Unit.cpp

/**
 * MaNGOS is a full featured server for World of Warcraft, supporting
 * the following clients: 1.12.x, 2.4.3, 3.3.5a, 4.3.4a and 5.4.8
 *
 * Copyright (C) 2005-2021 MaNGOS <https://getmangos.eu>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * World of Warcraft, and all World of Warcraft or Warcraft art, images,
 * and lore are copyrighted by Blizzard Entertainment, Inc.
 */

#include "Unit.h"
#include "Log.h"
#include "Opcodes.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "World.h"
#include "ObjectMgr.h"
#include "ObjectGuid.h"
#include "SpellMgr.h"
#include "QuestDef.h"
#include "Player.h"
#include "Creature.h"
#include "Spell.h"
#include "Group.h"
#include "SpellAuras.h"
#include "MapManager.h"
#include "ObjectAccessor.h"
#include "CreatureAI.h"
#include "TemporarySummon.h"
#include "Formulas.h"
#include "Pet.h"
#include "Util.h"
#include "Totem.h"
#include "Vehicle.h"
#include "BattleGround/BattleGround.h"
#include "InstanceData.h"
#include "OutdoorPvP/OutdoorPvP.h"
#include "MapPersistentStateMgr.h"
#include "GridNotifiersImpl.h"
#include "CellImpl.h"
#include "VMapFactory.h"
#include "MovementGenerator.h"
#include "movement/MoveSplineInit.h"
#include "movement/MoveSpline.h"
#include "CreatureLinkingMgr.h"
#include "movement/MovementStructures.h"
#include "GameTime.h"
#ifdef ENABLE_ELUNA
#include "LuaEngine.h"
#include "ElunaEventMgr.h"
#endif /* ENABLE_ELUNA */

#include <math.h>
#include <stdarg.h>

float baseMoveSpeed[MAX_MOVE_TYPE] =
{
    2.5f,                                                   // MOVE_WALK
    7.0f,                                                   // MOVE_RUN
    4.5f,                                                   // MOVE_RUN_BACK
    4.722222f,                                              // MOVE_SWIM
    2.5f,                                                   // MOVE_SWIM_BACK
    3.141594f,                                              // MOVE_TURN_RATE
    7.0f,                                                   // MOVE_FLIGHT
    4.5f,                                                   // MOVE_FLIGHT_BACK
    3.14f                                                   // MOVE_PITCH_RATE
};

////////////////////////////////////////////////////////////
// Methods of class MovementInfo

void MovementInfo::Read(ByteBuffer& data, uint16 opcode)
{
    bool hasTransportData = false,
        hasMovementFlags = false,
        hasMovementFlags2 = false;

    MovementStatusElements* sequence = GetMovementStatusElementsSequence(opcode);
    if(!sequence)
    {
        sLog.outError("Unsupported MovementInfo::Read for 0x%X (%s)!", opcode, LookupOpcodeName(opcode));
        return;
    }

    for(uint32 i = 0; i < MSE_COUNT; ++i)
    {
        MovementStatusElements element = sequence[i];
        if (element == MSEEnd)
        {
            break;
        }

        if (element >= MSEGuidBit0 && element <= MSEGuidBit7)
        {
            guid[element - MSEGuidBit0] = data.ReadBit();
            continue;
        }

        if (element >= MSEGuid2Bit0 && element <= MSEGuid2Bit7)
        {
            guid2[element - MSEGuid2Bit0] = data.ReadBit();
            continue;
        }

        if (element >= MSETransportGuidBit0 && element <= MSETransportGuidBit7)
        {
            if (hasTransportData)
            {
                t_guid[element - MSETransportGuidBit0] = data.ReadBit();
            }
            continue;
        }

        if (element >= MSEGuidByte0 && element <= MSEGuidByte7)
        {
            if (guid[element - MSEGuidByte0])
            {
                guid[element - MSEGuidByte0] ^= data.ReadUInt8();
            }
            continue;
        }

        if (element >= MSEGuid2Byte0 && element <= MSEGuid2Byte7)
        {
            if (guid2[element - MSEGuid2Byte0])
            {
                guid2[element - MSEGuid2Byte0] ^= data.ReadUInt8();
            }
            continue;
        }

        if (element >= MSETransportGuidByte0 && element <= MSETransportGuidByte7)
        {
            if (hasTransportData && t_guid[element - MSETransportGuidByte0])
            {
                t_guid[element - MSETransportGuidByte0] ^= data.ReadUInt8();
            }
            continue;
        }

        switch (element)
        {
            case MSEFlags:
                if (hasMovementFlags)
                {
                    moveFlags = data.ReadBits(30);
                }
                break;
            case MSEFlags2:
                if (hasMovementFlags2)
                {
                    moveFlags2 = data.ReadBits(12);
                }
                break;
            case MSEHasUnknownBit:
                data.ReadBit();
                break;
            case MSETimestamp:
                if (si.hasTimeStamp)
                {
                    data >> time;
                }
                break;
            case MSEHasTimestamp:
                si.hasTimeStamp = !data.ReadBit();
                break;
            case MSEHasOrientation:
                si.hasOrientation = !data.ReadBit();
                break;
            case MSEHasMovementFlags:
                hasMovementFlags = !data.ReadBit();
                break;
            case MSEHasMovementFlags2:
                hasMovementFlags2 = !data.ReadBit();
                break;
            case MSEHasPitch:
                si.hasPitch = !data.ReadBit();
                break;
            case MSEHasFallData:
                si.hasFallData = data.ReadBit();
                break;
            case MSEHasFallDirection:
                if (si.hasFallData)
                {
                    si.hasFallDirection = data.ReadBit();
                }
                break;
            case MSEHasTransportData:
                hasTransportData = data.ReadBit();
                break;
            case MSEHasTransportTime2:
                if (hasTransportData)
                {
                    si.hasTransportTime2 = data.ReadBit();
                }
                break;
            case MSEHasTransportTime3:
                if (hasTransportData)
                {
                    si.hasTransportTime3 = data.ReadBit();
                }
                break;
            case MSEHasSpline:
                si.hasSpline = data.ReadBit();
                break;
            case MSEHasSplineElevation:
                si.hasSplineElevation = !data.ReadBit();
                break;
            case MSEPositionX:
                data >> pos.x;
                break;
            case MSEPositionY:
                data >> pos.y;
                break;
            case MSEPositionZ:
                data >> pos.z;
                break;
            case MSEPositionO:
                if (si.hasOrientation)
                {
                    data >> pos.o;
                }
                break;
            case MSEPitch:
                if (si.hasPitch)
                {
                    data >> s_pitch;
                }
                break;;
            case MSEFallTime:
                if (si.hasFallData)
                {
                    data >> fallTime;
                }
                break;
            case MSESplineElevation:
                if (si.hasSplineElevation)
                {
                    data >> splineElevation;
                }
                break;
            case MSEFallHorizontalSpeed:
                if (si.hasFallData && si.hasFallDirection)
                {
                    data >> jump.xyspeed;
                }
                break;
            case MSEFallVerticalSpeed:
                if (si.hasFallData)
                {
                    data >> jump.velocity;
                }
                break;
            case MSEFallCosAngle:
                if (si.hasFallData && si.hasFallDirection)
                {
                    data >> jump.cosAngle;
                }
                break;
            case MSEFallSinAngle:
                if (si.hasFallData && si.hasFallDirection)
                {
                    data >> jump.sinAngle;
                }
                break;
            case MSETransportSeat:
                if (hasTransportData)
                {
                    data >> t_seat;
                }
                break;
            case MSETransportPositionO:
                if (hasTransportData)
                {
                    data >> t_pos.o;
                }
                break;
            case MSETransportPositionX:
                if (hasTransportData)
                {
                    data >> t_pos.x;
                }
                break;
            case MSETransportPositionY:
                if (hasTransportData)
                {
                    data >> t_pos.y;
                }
                break;
            case MSETransportPositionZ:
                if (hasTransportData)
                {
                    data >> t_pos.z;
                }
                break;
            case MSETransportTime:
                if (hasTransportData)
                {
                    data >> t_time;
                }
                break;
            case MSETransportTime2:
                if (hasTransportData && si.hasTransportTime2)
                {
                    data >> t_time2;
                }
                break;
            case MSETransportTime3:
                if (hasTransportData && si.hasTransportTime3)
                {
                    data >> fallTime;
                }
                break;
            case MSEMovementCounter:
                data.read_skip<uint32>();
                break;
            case MSEByteParam:
                 data >> byteParam;
                 break;
            default:
                MANGOS_ASSERT(false && "Wrong movement status element");
                break;
        }
    }
}

void MovementInfo::Write(ByteBuffer& data, uint16 opcode) const
{
    bool hasTransportData = !t_guid.IsEmpty();

    MovementStatusElements* sequence = GetMovementStatusElementsSequence(opcode);
    if (!sequence)
    {
        sLog.outError("Unsupported MovementInfo::Write for 0x%X (%s)!", opcode, LookupOpcodeName(opcode));
        return;
    }

    for(uint32 i = 0; i < MSE_COUNT; ++i)
    {
        MovementStatusElements element = sequence[i];

        if (element == MSEEnd)
        {
            break;
        }

        if (element >= MSEGuidBit0 && element <= MSEGuidBit7)
        {
            data.WriteBit(guid[element - MSEGuidBit0]);
            continue;
        }

        if (element >= MSETransportGuidBit0 && element <= MSETransportGuidBit7)
        {
            if (hasTransportData)
            {
                data.WriteBit(t_guid[element - MSETransportGuidBit0]);
            }
            continue;
        }

        if (element >= MSEGuidByte0 && element <= MSEGuidByte7)
        {
            if (guid[element - MSEGuidByte0])
            {
                data << uint8((guid[element - MSEGuidByte0] ^ 1));
            }
            continue;
        }

        if (element >= MSETransportGuidByte0 && element <= MSETransportGuidByte7)
        {
            if (hasTransportData && t_guid[element - MSETransportGuidByte0])
            {
                data << uint8((t_guid[element - MSETransportGuidByte0] ^ 1));
            }
            continue;
        }

        switch (element)
        {
            case MSEHasMovementFlags:
                data.WriteBit(!moveFlags);
                break;
            case MSEHasMovementFlags2:
                data.WriteBit(!moveFlags2);
                break;
            case MSEFlags:
                if (moveFlags)
                {
                    data.WriteBits(moveFlags, 30);
                }
                break;
            case MSEFlags2:
                if (moveFlags2)
                {
                    data.WriteBits(moveFlags2, 12);
                }
                break;
            case MSETimestamp:
                if (si.hasTimeStamp)
                {
                    data << uint32(time);
                }
                break;
            case MSEHasPitch:
                data.WriteBit(!si.hasPitch);
                break;
            case MSEHasTimestamp:
                data.WriteBit(!si.hasTimeStamp);
                break;
            case MSEHasUnknownBit:
                data.WriteBit(false);
                break;
            case MSEHasFallData:
                data.WriteBit(si.hasFallData);
                break;
            case MSEHasFallDirection:
                if (si.hasFallData)
                {
                    data.WriteBit(si.hasFallDirection);
                }
                break;
            case MSEHasTransportData:
                data.WriteBit(hasTransportData);
                break;
            case MSEHasTransportTime2:
                if (hasTransportData)
                {
                    data.WriteBit(si.hasTransportTime2);
                }
                break;
            case MSEHasTransportTime3:
                if (hasTransportData)
                {
                    data.WriteBit(si.hasTransportTime3);
                }
                break;
            case MSEHasSpline:
                data.WriteBit(si.hasSpline);
                break;
            case MSEHasSplineElevation:
                data.WriteBit(!si.hasSplineElevation);
                break;
            case MSEPositionX:
                data << float(pos.x);
                break;
            case MSEPositionY:
                data << float(pos.y);
                break;
            case MSEPositionZ:
                data << float(pos.z);
                break;
            case MSEPositionO:
                if (si.hasOrientation)
                {
                    data << float(NormalizeOrientation(pos.o));
                }
                break;
            case MSEPitch:
                if (si.hasPitch)
                {
                    data << float(s_pitch);
                }
                break;
            case MSEHasOrientation:
                data.WriteBit(!si.hasOrientation);
                break;
            case MSEFallTime:
                if (si.hasFallData)
                {
                    data << uint32(fallTime);
                }
                break;
            case MSESplineElevation:
                if (si.hasSplineElevation)
                {
                    data << float(splineElevation);
                }
                break;
            case MSEFallHorizontalSpeed:
                if (si.hasFallData && si.hasFallDirection)
                {
                    data << float(jump.xyspeed);
                }
                break;
            case MSEFallVerticalSpeed:
                if (si.hasFallData)
                {
                    data << float(jump.velocity);
                }
                break;
            case MSEFallCosAngle:
                if (si.hasFallData && si.hasFallDirection)
                {
                    data << float(jump.cosAngle);
                }
                break;
            case MSEFallSinAngle:
                if (si.hasFallData && si.hasFallDirection)
                {
                    data << float(jump.sinAngle);
                }
                break;
            case MSETransportSeat:
                if (hasTransportData)
                {
                    data << int8(t_seat);
                }
                break;
            case MSETransportPositionO:
                if (hasTransportData)
                {
                    data << float(NormalizeOrientation(t_pos.o));
                }
                break;
            case MSETransportPositionX:
                if (hasTransportData)
                {
                    data << float(t_pos.x);
                }
                break;
            case MSETransportPositionY:
                if (hasTransportData)
                {
                    data << float(t_pos.y);
                }
                break;
            case MSETransportPositionZ:
                if (hasTransportData)
                {
                    data << float(t_pos.z);
                }
                break;
            case MSETransportTime:
                if (hasTransportData)
                {
                    data << uint32(t_time);
                }
                break;
            case MSETransportTime2:
                if (hasTransportData && si.hasTransportTime2)
                {
                    data << uint32(t_time2);
                }
                break;
            case MSETransportTime3:
                if (hasTransportData && si.hasTransportTime3)
                {
                    data << uint32(fallTime);
                }
                break;
            case MSEMovementCounter:
                data << uint32(0);
                break;
            default:
                MANGOS_ASSERT(false && "Wrong movement status element");
                break;
        }
    }
}

////////////////////////////////////////////////////////////
// Methods of class GlobalCooldownMgr

bool GlobalCooldownMgr::HasGlobalCooldown(SpellEntry const* spellInfo) const
{
    GlobalCooldownList::const_iterator itr = m_GlobalCooldowns.find(spellInfo->GetStartRecoveryCategory());
    return itr != m_GlobalCooldowns.end() && itr->second.duration && getMSTimeDiff(itr->second.cast_time, GameTime::GetGameTimeMS()) < itr->second.duration;
}

void GlobalCooldownMgr::AddGlobalCooldown(SpellEntry const* spellInfo, uint32 gcd)
{
    m_GlobalCooldowns[spellInfo->GetStartRecoveryCategory()] = GlobalCooldown(gcd, GameTime::GetGameTimeMS());
}

void GlobalCooldownMgr::CancelGlobalCooldown(SpellEntry const* spellInfo)
{
    m_GlobalCooldowns[spellInfo->GetStartRecoveryCategory()].duration = 0;
}

////////////////////////////////////////////////////////////
// Methods of class Unit

Unit::Unit() :
    movespline(new Movement::MoveSpline()),
    m_charmInfo(NULL),
    i_motionMaster(this),
    m_regenTimer(0),
    m_vehicleInfo(NULL),
    m_ThreatManager(this),
    m_HostileRefManager(this)
{
    m_objectType |= TYPEMASK_UNIT;
    m_objectTypeId = TYPEID_UNIT;

    m_updateFlag = UPDATEFLAG_LIVING;

    m_attackTimer[BASE_ATTACK]   = 0;
    m_attackTimer[OFF_ATTACK]    = 0;
    m_attackTimer[RANGED_ATTACK] = 0;
    m_modAttackSpeedPct[BASE_ATTACK] = 1.0f;
    m_modAttackSpeedPct[OFF_ATTACK] = 1.0f;
    m_modAttackSpeedPct[RANGED_ATTACK] = 1.0f;

    m_extraAttacks = 0;

    m_state = 0;
    m_deathState = ALIVE;

    for (uint32 i = 0; i < CURRENT_MAX_SPELL; ++i)
    {
        m_currentSpells[i] = NULL;
    }

    m_castCounter = 0;

    // m_Aura = NULL;
    // m_AurasCheck = 2000;
    // m_removeAuraTimer = 4;
    m_spellAuraHoldersUpdateIterator = m_spellAuraHolders.end();
    m_AuraFlags = 0;

    m_Visibility = VISIBILITY_ON;
    m_AINotifyScheduled = false;

    m_detectInvisibilityMask = 0;
    m_invisibilityMask = 0;
    m_transform = 0;
    m_canModifyStats = false;

    for (int i = 0; i < MAX_SPELL_IMMUNITY; ++i)
    {
        m_spellImmune[i].clear();
    }
    for (int i = 0; i < UNIT_MOD_END; ++i)
    {
        m_auraModifiersGroup[i][BASE_VALUE] = 0.0f;
        m_auraModifiersGroup[i][BASE_PCT] = 1.0f;
        m_auraModifiersGroup[i][TOTAL_VALUE] = 0.0f;
        m_auraModifiersGroup[i][TOTAL_PCT] = 1.0f;
    }

    // implement 50% base damage from offhand
    m_auraModifiersGroup[UNIT_MOD_DAMAGE_OFFHAND][TOTAL_PCT] = 0.5f;

    for (int i = 0; i < MAX_ATTACK; ++i)
    {
        m_weaponDamage[i][MINDAMAGE] = BASE_MINDAMAGE;
        m_weaponDamage[i][MAXDAMAGE] = BASE_MAXDAMAGE;
    }
    for (int i = 0; i < MAX_STATS; ++i)
    {
        m_createStats[i] = 0.0f;
    }

    m_attacking = NULL;
    m_modMeleeHitChance = 0.0f;
    m_modRangedHitChance = 0.0f;
    m_modSpellHitChance = 0.0f;
    m_baseSpellCritChance = 5;

    m_CombatTimer = 0;

    // m_victimThreat = 0.0f;
    for (int i = 0; i < MAX_SPELL_SCHOOL; ++i)
    {
        m_threatModifier[i] = 1.0f;
    }
    m_isSorted = true;
    for (int i = 0; i < MAX_MOVE_TYPE; ++i)
    {
        m_speed_rate[i] = 1.0f;
    }

    // remove aurastates allowing special moves
    for (int i = 0; i < MAX_REACTIVE; ++i)
    {
        m_reactiveTimer[i] = 0;
    }

    m_isCreatureLinkingTrigger = false;
    m_isSpawningLinked = false;
}

Unit::~Unit()
{
    // set current spells as deletable
    for (uint32 i = 0; i < CURRENT_MAX_SPELL; ++i)
    {
        if (m_currentSpells[i])
        {
            m_currentSpells[i]->SetReferencedFromCurrent(false);
            m_currentSpells[i] = NULL;
        }
    }

    delete m_charmInfo;
    delete m_vehicleInfo;
    delete movespline;

    // those should be already removed at "RemoveFromWorld()" call
    MANGOS_ASSERT(m_gameObj.size() == 0);
    MANGOS_ASSERT(m_dynObjGUIDs.size() == 0);
    MANGOS_ASSERT(m_deletedAuras.size() == 0);
    MANGOS_ASSERT(m_deletedHolders.size() == 0);
}

void Unit::Update(uint32 update_diff, uint32 p_time)
{
    if (!IsInWorld())
    {
        return;
    }

    /*if(p_time > m_AurasCheck)
    {
    m_AurasCheck = 2000;
    _UpdateAura();
    }else
    m_AurasCheck -= p_time;*/

#ifdef ENABLE_ELUNA
    elunaEvents->Update(update_diff);
#endif /* ENABLE_ELUNA */

    // WARNING! Order of execution here is important, do not change.
    // Spells must be processed with event system BEFORE they go to _UpdateSpells.
    // Or else we may have some SPELL_STATE_FINISHED spells stalled in pointers, that is bad.
    m_Events.Update(update_diff);
    _UpdateSpells(update_diff);

    CleanupDeletedAuras();


    if (CanHaveThreatList())
    {
        GetThreatManager().UpdateForClient(update_diff);
    }

    // update combat timer only for players and pets
    if (IsInCombat() && GetCharmerOrOwnerPlayerOrPlayerItself())
    {
        // Check UNIT_STAT_MELEE_ATTACKING or UNIT_STAT_CHASE (without UNIT_STAT_FOLLOW in this case) so pets can reach far away
        // targets without stopping half way there and running off.
        // These flags are reset after target dies or another command is given.
        if (m_HostileRefManager.isEmpty())
        {
            // m_CombatTimer set at aura start and it will be freeze until aura removing
            if (m_CombatTimer <= update_diff)
            {
                CombatStop();
            }
            else
            {
                m_CombatTimer -= update_diff;
            }
        }
    }

    if (uint32 base_att = getAttackTimer(BASE_ATTACK))
    {
        setAttackTimer(BASE_ATTACK, (update_diff >= base_att ? 0 : base_att - update_diff));
    }

    if (uint32 base_att = getAttackTimer(OFF_ATTACK))
    {
        setAttackTimer(OFF_ATTACK, (update_diff >= base_att ? 0 : base_att - update_diff));
    }

    if (IsVehicle())
    {
        // Initialize vehicle if not done
        if (IsAlive() && !m_vehicleInfo->IsInitialized())
        {
            m_vehicleInfo->Initialize();
        }

        // Update passenger positions if we are the first vehicle
        if (!IsBoarded())
        {
            m_vehicleInfo->Update(update_diff);
        }
    }

    // update abilities available only for fraction of time
    UpdateReactives(update_diff);

    if (IsAlive())
    {
        ModifyAuraState(AURA_STATE_HEALTHLESS_20_PERCENT, GetHealth() < GetMaxHealth() * 0.20f);
        ModifyAuraState(AURA_STATE_HEALTHLESS_35_PERCENT, GetHealth() < GetMaxHealth() * 0.35f);
        ModifyAuraState(AURA_STATE_HEALTH_ABOVE_75_PERCENT, GetHealth() > GetMaxHealth() * 0.75f);
    }

    UpdateSplineMovement(p_time);
    i_motionMaster.UpdateMotion(p_time);
}

bool Unit::UpdateMeleeAttackingState()
{
    Unit* victim = getVictim();
    if (!victim || IsNonMeleeSpellCasted(false))
    {
        return false;
    }

    if (!isAttackReady(BASE_ATTACK) && !(isAttackReady(OFF_ATTACK) && haveOffhandWeapon()))
    {
        return false;
    }

    uint8 swingError = 0;
    if (!CanReachWithMeleeAttack(victim))
    {
        setAttackTimer(BASE_ATTACK, 100);
        setAttackTimer(OFF_ATTACK, 100);
        swingError = 1;
    }
    // 120 degrees of radiant range
    else if (!HasInArc(2 * M_PI_F / 3, victim))
    {
        setAttackTimer(BASE_ATTACK, 100);
        setAttackTimer(OFF_ATTACK, 100);
        swingError = 2;
    }
    else
    {
        if (isAttackReady(BASE_ATTACK))
        {
            // prevent base and off attack in same time, delay attack at 0.2 sec
            if (haveOffhandWeapon())
            {
                if (getAttackTimer(OFF_ATTACK) < ATTACK_DISPLAY_DELAY)
                {
                    setAttackTimer(OFF_ATTACK, ATTACK_DISPLAY_DELAY);
                }
            }
            AttackerStateUpdate(victim, BASE_ATTACK);
            resetAttackTimer(BASE_ATTACK);
        }
        if (haveOffhandWeapon() && isAttackReady(OFF_ATTACK))
        {
            // prevent base and off attack in same time, delay attack at 0.2 sec
            uint32 base_att = getAttackTimer(BASE_ATTACK);
            if (base_att < ATTACK_DISPLAY_DELAY)
            {
                setAttackTimer(BASE_ATTACK, ATTACK_DISPLAY_DELAY);
            }
            // do attack
            AttackerStateUpdate(victim, OFF_ATTACK);
            resetAttackTimer(OFF_ATTACK);
        }
    }

    Player* player = (GetTypeId() == TYPEID_PLAYER ? (Player*)this : NULL);
    if (player && swingError != player->LastSwingErrorMsg())
    {
        if (swingError == 1)
        {
            player->SendAttackSwingNotInRange();
        }
        else if (swingError == 2)
        {
            player->SendAttackSwingBadFacingAttack();
        }
        player->SwingErrorMsg(swingError);
    }

    return swingError;
}

bool Unit::haveOffhandWeapon() const
{
    if (!CanUseEquippedWeapon(OFF_ATTACK))
    {
        return false;
    }

    if (GetTypeId() == TYPEID_PLAYER)
    {
        return ((Player*)this)->GetWeaponForAttack(OFF_ATTACK, true, true);
    }
    else
    {
        uint32 ItemId = GetUInt32Value(UNIT_VIRTUAL_ITEM_SLOT_ID + 1);
        /*ItemEntry const* itemInfo = sItemStore.LookupEntry(ItemId);

        if (itemInfo && itemInfo->Class == ITEM_CLASS_WEAPON)
        {
            return true;
        }*/

        return false;
    }
}

void Unit::SendHeartBeat()
{
    m_movementInfo.UpdateTime(GameTime::GetGameTimeMS());
    WorldPacket data(MSG_MOVE_HEARTBEAT, 64);
    data << GetPackGUID();
    data << m_movementInfo;
    SendMessageToSet(&data, true);
}

void Unit::resetAttackTimer(WeaponAttackType type)
{
    m_attackTimer[type] = uint32(GetAttackTime(type) * m_modAttackSpeedPct[type]);
}

float Unit::GetCombatReach(Unit const* pVictim, bool forMeleeRange /*=true*/, float flat_mod /*=0.0f*/) const
{
    // The measured values show BASE_MELEE_OFFSET in (1.3224, 1.342)
    float reach = GetFloatValue(UNIT_FIELD_COMBATREACH) + pVictim->GetFloatValue(UNIT_FIELD_COMBATREACH) +
                  BASE_MELEERANGE_OFFSET + flat_mod;

    if (forMeleeRange && reach < ATTACK_DISTANCE)
    {
        reach = ATTACK_DISTANCE;
    }

    return reach;
}

float Unit::GetCombatDistance(Unit const* target, bool forMeleeRange) const
{
    float radius = GetCombatReach(target, forMeleeRange);

    float dx = GetPositionX() - target->GetPositionX();
    float dy = GetPositionY() - target->GetPositionY();
    float dz = GetPositionZ() - target->GetPositionZ();
    float dist = sqrt((dx * dx) + (dy * dy) + (dz * dz)) - radius;

    return (dist > 0.0f ? dist : 0.0f);
}

bool Unit::CanReachWithMeleeAttack(Unit const* pVictim, float flat_mod /*= 0.0f*/) const
{
    MANGOS_ASSERT(pVictim);

    float reach = GetCombatReach(pVictim, true, flat_mod);

    // This check is not related to bounding radius
    float dx = GetPositionX() - pVictim->GetPositionX();
    float dy = GetPositionY() - pVictim->GetPositionY();
    float dz = GetPositionZ() - pVictim->GetPositionZ();

    return dx * dx + dy * dy + dz * dz < reach * reach;
}

void Unit::RemoveSpellsCausingAura(AuraType auraType)
{
    for (AuraList::const_iterator iter = m_modAuras[auraType].begin(); iter != m_modAuras[auraType].end();)
    {
        RemoveAurasDueToSpell((*iter)->GetId());
        iter = m_modAuras[auraType].begin();
    }
}

void Unit::RemoveSpellsCausingAura(AuraType auraType, SpellAuraHolder* except)
{
    for (AuraList::const_iterator iter = m_modAuras[auraType].begin(); iter != m_modAuras[auraType].end();)
    {
        // skip `except` aura
        if ((*iter)->GetHolder() == except)
        {
            ++iter;
            continue;
        }

        RemoveAurasDueToSpell((*iter)->GetId(), except);
        iter = m_modAuras[auraType].begin();
    }
}

void Unit::RemoveSpellsCausingAura(AuraType auraType, ObjectGuid casterGuid)
{
    for (AuraList::const_iterator iter = m_modAuras[auraType].begin(); iter != m_modAuras[auraType].end();)
    {
        if ((*iter)->GetCasterGuid() == casterGuid)
        {
            RemoveSpellAuraHolder((*iter)->GetHolder());
            iter = m_modAuras[auraType].begin();
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::DealDamageMods(Unit* pVictim, uint32& damage, uint32* absorb)
{
    if (!pVictim->IsAlive() || pVictim->IsTaxiFlying() || (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->IsInEvadeMode()))
    {
        if (absorb)
        {
            *absorb += damage;
        }
        damage = 0;
        return;
    }

    // You don't lose health from damage taken from another player while in a sanctuary
    // You still see it in the combat log though
    if (!IsAllowedDamageInArea(pVictim))
    {
        if (absorb)
        {
            *absorb += damage;
        }
        damage = 0;
    }

    uint32 originalDamage = damage;

    // Script Event damage Deal
    if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->AI())
    {
        ((Creature*)this)->AI()->DamageDeal(pVictim, damage);
    }
    // Script Event damage taken
    if (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->AI())
    {
        ((Creature*)pVictim)->AI()->DamageTaken(this, damage);
    }

    if (absorb && originalDamage > damage)
    {
        *absorb += (originalDamage - damage);
    }
}

uint32 Unit::DealDamage(Unit* pVictim, uint32 damage, CleanDamage const* cleanDamage, DamageEffectType damagetype, SpellSchoolMask damageSchoolMask, SpellEntry const* spellProto, bool durabilityLoss)
{
    // remove affects from attacker at any non-DoT damage (including 0 damage)
    if (damagetype != DOT)
    {
        if (damagetype != SELF_DAMAGE_ROGUE_FALL)
        {
            RemoveSpellsCausingAura(SPELL_AURA_MOD_STEALTH);
        }
        RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if (pVictim->GetTypeId() == TYPEID_PLAYER && !pVictim->IsStandState() && !pVictim->hasUnitState(UNIT_STAT_STUNNED))
        {
            pVictim->SetStandState(UNIT_STAND_STATE_STAND);
        }
    }

    if (!damage)
    {
        // Rage from physical damage received .
        if (cleanDamage && cleanDamage->damage && (damageSchoolMask & SPELL_SCHOOL_MASK_NORMAL) && pVictim->GetTypeId() == TYPEID_PLAYER && (pVictim->GetPowerType() == POWER_RAGE))
        {
            ((Player*)pVictim)->RewardRage(cleanDamage->damage, 0, false);
        }

        return 0;
    }

    DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "DealDamageStart");

    uint32 health = pVictim->GetHealth();
    DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "deal dmg:%d to health:%d ", damage, health);

    // Rage from Damage made (only from direct weapon damage)
    if (cleanDamage && damagetype == DIRECT_DAMAGE && this != pVictim && GetTypeId() == TYPEID_PLAYER && (GetPowerType() == POWER_RAGE))
    {
        uint32 weaponSpeedHitFactor;

        switch (cleanDamage->attackType)
        {
            case BASE_ATTACK:
            {
                if (cleanDamage->hitOutCome == MELEE_HIT_CRIT)
                {
                    weaponSpeedHitFactor = uint32(GetAttackTime(cleanDamage->attackType) / 1000.0f * 7);
                }
                else
                {
                    weaponSpeedHitFactor = uint32(GetAttackTime(cleanDamage->attackType) / 1000.0f * 3.5f);
                }

                ((Player*)this)->RewardRage(damage, weaponSpeedHitFactor, true);

                break;
            }
            case OFF_ATTACK:
            {
                if (cleanDamage->hitOutCome == MELEE_HIT_CRIT)
                {
                    weaponSpeedHitFactor = uint32(GetAttackTime(cleanDamage->attackType) / 1000.0f * 3.5f);
                }
                else
                {
                    weaponSpeedHitFactor = uint32(GetAttackTime(cleanDamage->attackType) / 1000.0f * 1.75f);
                }

                ((Player*)this)->RewardRage(damage, weaponSpeedHitFactor, true);

                break;
            }
            case RANGED_ATTACK:
                break;
        }
    }

    // no xp,health if type 8 /critters/
    if (pVictim->GetTypeId() == TYPEID_UNIT && pVictim->GetCreatureType() == CREATURE_TYPE_CRITTER)
    {
        // TODO: fix this part
        // Critter may not die of damage taken, instead expect it to run away (no fighting back)
        // If (this) is TYPEID_PLAYER, (this) will enter combat w/victim, but after some time, automatically leave combat.
        // It is unclear how it should work for other cases.
        DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "DealDamage critter, critter dies");

        ((Creature*)pVictim)->SetLootRecipient(this);

        JustKilledCreature((Creature*)pVictim, NULL);
        pVictim->SetHealth(0);

        return damage;
    }

    // share damage by auras
    AuraList const& vShareDamageAuras = pVictim->GetAurasByType(SPELL_AURA_SHARE_DAMAGE_PCT);
    for (AuraList::const_iterator itr = vShareDamageAuras.begin(); itr != vShareDamageAuras.end(); ++itr)
    {
        if (!spellProto)
        {
            break;
        }

        SpellEffectEntry const* spellEffect = spellProto->GetSpellEffect(EFFECT_INDEX_0);

        // if damage is done by another shared aura, then skip to avoid circular reference (aura 300 is only applied on effect_idx_0
        if (spellEffect && spellEffect->Effect == SPELL_EFFECT_APPLY_AURA &&
            spellEffect->EffectApplyAuraName == SPELL_AURA_SHARE_DAMAGE_PCT)
            break;

        if (Unit* shareTarget = (*itr)->GetCaster())
        {
            if (shareTarget != pVictim && ((*itr)->GetMiscValue() & damageSchoolMask))
            {
                SpellEntry const* shareSpell = (*itr)->GetSpellProto();
                uint32 shareDamage = uint32(damage*(*itr)->GetModifier()->m_amount / 100.0f);
                DealDamageMods(shareTarget, shareDamage, NULL);
                DealDamage(shareTarget, shareDamage, NULL, damagetype, GetSpellSchoolMask(shareSpell), shareSpell, false);
            }
        }
    }

    // duel ends when player has 1 or less hp
    bool duel_hasEnded = false;
    if (pVictim->GetTypeId() == TYPEID_PLAYER && ((Player*)pVictim)->duel && damage >= (health - 1))
    {
        // prevent kill only if killed in duel and killed by opponent or opponent controlled creature
        if (((Player*)pVictim)->duel->opponent == this || ((Player*)pVictim)->duel->opponent->GetObjectGuid() == GetOwnerGuid())
        {
            damage = health - 1;
        }

        duel_hasEnded = true;
    }

    // Get in CombatState
    if (pVictim != this && damagetype != DOT)
    {
        SetInCombatWith(pVictim);
        pVictim->SetInCombatWith(this);

        if (Player* attackedPlayer = pVictim->GetCharmerOrOwnerPlayerOrPlayerItself())
        {
            SetContestedPvP(attackedPlayer);
        }
    }

    if (GetTypeId() == TYPEID_PLAYER && this != pVictim)
    {
        Player* killer = ((Player*)this);

        // in bg, count dmg if victim is also a player
        if (pVictim->GetTypeId() == TYPEID_PLAYER)
        {
            if (BattleGround* bg = killer->GetBattleGround())
            {
                // FIXME: kept by compatibility. don't know in BG if the restriction apply.
                bg->UpdatePlayerScore(killer, SCORE_DAMAGE_DONE, damage);
            }
        }

        killer->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_DAMAGE_DONE, damage, 0, pVictim);
        killer->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_HIGHEST_HIT_DEALT, damage);
    }

    if (pVictim->GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)pVictim)->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_HIGHEST_HIT_RECEIVED, damage);
    }

    if (pVictim->GetTypeId() == TYPEID_UNIT && !((Creature*)pVictim)->IsPet() && !((Creature*)pVictim)->HasLootRecipient())
    {
        ((Creature*)pVictim)->SetLootRecipient(this);
    }

    if (health <= damage)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "DealDamage %s Killed %s", GetGuidStr().c_str(), pVictim->GetGuidStr().c_str());

        /*
         *                      Preparation: Who gets credit for killing whom, invoke SpiritOfRedemtion?
         */
        // for loot will be used only if group_tap == NULL
        Player* player_tap = GetCharmerOrOwnerPlayerOrPlayerItself();
        Group* group_tap = NULL;

        // in creature kill case group/player tap stored for creature
        if (pVictim->GetTypeId() == TYPEID_UNIT)
        {
            group_tap = ((Creature*)pVictim)->GetGroupLootRecipient();

            if (Player* recipient = ((Creature*)pVictim)->GetOriginalLootRecipient())
            {
                player_tap = recipient;
            }
        }
        // in player kill case group tap selected by player_tap (killer-player itself, or charmer, or owner, etc)
        else
        {
            if (player_tap)
            {
                group_tap = player_tap->GetGroup();
            }
        }

        // Spirit of Redemtion Talent
        bool damageFromSpiritOfRedemtionTalent = spellProto && spellProto->Id == 27795;
        // if talent known but not triggered (check priest class for speedup check)
        Aura* spiritOfRedemtionTalentReady = NULL;
        if (!damageFromSpiritOfRedemtionTalent &&           // not called from SPELL_AURA_SPIRIT_OF_REDEMPTION
            pVictim->GetTypeId() == TYPEID_PLAYER && pVictim->getClass() == CLASS_PRIEST)
        {
            AuraList const& vDummyAuras = pVictim->GetAurasByType(SPELL_AURA_DUMMY);
            for (AuraList::const_iterator itr = vDummyAuras.begin(); itr != vDummyAuras.end(); ++itr)
            {
                if ((*itr)->GetSpellProto()->SpellIconID == 1654)
                {
                    spiritOfRedemtionTalentReady = *itr;
                    break;
                }
            }
        }

        /*
         *                      Generic Actions (ProcEvents, Combat-Log, Kill Rewards, Stop Combat)
         */
        // call kill spell proc event (before real die and combat stop to triggering auras removed at death/combat stop)
        if (player_tap && player_tap != pVictim)
        {
            player_tap->ProcDamageAndSpell(pVictim, PROC_FLAG_KILL, PROC_FLAG_KILLED, PROC_EX_NONE, 0);

            WorldPacket data(SMSG_PARTYKILLLOG, (8 + 8));   // send event PARTY_KILL
            data << player_tap->GetObjectGuid();            // player with killing blow
            data << pVictim->GetObjectGuid();               // victim

            if (group_tap)
            {
                group_tap->BroadcastPacket(&data, false, group_tap->GetMemberGroup(player_tap->GetObjectGuid()), player_tap->GetObjectGuid());
            }

            player_tap->SendDirectMessage(&data);
        }
        else if (GetTypeId() == TYPEID_UNIT && this != pVictim)
        {
            ProcDamageAndSpell(pVictim, PROC_FLAG_KILL, PROC_FLAG_KILLED, PROC_EX_NONE, 0);
        }

        // Reward player, his pets, and group/raid members
        if (player_tap != pVictim)
        {
            if (group_tap)
            {
                group_tap->RewardGroupAtKill(pVictim, player_tap);
            }
            else if (player_tap)
            {
                player_tap->RewardSinglePlayerAtKill(pVictim);
            }
        }

        // stop combat
        DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "DealDamageAttackStop");
        pVictim->CombatStop();
        pVictim->GetHostileRefManager().deleteReferences();

        /*
         *                      Actions for the killer
         */
        if (spiritOfRedemtionTalentReady)
        {
            DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "DealDamage: Spirit of Redemtion ready");

            // save value before aura remove
            uint32 ressSpellId = pVictim->GetUInt32Value(PLAYER_SELF_RES_SPELL);
            if (!ressSpellId)
            {
                ressSpellId = ((Player*)pVictim)->GetResurrectionSpellId();
            }

            // Remove all expected to remove at death auras (most important negative case like DoT or periodic triggers)
            pVictim->RemoveAllAurasOnDeath();

            // restore for use at real death
            pVictim->SetUInt32Value(PLAYER_SELF_RES_SPELL, ressSpellId);

            // FORM_SPIRITOFREDEMPTION and related auras
            pVictim->CastSpell(pVictim, 27827, true, NULL, spiritOfRedemtionTalentReady);
        }
        else
        {
            pVictim->SetHealth(0);
        }

        // Call KilledUnit for creatures
        if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->AI())
        {
            ((Creature*)this)->AI()->KilledUnit(pVictim);
        }

        if (Creature* killer = ToCreature())
        {
            // Used by Eluna
#ifdef ENABLE_ELUNA
            if (Player* killed = pVictim->ToPlayer())
            {
                sEluna->OnPlayerKilledByCreature(killer, killed);
            }
#endif /* ENABLE_ELUNA */
        }

        // Call AI OwnerKilledUnit (for any current summoned minipet/guardian/protector)
        PetOwnerKilledUnit(pVictim);

        /*
         *                      Actions for the victim
         */
        if (pVictim->GetTypeId() == TYPEID_PLAYER)          // Killed player
        {
            Player* playerVictim = (Player*)pVictim;

            // remember victim PvP death for corpse type and corpse reclaim delay
            // at original death (not at SpiritOfRedemtionTalent timeout)
            if (!damageFromSpiritOfRedemtionTalent)
            {
                playerVictim->SetPvPDeath(player_tap != NULL);
            }

            // achievement stuff
            playerVictim->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_TOTAL_DAMAGE_RECEIVED, health);
            if (player_tap)
            {
                player_tap->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_SPECIAL_PVP_KILL, 1, 0, pVictim);
            }
            if (GetTypeId() == TYPEID_UNIT)
            {
                playerVictim->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_KILLED_BY_CREATURE, GetEntry());
            }
            else if (GetTypeId() == TYPEID_PLAYER && pVictim != this)
            {
                playerVictim->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_KILLED_BY_PLAYER, 1, playerVictim->GetTeam());
            }

            // 10% durability loss on death
            // only if not player and not controlled by player pet. And not at BG
            if (durabilityLoss && !player_tap && !playerVictim->InBattleGround())
            {
                DEBUG_LOG("DealDamage: Killed %s, looing 10 percents durability", pVictim->GetGuidStr().c_str());
                playerVictim->DurabilityLossAll(0.10f, false);
                // durability lost message
                WorldPacket data(SMSG_DURABILITY_DAMAGE_DEATH, 0);
                playerVictim->GetSession()->SendPacket(&data);
            }

            if (!spiritOfRedemtionTalentReady)              // Before informing Battleground
            {
                DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "SET JUST_DIED");
                pVictim->SetDeathState(JUST_DIED);
            }

            // playerVictim was in duel, duel must be interrupted
            // last damage from non duel opponent or non opponent controlled creature
            if (duel_hasEnded)
            {
                playerVictim->duel->opponent->CombatStopWithPets(true);
                playerVictim->CombatStopWithPets(true);

                playerVictim->DuelComplete(DUEL_INTERRUPTED);
            }

            if (player_tap)                                 // PvP kill
            {
                if (BattleGround* bg = playerVictim->GetBattleGround())
                {
                    bg->HandleKillPlayer(playerVictim, player_tap);
                }
                else if (pVictim != this)
                {
                    // selfkills are not handled in outdoor pvp scripts
                    if (OutdoorPvP* outdoorPvP = sOutdoorPvPMgr.GetScript(playerVictim->GetCachedZoneId()))
                    {
                        outdoorPvP->HandlePlayerKill(player_tap, playerVictim);
                    }
                }

                // Used by Eluna
#ifdef ENABLE_ELUNA
                sEluna->OnPVPKill(player_tap, playerVictim);
#endif /* ENABLE_ELUNA */
            }
        }
        else                                                // Killed creature
        {
            JustKilledCreature((Creature*)pVictim, player_tap);
        }
    }
    else                                                    // if (health <= damage)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "DealDamageAlive");

        if (pVictim->GetTypeId() == TYPEID_PLAYER)
        {
            ((Player*)pVictim)->UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_TOTAL_DAMAGE_RECEIVED, damage);
        }

        pVictim->ModifyHealth(- (int32)damage);

        if (damagetype != DOT)
        {
            if (!getVictim())
            {
                // if not have main target then attack state with target (including AI call)
                // start melee attacks only after melee hit
                Attack(pVictim, (damagetype == DIRECT_DAMAGE));
            }

            // if damage pVictim call AI reaction
            pVictim->AttackedBy(this);
        }

        if (pVictim->GetTypeId() != TYPEID_PLAYER)
        {
            float threat = damage * sSpellMgr.GetSpellThreatMultiplier(spellProto);
            pVictim->AddThreat(this, threat, (cleanDamage && cleanDamage->hitOutCome == MELEE_HIT_CRIT), damageSchoolMask, spellProto);
        }
        else                                                // victim is a player
        {
            // Rage from damage received
            if (this != pVictim && pVictim->GetPowerType() == POWER_RAGE)
            {
                uint32 rage_damage = damage + (cleanDamage ? cleanDamage->damage : 0);
                ((Player*)pVictim)->RewardRage(rage_damage, 0, false);
            }

            // random durability for items (HIT TAKEN)
            if (roll_chance_f(sWorld.getConfig(CONFIG_FLOAT_RATE_DURABILITY_LOSS_DAMAGE)))
            {
                EquipmentSlots slot = EquipmentSlots(urand(0, EQUIPMENT_SLOT_END - 1));
                ((Player*)pVictim)->DurabilityPointLossForEquipSlot(slot);
            }
        }

        if (GetTypeId() == TYPEID_PLAYER)
        {
            // random durability for items (HIT DONE)
            if (roll_chance_f(sWorld.getConfig(CONFIG_FLOAT_RATE_DURABILITY_LOSS_DAMAGE)))
            {
                EquipmentSlots slot = EquipmentSlots(urand(0, EQUIPMENT_SLOT_END - 1));
                ((Player*)this)->DurabilityPointLossForEquipSlot(slot);
            }
        }

        if (damagetype != NODAMAGE && damage && pVictim->GetTypeId() == TYPEID_PLAYER)
        {
            if (damagetype != DOT)
            {
                for (uint32 i = CURRENT_FIRST_NON_MELEE_SPELL; i < CURRENT_MAX_SPELL; ++i)
                {
                    // skip channeled spell (processed differently below)
                    if (i == CURRENT_CHANNELED_SPELL)
                    {
                        continue;
                    }

                    if (Spell* spell = pVictim->GetCurrentSpell(CurrentSpellTypes(i)))
                    {
                        if (spell->getState() == SPELL_STATE_PREPARING)
                        {
                            if(spell->m_spellInfo->GetInterruptFlags() & SPELL_INTERRUPT_FLAG_ABORT_ON_DMG)
                            {
                                pVictim->InterruptSpell(CurrentSpellTypes(i));
                            }
                            else
                            {
                                spell->Delayed();
                            }
                        }
                    }
                }
            }

            if (Spell* spell = pVictim->m_currentSpells[CURRENT_CHANNELED_SPELL])
            {
                if (spell->getState() == SPELL_STATE_CASTING)
                {
                    uint32 channelInterruptFlags = spell->m_spellInfo->GetChannelInterruptFlags();
                    if (channelInterruptFlags & CHANNEL_FLAG_DELAY)
                    {
                        if (pVictim != this)                // don't shorten the duration of channeling if you damage yourself
                        {
                            spell->DelayedChannel();
                        }
                    }
                    else if ((channelInterruptFlags & (CHANNEL_FLAG_DAMAGE | CHANNEL_FLAG_DAMAGE2)))
                    {
                        DETAIL_LOG("Spell %u canceled at damage!", spell->m_spellInfo->Id);
                        pVictim->InterruptSpell(CURRENT_CHANNELED_SPELL);
                    }
                }
                else if (spell->getState() == SPELL_STATE_DELAYED)
                    // break channeled spell in delayed state on damage
                {
                    DETAIL_LOG("Spell %u canceled at damage!", spell->m_spellInfo->Id);
                    pVictim->InterruptSpell(CURRENT_CHANNELED_SPELL);
                }
            }
        }

        // last damage from duel opponent
        if (duel_hasEnded)
        {
            MANGOS_ASSERT(pVictim->GetTypeId() == TYPEID_PLAYER);
            Player* he = (Player*)pVictim;

            MANGOS_ASSERT(he->duel);

            he->SetHealth(1);

            he->duel->opponent->CombatStopWithPets(true);
            he->CombatStopWithPets(true);

            he->CastSpell(he, 7267, true);                  // beg
            he->DuelComplete(DUEL_WON);
        }
    }

    DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "DealDamageEnd returned %d damage", damage);

    return damage;
}

struct PetOwnerKilledUnitHelper
{
    explicit PetOwnerKilledUnitHelper(Unit* pVictim) : m_victim(pVictim) {}
    void operator()(Unit* pTarget) const
    {
        if (pTarget->GetTypeId() == TYPEID_UNIT)
        {
            if (((Creature*)pTarget)->AI())
            {
                ((Creature*)pTarget)->AI()->OwnerKilledUnit(m_victim);
            }
        }
    }

    Unit* m_victim;
};

void Unit::JustKilledCreature(Creature* victim, Player* responsiblePlayer)
{
    victim->m_deathState = DEAD;                            // so that IsAlive, IsDead return expected results in the called hooks of JustKilledCreature
                                                            // must be used only shortly before SetDeathState(JUST_DIED) and only for Creatures or Pets

    // some critters required for quests (need normal entry instead possible heroic in any cases)
    if (victim->GetCreatureType() == CREATURE_TYPE_CRITTER && GetTypeId() == TYPEID_PLAYER)
    {
        if (CreatureInfo const* normalInfo = ObjectMgr::GetCreatureTemplate(victim->GetEntry()))
        {
            ((Player*)this)->KilledMonster(normalInfo, victim->GetObjectGuid());
        }
    }

    // Interrupt channeling spell when a Possessed Summoned is killed
    SpellEntry const* spellInfo = sSpellStore.LookupEntry(victim->GetUInt32Value(UNIT_CREATED_BY_SPELL));
    if (spellInfo && spellInfo->HasAttribute(SPELL_ATTR_EX_FARSIGHT) && spellInfo->HasAttribute(SPELL_ATTR_EX_CHANNELED_1))
    {
        Unit* creator = GetMap()->GetUnit(victim->GetCreatorGuid());
        if (creator && creator->GetCharmGuid() == victim->GetObjectGuid())
        {
            Spell* channeledSpell = creator->GetCurrentSpell(CURRENT_CHANNELED_SPELL);
            if (channeledSpell && channeledSpell->m_spellInfo->Id == spellInfo->Id)
            {
                creator->InterruptNonMeleeSpells(false);
            }
        }
    }

    /* ******************************* Inform various hooks ************************************ */
    // Inform victim's AI
    if (victim->AI())
    {
        victim->AI()->JustDied(this);
    }

    // Inform Owner
    Unit* pOwner = victim->GetCharmerOrOwner();
    if (victim->IsTemporarySummon())
    {
        TemporarySummon* pSummon = (TemporarySummon*)victim;
        if (pSummon->GetSummonerGuid().IsCreatureOrVehicle())
            if (Creature* pSummoner = victim->GetMap()->GetCreature(pSummon->GetSummonerGuid()))
                if (pSummoner->AI())
                {
                    pSummoner->AI()->SummonedCreatureJustDied(victim);
                }
    }
    else if (pOwner && pOwner->GetTypeId() == TYPEID_UNIT)
    {
        if (((Creature*)pOwner)->AI())
        {
            ((Creature*)pOwner)->AI()->SummonedCreatureJustDied(victim);
        }
    }

    // Inform Instance Data and Linking
    if (InstanceData* mapInstance = victim->GetInstanceData())
    {
        mapInstance->OnCreatureDeath(victim);
    }

    if (responsiblePlayer)                                  // killedby Player, inform BG
        if (BattleGround* bg = responsiblePlayer->GetBattleGround())
        {
            bg->HandleKillUnit(victim, responsiblePlayer);
        }

            // Used by Eluna
#ifdef ENABLE_ELUNA
            sEluna->OnCreatureKill(responsiblePlayer, victim);
#endif /* ENABLE_ELUNA */

    // Notify the outdoor pvp script
    if (OutdoorPvP* outdoorPvP = sOutdoorPvPMgr.GetScript(responsiblePlayer ? responsiblePlayer->GetCachedZoneId() : GetZoneId()))
    {
        outdoorPvP->HandleCreatureDeath(victim);
    }

    // Start creature death script
    GetMap()->ScriptsStart(DBS_ON_CREATURE_DEATH, victim->GetEntry(), victim, responsiblePlayer ? responsiblePlayer : this);

    if (victim->IsLinkingEventTrigger())
    {
        victim->GetMap()->GetCreatureLinkingHolder()->DoCreatureLinkingEvent(LINKING_EVENT_DIE, victim);
    }

    // Dungeon specific stuff
    if (victim->GetInstanceId())
    {
        Map* m = victim->GetMap();
        Player* creditedPlayer = GetCharmerOrOwnerPlayerOrPlayerItself();
        // TODO: do instance binding anyway if the charmer/owner is offline

        if (m->IsDungeon() && creditedPlayer)
        {
            if (m->IsRaidOrHeroicDungeon())
            {
                if (victim->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_INSTANCE_BIND)
                {
                    ((DungeonMap*)m)->PermBindAllPlayers(creditedPlayer);
                }
            }
            else
            {
                DungeonPersistentState* save = ((DungeonMap*)m)->GetPersistanceState();
                // the reset time is set but not added to the scheduler
                // until the players leave the instance
                time_t resettime = victim->GetRespawnTimeEx() + 2 * HOUR;
                if (save->GetResetTime() < resettime)
                {
                    save->SetResetTime(resettime);
                }
            }
            // update encounter state if needed
            ((DungeonMap*)m)->GetPersistanceState()->UpdateEncounterState(ENCOUNTER_CREDIT_KILL_CREATURE, victim->GetEntry());
        }
    }

    bool isPet = victim->IsPet();

    /* ********************************* Set Death finally ************************************* */
    DEBUG_FILTER_LOG(LOG_FILTER_DAMAGE, "SET JUST_DIED");
    victim->SetDeathState(JUST_DIED);                       // if !spiritOfRedemtionTalentReady always true for unit

    if (isPet)
    {
        return;                                              // Pets might have been unsummoned at this place, do not handle them further!
    }

    /* ******************************** Prepare loot if can ************************************ */
    victim->DeleteThreatList();
    // only lootable if it has loot or can drop gold
    victim->PrepareBodyLootState();
    // may have no loot, so update death timer if allowed, must be after SetDeathState(JUST_DIED)
    victim->AllLootRemovedFromCorpse();
}

void Unit::PetOwnerKilledUnit(Unit* pVictim)
{
    // for minipet and guardians (including protector)
    CallForAllControlledUnits(PetOwnerKilledUnitHelper(pVictim), CONTROLLED_MINIPET | CONTROLLED_GUARDIANS);
}

void Unit::CastStop(uint32 except_spellid)
{
    for (uint32 i = CURRENT_FIRST_NON_MELEE_SPELL; i < CURRENT_MAX_SPELL; ++i)
        if (m_currentSpells[i] && m_currentSpells[i]->m_spellInfo->Id != except_spellid)
        {
            InterruptSpell(CurrentSpellTypes(i), false);
        }
}

void Unit::CastSpell(Unit* Victim, uint32 spellId, bool triggered, Item* castItem, Aura* triggeredByAura, ObjectGuid originalCaster, SpellEntry const* triggeredBy)
{
    SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId);

    if (!spellInfo)
    {
        if (triggeredByAura)
        {
            sLog.outError("CastSpell: unknown spell id %i by caster: %s triggered by aura %u (eff %u)", spellId, GetGuidStr().c_str(), triggeredByAura->GetId(), triggeredByAura->GetEffIndex());
        }
        else
        {
            sLog.outError("CastSpell: unknown spell id %i by caster: %s", spellId, GetGuidStr().c_str());
        }
        return;
    }

    CastSpell(Victim, spellInfo, triggered, castItem, triggeredByAura, originalCaster, triggeredBy);
}

void Unit::CastSpell(Unit* Victim, SpellEntry const* spellInfo, bool triggered, Item* castItem, Aura* triggeredByAura, ObjectGuid originalCaster, SpellEntry const* triggeredBy)
{
    if (!spellInfo)
    {
        if (triggeredByAura)
        {
            sLog.outError("CastSpell: unknown spell by caster: %s triggered by aura %u (eff %u)", GetGuidStr().c_str(), triggeredByAura->GetId(), triggeredByAura->GetEffIndex());
        }
        else
        {
            sLog.outError("CastSpell: unknown spell by caster: %s", GetGuidStr().c_str());
        }
        return;
    }

    if (castItem)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_SPELL_CAST, "WORLD: cast Item spellId - %i", spellInfo->Id);
    }

    if (triggeredByAura)
    {
        if (!originalCaster)
        {
            originalCaster = triggeredByAura->GetCasterGuid();
        }

        triggeredBy = triggeredByAura->GetSpellProto();
    }
    else
    {
        triggeredByAura = GetTriggeredByClientAura(spellInfo->Id);
        if (triggeredByAura)
        {
            triggered = true;
            triggeredBy = triggeredByAura->GetSpellProto();
        }
    }

    Spell* spell = new Spell(this, spellInfo, triggered, originalCaster, triggeredBy);

    SpellCastTargets targets;
    targets.setUnitTarget(Victim);

    if (spellInfo->GetTargets() & TARGET_FLAG_DEST_LOCATION)
    {
        targets.setDestination(Victim->GetPositionX(), Victim->GetPositionY(), Victim->GetPositionZ());
    }
    if (spellInfo->GetTargets() & TARGET_FLAG_SOURCE_LOCATION)
        if (WorldObject* caster = spell->GetCastingObject())
        {
            targets.setSource(caster->GetPositionX(), caster->GetPositionY(), caster->GetPositionZ());
        }

    spell->m_CastItem = castItem;
    spell->SpellStart(&targets, triggeredByAura);
}

void Unit::CastCustomSpell(Unit* Victim, uint32 spellId, int32 const* bp0, int32 const* bp1, int32 const* bp2, bool triggered, Item* castItem, Aura* triggeredByAura, ObjectGuid originalCaster, SpellEntry const* triggeredBy)
{
    SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId);

    if (!spellInfo)
    {
        if (triggeredByAura)
        {
            sLog.outError("CastCustomSpell: unknown spell id %i by caster: %s triggered by aura %u (eff %u)", spellId, GetGuidStr().c_str(), triggeredByAura->GetId(), triggeredByAura->GetEffIndex());
        }
        else
        {
            sLog.outError("CastCustomSpell: unknown spell id %i by caster: %s", spellId, GetGuidStr().c_str());
        }
        return;
    }

    CastCustomSpell(Victim, spellInfo, bp0, bp1, bp2, triggered, castItem, triggeredByAura, originalCaster, triggeredBy);
}

void Unit::CastCustomSpell(Unit* Victim, SpellEntry const* spellInfo, int32 const* bp0, int32 const* bp1, int32 const* bp2, bool triggered, Item* castItem, Aura* triggeredByAura, ObjectGuid originalCaster, SpellEntry const* triggeredBy)
{
    if (!spellInfo)
    {
        if (triggeredByAura)
        {
            sLog.outError("CastCustomSpell: unknown spell by caster: %s triggered by aura %u (eff %u)", GetGuidStr().c_str(), triggeredByAura->GetId(), triggeredByAura->GetEffIndex());
        }
        else
        {
            sLog.outError("CastCustomSpell: unknown spell by caster: %s", GetGuidStr().c_str());
        }
        return;
    }

    if (castItem)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_SPELL_CAST, "WORLD: cast Item spellId - %i", spellInfo->Id);
    }

    if (triggeredByAura)
    {
        if (!originalCaster)
        {
            originalCaster = triggeredByAura->GetCasterGuid();
        }

        triggeredBy = triggeredByAura->GetSpellProto();
    }

    Spell* spell = new Spell(this, spellInfo, triggered, originalCaster, triggeredBy);

    if (bp0)
    {
        spell->m_currentBasePoints[EFFECT_INDEX_0] = *bp0;
    }

    if (bp1)
    {
        spell->m_currentBasePoints[EFFECT_INDEX_1] = *bp1;
    }

    if (bp2)
    {
        spell->m_currentBasePoints[EFFECT_INDEX_2] = *bp2;
    }

    SpellCastTargets targets;
    targets.setUnitTarget(Victim);
    spell->m_CastItem = castItem;

    if (spellInfo->GetTargets() & TARGET_FLAG_DEST_LOCATION)
    {
        targets.setDestination(Victim->GetPositionX(), Victim->GetPositionY(), Victim->GetPositionZ());
    }
    if (spellInfo->GetTargets() & TARGET_FLAG_SOURCE_LOCATION)
        if (WorldObject* caster = spell->GetCastingObject())
        {
            targets.setSource(caster->GetPositionX(), caster->GetPositionY(), caster->GetPositionZ());
        }

    spell->SpellStart(&targets, triggeredByAura);
}

// used for scripting
void Unit::CastSpell(float x, float y, float z, uint32 spellId, bool triggered, Item* castItem, Aura* triggeredByAura, ObjectGuid originalCaster, SpellEntry const* triggeredBy)
{
    SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId);

    if (!spellInfo)
    {
        if (triggeredByAura)
        {
            sLog.outError("CastSpell(x,y,z): unknown spell id %i by caster: %s triggered by aura %u (eff %u)", spellId, GetGuidStr().c_str(), triggeredByAura->GetId(), triggeredByAura->GetEffIndex());
        }
        else
        {
            sLog.outError("CastSpell(x,y,z): unknown spell id %i by caster: %s", spellId, GetGuidStr().c_str());
        }
        return;
    }

    CastSpell(x, y, z, spellInfo, triggered, castItem, triggeredByAura, originalCaster, triggeredBy);
}

// used for scripting
void Unit::CastSpell(float x, float y, float z, SpellEntry const* spellInfo, bool triggered, Item* castItem, Aura* triggeredByAura, ObjectGuid originalCaster, SpellEntry const* triggeredBy)
{
    if (!spellInfo)
    {
        if (triggeredByAura)
        {
            sLog.outError("CastSpell(x,y,z): unknown spell by caster: %s triggered by aura %u (eff %u)", GetGuidStr().c_str(), triggeredByAura->GetId(), triggeredByAura->GetEffIndex());
        }
        else
        {
            sLog.outError("CastSpell(x,y,z): unknown spell by caster: %s", GetGuidStr().c_str());
        }
        return;
    }

    if (castItem)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_SPELL_CAST, "WORLD: cast Item spellId - %i", spellInfo->Id);
    }

    if (triggeredByAura)
    {
        if (!originalCaster)
        {
            originalCaster = triggeredByAura->GetCasterGuid();
        }

        triggeredBy = triggeredByAura->GetSpellProto();
    }

    Spell* spell = new Spell(this, spellInfo, triggered, originalCaster, triggeredBy);

    SpellCastTargets targets;

    if (spellInfo->GetTargets() & TARGET_FLAG_DEST_LOCATION)
    {
        targets.setDestination(x, y, z);
    }
    if (spellInfo->GetTargets() & TARGET_FLAG_SOURCE_LOCATION)
    {
        targets.setSource(x, y, z);
    }

    // Spell cast with x,y,z but without dbc target-mask, set destination
    if (!(targets.m_targetMask & (TARGET_FLAG_DEST_LOCATION | TARGET_FLAG_SOURCE_LOCATION)))
    {
        targets.setDestination(x, y, z);
    }

    spell->m_CastItem = castItem;
    spell->SpellStart(&targets, triggeredByAura);
}

// Obsolete func need remove, here only for comotability vs another patches
uint32 Unit::SpellNonMeleeDamageLog(Unit* pVictim, uint32 spellID, uint32 damage)
{
    SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellID);
    SpellNonMeleeDamage damageInfo(this, pVictim, spellInfo->Id, SpellSchoolMask(spellInfo->SchoolMask));
    CalculateSpellDamage(&damageInfo, damage, spellInfo);
    damageInfo.target->CalculateAbsorbResistBlock(this, &damageInfo, spellInfo);
    DealDamageMods(damageInfo.target, damageInfo.damage, &damageInfo.absorb);
    SendSpellNonMeleeDamageLog(&damageInfo);
    DealSpellDamage(&damageInfo, true);
    return damageInfo.damage;
}

void Unit::CalculateSpellDamage(SpellNonMeleeDamage* damageInfo, int32 damage, SpellEntry const* spellInfo, WeaponAttackType attackType)
{
    SpellSchoolMask damageSchoolMask = damageInfo->schoolMask;
    Unit* pVictim = damageInfo->target;

    if (damage < 0)
    {
        return;
    }

    if (!this || !pVictim)
    {
        return;
    }

    // units which are not alive cannot deal damage except for dying creatures
    if ((!this->IsAlive() || !pVictim->IsAlive()) && (this->GetTypeId() != TYPEID_UNIT || this->GetDeathState() != DEAD))
    {
        return;
    }

    // Check spell crit chance
    bool crit = IsSpellCrit(pVictim, spellInfo, damageSchoolMask, attackType);

    // damage bonus (per damage class)
    switch (spellInfo->GetDmgClass())
    {
            // Melee and Ranged Spells
        case SPELL_DAMAGE_CLASS_RANGED:
        case SPELL_DAMAGE_CLASS_MELEE:
        {
            // Calculate damage bonus
            damage = MeleeDamageBonusDone(pVictim, damage, attackType, spellInfo, SPELL_DIRECT_DAMAGE);
            damage = pVictim->MeleeDamageBonusTaken(this, damage, attackType, spellInfo, SPELL_DIRECT_DAMAGE);

            // if crit add critical bonus
            if (crit)
            {
                damageInfo->HitInfo |= SPELL_HIT_TYPE_CRIT;
                damage = SpellCriticalDamageBonus(spellInfo, damage, pVictim);
                // Resilience - reduce crit damage
                uint32 reduction_affected_damage = CalcNotIgnoreDamageReduction(damage, damageSchoolMask);
                damage -= pVictim->GetCritDamageReduction(reduction_affected_damage);
            }
        }
        break;
        // Magical Attacks
        case SPELL_DAMAGE_CLASS_NONE:
        case SPELL_DAMAGE_CLASS_MAGIC:
        {
            // Calculate damage bonus
            damage = SpellDamageBonusDone(pVictim, spellInfo, damage, SPELL_DIRECT_DAMAGE);
            damage = pVictim->SpellDamageBonusTaken(this, spellInfo, damage, SPELL_DIRECT_DAMAGE);

            // If crit add critical bonus
            if (crit)
            {
                damageInfo->HitInfo |= SPELL_HIT_TYPE_CRIT;
                damage = SpellCriticalDamageBonus(spellInfo, damage, pVictim);
                // Resilience - reduce crit damage
                uint32 reduction_affected_damage = CalcNotIgnoreDamageReduction(damage, damageSchoolMask);
                damage -= pVictim->GetCritDamageReduction(reduction_affected_damage);
            }
        }
        break;
    }

    // only from players
    if (GetTypeId() == TYPEID_PLAYER)
    {
        uint32 reduction_affected_damage = CalcNotIgnoreDamageReduction(damage, damageSchoolMask);
        damage -= pVictim->GetDamageReduction(reduction_affected_damage);
    }

    // damage mitigation
    if (damage > 0)
    {
        // physical damage => armor
        if (damageSchoolMask & SPELL_SCHOOL_MASK_NORMAL)
        {
            uint32 armor_affected_damage = CalcNotIgnoreDamageReduction(damage, damageSchoolMask);
            damage = damage - armor_affected_damage + CalcArmorReducedDamage(pVictim, armor_affected_damage);
        }
    }
    else
    {
        damage = 0;
    }
    damageInfo->damage = damage;
}

void Unit::DealSpellDamage(SpellNonMeleeDamage* damageInfo, bool durabilityLoss)
{
    if (!damageInfo)
    {
        return;
    }

    Unit* pVictim = damageInfo->target;

    if (!this || !pVictim)
    {
        return;
    }

    if (!pVictim->IsAlive() || pVictim->IsTaxiFlying() || (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->IsInEvadeMode()))
    {
        return;
    }

    SpellEntry const* spellProto = sSpellStore.LookupEntry(damageInfo->SpellID);
    if (spellProto == NULL)
    {
        sLog.outError("Unit::DealSpellDamage have wrong damageInfo->SpellID: %u", damageInfo->SpellID);
        return;
    }

    // You don't lose health from damage taken from another player while in a sanctuary
    // You still see it in the combat log though
    if (!IsAllowedDamageInArea(pVictim))
    {
        return;
    }

    // Call default DealDamage (send critical in hit info for threat calculation)
    CleanDamage cleanDamage(0, BASE_ATTACK, damageInfo->HitInfo & SPELL_HIT_TYPE_CRIT ? MELEE_HIT_CRIT : MELEE_HIT_NORMAL);
    DealDamage(pVictim, damageInfo->damage, &cleanDamage, SPELL_DIRECT_DAMAGE, damageInfo->schoolMask, spellProto, durabilityLoss);
}

// TODO for melee need create structure as in
void Unit::CalculateMeleeDamage(Unit* pVictim, CalcDamageInfo* damageInfo, WeaponAttackType attackType /*= BASE_ATTACK*/)
{
    damageInfo->attacker         = this;
    damageInfo->target           = pVictim;
    damageInfo->damageSchoolMask = GetMeleeDamageSchoolMask();
    damageInfo->attackType       = attackType;
    damageInfo->damage           = 0;
    damageInfo->cleanDamage      = 0;
    damageInfo->absorb           = 0;
    damageInfo->resist           = 0;
    damageInfo->blocked_amount   = 0;

    damageInfo->TargetState      = VICTIMSTATE_UNAFFECTED;
    damageInfo->HitInfo          = HITINFO_NORMALSWING;
    damageInfo->procAttacker     = PROC_FLAG_NONE;
    damageInfo->procVictim       = PROC_FLAG_NONE;
    damageInfo->procEx           = PROC_EX_NONE;
    damageInfo->hitOutCome       = MELEE_HIT_EVADE;

    if (!this || !pVictim)
    {
        return;
    }
    if (!this->IsAlive() || !pVictim->IsAlive())
    {
        return;
    }

    // Select HitInfo/procAttacker/procVictim flag based on attack type
    switch (attackType)
    {
        case BASE_ATTACK:
            damageInfo->procAttacker = PROC_FLAG_SUCCESSFUL_MELEE_HIT;
            damageInfo->procVictim   = PROC_FLAG_TAKEN_MELEE_HIT;
            damageInfo->HitInfo      = HITINFO_NORMALSWING2;
            break;
        case OFF_ATTACK:
            damageInfo->procAttacker = PROC_FLAG_SUCCESSFUL_MELEE_HIT | PROC_FLAG_SUCCESSFUL_OFFHAND_HIT;
            damageInfo->procVictim   = PROC_FLAG_TAKEN_MELEE_HIT;//|PROC_FLAG_TAKEN_OFFHAND_HIT // not used
            damageInfo->HitInfo = HITINFO_LEFTSWING;
            break;
        case RANGED_ATTACK:
            damageInfo->procAttacker = PROC_FLAG_SUCCESSFUL_RANGED_HIT;
            damageInfo->procVictim   = PROC_FLAG_TAKEN_RANGED_HIT;
            damageInfo->HitInfo = HITINFO_UNK3;             // test (dev note: test what? HitInfo flag possibly not confirmed.)
            break;
        default:
            break;
    }

    // Physical Immune check
    if (damageInfo->target->IsImmunedToDamage(damageInfo->damageSchoolMask))
    {
        damageInfo->HitInfo       |= HITINFO_NORMALSWING;
        damageInfo->TargetState    = VICTIMSTATE_IS_IMMUNE;

        damageInfo->procEx |= PROC_EX_IMMUNE;
        damageInfo->damage         = 0;
        damageInfo->cleanDamage    = 0;
        return;
    }
    uint32 damage = CalculateDamage(damageInfo->attackType, false);
    // Add melee damage bonus
    damage = MeleeDamageBonusDone(damageInfo->target, damage, damageInfo->attackType);
    damage = damageInfo->target->MeleeDamageBonusTaken(this, damage, damageInfo->attackType);

    // Calculate armor reduction
    uint32 armor_affected_damage = CalcNotIgnoreDamageReduction(damage, damageInfo->damageSchoolMask);
    damageInfo->damage = damage - armor_affected_damage + CalcArmorReducedDamage(damageInfo->target, armor_affected_damage);
    damageInfo->cleanDamage += damage - damageInfo->damage;

    damageInfo->hitOutCome = RollMeleeOutcomeAgainst(damageInfo->target, damageInfo->attackType);

    // Disable parry or dodge for ranged attack
    if (damageInfo->attackType == RANGED_ATTACK)
    {
        if (damageInfo->hitOutCome == MELEE_HIT_PARRY) damageInfo->hitOutCome = MELEE_HIT_NORMAL;
        {
            if (damageInfo->hitOutCome == MELEE_HIT_DODGE) damageInfo->hitOutCome = MELEE_HIT_MISS;
        }
    }

    switch (damageInfo->hitOutCome)
    {
        case MELEE_HIT_EVADE:
        {
            damageInfo->HitInfo    |= HITINFO_MISS | HITINFO_SWINGNOHITSOUND;
            damageInfo->TargetState = VICTIMSTATE_EVADES;

            damageInfo->procEx |= PROC_EX_EVADE;
            damageInfo->damage = 0;
            damageInfo->cleanDamage = 0;
            return;
        }
        case MELEE_HIT_MISS:
        {
            damageInfo->HitInfo    |= HITINFO_MISS;
            damageInfo->TargetState = VICTIMSTATE_UNAFFECTED;

            damageInfo->procEx |= PROC_EX_MISS;
            damageInfo->damage = 0;
            damageInfo->cleanDamage = 0;
            break;
        }
        case MELEE_HIT_NORMAL:
            damageInfo->TargetState = VICTIMSTATE_NORMAL;
            damageInfo->procEx |= PROC_EX_NORMAL_HIT;
            break;
        case MELEE_HIT_CRIT:
        {
            damageInfo->HitInfo     |= HITINFO_CRITICALHIT;
            damageInfo->TargetState  = VICTIMSTATE_NORMAL;

            damageInfo->procEx |= PROC_EX_CRITICAL_HIT;
            // Crit bonus calc
            damageInfo->damage += damageInfo->damage;

            // Apply SPELL_AURA_MOD_CRIT_DAMAGE_BONUS modifier first
            const int32 bonus = GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_CRIT_DAMAGE_BONUS, SPELL_SCHOOL_MASK_NORMAL);
            damageInfo->damage += int32((damageInfo->damage) * float(bonus / 100.0f));

            int32 mod = 0;
            // Apply SPELL_AURA_MOD_ATTACKER_RANGED_CRIT_DAMAGE or SPELL_AURA_MOD_ATTACKER_MELEE_CRIT_DAMAGE
            if (damageInfo->attackType == RANGED_ATTACK)
            {
                mod += damageInfo->target->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_RANGED_CRIT_DAMAGE);
            }
            else
            {
                mod += damageInfo->target->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_MELEE_CRIT_DAMAGE);
            }

            if (mod != 0)
            {
                damageInfo->damage = int32((damageInfo->damage) * float((100.0f + mod) / 100.0f));
            }

            // Resilience - reduce crit damage
            uint32 reduction_affected_damage = CalcNotIgnoreDamageReduction(damageInfo->damage, damageInfo->damageSchoolMask);
            uint32 resilienceReduction = pVictim->GetCritDamageReduction(reduction_affected_damage);

            damageInfo->damage      -= resilienceReduction;
            damageInfo->cleanDamage += resilienceReduction;
            break;
        }
        case MELEE_HIT_PARRY:
            damageInfo->TargetState  = VICTIMSTATE_PARRY;
            damageInfo->procEx      |= PROC_EX_PARRY;
            damageInfo->cleanDamage += damageInfo->damage;
            damageInfo->damage = 0;
            break;

        case MELEE_HIT_DODGE:
            damageInfo->TargetState  = VICTIMSTATE_DODGE;
            damageInfo->procEx      |= PROC_EX_DODGE;
            damageInfo->cleanDamage += damageInfo->damage;
            damageInfo->damage = 0;
            break;
        case MELEE_HIT_BLOCK:
        {
            damageInfo->TargetState = VICTIMSTATE_NORMAL;
            damageInfo->HitInfo    |= HITINFO_BLOCK;
            damageInfo->procEx     |= PROC_EX_BLOCK;
            damageInfo->blocked_amount = damageInfo->target->GetShieldBlockDamageValue() * damageInfo->damage / 100.0f;

            // Target has a chance to double the blocked amount if it has SPELL_AURA_MOD_BLOCK_CRIT_CHANCE
            if (roll_chance_i(pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_BLOCK_CRIT_CHANCE)))
            {
                damageInfo->blocked_amount *= 2;
            }

            if (damageInfo->blocked_amount >= damageInfo->damage)
            {
                damageInfo->TargetState = VICTIMSTATE_BLOCKS;
                damageInfo->blocked_amount = damageInfo->damage;
                damageInfo->procEx |= PROC_EX_FULL_BLOCK;
            }
            else
            {
                damageInfo->procEx |= PROC_EX_NORMAL_HIT;    // Partial blocks can still cause attacker procs
            }

            damageInfo->damage      -= damageInfo->blocked_amount;
            damageInfo->cleanDamage += damageInfo->blocked_amount;
            break;
        }
        case MELEE_HIT_GLANCING:
        {
            damageInfo->HitInfo |= HITINFO_GLANCING;
            damageInfo->TargetState = VICTIMSTATE_NORMAL;
            damageInfo->procEx |= PROC_EX_NORMAL_HIT;
            float reducePercent = 1.0f;                     // damage factor
            // calculate base values and mods
            float baseLowEnd = 1.3f;
            float baseHighEnd = 1.2f;
            switch (getClass())                             // lowering base values for casters
            {
                case CLASS_SHAMAN:
                case CLASS_PRIEST:
                case CLASS_MAGE:
                case CLASS_WARLOCK:
                case CLASS_DRUID:
                    baseLowEnd  -= 0.7f;
                    baseHighEnd -= 0.3f;
                    break;
            }

            float maxLowEnd = 0.6f;
            switch (getClass())                             // upper for melee classes
            {
                case CLASS_WARRIOR:
                case CLASS_ROGUE:
                    maxLowEnd = 0.91f;                      // If the attacker is a melee class then instead the lower value of 0.91
            }

            // calculate values
            int32 diff = damageInfo->target->GetMaxSkillValueForLevel() - GetMaxSkillValueForLevel();
            float lowEnd  = baseLowEnd - (0.05f * diff);
            float highEnd = baseHighEnd - (0.03f * diff);

            // apply max/min bounds
            if (lowEnd < 0.01f)                             // the low end must not go bellow 0.01f
            {
                lowEnd = 0.01f;
            }
            else if (lowEnd > maxLowEnd)                    // the smaller value of this and 0.6 is kept as the low end
            {
                lowEnd = maxLowEnd;
            }

            if (highEnd < 0.2f)                             // high end limits
            {
                highEnd = 0.2f;
            }
            if (highEnd > 0.99f)
            {
                highEnd = 0.99f;
            }

            if (lowEnd > highEnd)                           // prevent negative range size
            {
                lowEnd = highEnd;
            }

            reducePercent = lowEnd + rand_norm_f() * (highEnd - lowEnd);

            damageInfo->cleanDamage += damageInfo->damage - uint32(reducePercent *  damageInfo->damage);
            damageInfo->damage   = uint32(reducePercent *  damageInfo->damage);
            break;
        }
        case MELEE_HIT_CRUSHING:
        {
            damageInfo->HitInfo     |= HITINFO_CRUSHING;
            damageInfo->TargetState  = VICTIMSTATE_NORMAL;
            damageInfo->procEx |= PROC_EX_NORMAL_HIT;
            // 150% normal damage
            damageInfo->damage += (damageInfo->damage / 2);
            break;
        }
        default:

            break;
    }

    // only from players
    if (GetTypeId() == TYPEID_PLAYER)
    {
        uint32 reduction_affected_damage = CalcNotIgnoreDamageReduction(damageInfo->damage, damageInfo->damageSchoolMask);
        uint32 resilienceReduction = pVictim->GetDamageReduction(reduction_affected_damage);
        damageInfo->damage      -= resilienceReduction;
        damageInfo->cleanDamage += resilienceReduction;
    }

    // Calculate absorb resist
    if (int32(damageInfo->damage) > 0)
    {
        damageInfo->procVictim |= PROC_FLAG_TAKEN_ANY_DAMAGE;

        // Calculate absorb & resists
        uint32 absorb_affected_damage = CalcNotIgnoreAbsorbDamage(damageInfo->damage, damageInfo->damageSchoolMask);
        damageInfo->target->CalculateDamageAbsorbAndResist(this, damageInfo->damageSchoolMask, DIRECT_DAMAGE, absorb_affected_damage, &damageInfo->absorb, &damageInfo->resist, true);
        damageInfo->damage -= damageInfo->absorb + damageInfo->resist;
        if (damageInfo->absorb)
        {
            damageInfo->HitInfo |= HITINFO_ABSORB;
            damageInfo->procEx |= PROC_EX_ABSORB;
        }
        if (damageInfo->resist)
        {
            damageInfo->HitInfo |= HITINFO_RESIST;
        }
    }
    else // Umpossible get negative result but....
    {
        damageInfo->damage = 0;
    }
}

void Unit::DealMeleeDamage(CalcDamageInfo* damageInfo, bool durabilityLoss)
{
    if (damageInfo == 0)
    {
        return;
    }
    Unit* pVictim = damageInfo->target;

    if (!this || !pVictim)
    {
        return;
    }

    if (!pVictim->IsAlive() || pVictim->IsTaxiFlying() || (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->IsInEvadeMode()))
    {
        return;
    }

    // You don't lose health from damage taken from another player while in a sanctuary
    // You still see it in the combat log though
    if (!IsAllowedDamageInArea(pVictim))
    {
        return;
    }

    // Hmmmm dont like this emotes client must by self do all animations
    if (damageInfo->HitInfo & HITINFO_CRITICALHIT)
    {
        pVictim->HandleEmoteCommand(EMOTE_ONESHOT_WOUNDCRITICAL);
    }
    if (damageInfo->blocked_amount && damageInfo->TargetState != VICTIMSTATE_BLOCKS)
    {
        pVictim->HandleEmoteCommand(EMOTE_ONESHOT_PARRYSHIELD);
    }

    // This seems to reduce the victims time until next attack if your attack was parried
    if (damageInfo->TargetState == VICTIMSTATE_PARRY)
    {
        if (pVictim->GetTypeId() != TYPEID_UNIT ||
            !(((Creature*)pVictim)->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_NO_PARRY_HASTEN))
        {
            // Get attack timers
            float offtime = float(pVictim->getAttackTimer(OFF_ATTACK));
            float basetime = float(pVictim->getAttackTimer(BASE_ATTACK));
            // Reduce attack time
            if (pVictim->haveOffhandWeapon() && offtime < basetime)
            {
                float percent20 = pVictim->GetAttackTime(OFF_ATTACK) * 0.20f;
                float percent60 = 3.0f * percent20;
                if (offtime > percent20 && offtime <= percent60)
                {
                    pVictim->setAttackTimer(OFF_ATTACK, uint32(percent20));
                }
                else if (offtime > percent60)
                {
                    offtime -= 2.0f * percent20;
                    pVictim->setAttackTimer(OFF_ATTACK, uint32(offtime));
                }
            }
            else
            {
                float percent20 = pVictim->GetAttackTime(BASE_ATTACK) * 0.20f;
                float percent60 = 3.0f * percent20;
                if (basetime > percent20 && basetime <= percent60)
                {
                    pVictim->setAttackTimer(BASE_ATTACK, uint32(percent20));
                }
                else if (basetime > percent60)
                {
                    basetime -= 2.0f * percent20;
                    pVictim->setAttackTimer(BASE_ATTACK, uint32(basetime));
                }
            }
        }
    }

    // Call default DealDamage
    CleanDamage cleanDamage(damageInfo->cleanDamage, damageInfo->attackType, damageInfo->hitOutCome);
    DealDamage(pVictim, damageInfo->damage, &cleanDamage, DIRECT_DAMAGE, damageInfo->damageSchoolMask, NULL, durabilityLoss);

    // If this is a creature and it attacks from behind it has a probability to daze it's victim
    if ((damageInfo->hitOutCome == MELEE_HIT_CRIT || damageInfo->hitOutCome == MELEE_HIT_CRUSHING || damageInfo->hitOutCome == MELEE_HIT_NORMAL || damageInfo->hitOutCome == MELEE_HIT_GLANCING) &&
        GetTypeId() != TYPEID_PLAYER && !((Creature*)this)->GetCharmerOrOwnerGuid() && !pVictim->HasInArc(M_PI_F, this))
    {
        // -probability is between 0% and 40%
        // 20% base chance
        float Probability = 20.0f;

        // there is a newbie protection, at level 10 just 7% base chance; assuming linear function
        if (pVictim->getLevel() < 30)
        {
            Probability = 0.65f * pVictim->getLevel() + 0.5f;
        }

        uint32 VictimDefense = pVictim->GetMaxSkillValueForLevel(this);
        uint32 AttackerMeleeSkill = GetMaxSkillValueForLevel();

        Probability *= AttackerMeleeSkill / (float)VictimDefense;

        if (Probability > 40.0f)
        {
            Probability = 40.0f;
        }

        if (roll_chance_f(Probability))
        {
            CastSpell(pVictim, 1604, true);
        }
    }

    // If not miss
    if (!(damageInfo->HitInfo & HITINFO_MISS))
    {
        // on weapon hit casts
        if (GetTypeId() == TYPEID_PLAYER && pVictim->IsAlive())
        {
            ((Player*)this)->CastItemCombatSpell(pVictim, damageInfo->attackType);
        }

        // victim's damage shield
        std::set<Aura*> alreadyDone;
        AuraList const& vDamageShields = pVictim->GetAurasByType(SPELL_AURA_DAMAGE_SHIELD);
        for (AuraList::const_iterator i = vDamageShields.begin(); i != vDamageShields.end();)
        {
            if (alreadyDone.find(*i) == alreadyDone.end())
            {
                alreadyDone.insert(*i);
                uint32 damage = (*i)->GetModifier()->m_amount;
                SpellEntry const* i_spellProto = (*i)->GetSpellProto();
                // Calculate absorb resist ??? no data in opcode for this possibly unable to absorb or resist?
                // uint32 absorb;
                // uint32 resist;
                // CalcAbsorbResist(pVictim, SpellSchools(spellProto->School), SPELL_DIRECT_DAMAGE, damage, &absorb, &resist);
                // damage-=absorb + resist;

                pVictim->DealDamageMods(this, damage, NULL);

                uint32 targetHealth = GetHealth();
                uint32 overkill = damage > targetHealth ? damage - targetHealth : 0;

                WorldPacket data(SMSG_SPELLDAMAGESHIELD, (8 + 8 + 4 + 4 + 4 + 4));
                data << pVictim->GetObjectGuid();
                data << GetObjectGuid();
                data << uint32(i_spellProto->Id);
                data << uint32(damage);                  // Damage
                data << uint32(overkill);                // Overkill
                data << uint32(i_spellProto->SchoolMask);
                data << uint32(0);                       // FIXME: Resist
                pVictim->SendMessageToSet(&data, true);

                pVictim->DealDamage(this, damage, 0, SPELL_DIRECT_DAMAGE, GetSpellSchoolMask(i_spellProto), i_spellProto, true);

                i = vDamageShields.begin();
            }
            else
            {
                ++i;
            }
        }
    }
}

void Unit::HandleEmoteCommand(uint32 emote_id)
{
    DEBUG_LOG("SMSG_EMOTE %u");
    WorldPacket data(SMSG_EMOTE, 4 + 8);
    data << uint32(emote_id);
    data << GetObjectGuid();
    SendMessageToSet(&data, true);
}

void Unit::HandleEmoteState(uint32 emote_id)
{
    SetUInt32Value(UNIT_NPC_EMOTESTATE, emote_id);
}

void Unit::HandleEmote(uint32 emote_id)
{
    if (!emote_id)
    {
        HandleEmoteState(0);
    }
    else if (EmotesEntry const* emoteEntry = sEmotesStore.LookupEntry(emote_id))
    {
        if (emoteEntry->EmoteType)                          // 1,2 states, 0 command
        {
            HandleEmoteState(emote_id);
        }
        else
        {
            HandleEmoteCommand(emote_id);
        }
    }
}

uint32 Unit::CalcNotIgnoreAbsorbDamage(uint32 damage, SpellSchoolMask damageSchoolMask, SpellEntry const* spellInfo /*= NULL*/)
{
    float absorb_affected_rate = 1.0f;
    Unit::AuraList const& ignoreAbsorbSchool = GetAurasByType(SPELL_AURA_MOD_IGNORE_ABSORB_SCHOOL);
    for (Unit::AuraList::const_iterator i = ignoreAbsorbSchool.begin(); i != ignoreAbsorbSchool.end(); ++i)
        if ((*i)->GetMiscValue() & damageSchoolMask)
        {
            absorb_affected_rate *= (100.0f - (*i)->GetModifier()->m_amount) / 100.0f;
        }

    if (spellInfo)
    {
        Unit::AuraList const& ignoreAbsorbForSpell = GetAurasByType(SPELL_AURA_MOD_IGNORE_ABSORB_FOR_SPELL);
        for (Unit::AuraList::const_iterator citr = ignoreAbsorbForSpell.begin(); citr != ignoreAbsorbForSpell.end(); ++citr)
            if ((*citr)->isAffectedOnSpell(spellInfo))
            {
                absorb_affected_rate *= (100.0f - (*citr)->GetModifier()->m_amount) / 100.0f;
            }
    }

    return absorb_affected_rate <= 0.0f ? 0 : (absorb_affected_rate < 1.0f  ? uint32(damage * absorb_affected_rate) : damage);
}

uint32 Unit::CalcNotIgnoreDamageReduction(uint32 damage, SpellSchoolMask damageSchoolMask)
{
    float absorb_affected_rate = 1.0f;
    Unit::AuraList const& ignoreAbsorb = GetAurasByType(SPELL_AURA_MOD_IGNORE_DAMAGE_REDUCTION_SCHOOL);
    for (Unit::AuraList::const_iterator i = ignoreAbsorb.begin(); i != ignoreAbsorb.end(); ++i)
        if ((*i)->GetMiscValue() & damageSchoolMask)
        {
            absorb_affected_rate *= (100.0f - (*i)->GetModifier()->m_amount) / 100.0f;
        }

    return absorb_affected_rate <= 0.0f ? 0 : (absorb_affected_rate < 1.0f  ? uint32(damage * absorb_affected_rate) : damage);
}

uint32 Unit::CalcArmorReducedDamage(Unit* pVictim, const uint32 damage)
{
    uint32 newdamage = 0;
    float armor = (float)pVictim->GetArmor();

    // Ignore enemy armor by SPELL_AURA_MOD_TARGET_RESISTANCE aura
    armor += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_TARGET_RESISTANCE, SPELL_SCHOOL_MASK_NORMAL);

    // Apply Player CR_ARMOR_PENETRATION rating and percent talents
    if (GetTypeId() == TYPEID_PLAYER)
    {
        float maxArmorPen = 400 + 85 * pVictim->getLevel();
        if (getLevel() > 59)
        {
            maxArmorPen += 4.5f * 85 * (pVictim->getLevel() - 59);
        }
        // Cap ignored armor to this value
        maxArmorPen = std::min(((armor + maxArmorPen) / 3), armor);
        // Also, armor penetration is limited to 100% since 3.1.2, before greater values did
        // continue to give benefit for targets with more armor than the above cap
        float armorPenPct = std::min(100.f, ((Player*)this)->GetArmorPenetrationPct());
        armor -= maxArmorPen * armorPenPct / 100.0f;
    }

    if (armor < 0.0f)
    {
        armor = 0.0f;
    }

    float levelModifier = (float)getLevel();
    if (levelModifier > 59)
    {
        levelModifier = levelModifier + (4.5f * (levelModifier - 59));
    }

    float tmpvalue = 0.1f * armor / (8.5f * levelModifier + 40);
    tmpvalue = tmpvalue / (1.0f + tmpvalue);

    if (tmpvalue < 0.0f)
    {
        tmpvalue = 0.0f;
    }
    if (tmpvalue > 0.75f)
    {
        tmpvalue = 0.75f;
    }

    newdamage = uint32(damage - (damage * tmpvalue));

    return (newdamage > 1) ? newdamage : 1;
}

void Unit::CalculateDamageAbsorbAndResist(Unit* pCaster, SpellSchoolMask schoolMask, DamageEffectType damagetype, const uint32 damage, uint32* absorb, uint32* resist, bool canReflect)
{
    if (!pCaster || !IsAlive() || !damage)
    {
        return;
    }

    // Magic damage, check for resists
    if ((schoolMask & SPELL_SCHOOL_MASK_NORMAL) == 0)
    {
        // Get base victim resistance for school
        float tmpvalue2 = (float)GetResistance(GetFirstSchoolInMask(schoolMask));
        // Ignore resistance by self SPELL_AURA_MOD_TARGET_RESISTANCE aura
        tmpvalue2 += (float)pCaster->GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_TARGET_RESISTANCE, schoolMask);

        if (pCaster->GetTypeId() == TYPEID_PLAYER)
        {
            tmpvalue2 -= (float)((Player*)pCaster)->GetSpellPenetrationItemMod();
        }

        tmpvalue2 *= (float)(0.15f / getLevel());
        if (tmpvalue2 < 0.0f)
        {
            tmpvalue2 = 0.0f;
        }
        if (tmpvalue2 > 0.75f)
        {
            tmpvalue2 = 0.75f;
        }
        uint32 ran = urand(0, 100);
        float faq[4] = {24.0f, 6.0f, 4.0f, 6.0f};
        uint8 m = 0;
        float Binom = 0.0f;
        for (uint8 i = 0; i < 4; ++i)
        {
            Binom += 2400 * (powf(tmpvalue2, float(i)) * powf((1 - tmpvalue2), float(4 - i))) / faq[i];
            if (ran > Binom)
            {
                ++m;
            }
            else
            {
                break;
            }
        }
        if (damagetype == DOT && m == 4)
        {
            *resist += uint32(damage - 1);
        }
        else
        {
            *resist += uint32(damage * m / 4);
        }
        if (*resist > damage)
        {
            *resist = damage;
        }
    }
    else
    {
        *resist = 0;
    }

    int32 RemainingDamage = damage - *resist;

    // Get unit state (need for some absorb check)
    uint32 unitflag = GetUInt32Value(UNIT_FIELD_FLAGS);
    // Reflect damage spells (not cast any damage spell in aura lookup)
    uint32 reflectSpell = 0;
    int32  reflectDamage = 0;
    Aura*  reflectTriggeredBy = NULL;                       // expected as not expired at reflect as in current cases
    // Death Prevention Aura
    SpellEntry const*  preventDeathSpell = NULL;
    int32  preventDeathAmount = 0;

    // full absorb cases (by chance)
    AuraList const& vAbsorb = GetAurasByType(SPELL_AURA_SCHOOL_ABSORB);
    for (AuraList::const_iterator i = vAbsorb.begin(); i != vAbsorb.end() && RemainingDamage > 0; ++i)
    {
        // only work with proper school mask damage
        Modifier* i_mod = (*i)->GetModifier();
        if (!(i_mod->m_miscvalue & schoolMask))
        {
            continue;
        }

        SpellEntry const* i_spellProto = (*i)->GetSpellProto();
        SpellClassOptionsEntry const* adsClassOptions = i_spellProto->GetSpellClassOptions();
        // Fire Ward or Frost Ward
        if(adsClassOptions && adsClassOptions->SpellFamilyName == SPELLFAMILY_MAGE && adsClassOptions->SpellFamilyFlags & UI64LIT(0x0000000000000108))
        {
            int chance = 0;
            Unit::AuraList const& auras = GetAurasByType(SPELL_AURA_ADD_PCT_MODIFIER);
            for (Unit::AuraList::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
            {
                SpellEntry const* itr_spellProto = (*itr)->GetSpellProto();
                // Frost Warding (chance full absorb)
                if (itr_spellProto->GetSpellFamilyName() == SPELLFAMILY_MAGE && itr_spellProto->SpellIconID == 501)
                {
                    // chance stored in next dummy effect
                    chance = itr_spellProto->CalculateSimpleValue(EFFECT_INDEX_1);
                    break;
                }
            }
            if (roll_chance_i(chance))
            {
                int32 amount = RemainingDamage;
                RemainingDamage = 0;

                // Frost Warding (mana regen)
                CastCustomSpell(this, 57776, &amount, NULL, NULL, true, NULL, *i);
                break;
            }
        }
    }

    // Need remove expired auras after
    bool existExpired = false;

    // Incanter's Absorption, for converting to spell power
    int32 incanterAbsorption = 0;

    // absorb without mana cost
    AuraList const& vSchoolAbsorb = GetAurasByType(SPELL_AURA_SCHOOL_ABSORB);
    for (AuraList::const_iterator i = vSchoolAbsorb.begin(); i != vSchoolAbsorb.end() && RemainingDamage > 0; ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (!(mod->m_miscvalue & schoolMask))
        {
            continue;
        }

        SpellEntry const* spellProto = (*i)->GetSpellProto();

        // Max Amount can be absorbed by this aura
        int32  currentAbsorb = mod->m_amount;

        // Found empty aura (impossible but..)
        if (currentAbsorb <= 0)
        {
            existExpired = true;
            continue;
        }

        // Handle custom absorb auras
        // TODO: try find better way
        SpellClassOptionsEntry const* classOptions = spellProto->GetSpellClassOptions();

        switch(spellProto->GetSpellFamilyName())
        {
            case SPELLFAMILY_GENERIC:
            {
                // Astral Shift
                if (spellProto->SpellIconID == 3066)
                {
                    // reduces all damage taken while stun, fear or silence
                    if (unitflag & (UNIT_FLAG_STUNNED | UNIT_FLAG_FLEEING | UNIT_FLAG_SILENCED))
                    {
                        RemainingDamage -= RemainingDamage * currentAbsorb / 100;
                    }
                    continue;
                }
                // Nerves of Steel
                if (spellProto->SpellIconID == 2115)
                {
                    // while affected by Stun and Fear
                    if (unitflag & (UNIT_FLAG_STUNNED | UNIT_FLAG_FLEEING))
                    {
                        RemainingDamage -= RemainingDamage * currentAbsorb / 100;
                    }
                    continue;
                }
                // Spell Deflection
                if (spellProto->SpellIconID == 3006)
                {
                    // You have a chance equal to your Parry chance
                    if (damagetype == SPELL_DIRECT_DAMAGE &&// Only for direct spell damage
                            roll_chance_f(GetUnitParryChance()))             // Roll chance
                        RemainingDamage -= RemainingDamage * currentAbsorb / 100;
                    continue;
                }
                // Reflective Shield (Lady Malande boss)
                if (spellProto->Id == 41475 && canReflect)
                {
                    if (RemainingDamage < currentAbsorb)
                    {
                        reflectDamage = RemainingDamage / 2;
                    }
                    else
                    {
                        reflectDamage = currentAbsorb / 2;
                    }
                    reflectSpell = 33619;
                    reflectTriggeredBy = *i;
                    reflectTriggeredBy->SetInUse(true);     // lock aura from final deletion until processing
                    break;
                }
                if (spellProto->Id == 39228 ||              // Argussian Compass
                        spellProto->Id == 60218)            // Essence of Gossamer
                {
                    // Max absorb stored in 1 dummy effect
                    int32 max_absorb = spellProto->CalculateSimpleValue(EFFECT_INDEX_1);
                    if (max_absorb < currentAbsorb)
                    {
                        currentAbsorb = max_absorb;
                    }
                    break;
                }
                break;
            }
            case SPELLFAMILY_DRUID:
            {
                // Primal Tenacity
                if (spellProto->SpellIconID == 2253)
                {
                    // reduces all damage taken while Stunned and in Cat Form
                    if (GetShapeshiftForm() == FORM_CAT && (unitflag & UNIT_FLAG_STUNNED))
                    {
                        RemainingDamage -= RemainingDamage * currentAbsorb / 100;
                    }
                    continue;
                }
                // Moonkin Form passive
                if (spellProto->Id == 69366)
                {
                    // reduces all damage taken while Stunned
                    if (unitflag & UNIT_FLAG_STUNNED)
                    {
                        RemainingDamage -= RemainingDamage * currentAbsorb / 100;
                    }
                    continue;
                }
                break;
            }
            case SPELLFAMILY_ROGUE:
            {
                // Cheat Death (make less prio with Guardian Spirit case)
                if (spellProto->SpellIconID == 2109)
                {
                    if (!preventDeathSpell &&
                            GetTypeId() == TYPEID_PLAYER && // Only players
                            !((Player*)this)->HasSpellCooldown(31231) &&
                            // Only if no cooldown
                            roll_chance_i((*i)->GetModifier()->m_amount))
                        // Only if roll
                    {
                        preventDeathSpell = (*i)->GetSpellProto();
                    }
                    // always skip this spell in charge dropping, absorb amount calculation since it has chance as m_amount and doesn't need to absorb any damage
                    continue;
                }
                break;
            }
            case SPELLFAMILY_PRIEST:
            {
                // Guardian Spirit
                if (spellProto->SpellIconID == 2873)
                {
                    preventDeathSpell = (*i)->GetSpellProto();
                    preventDeathAmount = (*i)->GetModifier()->m_amount;
                    continue;
                }
                // Reflective Shield
                if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000000001)) && canReflect)
                {
                    if (pCaster == this)
                    {
                        break;
                    }
                    Unit* caster = (*i)->GetCaster();
                    if (!caster)
                    {
                        break;
                    }
                    AuraList const& vOverRideCS = caster->GetAurasByType(SPELL_AURA_DUMMY);
                    for (AuraList::const_iterator k = vOverRideCS.begin(); k != vOverRideCS.end(); ++k)
                    {
                        switch ((*k)->GetModifier()->m_miscvalue)
                        {
                            case 5065:                      // Rank 1
                            case 5064:                      // Rank 2
                            {
                                if (RemainingDamage >= currentAbsorb)
                                {
                                    reflectDamage = (*k)->GetModifier()->m_amount * currentAbsorb / 100;
                                }
                                else
                                {
                                    reflectDamage = (*k)->GetModifier()->m_amount * RemainingDamage / 100;
                                }
                                reflectSpell = 33619;
                                reflectTriggeredBy = *i;
                                reflectTriggeredBy->SetInUse(true);// lock aura from final deletion until processing
                            } break;
                            default: break;
                        }
                    }
                    break;
                }
                break;
            }
            case SPELLFAMILY_SHAMAN:
            {
                // Astral Shift
                if (spellProto->SpellIconID == 3066)
                {
                    // reduces all damage taken while stun, fear or silence
                    if (unitflag & (UNIT_FLAG_STUNNED | UNIT_FLAG_FLEEING | UNIT_FLAG_SILENCED))
                    {
                        RemainingDamage -= RemainingDamage * currentAbsorb / 100;
                    }
                    continue;
                }
                break;
            }
            case SPELLFAMILY_DEATHKNIGHT:
            {
                // Shadow of Death
                if (spellProto->SpellIconID == 1958)
                {
                    // TODO: absorb only while transform
                    continue;
                }
                // Anti-Magic Shell (on self)
                if (spellProto->Id == 48707)
                {
                    // damage absorbed by Anti-Magic Shell energizes the DK with additional runic power.
                    // This, if I'm not mistaken, shows that we get back ~2% of the absorbed damage as runic power.
                    int32 absorbed = RemainingDamage * currentAbsorb / 100;
                    int32 regen = absorbed * 2 / 10;
                    CastCustomSpell(this, 49088, &regen, NULL, NULL, true, NULL, *i);
                    RemainingDamage -= absorbed;
                    continue;
                }
                // Anti-Magic Shell (on single party/raid member)
                if (spellProto->Id == 50462)
                {
                    RemainingDamage -= RemainingDamage * currentAbsorb / 100;
                    continue;
                }
                // Anti-Magic Zone
                if (spellProto->Id == 50461)
                {
                    Unit* caster = (*i)->GetCaster();
                    if (!caster)
                    {
                        continue;
                    }
                    int32 absorbed = RemainingDamage * currentAbsorb / 100;
                    int32 canabsorb = caster->GetHealth();
                    if (canabsorb < absorbed)
                    {
                        absorbed = canabsorb;
                    }

                    RemainingDamage -= absorbed;

                    uint32 ab_damage = absorbed;
                    pCaster->DealDamageMods(caster, ab_damage, NULL);
                    pCaster->DealDamage(caster, ab_damage, NULL, damagetype, schoolMask, 0, false);
                    continue;
                }
                break;
            }
            default:
                break;
        }

        // currentAbsorb - damage can be absorbed by shield
        // If need absorb less damage
        if (RemainingDamage < currentAbsorb)
        {
            currentAbsorb = RemainingDamage;
        }

        RemainingDamage -= currentAbsorb;

        // Fire Ward or Frost Ward or Ice Barrier (or Mana Shield)
        // for Incanter's Absorption converting to spell power
        if (spellProto->IsFitToFamily(SPELLFAMILY_MAGE, UI64LIT(0x0000000000000000), 0x00000008))
        {
            incanterAbsorption += currentAbsorb;
        }

        // Reduce shield amount
        mod->m_amount -= currentAbsorb;
        if ((*i)->GetHolder()->DropAuraCharge())
        {
            mod->m_amount = 0;
        }
        // Need remove it later
        if (mod->m_amount <= 0)
        {
            existExpired = true;
        }
    }

    // Remove all expired absorb auras
    if (existExpired)
    {
        for (AuraList::const_iterator i = vSchoolAbsorb.begin(); i != vSchoolAbsorb.end();)
        {
            if ((*i)->GetModifier()->m_amount <= 0)
            {
                RemoveAurasDueToSpell((*i)->GetId(), NULL, AURA_REMOVE_BY_SHIELD_BREAK);
                i = vSchoolAbsorb.begin();
            }
            else
            {
                ++i;
            }
        }
    }

    // Cast back reflect damage spell
    if (canReflect && reflectSpell)
    {
        CastCustomSpell(pCaster, reflectSpell, &reflectDamage, NULL, NULL, true, NULL, reflectTriggeredBy);
        reflectTriggeredBy->SetInUse(false);                // free lock from deletion
    }

    // absorb by mana cost
    AuraList const& vManaShield = GetAurasByType(SPELL_AURA_MANA_SHIELD);
    for (AuraList::const_iterator i = vManaShield.begin(), next; i != vManaShield.end() && RemainingDamage > 0; i = next)
    {
        next = i; ++next;

        // check damage school mask
        if (((*i)->GetModifier()->m_miscvalue & schoolMask) == 0)
        {
            continue;
        }

        int32 currentAbsorb;
        if (RemainingDamage >= (*i)->GetModifier()->m_amount)
        {
            currentAbsorb = (*i)->GetModifier()->m_amount;
        }
        else
        {
            currentAbsorb = RemainingDamage;
        }

        SpellEffectEntry const* spellEffect = (*i)->GetSpellProto()->GetSpellEffect((*i)->GetEffIndex());

        if (float manaMultiplier = (spellEffect ? spellEffect->EffectMultipleValue : 0))
        {
            if (Player* modOwner = GetSpellModOwner())
            {
                modOwner->ApplySpellMod((*i)->GetId(), SPELLMOD_MULTIPLE_VALUE, manaMultiplier);
            }

            int32 maxAbsorb = int32(GetPower(POWER_MANA) / manaMultiplier);
            if (currentAbsorb > maxAbsorb)
            {
                currentAbsorb = maxAbsorb;
            }

            int32 manaReduction = int32(currentAbsorb * manaMultiplier);
            ApplyPowerMod(POWER_MANA, manaReduction, false);
        }

        // Mana Shield (or Fire Ward or Frost Ward or Ice Barrier)
        // for Incanter's Absorption converting to spell power
        if ((*i)->GetSpellProto()->IsFitToFamily(SPELLFAMILY_MAGE, UI64LIT(0x0000000000000000), 0x000008))
        {
            incanterAbsorption += currentAbsorb;
        }

        (*i)->GetModifier()->m_amount -= currentAbsorb;
        if ((*i)->GetModifier()->m_amount <= 0)
        {
            RemoveAurasDueToSpell((*i)->GetId());
            next = vManaShield.begin();
        }

        RemainingDamage -= currentAbsorb;
    }

    // effects dependent from full absorb amount
    // Incanter's Absorption, if have affective absorbing
    if (incanterAbsorption)
    {
        Unit::AuraList const& auras = GetAurasByType(SPELL_AURA_DUMMY);
        for (Unit::AuraList::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
        {
            SpellEntry const* itr_spellProto = (*itr)->GetSpellProto();

            // Incanter's Absorption
            if (itr_spellProto->GetSpellFamilyName() == SPELLFAMILY_GENERIC &&
                itr_spellProto->SpellIconID == 2941)
            {
                int32 amount = int32(incanterAbsorption * (*itr)->GetModifier()->m_amount / 100);

                // apply normalized part of already accumulated amount in aura
                if (Aura* spdAura = GetAura(44413, EFFECT_INDEX_0))
                {
                    amount += spdAura->GetModifier()->m_amount * spdAura->GetAuraDuration() / spdAura->GetAuraMaxDuration();
                }

                // Incanter's Absorption (triggered absorb based spell power, will replace existing if any)
                CastCustomSpell(this, 44413, &amount, NULL, NULL, true);
                break;
            }
        }
    }

    // only split damage if not damaging yourself
    if (pCaster != this)
    {
        AuraList const& vSplitDamagePct = GetAurasByType(SPELL_AURA_SPLIT_DAMAGE_PCT);
        for (AuraList::const_iterator i = vSplitDamagePct.begin(), next; i != vSplitDamagePct.end() && RemainingDamage >= 0; i = next)
        {
            next = i; ++next;

            // check damage school mask
            if (((*i)->GetModifier()->m_miscvalue & schoolMask) == 0)
            {
                continue;
            }

            // Damage can be splitted only if aura has an alive caster
            Unit* caster = (*i)->GetCaster();
            if (!caster || caster == this || !caster->IsInWorld() || !caster->IsAlive())
            {
                continue;
            }

            uint32 splitted = uint32(RemainingDamage * (*i)->GetModifier()->m_amount / 100.0f);

            RemainingDamage -=  int32(splitted);

            uint32 split_absorb = 0;
            pCaster->DealDamageMods(caster, splitted, &split_absorb);

            pCaster->SendSpellNonMeleeDamageLog(caster, (*i)->GetSpellProto()->Id, splitted, schoolMask, split_absorb, 0, false, 0, false);

            CleanDamage cleanDamage = CleanDamage(splitted, BASE_ATTACK, MELEE_HIT_NORMAL);
            pCaster->DealDamage(caster, splitted, &cleanDamage, DIRECT_DAMAGE, schoolMask, (*i)->GetSpellProto(), false);
        }
    }

    // Apply death prevention spells effects
    if (preventDeathSpell && RemainingDamage >= (int32)GetHealth())
    {
        switch(preventDeathSpell->GetSpellFamilyName())
        {
                // Cheat Death
            case SPELLFAMILY_ROGUE:
            {
                // Cheat Death
                if (preventDeathSpell->SpellIconID == 2109)
                {
                    CastSpell(this, 31231, true);
                    ((Player*)this)->AddSpellCooldown(31231, 0, time(NULL) + 60);
                    // with health > 10% lost health until health==10%, in other case no losses
                    uint32 health10 = GetMaxHealth() / 10;
                    RemainingDamage = GetHealth() > health10 ? GetHealth() - health10 : 0;
                }
                break;
            }
            // Guardian Spirit
            case SPELLFAMILY_PRIEST:
            {
                // Guardian Spirit
                if (preventDeathSpell->SpellIconID == 2873)
                {
                    int32 healAmount = GetMaxHealth() * preventDeathAmount / 100;
                    CastCustomSpell(this, 48153, &healAmount, NULL, NULL, true);
                    RemoveAurasDueToSpell(preventDeathSpell->Id);
                    RemainingDamage = 0;
                }
                break;
            }
        }
    }

    *absorb = damage - RemainingDamage - *resist;
}

void Unit::CalculateAbsorbResistBlock(Unit* pCaster, SpellNonMeleeDamage* damageInfo, SpellEntry const* spellProto, WeaponAttackType attType)
{
    bool blocked = false;
    // Get blocked status
    switch (spellProto->GetDmgClass())
    {
            // Melee and Ranged Spells
        case SPELL_DAMAGE_CLASS_RANGED:
        case SPELL_DAMAGE_CLASS_MELEE:
            blocked = IsSpellBlocked(pCaster, spellProto, attType);
            break;
        default:
            break;
    }

    if (blocked)
    {
        damageInfo->blocked = uint32(damageInfo->damage * GetShieldBlockDamageValue() / 100.0f);
        if (damageInfo->damage < damageInfo->blocked)
        {
            damageInfo->blocked = damageInfo->damage;
        }
        damageInfo->damage -= damageInfo->blocked;
    }

    uint32 absorb_affected_damage = pCaster->CalcNotIgnoreAbsorbDamage(damageInfo->damage, GetSpellSchoolMask(spellProto), spellProto);
    CalculateDamageAbsorbAndResist(pCaster, GetSpellSchoolMask(spellProto), SPELL_DIRECT_DAMAGE, absorb_affected_damage, &damageInfo->absorb, &damageInfo->resist, !spellProto->HasAttribute(SPELL_ATTR_EX_CANT_REFLECTED));
    damageInfo->damage -= damageInfo->absorb + damageInfo->resist;
}

void Unit::CalculateHealAbsorb(const uint32 heal, uint32* absorb)
{
    if (!IsAlive() || !heal)
    {
        return;
    }

    int32 RemainingHeal = heal;

    // Need remove expired auras after
    bool existExpired = false;

    // absorb
    AuraList const& vHealAbsorb = GetAurasByType(SPELL_AURA_HEAL_ABSORB);
    for (AuraList::const_iterator i = vHealAbsorb.begin(); i != vHealAbsorb.end() && RemainingHeal > 0; ++i)
    {
        Modifier* mod = (*i)->GetModifier();

        // Max Amount can be absorbed by this aura
        int32  currentAbsorb = mod->m_amount;

        // Found empty aura (impossible but..)
        if (currentAbsorb <= 0)
        {
            existExpired = true;
            continue;
        }

        // currentAbsorb - heal can be absorbed
        // If need absorb less heal
        if (RemainingHeal < currentAbsorb)
        {
            currentAbsorb = RemainingHeal;
        }

        RemainingHeal -= currentAbsorb;

        // Reduce aura amount
        mod->m_amount -= currentAbsorb;
        if ((*i)->GetHolder()->DropAuraCharge())
        {
            mod->m_amount = 0;
        }
        // Need remove it later
        if (mod->m_amount <= 0)
        {
            existExpired = true;
        }
    }

    // Remove all expired absorb auras
    if (existExpired)
    {
        for (AuraList::const_iterator i = vHealAbsorb.begin(); i != vHealAbsorb.end();)
        {
            if ((*i)->GetModifier()->m_amount <= 0)
            {
                RemoveAurasDueToSpell((*i)->GetId(), NULL, AURA_REMOVE_BY_SHIELD_BREAK);
                i = vHealAbsorb.begin();
            }
            else
            {
                ++i;
            }
        }
    }

    *absorb = heal - RemainingHeal;
}

void Unit::AttackerStateUpdate(Unit* pVictim, WeaponAttackType attType, bool extra)
{
    if (hasUnitState(UNIT_STAT_CAN_NOT_REACT) || HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PACIFIED))
    {
        return;
    }

    if (!pVictim->IsAlive())
    {
        return;
    }

    if (IsNonMeleeSpellCasted(false))
    {
        return;
    }

    if (attType == RANGED_ATTACK)
    {
        return;                                             // ignore ranged case
    }

    uint32 extraAttacks = m_extraAttacks;

    // melee attack spell casted at main hand attack only
    if (attType == BASE_ATTACK && m_currentSpells[CURRENT_MELEE_SPELL])
    {
        m_currentSpells[CURRENT_MELEE_SPELL]->cast();

        // not recent extra attack only at any non extra attack (melee spell case)
        if (!extra && extraAttacks)
        {
            while (m_extraAttacks)
            {
                AttackerStateUpdate(pVictim, BASE_ATTACK, true);
                if (m_extraAttacks > 0)
                {
                    --m_extraAttacks;
                }
            }
        }
        return;
    }

    RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_MELEE_ATTACK);

    // attack can be redirected to another target
    pVictim = SelectMagnetTarget(pVictim);

    CalcDamageInfo damageInfo;
    CalculateMeleeDamage(pVictim, &damageInfo, attType);
    // Send log damage message to client
    DealDamageMods(pVictim, damageInfo.damage, &damageInfo.absorb);
    SendAttackStateUpdate(&damageInfo);
    ProcDamageAndSpell(damageInfo.target, damageInfo.procAttacker, damageInfo.procVictim, damageInfo.procEx, damageInfo.damage, damageInfo.attackType);
    DealMeleeDamage(&damageInfo, true);

    if (GetTypeId() == TYPEID_PLAYER)
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "AttackerStateUpdate: (Player) %u attacked %u (TypeId: %u) for %u dmg, absorbed %u, blocked %u, resisted %u.",
                         GetGUIDLow(), pVictim->GetGUIDLow(), pVictim->GetTypeId(), damageInfo.damage, damageInfo.absorb, damageInfo.blocked_amount, damageInfo.resist);
    else
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "AttackerStateUpdate: (NPC)    %u attacked %u (TypeId: %u) for %u dmg, absorbed %u, blocked %u, resisted %u.",
                         GetGUIDLow(), pVictim->GetGUIDLow(), pVictim->GetTypeId(), damageInfo.damage, damageInfo.absorb, damageInfo.blocked_amount, damageInfo.resist);

    if (Unit* owner = GetOwner())
        if (owner->GetTypeId() == TYPEID_UNIT)
        {
            owner->SetInCombatWith(pVictim);
            owner->AddThreat(pVictim);
            pVictim->SetInCombatWith(owner);
        }

    for (GuidSet::const_iterator itr = m_guardianPets.begin(); itr != m_guardianPets.end(); ++itr)
        if (Unit* pet = (Unit*)GetMap()->GetPet(*itr))
        {
            pet->SetInCombatWith(pVictim);
            pet->AddThreat(pVictim);
            pVictim->SetInCombatWith(pet);
        }

    // if damage pVictim call AI reaction
    pVictim->AttackedBy(this);

    // extra attack only at any non extra attack (normal case)
    if (!extra && extraAttacks)
    {
        while (m_extraAttacks)
        {
            AttackerStateUpdate(pVictim, BASE_ATTACK, true);
            if (m_extraAttacks > 0)
            {
                --m_extraAttacks;
            }
        }
    }
}

MeleeHitOutcome Unit::RollMeleeOutcomeAgainst(const Unit* pVictim, WeaponAttackType attType) const
{
    // This is only wrapper

    // Miss chance based on melee
    float miss_chance = MeleeMissChanceCalc(pVictim, attType);

    // Critical hit chance
    float crit_chance = GetUnitCriticalChance(attType, pVictim);

    // stunned target cannot dodge and this is check in GetUnitDodgeChance() (returned 0 in this case)
    float dodge_chance = pVictim->GetUnitDodgeChance();
    float block_chance = pVictim->GetUnitBlockChance();
    float parry_chance = pVictim->GetUnitParryChance();

    // Useful if want to specify crit & miss chances for melee, else it could be removed
    DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "MELEE OUTCOME: miss %f crit %f dodge %f parry %f block %f", miss_chance, crit_chance, dodge_chance, parry_chance, block_chance);

    return RollMeleeOutcomeAgainst(pVictim, attType, int32(crit_chance * 100), int32(miss_chance * 100), int32(dodge_chance * 100), int32(parry_chance * 100), int32(block_chance * 100));
}

MeleeHitOutcome Unit::RollMeleeOutcomeAgainst(const Unit* pVictim, WeaponAttackType attType, int32 crit_chance, int32 miss_chance, int32 dodge_chance, int32 parry_chance, int32 block_chance) const
{
    if (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->IsInEvadeMode())
    {
        return MELEE_HIT_EVADE;
    }

    int32 attackerMaxSkillValueForLevel = GetMaxSkillValueForLevel(pVictim);
    int32 victimMaxSkillValueForLevel = pVictim->GetMaxSkillValueForLevel(this);

    // bonus from skills is 0.04%
    int32 skillBonus  = 4 * (attackerMaxSkillValueForLevel - victimMaxSkillValueForLevel);
    int32 sum = 0, tmp = 0;
    int32 roll = urand(0, 10000);

    DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: skill bonus of %d for attacker", skillBonus);
    DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: rolled %d, miss %d, dodge %d, parry %d, block %d, crit %d",
                     roll, miss_chance, dodge_chance, parry_chance, block_chance, crit_chance);

    if (tmp > 0 && roll < (sum += tmp))
    {
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: MISS");
        return MELEE_HIT_MISS;
    }

    // always crit against a sitting target (except 0 crit chance)
    if (pVictim->GetTypeId() == TYPEID_PLAYER && crit_chance > 0 && !pVictim->IsStandState())
    {
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: CRIT (sitting victim)");
        return MELEE_HIT_CRIT;
    }

    bool from_behind = !pVictim->HasInArc(M_PI_F, this);

    if (from_behind)
    {
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: attack came from behind.");
    }

    // Dodge chance

    // only players can't dodge if attacker is behind
    if (pVictim->GetTypeId() != TYPEID_PLAYER || !from_behind)
    {
        // Reduce dodge chance by attacker expertise rating
        if (GetTypeId() == TYPEID_PLAYER)
        {
            dodge_chance -= int32(((Player*)this)->GetExpertiseDodgeOrParryReduction(attType) * 100);
        }
        else
        {
            dodge_chance -= GetTotalAuraModifier(SPELL_AURA_MOD_EXPERTISE) * 25;
        }

        // Modify dodge chance by attacker SPELL_AURA_MOD_COMBAT_RESULT_CHANCE
        dodge_chance += GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_COMBAT_RESULT_CHANCE, VICTIMSTATE_DODGE) * 100;

        tmp = dodge_chance;
        if ((tmp > 0)                                       // check if unit _can_ dodge
                && ((tmp -= skillBonus) > 0)
                && roll < (sum += tmp))
        {
            DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: DODGE <%d, %d)", sum - tmp, sum);
            return MELEE_HIT_DODGE;
        }
    }

    // parry chances
    // check if attack comes from behind, nobody can parry or block if attacker is behind if not have
    if (!from_behind || pVictim->HasAuraType(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT))
    {
        // Reduce parry chance by attacker expertise rating
        if (GetTypeId() == TYPEID_PLAYER)
        {
            parry_chance -= int32(((Player*)this)->GetExpertiseDodgeOrParryReduction(attType) * 100);
        }
        else
        {
            parry_chance -= GetTotalAuraModifier(SPELL_AURA_MOD_EXPERTISE) * 25;
        }

        if (parry_chance > 0 && (pVictim->GetTypeId() == TYPEID_PLAYER || !(((Creature*)pVictim)->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_NO_PARRY)))
        {
            parry_chance -= skillBonus;

            // if (from_behind) -- only 100% currently and not 100% sure way value apply
            //    parry_chance = int32(parry_chance * (pVictim->GetTotalAuraMultiplier(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT) - 1);

            if (parry_chance > 0 &&                         // check if unit _can_ parry
                    (roll < (sum += parry_chance)))
            {
                DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: PARRY <%d, %d)", sum - parry_chance, sum);
                return MELEE_HIT_PARRY;
            }
        }
    }

    // Max 25% chance to score a glancing blow against mobs that are higher level (can do only players and pets and not with ranged weapon)
    if (attType != RANGED_ATTACK &&
            (GetTypeId() == TYPEID_PLAYER || ((Creature*)this)->IsPet()) &&
            pVictim->GetTypeId() != TYPEID_PLAYER && !((Creature*)pVictim)->IsPet() &&
            getLevel() < pVictim->GetLevelForTarget(this))
    {
        // cap possible value (with bonuses > max skill)
        int32 skill = attackerMaxSkillValueForLevel;

        tmp = (10 + (victimMaxSkillValueForLevel - skill)) * 100;
        tmp = tmp > 2500 ? 2500 : tmp;
        if (roll < (sum += tmp))
        {
            DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: GLANCING <%d, %d)", sum - 2500, sum);
            return MELEE_HIT_GLANCING;
        }
    }

    // block chances
    // check if attack comes from behind, nobody can parry or block if attacker is behind
    if (!from_behind)
    {
        if (pVictim->GetTypeId() == TYPEID_PLAYER || !(((Creature*)pVictim)->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_NO_BLOCK))
        {
            tmp = block_chance;
            if ((tmp > 0)                                   // check if unit _can_ block
                    && ((tmp -= skillBonus) > 0)
                    && (roll < (sum += tmp)))
            {
                DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: BLOCK <%d, %d)", sum - tmp, sum);
                return MELEE_HIT_BLOCK;
            }
        }
    }

    // Critical chance
    tmp = crit_chance;

    if (tmp > 0 && roll < (sum += tmp))
    {
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: CRIT <%d, %d)", sum - tmp, sum);
        return MELEE_HIT_CRIT;
    }

    // mobs can score crushing blows if they're 4 or more levels above victim
    // having defense above your maximum (from items, talents etc.) has no effect
    // mob's level * 5 - player's current defense skill - add 2% chance per lacking skill point, min. is 20%
    if ((getLevel() - 4) >= pVictim->getLevel() && !IsNonMeleeSpellCasted(false) /* It should have been !spellCasted but wrath doesn't have that? */
        && roll < (tmp = (((attackerMaxSkillValueForLevel - tmp) * 200) - 2000)))
    {
        uint32 typeId = GetTypeId();
        /* It should have been !(((Creature*)this)->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_NO_CRUSH) but wrath doesn't have that? */
        if ((typeId == TYPEID_UNIT && !(GetOwnerGuid() && GetOwner()->GetTypeId() == TYPEID_PLAYER)
            && !(static_cast<Creature const*>(this)->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_NO_CRUSH))
            || (typeId == TYPEID_PLAYER && GetCharmerGuid() && GetCharmer()->GetTypeId() == TYPEID_UNIT))
        {
            DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: CRUSHING %d)", tmp);
            return MELEE_HIT_CRUSHING;
        }
    }

    DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "RollMeleeOutcomeAgainst: NORMAL");
    return MELEE_HIT_NORMAL;
}

uint32 Unit::CalculateDamage(WeaponAttackType attType, bool normalized)
{
    float min_damage, max_damage;

    if (normalized && GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->CalculateMinMaxDamage(attType, normalized, min_damage, max_damage);
    }
    else
    {
        switch (attType)
        {
            case RANGED_ATTACK:
                min_damage = GetFloatValue(UNIT_FIELD_MINRANGEDDAMAGE);
                max_damage = GetFloatValue(UNIT_FIELD_MAXRANGEDDAMAGE);
                break;
            case BASE_ATTACK:
                min_damage = GetFloatValue(UNIT_FIELD_MINDAMAGE);
                max_damage = GetFloatValue(UNIT_FIELD_MAXDAMAGE);
                break;
            case OFF_ATTACK:
                min_damage = GetFloatValue(UNIT_FIELD_MINOFFHANDDAMAGE);
                max_damage = GetFloatValue(UNIT_FIELD_MAXOFFHANDDAMAGE);
                break;
                // Just for good manner
            default:
                min_damage = 0.0f;
                max_damage = 0.0f;
                break;
        }
    }

    if (min_damage > max_damage)
    {
        std::swap(min_damage, max_damage);
    }

    if (max_damage == 0.0f)
    {
        max_damage = 5.0f;
    }

    return urand((uint32)min_damage, (uint32)max_damage);
}

float Unit::CalculateLevelPenalty(SpellEntry const* spellProto) const
{
    uint32 spellLevel = spellProto->GetSpellLevel();
    if (spellLevel <= 0 || spellLevel > spellProto->GetMaxLevel())
    {
        return 1.0f;
    }

    float LvlPenalty = 0.0f;

    if (spellLevel < 20)
    {
        LvlPenalty = 20.0f - spellLevel * 3.75f;
    }
    float LvlFactor = (float(spellLevel) + 6.0f) / float(getLevel());
    if (LvlFactor > 1.0f)
    {
        LvlFactor = 1.0f;
    }

    return (100.0f - LvlPenalty) * LvlFactor / 100.0f;
}

void Unit::SendMeleeAttackStart(Unit* pVictim)
{
    WorldPacket data(SMSG_ATTACKSTART, 8 + 8);
    data << GetObjectGuid();
    data << pVictim->GetObjectGuid();

    SendMessageToSet(&data, true);
    DEBUG_LOG("WORLD: Sent SMSG_ATTACKSTART");
}

void Unit::SendMeleeAttackStop(Unit* victim)
{
    if (!victim)
    {
        return;
    }

    WorldPacket data(SMSG_ATTACKSTOP, (4 + 16));            // we guess size
    data << GetPackGUID();
    data << victim->GetPackGUID();                          // can be 0x00...
    data << uint32(0);                                      // can be 0x1
    SendMessageToSet(&data, true);
    DETAIL_FILTER_LOG(LOG_FILTER_COMBAT, "%s %u stopped attacking %s %u", (GetTypeId() == TYPEID_PLAYER ? "player" : "creature"), GetGUIDLow(), (victim->GetTypeId() == TYPEID_PLAYER ? "player" : "creature"), victim->GetGUIDLow());

    /*if(victim->GetTypeId() == TYPEID_UNIT)
    ((Creature*)victim)->AI().EnterEvadeMode(this);*/
}

bool Unit::IsSpellBlocked(Unit* pCaster, SpellEntry const* spellEntry, WeaponAttackType attackType)
{
    if (!HasInArc(M_PI_F, pCaster))
    {
        return false;
    }

    if (spellEntry)
    {
        // Some spells cannot be blocked
        if (spellEntry->HasAttribute(SPELL_ATTR_IMPOSSIBLE_DODGE_PARRY_BLOCK))
        {
            return false;
        }
    }

    /*
    // Ignore combat result aura (parry/dodge check on prepare)
    AuraList const& ignore = GetAurasByType(SPELL_AURA_IGNORE_COMBAT_RESULT);
    for(AuraList::const_iterator i = ignore.begin(); i != ignore.end(); ++i)
    {
        if (!(*i)->isAffectedOnSpell(spellProto))
        {
            continue;
        }
        if ((*i)->GetModifier()->m_miscvalue == ???)
        {
            return false;
        }
    }
    */

    // Check creatures ExtraFlags for disable block
    if (GetTypeId() == TYPEID_UNIT)
    {
        if (((Creature*)this)->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_NO_BLOCK)
        {
            return false;
        }
    }

    float blockChance = GetUnitBlockChance();
    // For each point of difference between the attacker's level and the defender's level,
    // the block chance is modified by 0.5% if the target is a mob and 0.2% if the target is a player.
    blockChance += (getLevel() - pCaster->GetLevelForTarget(this)) * (pCaster->GetTypeId() == TYPEID_PLAYER ? 0.2f : 0.5f);
    if (blockChance < 0.0f)
    {
        blockChance = 0.0f;
    }

    return roll_chance_f(blockChance);
}

// Melee based spells can be miss, parry or dodge on this step
// Crit or block - determined on damage calculation phase! (and can be both in some time)
float Unit::MeleeSpellMissChance(Unit* pVictim, WeaponAttackType attType, int32 skillDiff, SpellEntry const* spell)
{
    // Calculate hit chance (more correct for chance mod)
    float hitChance = 0.0f;

    // PvP - PvE melee chances
    // TODO: implement diminishing returns for defense from player's defense rating
    // pure skill diff is not sufficient since 3.x anymore, but exact formulas hard to research
    if (pVictim->GetTypeId() == TYPEID_PLAYER)
    {
        hitChance = 95.0f + skillDiff * 0.04f;
    }
    else if (skillDiff < -10)
    {
        hitChance = 94.0f + (skillDiff + 10) * 0.4f;
    }
    else
    {
        hitChance = 95.0f + skillDiff * 0.1f;
    }

    // Hit chance depends from victim auras
    if (attType == RANGED_ATTACK)
    {
        hitChance += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_RANGED_HIT_CHANCE);
    }
    else
    {
        hitChance += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_MELEE_HIT_CHANCE);
    }

    // Spellmod from SPELLMOD_RESIST_MISS_CHANCE
    if (Player* modOwner = GetSpellModOwner())
    {
        modOwner->ApplySpellMod(spell->Id, SPELLMOD_RESIST_MISS_CHANCE, hitChance);
    }

    // Miss = 100 - hit
    float missChance = 100.0f - hitChance;

    // Bonuses from attacker aura and ratings
    if (attType == RANGED_ATTACK)
    {
        missChance -= m_modRangedHitChance;
    }
    else
    {
        missChance -= m_modMeleeHitChance;
    }

    // Limit miss chance from 0 to 60%
    if (missChance < 0.0f)
    {
        return 0.0f;
    }
    if (missChance > 60.0f)
    {
        return 60.0f;
    }
    return missChance;
}

// Melee based spells hit result calculations
SpellMissInfo Unit::MeleeSpellHitResult(Unit* pVictim, SpellEntry const* spell)
{
    WeaponAttackType attType = BASE_ATTACK;

    if (spell->GetDmgClass() == SPELL_DAMAGE_CLASS_RANGED)
    {
        attType = RANGED_ATTACK;
    }

    // bonus from skills is 0.04% per skill Diff
    int32 attackerWeaponSkill = GetMaxSkillValueForLevel();
    int32 skillDiff = attackerWeaponSkill - int32(pVictim->GetMaxSkillValueForLevel(this));

    uint32 roll = urand(0, 10000);

    uint32 missChance = uint32(MeleeSpellMissChance(pVictim, attType, skillDiff, spell) * 100.0f);
    // Roll miss
    uint32 tmp = spell->HasAttribute(SPELL_ATTR_EX3_CANT_MISS) ? 0 : missChance;
    if (roll < tmp)
    {
        return SPELL_MISS_MISS;
    }

    // Chance resist mechanic (select max value from every mechanic spell effect)
    int32 resist_mech = 0;
    // Get effects mechanic and chance
    for (int eff = 0; eff < MAX_EFFECT_INDEX; ++eff)
    {
        int32 effect_mech = GetEffectMechanic(spell, SpellEffectIndex(eff));
        if (effect_mech)
        {
            int32 temp = pVictim->GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_MECHANIC_RESISTANCE, effect_mech);
            if (resist_mech < temp * 100)
            {
                resist_mech = temp * 100;
            }
        }
    }
    // Roll chance
    tmp += resist_mech;
    if (roll < tmp)
    {
        return SPELL_MISS_RESIST;
    }

    bool canDodge = true;
    bool canParry = true;

    // Same spells cannot be parry/dodge
    if (spell->HasAttribute(SPELL_ATTR_IMPOSSIBLE_DODGE_PARRY_BLOCK))
    {
        return SPELL_MISS_NONE;
    }

    bool from_behind = !pVictim->HasInArc(M_PI_F, this);

    // Ranged attack cannot be parry/dodge only deflect
    if (attType == RANGED_ATTACK)
    {
        // only if in front or special ability
        if (!from_behind || pVictim->HasAuraType(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT))
        {
            int32 deflect_chance = pVictim->GetTotalAuraModifier(SPELL_AURA_DEFLECT_SPELLS) * 100;

            // if (from_behind) -- only 100% currently and not 100% sure way value apply
            //    deflect_chance = int32(deflect_chance * (pVictim->GetTotalAuraMultiplier(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT) - 1);

            tmp += deflect_chance;
            if (roll < tmp)
            {
                return SPELL_MISS_DEFLECT;
            }
        }
        return SPELL_MISS_NONE;
    }

    // Check for attack from behind
    if (from_behind)
    {
        // Can`t dodge from behind in PvP (but its possible in PvE)
        if (GetTypeId() == TYPEID_PLAYER && pVictim->GetTypeId() == TYPEID_PLAYER)
        {
            canDodge = false;
        }
        // Can`t parry without special ability
        if (!pVictim->HasAuraType(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT))
        {
            canParry = false;
        }
    }
    // Check creatures ExtraFlags for disable parry
    if (pVictim->GetTypeId() == TYPEID_UNIT)
    {
        uint32 flagEx = ((Creature*)pVictim)->GetCreatureInfo()->ExtraFlags;
        if (flagEx & CREATURE_FLAG_EXTRA_NO_PARRY)
        {
            canParry = false;
        }
    }
    // Ignore combat result aura
    AuraList const& ignore = GetAurasByType(SPELL_AURA_IGNORE_COMBAT_RESULT);
    for (AuraList::const_iterator i = ignore.begin(); i != ignore.end(); ++i)
    {
        if (!(*i)->isAffectedOnSpell(spell))
        {
            continue;
        }
        switch ((*i)->GetModifier()->m_miscvalue)
        {
            case MELEE_HIT_DODGE: canDodge = false; break;
            case MELEE_HIT_BLOCK: break; // Block check in hit step
            case MELEE_HIT_PARRY: canParry = false; break;
            default:
                DEBUG_LOG("Spell %u SPELL_AURA_IGNORE_COMBAT_RESULT have unhandled state %d", (*i)->GetId(), (*i)->GetModifier()->m_miscvalue);
                break;
        }
    }

    if (canDodge)
    {
        // Roll dodge
        int32 dodgeChance = int32(pVictim->GetUnitDodgeChance() * 100.0f) - skillDiff * 4;
        // Reduce enemy dodge chance by SPELL_AURA_MOD_COMBAT_RESULT_CHANCE
        dodgeChance += GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_COMBAT_RESULT_CHANCE, VICTIMSTATE_DODGE) * 100;
        // Reduce dodge chance by attacker expertise rating
        if (GetTypeId() == TYPEID_PLAYER)
        {
            dodgeChance -= int32(((Player*)this)->GetExpertiseDodgeOrParryReduction(attType) * 100.0f);
        }
        else
        {
            dodgeChance -= GetTotalAuraModifier(SPELL_AURA_MOD_EXPERTISE) * 25;
        }
        if (dodgeChance < 0)
        {
            dodgeChance = 0;
        }

        tmp += dodgeChance;
        if (roll < tmp)
        {
            return SPELL_MISS_DODGE;
        }
    }

    if (canParry)
    {
        // Roll parry
        int32 parryChance = int32(pVictim->GetUnitParryChance() * 100.0f)  - skillDiff * 4;
        // Reduce parry chance by attacker expertise rating
        if (GetTypeId() == TYPEID_PLAYER)
        {
            parryChance -= int32(((Player*)this)->GetExpertiseDodgeOrParryReduction(attType) * 100.0f);
        }
        else
        {
            parryChance -= GetTotalAuraModifier(SPELL_AURA_MOD_EXPERTISE) * 25;
        }
        if (parryChance < 0)
        {
            parryChance = 0;
        }

        // if (from_behind) -- only 100% currently and not 100% sure way value apply
        //    parryChance = int32(parryChance * (pVictim->GetTotalAuraMultiplier(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT) - 1));

        tmp += parryChance;
        if (roll < tmp)
        {
            return SPELL_MISS_PARRY;
        }
    }

    return SPELL_MISS_NONE;
}

// TODO need use unit spell resistances in calculations
SpellMissInfo Unit::MagicSpellHitResult(Unit* pVictim, SpellEntry const* spell)
{
    // Can`t miss on dead target (on skinning for example)
    if (!pVictim->IsAlive())
    {
        return SPELL_MISS_NONE;
    }

    SpellSchoolMask schoolMask = GetSpellSchoolMask(spell);
    // PvP - PvE spell misschances per leveldif > 2
    int32 lchance = pVictim->GetTypeId() == TYPEID_PLAYER ? 7 : 11;
    int32 leveldif = int32(pVictim->GetLevelForTarget(this)) - int32(GetLevelForTarget(pVictim));

    // Base hit chance from attacker and victim levels
    int32 modHitChance;
    if (leveldif < 3)
    {
        modHitChance = 96 - leveldif;
    }
    else
    {
        modHitChance = 94 - (leveldif - 2) * lchance;
    }

    // Spellmod from SPELLMOD_RESIST_MISS_CHANCE
    if (Player* modOwner = GetSpellModOwner())
    {
        modOwner->ApplySpellMod(spell->Id, SPELLMOD_RESIST_MISS_CHANCE, modHitChance);
    }
    // Chance hit from victim SPELL_AURA_MOD_ATTACKER_SPELL_HIT_CHANCE auras
    modHitChance += pVictim->GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_ATTACKER_SPELL_HIT_CHANCE, schoolMask);
    // Reduce spell hit chance for dispel mechanic spells from victim SPELL_AURA_MOD_DISPEL_RESIST
    if (IsDispelSpell(spell))
    {
        modHitChance -= pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_DISPEL_RESIST);
    }
    // Chance resist mechanic (select max value from every mechanic spell effect)
    int32 resist_mech = 0;
    // Get effects mechanic and chance
    for (int eff = 0; eff < MAX_EFFECT_INDEX; ++eff)
    {
        int32 effect_mech = GetEffectMechanic(spell, SpellEffectIndex(eff));
        if (effect_mech)
        {
            int32 temp = pVictim->GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_MECHANIC_RESISTANCE, effect_mech);
            if (resist_mech < temp)
            {
                resist_mech = temp;
            }
        }
    }
    // Apply mod
    modHitChance -= resist_mech;

    int32 HitChance = modHitChance * 100;
    // Increase hit chance from attacker SPELL_AURA_MOD_SPELL_HIT_CHANCE and attacker ratings
    HitChance += int32(m_modSpellHitChance * 100.0f);


    if (HitChance <  100) HitChance =  100;
    {
        if (HitChance > 10000) HitChance = 10000;
    }

    int32 tmp = spell->HasAttribute(SPELL_ATTR_EX3_CANT_MISS) ? 0 : (10000 - HitChance);

    int32 rand = irand(0, 10000);

    if (rand < tmp)
    {
        return SPELL_MISS_MISS;
    }

    bool from_behind = !pVictim->HasInArc(M_PI_F, this);

    // cast by caster in front of victim or behind with special ability
    if (!from_behind || pVictim->HasAuraType(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT))
    {
        int32 deflect_chance = pVictim->GetTotalAuraModifier(SPELL_AURA_DEFLECT_SPELLS) * 100;

        // if (from_behind) -- only 100% currently and not 100% sure way value apply
        //    deflect_chance = int32(deflect_chance * (pVictim->GetTotalAuraMultiplier(SPELL_AURA_MOD_PARRY_FROM_BEHIND_PERCENT)) - 1);

        tmp += deflect_chance;
        if (rand < tmp)
        {
            return SPELL_MISS_DEFLECT;
        }
    }

    return SPELL_MISS_NONE;
}

// Calculate spell hit result can be:
// Every spell can: Evade/Immune/Reflect/Sucesful hit
// For melee based spells:
//   Miss
//   Dodge
//   Parry
// For spells
//   Resist
SpellMissInfo Unit::SpellHitResult(Unit* pVictim, SpellEntry const* spell, bool CanReflect)
{
    // Return evade for units in evade mode
    if (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->IsInEvadeMode())
    {
        return SPELL_MISS_EVADE;
    }

    // Check for immune
    if (pVictim->IsImmuneToSpell(spell, this == pVictim) && !spell->HasAttribute(SPELL_ATTR_UNAFFECTED_BY_INVULNERABILITY))
    {
        return SPELL_MISS_IMMUNE;
    }

    // All positive spells can`t miss
    // TODO: client not show miss log for this spells - so need find info for this in dbc and use it!
    if (IsPositiveSpell(spell->Id))
    {
        return SPELL_MISS_NONE;
    }

    // Check for immune
    if (pVictim->IsImmunedToDamage(GetSpellSchoolMask(spell)) && !spell->HasAttribute(SPELL_ATTR_UNAFFECTED_BY_INVULNERABILITY))
    {
        return SPELL_MISS_IMMUNE;
    }

    // Try victim reflect spell
    if (CanReflect)
    {
        int32 reflectchance = pVictim->GetTotalAuraModifier(SPELL_AURA_REFLECT_SPELLS);
        Unit::AuraList const& mReflectSpellsSchool = pVictim->GetAurasByType(SPELL_AURA_REFLECT_SPELLS_SCHOOL);
        for (Unit::AuraList::const_iterator i = mReflectSpellsSchool.begin(); i != mReflectSpellsSchool.end(); ++i)
            if ((*i)->GetModifier()->m_miscvalue & GetSpellSchoolMask(spell))
            {
                reflectchance += (*i)->GetModifier()->m_amount;
            }
        if (reflectchance > 0 && roll_chance_i(reflectchance))
        {
            // Start triggers for remove charges if need (trigger only for victim, and mark as active spell)
            ProcDamageAndSpell(pVictim, PROC_FLAG_NONE, PROC_FLAG_TAKEN_NEGATIVE_SPELL_HIT, PROC_EX_REFLECT, 1, BASE_ATTACK, spell);
            return SPELL_MISS_REFLECT;
        }
    }

    switch (spell->GetDmgClass())
    {
        case SPELL_DAMAGE_CLASS_NONE:
            return SPELL_MISS_NONE;
        case SPELL_DAMAGE_CLASS_MAGIC:
            return MagicSpellHitResult(pVictim, spell);
        case SPELL_DAMAGE_CLASS_MELEE:
        case SPELL_DAMAGE_CLASS_RANGED:
            return MeleeSpellHitResult(pVictim, spell);
    }
    return SPELL_MISS_NONE;
}

float Unit::MeleeMissChanceCalc(const Unit* pVictim, WeaponAttackType attType) const
{
    if (!pVictim)
    {
        return 0.0f;
    }

    // Base misschance 5%
    float missChance = 5.0f;

    // DualWield - white damage has additional 19% miss penalty
    if (haveOffhandWeapon() && attType != RANGED_ATTACK)
    {
        bool isNormal = false;
        for (uint32 i = CURRENT_FIRST_NON_MELEE_SPELL; i < CURRENT_MAX_SPELL; ++i)
        {
            if (m_currentSpells[i] && (GetSpellSchoolMask(m_currentSpells[i]->m_spellInfo) & SPELL_SCHOOL_MASK_NORMAL))
            {
                isNormal = true;
                break;
            }
        }
        if (!isNormal && !m_currentSpells[CURRENT_MELEE_SPELL])
        {
            missChance += 19.0f;
        }
    }

    int32 skillDiff = int32(GetMaxSkillValueForLevel(pVictim)) - int32(pVictim->GetMaxSkillValueForLevel(this));

    // PvP - PvE melee chances
    // TODO: implement diminishing returns for defense from player's defense rating
    // pure skill diff is not sufficient since 3.x anymore, but exact formulas hard to research
    if (pVictim->GetTypeId() == TYPEID_PLAYER)
    {
        missChance -= skillDiff * 0.04f;
    }
    else if (skillDiff < -10)
    {
        missChance -= (skillDiff + 10) * 0.4f - 1.0f;
    }
    else
    {
        missChance -=  skillDiff * 0.1f;
    }

    // Hit chance bonus from attacker based on ratings and auras
    if (attType == RANGED_ATTACK)
    {
        missChance -= m_modRangedHitChance;
    }
    else
    {
        missChance -= m_modMeleeHitChance;
    }

    // Modify miss chance by victim auras
    if (attType == RANGED_ATTACK)
    {
        missChance -= pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_RANGED_HIT_CHANCE);
    }
    else
    {
        missChance -= pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_MELEE_HIT_CHANCE);
    }

    // Limit miss chance from 0 to 60%
    if (missChance < 0.0f)
    {
        return 0.0f;
    }
    if (missChance > 60.0f)
    {
        return 60.0f;
    }

    return missChance;
}

float Unit::GetUnitDodgeChance() const
{
    if (hasUnitState(UNIT_STAT_STUNNED))
    {
        return 0.0f;
    }
    if (GetTypeId() == TYPEID_PLAYER)
    {
        return GetFloatValue(PLAYER_DODGE_PERCENTAGE);
    }
    else
    {
        if (((Creature const*)this)->IsTotem())
        {
            return 0.0f;
        }
        else
        {
            float dodge = 5.0f;
            dodge += GetTotalAuraModifier(SPELL_AURA_MOD_DODGE_PERCENT);
            return dodge > 0.0f ? dodge : 0.0f;
        }
    }
}

float Unit::GetUnitParryChance() const
{
    if (IsNonMeleeSpellCasted(false) || hasUnitState(UNIT_STAT_STUNNED))
    {
        return 0.0f;
    }

    float chance = 0.0f;

    if (GetTypeId() == TYPEID_PLAYER)
    {
        Player const* player = (Player const*)this;
        if (player->CanParry())
        {
            Item* tmpitem = player->GetWeaponForAttack(BASE_ATTACK, true, true);
            if (!tmpitem)
            {
                tmpitem = player->GetWeaponForAttack(OFF_ATTACK, true, true);
            }

            if (tmpitem)
            {
                chance = GetFloatValue(PLAYER_PARRY_PERCENTAGE);
            }
        }
    }
    else if (GetTypeId() == TYPEID_UNIT)
    {
        if (GetCreatureType() == CREATURE_TYPE_HUMANOID)
        {
            chance = 5.0f;
            chance += GetTotalAuraModifier(SPELL_AURA_MOD_PARRY_PERCENT);
        }
    }

    return chance > 0.0f ? chance : 0.0f;
}

float Unit::GetUnitBlockChance() const
{
    if (IsNonMeleeSpellCasted(false) || hasUnitState(UNIT_STAT_STUNNED))
    {
        return 0.0f;
    }

    if (GetTypeId() == TYPEID_PLAYER)
    {
        Player const* player = (Player const*)this;
        if (player->CanBlock() && player->CanUseEquippedWeapon(OFF_ATTACK))
        {
            Item* tmpitem = player->GetItemByPos(INVENTORY_SLOT_BAG_0, EQUIPMENT_SLOT_OFFHAND);
            if (tmpitem && !tmpitem->IsBroken())
            {
                return GetFloatValue(PLAYER_BLOCK_PERCENTAGE);
            }
        }
        // is player but has no block ability or no not broken shield equipped
        return 0.0f;
    }
    else
    {
        if (((Creature const*)this)->IsTotem())
        {
            return 0.0f;
        }
        else
        {
            float block = 5.0f;
            block += GetTotalAuraModifier(SPELL_AURA_MOD_BLOCK_CHANCE_PERCENT);
            return block > 0.0f ? block : 0.0f;
        }
    }
}

float Unit::GetUnitCriticalChance(WeaponAttackType attackType, const Unit* pVictim) const
{
    float crit;

    if (GetTypeId() == TYPEID_PLAYER)
    {
        switch (attackType)
        {
            case OFF_ATTACK:
                crit = GetFloatValue(PLAYER_OFFHAND_CRIT_PERCENTAGE);
                break;
            case BASE_ATTACK:
                crit = GetFloatValue(PLAYER_CRIT_PERCENTAGE);
                break;
            case RANGED_ATTACK:
                crit = GetFloatValue(PLAYER_RANGED_CRIT_PERCENTAGE);
                break;
                // Just for good manner
            default:
                crit = 0.0f;
                break;
        }
    }
    else
    {
        crit = 5.0f;
        crit += GetTotalAuraModifier(SPELL_AURA_MOD_CRIT_PERCENT);
    }

    // flat aura mods
    if (attackType == RANGED_ATTACK)
    {
        crit += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_RANGED_CRIT_CHANCE);
    }
    else
    {
        crit += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_MELEE_CRIT_CHANCE);
    }

    crit += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_SPELL_AND_WEAPON_CRIT_CHANCE);

    if (crit < 0.0f)
    {
        crit = 0.0f;
    }
    return crit;
}

void Unit::_UpdateSpells(uint32 time)
{
    if (m_currentSpells[CURRENT_AUTOREPEAT_SPELL])
    {
        _UpdateAutoRepeatSpell();
    }

    // remove finished spells from current pointers
    for (uint32 i = 0; i < CURRENT_MAX_SPELL; ++i)
    {
        if (m_currentSpells[i] && m_currentSpells[i]->getState() == SPELL_STATE_FINISHED)
        {
            m_currentSpells[i]->SetReferencedFromCurrent(false);
            m_currentSpells[i] = NULL;                      // remove pointer
        }
    }

    // update auras
    // m_AurasUpdateIterator can be updated in inderect called code at aura remove to skip next planned to update but removed auras
    for (m_spellAuraHoldersUpdateIterator = m_spellAuraHolders.begin(); m_spellAuraHoldersUpdateIterator != m_spellAuraHolders.end();)
    {
        SpellAuraHolder* i_holder = m_spellAuraHoldersUpdateIterator->second;
        ++m_spellAuraHoldersUpdateIterator;                 // need shift to next for allow update if need into aura update
        i_holder->UpdateHolder(time);
    }

    // remove expired auras
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        SpellAuraHolder* holder = iter->second;

        if (!(holder->IsPermanent() || holder->IsPassive()) && holder->GetAuraDuration() == 0)
        {
            RemoveSpellAuraHolder(holder, AURA_REMOVE_BY_EXPIRE);
            iter = m_spellAuraHolders.begin();
        }
        else
        {
            ++iter;
        }
    }

    if (!m_gameObj.empty())
    {
        GameObjectList::iterator ite1, dnext1;
        for (ite1 = m_gameObj.begin(); ite1 != m_gameObj.end(); ite1 = dnext1)
        {
            dnext1 = ite1;
            //(*i)->Update( difftime );
            if (!(*ite1)->isSpawned())
            {
                (*ite1)->SetOwnerGuid(ObjectGuid());
                (*ite1)->SetRespawnTime(0);
                (*ite1)->Delete();
                dnext1 = m_gameObj.erase(ite1);
            }
            else
            {
                ++dnext1;
            }
        }
    }
}

void Unit::_UpdateAutoRepeatSpell()
{
    bool isAutoShot = m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->m_spellInfo->Id == SPELL_ID_AUTOSHOT;

    // check movement
    if (GetTypeId() == TYPEID_PLAYER && ((Player*)this)->isMoving() &&
        !HasAffectedAura(SPELL_AURA_ALLOW_CAST_WHILE_MOVING, m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->m_spellInfo))
    {
        // cancel wand shoot
        if (!isAutoShot)
        {
            InterruptSpell(CURRENT_AUTOREPEAT_SPELL);
        }
        // auto shot just waits
        return;
    }

    // check spell casts
    if (IsNonMeleeSpellCasted(false, false, true))
    {
        // cancel wand shoot
        if (!isAutoShot)
        {
            InterruptSpell(CURRENT_AUTOREPEAT_SPELL);
            return;
        }
        // auto shot is delayed by everythihng, except ranged(!) CURRENT_GENERIC_SPELL's -> recheck that
        else if (!(m_currentSpells[CURRENT_GENERIC_SPELL] && m_currentSpells[CURRENT_GENERIC_SPELL]->IsRangedSpell()))
        {
            return;
        }
    }

    // castroutine
    if (isAttackReady(RANGED_ATTACK))
    {
        // Check if able to cast
        if (m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->CheckCast(true) != SPELL_CAST_OK)
        {
            InterruptSpell(CURRENT_AUTOREPEAT_SPELL);
            return;
        }

        // we want to shoot
        Spell* spell = new Spell(this, m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->m_spellInfo, true);
        spell->SpellStart(&(m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->m_targets));

        // all went good, reset attack
        resetAttackTimer(RANGED_ATTACK);
    }
}

void Unit::SetCurrentCastedSpell(Spell* pSpell)
{
    MANGOS_ASSERT(pSpell);                                  // NULL may be never passed here, use InterruptSpell or InterruptNonMeleeSpells

    CurrentSpellTypes CSpellType = pSpell->GetCurrentContainer();

    if (pSpell == m_currentSpells[CSpellType]) return;      // avoid breaking self

    // break same type spell if it is not delayed
    InterruptSpell(CSpellType, false);

    // special breakage effects:
    switch (CSpellType)
    {
        case CURRENT_GENERIC_SPELL:
        {
            // generic spells always break channeled not delayed spells
            InterruptSpell(CURRENT_CHANNELED_SPELL, false);

            // autorepeat breaking
            if (m_currentSpells[CURRENT_AUTOREPEAT_SPELL])
            {
                // break autorepeat if not Auto Shot
                if (m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->m_spellInfo->Id != SPELL_ID_AUTOSHOT)
                {
                    InterruptSpell(CURRENT_AUTOREPEAT_SPELL);
                }
            }
        } break;

        case CURRENT_CHANNELED_SPELL:
        {
            // channel spells always break generic non-delayed and any channeled spells
            InterruptSpell(CURRENT_GENERIC_SPELL, false);
            InterruptSpell(CURRENT_CHANNELED_SPELL);

            // it also does break autorepeat if not Auto Shot
            if (m_currentSpells[CURRENT_AUTOREPEAT_SPELL] &&
                    m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->m_spellInfo->Id != SPELL_ID_AUTOSHOT)
                InterruptSpell(CURRENT_AUTOREPEAT_SPELL);
        } break;

        case CURRENT_AUTOREPEAT_SPELL:
        {
            // only Auto Shoot does not break anything
            if (pSpell->m_spellInfo->Id != SPELL_ID_AUTOSHOT)
            {
                // generic autorepeats break generic non-delayed and channeled non-delayed spells
                InterruptSpell(CURRENT_GENERIC_SPELL, false);
                InterruptSpell(CURRENT_CHANNELED_SPELL, false);
                // special action: first cast delay
                if (getAttackTimer(RANGED_ATTACK) < 500)
                {
                    setAttackTimer(RANGED_ATTACK, 500);
                }
            }
        } break;

        default:
        {
            // other spell types don't break anything now
        } break;
    }

    // current spell (if it is still here) may be safely deleted now
    if (m_currentSpells[CSpellType])
    {
        m_currentSpells[CSpellType]->SetReferencedFromCurrent(false);
    }

    // set new current spell
    m_currentSpells[CSpellType] = pSpell;
    pSpell->SetReferencedFromCurrent(true);

    pSpell->SetSelfContainer(&(m_currentSpells[pSpell->GetCurrentContainer()]));  // this works, but is not safe - <looks at C�dric>

    // original and faulty code - delete once the above has been proven to work
    // pSpell->m_selfContainer = &(m_currentSpells[pSpell->GetCurrentContainer()]); // m_selfContainer is not accessible, due to being a protected member
}

void Unit::InterruptSpell(CurrentSpellTypes spellType, bool withDelayed, bool sendAutoRepeatCancelToClient)
{
    MANGOS_ASSERT(spellType < CURRENT_MAX_SPELL);

    if (m_currentSpells[spellType] && (withDelayed || m_currentSpells[spellType]->getState() != SPELL_STATE_DELAYED))
    {
        // send autorepeat cancel message for autorepeat spells
        if (spellType == CURRENT_AUTOREPEAT_SPELL && sendAutoRepeatCancelToClient)
        {
            if (GetTypeId() == TYPEID_PLAYER)
            {
                ((Player*)this)->SendAutoRepeatCancel(this);
            }
        }

        if (m_currentSpells[spellType]->getState() != SPELL_STATE_FINISHED)
        {
            m_currentSpells[spellType]->cancel();
        }

        // cancel can interrupt spell already (caster cancel ->target aura remove -> caster iterrupt)
        if (m_currentSpells[spellType])
        {
            m_currentSpells[spellType]->SetReferencedFromCurrent(false);
            m_currentSpells[spellType] = NULL;
        }
    }
}

void Unit::FinishSpell(CurrentSpellTypes spellType, bool ok /*= true*/)
{
    Spell* spell = m_currentSpells[spellType];
    if (!spell)
    {
        return;
    }

    if (spellType == CURRENT_CHANNELED_SPELL)
    {
        spell->SendChannelUpdate(0);
    }

    spell->finish(ok);
}

bool Unit::IsNonMeleeSpellCasted(bool withDelayed, bool skipChanneled, bool skipAutorepeat) const
{
    // We don't do loop here to explicitly show that melee spell is excluded.
    // Maybe later some special spells will be excluded too.

    // generic spells are casted when they are not finished and not delayed
    if (m_currentSpells[CURRENT_GENERIC_SPELL] &&
            (m_currentSpells[CURRENT_GENERIC_SPELL]->getState() != SPELL_STATE_FINISHED) &&
            (withDelayed || m_currentSpells[CURRENT_GENERIC_SPELL]->getState() != SPELL_STATE_DELAYED))
        return true;

    // channeled spells may be delayed, but they are still considered casted
    else if (!skipChanneled && m_currentSpells[CURRENT_CHANNELED_SPELL] &&
             (m_currentSpells[CURRENT_CHANNELED_SPELL]->getState() != SPELL_STATE_FINISHED))
        return true;

    // autorepeat spells may be finished or delayed, but they are still considered casted
    else if (!skipAutorepeat && m_currentSpells[CURRENT_AUTOREPEAT_SPELL])
    {
        return true;
    }

    return false;
}

void Unit::InterruptNonMeleeSpells(bool withDelayed, uint32 spell_id)
{
    // generic spells are interrupted if they are not finished or delayed
    if (m_currentSpells[CURRENT_GENERIC_SPELL] && (!spell_id || m_currentSpells[CURRENT_GENERIC_SPELL]->m_spellInfo->Id == spell_id))
    {
        InterruptSpell(CURRENT_GENERIC_SPELL, withDelayed);
    }

    // autorepeat spells are interrupted if they are not finished or delayed
    if (m_currentSpells[CURRENT_AUTOREPEAT_SPELL] && (!spell_id || m_currentSpells[CURRENT_AUTOREPEAT_SPELL]->m_spellInfo->Id == spell_id))
    {
        InterruptSpell(CURRENT_AUTOREPEAT_SPELL, withDelayed);
    }

    // channeled spells are interrupted if they are not finished, even if they are delayed
    if (m_currentSpells[CURRENT_CHANNELED_SPELL] && (!spell_id || m_currentSpells[CURRENT_CHANNELED_SPELL]->m_spellInfo->Id == spell_id))
    {
        InterruptSpell(CURRENT_CHANNELED_SPELL, true);
    }
}

Spell* Unit::FindCurrentSpellBySpellId(uint32 spell_id) const
{
    for (uint32 i = 0; i < CURRENT_MAX_SPELL; ++i)
        if (m_currentSpells[i] && m_currentSpells[i]->m_spellInfo->Id == spell_id)
        {
            return m_currentSpells[i];
        }
    return NULL;
}

void Unit::SetInFront(Unit const* target)
{
    SetOrientation(GetAngle(target));
}

void Unit::SetFacingTo(float ori)
{
    Movement::MoveSplineInit init(*this);
    init.SetFacing(ori);
    init.Launch();
}

void Unit::SetFacingToObject(WorldObject* pObject)
{
    // never face when already moving
    if (!IsStopped())
    {
        return;
    }

    // TODO: figure out under what conditions creature will move towards object instead of facing it where it currently is.
    SetFacingTo(GetAngle(pObject));
}

bool Unit::isInAccessablePlaceFor(Creature const* c) const
{
    if (IsInWater())
    {
        return c->CanSwim();
    }
    else
    {
        return c->CanWalk() || c->CanFly();
    }
}

bool Unit::IsInWater() const
{
    return GetTerrain()->IsInWater(GetPositionX(), GetPositionY(), GetPositionZ());
}

bool Unit::IsUnderWater() const
{
    return GetTerrain()->IsUnderWater(GetPositionX(), GetPositionY(), GetPositionZ());
}

void Unit::DeMorph()
{
    SetDisplayId(GetNativeDisplayId());
}

int32 Unit::GetTotalAuraModifier(AuraType auratype) const
{
    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        modifier += (*i)->GetModifier()->m_amount;
    }

    return modifier;
}

float Unit::GetTotalAuraMultiplier(AuraType auratype) const
{
    float multiplier = 1.0f;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        multiplier *= (100.0f + (*i)->GetModifier()->m_amount) / 100.0f;
    }

    return multiplier;
}

int32 Unit::GetMaxPositiveAuraModifier(AuraType auratype) const
{
    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
        if ((*i)->GetModifier()->m_amount > modifier)
        {
            modifier = (*i)->GetModifier()->m_amount;
        }

    return modifier;
}

int32 Unit::GetMaxNegativeAuraModifier(AuraType auratype) const
{
    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
        if ((*i)->GetModifier()->m_amount < modifier)
        {
            modifier = (*i)->GetModifier()->m_amount;
        }

    return modifier;
}

int32 Unit::GetTotalAuraModifierByMiscMask(AuraType auratype, uint32 misc_mask) const
{
    if (!misc_mask)
    {
        return 0;
    }

    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue & misc_mask)
        {
            modifier += mod->m_amount;
        }
    }
    return modifier;
}

float Unit::GetTotalAuraMultiplierByMiscMask(AuraType auratype, uint32 misc_mask) const
{
    if (!misc_mask)
    {
        return 1.0f;
    }

    float multiplier = 1.0f;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue & misc_mask)
        {
            multiplier *= (100.0f + mod->m_amount) / 100.0f;
        }
    }
    return multiplier;
}

int32 Unit::GetMaxPositiveAuraModifierByMiscMask(AuraType auratype, uint32 misc_mask) const
{
    if (!misc_mask)
    {
        return 0;
    }

    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue & misc_mask && mod->m_amount > modifier)
        {
            modifier = mod->m_amount;
        }
    }

    return modifier;
}

int32 Unit::GetMaxNegativeAuraModifierByMiscMask(AuraType auratype, uint32 misc_mask) const
{
    if (!misc_mask)
    {
        return 0;
    }

    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue & misc_mask && mod->m_amount < modifier)
        {
            modifier = mod->m_amount;
        }
    }

    return modifier;
}

int32 Unit::GetTotalAuraModifierByMiscValue(AuraType auratype, int32 misc_value) const
{
    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue == misc_value)
        {
            modifier += mod->m_amount;
        }
    }
    return modifier;
}

float Unit::GetTotalAuraMultiplierByMiscValue(AuraType auratype, int32 misc_value) const
{
    float multiplier = 1.0f;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue == misc_value)
        {
            multiplier *= (100.0f + mod->m_amount) / 100.0f;
        }
    }
    return multiplier;
}

int32 Unit::GetMaxPositiveAuraModifierByMiscValue(AuraType auratype, int32 misc_value) const
{
    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue == misc_value && mod->m_amount > modifier)
        {
            modifier = mod->m_amount;
        }
    }

    return modifier;
}

int32 Unit::GetMaxNegativeAuraModifierByMiscValue(AuraType auratype, int32 misc_value) const
{
    int32 modifier = 0;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mod->m_miscvalue == misc_value && mod->m_amount < modifier)
        {
            modifier = mod->m_amount;
        }
    }

    return modifier;
}

float Unit::GetTotalAuraMultiplierByMiscValueForMask(AuraType auratype, uint32 mask) const
{
    if (!mask)
    {
        return 1.0f;
    }

    float multiplier = 1.0f;

    AuraList const& mTotalAuraList = GetAurasByType(auratype);
    for (AuraList::const_iterator i = mTotalAuraList.begin(); i != mTotalAuraList.end(); ++i)
    {
        Modifier* mod = (*i)->GetModifier();
        if (mask & (1 << (mod->m_miscvalue - 1)))
        {
            multiplier *= (100.0f + mod->m_amount) / 100.0f;
        }
    }
    return multiplier;
}

bool Unit::AddSpellAuraHolder(SpellAuraHolder* holder)
{
    SpellEntry const* aurSpellInfo = holder->GetSpellProto();

    // ghost spell check, allow apply any auras at player loading in ghost mode (will be cleanup after load)
    if (!IsAlive() && !IsDeathPersistentSpell(aurSpellInfo) &&
            !IsDeathOnlySpell(aurSpellInfo) &&
            (GetTypeId() != TYPEID_PLAYER || !((Player*)this)->GetSession()->PlayerLoading()))
    {
        delete holder;
        return false;
    }

    if (holder->GetTarget() != this)
    {
        sLog.outError("Holder (spell %u) add to spell aura holder list of %s (lowguid: %u) but spell aura holder target is %s (lowguid: %u)",
                      holder->GetId(), (GetTypeId() == TYPEID_PLAYER ? "player" : "creature"), GetGUIDLow(),
                      (holder->GetTarget()->GetTypeId() == TYPEID_PLAYER ? "player" : "creature"), holder->GetTarget()->GetGUIDLow());
        delete holder;
        return false;
    }

    // passive and persistent auras can stack with themselves any number of times
    if ((!holder->IsPassive() && !holder->IsPersistent()) || holder->IsAreaAura())
    {
        SpellAuraHolderBounds spair = GetSpellAuraHolderBounds(aurSpellInfo->Id);

        // take out same spell
        for (SpellAuraHolderMap::iterator iter = spair.first; iter != spair.second; ++iter)
        {
            SpellAuraHolder* foundHolder = iter->second;
            if (foundHolder->GetCasterGuid() == holder->GetCasterGuid())
            {
                // Aura can stack on self -> Stack it;
                if (aurSpellInfo->GetStackAmount())
                {
                    // can be created with >1 stack by some spell mods
                    foundHolder->ModStackAmount(holder->GetStackAmount());
                    delete holder;
                    return false;
                }

                // Check for coexisting Weapon-proced Auras
                if (holder->IsWeaponBuffCoexistableWith(foundHolder))
                {
                    continue;
                }

                // Carry over removed Aura's remaining damage if Aura still has ticks remaining
                if (foundHolder->GetSpellProto()->HasAttribute(SPELL_ATTR_EX4_STACK_DOT_MODIFIER))
                {
                    for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
                    {
                        if (Aura* aur = holder->GetAuraByEffectIndex(SpellEffectIndex(i)))
                        {
                            // m_auraname can be modified to SPELL_AURA_NONE for area auras, use original
                            SpellEffectEntry const* spellEffect = aurSpellInfo->GetSpellEffect(SpellEffectIndex(i));
                            AuraType aurNameReal = AuraType(spellEffect ? spellEffect->EffectApplyAuraName : 0);

                            if (aurNameReal == SPELL_AURA_PERIODIC_DAMAGE && aur->GetAuraDuration() > 0)
                            {
                                if (Aura* existing = foundHolder->GetAuraByEffectIndex(SpellEffectIndex(i)))
                                {
                                    int32 remainingTicks = existing->GetAuraMaxTicks() - existing->GetAuraTicks();
                                    int32 remainingDamage = existing->GetModifier()->m_amount * remainingTicks;

                                    aur->GetModifier()->m_amount += int32(remainingDamage / aur->GetAuraMaxTicks());
                                }
                                else
                                {
                                    DEBUG_LOG("Holder (spell %u) on target (lowguid: %u) doesn't have aura on effect index %u. skipping.", aurSpellInfo->Id, holder->GetTarget()->GetGUIDLow(), i);
                                }
                            }
                        }
                    }
                }

                // can be only single
                RemoveSpellAuraHolder(foundHolder, AURA_REMOVE_BY_STACK);
                break;
            }

            bool stop = false;

            for (int32 i = 0; i < MAX_EFFECT_INDEX && !stop; ++i)
            {
                // no need to check non stacking auras that weren't/won't be applied on this target
                if (!foundHolder->m_auras[i] || !holder->m_auras[i])
                {
                    continue;
                }

                // m_auraname can be modified to SPELL_AURA_NONE for area auras, use original
                SpellEffectEntry const* spellEffect = aurSpellInfo->GetSpellEffect(SpellEffectIndex(i));
                AuraType aurNameReal = AuraType(spellEffect ? spellEffect->EffectApplyAuraName : SPELL_AURA_NONE);

                switch (aurNameReal)
                {
                    // DoT/HoT/etc
                    case SPELL_AURA_DUMMY:                  // allow stack
                    case SPELL_AURA_PERIODIC_DAMAGE:
                    case SPELL_AURA_PERIODIC_DAMAGE_PERCENT:
                    case SPELL_AURA_PERIODIC_LEECH:
                    case SPELL_AURA_PERIODIC_HEAL:
                    case SPELL_AURA_OBS_MOD_HEALTH:
                    case SPELL_AURA_PERIODIC_MANA_LEECH:
                    case SPELL_AURA_OBS_MOD_MANA:
                    case SPELL_AURA_POWER_BURN_MANA:
                    case SPELL_AURA_CONTROL_VEHICLE:
                    case SPELL_AURA_TRIGGER_LINKED_AURA:
                    case SPELL_AURA_PERIODIC_DUMMY:
                        break;
                    case SPELL_AURA_PERIODIC_ENERGIZE:      // all or self or clear non-stackable
                    default:                                // not allow
                        // can be only single (this check done at _each_ aura add
                        RemoveSpellAuraHolder(foundHolder, AURA_REMOVE_BY_STACK);
                        stop = true;
                        break;
                }
            }

            if (stop)
            {
                break;
            }
        }
    }

    // normal spell or passive auras not stackable with other ranks
    if (!IsPassiveSpell(aurSpellInfo) || !IsPassiveSpellStackableWithRanks(aurSpellInfo))
    {
        // Hack exceptions for Vehicle/Linked auras
        if (!IsSpellHaveAura(aurSpellInfo, SPELL_AURA_CONTROL_VEHICLE) && !IsSpellHaveAura(aurSpellInfo, SPELL_AURA_TRIGGER_LINKED_AURA) &&
                !RemoveNoStackAurasDueToAuraHolder(holder))
        {
            delete holder;
            return false;                                   // couldn't remove conflicting aura with higher rank
        }
    }

    // update tracked aura targets list (before aura add to aura list, to prevent unexpected remove recently added aura)
    if (TrackedAuraType trackedType = holder->GetTrackedAuraType())
    {
        if (Unit* caster = holder->GetCaster())             // caster not in world
        {
            // Only compare TrackedAuras of same tracking type
            TrackedAuraTargetMap& scTargets = caster->GetTrackedAuraTargets(trackedType);
            for (TrackedAuraTargetMap::iterator itr = scTargets.begin(); itr != scTargets.end();)
            {
                SpellEntry const* itr_spellEntry = itr->first;
                ObjectGuid itr_targetGuid = itr->second;    // Target on whom the tracked aura is

                if (itr_targetGuid == GetObjectGuid())      // Note: I don't understand this check (based on old aura concepts, kept when adding holders)
                {
                    ++itr;
                    continue;
                }

                bool removed = false;
                switch (trackedType)
                {
                    case TRACK_AURA_TYPE_SINGLE_TARGET:
                        if (IsSingleTargetSpells(itr_spellEntry, aurSpellInfo))
                        {
                            removed = true;
                            // remove from target if target found
                            if (Unit* itr_target = GetMap()->GetUnit(itr_targetGuid))
                            {
                                itr_target->RemoveAurasDueToSpell(itr_spellEntry->Id); // TODO AURA_REMOVE_BY_TRACKING (might require additional work elsewhere)
                            }
                            else                            // Normally the tracking will be removed by the AuraRemoval
                            {
                                scTargets.erase(itr);
                            }
                        }
                        break;
                    case TRACK_AURA_TYPE_CONTROL_VEHICLE:
                    {
                        // find minimal effect-index that applies an aura
                        uint8 i = EFFECT_INDEX_0;
                        for (; i < MAX_EFFECT_INDEX; ++i)
                            if (IsAuraApplyEffect(aurSpellInfo, SpellEffectIndex(i)))
                            {
                                break;
                            }

                        // Remove auras when first holder is applied
                        if ((1 << i) & holder->GetAuraFlags())
                        {
                            removed = true;                 // each caster can only control one vehicle

                            // remove from target if target found
                            if (Unit* itr_target = GetMap()->GetUnit(itr_targetGuid))
                            {
                                itr_target->RemoveAurasByCasterSpell(itr_spellEntry->Id, caster->GetObjectGuid(), AURA_REMOVE_BY_TRACKING);
                            }
                            else                            // Normally the tracking will be removed by the AuraRemoval
                            {
                                scTargets.erase(itr);
                            }
                        }
                        break;
                    }
                    case TRACK_AURA_TYPE_NOT_TRACKED:       // These two can never happen
                    case MAX_TRACKED_AURA_TYPES:
                        MANGOS_ASSERT(false);
                        break;
                }

                if (removed)
                {
                    itr = scTargets.begin();                // list can be chnaged at remove aura
                    continue;
                }

                ++itr;
            }

            switch (trackedType)
            {
                case TRACK_AURA_TYPE_CONTROL_VEHICLE:       // Only track the controlled vehicle, no secondary effects
                    if (!IsSpellHaveAura(aurSpellInfo, SPELL_AURA_CONTROL_VEHICLE, holder->GetAuraFlags()))
                    {
                        break;
                    }
                    // no break here, track other controlled
                case TRACK_AURA_TYPE_SINGLE_TARGET:         // Register spell holder single target
                    scTargets[aurSpellInfo] = GetObjectGuid();
                    break;
            }
        }
    }

    // add aura, register in lists and arrays
    holder->_AddSpellAuraHolder();
    m_spellAuraHolders.insert(SpellAuraHolderMap::value_type(holder->GetId(), holder));

    for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
        if (Aura* aur = holder->GetAuraByEffectIndex(SpellEffectIndex(i)))
        {
            AddAuraToModList(aur);
        }

    holder->ApplyAuraModifiers(true, true);                 // This is the place where auras are actually applied onto the target
    DEBUG_LOG("Holder of spell %u now is in use", holder->GetId());

    // if aura deleted before boosts apply ignore
    // this can be possible it it removed indirectly by triggered spell effect at ApplyModifier
    if (holder->IsDeleted())
    {
        return false;
    }

    holder->HandleSpellSpecificBoosts(true);

    return true;
}

void Unit::AddAuraToModList(Aura* aura)
{
    if (aura->GetModifier()->m_auraname < TOTAL_AURAS)
    {
        m_modAuras[aura->GetModifier()->m_auraname].push_back(aura);
    }
}

void Unit::RemoveRankAurasDueToSpell(uint32 spellId)
{
    SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId);
    if (!spellInfo)
    {
        return;
    }
    SpellAuraHolderMap::const_iterator i, next;
    for (i = m_spellAuraHolders.begin(); i != m_spellAuraHolders.end(); i = next)
    {
        next = i;
        ++next;
        uint32 i_spellId = (*i).second->GetId();
        if ((*i).second && i_spellId && i_spellId != spellId)
        {
            if (sSpellMgr.IsRankSpellDueToSpell(spellInfo, i_spellId))
            {
                RemoveAurasDueToSpell(i_spellId);

                if (m_spellAuraHolders.empty())
                {
                    break;
                }
                else
                {
                    next =  m_spellAuraHolders.begin();
                }
            }
        }
    }
}

bool Unit::RemoveNoStackAurasDueToAuraHolder(SpellAuraHolder* holder)
{
    if (!holder)
    {
        return false;
    }

    SpellEntry const* spellProto = holder->GetSpellProto();
    if (!spellProto)
    {
        return false;
    }

    uint32 spellId = holder->GetId();

    // passive spell special case (only non stackable with ranks)
    if (IsPassiveSpell(spellProto))
    {
        if (IsPassiveSpellStackableWithRanks(spellProto))
        {
            return true;
        }
    }

    SpellSpecific spellId_spec = GetSpellSpecific(spellId);

    SpellAuraHolderMap::iterator i, next;
    for (i = m_spellAuraHolders.begin(); i != m_spellAuraHolders.end(); i = next)
    {
        next = i;
        ++next;
        if (!(*i).second) continue;

        SpellEntry const* i_spellProto = (*i).second->GetSpellProto();

        if (!i_spellProto)
        {
            continue;
        }

        uint32 i_spellId = i_spellProto->Id;

        // early checks that spellId is passive non stackable spell
        if (IsPassiveSpell(i_spellProto))
        {
            // passive non-stackable spells not stackable only for same caster
            if (holder->GetCasterGuid() != i->second->GetCasterGuid())
            {
                continue;
            }

            // passive non-stackable spells not stackable only with another rank of same spell
            if (!sSpellMgr.IsRankSpellDueToSpell(spellProto, i_spellId))
            {
                continue;
            }
        }

        // prevent triggering aura of removing aura that triggered it
        if (((*i).second->GetTriggeredBy() && (*i).second->GetTriggeredBy()->Id == spellId)
            || (holder->GetTriggeredBy() && holder->GetTriggeredBy()->Id == i_spellId))
            continue;

        SpellSpecific i_spellId_spec = GetSpellSpecific(i_spellId);

        // single allowed spell specific from same caster or from any caster at target
        bool is_spellSpecPerTargetPerCaster = IsSingleFromSpellSpecificPerTargetPerCaster(spellId_spec, i_spellId_spec);
        bool is_spellSpecPerTarget = IsSingleFromSpellSpecificPerTarget(spellId_spec, i_spellId_spec);
        if (is_spellSpecPerTarget || (is_spellSpecPerTargetPerCaster && holder->GetCasterGuid() == (*i).second->GetCasterGuid()))
        {
            // cannot remove higher rank
            if (sSpellMgr.IsRankSpellDueToSpell(spellProto, i_spellId))
                if (CompareAuraRanks(spellId, i_spellId) < 0)
                {
                    return false;
                }

            // Its a parent aura (create this aura in ApplyModifier)
            if ((*i).second->IsInUse())
            {
                sLog.outError("SpellAuraHolder (Spell %u) is in process but attempt removed at SpellAuraHolder (Spell %u) adding, need add stack rule for Unit::RemoveNoStackAurasDueToAuraHolder", i->second->GetId(), holder->GetId());
                continue;
            }
            RemoveAurasDueToSpell(i_spellId);

            if (m_spellAuraHolders.empty())
            {
                break;
            }
            else
            {
                next =  m_spellAuraHolders.begin();
            }

            continue;
        }

        // spell with spell specific that allow single ranks for spell from diff caster
        // same caster case processed or early or later
        bool is_spellPerTarget = IsSingleFromSpellSpecificSpellRanksPerTarget(spellId_spec, i_spellId_spec);
        if (is_spellPerTarget && holder->GetCasterGuid() != (*i).second->GetCasterGuid() && sSpellMgr.IsRankSpellDueToSpell(spellProto, i_spellId))
        {
            // cannot remove higher rank
            if (CompareAuraRanks(spellId, i_spellId) < 0)
            {
                return false;
            }

            // Its a parent aura (create this aura in ApplyModifier)
            if ((*i).second->IsInUse())
            {
                sLog.outError("SpellAuraHolder (Spell %u) is in process but attempt removed at SpellAuraHolder (Spell %u) adding, need add stack rule for Unit::RemoveNoStackAurasDueToAuraHolder", i->second->GetId(), holder->GetId());
                continue;
            }
            RemoveAurasDueToSpell(i_spellId);

            if (m_spellAuraHolders.empty())
            {
                break;
            }
            else
            {
                next =  m_spellAuraHolders.begin();
            }

            continue;
        }

        // non single (per caster) per target spell specific (possible single spell per target at caster)
        if (!is_spellSpecPerTargetPerCaster && !is_spellSpecPerTarget)
        {
            SpellEntry const* triggeredBy = holder->GetTriggeredBy();
            if (triggeredBy && sSpellMgr.IsSpellCanAffectSpell(triggeredBy, i_spellProto)) // check if this spell can be triggered by any talent aura
            {
                continue;
            }

            if (sSpellMgr.IsNoStackSpellDueToSpell(spellProto->Id, i_spellProto->Id))
            {
                // Its a parent aura (create this aura in ApplyModifier)
                if ((*i).second->IsInUse())
                {
                    sLog.outError("SpellAuraHolder (Spell %u) is in process but attempt removed at SpellAuraHolder (Spell %u) adding, need add stack rule for Unit::RemoveNoStackAurasDueToAuraHolder", i->second->GetId(), holder->GetId());
                    continue;
                }
                RemoveAurasDueToSpell(i_spellId);

                if (m_spellAuraHolders.empty())
                {
                    break;
                }
                else
                {
                    next = m_spellAuraHolders.begin();
                }
            }
            continue;
        }

        // Potions stack aura by aura (elixirs/flask already checked)
        if( spellProto->GetSpellFamilyName() == SPELLFAMILY_POTION && i_spellProto->GetSpellFamilyName() == SPELLFAMILY_POTION )
        {
            if (IsNoStackAuraDueToAura(spellId, i_spellId))
            {
                if (CompareAuraRanks(spellId, i_spellId) < 0)
                {
                    return false;                       // cannot remove higher rank
                }

                // Its a parent aura (create this aura in ApplyModifier)
                if ((*i).second->IsInUse())
                {
                    sLog.outError("SpellAuraHolder (Spell %u) is in process but attempt removed at SpellAuraHolder (Spell %u) adding, need add stack rule for Unit::RemoveNoStackAurasDueToAuraHolder", i->second->GetId(), holder->GetId());
                    continue;
                }
                RemoveAurasDueToSpell(i_spellId);

                if (m_spellAuraHolders.empty())
                {
                    break;
                }
                else
                {
                    next =  m_spellAuraHolders.begin();
                }
            }
        }
    }
    return true;
}

void Unit::RemoveAura(uint32 spellId, SpellEffectIndex effindex, Aura* except)
{
    SpellAuraHolderBounds spair = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = spair.first; iter != spair.second;)
    {
        Aura* aur = iter->second->m_auras[effindex];
        if (aur && aur != except)
        {
            RemoveSingleAuraFromSpellAuraHolder(iter->second, effindex);
            // may remove holder
            spair = GetSpellAuraHolderBounds(spellId);
            iter = spair.first;
        }
        else
        {
            ++iter;
        }
    }
}
void Unit::RemoveAurasByCasterSpell(uint32 spellId, ObjectGuid casterGuid, AuraRemoveMode mode /*=AURA_REMOVE_BY_DEFAULT*/)
{
    SpellAuraHolderBounds spair = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = spair.first; iter != spair.second;)
    {
        if (iter->second->GetCasterGuid() == casterGuid)
        {
            RemoveSpellAuraHolder(iter->second);
            spair = GetSpellAuraHolderBounds(spellId);
            iter = spair.first;
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveSingleAuraFromSpellAuraHolder(uint32 spellId, SpellEffectIndex effindex, ObjectGuid casterGuid, AuraRemoveMode mode)
{
    SpellAuraHolderBounds spair = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = spair.first; iter != spair.second;)
    {
        Aura* aur = iter->second->m_auras[effindex];
        if (aur && aur->GetCasterGuid() == casterGuid)
        {
            RemoveSingleAuraFromSpellAuraHolder(iter->second, effindex, mode);
            spair = GetSpellAuraHolderBounds(spellId);
            iter = spair.first;
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveAuraHolderDueToSpellByDispel(uint32 spellId, uint32 stackAmount, ObjectGuid casterGuid, Unit* dispeller)
{
    SpellEntry const* spellEntry = sSpellStore.LookupEntry(spellId);
    SpellClassOptionsEntry const* classOptions = spellEntry->GetSpellClassOptions();

    // Custom dispel case
    // Unstable Affliction
    if(classOptions && classOptions->SpellFamilyName == SPELLFAMILY_WARLOCK && (classOptions->SpellFamilyFlags & UI64LIT(0x010000000000)))
    {
        if (Aura* dotAura = GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_WARLOCK, UI64LIT(0x010000000000), 0x00000000, casterGuid))
        {
            // use clean value for initial damage
            int32 damage = dotAura->GetSpellProto()->CalculateSimpleValue(EFFECT_INDEX_0);
            damage *= 9;

            // Remove spell auras from stack
            RemoveAuraHolderFromStack(spellId, stackAmount, casterGuid, AURA_REMOVE_BY_DISPEL);

            // backfire damage and silence
            dispeller->CastCustomSpell(dispeller, 31117, &damage, NULL, NULL, true, NULL, NULL, casterGuid);
            return;
        }
    }
    // Lifebloom
    else if (classOptions && classOptions->SpellFamilyName == SPELLFAMILY_DRUID && (classOptions->SpellFamilyFlags & UI64LIT(0x0000001000000000)))
    {
        if (Aura* dotAura = GetAura(SPELL_AURA_DUMMY, SPELLFAMILY_DRUID, UI64LIT(0x0000001000000000), 0x00000000, casterGuid))
        {
            int32 amount = (dotAura->GetModifier()->m_amount / dotAura->GetStackAmount()) * stackAmount;
            CastCustomSpell(this, 33778, &amount, NULL, NULL, true, NULL, dotAura, casterGuid);

            if (Unit* caster = dotAura->GetCaster())
            {
                int32 returnmana = (spellEntry->GetManaCostPercentage() * caster->GetCreateMana() / 100) * stackAmount / 2;
                caster->CastCustomSpell(caster, 64372, &returnmana, NULL, NULL, true, NULL, dotAura, casterGuid);
            }
        }
    }
    // Flame Shock
    else if (classOptions && classOptions->SpellFamilyName == SPELLFAMILY_SHAMAN && (classOptions->SpellFamilyFlags & UI64LIT(0x10000000)))
    {
        Unit* caster = NULL;
        uint32 triggeredSpell = 0;

        if (Aura* dotAura = GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_SHAMAN, UI64LIT(0x10000000), 0x00000000, casterGuid))
        {
            caster = dotAura->GetCaster();
        }

        if (caster && !caster->IsDead())
        {
            Unit::AuraList const& auras = caster->GetAurasByType(SPELL_AURA_DUMMY);
            for (Unit::AuraList::const_iterator i = auras.begin(); i != auras.end(); ++i)
            {
                switch ((*i)->GetId())
                {
                    case 51480: triggeredSpell = 64694; break; // Lava Flows, Rank 1
                    case 51481: triggeredSpell = 65263; break; // Lava Flows, Rank 2
                    case 51482: triggeredSpell = 65264; break; // Lava Flows, Rank 3
                    default: continue;
                }
                break;
            }
        }

        // Remove spell auras from stack
        RemoveAuraHolderFromStack(spellId, stackAmount, casterGuid, AURA_REMOVE_BY_DISPEL);

        // Haste
        if (triggeredSpell)
        {
            caster->CastSpell(caster, triggeredSpell, true);
        }
        return;
    }
    // Vampiric touch (first dummy aura)
    else if (classOptions && classOptions->SpellFamilyName == SPELLFAMILY_PRIEST && classOptions->SpellFamilyFlags & UI64LIT(0x0000040000000000))
    {
        if (Aura* dot = GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_PRIEST, UI64LIT(0x0000040000000000), 0x00000000, casterGuid))
        {
            if (dot->GetCaster())
            {
                // use clean value for initial damage
                int32 bp0 = dot->GetSpellProto()->CalculateSimpleValue(EFFECT_INDEX_1);
                bp0 *= 8;

                // Remove spell auras from stack
                RemoveAuraHolderFromStack(spellId, stackAmount, casterGuid, AURA_REMOVE_BY_DISPEL);

                CastCustomSpell(this, 64085, &bp0, NULL, NULL, true, NULL, NULL, casterGuid);
                return;
            }
        }
    }

    RemoveAuraHolderFromStack(spellId, stackAmount, casterGuid, AURA_REMOVE_BY_DISPEL);
}

void Unit::RemoveAurasDueToSpellBySteal(uint32 spellId, ObjectGuid casterGuid, Unit* stealer)
{
    SpellAuraHolder* holder = GetSpellAuraHolder(spellId, casterGuid);
    SpellEntry const* spellProto = sSpellStore.LookupEntry(spellId);
    SpellAuraHolder* new_holder = CreateSpellAuraHolder(spellProto, stealer, this);

    // set its duration and maximum duration
    // max duration 2 minutes (in msecs)
    int32 dur = holder->GetAuraDuration();
    int32 max_dur = 2 * MINUTE * IN_MILLISECONDS;
    int32 new_max_dur = max_dur > dur ? dur : max_dur;
    new_holder->SetAuraMaxDuration(new_max_dur);
    new_holder->SetAuraDuration(new_max_dur);

    for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
    {
        Aura* aur = holder->GetAuraByEffectIndex(SpellEffectIndex(i));

        if (!aur)
        {
            continue;
        }

        int32 basePoints = aur->GetBasePoints();
        // construct the new aura for the attacker - will never return NULL, it's just a wrapper for
        // some different constructors
        Aura* new_aur = CreateAura(spellProto, aur->GetEffIndex(), &basePoints, new_holder, stealer, this);

        // set periodic to do at least one tick (for case when original aura has been at last tick preparing)
        int32 periodic = aur->GetModifier()->periodictime;
        new_aur->GetModifier()->periodictime = periodic < new_max_dur ? periodic : new_max_dur;

        // add the new aura to stealer
        new_holder->AddAura(new_aur, new_aur->GetEffIndex());
    }

    if (holder->ModStackAmount(-1))
        // Remove aura as dispel
        RemoveSpellAuraHolder(holder, AURA_REMOVE_BY_DISPEL);

    // strange but intended behaviour: Stolen single target auras won't be treated as single targeted
    new_holder->SetTrackedAuraType(TRACK_AURA_TYPE_NOT_TRACKED);

    stealer->AddSpellAuraHolder(new_holder);
}

void Unit::RemoveAurasDueToSpellByCancel(uint32 spellId)
{
    SpellAuraHolderBounds spair = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = spair.first; iter != spair.second;)
    {
        RemoveSpellAuraHolder(iter->second, AURA_REMOVE_BY_CANCEL);
        spair = GetSpellAuraHolderBounds(spellId);
        iter = spair.first;
    }
}

void Unit::RemoveAurasWithDispelType(DispelType type, ObjectGuid casterGuid)
{
    // Create dispel mask by dispel type
    uint32 dispelMask = GetDispellMask(type);
    // Dispel all existing auras vs current dispel type
    SpellAuraHolderMap& auras = GetSpellAuraHolderMap();
    for (SpellAuraHolderMap::iterator itr = auras.begin(); itr != auras.end();)
    {
        SpellEntry const* spell = itr->second->GetSpellProto();
        if (((1<<spell->GetDispel()) & dispelMask) && (!casterGuid || casterGuid == itr->second->GetCasterGuid()))
        {
            // Dispel aura
            RemoveAurasDueToSpell(spell->Id);
            itr = auras.begin();
        }
        else
        {
            ++itr;
        }
    }
}

void Unit::RemoveAuraHolderFromStack(uint32 spellId, uint32 stackAmount, ObjectGuid casterGuid, AuraRemoveMode mode)
{
    SpellAuraHolderBounds spair = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = spair.first; iter != spair.second; ++iter)
    {
        if (!casterGuid || iter->second->GetCasterGuid() == casterGuid)
        {
            if (iter->second->ModStackAmount(-int32(stackAmount)))
            {
                RemoveSpellAuraHolder(iter->second, mode);
                break;
            }
        }
    }
}

void Unit::RemoveAurasDueToSpell(uint32 spellId, SpellAuraHolder* except, AuraRemoveMode mode)
{
    SpellEntry const* spellEntry = sSpellStore.LookupEntry(spellId);
    if (spellEntry && spellEntry->SpellDifficultyId && IsInWorld() && GetMap()->IsDungeon())
        if (SpellEntry const* spellDiffEntry = GetSpellEntryByDifficulty(spellEntry->SpellDifficultyId, GetMap()->GetDifficulty(), GetMap()->IsRaid()))
        {
            spellId = spellDiffEntry->Id;
        }

    SpellAuraHolderBounds bounds = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = bounds.first; iter != bounds.second;)
    {
        if (iter->second != except)
        {
            RemoveSpellAuraHolder(iter->second, mode);
            bounds = GetSpellAuraHolderBounds(spellId);
            iter = bounds.first;
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveAurasDueToItemSpell(Item* castItem, uint32 spellId)
{
    SpellAuraHolderBounds bounds = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = bounds.first; iter != bounds.second;)
    {
        if (iter->second->GetCastItemGuid() == castItem->GetObjectGuid())
        {
            RemoveSpellAuraHolder(iter->second);
            bounds = GetSpellAuraHolderBounds(spellId);
            iter = bounds.first;
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveAurasWithInterruptFlags(uint32 flags)
{
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        if (iter->second->GetSpellProto()->GetAuraInterruptFlags() & flags)
        {
            RemoveSpellAuraHolder(iter->second);
            iter = m_spellAuraHolders.begin();
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveAurasWithAttribute(uint32 flags)
{
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        if (iter->second->GetSpellProto()->HasAttribute((SpellAttributes)flags))
        {
            RemoveSpellAuraHolder(iter->second);
            iter = m_spellAuraHolders.begin();
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveAurasOnCast(SpellEntry const* castedSpellEntry)
{
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        SpellAuraHolder* holder = iter->second;
        SpellEntry const* spellEntry = holder->GetSpellProto();
        bool removeThisHolder = false;

        if (spellEntry->GetAuraInterruptFlags() & AURA_INTERRUPT_FLAG_UNK2)
        {
            if (castedSpellEntry->HasAttribute(SPELL_ATTR_EX_NOT_BREAK_STEALTH))
            {
                bool foundStealth = false;
                for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
                {
                    if (Aura* aura = holder->m_auras[i])
                    {
                        if (aura->GetModifier()->m_auraname == SPELL_AURA_MOD_STEALTH)
                        {
                            foundStealth = true;
                            break;
                        }
                    }
                }
                removeThisHolder = !foundStealth;
            }
            else
            {
                removeThisHolder = true;
            }
        }

        if (removeThisHolder)
        {
            RemoveSpellAuraHolder(iter->second);
            iter = m_spellAuraHolders.begin();
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveNotOwnTrackedTargetAuras(uint32 newPhase)
{
    // tracked aura targets from other casters are removed if the phase does no more fit
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        TrackedAuraType trackedType = iter->second->GetTrackedAuraType();
        if (!trackedType)
        {
            ++iter;
            continue;
        }

        if (trackedType == TRACK_AURA_TYPE_CONTROL_VEHICLE || iter->second->GetCasterGuid() != GetObjectGuid())
        {
            if (!newPhase)
            {
                RemoveSpellAuraHolder(iter->second);
                iter = m_spellAuraHolders.begin();
                continue;
            }
            else
            {
                Unit* caster = iter->second->GetCaster();
                if (!caster || !caster->InSamePhase(newPhase))
                {
                    RemoveSpellAuraHolder(iter->second);
                    iter = m_spellAuraHolders.begin();
                    continue;
                }
            }
        }

        ++iter;
    }

    // tracked aura targets at other targets
    for (uint8 type = TRACK_AURA_TYPE_SINGLE_TARGET; type < MAX_TRACKED_AURA_TYPES; ++type)
    {
        TrackedAuraTargetMap& scTargets = GetTrackedAuraTargets(TrackedAuraType(type));
        for (TrackedAuraTargetMap::iterator itr = scTargets.begin(); itr != scTargets.end();)
        {
            SpellEntry const* itr_spellEntry = itr->first;
            ObjectGuid itr_targetGuid = itr->second;

            if (itr_targetGuid != GetObjectGuid())
            {
                if (!newPhase)
                {
                    scTargets.erase(itr);                   // remove for caster in any case

                    // remove from target if target found
                    if (Unit* itr_target = GetMap()->GetUnit(itr_targetGuid))
                    {
                        itr_target->RemoveAurasByCasterSpell(itr_spellEntry->Id, GetObjectGuid());
                    }

                    itr = scTargets.begin();                // list can be changed at remove aura
                    continue;
                }
                else
                {
                    Unit* itr_target = GetMap()->GetUnit(itr_targetGuid);
                    if (!itr_target || !itr_target->InSamePhase(newPhase))
                    {
                        scTargets.erase(itr);               // remove for caster in any case

                        // remove from target if target found
                        if (itr_target)
                        {
                            itr_target->RemoveAurasByCasterSpell(itr_spellEntry->Id, GetObjectGuid());
                        }

                        itr = scTargets.begin();            // list can be changed at remove aura
                        continue;
                    }
                }
            }

            ++itr;
        }
    }
}

void Unit::RemoveSpellAuraHolder(SpellAuraHolder* holder, AuraRemoveMode mode)
{
    // Statue unsummoned at holder remove
    SpellEntry const* AurSpellInfo = holder->GetSpellProto();
    Totem* statue = NULL;
    Unit* caster = holder->GetCaster();
    if (IsChanneledSpell(AurSpellInfo) && caster)
        if (caster->GetTypeId() == TYPEID_UNIT && ((Creature*)caster)->IsTotem() && ((Totem*)caster)->GetTotemType() == TOTEM_STATUE)
        {
            statue = ((Totem*)caster);
        }

    if (m_spellAuraHoldersUpdateIterator != m_spellAuraHolders.end() && m_spellAuraHoldersUpdateIterator->second == holder)
    {
        ++m_spellAuraHoldersUpdateIterator;
    }

    SpellAuraHolderBounds bounds = GetSpellAuraHolderBounds(holder->GetId());
    for (SpellAuraHolderMap::iterator itr = bounds.first; itr != bounds.second; ++itr)
    {
        if (itr->second == holder)
        {
            m_spellAuraHolders.erase(itr);
            break;
        }
    }

    holder->SetRemoveMode(mode);
    holder->UnregisterAndCleanupTrackedAuras();

    for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
    {
        if (Aura* aura = holder->m_auras[i])
        {
            RemoveAura(aura, mode);
        }
    }

    holder->_RemoveSpellAuraHolder();

    if (mode != AURA_REMOVE_BY_DELETE)
    {
        holder->HandleSpellSpecificBoosts(false);
    }

    if (statue)
    {
        statue->UnSummon();
    }

    // If holder in use (removed from code that plan access to it data after return)
    // store it in holder list with delayed deletion
    if (holder->IsInUse())
    {
        holder->SetDeleted();
        m_deletedHolders.push_back(holder);
    }
    else
    {
        delete holder;
    }

    if (mode != AURA_REMOVE_BY_EXPIRE && IsChanneledSpell(AurSpellInfo) && !IsAreaOfEffectSpell(AurSpellInfo) &&
            caster && caster->GetObjectGuid() != GetObjectGuid())
    {
        caster->InterruptSpell(CURRENT_CHANNELED_SPELL);
    }
}

void Unit::RemoveSingleAuraFromSpellAuraHolder(SpellAuraHolder* holder, SpellEffectIndex index, AuraRemoveMode mode)
{
    Aura* aura = holder->GetAuraByEffectIndex(index);
    if (!aura)
    {
        return;
    }

    if (aura->IsLastAuraOnHolder())
    {
        RemoveSpellAuraHolder(holder, mode);
    }
    else
    {
        RemoveAura(aura, mode);
    }
}

void Unit::RemoveAura(Aura* Aur, AuraRemoveMode mode)
{
    // remove from list before mods removing (prevent cyclic calls, mods added before including to aura list - use reverse order)
    if (Aur->GetModifier()->m_auraname < TOTAL_AURAS)
    {
        m_modAuras[Aur->GetModifier()->m_auraname].remove(Aur);
    }

    // Set remove mode
    Aur->SetRemoveMode(mode);

    // some ShapeshiftBoosts at remove trigger removing other auras including parent Shapeshift aura
    // remove aura from list before to prevent deleting it before
    /// m_Auras.erase(i);

    DEBUG_FILTER_LOG(LOG_FILTER_SPELL_CAST, "Aura %u now is remove mode %d", Aur->GetModifier()->m_auraname, mode);

    // aura _MUST_ be remove from holder before unapply.
    // un-apply code expected that aura not find by diff searches
    // in another case it can be double removed for example, if target die/etc in un-apply process.
    Aur->GetHolder()->RemoveAura(Aur->GetEffIndex());

    // some auras also need to apply modifier (on caster) on remove
    if (mode == AURA_REMOVE_BY_DELETE)
    {
        switch (Aur->GetModifier()->m_auraname)
        {
                // need properly undo any auras with player-caster mover set (or will crash at next caster move packet)
            case SPELL_AURA_MOD_POSSESS:
            case SPELL_AURA_MOD_POSSESS_PET:
            case SPELL_AURA_CONTROL_VEHICLE:
                Aur->ApplyModifier(false, true);
                break;
            default: break;
        }
    }
    else
    {
        Aur->ApplyModifier(false, true);
    }

    // If aura in use (removed from code that plan access to it data after return)
    // store it in aura list with delayed deletion
    if (Aur->IsInUse())
    {
        m_deletedAuras.push_back(Aur);
    }
    else
    {
        delete Aur;
    }
}

void Unit::RemoveAllAuras(AuraRemoveMode mode /*= AURA_REMOVE_BY_DEFAULT*/)
{
    while (!m_spellAuraHolders.empty())
    {
        SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin();
        RemoveSpellAuraHolder(iter->second, mode);
    }
}

void Unit::RemoveArenaAuras(bool onleave)
{
    // in join, remove positive buffs, on end, remove negative
    // used to remove positive visible auras in arenas
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        if (!iter->second->GetSpellProto()->HasAttribute(SPELL_ATTR_EX4_UNK21) &&
                // don't remove stances, shadowform, pally/hunter auras
                !iter->second->IsPassive() &&               // don't remove passive auras
                (!iter->second->GetSpellProto()->HasAttribute(SPELL_ATTR_UNAFFECTED_BY_INVULNERABILITY) ||
                 !iter->second->GetSpellProto()->HasAttribute(SPELL_ATTR_UNK8)) &&
                // not unaffected by invulnerability auras or not having that unknown flag (that seemed the most probable)
                (iter->second->IsPositive() != onleave))    // remove positive buffs on enter, negative buffs on leave
        {
            RemoveSpellAuraHolder(iter->second);
            iter = m_spellAuraHolders.begin();
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveAllAurasOnDeath()
{
    // used just after dieing to remove all visible auras
    // and disable the mods for the passive ones
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        if (!iter->second->IsPassive() && !iter->second->IsDeathPersistent())
        {
            RemoveSpellAuraHolder(iter->second, AURA_REMOVE_BY_DEATH);
            iter = m_spellAuraHolders.begin();
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::RemoveAllAurasOnEvade()
{
    // used when evading to remove all auras except some special auras
    // Vehicle control auras / Fly should not be removed on evade - neither should linked auras
    for (SpellAuraHolderMap::iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end();)
    {
        SpellEntry const* proto = iter->second->GetSpellProto();
        if (!IsSpellHaveAura(proto, SPELL_AURA_CONTROL_VEHICLE) && !IsSpellHaveAura(proto, SPELL_AURA_FLY))
        {
            RemoveSpellAuraHolder(iter->second, AURA_REMOVE_BY_DEFAULT);
            iter = m_spellAuraHolders.begin();
        }
        else
        {
            ++iter;
        }
    }
}

void Unit::DelaySpellAuraHolder(uint32 spellId, int32 delaytime, ObjectGuid casterGuid)
{
    SpellAuraHolderBounds bounds = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::iterator iter = bounds.first; iter != bounds.second; ++iter)
    {
        SpellAuraHolder* holder = iter->second;

        if (casterGuid != holder->GetCasterGuid())
        {
            continue;
        }

        if (holder->GetAuraDuration() < delaytime)
        {
            holder->SetAuraDuration(0);
        }
        else
        {
            holder->SetAuraDuration(holder->GetAuraDuration() - delaytime);
        }

        holder->SendAuraUpdate(false);

        DEBUG_FILTER_LOG(LOG_FILTER_SPELL_CAST, "Spell %u partially interrupted on %s, new duration: %u ms", spellId, GetGuidStr().c_str(), holder->GetAuraDuration());
    }
}

void Unit::_RemoveAllAuraMods()
{
    for (SpellAuraHolderMap::const_iterator i = m_spellAuraHolders.begin(); i != m_spellAuraHolders.end(); ++i)
    {
        (*i).second->ApplyAuraModifiers(false);
    }
}

void Unit::_ApplyAllAuraMods()
{
    for (SpellAuraHolderMap::const_iterator i = m_spellAuraHolders.begin(); i != m_spellAuraHolders.end(); ++i)
    {
        (*i).second->ApplyAuraModifiers(true);
    }
}

bool Unit::HasAuraType(AuraType auraType) const
{
    return !GetAurasByType(auraType).empty();
}

bool Unit::HasAffectedAura(AuraType auraType, SpellEntry const* spellProto) const
{
    Unit::AuraList const& auras = GetAurasByType(auraType);

    for (Unit::AuraList::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
    {
        if ((*itr)->isAffectedOnSpell(spellProto))
        {
            return true;
        }
    }

    return false;
}

Aura* Unit::GetAura(uint32 spellId, SpellEffectIndex effindex)
{
    SpellAuraHolderBounds bounds = GetSpellAuraHolderBounds(spellId);
    if (bounds.first != bounds.second)
    {
        return bounds.first->second->GetAuraByEffectIndex(effindex);
    }
    return NULL;
}

Aura* Unit::GetAura(AuraType type, SpellFamily family, uint64 familyFlag, uint32 familyFlag2, ObjectGuid casterGuid)
{
    AuraList const& auras = GetAurasByType(type);
    for (AuraList::const_iterator i = auras.begin(); i != auras.end(); ++i)
        if ((*i)->GetSpellProto()->IsFitToFamily(family, familyFlag, familyFlag2) &&
                (!casterGuid || (*i)->GetCasterGuid() == casterGuid))
            return *i;

    return NULL;
}

Aura* Unit::GetTriggeredByClientAura(uint32 spellId) const
{
    MANGOS_ASSERT(spellId);

    AuraList const& auras = GetAurasByType(SPELL_AURA_PERIODIC_TRIGGER_BY_CLIENT);
    for (AuraList::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
    {
        SpellAuraHolder const* holder = (*itr)->GetHolder();
        if (!holder || holder->IsDeleted())
        {
            continue;
        }

        SpellEffectEntry const* spellEffect = holder->GetSpellProto()->GetSpellEffect(SpellEffectIndex((*itr)->GetEffIndex()));
        if(!spellEffect)
        {
            continue;
        }

        // NOTE for further development: If there are more spells of this aura type, it might be required to check that this is the effect that applies SPELL_AURA_PERIODIC_TRIGGER_BY_CLIENT
        if (holder->GetCasterGuid() == GetObjectGuid() && spellEffect->EffectTriggerSpell == spellId)
        {
            return *itr;
        }
    }

    return NULL;
}

bool Unit::HasAura(uint32 spellId, SpellEffectIndex effIndex) const
{
    SpellAuraHolderConstBounds spair = GetSpellAuraHolderBounds(spellId);
    for (SpellAuraHolderMap::const_iterator i_holder = spair.first; i_holder != spair.second; ++i_holder)
        if (i_holder->second->GetAuraByEffectIndex(effIndex))
        {
            return true;
        }

    return false;
}

bool Unit::HasAuraOfDifficulty(uint32 spellId) const
{
    SpellEntry const* spellEntry = sSpellStore.LookupEntry(spellId);
    if (spellEntry && spellEntry->SpellDifficultyId && IsInWorld() && GetMap()->IsDungeon())
        if (SpellEntry const* spellDiffEntry = GetSpellEntryByDifficulty(spellEntry->SpellDifficultyId, GetMap()->GetDifficulty(), GetMap()->IsRaid()))
        {
            spellId = spellDiffEntry->Id;
        }

    return m_spellAuraHolders.find(spellId) != m_spellAuraHolders.end();
}

void Unit::AddDynObject(DynamicObject* dynObj)
{
    m_dynObjGUIDs.push_back(dynObj->GetObjectGuid());
}

void Unit::RemoveDynObject(uint32 spellid)
{
    if (m_dynObjGUIDs.empty())
    {
        return;
    }
    for (GuidList::iterator i = m_dynObjGUIDs.begin(); i != m_dynObjGUIDs.end();)
    {
        DynamicObject* dynObj = GetMap()->GetDynamicObject(*i);
        if (!dynObj)
        {
            i = m_dynObjGUIDs.erase(i);
        }
        else if (spellid == 0 || dynObj->GetSpellId() == spellid)
        {
            dynObj->Delete();
            i = m_dynObjGUIDs.erase(i);
        }
        else
        {
            ++i;
        }
    }
}

void Unit::RemoveAllDynObjects()
{
    while (!m_dynObjGUIDs.empty())
    {
        if (DynamicObject* dynObj = GetMap()->GetDynamicObject(*m_dynObjGUIDs.begin()))
        {
            dynObj->Delete();
        }
        m_dynObjGUIDs.erase(m_dynObjGUIDs.begin());
    }
}

DynamicObject* Unit::GetDynObject(uint32 spellId, SpellEffectIndex effIndex)
{
    for (GuidList::iterator i = m_dynObjGUIDs.begin(); i != m_dynObjGUIDs.end();)
    {
        DynamicObject* dynObj = GetMap()->GetDynamicObject(*i);
        if (!dynObj)
        {
            i = m_dynObjGUIDs.erase(i);
            continue;
        }

        if (dynObj->GetSpellId() == spellId && dynObj->GetEffIndex() == effIndex)
        {
            return dynObj;
        }
        ++i;
    }
    return NULL;
}

DynamicObject* Unit::GetDynObject(uint32 spellId)
{
    for (GuidList::iterator i = m_dynObjGUIDs.begin(); i != m_dynObjGUIDs.end();)
    {
        DynamicObject* dynObj = GetMap()->GetDynamicObject(*i);
        if (!dynObj)
        {
            i = m_dynObjGUIDs.erase(i);
            continue;
        }

        if (dynObj->GetSpellId() == spellId)
        {
            return dynObj;
        }
        ++i;
    }
    return NULL;
}

GameObject* Unit::GetGameObject(uint32 spellId) const
{
    for (GameObjectList::const_iterator i = m_gameObj.begin(); i != m_gameObj.end(); ++i)
        if ((*i)->GetSpellId() == spellId)
        {
            return *i;
        }

    WildGameObjectMap::const_iterator find = m_wildGameObjs.find(spellId);
    if (find != m_wildGameObjs.end())
    {
        return GetMap()->GetGameObject(find->second);       // Can be NULL
    }

    return NULL;
}

void Unit::AddGameObject(GameObject* gameObj)
{
    MANGOS_ASSERT(gameObj && !gameObj->GetOwnerGuid());
    m_gameObj.push_back(gameObj);
    gameObj->SetOwnerGuid(GetObjectGuid());

    if (GetTypeId() == TYPEID_PLAYER && gameObj->GetSpellId())
    {
        SpellEntry const* createBySpell = sSpellStore.LookupEntry(gameObj->GetSpellId());
        // Need disable spell use for owner
        if (createBySpell && createBySpell->HasAttribute(SPELL_ATTR_DISABLED_WHILE_ACTIVE))
            // note: item based cooldowns and cooldown spell mods with charges ignored (unknown existing cases)
            ((Player*)this)->AddSpellAndCategoryCooldowns(createBySpell, 0, NULL, true);
    }
}

void Unit::AddWildGameObject(GameObject* gameObj)
{
    MANGOS_ASSERT(gameObj && gameObj->GetOwnerGuid().IsEmpty());
    m_wildGameObjs[gameObj->GetSpellId()] = gameObj->GetObjectGuid();

    // As of 335 there are no wild-summon spells with SPELL_ATTR_DISABLED_WHILE_ACTIVE

    // Remove outdated wild summoned GOs
    for (WildGameObjectMap::iterator itr = m_wildGameObjs.begin(); itr != m_wildGameObjs.end();)
    {
        GameObject* pGo = GetMap()->GetGameObject(itr->second);
        if (pGo)
        {
            ++itr;
        }
        else
        {
            m_wildGameObjs.erase(itr++);
        }
    }
}

void Unit::RemoveGameObject(GameObject* gameObj, bool del)
{
    MANGOS_ASSERT(gameObj && gameObj->GetOwnerGuid() == GetObjectGuid());

    gameObj->SetOwnerGuid(ObjectGuid());

    // GO created by some spell
    if (uint32 spellid = gameObj->GetSpellId())
    {
        RemoveAurasDueToSpell(spellid);

        if (GetTypeId() == TYPEID_PLAYER)
        {
            SpellEntry const* createBySpell = sSpellStore.LookupEntry(spellid);
            // Need activate spell use for owner
            if (createBySpell && createBySpell->HasAttribute(SPELL_ATTR_DISABLED_WHILE_ACTIVE))
                // note: item based cooldowns and cooldown spell mods with charges ignored (unknown existing cases)
                ((Player*)this)->SendCooldownEvent(createBySpell);
        }
    }

    m_gameObj.remove(gameObj);

    if (del)
    {
        gameObj->SetRespawnTime(0);
        gameObj->Delete();
    }
}

void Unit::RemoveGameObject(uint32 spellid, bool del)
{
    if (m_gameObj.empty())
    {
        return;
    }

    GameObjectList::iterator i, next;
    for (i = m_gameObj.begin(); i != m_gameObj.end(); i = next)
    {
        next = i;
        if (spellid == 0 || (*i)->GetSpellId() == spellid)
        {
            (*i)->SetOwnerGuid(ObjectGuid());
            if (del)
            {
                (*i)->SetRespawnTime(0);
                (*i)->Delete();
            }

            next = m_gameObj.erase(i);
        }
        else
        {
            ++next;
        }
    }
}

void Unit::RemoveAllGameObjects()
{
    // remove references to unit
    for (GameObjectList::iterator i = m_gameObj.begin(); i != m_gameObj.end();)
    {
        (*i)->SetOwnerGuid(ObjectGuid());
        (*i)->SetRespawnTime(0);
        (*i)->Delete();
        i = m_gameObj.erase(i);
    }

    // wild summoned GOs - only remove references, do not remove GOs
    m_wildGameObjs.clear();
}

void Unit::SendSpellNonMeleeDamageLog(SpellNonMeleeDamage* log)
{
    uint32 targetHealth = log->target->GetHealth();
    uint32 overkill = log->damage > targetHealth ? log->damage - targetHealth : 0;

    WorldPacket data(SMSG_SPELLNONMELEEDAMAGELOG, (16 + 4 + 4 + 4 + 1 + 4 + 4 + 1 + 1 + 4 + 4 + 1)); // we guess size
    data << log->target->GetPackGUID();
    data << log->attacker->GetPackGUID();
    data << uint32(log->SpellID);
    data << uint32(log->damage);                            // damage amount
    data << uint32(overkill);                               // overkill
    data << uint8(log->schoolMask);                         // damage school
    data << uint32(log->absorb);                            // AbsorbedDamage
    data << uint32(log->resist);                            // resist
    data << uint8(log->physicalLog);                        // if 1, then client show spell name (example: %s's ranged shot hit %s for %u school or %s suffers %u school damage from %s's spell_name
    data << uint8(log->unused);                             // unused
    data << uint32(log->blocked);                           // blocked
    data << uint32(log->HitInfo);
    data << uint8(0);                                       // flag to use extend data
    SendMessageToSet(&data, true);
}

void Unit::SendSpellNonMeleeDamageLog(Unit* target, uint32 SpellID, uint32 Damage, SpellSchoolMask damageSchoolMask, uint32 AbsorbedDamage, uint32 Resist, bool PhysicalDamage, uint32 Blocked, bool CriticalHit)
{
    SpellNonMeleeDamage log(this, target, SpellID, damageSchoolMask);
    log.damage = Damage - AbsorbedDamage - Resist - Blocked;
    log.absorb = AbsorbedDamage;
    log.resist = Resist;
    log.physicalLog = PhysicalDamage;
    log.blocked = Blocked;
    log.HitInfo = SPELL_HIT_TYPE_UNK1 | SPELL_HIT_TYPE_UNK3 | SPELL_HIT_TYPE_UNK6;
    if (CriticalHit)
    {
        log.HitInfo |= SPELL_HIT_TYPE_CRIT;
    }
    SendSpellNonMeleeDamageLog(&log);
}

void Unit::SendPeriodicAuraLog(SpellPeriodicAuraLogInfo* pInfo)
{
    Aura* aura = pInfo->aura;
    Modifier* mod = aura->GetModifier();

    WorldPacket data(SMSG_PERIODICAURALOG, 30);
    data << aura->GetTarget()->GetPackGUID();
    data << aura->GetCasterGuid().WriteAsPacked();
    data << uint32(aura->GetId());                          // spellId
    data << uint32(1);                                      // count
    data << uint32(mod->m_auraname);                        // auraId
    switch (mod->m_auraname)
    {
        case SPELL_AURA_PERIODIC_DAMAGE:
        case SPELL_AURA_PERIODIC_DAMAGE_PERCENT:
            data << uint32(pInfo->damage);                  // damage
            data << uint32(pInfo->overDamage);              // overkill?
            data << uint32(GetSpellSchoolMask(aura->GetSpellProto()));
            data << uint32(pInfo->absorb);                  // absorb
            data << uint32(pInfo->resist);                  // resist
            data << uint8(pInfo->critical ? 1 : 0);         // new 3.1.2 critical flag
            break;
        case SPELL_AURA_PERIODIC_HEAL:
        case SPELL_AURA_OBS_MOD_HEALTH:
            data << uint32(pInfo->damage);                  // damage
            data << uint32(pInfo->overDamage);              // overheal?
            data << uint32(pInfo->absorb);                  // absorb
            data << uint8(pInfo->critical ? 1 : 0);         // new 3.1.2 critical flag
            break;
        case SPELL_AURA_OBS_MOD_MANA:
        case SPELL_AURA_PERIODIC_ENERGIZE:
            data << uint32(mod->m_miscvalue);               // power type
            data << uint32(pInfo->damage);                  // damage
            break;
        case SPELL_AURA_PERIODIC_MANA_LEECH:
            data << uint32(mod->m_miscvalue);               // power type
            data << uint32(pInfo->damage);                  // amount
            data << float(pInfo->multiplier);               // gain multiplier
            break;
        default:
            sLog.outError("Unit::SendPeriodicAuraLog: unknown aura %u", uint32(mod->m_auraname));
            return;
    }

    aura->GetTarget()->SendMessageToSet(&data, true);
}

void Unit::ProcDamageAndSpell(Unit* pVictim, uint32 procAttacker, uint32 procVictim, uint32 procExtra, uint32 amount, WeaponAttackType attType, SpellEntry const* procSpell)
{
    // Not much to do if no flags are set.
    if (procAttacker)
    {
        ProcDamageAndSpellFor(false, pVictim, procAttacker, procExtra, attType, procSpell, amount);
    }
    // Now go on with a victim's events'n'auras
    // Not much to do if no flags are set or there is no victim
    if (pVictim && pVictim->IsAlive() && procVictim)
    {
        pVictim->ProcDamageAndSpellFor(true, this, procVictim, procExtra, attType, procSpell, amount);
    }
}

void Unit::SendSpellMiss(Unit* target, uint32 spellID, SpellMissInfo missInfo)
{
    WorldPacket data(SMSG_SPELLLOGMISS, (4 + 8 + 1 + 4 + 8 + 1));
    data << uint32(spellID);
    data << GetObjectGuid();
    data << uint8(0);                                       // can be 0 or 1, flag
    data << uint32(1);                                      // target count
    // for(i = 0; i < target count; ++i)
    data << target->GetObjectGuid();                        // target GUID
    data << uint8(missInfo);
    // end loop
    SendMessageToSet(&data, true);
}

void Unit::SendAttackStateUpdate(CalcDamageInfo* damageInfo)
{
    DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "WORLD: Sending SMSG_ATTACKERSTATEUPDATE");

    uint32 targetHealth = damageInfo->target->GetHealth();
    uint32 overkill = damageInfo->damage > targetHealth ? damageInfo->damage - targetHealth : 0;

    uint32 count = 1;
    WorldPacket data(SMSG_ATTACKERSTATEUPDATE, 16 + 45);    // we guess size
    data << uint32(damageInfo->HitInfo);
    data << damageInfo->attacker->GetPackGUID();
    data << damageInfo->target->GetPackGUID();
    data << uint32(damageInfo->damage);                     // Full damage
    data << uint32(overkill);                               // overkill value
    data << uint8(count);                                   // Sub damage count

    for (uint32 i = 0; i < count; ++i)
    {
        data << uint32(damageInfo->damageSchoolMask);       // School of sub damage
        data << float(damageInfo->damage);                  // sub damage
        data << uint32(damageInfo->damage);                 // Sub Damage
    }

    if (damageInfo->HitInfo & (HITINFO_ABSORB | HITINFO_ABSORB2))
    {
        for (uint32 i = 0; i < count; ++i)
        {
            data << uint32(damageInfo->absorb);             // Absorb
        }
    }

    if (damageInfo->HitInfo & (HITINFO_RESIST | HITINFO_RESIST2))
    {
        for (uint32 i = 0; i < count; ++i)
        {
            data << uint32(damageInfo->resist);             // Resist
        }
    }

    data << uint8(damageInfo->TargetState);
    data << uint32(0);                                      // unknown, usually seen with -1, 0 and 1000
    data << uint32(0);                                      // spell id, seen with heroic strike and disarm as examples.
    // HITINFO_NOACTION normally set if spell

    if (damageInfo->HitInfo & HITINFO_BLOCK)
    {
        data << uint32(damageInfo->blocked_amount);
    }

    if (damageInfo->HitInfo & HITINFO_UNK22)
    {
        data << uint32(0);                                  // count of some sort?
    }

    if (damageInfo->HitInfo & HITINFO_UNK0)
    {
        data << uint32(0);
        data << float(0);
        data << float(0);
        data << float(0);
        data << float(0);
        data << float(0);
        data << float(0);
        data << float(0);
        data << float(0);
        for (uint8 i = 0; i < 5; ++i)
        {
            data << float(0);
            data << float(0);
        }
        data << uint32(0);
    }

    SendMessageToSet(&data, true);  /**/
}

void Unit::SendAttackStateUpdate(uint32 HitInfo, Unit* target, uint8 /*SwingType*/, SpellSchoolMask damageSchoolMask, uint32 Damage, uint32 AbsorbDamage, uint32 Resist, VictimState TargetState, uint32 BlockedAmount)
{
    CalcDamageInfo dmgInfo;
    dmgInfo.HitInfo = HitInfo;
    dmgInfo.attacker = this;
    dmgInfo.target = target;
    dmgInfo.damage = Damage - AbsorbDamage - Resist - BlockedAmount;
    dmgInfo.damageSchoolMask = damageSchoolMask;
    dmgInfo.absorb = AbsorbDamage;
    dmgInfo.resist = Resist;
    dmgInfo.TargetState = TargetState;
    dmgInfo.blocked_amount = BlockedAmount;
    SendAttackStateUpdate(&dmgInfo);
}

void Unit::SendAttackStateUpdate(uint32 HitInfo, Unit* target, SpellSchoolMask damageSchoolMask, uint32 Damage, uint32 AbsorbDamage, uint32 Resist, VictimState TargetState, uint32 BlockedAmount)
{
    CalcDamageInfo dmgInfo;
    dmgInfo.HitInfo = HitInfo;
    dmgInfo.attacker = this;
    dmgInfo.target = target;
    dmgInfo.damage = Damage - AbsorbDamage - Resist - BlockedAmount;
    dmgInfo.damageSchoolMask = damageSchoolMask;
    dmgInfo.absorb = AbsorbDamage;
    dmgInfo.resist = Resist;
    dmgInfo.TargetState = TargetState;
    dmgInfo.blocked_amount = BlockedAmount;
    SendAttackStateUpdate(&dmgInfo);
}

void Unit::SetPowerType(Powers new_powertype)
{
    // set power type
    SetByteValue(UNIT_FIELD_BYTES_0, 3, new_powertype);

    // group updates
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)this)->GetGroup())
        {
            ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_POWER_TYPE);
        }
    }
    else if (((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_POWER_TYPE);
            }
        }
    }

    // special cases for power type switching (druid and pets only)
    if (GetTypeId() == TYPEID_PLAYER || (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet()))
    {
        uint32 maxValue = GetCreatePowers(new_powertype);
        uint32 curValue = maxValue;

        // special cases with current power = 0
        switch (new_powertype)
        {
            case POWER_RAGE:
            case POWER_RUNE:
            case POWER_RUNIC_POWER:
                curValue = 0;
                break;
            default:
                break;
        }

        // set power (except for mana)
        if (new_powertype != POWER_MANA)
        {
            SetMaxPower(new_powertype, maxValue);
            SetPower(new_powertype, curValue);
        }

        // send power type update to client
        WorldPacket data(SMSG_POWER_UPDATE);
        data << GetPackGUID();
        data << uint32(1);              // power count
        data << uint8(new_powertype);
        data << uint32(curValue);
        SendMessageToSet(&data, true);
    }
}

FactionTemplateEntry const* Unit::getFactionTemplateEntry() const
{
    FactionTemplateEntry const* entry = sFactionTemplateStore.LookupEntry(getFaction());
    if (!entry)
    {
        static ObjectGuid guid;                             // prevent repeating spam same faction problem

        if (GetObjectGuid() != guid)
        {
            guid = GetObjectGuid();

            if (guid.GetHigh() == HIGHGUID_PET)
            {
                sLog.outError("%s (base creature entry %u) have invalid faction template id %u, owner %s", GetGuidStr().c_str(), GetEntry(), getFaction(), ((Pet*)this)->GetOwnerGuid().GetString().c_str());
            }
            else
            {
                sLog.outError("%s have invalid faction template id %u", GetGuidStr().c_str(), getFaction());
            }
        }
    }
    return entry;
}

bool Unit::IsHostileTo(Unit const* unit) const
{
    // always non-hostile to self
    if (unit == this)
    {
        return false;
    }

    // always non-hostile to GM in GM mode
    if (unit->GetTypeId() == TYPEID_PLAYER && ((Player const*)unit)->isGameMaster())
    {
        return false;
    }

    // always hostile to enemy
    if (getVictim() == unit || unit->getVictim() == this)
    {
        return true;
    }

    // test pet/charm masters instead pers/charmeds
    Unit const* testerOwner = GetCharmerOrOwner();
    Unit const* targetOwner = unit->GetCharmerOrOwner();

    // always hostile to owner's enemy
    if (testerOwner && (testerOwner->getVictim() == unit || unit->getVictim() == testerOwner))
    {
        return true;
    }

    // always hostile to enemy owner
    if (targetOwner && (getVictim() == targetOwner || targetOwner->getVictim() == this))
    {
        return true;
    }

    // always hostile to owner of owner's enemy
    if (testerOwner && targetOwner && (testerOwner->getVictim() == targetOwner || targetOwner->getVictim() == testerOwner))
    {
        return true;
    }

    Unit const* tester = testerOwner ? testerOwner : this;
    Unit const* target = targetOwner ? targetOwner : unit;

    // always non-hostile to target with common owner, or to owner/pet
    if (tester == target)
    {
        return false;
    }

    // special cases (Duel, etc)
    if (tester->GetTypeId() == TYPEID_PLAYER && target->GetTypeId() == TYPEID_PLAYER)
    {
        Player const* pTester = (Player const*)tester;
        Player const* pTarget = (Player const*)target;

        // Duel
        if (pTester->IsInDuelWith(pTarget))
        {
            return true;
        }

        // Group
        if (pTester->GetGroup() && pTester->GetGroup() == pTarget->GetGroup())
        {
            return false;
        }

        // Sanctuary
        if (pTarget->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_SANCTUARY) && pTester->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_SANCTUARY))
        {
            return false;
        }

        // PvP FFA state
        if (pTester->IsFFAPvP() && pTarget->IsFFAPvP())
        {
            return true;
        }

        //= PvP states
        // Green/Blue (can't attack)
        if (pTester->GetTeam() == pTarget->GetTeam())
        {
            return false;
        }

        // Red (can attack) if true, Blue/Yellow (can't attack) in another case
        return pTester->IsPvP() && pTarget->IsPvP();
    }

    // faction base cases
    FactionTemplateEntry const* tester_faction = tester->getFactionTemplateEntry();
    FactionTemplateEntry const* target_faction = target->getFactionTemplateEntry();
    if (!tester_faction || !target_faction)
    {
        return false;
    }

    if (target->isAttackingPlayer() && tester->IsContestedGuard())
    {
        return true;
    }

    // PvC forced reaction and reputation case
    if (tester->GetTypeId() == TYPEID_PLAYER)
    {
        if (target_faction->faction)
        {
            // forced reaction
            if (ReputationRank const* force = ((Player*)tester)->GetReputationMgr().GetForcedRankIfAny(target_faction))
            {
                return *force <= REP_HOSTILE;
            }

            // if faction have reputation then hostile state for tester at 100% dependent from at_war state
            if (FactionEntry const* raw_target_faction = sFactionStore.LookupEntry(target_faction->faction))
                if (FactionState const* factionState = ((Player*)tester)->GetReputationMgr().GetState(raw_target_faction))
                {
                    return (factionState->Flags & FACTION_FLAG_AT_WAR);
                }
        }
    }
    // CvP forced reaction and reputation case
    else if (target->GetTypeId() == TYPEID_PLAYER)
    {
        if (tester_faction->faction)
        {
            // forced reaction
            if (ReputationRank const* force = ((Player*)target)->GetReputationMgr().GetForcedRankIfAny(tester_faction))
            {
                return *force <= REP_HOSTILE;
            }

            // apply reputation state
            FactionEntry const* raw_tester_faction = sFactionStore.LookupEntry(tester_faction->faction);
            if (raw_tester_faction && raw_tester_faction->reputationListID >= 0)
            {
                return ((Player const*)target)->GetReputationMgr().GetRank(raw_tester_faction) <= REP_HOSTILE;
            }
        }
    }

    // common faction based case (CvC,PvC,CvP)
    return tester_faction->IsHostileTo(*target_faction);
}

bool Unit::IsFriendlyTo(Unit const* unit) const
{
    // always friendly to self
    if (unit == this)
    {
        return true;
    }

    // always friendly to GM in GM mode
    if (unit->GetTypeId() == TYPEID_PLAYER && ((Player const*)unit)->isGameMaster())
    {
        return true;
    }

    // always non-friendly to enemy
    if (getVictim() == unit || unit->getVictim() == this)
    {
        return false;
    }

    // test pet/charm masters instead pers/charmeds
    Unit const* testerOwner = GetCharmerOrOwner();
    Unit const* targetOwner = unit->GetCharmerOrOwner();

    // always non-friendly to owner's enemy
    if (testerOwner && (testerOwner->getVictim() == unit || unit->getVictim() == testerOwner))
    {
        return false;
    }

    // always non-friendly to enemy owner
    if (targetOwner && (getVictim() == targetOwner || targetOwner->getVictim() == this))
    {
        return false;
    }

    // always non-friendly to owner of owner's enemy
    if (testerOwner && targetOwner && (testerOwner->getVictim() == targetOwner || targetOwner->getVictim() == testerOwner))
    {
        return false;
    }

    Unit const* tester = testerOwner ? testerOwner : this;
    Unit const* target = targetOwner ? targetOwner : unit;

    // always friendly to target with common owner, or to owner/pet
    if (tester == target)
    {
        return true;
    }

    // special cases (Duel)
    if (tester->GetTypeId() == TYPEID_PLAYER && target->GetTypeId() == TYPEID_PLAYER)
    {
        Player const* pTester = (Player const*)tester;
        Player const* pTarget = (Player const*)target;

        // Duel
        if (pTester->IsInDuelWith(pTarget))
        {
            return false;
        }

        // Group
        if (pTester->GetGroup() && pTester->GetGroup() == pTarget->GetGroup())
        {
            return true;
        }

        // Sanctuary
        if (pTarget->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_SANCTUARY) && pTester->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_SANCTUARY))
        {
            return true;
        }

        // PvP FFA state
        if (pTester->IsFFAPvP() && pTarget->IsFFAPvP())
        {
            return false;
        }

        //= PvP states
        // Green/Blue (non-attackable)
        if (pTester->GetTeam() == pTarget->GetTeam())
        {
            return true;
        }

        // Blue (friendly/non-attackable) if not PVP, or Yellow/Red in another case (attackable)
        return !pTarget->IsPvP();
    }

    // faction base cases
    FactionTemplateEntry const* tester_faction = tester->getFactionTemplateEntry();
    FactionTemplateEntry const* target_faction = target->getFactionTemplateEntry();
    if (!tester_faction || !target_faction)
    {
        return false;
    }

    if (target->isAttackingPlayer() && tester->IsContestedGuard())
    {
        return false;
    }

    // PvC forced reaction and reputation case
    if (tester->GetTypeId() == TYPEID_PLAYER)
    {
        if (target_faction->faction)
        {
            // forced reaction
            if (ReputationRank const* force = ((Player*)tester)->GetReputationMgr().GetForcedRankIfAny(target_faction))
            {
                return *force >= REP_FRIENDLY;
            }

            // if faction have reputation then friendly state for tester at 100% dependent from at_war state
            if (FactionEntry const* raw_target_faction = sFactionStore.LookupEntry(target_faction->faction))
                if (FactionState const* factionState = ((Player*)tester)->GetReputationMgr().GetState(raw_target_faction))
                {
                    return !(factionState->Flags & FACTION_FLAG_AT_WAR);
                }
        }
    }
    // CvP forced reaction and reputation case
    else if (target->GetTypeId() == TYPEID_PLAYER)
    {
        if (tester_faction->faction)
        {
            // forced reaction
            if (ReputationRank const* force = ((Player*)target)->GetReputationMgr().GetForcedRankIfAny(tester_faction))
            {
                return *force >= REP_FRIENDLY;
            }

            // apply reputation state
            if (FactionEntry const* raw_tester_faction = sFactionStore.LookupEntry(tester_faction->faction))
                if (raw_tester_faction->reputationListID >= 0)
                {
                    return ((Player const*)target)->GetReputationMgr().GetRank(raw_tester_faction) >= REP_FRIENDLY;
                }
        }
    }

    // common faction based case (CvC,PvC,CvP)
    return tester_faction->IsFriendlyTo(*target_faction);
}

bool Unit::IsHostileToPlayers() const
{
    FactionTemplateEntry const* my_faction = getFactionTemplateEntry();
    if (!my_faction || !my_faction->faction)
    {
        return false;
    }

    FactionEntry const* raw_faction = sFactionStore.LookupEntry(my_faction->faction);
    if (raw_faction && raw_faction->reputationListID >= 0)
    {
        return false;
    }

    return my_faction->IsHostileToPlayers();
}

bool Unit::IsNeutralToAll() const
{
    FactionTemplateEntry const* my_faction = getFactionTemplateEntry();
    if (!my_faction || !my_faction->faction)
    {
        return true;
    }

    FactionEntry const* raw_faction = sFactionStore.LookupEntry(my_faction->faction);
    if (raw_faction && raw_faction->reputationListID >= 0)
    {
        return false;
    }

    return my_faction->IsNeutralToAll();
}

bool Unit::Attack(Unit* victim, bool meleeAttack)
{
    if (!victim || victim == this)
    {
        return false;
    }

    // dead units can neither attack nor be attacked
    if (!IsAlive() || !victim->IsInWorld() || !victim->IsAlive())
    {
        return false;
    }

    // player cannot attack in mount state
    if (GetTypeId() == TYPEID_PLAYER && IsMounted())
    {
        return false;
    }

    // nobody can attack GM in GM-mode
    if (victim->GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)victim)->isGameMaster())
        {
            return false;
        }
    }
    else
    {
        if (((Creature*)victim)->IsInEvadeMode())
        {
            return false;
        }
    }

    // remove SPELL_AURA_MOD_UNATTACKABLE at attack (in case non-interruptible spells stun aura applied also that not let attack)
    if (HasAuraType(SPELL_AURA_MOD_UNATTACKABLE))
    {
        RemoveSpellsCausingAura(SPELL_AURA_MOD_UNATTACKABLE);
    }

    // in fighting already
    if (m_attacking)
    {
        if (m_attacking == victim)
        {
            // switch to melee attack from ranged/magic
            if (meleeAttack)
            {
                if (!hasUnitState(UNIT_STAT_MELEE_ATTACKING))
                {
                    addUnitState(UNIT_STAT_MELEE_ATTACKING);
                    SendMeleeAttackStart(victim);
                }
                return true;
            }
            return false;
        }

        // remove old target data
        AttackStop(true);
    }
    // new battle
    else
    {
        // set position before any AI calls/assistance
        if (GetTypeId() == TYPEID_UNIT)
        {
            ((Creature*)this)->SetCombatStartPosition(GetPositionX(), GetPositionY(), GetPositionZ());
        }
    }

    // Set our target
    SetTargetGuid(victim->GetObjectGuid());

    if (meleeAttack)
    {
        addUnitState(UNIT_STAT_MELEE_ATTACKING);
    }

    m_attacking = victim;
    m_attacking->_addAttacker(this);

    if (GetTypeId() == TYPEID_UNIT)
    {
        ((Creature*)this)->SendAIReaction(AI_REACTION_HOSTILE);
        ((Creature*)this)->CallAssistance();
    }

    // delay offhand weapon attack to next attack time
    if (haveOffhandWeapon())
    {
        resetAttackTimer(OFF_ATTACK);
    }

    if (meleeAttack)
    {
        SendMeleeAttackStart(victim);
    }

    return true;
}

void Unit::AttackedBy(Unit* attacker)
{
    // trigger AI reaction
    if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->AI())
    {
        ((Creature*)this)->AI()->AttackedBy(attacker);
    }

    // do not pet reaction for self inflicted damage (like environmental)
    if (attacker == this)
    {
        return;
    }

    // trigger pet AI reaction
    if (Pet* pet = GetPet())
    {
        pet->AttackedBy(attacker);
    }
}

bool Unit::AttackStop(bool targetSwitch /*=false*/)
{
    if (!m_attacking)
    {
        return false;
    }

    Unit* victim = m_attacking;

    m_attacking->_removeAttacker(this);
    m_attacking = NULL;

    // Clear our target
    SetTargetGuid(ObjectGuid());

    clearUnitState(UNIT_STAT_MELEE_ATTACKING);

    InterruptSpell(CURRENT_MELEE_SPELL);

    // reset only at real combat stop
    if (!targetSwitch && GetTypeId() == TYPEID_UNIT)
    {
        ((Creature*)this)->SetNoCallAssistance(false);

        if (((Creature*)this)->HasSearchedAssistance())
        {
            ((Creature*)this)->SetNoSearchAssistance(false);
            UpdateSpeed(MOVE_RUN, false);
        }
    }

    SendMeleeAttackStop(victim);

    return true;
}

void Unit::CombatStop(bool includingCast)
{
    if (includingCast && IsNonMeleeSpellCasted(false))
    {
        InterruptNonMeleeSpells(false);
    }

    AttackStop();
    RemoveAllAttackers();

    if (GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->SendAttackSwingCancelAttack();     // melee and ranged forced attack cancel
    }
    else if (GetTypeId() == TYPEID_UNIT)
    {
        if (((Creature*)this)->GetTemporaryFactionFlags() & TEMPFACTION_RESTORE_COMBAT_STOP)
        {
            ((Creature*)this)->ClearTemporaryFaction();
        }
    }

    ClearInCombat();
}

struct CombatStopWithPetsHelper
{
    explicit CombatStopWithPetsHelper(bool _includingCast) : includingCast(_includingCast) {}
    void operator()(Unit* unit) const { unit->CombatStop(includingCast); }
    bool includingCast;
};

void Unit::CombatStopWithPets(bool includingCast)
{
    CombatStop(includingCast);
    CallForAllControlledUnits(CombatStopWithPetsHelper(includingCast), CONTROLLED_PET | CONTROLLED_GUARDIANS | CONTROLLED_CHARM);
}

struct IsAttackingPlayerHelper
{
    explicit IsAttackingPlayerHelper() {}
    bool operator()(Unit const* unit) const { return unit->isAttackingPlayer(); }
};

bool Unit::isAttackingPlayer() const
{
    if (hasUnitState(UNIT_STAT_ATTACK_PLAYER))
    {
        return true;
    }

    return CheckAllControlledUnits(IsAttackingPlayerHelper(), CONTROLLED_PET | CONTROLLED_TOTEMS | CONTROLLED_GUARDIANS | CONTROLLED_CHARM);
}

bool Unit::CanAttackByItself() const
{
    if (!IsVehicle())
    {
        return true;
    }

    for (uint8 i = 0; i < MAX_VEHICLE_SEAT; ++i)
    {
        if (uint32 seatId = m_vehicleInfo->GetVehicleEntry()->m_seatID[i])
        {
            if (VehicleSeatEntry const* seatEntry = sVehicleSeatStore.LookupEntry(seatId))
            {
                if (seatEntry->m_flags & SEAT_FLAG_CAN_CONTROL)
                {
                    return false;
                }
            }
        }
    }

    return true;
}

void Unit::RemoveAllAttackers()
{
    while (!m_attackers.empty())
    {
        AttackerSet::iterator iter = m_attackers.begin();
        if (!(*iter)->AttackStop())
        {
            sLog.outError("WORLD: Unit has an attacker that isn't attacking it!");
            m_attackers.erase(iter);
        }
    }
}

bool Unit::HasAuraStateForCaster(AuraState flag, ObjectGuid casterGuid) const
{
    if (!HasAuraState(flag))
    {
        return false;
    }

    // single per-caster aura state
    if (flag == AURA_STATE_CONFLAGRATE)
    {
        Unit::AuraList const& dotList = GetAurasByType(SPELL_AURA_PERIODIC_DAMAGE);
        for (Unit::AuraList::const_iterator i = dotList.begin(); i != dotList.end(); ++i)
        {
            if ((*i)->GetCasterGuid() == casterGuid &&
                    //  Immolate or Shadowflame
                    (*i)->GetSpellProto()->IsFitToFamily(SPELLFAMILY_WARLOCK, UI64LIT(0x0000000000000004), 0x00000002))
            {
                return true;
            }
        }

        return false;
    }

    return true;
}

void Unit::ModifyAuraState(AuraState flag, bool apply)
{
    if (apply)
    {
        if (!HasFlag(UNIT_FIELD_AURASTATE, 1 << (flag - 1)))
        {
            SetFlag(UNIT_FIELD_AURASTATE, 1 << (flag - 1));
            if (GetTypeId() == TYPEID_PLAYER)
            {
                const PlayerSpellMap& sp_list = ((Player*)this)->GetSpellMap();
                for (PlayerSpellMap::const_iterator itr = sp_list.begin(); itr != sp_list.end(); ++itr)
                {
                    if (itr->second.state == PLAYERSPELL_REMOVED)
                    {
                        continue;
                    }
                    SpellEntry const* spellInfo = sSpellStore.LookupEntry(itr->first);
                    if (!spellInfo || !IsPassiveSpell(spellInfo))
                    {
                        continue;
                    }
                    if (AuraState(spellInfo->GetCasterAuraState()) == flag)
                    {
                        CastSpell(this, itr->first, true, NULL);
                    }
                }
            }
        }
    }
    else
    {
        if (HasFlag(UNIT_FIELD_AURASTATE, 1 << (flag - 1)))
        {
            RemoveFlag(UNIT_FIELD_AURASTATE, 1 << (flag - 1));

            if (flag != AURA_STATE_ENRAGE)                  // enrage aura state triggering continues auras
            {
                Unit::SpellAuraHolderMap& tAuras = GetSpellAuraHolderMap();
                for (Unit::SpellAuraHolderMap::iterator itr = tAuras.begin(); itr != tAuras.end();)
                {
                    SpellEntry const* spellProto = (*itr).second->GetSpellProto();
                    if (AuraState(spellProto->GetCasterAuraState()) == flag)
                    {
                        RemoveSpellAuraHolder(itr->second);
                        itr = tAuras.begin();
                    }
                    else
                    {
                        ++itr;
                    }
                }
            }
        }
    }
}

Unit* Unit::GetOwner() const
{
    if (ObjectGuid ownerid = GetOwnerGuid())
    {
        return ObjectAccessor::GetUnit(*this, ownerid);
    }
    return NULL;
}

Unit* Unit::GetCharmer() const
{
    if (ObjectGuid charmerid = GetCharmerGuid())
    {
        return ObjectAccessor::GetUnit(*this, charmerid);
    }
    return NULL;
}

bool Unit::IsCharmerOrOwnerPlayerOrPlayerItself() const
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        return true;
    }

    return GetCharmerOrOwnerGuid().IsPlayer();
}

Player* Unit::GetCharmerOrOwnerPlayerOrPlayerItself()
{
    ObjectGuid guid = GetCharmerOrOwnerGuid();
    if (guid.IsPlayer())
    {
        return ObjectAccessor::FindPlayer(guid);
    }

    return GetTypeId() == TYPEID_PLAYER ? (Player*)this : NULL;
}

Player const* Unit::GetCharmerOrOwnerPlayerOrPlayerItself() const
{
    ObjectGuid guid = GetCharmerOrOwnerGuid();
    if (guid.IsPlayer())
    {
        return ObjectAccessor::FindPlayer(guid);
    }

    return GetTypeId() == TYPEID_PLAYER ? (Player const*)this : NULL;
}

Pet* Unit::GetPet() const
{
    if (ObjectGuid pet_guid = GetPetGuid())
    {
        if (Pet* pet = GetMap()->GetPet(pet_guid))
        {
            return pet;
        }

        sLog.outError("Unit::GetPet: %s not exist.", pet_guid.GetString().c_str());
        const_cast<Unit*>(this)->SetPet(0);
    }

    return NULL;
}

Pet* Unit::_GetPet(ObjectGuid guid) const
{
    return GetMap()->GetPet(guid);
}

void Unit::RemoveMiniPet()
{
    if (Pet* pet = GetMiniPet())
    {
        pet->Unsummon(PET_SAVE_AS_DELETED, this);
    }
    else
    {
        SetCritterGuid(ObjectGuid());
    }
}

Pet* Unit::GetMiniPet() const
{
    if (!GetCritterGuid())
    {
        return NULL;
    }

    return GetMap()->GetPet(GetCritterGuid());
}

Unit* Unit::GetCharm() const
{
    if (ObjectGuid charm_guid = GetCharmGuid())
    {
        if (Unit* pet = ObjectAccessor::GetUnit(*this, charm_guid))
        {
            return pet;
        }

        sLog.outError("Unit::GetCharm: Charmed %s not exist.", charm_guid.GetString().c_str());
        const_cast<Unit*>(this)->SetCharm(NULL);
    }

    return NULL;
}

void Unit::Uncharm()
{
    if (Unit* charm = GetCharm())
    {
        charm->RemoveSpellsCausingAura(SPELL_AURA_MOD_CHARM);
        charm->RemoveSpellsCausingAura(SPELL_AURA_MOD_POSSESS);
        charm->RemoveSpellsCausingAura(SPELL_AURA_MOD_POSSESS_PET);

        // TODO:: find a way to get rid of this bad hack to remove Raise ally aura
        if (charm->GetTypeId() == TYPEID_UNIT)
        {
            uint32 createdBySpellId = charm->GetUInt32Value(UNIT_CREATED_BY_SPELL);
            if (static_cast<Creature*>(charm)->IsTemporarySummon() && createdBySpellId)
            {
                RemoveAurasDueToSpell(createdBySpellId);
            }
        }
    }
}

void Unit::SetPet(Pet* pet)
{
    SetPetGuid(pet ? pet->GetObjectGuid() : ObjectGuid());

    if (pet && GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->SendPetGUIDs();
    }
}

void Unit::SetCharm(Unit* pet)
{
    SetCharmGuid(pet ? pet->GetObjectGuid() : ObjectGuid());
}

void Unit::AddGuardian(Pet* pet)
{
    m_guardianPets.insert(pet->GetObjectGuid());
}

void Unit::RemoveGuardian(Pet* pet)
{
    m_guardianPets.erase(pet->GetObjectGuid());
}

void Unit::RemoveGuardians()
{
    while (!m_guardianPets.empty())
    {
        ObjectGuid guid = *m_guardianPets.begin();

        if (Pet* pet = GetMap()->GetPet(guid))
        {
            pet->Unsummon(PET_SAVE_AS_DELETED, this); // can remove pet guid from m_guardianPets
        }

        m_guardianPets.erase(guid);
    }
}

Pet* Unit::FindGuardianWithEntry(uint32 entry)
{
    for (GuidSet::const_iterator itr = m_guardianPets.begin(); itr != m_guardianPets.end(); ++itr)
        if (Pet* pet = GetMap()->GetPet(*itr))
            if (pet->GetEntry() == entry)
            {
                return pet;
            }

    return NULL;
}

Pet* Unit::GetProtectorPet()
{
    for (GuidSet::const_iterator itr = m_guardianPets.begin(); itr != m_guardianPets.end(); ++itr)
        if (Pet* pet = GetMap()->GetPet(*itr))
            if (pet->getPetType() == PROTECTOR_PET)
            {
                return pet;
            }

    return NULL;
}

Unit* Unit::_GetTotem(TotemSlot slot) const
{
    return GetTotem(slot);
}

Totem* Unit::GetTotem(TotemSlot slot) const
{
    if (slot >= MAX_TOTEM_SLOT || !IsInWorld() || !m_TotemSlot[slot])
    {
        return NULL;
    }

    Creature* totem = GetMap()->GetCreature(m_TotemSlot[slot]);
    return totem && totem->IsTotem() ? (Totem*)totem : NULL;
}

bool Unit::IsAllTotemSlotsUsed() const
{
    for (int i = 0; i < MAX_TOTEM_SLOT; ++i)
        if (!m_TotemSlot[i])
        {
            return false;
        }
    return true;
}

void Unit::_AddTotem(TotemSlot slot, Totem* totem)
{
    m_TotemSlot[slot] = totem->GetObjectGuid();
}

void Unit::_RemoveTotem(Totem* totem)
{
    for (int i = 0; i < MAX_TOTEM_SLOT; ++i)
    {
        if (m_TotemSlot[i] == totem->GetObjectGuid())
        {
            m_TotemSlot[i].Clear();
            break;
        }
    }
}

void Unit::UnsummonAllTotems()
{
    for (int i = 0; i < MAX_TOTEM_SLOT; ++i)
        if (Totem* totem = GetTotem(TotemSlot(i)))
        {
            totem->UnSummon();
        }
}

int32 Unit::DealHeal(Unit* pVictim, uint32 addhealth, SpellEntry const* spellProto, bool critical, uint32 absorb)
{
    int32 gain = pVictim->ModifyHealth(int32(addhealth));

    Unit* unit = this;

    if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsTotem() && ((Totem*)this)->GetTotemType() != TOTEM_STATUE)
    {
        unit = GetOwner();
    }

    // overheal = addhealth - gain
    unit->SendHealSpellLog(pVictim, spellProto->Id, addhealth, addhealth - gain, critical, absorb);

    if (unit->GetTypeId() == TYPEID_PLAYER)
    {
        if (BattleGround* bg = ((Player*)unit)->GetBattleGround())
        {
            bg->UpdatePlayerScore((Player*)unit, SCORE_HEALING_DONE, gain);
        }

        // use the actual gain, as the overheal shall not be counted, skip gain 0 (it ignored anyway in to criteria)
        if (gain)
        {
            ((Player*)unit)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_HEALING_DONE, gain, 0, pVictim);
        }

        ((Player*)unit)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_HIGHEST_HEAL_CASTED, addhealth);
    }

    if (pVictim->GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)pVictim)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_TOTAL_HEALING_RECEIVED, gain);
        ((Player*)pVictim)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_HIGHEST_HEALING_RECEIVED, addhealth);
    }

    // Script Event HealedBy
    if (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->AI())
    {
        ((Creature*)pVictim)->AI()->HealedBy(this, addhealth);
    }

    return gain;
}

Unit* Unit::SelectMagnetTarget(Unit* victim, Spell* spell, SpellEffectIndex eff)
{
    if (!victim)
    {
        return NULL;
    }

    // Magic case
    if (spell && (spell->m_spellInfo->GetDmgClass() == SPELL_DAMAGE_CLASS_NONE || spell->m_spellInfo->GetDmgClass() == SPELL_DAMAGE_CLASS_MAGIC))
    {
        Unit::AuraList const& magnetAuras = victim->GetAurasByType(SPELL_AURA_SPELL_MAGNET);
        for (Unit::AuraList::const_iterator itr = magnetAuras.begin(); itr != magnetAuras.end(); ++itr)
        {
            if (Unit* magnet = (*itr)->GetCaster())
            {
                if (magnet->IsAlive() && magnet->IsWithinLOSInMap(this) && spell->CheckTarget(magnet, eff))
                {
                    return magnet;
                }
            }
        }
    }
    // Melee && ranged case
    else
    {
        AuraList const& hitTriggerAuras = victim->GetAurasByType(SPELL_AURA_ADD_CASTER_HIT_TRIGGER);
        for (AuraList::const_iterator i = hitTriggerAuras.begin(); i != hitTriggerAuras.end(); ++i)
        {
            if (Unit* magnet = (*i)->GetCaster())
            {
                if (magnet->IsAlive() && magnet->IsWithinLOSInMap(this) && (!spell || spell->CheckTarget(magnet, eff)))
                {
                    if (roll_chance_i((*i)->GetModifier()->m_amount))
                    {
                        return magnet;
                    }
                }
            }
        }
    }

    return victim;
}

void Unit::SendHealSpellLog(Unit* pVictim, uint32 SpellID, uint32 Damage, uint32 OverHeal, bool critical, uint32 absorb)
{
    // we guess size
    WorldPacket data(SMSG_SPELLHEALLOG, (8 + 8 + 4 + 4 + 1));
    data << pVictim->GetPackGUID();
    data << GetPackGUID();
    data << uint32(SpellID);
    data << uint32(Damage);
    data << uint32(OverHeal);
    data << uint32(absorb);
    data << uint8(critical ? 1 : 0);
    data << uint8(0);                                       // unused in client?
    SendMessageToSet(&data, true);
}

void Unit::SendEnergizeSpellLog(Unit* pVictim, uint32 SpellID, uint32 Damage, Powers powertype)
{
    WorldPacket data(SMSG_SPELLENERGIZELOG, (8 + 8 + 4 + 4 + 4 + 1));
    data << pVictim->GetPackGUID();
    data << GetPackGUID();
    data << uint32(SpellID);
    data << uint32(powertype);
    data << uint32(Damage);
    SendMessageToSet(&data, true);
}

void Unit::EnergizeBySpell(Unit* pVictim, uint32 SpellID, uint32 Damage, Powers powertype)
{
    SendEnergizeSpellLog(pVictim, SpellID, Damage, powertype);
    // needs to be called after sending spell log
    pVictim->ModifyPower(powertype, Damage);
}

/** Calculate spell coefficents and level penalties for spell/melee damage or heal
 *
 * this is the caster of the spell/ melee attacker
 * @param spellProto SpellEntry of the used spell
 * @param total current value onto which the Bonus and level penalty will be calculated
 * @param benefit additional benefit from ie spellpower-auras
 * @param ap_benefit additional melee attackpower benefit from auras
 * @param damagetype what kind of damage
 * @param donePart calculate for done or taken
 * @param defCoeffMod default coefficient for additional scaling (i.e. normal player healing SCALE_SPELLPOWER_HEALING)
 */
int32 Unit::SpellBonusWithCoeffs(SpellEntry const* spellProto, int32 total, int32 benefit, int32 ap_benefit,  DamageEffectType damagetype, bool donePart, float defCoeffMod)
{
    // Distribute Damage over multiple effects, reduce by AoE
    float coeff = 1.0f;

    // Not apply this to creature casted spells
    if (GetTypeId() == TYPEID_UNIT && !((Creature*)this)->IsPet())
    {
        coeff = 1.0f;
    }
    // Check for table values
    else if (SpellBonusEntry const* bonus = sSpellMgr.GetSpellBonusData(spellProto->Id))
    {
        coeff = damagetype == DOT ? bonus->dot_damage : bonus->direct_damage;

        // apply ap bonus at done part calculation only (it flat total mod so common with taken)
        if (donePart && (bonus->ap_bonus || bonus->ap_dot_bonus))
        {
            float ap_bonus = damagetype == DOT ? bonus->ap_dot_bonus : bonus->ap_bonus;

            // Impurity
            if (GetTypeId() == TYPEID_PLAYER && spellProto->GetSpellFamilyName() == SPELLFAMILY_DEATHKNIGHT)
            {
                if (SpellEntry const* spell = ((Player*)this)->GetKnownTalentRankById(2005))
                {
                    ap_bonus += ((spell->CalculateSimpleValue(EFFECT_INDEX_0) * ap_bonus) / 100.0f);
                }
            }

            total += int32(ap_bonus * (GetTotalAttackPowerValue(IsSpellRequiresRangedAP(spellProto) ? RANGED_ATTACK : BASE_ATTACK) + ap_benefit));
        }
    }
    // Default calculation
    else if (benefit)
    {
        coeff = CalculateDefaultCoefficient(spellProto, damagetype) * defCoeffMod;
    }

    if (benefit)
    {
        float LvlPenalty = CalculateLevelPenalty(spellProto);

        // Spellmod SpellDamage
        if (Player* modOwner = GetSpellModOwner())
        {
            coeff *= 100.0f;
            modOwner->ApplySpellMod(spellProto->Id, SPELLMOD_SPELL_BONUS_DAMAGE, coeff);
            coeff /= 100.0f;
        }

        total += int32(benefit * coeff * LvlPenalty);
    }

    return total;
};

/**
 * Calculates caster part of spell damage bonuses,
 * also includes different bonuses dependent from target auras
 */
uint32 Unit::SpellDamageBonusDone(Unit* pVictim, SpellEntry const* spellProto, uint32 pdamage, DamageEffectType damagetype, uint32 stack)
{
    if (!spellProto || !pVictim || damagetype == DIRECT_DAMAGE || spellProto->HasAttribute(SPELL_ATTR_EX6_NO_DMG_MODS))
    {
        return pdamage;
    }

    // For totems get damage bonus from owner (statue isn't totem in fact)
    if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsTotem() && ((Totem*)this)->GetTotemType() != TOTEM_STATUE)
    {
        if (Unit* owner = GetOwner())
        {
            return owner->SpellDamageBonusDone(pVictim, spellProto, pdamage, damagetype);
        }
    }

    uint32 creatureTypeMask = pVictim->GetCreatureTypeMask();
    float DoneTotalMod = 1.0f;
    int32 DoneTotal = 0;

    // Creature damage
    if (GetTypeId() == TYPEID_UNIT && !((Creature*)this)->IsPet())
    {
        DoneTotalMod *= ((Creature*)this)->_GetSpellDamageMod(((Creature*)this)->GetCreatureInfo()->Rank);
    }

    AuraList const& mModDamagePercentDone = GetAurasByType(SPELL_AURA_MOD_DAMAGE_PERCENT_DONE);
    for (AuraList::const_iterator i = mModDamagePercentDone.begin(); i != mModDamagePercentDone.end(); ++i)
    {
        SpellEquippedItemsEntry const* spellEquip = (*i)->GetSpellProto()->GetSpellEquippedItems();
        if( ((*i)->GetModifier()->m_miscvalue & GetSpellSchoolMask(spellProto)) &&
            (!spellEquip || spellEquip->EquippedItemClass == -1 &&
                                                            // -1 == any item class (not wand then)
            spellEquip->EquippedItemInventoryTypeMask == 0))
                                                            // 0 == any inventory type (not wand then)
        {
            DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
        }
    }

    // Add flat bonus from spell damage versus
    DoneTotal += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_FLAT_SPELL_DAMAGE_VERSUS, creatureTypeMask);

    // Add pct bonus from spell damage versus
    DoneTotalMod *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_DAMAGE_DONE_VERSUS, creatureTypeMask);

    // Add flat bonus from spell damage creature
    DoneTotal += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_DAMAGE_DONE_CREATURE, creatureTypeMask);

    if (GetPowerType() == POWER_MANA)
    {
        Unit::AuraList const& doneFromManaPctAuras = GetAurasByType(SPELL_AURA_MOD_DAMAGE_DONE_FROM_PCT_POWER);
        if (!doneFromManaPctAuras.empty())
        {
            float powerPct = std::min(float(GetPower(POWER_MANA)) / GetMaxPower(POWER_MANA), 1.0f);
            for (Unit::AuraList::const_iterator itr = doneFromManaPctAuras.begin(); itr != doneFromManaPctAuras.end(); ++itr)
            {
                if (GetSpellSchoolMask(spellProto) & (*itr)->GetModifier()->m_miscvalue)
                {
                    DoneTotalMod *= (100.0f + (*itr)->GetModifier()->m_amount * powerPct) / 100.0f;
                }
            }
        }
    }

    // done scripted mod (take it from owner)
    Unit* owner = GetOwner();
    if (!owner)
    {
        owner = this;
    }

    AuraList const& mOverrideClassScript = owner->GetAurasByType(SPELL_AURA_OVERRIDE_CLASS_SCRIPTS);
    for (AuraList::const_iterator i = mOverrideClassScript.begin(); i != mOverrideClassScript.end(); ++i)
    {
        if (!(*i)->isAffectedOnSpell(spellProto))
        {
            continue;
        }
        switch ((*i)->GetModifier()->m_miscvalue)
        {
                // Molten Fury
            case 4920:
            case 4919:
            case 6917: // Death's Embrace
            case 6926:
            case 6928:
            {
                if (pVictim->HasAuraState(AURA_STATE_HEALTHLESS_35_PERCENT))
                {
                    DoneTotalMod *= (100.0f + (*i)->GetModifier()->m_amount) / 100.0f;
                }
                break;
            }
            // Soul Siphon
            case 4992:
            case 4993:
            {
                // effect 1 m_amount
                int32 maxPercent = (*i)->GetModifier()->m_amount;
                // effect 0 m_amount
                int32 stepPercent = CalculateSpellDamage(this, (*i)->GetSpellProto(), EFFECT_INDEX_0);
                // count affliction effects and calc additional damage in percentage
                int32 modPercent = 0;
                SpellAuraHolderMap const& victimAuras = pVictim->GetSpellAuraHolderMap();
                for (SpellAuraHolderMap::const_iterator itr = victimAuras.begin(); itr != victimAuras.end(); ++itr)
                {
                    SpellEntry const* m_spell = itr->second->GetSpellProto();
                    SpellClassOptionsEntry const* itrClassOptions = m_spell->GetSpellClassOptions();
                    if (itrClassOptions && (itrClassOptions->SpellFamilyName != SPELLFAMILY_WARLOCK || !(itrClassOptions->SpellFamilyFlags & UI64LIT(0x0004071B8044C402))))
                    {
                        continue;
                    }
                    modPercent += stepPercent * itr->second->GetStackAmount();
                    if (modPercent >= maxPercent)
                    {
                        modPercent = maxPercent;
                        break;
                    }
                }
                DoneTotalMod *= (modPercent + 100.0f) / 100.0f;
                break;
            }
            case 6916: // Death's Embrace
            case 6925:
            case 6927:
                if (HasAuraState(AURA_STATE_HEALTHLESS_20_PERCENT))
                {
                    DoneTotalMod *= (100.0f + (*i)->GetModifier()->m_amount) / 100.0f;
                }
                break;
            case 5481: // Starfire Bonus
            {
                if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_DRUID, UI64LIT(0x0000000000200002)))
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            }
            case 4418: // Increased Shock Damage
            case 4554: // Increased Lightning Damage
            case 4555: // Improved Moonfire
            case 5142: // Increased Lightning Damage
            case 5147: // Improved Consecration / Libram of Resurgence
            case 5148: // Idol of the Shooting Star
            case 6008: // Increased Lightning Damage
            case 8627: // Totem of Hex
            {
                DoneTotal += (*i)->GetModifier()->m_amount;
                break;
            }
            // Tundra Stalker
            // Merciless Combat
            case 7277:
            {
                // Merciless Combat
                if ((*i)->GetSpellProto()->SpellIconID == 2656)
                {
                    if (pVictim->HasAuraState(AURA_STATE_HEALTHLESS_35_PERCENT))
                    {
                        DoneTotalMod *= (100.0f + (*i)->GetModifier()->m_amount) / 100.0f;
                    }
                }
                else // Tundra Stalker
                {
                    // Frost Fever (target debuff)
                    if (pVictim->GetAura(SPELL_AURA_MOD_MELEE_HASTE, SPELLFAMILY_DEATHKNIGHT, UI64LIT(0x0000000000000000), 0x00000002))
                    {
                        DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                    }
                    break;
                }
                break;
            }
            case 7293: // Rage of Rivendare
            {
                if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_DEATHKNIGHT, UI64LIT(0x0200000000000000)))
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            }
            // Twisted Faith
            case 7377:
            {
                if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_PRIEST, UI64LIT(0x0000000000008000), 0, GetObjectGuid()))
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            }
            // Marked for Death
            case 7598:
            case 7599:
            case 7600:
            case 7601:
            case 7602:
            {
                if (pVictim->GetAura(SPELL_AURA_MOD_STALKED, SPELLFAMILY_HUNTER, UI64LIT(0x0000000000000400)))
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            }
        }
    }

    SpellClassOptionsEntry const* classOptions = spellProto->GetSpellClassOptions();

     // Custom scripted damage
    switch(spellProto->GetSpellFamilyName())
    {
        case SPELLFAMILY_MAGE:
        {
            // Ice Lance
            if (spellProto->SpellIconID == 186)
            {
                if (pVictim->IsFrozen() || IsIgnoreUnitState(spellProto, IGNORE_UNIT_TARGET_NON_FROZEN))
                {
                    float multiplier = 3.0f;

                    // if target have higher level
                    if (pVictim->getLevel() > getLevel())
                        // Glyph of Ice Lance
                        if (Aura* glyph = GetDummyAura(56377))
                        {
                            multiplier = glyph->GetModifier()->m_amount;
                        }

                    DoneTotalMod *= multiplier;
                }
            }
            // Torment the weak affected (Arcane Barrage, Arcane Blast, Frostfire Bolt, Arcane Missiles, Fireball)
            if (classOptions && (classOptions->SpellFamilyFlags & UI64LIT(0x0000900020200021)) &&
                (pVictim->HasAuraType(SPELL_AURA_MOD_DECREASE_SPEED) || pVictim->HasAuraType(SPELL_AURA_HASTE_ALL)))
            {
                // Search for Torment the weak dummy aura
                Unit::AuraList const& ttw = GetAurasByType(SPELL_AURA_DUMMY);
                for (Unit::AuraList::const_iterator i = ttw.begin(); i != ttw.end(); ++i)
                {
                    if ((*i)->GetSpellProto()->SpellIconID == 3263)
                    {
                        DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                        break;
                    }
                }
            }
            break;
        }
        case SPELLFAMILY_WARLOCK:
        {
            // Drain Soul
            if (classOptions && classOptions->SpellFamilyFlags & UI64LIT(0x0000000000004000))
            {
                if (pVictim->GetHealth() * 100 / pVictim->GetMaxHealth() <= 25)
                {
                    DoneTotalMod *= 4;
                }
            }
            break;
        }
        case SPELLFAMILY_PRIEST:
        {
            // Smite
            if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000000080)))
            {
                // Holy Fire
                if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_PRIEST, UI64LIT(0x00100000)))
                    // Glyph of Smite
                    if (Aura* aur = GetAura(55692, EFFECT_INDEX_0))
                    {
                        DoneTotalMod *= (aur->GetModifier()->m_amount + 100.0f) / 100.0f;
                    }
            }
            // Shadow word: Death
            else if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000000200000000)))
            {
                // Glyph of Shadow word: Death
                if (SpellAuraHolder const* glyph = GetSpellAuraHolder(55682))
                {
                    Aura const* hpPct = glyph->GetAuraByEffectIndex(EFFECT_INDEX_0);
                    Aura const* dmPct = glyph->GetAuraByEffectIndex(EFFECT_INDEX_1);
                    if (hpPct && dmPct && pVictim->GetHealth() * 100 <= pVictim->GetMaxHealth() * hpPct->GetModifier()->m_amount)
                    {
                        DoneTotalMod *= (dmPct->GetModifier()->m_amount + 100.0f) / 100.0f;
                    }
                }
            }
            break;
        }
        case SPELLFAMILY_DRUID:
        {
            // Improved Insect Swarm (Wrath part)
            if (classOptions && classOptions->SpellFamilyFlags & UI64LIT(0x0000000000000001))
            {
                // if Insect Swarm on target
                if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_DRUID, UI64LIT(0x000000000200000), 0, GetObjectGuid()))
                {
                    Unit::AuraList const& improvedSwarm = GetAurasByType(SPELL_AURA_DUMMY);
                    for (Unit::AuraList::const_iterator iter = improvedSwarm.begin(); iter != improvedSwarm.end(); ++iter)
                    {
                        if ((*iter)->GetSpellProto()->SpellIconID == 1771)
                        {
                            DoneTotalMod *= ((*iter)->GetModifier()->m_amount + 100.0f) / 100.0f;
                            break;
                        }
                    }
                }
            }
            break;
        }
        case SPELLFAMILY_DEATHKNIGHT:
        {
            // Icy Touch and Howling Blast
            if (classOptions && classOptions->SpellFamilyFlags & UI64LIT(0x0000000200000002))
            {
                // search disease
                bool found = false;
                Unit::SpellAuraHolderMap const& auras = pVictim->GetSpellAuraHolderMap();
                for (Unit::SpellAuraHolderMap::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
                {
                    if(itr->second->GetSpellProto()->GetDispel() == DISPEL_DISEASE)
                    {
                        found = true;
                        break;
                    }
                }
                if (!found)
                {
                    break;
                }

                // search for Glacier Rot dummy aura
                Unit::AuraList const& dummyAuras = GetAurasByType(SPELL_AURA_DUMMY);
                for (Unit::AuraList::const_iterator i = dummyAuras.begin(); i != dummyAuras.end(); ++i)
                {
                    if ((*i)->GetSpellProto()->GetEffectMiscValue((*i)->GetEffIndex()) == 7244)
                    {
                        DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                        break;
                    }
                }
            }
            // Death Coil (bonus from Item - Death Knight T8 DPS Relic)
            else if (classOptions && classOptions->SpellFamilyFlags & UI64LIT(0x00002000))
            {
                if (Aura* sigil = GetDummyAura(64962))
                {
                    DoneTotal += sigil->GetModifier()->m_amount;
                }
            }
            break;
        }
        default:
            break;
    }

    // Done fixed damage bonus auras
    int32 DoneAdvertisedBenefit = SpellBaseDamageBonusDone(GetSpellSchoolMask(spellProto));

    // Pets just add their bonus damage to their spell damage
    // note that their spell damage is just gain of their own auras
    if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet())
    {
        DoneAdvertisedBenefit += ((Pet*)this)->GetBonusDamage();
    }

    // apply ap bonus and benefit affected by spell power implicit coeffs and spell level penalties
    DoneTotal = SpellBonusWithCoeffs(spellProto, DoneTotal, DoneAdvertisedBenefit, 0, damagetype, true);

    float tmpDamage = (int32(pdamage) + DoneTotal * int32(stack)) * DoneTotalMod;
    // apply spellmod to Done damage (flat and pct)
    if (Player* modOwner = GetSpellModOwner())
    {
        modOwner->ApplySpellMod(spellProto->Id, damagetype == DOT ? SPELLMOD_DOT : SPELLMOD_DAMAGE, tmpDamage);
    }

    return tmpDamage > 0 ? uint32(tmpDamage) : 0;
}

/*
 * Calculates target part of spell damage bonuses,
 * will be called on each tick for periodic damage over time auras
 */
uint32 Unit::SpellDamageBonusTaken(Unit* pCaster, SpellEntry const* spellProto, uint32 pdamage, DamageEffectType damagetype, uint32 stack)
{
    if (!spellProto || !pCaster || damagetype == DIRECT_DAMAGE)
    {
        return pdamage;
    }

    uint32 schoolMask = spellProto->SchoolMask;

    // Taken total percent damage auras
    float TakenTotalMod = 1.0f;
    int32 TakenTotal = 0;

    // ..taken
    TakenTotalMod *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_DAMAGE_PERCENT_TAKEN, schoolMask);

    // .. taken pct: dummy auras
    AuraList const& mDummyAuras = GetAurasByType(SPELL_AURA_DUMMY);
    for (AuraList::const_iterator i = mDummyAuras.begin(); i != mDummyAuras.end(); ++i)
    {
        switch ((*i)->GetId())
        {
            case 45182:                                     // Cheating Death
                if ((*i)->GetModifier()->m_miscvalue & SPELL_SCHOOL_MASK_NORMAL)
                {
                    if (GetTypeId() != TYPEID_PLAYER)
                    {
                        continue;
                    }

                    TakenTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            case 20911:                                     // Blessing of Sanctuary
            case 25899:                                     // Greater Blessing of Sanctuary
                TakenTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                break;
            case 47580:                                     // Pain and Suffering (Rank 1)      TODO: can be pct modifier aura
            case 47581:                                     // Pain and Suffering (Rank 2)
            case 47582:                                     // Pain and Suffering (Rank 3)
                // Shadow Word: Death
                if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000000200000000)))
                {
                    TakenTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
        }
    }

    // From caster spells
    AuraList const& mOwnerTaken = GetAurasByType(SPELL_AURA_MOD_DAMAGE_FROM_CASTER);
    for (AuraList::const_iterator i = mOwnerTaken.begin(); i != mOwnerTaken.end(); ++i)
    {
        if ((*i)->GetCasterGuid() == pCaster->GetObjectGuid() && (*i)->isAffectedOnSpell(spellProto))
        {
            TakenTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
        }
    }

    // Mod damage from spell mechanic
    TakenTotalMod *= GetTotalAuraMultiplierByMiscValueForMask(SPELL_AURA_MOD_MECHANIC_DAMAGE_TAKEN_PERCENT, GetAllSpellMechanicMask(spellProto));

    // Mod damage taken from AoE spells
    if (IsAreaOfEffectSpell(spellProto))
    {
        TakenTotalMod *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_AOE_DAMAGE_AVOIDANCE, schoolMask);
        if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet())
        {
            TakenTotalMod *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_PET_AOE_DAMAGE_AVOIDANCE, schoolMask);
        }
    }

    // Taken fixed damage bonus auras
    int32 TakenAdvertisedBenefit = SpellBaseDamageBonusTaken(GetSpellSchoolMask(spellProto));

    // apply benefit affected by spell power implicit coeffs and spell level penalties
    TakenTotal = pCaster->SpellBonusWithCoeffs(spellProto, TakenTotal, TakenAdvertisedBenefit, 0, damagetype, false);

    float tmpDamage = (int32(pdamage) + TakenTotal * int32(stack)) * TakenTotalMod;

    return tmpDamage > 0 ? uint32(tmpDamage) : 0;
}

int32 Unit::SpellBaseDamageBonusDone(SpellSchoolMask schoolMask)
{
    int32 DoneAdvertisedBenefit = 0;

    Unit::AuraList const& mOverrideSpellPowerAuras = GetAurasByType(SPELL_AURA_OVERRIDE_SPELL_POWER_BY_AP_PCT);
    if (!mOverrideSpellPowerAuras.empty())
    {
        for (Unit::AuraList::const_iterator itr = mOverrideSpellPowerAuras.begin(); itr != mOverrideSpellPowerAuras.end(); ++itr)
            if (schoolMask & (*itr)->GetModifier()->m_miscvalue)
            {
                DoneAdvertisedBenefit += (*itr)->GetModifier()->m_amount;
            }

        return int32(GetTotalAttackPowerValue(BASE_ATTACK) * (100.0f + DoneAdvertisedBenefit) / 100.0f);
    }

    // ..done
    AuraList const& mDamageDone = GetAurasByType(SPELL_AURA_MOD_DAMAGE_DONE);
    for (AuraList::const_iterator i = mDamageDone.begin(); i != mDamageDone.end(); ++i)
    {
        SpellEquippedItemsEntry const* spellEquip = (*i)->GetSpellProto()->GetSpellEquippedItems();
        if (((*i)->GetModifier()->m_miscvalue & schoolMask) != 0 &&
            (!spellEquip || spellEquip->EquippedItemClass == -1 &&      // -1 == any item class (not wand then)
            spellEquip->EquippedItemInventoryTypeMask == 0))            //  0 == any inventory type (not wand then)
                DoneAdvertisedBenefit += (*i)->GetModifier()->m_amount;
    }

    if (GetTypeId() == TYPEID_PLAYER)
    {
        // Base value
        DoneAdvertisedBenefit += ((Player*)this)->GetBaseSpellPowerBonus();

        if (GetPowerIndex(POWER_MANA) != INVALID_POWER_INDEX)
        {
            DoneAdvertisedBenefit += std::max(0, int32(GetStat(STAT_INTELLECT)) - 10);  // spellpower from intellect
        }

        // Damage bonus from stats
        AuraList const& mDamageDoneOfStatPercent = GetAurasByType(SPELL_AURA_MOD_SPELL_DAMAGE_OF_STAT_PERCENT);
        for (AuraList::const_iterator i = mDamageDoneOfStatPercent.begin(); i != mDamageDoneOfStatPercent.end(); ++i)
        {
            if ((*i)->GetModifier()->m_miscvalue & schoolMask)
            {
                // stat used stored in miscValueB for this aura
                Stats usedStat = Stats((*i)->GetMiscBValue());
                DoneAdvertisedBenefit += int32(GetStat(usedStat) * (*i)->GetModifier()->m_amount / 100.0f);
            }
        }
        // ... and attack power
        AuraList const& mDamageDonebyAP = GetAurasByType(SPELL_AURA_MOD_SPELL_DAMAGE_OF_ATTACK_POWER);
        for (AuraList::const_iterator i = mDamageDonebyAP.begin(); i != mDamageDonebyAP.end(); ++i)
        {
            if ((*i)->GetModifier()->m_miscvalue & schoolMask)
            {
                DoneAdvertisedBenefit += int32(GetTotalAttackPowerValue(BASE_ATTACK) * (*i)->GetModifier()->m_amount / 100.0f);
            }
        }
    }

    // pct spell power modifier
    Unit::AuraList const& mSpellPowerPctAuras = GetAurasByType(SPELL_AURA_MOD_INCREASE_SPELL_POWER_PCT);
    for (Unit::AuraList::const_iterator itr = mSpellPowerPctAuras.begin(); itr != mSpellPowerPctAuras.end(); ++itr)
    {
        if (!(*itr)->GetModifier()->m_miscvalue || (*itr)->GetModifier()->m_miscvalue & schoolMask)
        {
            DoneAdvertisedBenefit = int32(DoneAdvertisedBenefit * (100.0f + (*itr)->GetModifier()->m_amount) / 100.0f);
        }
    }

    return DoneAdvertisedBenefit;
}

int32 Unit::SpellBaseDamageBonusTaken(SpellSchoolMask schoolMask)
{
    int32 TakenAdvertisedBenefit = 0;

    // ..taken
    AuraList const& mDamageTaken = GetAurasByType(SPELL_AURA_MOD_DAMAGE_TAKEN);
    for (AuraList::const_iterator i = mDamageTaken.begin(); i != mDamageTaken.end(); ++i)
    {
        if (((*i)->GetModifier()->m_miscvalue & schoolMask) != 0)
        {
            TakenAdvertisedBenefit += (*i)->GetModifier()->m_amount;
        }
    }

    return TakenAdvertisedBenefit;
}

bool Unit::IsSpellCrit(Unit* pVictim, SpellEntry const* spellProto, SpellSchoolMask schoolMask, WeaponAttackType attackType)
{
    // not critting spell
    if (spellProto->HasAttribute(SPELL_ATTR_EX2_CANT_CRIT))
    {
        return false;
    }

    // Creatures do not crit with their spells or abilities, unless it is owned by a player (pet, totem, etc)
    if (GetTypeId() != TYPEID_PLAYER)
    {
        Unit* owner = GetOwner();
        if (!owner || owner->GetTypeId() != TYPEID_PLAYER)
        {
            return false;
        }
    }

    float crit_chance = 0.0f;
    switch(spellProto->GetDmgClass())
    {
        case SPELL_DAMAGE_CLASS_NONE:
            return false;
        case SPELL_DAMAGE_CLASS_MAGIC:
        {
            if (schoolMask & SPELL_SCHOOL_MASK_NORMAL)
            {
                crit_chance = 0.0f;
            }
            // For other schools
            else if (GetTypeId() == TYPEID_PLAYER)
            {
                crit_chance = GetFloatValue(PLAYER_SPELL_CRIT_PERCENTAGE1 + GetFirstSchoolInMask(schoolMask));
            }
            else
            {
                crit_chance = float(m_baseSpellCritChance);
                crit_chance += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_SPELL_CRIT_CHANCE_SCHOOL, schoolMask);
            }
            // taken
            if (pVictim)
            {
                if (!IsPositiveSpell(spellProto->Id))
                {
                    // Modify critical chance by victim SPELL_AURA_MOD_ATTACKER_SPELL_CRIT_CHANCE
                    crit_chance += pVictim->GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_ATTACKER_SPELL_CRIT_CHANCE, schoolMask);
                    // Modify critical chance by victim SPELL_AURA_MOD_ATTACKER_SPELL_AND_WEAPON_CRIT_CHANCE
                    crit_chance += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_SPELL_AND_WEAPON_CRIT_CHANCE);
                }

                // scripted (increase crit chance ... against ... target by x%)
                // scripted (Increases the critical effect chance of your .... by x% on targets ...)
                AuraList const& mOverrideClassScript = GetAurasByType(SPELL_AURA_OVERRIDE_CLASS_SCRIPTS);
                for (AuraList::const_iterator i = mOverrideClassScript.begin(); i != mOverrideClassScript.end(); ++i)
                {
                    if (!((*i)->isAffectedOnSpell(spellProto)))
                    {
                        continue;
                    }
                    switch ((*i)->GetModifier()->m_miscvalue)
                    {
                        case  849:                          // Shatter Rank 1
                            if (pVictim->IsFrozen() || IsIgnoreUnitState(spellProto, IGNORE_UNIT_TARGET_NON_FROZEN))
                            {
                                crit_chance += 17.0f;
                            }
                            break;
                        case  910:                          // Shatter Rank 2
                            if (pVictim->IsFrozen() || IsIgnoreUnitState(spellProto, IGNORE_UNIT_TARGET_NON_FROZEN))
                            {
                                crit_chance += 34.0f;
                            }
                            break;
                        case  911:                          // Shatter Rank 3
                            if (pVictim->IsFrozen() || IsIgnoreUnitState(spellProto, IGNORE_UNIT_TARGET_NON_FROZEN))
                            {
                                crit_chance += 50.0f;
                            }
                            break;
                        case 7917:                          // Glyph of Shadowburn
                            if (pVictim->HasAuraState(AURA_STATE_HEALTHLESS_35_PERCENT))
                            {
                                crit_chance += (*i)->GetModifier()->m_amount;
                            }
                            break;
                        case 7997:                          // Renewed Hope
                        case 7998:
                            if (pVictim->HasAura(6788))
                            {
                                crit_chance += (*i)->GetModifier()->m_amount;
                            }
                            break;
                        default:
                            break;
                    }
                }

                SpellClassOptionsEntry const* classOptions = spellProto->GetSpellClassOptions();
                // Custom crit by class
                switch(spellProto->GetSpellFamilyName())
                {
                    case SPELLFAMILY_MAGE:
                    {
                        // Fire Blast
                        if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000000002)) && spellProto->SpellIconID == 12)
                        {
                            // Glyph of Fire Blast
                            if (pVictim->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_STUNNED) || pVictim->IsInRoots())
                                if (Aura* aura = GetAura(56369, EFFECT_INDEX_0))
                                {
                                    crit_chance += aura->GetModifier()->m_amount;
                                }
                        }
                        break;
                    }
                    case SPELLFAMILY_PRIEST:
                        // Flash Heal
                        if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000000800)))
                        {
                            if (pVictim->GetHealth() > pVictim->GetMaxHealth() / 2)
                            {
                                break;
                            }
                            AuraList const& mDummyAuras = GetAurasByType(SPELL_AURA_DUMMY);
                            for (AuraList::const_iterator i = mDummyAuras.begin(); i != mDummyAuras.end(); ++i)
                            {
                                // Improved Flash Heal
                                if ((*i)->GetSpellProto()->GetSpellFamilyName() == SPELLFAMILY_PRIEST &&
                                    (*i)->GetSpellProto()->SpellIconID == 2542)
                                {
                                    crit_chance += (*i)->GetModifier()->m_amount;
                                    break;
                                }
                            }
                        }
                        break;
                    case SPELLFAMILY_DRUID:
                        // Improved Insect Swarm (Starfire part)
                        if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000000004)))
                        {
                            // search for Moonfire on target
                            if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_DRUID, UI64LIT(0x000000000000002), 0, GetObjectGuid()))
                            {
                                Unit::AuraList const& improvedSwarm = GetAurasByType(SPELL_AURA_DUMMY);
                                for (Unit::AuraList::const_iterator iter = improvedSwarm.begin(); iter != improvedSwarm.end(); ++iter)
                                {
                                    if ((*iter)->GetSpellProto()->SpellIconID == 1771)
                                    {
                                        crit_chance += (*iter)->GetModifier()->m_amount;
                                        break;
                                    }
                                }
                            }
                        }
                        break;
                    case SPELLFAMILY_PALADIN:
                        // Sacred Shield
                        if (classOptions && classOptions->SpellFamilyFlags & UI64LIT(0x0000000040000000))
                        {
                            Aura* aura = pVictim->GetDummyAura(58597);
                            if (aura && aura->GetCasterGuid() == GetObjectGuid())
                            {
                                crit_chance += aura->GetModifier()->m_amount;
                            }
                        }
                        // Exorcism
                        else if (spellProto->GetCategory() == 19)
                        {
                            if (pVictim->GetCreatureTypeMask() & CREATURE_TYPEMASK_DEMON_OR_UNDEAD)
                            {
                                return true;
                            }
                        }
                        break;
                    case SPELLFAMILY_SHAMAN:
                        // Lava Burst
                        if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000100000000000)))
                        {
                            // Flame Shock
                            if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_SHAMAN, UI64LIT(0x0000000010000000), 0, GetObjectGuid()))
                            {
                                return true;
                            }
                        }
                        break;
                }
            }
            break;
        }
        case SPELL_DAMAGE_CLASS_MELEE:
        case SPELL_DAMAGE_CLASS_RANGED:
        {
            if (pVictim)
            {
                crit_chance = GetUnitCriticalChance(attackType, pVictim);
            }

            crit_chance += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_SPELL_CRIT_CHANCE_SCHOOL, schoolMask);
            break;
        }
        default:
            return false;
    }
    // percent done
    // only players use intelligence for critical chance computations
    if (Player* modOwner = GetSpellModOwner())
    {
        modOwner->ApplySpellMod(spellProto->Id, SPELLMOD_CRITICAL_CHANCE, crit_chance);
    }

    crit_chance = crit_chance > 0.0f ? crit_chance : 0.0f;
    if (roll_chance_f(crit_chance))
    {
        return true;
    }
    return false;
}

uint32 Unit::SpellCriticalDamageBonus(SpellEntry const* spellProto, uint32 damage, Unit* pVictim)
{
    // Calculate critical bonus
    int32 crit_bonus;
    switch(spellProto->GetDmgClass())
    {
        case SPELL_DAMAGE_CLASS_MELEE:                      // for melee based spells is 100%
        case SPELL_DAMAGE_CLASS_RANGED:
            crit_bonus = damage;
            break;
        default:
            crit_bonus = damage / 2;                        // for spells is 50%
            break;
    }

    // Apply SPELL_AURA_MOD_CRIT_DAMAGE_BONUS modifier first
    const int32 pctBonus = GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_CRIT_DAMAGE_BONUS, GetSpellSchoolMask(spellProto));
    crit_bonus += int32((damage + crit_bonus) * float(pctBonus / 100.0f));

    // adds additional damage to crit_bonus (from talents)
    if (Player* modOwner = GetSpellModOwner())
    {
        modOwner->ApplySpellMod(spellProto->Id, SPELLMOD_CRIT_DAMAGE_BONUS, crit_bonus);
    }

    if (!pVictim)
    {
        return damage += crit_bonus;
    }

    int32 critPctDamageMod = 0;
    if(spellProto->GetDmgClass() >= SPELL_DAMAGE_CLASS_MELEE)
    {
        if (GetWeaponAttackType(spellProto) == RANGED_ATTACK)
        {
            critPctDamageMod += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_RANGED_CRIT_DAMAGE);
        }
        else
        {
            critPctDamageMod += pVictim->GetTotalAuraModifier(SPELL_AURA_MOD_ATTACKER_MELEE_CRIT_DAMAGE);
        }
    }
    else
    {
        critPctDamageMod += pVictim->GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_ATTACKER_SPELL_CRIT_DAMAGE, GetSpellSchoolMask(spellProto));
    }

    if (critPctDamageMod != 0)
    {
        crit_bonus = int32(crit_bonus * float((100.0f + critPctDamageMod) / 100.0f));
    }

    if (crit_bonus > 0)
    {
        damage += crit_bonus;
    }

    return damage;
}

uint32 Unit::SpellCriticalHealingBonus(SpellEntry const* spellProto, uint32 damage, Unit* pVictim)
{
    // Calculate critical bonus
    int32 crit_bonus = damage;

    if (crit_bonus > 0)
    {
        damage += crit_bonus;
    }

    damage = int32(damage * GetTotalAuraMultiplier(SPELL_AURA_MOD_CRITICAL_HEALING_AMOUNT));

    return damage;
}

/**
 * Calculates caster part of healing spell bonuses,
 * also includes different bonuses dependent from target auras
 */
uint32 Unit::SpellHealingBonusDone(Unit* pVictim, SpellEntry const* spellProto, int32 healamount, DamageEffectType damagetype, uint32 stack)
{
    // For totems get healing bonus from owner (statue isn't totem in fact)
    if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsTotem() && ((Totem*)this)->GetTotemType() != TOTEM_STATUE)
        if (Unit* owner = GetOwner())
        {
            return owner->SpellHealingBonusDone(pVictim, spellProto, healamount, damagetype, stack);
        }

    // No heal amount for this class spells
    if (spellProto->GetDmgClass() == SPELL_DAMAGE_CLASS_NONE)
    {
        return healamount < 0 ? 0 : healamount;
    }

    // Healing Done
    // Done total percent damage auras
    float  DoneTotalMod = 1.0f;
    int32  DoneTotal = 0;

    // Healing done percent
    AuraList const& mHealingDonePct = GetAurasByType(SPELL_AURA_MOD_HEALING_DONE_PERCENT);
    for (AuraList::const_iterator i = mHealingDonePct.begin(); i != mHealingDonePct.end(); ++i)
    {
        DoneTotalMod *= (100.0f + (*i)->GetModifier()->m_amount) / 100.0f;
    }

    AuraList const& mHealingFromHealthPct = GetAurasByType(SPELL_AURA_MOD_HEALING_DONE_FROM_PCT_HEALTH);
    if (!mHealingFromHealthPct.empty())
    {
        float healthPct = std::max(0.0f, 1.0f - float(pVictim->GetHealth()) / pVictim->GetMaxHealth());
        for (AuraList::const_iterator i = mHealingFromHealthPct.begin();i != mHealingFromHealthPct.end(); ++i)
            if ((*i)->isAffectedOnSpell(spellProto))
            {
                DoneTotalMod *= (100.0f + (*i)->GetModifier()->m_amount * healthPct) / 100.0f;
            }
    }

    // done scripted mod (take it from owner)
    Unit* owner = GetOwner();
    if (!owner)
    {
        owner = this;
    }
    AuraList const& mOverrideClassScript = owner->GetAurasByType(SPELL_AURA_OVERRIDE_CLASS_SCRIPTS);
    for (AuraList::const_iterator i = mOverrideClassScript.begin(); i != mOverrideClassScript.end(); ++i)
    {
        if (!(*i)->isAffectedOnSpell(spellProto))
        {
            continue;
        }
        switch ((*i)->GetModifier()->m_miscvalue)
        {
            case 4415: // Increased Rejuvenation Healing
            case 4953:
            case 3736: // Hateful Totem of the Third Wind / Increased Lesser Healing Wave / LK Arena (4/5/6) Totem of the Third Wind / Savage Totem of the Third Wind
                DoneTotal += (*i)->GetModifier()->m_amount;
                break;
            case 7997: // Renewed Hope
            case 7998:
                if (pVictim->HasAura(6788))
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            case   21: // Test of Faith
            case 6935:
            case 6918:
                if (pVictim->GetHealth() < pVictim->GetMaxHealth() / 2)
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            case 7798: // Glyph of Regrowth
            {
                if (pVictim->GetAura(SPELL_AURA_PERIODIC_HEAL, SPELLFAMILY_DRUID, UI64LIT(0x0000000000000040)))
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            }
            case 8477: // Nourish Heal Boost
            {
                int32 stepPercent = (*i)->GetModifier()->m_amount;

                int ownHotCount = 0;                        // counted HoT types amount, not stacks

                Unit::AuraList const& RejorRegr = pVictim->GetAurasByType(SPELL_AURA_PERIODIC_HEAL);
                for (Unit::AuraList::const_iterator itr = RejorRegr.begin(); itr != RejorRegr.end(); ++itr)
                    if ((*itr)->GetSpellProto()->GetSpellFamilyName() == SPELLFAMILY_DRUID &&
                            (*itr)->GetCasterGuid() == GetObjectGuid())
                        ++ownHotCount;

                if (ownHotCount)
                {
                    DoneTotalMod *= (stepPercent * ownHotCount + 100.0f) / 100.0f;
                }
                break;
            }
            case 7871: // Glyph of Lesser Healing Wave
            {
                if (pVictim->GetAura(SPELL_AURA_DUMMY, SPELLFAMILY_SHAMAN, UI64LIT(0x0000040000000000), 0, GetObjectGuid()))
                {
                    DoneTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            }
            default:
                break;
        }
    }

    // Nourish 20% of heal increase if target is affected by Druids HOTs
    SpellClassOptionsEntry const* classOptions = spellProto->GetSpellClassOptions();
    if (classOptions && classOptions->SpellFamilyName == SPELLFAMILY_DRUID && (classOptions->SpellFamilyFlags & UI64LIT(0x0200000000000000)))
    {
        int ownHotCount = 0;                        // counted HoT types amount, not stacks
        Unit::AuraList const& RejorRegr = pVictim->GetAurasByType(SPELL_AURA_PERIODIC_HEAL);
        for(Unit::AuraList::const_iterator i = RejorRegr.begin(); i != RejorRegr.end(); ++i)
            if ((*i)->GetSpellProto()->GetSpellFamilyName() == SPELLFAMILY_DRUID &&
                (*i)->GetCasterGuid() == GetObjectGuid())
                ++ownHotCount;

        if (ownHotCount)
        {
            DoneTotalMod *= 1.2f;                       // base bonus at HoTs

            if (Aura* glyph = GetAura(62971, EFFECT_INDEX_0))// Glyph of Nourish
            {
                DoneTotalMod *= (glyph->GetModifier()->m_amount * ownHotCount + 100.0f) / 100.0f;
            }
        }
        // Lifebloom
        else if (spellProto->IsFitToFamilyMask(UI64LIT(0x0000001000000000)))
        {
            AuraList const& dummyList = owner->GetAurasByType(SPELL_AURA_DUMMY);
            for (AuraList::const_iterator i = dummyList.begin(); i != dummyList.end(); ++i)
            {
                switch ((*i)->GetId())
                {
                    case 34246:                             // Idol of the Emerald Queen        TODO: can be flat modifier aura
                    case 60779:                             // Idol of Lush Moss
                        DoneTotal += (*i)->GetModifier()->m_amount / 7;
                        break;
                }
            }
        }
    }

    // Done fixed damage bonus auras
    int32 DoneAdvertisedBenefit  = SpellBaseHealingBonusDone(GetSpellSchoolMask(spellProto));

    // apply ap bonus and benefit affected by spell power implicit coeffs and spell level penalties
    DoneTotal = SpellBonusWithCoeffs(spellProto, DoneTotal, DoneAdvertisedBenefit, 0, damagetype, true, SCALE_SPELLPOWER_HEALING);

    // use float as more appropriate for negative values and percent applying
    float heal = (healamount + DoneTotal * int32(stack)) * DoneTotalMod;
    // apply spellmod to Done amount
    if (Player* modOwner = GetSpellModOwner())
    {
        modOwner->ApplySpellMod(spellProto->Id, damagetype == DOT ? SPELLMOD_DOT : SPELLMOD_DAMAGE, heal);
    }

    return heal < 0 ? 0 : uint32(heal);
}

/**
 * Calculates target part of healing spell bonuses,
 * will be called on each tick for periodic damage over time auras
 */
uint32 Unit::SpellHealingBonusTaken(Unit* pCaster, SpellEntry const* spellProto, int32 healamount, DamageEffectType damagetype, uint32 stack)
{
    float  TakenTotalMod = 1.0f;

    // Healing taken percent
    float minval = float(GetMaxNegativeAuraModifier(SPELL_AURA_MOD_HEALING_PCT));
    if (minval)
    {
        TakenTotalMod *= (100.0f + minval) / 100.0f;
    }

    float maxval = float(GetMaxPositiveAuraModifier(SPELL_AURA_MOD_HEALING_PCT));
    // no SPELL_AURA_MOD_PERIODIC_HEAL positive cases
    if (maxval)
    {
        TakenTotalMod *= (100.0f + maxval) / 100.0f;
    }

    // No heal amount for this class spells
    if (spellProto->GetDmgClass() == SPELL_DAMAGE_CLASS_NONE)
    {
        healamount = int32(healamount * TakenTotalMod);
        return healamount < 0 ? 0 : healamount;
    }

    // Healing Done
    // Done total percent damage auras
    int32  TakenTotal = 0;

    // Taken fixed damage bonus auras
    int32 TakenAdvertisedBenefit = SpellBaseHealingBonusTaken(GetSpellSchoolMask(spellProto));

    // apply benefit affected by spell power implicit coeffs and spell level penalties
    TakenTotal = pCaster->SpellBonusWithCoeffs(spellProto, TakenTotal, TakenAdvertisedBenefit, 0, damagetype, false, SCALE_SPELLPOWER_HEALING);

    AuraList const& mHealingGet = GetAurasByType(SPELL_AURA_MOD_HEALING_RECEIVED);
    for (AuraList::const_iterator i = mHealingGet.begin(); i != mHealingGet.end(); ++i)
        if ((*i)->isAffectedOnSpell(spellProto))
        {
            TakenTotalMod *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
        }

    // use float as more appropriate for negative values and percent applying
    float heal = (healamount + TakenTotal * int32(stack)) * TakenTotalMod;

    return heal < 0 ? 0 : uint32(heal);
}

int32 Unit::SpellBaseHealingBonusDone(SpellSchoolMask schoolMask)
{
    int32 AdvertisedBenefit = 0;

    Unit::AuraList const& mOverrideSpellPowerAuras = GetAurasByType(SPELL_AURA_OVERRIDE_SPELL_POWER_BY_AP_PCT);
    if (!mOverrideSpellPowerAuras.empty())
    {
        for (Unit::AuraList::const_iterator itr = mOverrideSpellPowerAuras.begin(); itr != mOverrideSpellPowerAuras.end(); ++itr)
            if (schoolMask & (*itr)->GetModifier()->m_miscvalue)
            {
                AdvertisedBenefit += (*itr)->GetModifier()->m_amount;
            }

        return int32(GetTotalAttackPowerValue(BASE_ATTACK) * (100.0f + AdvertisedBenefit) / 100.0f);
    }

    AuraList const& mHealingDone = GetAurasByType(SPELL_AURA_MOD_HEALING_DONE);
    for (AuraList::const_iterator i = mHealingDone.begin(); i != mHealingDone.end(); ++i)
        if (!(*i)->GetModifier()->m_miscvalue || ((*i)->GetModifier()->m_miscvalue & schoolMask) != 0)
        {
            AdvertisedBenefit += (*i)->GetModifier()->m_amount;
        }

    // Healing bonus of spirit, intellect and strength
    if (GetTypeId() == TYPEID_PLAYER)
    {
        // Base value
        AdvertisedBenefit += ((Player*)this)->GetBaseSpellPowerBonus();

        if (GetPowerIndex(POWER_MANA) != INVALID_POWER_INDEX)
        {
            AdvertisedBenefit += std::max(0, int32(GetStat(STAT_INTELLECT)) - 10);  // spellpower from intellect
        }

        // Healing bonus from stats
        AuraList const& mHealingDoneOfStatPercent = GetAurasByType(SPELL_AURA_MOD_SPELL_HEALING_OF_STAT_PERCENT);
        for (AuraList::const_iterator i = mHealingDoneOfStatPercent.begin(); i != mHealingDoneOfStatPercent.end(); ++i)
        {
            // stat used dependent from misc value (stat index)
            Stats usedStat = Stats((*i)->GetSpellProto()->GetEffectMiscValue((*i)->GetEffIndex()));
            AdvertisedBenefit += int32(GetStat(usedStat) * (*i)->GetModifier()->m_amount / 100.0f);
        }

        // ... and attack power
        AuraList const& mHealingDonebyAP = GetAurasByType(SPELL_AURA_MOD_SPELL_HEALING_OF_ATTACK_POWER);
        for (AuraList::const_iterator i = mHealingDonebyAP.begin(); i != mHealingDonebyAP.end(); ++i)
            if ((*i)->GetModifier()->m_miscvalue & schoolMask)
            {
                AdvertisedBenefit += int32(GetTotalAttackPowerValue(BASE_ATTACK) * (*i)->GetModifier()->m_amount / 100.0f);
            }
    }

    // pct spell power modifier
    Unit::AuraList const& mSpellPowerPctAuras = GetAurasByType(SPELL_AURA_MOD_INCREASE_SPELL_POWER_PCT);
    for (Unit::AuraList::const_iterator itr = mSpellPowerPctAuras.begin(); itr != mSpellPowerPctAuras.end(); ++itr)
    {
        if (!(*itr)->GetModifier()->m_miscvalue || (*itr)->GetModifier()->m_miscvalue & schoolMask)
        {
            AdvertisedBenefit = int32(AdvertisedBenefit * (100.0f + (*itr)->GetModifier()->m_amount) / 100.0f);
        }
    }

    return AdvertisedBenefit;
}

int32 Unit::SpellBaseHealingBonusTaken(SpellSchoolMask schoolMask)
{
    int32 AdvertisedBenefit = 0;
    AuraList const& mDamageTaken = GetAurasByType(SPELL_AURA_MOD_HEALING);
    for (AuraList::const_iterator i = mDamageTaken.begin(); i != mDamageTaken.end(); ++i)
        if ((*i)->GetModifier()->m_miscvalue & schoolMask)
        {
            AdvertisedBenefit += (*i)->GetModifier()->m_amount;
        }

    return AdvertisedBenefit;
}

bool Unit::IsImmunedToDamage(SpellSchoolMask shoolMask)
{
    // If m_immuneToSchool type contain this school type, IMMUNE damage.
    SpellImmuneList const& schoolList = m_spellImmune[IMMUNITY_SCHOOL];
    for (SpellImmuneList::const_iterator itr = schoolList.begin(); itr != schoolList.end(); ++itr)
        if (itr->type & shoolMask)
        {
            return true;
        }

    // If m_immuneToDamage type contain magic, IMMUNE damage.
    SpellImmuneList const& damageList = m_spellImmune[IMMUNITY_DAMAGE];
    for (SpellImmuneList::const_iterator itr = damageList.begin(); itr != damageList.end(); ++itr)
        if (itr->type & shoolMask)
        {
            return true;
        }

    return false;
}

bool Unit::IsImmuneToSpell(SpellEntry const* spellInfo, bool castOnSelf)
{
    if (!spellInfo)
    {
        return false;
    }

    // TODO add spellEffect immunity checks!, player with flag in bg is immune to immunity buffs from other friendly players!
    // SpellImmuneList const& dispelList = m_spellImmune[IMMUNITY_EFFECT];

    SpellImmuneList const& dispelList = m_spellImmune[IMMUNITY_DISPEL];
    for (SpellImmuneList::const_iterator itr = dispelList.begin(); itr != dispelList.end(); ++itr)
        if (itr->type == spellInfo->GetDispel())
        {
            return true;
        }

    if (!spellInfo->HasAttribute(SPELL_ATTR_EX_UNAFFECTED_BY_SCHOOL_IMMUNE) &&          // unaffected by school immunity
            !spellInfo->HasAttribute(SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY))           // can remove immune (by dispell or immune it)
    {
        SpellImmuneList const& schoolList = m_spellImmune[IMMUNITY_SCHOOL];
        for (SpellImmuneList::const_iterator itr = schoolList.begin(); itr != schoolList.end(); ++itr)
            if (!(IsPositiveSpell(itr->spellId) && IsPositiveSpell(spellInfo->Id)) &&
                    (itr->type & GetSpellSchoolMask(spellInfo)))
                return true;
    }

    if(uint32 mechanic = spellInfo->GetMechanic())
    {
        SpellImmuneList const& mechanicList = m_spellImmune[IMMUNITY_MECHANIC];
        for (SpellImmuneList::const_iterator itr = mechanicList.begin(); itr != mechanicList.end(); ++itr)
            if (itr->type == mechanic)
            {
                return true;
            }

        AuraList const& immuneAuraApply = GetAurasByType(SPELL_AURA_MECHANIC_IMMUNITY_MASK);
        for (AuraList::const_iterator iter = immuneAuraApply.begin(); iter != immuneAuraApply.end(); ++iter)
            if ((*iter)->GetModifier()->m_miscvalue & (1 << (mechanic - 1)))
            {
                return true;
            }
    }

    return false;
}

bool Unit::IsImmuneToSpellEffect(SpellEntry const* spellInfo, SpellEffectIndex index, bool castOnSelf) const
{
    // If m_immuneToEffect type contain this effect type, IMMUNE effect.
    SpellEffectEntry const* spellEffect = spellInfo->GetSpellEffect(index);
    if(!spellEffect)
    {
        return false;
    }

    uint32 effect = spellEffect->Effect;
    SpellImmuneList const& effectList = m_spellImmune[IMMUNITY_EFFECT];
    for (SpellImmuneList::const_iterator itr = effectList.begin(); itr != effectList.end(); ++itr)
        if (itr->type == effect)
        {
            return true;
        }

    if(uint32 mechanic = spellEffect->EffectMechanic)
    {
        SpellImmuneList const& mechanicList = m_spellImmune[IMMUNITY_MECHANIC];
        for (SpellImmuneList::const_iterator itr = mechanicList.begin(); itr != mechanicList.end(); ++itr)
            if (itr->type == mechanic)
            {
                return true;
            }

        AuraList const& immuneAuraApply = GetAurasByType(SPELL_AURA_MECHANIC_IMMUNITY_MASK);
        for (AuraList::const_iterator iter = immuneAuraApply.begin(); iter != immuneAuraApply.end(); ++iter)
            if ((*iter)->GetModifier()->m_miscvalue & (1 << (mechanic - 1)))
            {
                return true;
            }
    }

    if(uint32 aura = spellEffect->EffectApplyAuraName)
    {
        SpellImmuneList const& list = m_spellImmune[IMMUNITY_STATE];
        for (SpellImmuneList::const_iterator itr = list.begin(); itr != list.end(); ++itr)
            if (itr->type == aura)
            {
                return true;
            }

        // Check for immune to application of harmful magical effects
        AuraList const& immuneAuraApply = GetAurasByType(SPELL_AURA_MOD_IMMUNE_AURA_APPLY_SCHOOL);
        if (!immuneAuraApply.empty() &&
            spellInfo->GetDispel() == DISPEL_MAGIC &&       // Magic debuff)
            !IsPositiveEffect(spellInfo, index))            // Harmful
        {
            // Check school
            SpellSchoolMask schoolMask = GetSpellSchoolMask(spellInfo);
            for (AuraList::const_iterator iter = immuneAuraApply.begin(); iter != immuneAuraApply.end(); ++iter)
                if ((*iter)->GetModifier()->m_miscvalue & schoolMask)
                {
                    return true;
                }
        }
    }
    return false;
}

/**
 * Calculates caster part of melee damage bonuses,
 * also includes different bonuses dependent from target auras
 */
uint32 Unit::MeleeDamageBonusDone(Unit* pVictim, uint32 pdamage, WeaponAttackType attType, SpellEntry const* spellProto, DamageEffectType damagetype, uint32 stack)
{
    if (!pVictim || pdamage == 0 || (spellProto && spellProto->HasAttribute(SPELL_ATTR_EX6_NO_DMG_MODS)))
    {
        return pdamage;
    }

    // differentiate for weapon damage based spells
    bool isWeaponDamageBasedSpell = !(spellProto && (damagetype == DOT || IsSpellHaveEffect(spellProto, SPELL_EFFECT_SCHOOL_DAMAGE)));
    Item*  pWeapon          = GetTypeId() == TYPEID_PLAYER ? ((Player*)this)->GetWeaponForAttack(attType, true, false) : NULL;
    uint32 creatureTypeMask = pVictim->GetCreatureTypeMask();
    uint32 schoolMask       = spellProto ? spellProto->SchoolMask : uint32(GetMeleeDamageSchoolMask());

    // FLAT damage bonus auras
    // =======================
    int32 DoneFlat  = 0;
    int32 APbonus   = 0;

    // ..done flat, already included in weapon damage based spells
    if (!isWeaponDamageBasedSpell)
    {
        AuraList const& mModDamageDone = GetAurasByType(SPELL_AURA_MOD_DAMAGE_DONE);
        for (AuraList::const_iterator i = mModDamageDone.begin(); i != mModDamageDone.end(); ++i)
        {
            if (((*i)->GetModifier()->m_miscvalue & schoolMask &&                        // schoolmask has to fit with the intrinsic spell school
                (*i)->GetModifier()->m_miscvalue & GetMeleeDamageSchoolMask() &&         // AND schoolmask has to fit with weapon damage school (essential for non-physical spells)
                ((*i)->GetSpellProto()->GetEquippedItemClass() == -1) ||                 // general, weapon independent
                (pWeapon && pWeapon->IsFitToSpellRequirements((*i)->GetSpellProto()))))  // OR used weapon fits aura requirements
            {
                DoneFlat += (*i)->GetModifier()->m_amount;
            }
        }

        // Pets just add their bonus damage to their melee damage
        if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet())
        {
            DoneFlat += ((Pet*)this)->GetBonusDamage();
        }
    }

    // ..done flat (by creature type mask)
    DoneFlat += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_DAMAGE_DONE_CREATURE, creatureTypeMask);

    // ..done flat (base at attack power for marked target and base at attack power for creature type)
    if (attType == RANGED_ATTACK)
    {
        APbonus += pVictim->GetTotalAuraModifier(SPELL_AURA_RANGED_ATTACK_POWER_ATTACKER_BONUS);
        APbonus += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_RANGED_ATTACK_POWER_VERSUS, creatureTypeMask);
    }
    else
    {
        APbonus += pVictim->GetTotalAuraModifier(SPELL_AURA_MELEE_ATTACK_POWER_ATTACKER_BONUS);
        APbonus += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_MELEE_ATTACK_POWER_VERSUS, creatureTypeMask);
    }

    // PERCENT damage auras
    // ====================
    float DonePercent   = 1.0f;

    // ..done pct, already included in weapon damage based spells
    if (!isWeaponDamageBasedSpell)
    {
        AuraList const& mModDamagePercentDone = GetAurasByType(SPELL_AURA_MOD_DAMAGE_PERCENT_DONE);
        for (AuraList::const_iterator i = mModDamagePercentDone.begin(); i != mModDamagePercentDone.end(); ++i)
        {
            if (((*i)->GetModifier()->m_miscvalue & schoolMask &&                        // schoolmask has to fit with the intrinsic spell school
                (*i)->GetModifier()->m_miscvalue & GetMeleeDamageSchoolMask() &&         // AND schoolmask has to fit with weapon damage school (essential for non-physical spells)
                ((*i)->GetSpellProto()->GetEquippedItemClass()) == -1 ||                 // general, weapon independent
                (pWeapon && pWeapon->IsFitToSpellRequirements((*i)->GetSpellProto()))))  // OR used weapon fits aura requirements
            {
                DonePercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
            }
        }

        if (attType == OFF_ATTACK)
        {
            DonePercent *= GetModifierValue(UNIT_MOD_DAMAGE_OFFHAND, TOTAL_PCT);                    // no school check required
        }
    }

    if (!spellProto)
    {
        // apply SPELL_AURA_MOD_AUTOATTACK_DAMAGE for white damage
        AuraList const& mModAutoAttackDamageAuras = GetAurasByType(SPELL_AURA_MOD_AUTOATTACK_DAMAGE);
        for (AuraList::const_iterator i = mModAutoAttackDamageAuras.begin(); i != mModAutoAttackDamageAuras.end(); ++i)
        {
            if ((*i)->GetSpellProto()->GetEquippedItemClass() == -1 ||                  // general, weapon independent
                pWeapon && pWeapon->IsFitToSpellRequirements((*i)->GetSpellProto()))    // OR used weapon fits aura requirements
            {
                DonePercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
            }
        }
    }

    // ..done pct (by creature type mask)
    DonePercent *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_DAMAGE_DONE_VERSUS, creatureTypeMask);

    // special dummys/class scripts and other effects
    // =============================================
    Unit* owner = GetOwner();
    if (!owner)
    {
        owner = this;
    }

    // ..done (class scripts)
    if (spellProto)
    {
        AuraList const& mOverrideClassScript = owner->GetAurasByType(SPELL_AURA_OVERRIDE_CLASS_SCRIPTS);
        for (AuraList::const_iterator i = mOverrideClassScript.begin(); i != mOverrideClassScript.end(); ++i)
        {
            if (!(*i)->isAffectedOnSpell(spellProto))
            {
                continue;
            }

            switch ((*i)->GetModifier()->m_miscvalue)
            {
                    // Tundra Stalker
                    // Merciless Combat
                case 7277:
                {
                    // Merciless Combat
                    if ((*i)->GetSpellProto()->SpellIconID == 2656)
                    {
                        if (pVictim->HasAuraState(AURA_STATE_HEALTHLESS_35_PERCENT))
                        {
                            DonePercent *= (100.0f + (*i)->GetModifier()->m_amount) / 100.0f;
                        }
                    }
                    else // Tundra Stalker
                    {
                        // Frost Fever (target debuff)
                        if (pVictim->GetAura(SPELL_AURA_MOD_MELEE_HASTE, SPELLFAMILY_DEATHKNIGHT, UI64LIT(0x0000000000000000), 0x00000002))
                        {
                            DonePercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                        }
                        break;
                    }
                    break;
                }
                case 7293: // Rage of Rivendare
                {
                    if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_DEATHKNIGHT, UI64LIT(0x0200000000000000)))
                    {
                        DonePercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                    }
                    break;
                }
                // Marked for Death
                case 7598:
                case 7599:
                case 7600:
                case 7601:
                case 7602:
                {
                    if (pVictim->GetAura(SPELL_AURA_MOD_STALKED, SPELLFAMILY_HUNTER, UI64LIT(0x0000000000000400)))
                    {
                        DonePercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                    }
                    break;
                }
            }
        }
    }

    // .. done (class scripts)
    AuraList const& mclassScritAuras = GetAurasByType(SPELL_AURA_OVERRIDE_CLASS_SCRIPTS);
    for (AuraList::const_iterator i = mclassScritAuras.begin(); i != mclassScritAuras.end(); ++i)
    {
        switch ((*i)->GetMiscValue())
        {
                // Dirty Deeds
            case 6427:
            case 6428:
                if (pVictim->HasAuraState(AURA_STATE_HEALTHLESS_35_PERCENT))
                {
                    Aura* eff0 = GetAura((*i)->GetId(), EFFECT_INDEX_0);
                    if (!eff0 || (*i)->GetEffIndex() != EFFECT_INDEX_1)
                    {
                        sLog.outError("Spell structure of DD (%u) changed.", (*i)->GetId());
                        continue;
                    }

                    // effect 0 have expected value but in negative state
                    DonePercent *= (-eff0->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
        }
    }

    if (spellProto)
    {
        SpellClassOptionsEntry const* classOptions = spellProto->GetSpellClassOptions();

        // Frost Strike
        if (classOptions && classOptions->IsFitToFamily(SPELLFAMILY_DEATHKNIGHT, UI64LIT(0x0000000400000000)))
        {
            // search disease
            bool found = false;
            Unit::SpellAuraHolderMap const& auras = pVictim->GetSpellAuraHolderMap();
            for (Unit::SpellAuraHolderMap::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
            {
                if(itr->second->GetSpellProto()->GetDispel() == DISPEL_DISEASE)
                {
                    found = true;
                    break;
                }
            }

            if (found)
            {
                // search for Glacier Rot dummy aura
                Unit::AuraList const& dummyAuras = GetAurasByType(SPELL_AURA_DUMMY);
                for (Unit::AuraList::const_iterator i = dummyAuras.begin(); i != dummyAuras.end(); ++i)
                {
                    if ((*i)->GetSpellProto()->GetEffectMiscValue((*i)->GetEffIndex()) == 7244)
                    {
                        DonePercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                        break;
                    }
                }
            }
        }
        // Glyph of Steady Shot (Steady Shot check)
        else if (classOptions && classOptions->IsFitToFamily(SPELLFAMILY_HUNTER, UI64LIT(0x0000000100000000)))
        {
            // search for glyph dummy aura
            if (Aura* aur = GetDummyAura(56826))
                // check for Serpent Sting at target
                if (pVictim->GetAura(SPELL_AURA_PERIODIC_DAMAGE, SPELLFAMILY_HUNTER, UI64LIT(0x0000000000004000)))
                {
                    DonePercent *= (aur->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
        }
    }

    // final calculation
    // =================

    float DoneTotal = 0.0f;

    // scaling of non weapon based spells
    if (!isWeaponDamageBasedSpell)
    {
        // apply ap bonus and benefit affected by spell power implicit coeffs and spell level penalties
        DoneTotal = SpellBonusWithCoeffs(spellProto, DoneTotal, DoneFlat, APbonus, damagetype, true);
    }
    // weapon damage based spells
    else if (APbonus || DoneFlat)
    {
        bool normalized = spellProto ? IsSpellHaveEffect(spellProto, SPELL_EFFECT_NORMALIZED_WEAPON_DMG) : false;
        DoneTotal += int32(APbonus / 14.0f * GetAPMultiplier(attType, normalized));

        // for weapon damage based spells we still have to apply damage done percent mods
        // (that are already included into pdamage) to not-yet included DoneFlat
        // e.g. from doneVersusCreature, apBonusVs...
        UnitMods unitMod;
        switch (attType)
        {
            default:
            case BASE_ATTACK:   unitMod = UNIT_MOD_DAMAGE_MAINHAND; break;
            case OFF_ATTACK:    unitMod = UNIT_MOD_DAMAGE_OFFHAND;  break;
            case RANGED_ATTACK: unitMod = UNIT_MOD_DAMAGE_RANGED;   break;
        }

        DoneTotal += DoneFlat;

        DoneTotal *= GetModifierValue(unitMod, TOTAL_PCT);
    }

    float tmpDamage = float(int32(pdamage) + DoneTotal * int32(stack)) * DonePercent;

    // apply spellmod to Done damage
    if (spellProto)
    {
        if (Player* modOwner = GetSpellModOwner())
        {
            modOwner->ApplySpellMod(spellProto->Id, damagetype == DOT ? SPELLMOD_DOT : SPELLMOD_DAMAGE, tmpDamage);
        }
    }

    // bonus result can be negative
    return tmpDamage > 0 ? uint32(tmpDamage) : 0;
}

/**
 * Calculates target part of melee damage bonuses,
 * will be called on each tick for periodic damage over time auras
 */
uint32 Unit::MeleeDamageBonusTaken(Unit* pCaster, uint32 pdamage, WeaponAttackType attType, SpellEntry const* spellProto, DamageEffectType damagetype, uint32 stack)
{
    if (!pCaster)
    {
        return pdamage;
    }

    if (pdamage == 0)
    {
        return pdamage;
    }

    // differentiate for weapon damage based spells
    bool isWeaponDamageBasedSpell = !(spellProto && (damagetype == DOT || IsSpellHaveEffect(spellProto, SPELL_EFFECT_SCHOOL_DAMAGE)));
    uint32 schoolMask       = spellProto ? spellProto->SchoolMask : uint32(GetMeleeDamageSchoolMask());
    uint32 mechanicMask     = spellProto ? GetAllSpellMechanicMask(spellProto) : 0;

    // Shred also have bonus as MECHANIC_BLEED damages
    SpellClassOptionsEntry const* classOptions = spellProto ? spellProto->GetSpellClassOptions() : NULL;
    if (classOptions && classOptions->SpellFamilyName==SPELLFAMILY_DRUID && classOptions->SpellFamilyFlags & UI64LIT(0x00008000))
    {
        mechanicMask |= (1 << (MECHANIC_BLEED-1));
    }

    // FLAT damage bonus auras
    // =======================
    int32 TakenFlat = 0;

    // ..taken flat (base at attack power for marked target and base at attack power for creature type)
    if (attType == RANGED_ATTACK)
    {
        TakenFlat += GetTotalAuraModifier(SPELL_AURA_MOD_RANGED_DAMAGE_TAKEN);
    }
    else
    {
        TakenFlat += GetTotalAuraModifier(SPELL_AURA_MOD_MELEE_DAMAGE_TAKEN);
    }

    // ..taken flat (by school mask)
    TakenFlat += GetTotalAuraModifierByMiscMask(SPELL_AURA_MOD_DAMAGE_TAKEN, schoolMask);

    // PERCENT damage auras
    // ====================
    float TakenPercent  = 1.0f;

    // ..taken pct (by school mask)
    TakenPercent *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_DAMAGE_PERCENT_TAKEN, schoolMask);

    // ..taken pct (by mechanic mask)
    TakenPercent *= GetTotalAuraMultiplierByMiscValueForMask(SPELL_AURA_MOD_MECHANIC_DAMAGE_TAKEN_PERCENT, mechanicMask);

    // ..taken pct (melee/ranged)
    if (attType == RANGED_ATTACK)
    {
        TakenPercent *= GetTotalAuraMultiplier(SPELL_AURA_MOD_RANGED_DAMAGE_TAKEN_PCT);
    }
    else
    {
        TakenPercent *= GetTotalAuraMultiplier(SPELL_AURA_MOD_MELEE_DAMAGE_TAKEN_PCT);
    }

    // ..taken pct (aoe avoidance)
    if (spellProto && IsAreaOfEffectSpell(spellProto))
    {
        TakenPercent *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_AOE_DAMAGE_AVOIDANCE, schoolMask);
        if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet())
        {
            TakenPercent *= GetTotalAuraMultiplierByMiscMask(SPELL_AURA_MOD_PET_AOE_DAMAGE_AVOIDANCE, schoolMask);
        }
    }

    // special dummys/class scripts and other effects
    // =============================================

    // .. taken (dummy auras)
    AuraList const& mDummyAuras = GetAurasByType(SPELL_AURA_DUMMY);
    for (AuraList::const_iterator i = mDummyAuras.begin(); i != mDummyAuras.end(); ++i)
    {
        switch ((*i)->GetId())
        {
            case 45182:                                     // Cheating Death
                if ((*i)->GetModifier()->m_miscvalue & SPELL_SCHOOL_MASK_NORMAL)
                {
                    if (GetTypeId() != TYPEID_PLAYER)
                    {
                        continue;
                    }

                    TakenPercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                }
                break;
            case 20911:                                     // Blessing of Sanctuary
            case 25899:                                     // Greater Blessing of Sanctuary
                TakenPercent *= ((*i)->GetModifier()->m_amount + 100.0f) / 100.0f;
                break;
        }
    }

    // final calculation
    // =================

    // scaling of non weapon based spells
    if (!isWeaponDamageBasedSpell)
    {
        // apply benefit affected by spell power implicit coeffs and spell level penalties
        TakenFlat = pCaster->SpellBonusWithCoeffs(spellProto, 0, TakenFlat, 0, damagetype, false);
    }

    float tmpDamage = float(int32(pdamage) + TakenFlat * int32(stack)) * TakenPercent;

    // bonus result can be negative
    return tmpDamage > 0 ? uint32(tmpDamage) : 0;
}

void Unit::ApplySpellImmune(uint32 spellId, uint32 op, uint32 type, bool apply)
{
    if (apply)
    {
        for (SpellImmuneList::iterator itr = m_spellImmune[op].begin(), next; itr != m_spellImmune[op].end(); itr = next)
        {
            next = itr; ++next;
            if (itr->type == type)
            {
                m_spellImmune[op].erase(itr);
                next = m_spellImmune[op].begin();
            }
        }
        SpellImmune Immune;
        Immune.spellId = spellId;
        Immune.type = type;
        m_spellImmune[op].push_back(Immune);
    }
    else
    {
        for (SpellImmuneList::iterator itr = m_spellImmune[op].begin(); itr != m_spellImmune[op].end(); ++itr)
        {
            if (itr->spellId == spellId)
            {
                m_spellImmune[op].erase(itr);
                break;
            }
        }
    }
}

void Unit::ApplySpellDispelImmunity(const SpellEntry* spellProto, DispelType type, bool apply)
{
    ApplySpellImmune(spellProto->Id, IMMUNITY_DISPEL, type, apply);

    if (apply && spellProto->HasAttribute(SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY))
    {
        RemoveAurasWithDispelType(type);
    }
}

float Unit::GetWeaponProcChance() const
{
    // normalized proc chance for weapon attack speed
    // (odd formula...)
    if (isAttackReady(BASE_ATTACK))
    {
        return (GetAttackTime(BASE_ATTACK) * 1.8f / 1000.0f);
    }
    else if (haveOffhandWeapon() && isAttackReady(OFF_ATTACK))
    {
        return (GetAttackTime(OFF_ATTACK) * 1.6f / 1000.0f);
    }

    return 0.0f;
}

float Unit::GetPPMProcChance(uint32 WeaponSpeed, float PPM) const
{
    // proc per minute chance calculation
    if (PPM <= 0.0f)
    {
        return 0.0f;
    }
    return WeaponSpeed * PPM / 600.0f;                      // result is chance in percents (probability = Speed_in_sec * (PPM / 60))
}

void Unit::Mount(uint32 mount, uint32 spellId)
{
    if (!mount)
    {
        return;
    }

    RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_MOUNTING);

    SetUInt32Value(UNIT_FIELD_MOUNTDISPLAYID, mount);

    SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_MOUNT);

    if (GetTypeId() == TYPEID_PLAYER)
    {
        // Called by Taxi system / GM command
        if (!spellId)
        {
            ((Player*)this)->UnsummonPetTemporaryIfAny();
        }
        // Called by mount aura
        else if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId))
        {
            // Flying case (Unsummon any pet)
            if (IsSpellHaveAura(spellInfo, SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED))
            {
                ((Player*)this)->UnsummonPetTemporaryIfAny();
            }
            // Normal case (Unsummon only permanent pet)
            else if (Pet* pet = GetPet())
            {
                if (pet->isControlled() && (!(pet->isTemporarySummoned() || ((Player*)this)->InArena())
                    || sWorld.getConfig(CONFIG_BOOL_PET_UNSUMMON_AT_MOUNT)))
                    ((Player*)this)->UnsummonPetTemporaryIfAny();
                else
                {
                    pet->SetModeFlags(PET_MODE_DISABLE_ACTIONS);
                }
            }
        }

        float height = ((Player*)this)->GetCollisionHeight(true);
        if (height)
        {
            SendCollisionHeightUpdate(height);
        }
    }
}

void Unit::Unmount(bool from_aura)
{
    if (!IsMounted())
    {
        return;
    }

    RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_NOT_MOUNTED);

    SetUInt32Value(UNIT_FIELD_MOUNTDISPLAYID, 0);
    RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_MOUNT);

    // Called NOT by Taxi system / GM command
    if (from_aura)
    {
        WorldPacket data(SMSG_DISMOUNT, 8);
        data << GetPackGUID();
        SendMessageToSet(&data, true);
    }

    // only resummon old pet if the player is already added to a map
    // this prevents adding a pet to a not created map which would otherwise cause a crash
    // (it could probably happen when logging in after a previous crash)
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (Pet* pet = GetPet())
        {
            // Get reaction state and display appropriately
            if (CharmInfo* charmInfo = pet->GetCharmInfo())
            {
                pet->SetModeFlags(PetModeFlags(charmInfo->GetReactState() | charmInfo->GetCommandState() * 0x100));
            }
        }
        else
        {
            ((Player*)this)->ResummonPetTemporaryUnSummonedIfAny();
        }

        float height = ((Player*)this)->GetCollisionHeight(false);
        if (height)
        {
            SendCollisionHeightUpdate(height);
        }
    }
}

bool Unit::IsNearWaypoint(float currentPositionX, float currentPositionY, float currentPositionZ, float destinationPostionX, float destinationPostionY, float destinationPostionZ, float distanceX, float distanceY, float distanceZ)
{
    // actual distance between the creature's X ordinate and destination X ordinate
    float xDifference = 0;
    // actual distance between the creature's Y ordinate and destination Y ordinate
    float yDifference = 0;
    // actual distance between the creature's Z ordinate and destination Y ordinate
    float zDifference = 0;

    // distanceX == 0, means do not test the distance between the creature's current X ordinate and the destination X ordinate
    // A test for 0 is used, because it is not worth testing for exact coordinates, seeing as we have to use an integar in the database for the event parameters that holds the cordinates.
    // Therefore a test for the distance between waypoints does the job more than well enough
    if (distanceX > 0)
    {
        if (currentPositionX > destinationPostionX)
        {
            xDifference = currentPositionX - destinationPostionX;
        }
        else
        {
            xDifference = destinationPostionX - currentPositionX;
        }
    }
    // distanceY == 0, means do not test the distance between the creature's current Y ordinate and the destination Y ordinate
    if (distanceY > 0)
    {
        if (currentPositionY > destinationPostionY)
        {
            yDifference = currentPositionY - destinationPostionY;
        }
        else
        {
            yDifference = destinationPostionY - currentPositionY;
        }
    }
    // distanceZ == 0, means do not test the distance between the creature's current Z ordinate and the destination Z ordinate
    if (distanceZ > 0)
    {
        if (currentPositionZ > destinationPostionZ)
        {
            zDifference = currentPositionZ - destinationPostionZ;
        }
        else
        {
            zDifference = destinationPostionZ - currentPositionZ;
        }
    }

    // check based on which ordinates to test the current distance from (distance along the X, and/or Y, and/or Z ordinates)
    if (((distanceX > 0 && xDifference < distanceX) && (distanceY > 0 && yDifference < distanceY) && (distanceZ > 0 && zDifference < distanceZ)) ||
        ((distanceX == 0) && (distanceY > 0 && yDifference < distanceY) && (distanceZ > 0 && zDifference < distanceZ)) ||
        ((distanceX > 0 && xDifference < distanceX) && (distanceY == 0) && (distanceZ > 0 && zDifference < distanceZ)) ||
        ((distanceX > 0 && xDifference < distanceX) && (distanceY > 0 && yDifference < distanceY) && (distanceZ == 0)) ||
        ((distanceX > 0 && xDifference < distanceX) && (distanceY == 0) && (distanceZ == 0)) ||
        ((distanceX == 0) && (distanceY > 0 && yDifference < distanceY) && (distanceZ == 0)) ||
        ((distanceX == 0) && (distanceY == 0) && (distanceZ > 0 && zDifference < distanceZ))
        )
        return true;

    return false;
}

MountCapabilityEntry const* Unit::GetMountCapability(uint32 mountType) const
{
    if (!mountType)
    {
        return NULL;
    }

    MountTypeEntry const* mountTypeEntry = sMountTypeStore.LookupEntry(mountType);
    if (!mountTypeEntry)
    {
        return NULL;
    }

    uint32 zoneId, areaId;
    GetZoneAndAreaId(zoneId, areaId);
    uint32 ridingSkill = 5000;
    if (GetTypeId() == TYPEID_PLAYER)
    {
        Player* plr = (Player*)(this);
        ridingSkill = plr->GetSkillValue(SKILL_RIDING);
    }

    for (uint32 i = MAX_MOUNT_CAPABILITIES; i > 0; --i)
    {
        MountCapabilityEntry const* mountCapability = sMountCapabilityStore.LookupEntry(mountTypeEntry->MountCapability[i - 1]);
        if (!mountCapability)
        {
            continue;
        }

        if (ridingSkill < mountCapability->RequiredRidingSkill)
        {
            continue;
        }

        if (m_movementInfo.HasMovementFlag2(MOVEFLAG2_FULLSPEEDPITCHING))
        {
            if (!(mountCapability->Flags & MOUNT_FLAG_CAN_PITCH))
            {
                continue;
            }
        }
        else if (m_movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING))
        {
            if (!(mountCapability->Flags & MOUNT_FLAG_CAN_SWIM))
            {
                continue;
            }
        }
        else if (!(mountCapability->Flags & 0x1))   // unknown flags, checked in 4.2.2 14545 client
        {
            if (!(mountCapability->Flags & 0x2))
            {
                continue;
            }
        }

        if (mountCapability->RequiredMap != -1 && int32(GetMapId()) != mountCapability->RequiredMap)
        {
            continue;
        }

        if (mountCapability->RequiredArea && (mountCapability->RequiredArea != zoneId && mountCapability->RequiredArea != areaId))
        {
            continue;
        }

        if (mountCapability->RequiredAura && !HasAura(mountCapability->RequiredAura))
        {
            continue;
        }

        if (mountCapability->RequiredSpell && (GetTypeId() != TYPEID_PLAYER || !(Player*)(this)->HasSpell(mountCapability->RequiredSpell)))
        {
            continue;
        }

        return mountCapability;
    }

    return NULL;
}

void Unit::PlayOneShotAnimKit(uint32 id)
{
    WorldPacket data(SMSG_PLAY_ONE_SHOT_ANIM_KIT, 7+2);
    data << GetPackGUID();
    data << uint16(id);
    SendMessageToSet(&data, true);
}

void Unit::SetInCombatWith(Unit* enemy)
{
    Unit* eOwner = enemy->GetCharmerOrOwnerOrSelf();
    if (eOwner->IsPvP())
    {
        SetInCombatState(true, enemy);
        return;
    }

    // check for duel
    if (eOwner->GetTypeId() == TYPEID_PLAYER && ((Player*)eOwner)->duel)
    {
        if (Player const* myOwner = GetCharmerOrOwnerPlayerOrPlayerItself())
        {
            if (myOwner->IsInDuelWith((Player const*)eOwner))
            {
                SetInCombatState(true, enemy);
                return;
            }
        }
    }

    SetInCombatState(false, enemy);
}

void Unit::SetInCombatState(bool PvP, Unit* enemy)
{
    // only alive units can be in combat
    if (!IsAlive())
    {
        return;
    }

    if (PvP)
    {
        m_CombatTimer = 5000;
    }

    bool creatureNotInCombat = GetTypeId() == TYPEID_UNIT && !HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IN_COMBAT);

    SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IN_COMBAT);

    if (IsCharmed() || (GetTypeId() != TYPEID_PLAYER && ((Creature*)this)->IsPet()))
    {
        SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PET_IN_COMBAT);
    }

    // interrupt all delayed non-combat casts
    for (uint32 i = CURRENT_FIRST_NON_MELEE_SPELL; i < CURRENT_MAX_SPELL; ++i)
        if (Spell* spell = GetCurrentSpell(CurrentSpellTypes(i)))
            if (IsNonCombatSpell(spell->m_spellInfo))
            {
                InterruptSpell(CurrentSpellTypes(i), false);
            }

    if (getRace() == RACE_WORGEN && !IsInWorgenForm(true) && HasWorgenForm())
    {
        CastSpell(this, 97709, true);   // cast Altered Form
    }

    if (creatureNotInCombat)
    {
        // should probably be removed for the attacked (+ it's party/group) only, not global
        RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_OOC_NOT_ATTACKABLE);

        // client does not handle this state on it's own (reset to default at LoadCreatureAddon)
        if (getStandState() == UNIT_STAND_STATE_CUSTOM)
        {
            SetStandState(UNIT_STAND_STATE_STAND);
        }

        Creature* pCreature = (Creature*)this;

        if (pCreature->AI())
        {
            pCreature->AI()->EnterCombat(enemy);
        }

        // Some bosses are set into combat with zone
        if (GetMap()->IsDungeon() && (pCreature->GetCreatureInfo()->ExtraFlags & CREATURE_FLAG_EXTRA_AGGRO_ZONE) && enemy && enemy->IsControlledByPlayer())
        {
            pCreature->SetInCombatWithZone();
        }

        if (InstanceData* mapInstance = GetInstanceData())
        {
            mapInstance->OnCreatureEnterCombat(pCreature);
        }

        if (m_isCreatureLinkingTrigger)
        {
            GetMap()->GetCreatureLinkingHolder()->DoCreatureLinkingEvent(LINKING_EVENT_AGGRO, pCreature, enemy);
        }
    }

    // Used by Eluna
#ifdef ENABLE_ELUNA
    if (GetTypeId() == TYPEID_PLAYER)
    {
        sEluna->OnPlayerEnterCombat(ToPlayer(), enemy);
    }
#endif /* ENABLE_ELUNA */
}

void Unit::ClearInCombat()
{
    m_CombatTimer = 0;
    RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_IN_COMBAT);

    if (IsCharmed() || (GetTypeId() != TYPEID_PLAYER && ((Creature*)this)->IsPet()))
    {
        RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PET_IN_COMBAT);
    }

    // Used by Eluna
#ifdef ENABLE_ELUNA
    if (GetTypeId() == TYPEID_PLAYER)
    {
        sEluna->OnPlayerLeaveCombat(ToPlayer());
    }
#endif /* ENABLE_ELUNA */

    // Player's state will be cleared in Player::UpdateContestedPvP
    if (GetTypeId() == TYPEID_UNIT)
    {
        Creature* cThis = static_cast<Creature*>(this);
        if (cThis->GetCreatureInfo()->UnitFlags & UNIT_FLAG_OOC_NOT_ATTACKABLE && !(cThis->GetTemporaryFactionFlags() & TEMPFACTION_TOGGLE_OOC_NOT_ATTACK))
        {
            SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_OOC_NOT_ATTACKABLE);
        }

        clearUnitState(UNIT_STAT_ATTACK_PLAYER);
    }
    else
    {
        ((Player*)this)->UpdatePotionCooldown();
    }
}

bool Unit::IsTargetableForAttack(bool inverseAlive /*=false*/) const
{
    if (GetTypeId() == TYPEID_PLAYER && ((Player*)this)->isGameMaster())
    {
        return false;
    }

    if (HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE | UNIT_FLAG_NOT_SELECTABLE))
    {
        return false;
    }

    // to be removed if unit by any reason enter combat
    if (HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_OOC_NOT_ATTACKABLE))
    {
        return false;
    }

    // inversealive is needed for some spells which need to be casted at dead targets (aoe)
    if (IsAlive() == inverseAlive)
    {
        return false;
    }

    return IsInWorld() && !hasUnitState(UNIT_STAT_DIED) && !IsTaxiFlying();
}

int32 Unit::ModifyHealth(int32 dVal)
{
    if (dVal == 0)
    {
        return 0;
    }

    int32 curHealth = (int32)GetHealth();

    int32 val = dVal + curHealth;
    if (val <= 0)
    {
        SetHealth(0);
        return -curHealth;
    }

    int32 maxHealth = (int32)GetMaxHealth();

    int32 gain;
    if (val < maxHealth)
    {
        SetHealth(val);
        gain = val - curHealth;
    }
    else
    {
        SetHealth(maxHealth);
        gain = maxHealth - curHealth;
    }

    return gain;
}

int32 Unit::ModifyPower(Powers power, int32 dVal)
{
    if (dVal == 0)
    {
        return 0;
    }

    int32 curPower = (int32)GetPower(power);

    int32 val = dVal + curPower;
    if (val <= 0)
    {
        SetPower(power, 0);
        return -curPower;
    }

    int32 maxPower = (int32)GetMaxPower(power);

    int32 gain;
    if (val < maxPower)
    {
        SetPower(power, val);
        gain = val - curPower;
    }
    else
    {
        SetPower(power, maxPower);
        gain = maxPower - curPower;
    }

    return gain;
}

bool Unit::IsVisibleForOrDetect(Unit const* u, WorldObject const* viewPoint, bool detect, bool inVisibleList, bool is3dDistance) const
{
    if (!u || !IsInMap(u))
    {
        return false;
    }

    // Always can see self
    if (u == this)
    {
        return true;
    }

    // player visible for other player if not logout and at same transport
    // including case when player is out of world
    bool at_same_transport =
        GetTypeId() == TYPEID_PLAYER &&  u->GetTypeId() == TYPEID_PLAYER &&
        !((Player*)this)->GetSession()->PlayerLogout() && !((Player*)u)->GetSession()->PlayerLogout() &&
        !((Player*)this)->GetSession()->PlayerLoading() && !((Player*)u)->GetSession()->PlayerLoading() &&
        ((Player*)this)->GetTransport() && ((Player*)this)->GetTransport() == ((Player*)u)->GetTransport();

    // not in world
    if (!at_same_transport && (!IsInWorld() || !u->IsInWorld()))
    {
        return false;
    }

    // forbidden to seen (while Removing corpse)
    if (m_Visibility == VISIBILITY_REMOVE_CORPSE)
    {
        return false;
    }

    Map& _map = *u->GetMap();
    // Grid dead/alive checks
    if (u->GetTypeId() == TYPEID_PLAYER)
    {
        // non visible at grid for any stealth state
        if (!IsVisibleInGridForPlayer((Player*)u))
        {
            return false;
        }

        // if player is dead then he can't detect anyone in any cases
        if (!u->IsAlive())
        {
            detect = false;
        }
    }
    else
    {
        // all dead creatures/players not visible for any creatures
        if (!u->IsAlive() || !IsAlive())
        {
            return false;
        }
    }

    // different visible distance checks
    if (u->IsTaxiFlying())                                  // what see player in flight
    {
        // use object grey distance for all (only see objects any way)
        if (!IsWithinDistInMap(viewPoint, World::GetMaxVisibleDistanceInFlight() + (inVisibleList ? World::GetVisibleObjectGreyDistance() : 0.0f), is3dDistance))
        {
            return false;
        }
    }
    else if (!at_same_transport)                            // distance for show player/pet/creature (no transport case)
    {
        // Any units far than max visible distance for viewer or not in our map are not visible too
        if (!IsWithinDistInMap(viewPoint, _map.GetVisibilityDistance() + (inVisibleList ? World::GetVisibleUnitGreyDistance() : 0.0f), is3dDistance))
        {
            return false;
        }
    }

    // always seen by owner
    if (GetCharmerOrOwnerGuid() == u->GetObjectGuid())
    {
        return true;
    }

    // isInvisibleForAlive() those units can only be seen by dead or if other
    // unit is also invisible for alive.. if an isinvisibleforalive unit dies we
    // should be able to see it too
    if (u->IsAlive() && IsAlive() && isInvisibleForAlive() != u->isInvisibleForAlive())
        if (u->GetTypeId() != TYPEID_PLAYER || !((Player*)u)->isGameMaster())
        {
            return false;
        }

    // Visible units, always are visible for all units, except for units under invisibility and phases
    if (m_Visibility == VISIBILITY_ON && u->m_invisibilityMask == 0)
    {
        return true;
    }

    // GMs see any players, not higher GMs and all units in any phase
    if (u->GetTypeId() == TYPEID_PLAYER && ((Player*)u)->isGameMaster())
    {
        if (GetTypeId() == TYPEID_PLAYER)
        {
            return ((Player*)this)->GetSession()->GetSecurity() <= ((Player*)u)->GetSession()->GetSecurity();
        }
        else
        {
            return true;
        }
    }

    // non faction visibility non-breakable for non-GMs
    if (m_Visibility == VISIBILITY_OFF)
    {
        return false;
    }

    // grouped players should always see stealthed party members
    if (GetTypeId() == TYPEID_PLAYER && u->GetTypeId() == TYPEID_PLAYER)
        if (((Player*)this)->IsGroupVisibleFor(((Player*)u)) && u->IsFriendlyTo(this))
        {
            return true;
        }

    // raw invisibility
    bool invisible = (m_invisibilityMask != 0 || u->m_invisibilityMask != 0);
    if (u->GetTypeId() == TYPEID_PLAYER) // if object is player with mover, use its visibility masks, so that an invisible player MCing a creature can see stuff
    {
        if (Player* player = (Player*)u)
        {
            if (Unit* mover=player->GetMover())
            {
                invisible= (m_invisibilityMask != 0 || mover->m_invisibilityMask != 0);
            }
        }
    }

    // detectable invisibility case
    if (invisible && (
                // Invisible units, always are visible for units under same invisibility type
                (m_invisibilityMask & u->m_invisibilityMask) != 0 ||
                // Invisible units, always are visible for unit that can detect this invisibility (have appropriate level for detect)
                u->canDetectInvisibilityOf(this) ||
                // Units that can detect invisibility always are visible for units that can be detected
                canDetectInvisibilityOf(u)))
    {
        invisible = false;
    }

    // special cases for always overwrite invisibility/stealth
    if (invisible || m_Visibility == VISIBILITY_GROUP_STEALTH)
    {
        if (u->IsHostileTo(this))
        {
            // Hunter mark functionality
            AuraList const& auras = GetAurasByType(SPELL_AURA_MOD_STALKED);
            for (AuraList::const_iterator iter = auras.begin(); iter != auras.end(); ++iter)
                if ((*iter)->GetCasterGuid() == u->GetObjectGuid())
                {
                    return true;
                }
        }

        // none other cases for detect invisibility, so invisible
        if (invisible)
        {
            return false;
        }
    }

    // unit got in stealth in this moment and must ignore old detected state
    if (m_Visibility == VISIBILITY_GROUP_NO_DETECT)
    {
        return false;
    }

    // GM invisibility checks early, invisibility if any detectable, so if not stealth then visible
    if (m_Visibility != VISIBILITY_GROUP_STEALTH)
    {
        return true;
    }

    // NOW ONLY STEALTH CASE

    // if in non-detect mode then invisible for unit
    // mobs always detect players (detect == true)... return 'false' for those mobs which have (detect == false)
    // players detect players only in Player::HandleStealthedUnitsDetection()
    if (!detect)
    {
        return (u->GetTypeId() == TYPEID_PLAYER) ? ((Player*)u)->HaveAtClient(this) : false;
    }

    // Special cases

    // If is attacked then stealth is lost, some creature can use stealth too
    if (!getAttackers().empty())
    {
        return true;
    }

    // If there is collision rogue is seen regardless of level difference
    if (IsWithinDist(u, 0.24f))
    {
        return true;
    }

    // If a mob or player is stunned he will not be able to detect stealth
    if (u->hasUnitState(UNIT_STAT_STUNNED) && (u != this))
    {
        return false;
    }

    // set max ditance
    float visibleDistance = (u->GetTypeId() == TYPEID_PLAYER) ? MAX_PLAYER_STEALTH_DETECT_RANGE : ((Creature const*)u)->GetAttackDistance(this);

    // Always invisible from back (when stealth detection is on), also filter max distance cases
    bool isInFront = viewPoint->IsInFrontInMap(this, visibleDistance);
    if (!isInFront)
    {
        return false;
    }

    // if doesn't have stealth detection (Shadow Sight), then check how stealthy the unit is, otherwise just check los
    if (!u->HasAuraType(SPELL_AURA_DETECT_STEALTH))
    {
        // Calculation if target is in front

        // Visible distance based on stealth value (stealth rank 4 300MOD, 10.5 - 3 = 7.5)
        visibleDistance = 10.5f - (GetTotalAuraModifier(SPELL_AURA_MOD_STEALTH) / 100.0f);

        // Visible distance is modified by
        //-Level Diff (every level diff = 1.0f in visible distance)
        visibleDistance += int32(u->GetLevelForTarget(this)) - int32(GetLevelForTarget(u));

        // This allows to check talent tree and will add addition stealth dependent on used points)
        int32 stealthMod = GetTotalAuraModifier(SPELL_AURA_MOD_STEALTH_LEVEL);
        if (stealthMod < 0)
        {
            stealthMod = 0;
        }

        //-Stealth Mod(positive like Master of Deception) and Stealth Detection(negative like paranoia)
        // based on wowwiki every 5 mod we have 1 more level diff in calculation
        visibleDistance += (int32(u->GetTotalAuraModifier(SPELL_AURA_MOD_STEALTH_DETECT)) - stealthMod) / 5.0f;
        visibleDistance = visibleDistance > MAX_PLAYER_STEALTH_DETECT_RANGE ? MAX_PLAYER_STEALTH_DETECT_RANGE : visibleDistance;

        // recheck new distance
        if (visibleDistance <= 0 || !IsWithinDist(viewPoint, visibleDistance))
        {
            return false;
        }
    }

    // Now check is target visible with LoS
    float ox, oy, oz;
    viewPoint->GetPosition(ox, oy, oz);
    return IsWithinLOS(ox, oy, oz);
}

void Unit::UpdateVisibilityAndView()
{

    static const AuraType auratypes[] = {SPELL_AURA_BIND_SIGHT, SPELL_AURA_FAR_SIGHT, SPELL_AURA_NONE};
    for (AuraType const* type = &auratypes[0]; *type != SPELL_AURA_NONE; ++type)
    {
        AuraList& alist = m_modAuras[*type];
        if (alist.empty())
        {
            continue;
        }

        for (AuraList::iterator it = alist.begin(); it != alist.end();)
        {
            Aura* aura = (*it);
            Unit* owner = aura->GetCaster();

            if (!owner || !IsVisibleForOrDetect(owner, this, false))
            {
                alist.erase(it);
                RemoveAura(aura);
                it = alist.begin();
            }
            else
            {
                ++it;
            }
        }
    }

    GetViewPoint().Call_UpdateVisibilityForOwner();
    UpdateObjectVisibility();
    ScheduleAINotify(0);
    GetViewPoint().Event_ViewPointVisibilityChanged();
}

void Unit::SetVisibility(UnitVisibility x)
{
    m_Visibility = x;

    if (IsInWorld())
    {
        UpdateVisibilityAndView();
    }
}

bool Unit::canDetectInvisibilityOf(Unit const* u) const
{
    if (uint32 mask = (m_detectInvisibilityMask & u->m_invisibilityMask))
    {
        for (int32 i = 0; i < 32; ++i)
        {
            if (((1 << i) & mask) == 0)
            {
                continue;
            }

            // find invisibility level
            int32 invLevel = 0;
            Unit::AuraList const& iAuras = u->GetAurasByType(SPELL_AURA_MOD_INVISIBILITY);
            for (Unit::AuraList::const_iterator itr = iAuras.begin(); itr != iAuras.end(); ++itr)
                if ((*itr)->GetModifier()->m_miscvalue == i && invLevel < (*itr)->GetModifier()->m_amount)
                {
                    invLevel = (*itr)->GetModifier()->m_amount;
                }

            // find invisibility detect level
            int32 detectLevel = 0;
            Unit::AuraList const& dAuras = GetAurasByType(SPELL_AURA_MOD_INVISIBILITY_DETECTION);
            for (Unit::AuraList::const_iterator itr = dAuras.begin(); itr != dAuras.end(); ++itr)
                if ((*itr)->GetModifier()->m_miscvalue == i && detectLevel < (*itr)->GetModifier()->m_amount)
                {
                    detectLevel = (*itr)->GetModifier()->m_amount;
                }

            if (i == 6 && GetTypeId() == TYPEID_PLAYER)     // special drunk detection case
            {
                detectLevel = ((Player*)this)->GetDrunkValue();
            }

            if (invLevel <= detectLevel)
            {
                return true;
            }
        }
    }

    return false;
}

void Unit::UpdateSpeed(UnitMoveType mtype, bool forced, float ratio, bool ignoreChange)
{
    // not in combat pet have same speed as owner
    switch (mtype)
    {
        case MOVE_RUN:
        case MOVE_WALK:
        case MOVE_SWIM:
            if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet() && hasUnitState(UNIT_STAT_FOLLOW))
            {
                if (Unit* owner = GetOwner())
                {
                    SetSpeedRate(mtype, owner->GetSpeedRate(mtype), forced, ignoreChange);
                    return;
                }
            }
            break;
        default:
            break;
    }

    int32 main_speed_mod  = 0;
    float stack_bonus     = 1.0f;
    float non_stack_bonus = 1.0f;

    switch (mtype)
    {
        case MOVE_WALK:
            break;
        case MOVE_RUN:
        {
            if (IsMounted()) // Use on mount auras
            {
                main_speed_mod  = GetMaxPositiveAuraModifier(SPELL_AURA_MOD_INCREASE_MOUNTED_SPEED);
                stack_bonus     = GetTotalAuraMultiplier(SPELL_AURA_MOD_MOUNTED_SPEED_ALWAYS);
                non_stack_bonus = (100.0f + GetMaxPositiveAuraModifier(SPELL_AURA_MOD_MOUNTED_SPEED_NOT_STACK)) / 100.0f;
            }
            else
            {
                main_speed_mod  = GetMaxPositiveAuraModifier(SPELL_AURA_MOD_INCREASE_SPEED);
                stack_bonus     = GetTotalAuraMultiplier(SPELL_AURA_MOD_SPEED_ALWAYS);
                non_stack_bonus = (100.0f + GetMaxPositiveAuraModifier(SPELL_AURA_MOD_SPEED_NOT_STACK)) / 100.0f;
            }
            break;
        }
        case MOVE_RUN_BACK:
            return;
        case MOVE_SWIM:
        {
            main_speed_mod  = GetMaxPositiveAuraModifier(SPELL_AURA_MOD_INCREASE_SWIM_SPEED);
            break;
        }
        case MOVE_SWIM_BACK:
            return;
        case MOVE_FLIGHT:
        {
            if (IsMounted()) // Use on mount auras
            {
                main_speed_mod  = GetMaxPositiveAuraModifier(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED);
                stack_bonus     = GetTotalAuraMultiplier(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED_STACKING);
                non_stack_bonus = (100.0f + GetMaxPositiveAuraModifier(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED_NOT_STACKING)) / 100.0f;
            }
            else             // Use not mount (shapeshift for example) auras (should stack)
            {
                main_speed_mod  = GetTotalAuraModifier(SPELL_AURA_MOD_FLIGHT_SPEED);
                stack_bonus     = GetTotalAuraMultiplier(SPELL_AURA_MOD_FLIGHT_SPEED_STACKING);
                non_stack_bonus = (100.0f + GetMaxPositiveAuraModifier(SPELL_AURA_MOD_FLIGHT_SPEED_NOT_STACKING)) / 100.0f;
            }
            break;
        }
        case MOVE_FLIGHT_BACK:
            return;
        default:
            sLog.outError("Unit::UpdateSpeed: Unsupported move type (%d)", mtype);
            return;
    }

    float bonus = non_stack_bonus > stack_bonus ? non_stack_bonus : stack_bonus;
    // now we ready for speed calculation
    float speed  = main_speed_mod ? bonus * (100.0f + main_speed_mod) / 100.0f : bonus;

    switch (mtype)
    {
        case MOVE_RUN:
        case MOVE_SWIM:
        case MOVE_FLIGHT:
        {
            // Normalize speed by 191 aura SPELL_AURA_USE_NORMAL_MOVEMENT_SPEED if need
            // TODO: possible affect only on MOVE_RUN
            if (int32 normalization = GetMaxPositiveAuraModifier(SPELL_AURA_USE_NORMAL_MOVEMENT_SPEED))
            {
                // Use speed from aura
                float max_speed = normalization / baseMoveSpeed[mtype];
                if (speed > max_speed)
                {
                    speed = max_speed;
                }
            }
            break;
        }
        default:
            break;
    }

    // for creature case, we check explicit if mob searched for assistance
    if (GetTypeId() == TYPEID_UNIT)
    {
        if (((Creature*)this)->HasSearchedAssistance())
        {
            speed *= 0.66f;                                 // best guessed value, so this will be 33% reduction. Based off initial speed, mob can then "run", "walk fast" or "walk".
        }
    }
    // for player case, we look for some custom rates
    else
    {
        if (GetDeathState() == CORPSE)
        {
            speed *= sWorld.getConfig(((Player*)this)->InBattleGround() ? CONFIG_FLOAT_GHOST_RUN_SPEED_BG : CONFIG_FLOAT_GHOST_RUN_SPEED_WORLD);
        }
    }

    // Apply strongest slow aura mod to speed
    int32 slow = GetMaxNegativeAuraModifier(SPELL_AURA_MOD_DECREASE_SPEED);
    if (slow)
    {
        speed *= (100.0f + slow) / 100.0f;
        float min_speed = (float)GetMaxPositiveAuraModifier(SPELL_AURA_MOD_MINIMUM_SPEED) / 100.0f;
        if (speed < min_speed)
        {
            speed = min_speed;
        }
    }

    if (GetTypeId() == TYPEID_UNIT)
    {
        switch (mtype)
        {
            case MOVE_RUN:
                speed *= ((Creature*)this)->GetCreatureInfo()->SpeedRun;
                break;
            case MOVE_WALK:
                speed *= ((Creature*)this)->GetCreatureInfo()->SpeedWalk;
                break;
            default:
                break;
        }
    }

    SetSpeedRate(mtype, speed * ratio, forced, ignoreChange);
}

float Unit::GetSpeed(UnitMoveType mtype) const
{
    return m_speed_rate[mtype] * baseMoveSpeed[mtype];
}

struct SetSpeedRateHelper
{
    explicit SetSpeedRateHelper(UnitMoveType _mtype, bool _forced, bool _ignoreChange) : mtype(_mtype), forced(_forced), ignoreChange(_ignoreChange) {}
    void operator()(Unit* unit) const { unit->UpdateSpeed(mtype, forced, 1.0f, ignoreChange); }
    UnitMoveType mtype;
    bool forced, ignoreChange;
};

void Unit::SetSpeedRate(UnitMoveType mtype, float rate, bool forced, bool ignoreChange)
{
    if (rate < 0)
    {
        rate = 0.0f;
    }

    // Update speed only on change
    if (m_speed_rate[mtype] != rate || ignoreChange)
    {
        m_speed_rate[mtype] = rate;

        PropagateSpeedChange();

        WorldPacket data;
        ObjectGuid guid = GetObjectGuid();

        if (forced && GetTypeId() == TYPEID_PLAYER)
        {
            // register forced speed changes for WorldSession::HandleForceSpeedChangeAck
            // and do it only for real sent packets and use run for run/mounted as client expected
            ++((Player*)this)->m_forced_speed_changes[mtype];
            switch (mtype)
            {
                case MOVE_WALK:
                {
                    data.Initialize(SMSG_MOVE_SET_WALK_SPEED, 1 + 8 + 4 + 4);
                    data.WriteGuidMask<0, 4, 5, 2, 3, 1, 6, 7>(guid);
                    data.WriteGuidBytes<6, 1, 5>(guid);
                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<2>(guid);
                    data << uint32(0);
                    data.WriteGuidBytes<4, 0, 7, 3>(guid);
                    break;
                }
                case MOVE_RUN:
                {
                    data.Initialize(SMSG_MOVE_SET_RUN_SPEED, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<6, 1, 5, 2, 7, 0, 3, 4>(guid);
                    data.WriteGuidBytes<5, 3, 1, 4>(guid);
                    data << uint32(0);
                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<6, 0, 7, 2>(guid);
                    break;
                }
                case MOVE_RUN_BACK:
                {
                    data.Initialize(SMSG_MOVE_SET_RUN_BACK_SPEED, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<0, 6, 2, 1, 3, 5, 4, 7>(guid);
                    data.WriteGuidBytes<5>(guid);
                    data << uint32(0);
                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<0, 4, 7, 3, 1, 2, 6>(guid);
                    break;
                }
                case MOVE_SWIM:
                {
                    data.Initialize(SMSG_MOVE_SET_SWIM_SPEED, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<5, 4, 7, 3, 2, 0, 1, 6>(guid);
                    data.WriteGuidBytes<0>(guid);
                    data << uint32(0);
                    data.WriteGuidBytes<6, 3, 5, 2>(guid);
                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<1, 7, 4>(guid);
                    break;
                }
                case MOVE_SWIM_BACK:
                {
                    data.Initialize(SMSG_MOVE_SET_SWIM_BACK_SPEED, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<4, 2, 3, 6, 5, 1, 0, 7>(guid);
                    data << uint32(0);
                    data.WriteGuidBytes<0, 3, 4, 6, 5, 1>(guid);
                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<0, 7>(guid);
                    break;
                }
                case MOVE_TURN_RATE:
                {
                    data.Initialize(SMSG_MOVE_SET_TURN_RATE, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<7, 2, 1, 0, 4, 5, 6, 3>(guid);
                    data.WriteGuidBytes<5, 7, 2>(guid);
                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<3, 1, 0>(guid);
                    data << uint32(0);
                    data.WriteGuidBytes<6, 4>(guid);
                    break;
                }
                case MOVE_FLIGHT:
                {
                    data.Initialize(SMSG_MOVE_SET_FLIGHT_SPEED, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<0, 5, 1, 6, 3, 2, 7, 4>(guid);
                    data.WriteGuidBytes<0, 1, 7, 5>(guid);
                    data << float(GetSpeed(mtype));
                    data << uint32(0);
                    data.WriteGuidBytes<2, 6, 3, 4>(guid);
                    break;
                }
                case MOVE_FLIGHT_BACK:
                {
                    data.Initialize(SMSG_MOVE_SET_FLIGHT_BACK_SPEED, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<1, 2, 6, 4, 7, 3, 0, 5>(guid);

                    data.WriteGuidBytes<3>(guid);
                    data << uint32(0);
                    data.WriteGuidBytes<6>(guid);
                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<1, 2, 4, 0, 5, 7>(guid);
                    break;
                }
                case MOVE_PITCH_RATE:
                {
                    data.Initialize(SMSG_MOVE_SET_PITCH_RATE, 1 + 8 + 4 + 4 );
                    data.WriteGuidMask<1, 2, 6, 7, 0, 3, 5, 4>(guid);

                    data << float(GetSpeed(mtype));
                    data.WriteGuidBytes<6, 4, 0>(guid);
                    data << uint32(0);
                    data.WriteGuidBytes<1, 2, 7, 3, 5>(guid);
                    break;
                }
                default:
                    sLog.outError("Unit::SetSpeed: Unsupported move type (%d), data not sent to client.", mtype);
                    return;
            }

            ((Player*)this)->GetSession()->SendPacket(&data);
        }

        m_movementInfo.UpdateTime(GameTime::GetGameTimeMS());

        // TODO: Actually such opcodes should (always?) be packed with SMSG_COMPRESSED_MOVES
        switch (mtype)
        {
            case MOVE_WALK:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_WALK_SPEED, 1 + 8 + 4);
                data.WriteGuidMask<0, 6, 7, 3, 5, 1, 2, 4>(guid);
                data.WriteGuidBytes<0, 4, 7, 1, 5, 3>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<6, 2>(guid);
                break;
            }
            case MOVE_RUN:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_RUN_SPEED, 1 + 8 + 4);
                data.WriteGuidMask<4, 0, 5, 7, 6, 3, 1, 2>(guid);
                data.WriteGuidBytes<0, 7, 6, 5, 3, 4>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<2, 1>(guid);
                break;
            }
            case MOVE_RUN_BACK:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_RUN_BACK_SPEED, 1 + 8 + 4);
                data.WriteGuidMask<1, 2, 6, 0, 3, 7, 5, 4>(guid);
                data.WriteGuidBytes<1>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<2, 4, 0, 3, 6, 5, 7>(guid);
                break;
            }
            case MOVE_SWIM:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_SWIM_SPEED, 1 + 8 + 4);
                data.WriteGuidMask<4, 2, 5, 0, 7, 6, 3, 1>(guid);
                data.WriteGuidBytes<5, 6, 1, 0, 2, 4>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<7, 3>(guid);
                break;
            }
            case MOVE_SWIM_BACK:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_SWIM_BACK_SPEED, 1 + 8 + 4);
                data.WriteGuidMask<0, 1, 3, 6, 4, 5, 7, 2>(guid);
                data.WriteGuidBytes<5, 3, 1, 0, 7, 6>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<4, 2>(guid);
                break;
            }
            case MOVE_TURN_RATE:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_TURN_RATE, 1 + 8 + 4);
                data.WriteGuidMask<2, 4, 6, 1, 3, 5, 7, 0>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<1, 5, 3, 2, 7, 4, 6, 0>(guid);
                break;
            }
            case MOVE_FLIGHT:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_FLIGHT_SPEED, 1 + 8 + 4);
                data.WriteGuidMask<7, 4, 0, 1, 3, 6, 5, 2>(guid);
                data.WriteGuidBytes<0, 5, 4, 7, 3, 2, 1, 6>(guid);
                data << float(GetSpeed(mtype));
                break;
            }
            case MOVE_FLIGHT_BACK:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_FLIGHT_BACK_SPEED, 1 + 8 + 4);
                data.WriteGuidMask<2, 1, 6, 5, 0, 3, 4, 7>(guid);
                data.WriteGuidBytes<5>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<6, 1, 0, 2, 3, 7, 4>(guid);
                break;
            }
            case MOVE_PITCH_RATE:
            {
                data.Initialize(SMSG_SPLINE_MOVE_SET_PITCH_RATE, 1 + 8 + 4);
                data.WriteGuidMask<3, 5, 6, 1, 0, 4, 7, 2>(guid);
                data.WriteGuidBytes<1, 5, 7, 0, 6, 3, 2>(guid);
                data << float(GetSpeed(mtype));
                data.WriteGuidBytes<4>(guid);
                break;
            }
            default:
                sLog.outError("Unit::SetSpeed: Unsupported move type (%d), data not sent to client.", mtype);
                return;
        }

        SendMessageToSet(&data, false);
    }

    CallForAllControlledUnits(SetSpeedRateHelper(mtype, forced, ignoreChange), CONTROLLED_PET | CONTROLLED_GUARDIANS | CONTROLLED_CHARM | CONTROLLED_MINIPET);
}

void Unit::SetDeathState(DeathState s)
{
    if (s != ALIVE && s != JUST_ALIVED)
    {
        CombatStop();
        DeleteThreatList();
        ClearComboPointHolders();                           // any combo points pointed to unit lost at it death

        if (IsNonMeleeSpellCasted(false))
        {
            InterruptNonMeleeSpells(false);
        }
    }

    if (s == JUST_DIED)
    {
        RemoveAllAurasOnDeath();
        RemoveGuardians();
        RemoveMiniPet();
        UnsummonAllTotems();

        StopMoving();
        i_motionMaster.Clear(false, true);
        i_motionMaster.MoveIdle();

        // Unsummon vehicle accessories
        if (IsVehicle())
        {
            m_vehicleInfo->RemoveAccessoriesFromMap();
        }

        // Unboard from transport
        if (GetTransportInfo() && ((Unit*)GetTransportInfo()->GetTransport())->IsVehicle())
        {
            ((Unit*)GetTransportInfo()->GetTransport())->RemoveSpellsCausingAura(SPELL_AURA_CONTROL_VEHICLE, GetObjectGuid());
        }

        ModifyAuraState(AURA_STATE_HEALTHLESS_20_PERCENT, false);
        ModifyAuraState(AURA_STATE_HEALTHLESS_35_PERCENT, false);
        // remove aurastates allowing special moves
        ClearAllReactives();
        ClearDiminishings();
    }
    else if (s == JUST_ALIVED)
    {
        RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_SKINNABLE);  // clear skinnable for creature and player (at battleground)
    }

    if (m_deathState != ALIVE && s == ALIVE)
    {
        //_ApplyAllAuraMods();
    }
    m_deathState = s;
}

/*########################################
########                          ########
########       AGGRO SYSTEM       ########
########                          ########
########################################*/

bool Unit::CanHaveThreatList(bool ignoreAliveState/*=false*/) const
{
    // only creatures can have threat list
    if (GetTypeId() != TYPEID_UNIT)
    {
        return false;
    }

    // only alive units can have threat list
    if (!IsAlive() && !ignoreAliveState)
    {
        return false;
    }

    Creature const* creature = ((Creature const*)this);

    // totems can not have threat list
    if (creature->IsTotem())
    {
        return false;
    }

    // pets can not have a threat list, unless they are controlled by a creature
    if (creature->IsPet() && creature->GetOwnerGuid().IsPlayer())
    {
        return false;
    }

    // charmed units can not have a threat list if charmed by player
    if (creature->GetCharmerGuid().IsPlayer())
    {
        return false;
    }

    return true;
}

//======================================================================

float Unit::ApplyTotalThreatModifier(float threat, SpellSchoolMask schoolMask)
{
    if (!HasAuraType(SPELL_AURA_MOD_THREAT))
    {
        return threat;
    }

    if (schoolMask == SPELL_SCHOOL_MASK_NONE)
    {
        return threat;
    }

    SpellSchools school = GetFirstSchoolInMask(schoolMask);

    return threat * m_threatModifier[school];
}

//======================================================================

void Unit::AddThreat(Unit* pVictim, float threat /*= 0.0f*/, bool crit /*= false*/, SpellSchoolMask schoolMask /*= SPELL_SCHOOL_MASK_NONE*/, SpellEntry const* threatSpell /*= NULL*/)
{
    // Only mobs can manage threat lists
    if (CanHaveThreatList())
    {
        m_ThreatManager.addThreat(pVictim, threat, crit, schoolMask, threatSpell);
    }
}

//======================================================================

void Unit::DeleteThreatList()
{
    if (CanHaveThreatList(true) && !m_ThreatManager.isThreatListEmpty())
    {
        SendThreatClear();
    }

    m_ThreatManager.clearReferences();
}

//======================================================================

void Unit::TauntApply(Unit* taunter)
{
    MANGOS_ASSERT(GetTypeId() == TYPEID_UNIT);

    if (!taunter || (taunter->GetTypeId() == TYPEID_PLAYER && ((Player*)taunter)->isGameMaster()))
    {
        return;
    }

    if (!CanHaveThreatList())
    {
        return;
    }

    Unit* target = getVictim();

    if (target && target == taunter)
    {
        return;
    }

    // Only attack taunter if this is a valid target
    if (!hasUnitState(UNIT_STAT_STUNNED | UNIT_STAT_DIED) && !IsSecondChoiceTarget(taunter, true))
    {
        if (GetTargetGuid() || !target)
        {
            SetInFront(taunter);
        }

        if (((Creature*)this)->AI())
        {
            ((Creature*)this)->AI()->AttackStart(taunter);
        }
    }

    m_ThreatManager.tauntApply(taunter);
}

//======================================================================

void Unit::TauntFadeOut(Unit* taunter)
{
    MANGOS_ASSERT(GetTypeId() == TYPEID_UNIT);

    if (!taunter || (taunter->GetTypeId() == TYPEID_PLAYER && ((Player*)taunter)->isGameMaster()))
    {
        return;
    }

    if (!CanHaveThreatList())
    {
        return;
    }

    Unit* target = getVictim();

    if (!target || target != taunter)
    {
        return;
    }

    if (m_ThreatManager.isThreatListEmpty())
    {
        m_fixateTargetGuid.Clear();

        if (((Creature*)this)->AI())
        {
            ((Creature*)this)->AI()->EnterEvadeMode();
        }

        if (InstanceData* mapInstance = GetInstanceData())
        {
            mapInstance->OnCreatureEvade((Creature*)this);
        }

        if (m_isCreatureLinkingTrigger)
        {
            GetMap()->GetCreatureLinkingHolder()->DoCreatureLinkingEvent(LINKING_EVENT_EVADE, (Creature*)this);
        }

        return;
    }

    m_ThreatManager.tauntFadeOut(taunter);
    target = m_ThreatManager.getHostileTarget();

    if (target && target != taunter)
    {
        if (GetTargetGuid())
        {
            SetInFront(target);
        }

        if (((Creature*)this)->AI())
        {
            ((Creature*)this)->AI()->AttackStart(target);
        }
    }
}

//======================================================================
/// if pVictim is given, the npc will fixate onto pVictim, if NULL it will remove current fixation
void Unit::FixateTarget(Unit* pVictim)
{
    if (!pVictim)                                           // Remove Fixation
    {
        m_fixateTargetGuid.Clear();
    }
    else if (pVictim->IsTargetableForAttack())              // Apply Fixation
    {
        m_fixateTargetGuid = pVictim->GetObjectGuid();
    }

    // Start attacking the fixated target or the next proper one
    SelectHostileTarget();
}

//======================================================================

bool Unit::IsSecondChoiceTarget(Unit* pTarget, bool checkThreatArea) const
{
    MANGOS_ASSERT(pTarget && GetTypeId() == TYPEID_UNIT);

    return
        pTarget->IsImmunedToDamage(GetMeleeDamageSchoolMask()) ||
        pTarget->hasNegativeAuraWithInterruptFlag(AURA_INTERRUPT_FLAG_DAMAGE) ||
        checkThreatArea && ((Creature*)this)->IsOutOfThreatArea(pTarget);
}

//======================================================================

bool Unit::SelectHostileTarget()
{
    // function provides main threat functionality
    // next-victim-selection algorithm and evade mode are called
    // threat list sorting etc.

    MANGOS_ASSERT(GetTypeId() == TYPEID_UNIT);

    if (!this->IsAlive())
    {
        return false;
    }

    // This function only useful once AI has been initialized
    if (!((Creature*)this)->AI())
    {
        return false;
    }

    Unit* target = NULL;
    Unit* oldTarget = getVictim();

    // first check if we should fixate a target
    if (m_fixateTargetGuid)
    {
        if (oldTarget && oldTarget->GetObjectGuid() == m_fixateTargetGuid)
        {
            target = oldTarget;
        }
        else
        {
            Unit* pFixateTarget = GetMap()->GetUnit(m_fixateTargetGuid);
            if (pFixateTarget && pFixateTarget->IsAlive() && !IsSecondChoiceTarget(pFixateTarget, true))
            {
                target = pFixateTarget;
            }
        }
    }
    // then checking if we have some taunt on us
    if (!target)
    {
        const AuraList& tauntAuras = GetAurasByType(SPELL_AURA_MOD_TAUNT);
        Unit* caster;

        // Find first available taunter target
        // Auras are pushed_back, last caster will be on the end
        for (AuraList::const_reverse_iterator aura = tauntAuras.rbegin(); aura != tauntAuras.rend(); ++aura)
        {
            if ((caster = (*aura)->GetCaster()) && caster->IsInMap(this) &&
                caster->IsTargetableForAttack() && caster->isInAccessablePlaceFor((Creature*)this) &&
                !IsSecondChoiceTarget(caster, true))
            {
                target = caster;
                break;
            }
        }
    }

    // No valid fixate target, taunt aura or taunt aura caster is dead, standard target selection
    if (!target && !m_ThreatManager.isThreatListEmpty())
    {
        target = m_ThreatManager.getHostileTarget();
    }

    if (target)
    {
        if (!hasUnitState(UNIT_STAT_STUNNED | UNIT_STAT_DIED))
        {
            SetInFront(target);
            if (oldTarget != target)
            {
                ((Creature*)this)->AI()->AttackStart(target);
            }

            // check if currently selected target is reachable
            // NOTE: path alrteady generated from AttackStart()
            if (!GetMotionMaster()->GetCurrent()->IsReachable())
            {
                // remove all taunts
                RemoveSpellsCausingAura(SPELL_AURA_MOD_TAUNT);

                if (m_ThreatManager.getThreatList().size() < 2)
                {
                    // only one target in list, we have to evade after timer
                    // TODO: make timer - inside Creature class
                    ((Creature*)this)->AI()->EnterEvadeMode();
                }
                else
                {
                    // remove unreachable target from our threat list
                    // next iteration we will select next possible target
                    m_HostileRefManager.deleteReference(target);
                    m_ThreatManager.modifyThreatPercent(target, -101);

                    // remove target from current attacker, do not exit combat settings
                    AttackStop(true);
                }

                return false;
            }
        }
        return true;
    }

    // no target but something prevent go to evade mode
    if (!IsInCombat() || HasAuraType(SPELL_AURA_MOD_TAUNT))
    {
        return false;
    }

    // last case when creature don't must go to evade mode:
    // it in combat but attacker not make any damage and not enter to aggro radius to have record in threat list
    // for example at owner command to pet attack some far away creature
    // Note: creature not have targeted movement generator but have attacker in this case
    if (GetMotionMaster()->GetCurrentMovementGeneratorType() != CHASE_MOTION_TYPE)
    {
        for (AttackerSet::const_iterator itr = m_attackers.begin(); itr != m_attackers.end(); ++itr)
        {
            if ((*itr)->IsInMap(this) && (*itr)->IsTargetableForAttack() && (*itr)->isInAccessablePlaceFor((Creature*)this))
            {
                return false;
            }
        }
    }

    // enter in evade mode in other case
    m_fixateTargetGuid.Clear();
    ((Creature*)this)->AI()->EnterEvadeMode();

    if (InstanceData* mapInstance = GetInstanceData())
    {
        mapInstance->OnCreatureEvade((Creature*)this);
    }

    if (m_isCreatureLinkingTrigger)
    {
        GetMap()->GetCreatureLinkingHolder()->DoCreatureLinkingEvent(LINKING_EVENT_EVADE, (Creature*)this);
    }

    return false;
}

//======================================================================
//======================================================================
//======================================================================

int32 Unit::CalculateSpellDamage(Unit const* target, SpellEntry const* spellProto, SpellEffectIndex effect_index, int32 const* effBasePoints)
{
    SpellEffectEntry const* spellEffect = spellProto->GetSpellEffect(effect_index);
    if(!spellEffect)
    {
        return 0;
    }

    switch (spellEffect->EffectApplyAuraName)
    {
        case SPELL_AURA_MOUNTED:
            if (MountCapabilityEntry const* mountCapability = GetMountCapability(uint32(spellEffect->EffectMiscValueB)))
            {
                return int32(mountCapability->Id);
            }
            break;
        default:
            break;
    }

    Player* unitPlayer = (GetTypeId() == TYPEID_PLAYER) ? (Player*)this : NULL;
    uint32 level = getLevel();

    // calculate basepoints dependent on mastery
    if (unitPlayer && spellProto->HasAttribute(SPELL_ATTR_EX8_MASTERY) && !spellProto->CalculateSimpleValue(effect_index))
    {
        if (int32 masteryCoef = GetMasteryCoefficient(spellProto))
        {
            return int32(GetFloatValue(PLAYER_MASTERY) * masteryCoef / 100.0f);
        }
    }

    // calculate basepoints for armor specialization spells
    if (unitPlayer && spellProto->HasAttribute(SPELL_ATTR_EX8_ARMOR_SPECIALIZATION))
    {
        // check spells not valid for current talent tree or insufficient equipped items
        if (!unitPlayer->FitArmorSpecializationRules(spellProto))
        {
            return 0;
        }
    }

    uint8 comboPoints = unitPlayer ? unitPlayer->GetComboPoints() : 0;

    int32 basePoints = 0;
    uint32 spellLevel = 0;
    float comboDamage = 0.0f;

    SpellScalingEntry const* scalingEntry = spellProto->GetSpellScaling();
    GtSpellScalingEntry const* gtScalingEntry = NULL;
    if (scalingEntry && scalingEntry->IsScalableEffect(effect_index))
    {
        if (target && IsAuraApplyEffect(spellProto, effect_index) && IsPositiveEffect(spellProto, effect_index))
        {
            level = target->getLevel();
        }

        uint32 gtSpellScalingId = level - 1;
        if (scalingEntry->playerClass == -1)
        {
            gtSpellScalingId += (MAX_CLASSES - 1) * GT_MAX_LEVEL;
        }
        else
        {
            gtSpellScalingId += (scalingEntry->playerClass - 1) * GT_MAX_LEVEL;
        }

        gtScalingEntry = sGtSpellScalingStore.LookupEntry(gtSpellScalingId);
    }

    if (gtScalingEntry)
    {
        float Scale = gtScalingEntry->value;
        if (uint32(scalingEntry->castTimeMax) > 0 && uint32(scalingEntry->castScalingMaxLevel) > level)
        {
            Scale *= float(scalingEntry->castTimeMin + float(level - 1) * (scalingEntry->castTimeMax - scalingEntry->castTimeMin) / (scalingEntry->castScalingMaxLevel - 1)) / float(scalingEntry->castTimeMax);
        }
        if (uint32(scalingEntry->coefLevelBase) > level)
        {
            Scale *= (1.0f - scalingEntry->coefBase) * (level - 1) / (scalingEntry->coefLevelBase - 1) + scalingEntry->coefBase;
        }

        basePoints = int32(scalingEntry->coeff1[effect_index] * Scale);
        int32 randomPoints = int32(scalingEntry->coeff1[effect_index] * Scale * scalingEntry->coeff2[effect_index]);
        basePoints += irand(-randomPoints, randomPoints) / 2;
        comboDamage = uint32(scalingEntry->coeff3[effect_index] * Scale);
    }
    else
    {
        spellLevel = spellProto->GetSpellLevel();
        uint32 maxLevel = spellProto->GetMaxLevel();
        uint32 baseLevel = spellProto->GetBaseLevel();

        if (maxLevel)
        {
            level = std::min(level, maxLevel);
        }
        level = std::max(level, baseLevel);
        level = std::max(level, spellLevel) - spellLevel;

        float basePointsPerLevel = spellEffect->EffectRealPointsPerLevel;
        basePoints = effBasePoints ? *effBasePoints - 1 : spellEffect->EffectBasePoints;
        basePoints += int32(level * basePointsPerLevel);
        int32 randomPoints = int32(spellEffect->EffectDieSides);
        comboDamage = spellEffect->EffectPointsPerComboPoint;

        switch (randomPoints)
        {
            case 0:                                             // not used
            case 1: basePoints += 1; break;                     // range 1..1
            default:
            {
                // range can have positive (1..rand) and negative (rand..1) values, so order its for irand
                int32 randvalue = (randomPoints >= 1)
                                  ? irand(1, randomPoints)
                                  : irand(randomPoints, 1);

                basePoints += randvalue;
                break;
            }
        }
    }

    int32 value = basePoints;

    // random damage
    if (comboDamage != 0 && unitPlayer &&
        (target && target->GetObjectGuid() == unitPlayer->GetComboTargetGuid() || spellProto->HasAttribute(SPELL_ATTR_EX8_IGNORE_TARGET_FOR_COMBO_POINTS)))
    {
        value += (int32)(comboDamage * comboPoints);
    }

    if (Player* modOwner = GetSpellModOwner())
    {
        modOwner->ApplySpellMod(spellProto->Id, SPELLMOD_ALL_EFFECTS, value);

        switch (effect_index)
        {
            case EFFECT_INDEX_0:
                modOwner->ApplySpellMod(spellProto->Id, SPELLMOD_EFFECT1, value);
                break;
            case EFFECT_INDEX_1:
                modOwner->ApplySpellMod(spellProto->Id, SPELLMOD_EFFECT2, value);
                break;
            case EFFECT_INDEX_2:
                modOwner->ApplySpellMod(spellProto->Id, SPELLMOD_EFFECT3, value);
                break;
        }
    }

    if (!gtScalingEntry && spellProto->Attributes & SPELL_ATTR_LEVEL_DAMAGE_CALCULATION && spellLevel &&
            spellEffect->Effect != SPELL_EFFECT_WEAPON_PERCENT_DAMAGE &&
            spellEffect->Effect != SPELL_EFFECT_KNOCK_BACK &&
            (spellEffect->Effect != SPELL_EFFECT_APPLY_AURA || spellEffect->EffectApplyAuraName != SPELL_AURA_MOD_DECREASE_SPEED))
        {
            value = int32(value * 0.25f * exp(level * (70 - spellLevel) / 1000.0f));
        }

    return value;
}

int32 Unit::CalculateAuraDuration(SpellEntry const* spellProto, uint32 effectMask, int32 duration, Unit const* caster, Spell const* spell /*=NULL*/)
{
    if (duration <= 0)
    {
        return duration;
    }

    int32 mechanicMod = 0;
    uint32 mechanicMask = GetSpellMechanicMask(spellProto, effectMask);

    for (int32 mechanic = FIRST_MECHANIC; mechanic < MAX_MECHANIC; ++mechanic)
    {
        if (!(mechanicMask & (1 << (mechanic - 1))))
        {
            continue;
        }

        int32 stackingMod = GetTotalAuraModifierByMiscValue(SPELL_AURA_MECHANIC_DURATION_MOD, mechanic);
        int32 nonStackingMod = GetMaxNegativeAuraModifierByMiscValue(SPELL_AURA_MECHANIC_DURATION_MOD_NOT_STACK, mechanic);

        mechanicMod = std::min(mechanicMod, std::min(stackingMod, nonStackingMod));
    }

    int32 dispelMod = 0;
    int32 dmgClassMod = 0;

    if (!IsPositiveSpell(spellProto))
    {
        dispelMod   = GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_DURATION_OF_EFFECTS_BY_DISPEL, spellProto->GetDispel());
        dmgClassMod = GetTotalAuraModifierByMiscValue(SPELL_AURA_MOD_DURATION_OF_MAGIC_EFFECTS, spellProto->GetDmgClass());
    }

    int32 durationMod = std::min(mechanicMod, std::min(dispelMod, dmgClassMod));

    if (durationMod != 0)
    {
        duration = int32(int64(duration) * (100 + durationMod) / 100);

        if (duration < 0)
        {
            duration = 0;
        }
    }

    if (caster == this)
    {
        switch(spellProto->GetSpellFamilyName())
        {
            case SPELLFAMILY_DRUID:
                // Thorns
                if (spellProto->SpellIconID == 53 && spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000000100)))
                {
                    // Glyph of Thorns
                    if (Aura* aur = GetAura(57862, EFFECT_INDEX_0))
                    {
                        duration += aur->GetModifier()->m_amount * MINUTE * IN_MILLISECONDS;
                    }
                }
                break;
            case SPELLFAMILY_PALADIN:
                // Blessing of Might
                if (spellProto->SpellIconID == 298 && spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000000002)))
                {
                    // Glyph of Blessing of Might
                    if (Aura* aur = GetAura(57958, EFFECT_INDEX_0))
                    {
                        duration += aur->GetModifier()->m_amount * MINUTE * IN_MILLISECONDS;
                    }
                }
                // Blessing of Wisdom
                else if (spellProto->SpellIconID == 306 && spellProto->IsFitToFamilyMask(UI64LIT(0x0000000000010000)))
                {
                    // Glyph of Blessing of Wisdom
                    if (Aura* aur = GetAura(57979, EFFECT_INDEX_0))
                    {
                        duration += aur->GetModifier()->m_amount * MINUTE * IN_MILLISECONDS;
                    }
                }
                // Inquisition
                else if (spellProto->Id == 84963)
                {
                    if (spell && GetPowerIndex(POWER_HOLY_POWER) != INVALID_POWER_INDEX)
                    {
                        duration *= spell->GetUsedHolyPower();
                    }
                }
                break;
            default:
                break;
        }
    }

    return duration;
}

DiminishingLevels Unit::GetDiminishing(DiminishingGroup group)
{
    for (Diminishing::iterator i = m_Diminishing.begin(); i != m_Diminishing.end(); ++i)
    {
        if (i->DRGroup != group)
        {
            continue;
        }

        if (!i->hitCount)
        {
            return DIMINISHING_LEVEL_1;
        }

        if (!i->hitTime)
        {
            return DIMINISHING_LEVEL_1;
        }

        // If last spell was casted more than 15 seconds ago - reset the count.
        if (i->stack == 0 && getMSTimeDiff(i->hitTime, GameTime::GetGameTimeMS()) > 15 * IN_MILLISECONDS)
        {
            i->hitCount = DIMINISHING_LEVEL_1;
            return DIMINISHING_LEVEL_1;
        }
        // or else increase the count.
        else
        {
            return DiminishingLevels(i->hitCount);
        }
    }
    return DIMINISHING_LEVEL_1;
}

void Unit::IncrDiminishing(DiminishingGroup group)
{
    // Checking for existing in the table
    for (Diminishing::iterator i = m_Diminishing.begin(); i != m_Diminishing.end(); ++i)
    {
        if (i->DRGroup != group)
        {
            continue;
        }
        if (i->hitCount < DIMINISHING_LEVEL_IMMUNE)
        {
            i->hitCount += 1;
        }
        return;
    }
    m_Diminishing.push_back(DiminishingReturn(group, GameTime::GetGameTimeMS(), DIMINISHING_LEVEL_2));
}

void Unit::ApplyDiminishingToDuration(DiminishingGroup group, int32& duration, Unit* caster, DiminishingLevels Level, int32 limitduration, bool isReflected)
{
    if (duration == -1 || group == DIMINISHING_NONE || (!isReflected && caster->IsFriendlyTo(this)))
    {
        return;
    }

    // Duration of crowd control abilities on pvp target is limited by 10 sec. (2.2.0)
    if (limitduration > 0 && duration > limitduration)
    {
        // test pet/charm masters instead pets/charmeds
        Unit const* targetOwner = GetCharmerOrOwner();
        Unit const* casterOwner = caster->GetCharmerOrOwner();

        Unit const* target = targetOwner ? targetOwner : this;
        Unit const* source = casterOwner ? casterOwner : caster;

        if (target->GetTypeId() == TYPEID_PLAYER && source->GetTypeId() == TYPEID_PLAYER)
        {
            duration = limitduration;
        }
    }

    float mod = 1.0f;

    // Some diminishings applies to mobs too (for example, Stun)
    if ((GetDiminishingReturnsGroupType(group) == DRTYPE_PLAYER && GetTypeId() == TYPEID_PLAYER) || GetDiminishingReturnsGroupType(group) == DRTYPE_ALL)
    {
        DiminishingLevels diminish = Level;
        switch (diminish)
        {
            case DIMINISHING_LEVEL_1: break;
            case DIMINISHING_LEVEL_2: mod = 0.5f; break;
            case DIMINISHING_LEVEL_3: mod = 0.25f; break;
            case DIMINISHING_LEVEL_IMMUNE: mod = 0.0f; break;
            default: break;
        }
    }

    duration = int32(duration * mod);
}

void Unit::ApplyDiminishingAura(DiminishingGroup group, bool apply)
{
    // Checking for existing in the table
    for (Diminishing::iterator i = m_Diminishing.begin(); i != m_Diminishing.end(); ++i)
    {
        if (i->DRGroup != group)
        {
            continue;
        }

        if (apply)
        {
            i->stack += 1;
        }
        else if (i->stack)
        {
            i->stack -= 1;
            // Remember time after last aura from group removed
            if (i->stack == 0)
            {
                i->hitTime = GameTime::GetGameTimeMS();
            }
        }
        break;
    }
}

bool Unit::IsVisibleForInState(Player const* u, WorldObject const* viewPoint, bool inVisibleList) const
{
    return IsVisibleForOrDetect(u, viewPoint, false, inVisibleList, false);
}

/// returns true if creature can't be seen by alive units
bool Unit::isInvisibleForAlive() const
{
    if (m_AuraFlags & UNIT_AURAFLAG_ALIVE_INVISIBLE)
    {
        return true;
    }
    // TODO: maybe spiritservices also have just an aura
    return IsSpiritService();
}

uint32 Unit::GetCreatureType() const
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        SpellShapeshiftFormEntry const* ssEntry = sSpellShapeshiftFormStore.LookupEntry(GetShapeshiftForm());
        if (ssEntry && ssEntry->creatureType > 0)
        {
            return ssEntry->creatureType;
        }
        else
        {
            return CREATURE_TYPE_HUMANOID;
        }
    }
    else
    {
        return ((Creature*)this)->GetCreatureInfo()->CreatureType;
    }
}

/*#######################################
########                         ########
########       STAT SYSTEM       ########
########                         ########
#######################################*/

bool Unit::HandleStatModifier(UnitMods unitMod, UnitModifierType modifierType, float amount, bool apply)
{
    if (unitMod >= UNIT_MOD_END || modifierType >= MODIFIER_TYPE_END)
    {
        sLog.outError("ERROR in HandleStatModifier(): nonexistent UnitMods or wrong UnitModifierType!");
        return false;
    }

    float val = 1.0f;

    switch (modifierType)
    {
        case BASE_VALUE:
        case TOTAL_VALUE:
            m_auraModifiersGroup[unitMod][modifierType] += apply ? amount : -amount;
            break;
        case BASE_PCT:
        case TOTAL_PCT:
            if (amount <= -100.0f)                          // small hack-fix for -100% modifiers
            {
                amount = -200.0f;
            }

            val = (100.0f + amount) / 100.0f;
            m_auraModifiersGroup[unitMod][modifierType] *= apply ? val : (1.0f / val);
            break;

        default:
            break;
    }

    if (!CanModifyStats())
    {
        return false;
    }

    switch (unitMod)
    {
        case UNIT_MOD_STAT_STRENGTH:
        case UNIT_MOD_STAT_AGILITY:
        case UNIT_MOD_STAT_STAMINA:
        case UNIT_MOD_STAT_INTELLECT:
        case UNIT_MOD_STAT_SPIRIT:         UpdateStats(GetStatByAuraGroup(unitMod));  break;

        case UNIT_MOD_ARMOR:               UpdateArmor();           break;
        case UNIT_MOD_HEALTH:              UpdateMaxHealth();       break;

        case UNIT_MOD_MANA:
        case UNIT_MOD_RAGE:
        case UNIT_MOD_FOCUS:
        case UNIT_MOD_ENERGY:
        case UNIT_MOD_RUNE:
        case UNIT_MOD_RUNIC_POWER:         UpdateMaxPower(GetPowerTypeByAuraGroup(unitMod)); break;

        case UNIT_MOD_RESISTANCE_HOLY:
        case UNIT_MOD_RESISTANCE_FIRE:
        case UNIT_MOD_RESISTANCE_NATURE:
        case UNIT_MOD_RESISTANCE_FROST:
        case UNIT_MOD_RESISTANCE_SHADOW:
        case UNIT_MOD_RESISTANCE_ARCANE:   UpdateResistances(GetSpellSchoolByAuraGroup(unitMod)); break;

        case UNIT_MOD_ATTACK_POWER:        UpdateAttackPowerAndDamage();         break;
        case UNIT_MOD_ATTACK_POWER_RANGED: UpdateAttackPowerAndDamage(true);     break;

        case UNIT_MOD_DAMAGE_MAINHAND:     UpdateDamagePhysical(BASE_ATTACK);    break;
        case UNIT_MOD_DAMAGE_OFFHAND:      UpdateDamagePhysical(OFF_ATTACK);     break;
        case UNIT_MOD_DAMAGE_RANGED:       UpdateDamagePhysical(RANGED_ATTACK);  break;

        default:
            break;
    }

    return true;
}

float Unit::GetModifierValue(UnitMods unitMod, UnitModifierType modifierType) const
{
    if (unitMod >= UNIT_MOD_END || modifierType >= MODIFIER_TYPE_END)
    {
        sLog.outError("attempt to access nonexistent modifier value from UnitMods!");
        return 0.0f;
    }

    if (modifierType == TOTAL_PCT && m_auraModifiersGroup[unitMod][modifierType] <= 0.0f)
    {
        return 0.0f;
    }

    return m_auraModifiersGroup[unitMod][modifierType];
}

float Unit::GetTotalStatValue(Stats stat) const
{
    UnitMods unitMod = UnitMods(UNIT_MOD_STAT_START + stat);

    if (m_auraModifiersGroup[unitMod][TOTAL_PCT] <= 0.0f)
    {
        return 0.0f;
    }

    // value = ((base_value * base_pct) + total_value) * total_pct
    float value  = m_auraModifiersGroup[unitMod][BASE_VALUE] + GetCreateStat(stat);
    value *= m_auraModifiersGroup[unitMod][BASE_PCT];
    value += m_auraModifiersGroup[unitMod][TOTAL_VALUE];
    value *= m_auraModifiersGroup[unitMod][TOTAL_PCT];

    return value;
}

float Unit::GetTotalAuraModValue(UnitMods unitMod) const
{
    if (unitMod >= UNIT_MOD_END)
    {
        sLog.outError("attempt to access nonexistent UnitMods in GetTotalAuraModValue()!");
        return 0.0f;
    }

    if (m_auraModifiersGroup[unitMod][TOTAL_PCT] <= 0.0f)
    {
        return 0.0f;
    }

    float value  = m_auraModifiersGroup[unitMod][BASE_VALUE];
    value *= m_auraModifiersGroup[unitMod][BASE_PCT];
    value += m_auraModifiersGroup[unitMod][TOTAL_VALUE];
    value *= m_auraModifiersGroup[unitMod][TOTAL_PCT];

    return value;
}

SpellSchools Unit::GetSpellSchoolByAuraGroup(UnitMods unitMod) const
{
    SpellSchools school = SPELL_SCHOOL_NORMAL;

    switch (unitMod)
    {
        case UNIT_MOD_RESISTANCE_HOLY:     school = SPELL_SCHOOL_HOLY;          break;
        case UNIT_MOD_RESISTANCE_FIRE:     school = SPELL_SCHOOL_FIRE;          break;
        case UNIT_MOD_RESISTANCE_NATURE:   school = SPELL_SCHOOL_NATURE;        break;
        case UNIT_MOD_RESISTANCE_FROST:    school = SPELL_SCHOOL_FROST;         break;
        case UNIT_MOD_RESISTANCE_SHADOW:   school = SPELL_SCHOOL_SHADOW;        break;
        case UNIT_MOD_RESISTANCE_ARCANE:   school = SPELL_SCHOOL_ARCANE;        break;

        default:
            break;
    }

    return school;
}

Stats Unit::GetStatByAuraGroup(UnitMods unitMod) const
{
    Stats stat = STAT_STRENGTH;

    switch (unitMod)
    {
        case UNIT_MOD_STAT_STRENGTH:    stat = STAT_STRENGTH;      break;
        case UNIT_MOD_STAT_AGILITY:     stat = STAT_AGILITY;       break;
        case UNIT_MOD_STAT_STAMINA:     stat = STAT_STAMINA;       break;
        case UNIT_MOD_STAT_INTELLECT:   stat = STAT_INTELLECT;     break;
        case UNIT_MOD_STAT_SPIRIT:      stat = STAT_SPIRIT;        break;

        default:
            break;
    }

    return stat;
}

Powers Unit::GetPowerTypeByAuraGroup(UnitMods unitMod) const
{
    switch (unitMod)
    {
        case UNIT_MOD_MANA:       return POWER_MANA;
        case UNIT_MOD_RAGE:       return POWER_RAGE;
        case UNIT_MOD_FOCUS:      return POWER_FOCUS;
        case UNIT_MOD_ENERGY:     return POWER_ENERGY;
        case UNIT_MOD_RUNE:       return POWER_RUNE;
        case UNIT_MOD_RUNIC_POWER: return POWER_RUNIC_POWER;
        default:                  return POWER_MANA;
    }
}

float Unit::GetTotalAttackPowerValue(WeaponAttackType attType) const
{
    if (attType == RANGED_ATTACK)
    {
        int32 ap = GetInt32Value(UNIT_FIELD_RANGED_ATTACK_POWER) + GetInt32Value(UNIT_FIELD_RANGED_ATTACK_POWER_MOD_POS);
        if (ap < 0)
        {
            return 0.0f;
        }
        return ap * (1.0f + GetFloatValue(UNIT_FIELD_RANGED_ATTACK_POWER_MULTIPLIER));
    }
    else
    {
        int32 ap = GetInt32Value(UNIT_FIELD_ATTACK_POWER) + GetInt32Value(UNIT_FIELD_ATTACK_POWER_MOD_POS);
        if (ap < 0)
        {
            return 0.0f;
        }
        return ap * (1.0f + GetFloatValue(UNIT_FIELD_ATTACK_POWER_MULTIPLIER));
    }
}

float Unit::GetWeaponDamageRange(WeaponAttackType attType , WeaponDamageRange type) const
{
    if (attType == OFF_ATTACK && !haveOffhandWeapon())
    {
        return 0.0f;
    }

    return m_weaponDamage[attType][type];
}

void Unit::SetLevel(uint32 lvl)
{
    SetUInt32Value(UNIT_FIELD_LEVEL, lvl);

    // group update
    if ((GetTypeId() == TYPEID_PLAYER) && ((Player*)this)->GetGroup())
    {
        ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_LEVEL);
    }
}

void Unit::SetHealth(uint32 val)
{
    uint32 maxHealth = GetMaxHealth();
    if (maxHealth < val)
    {
        val = maxHealth;
    }

    SetUInt32Value(UNIT_FIELD_HEALTH, val);

    // group update
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)this)->GetGroup())
        {
            ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_CUR_HP);
        }
    }
    else if (((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_CUR_HP);
            }
        }
    }
}

void Unit::SetMaxHealth(uint32 val)
{
    uint32 health = GetHealth();
    SetUInt32Value(UNIT_FIELD_MAXHEALTH, val);

    // group update
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)this)->GetGroup())
        {
            ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_MAX_HP);
        }
    }
    else if (((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_MAX_HP);
            }
        }
    }

    if (val < health)
    {
        SetHealth(val);
    }
}

void Unit::SetHealthPercent(float percent)
{
    uint32 newHealth = GetMaxHealth() * percent / 100.0f;
    SetHealth(newHealth);
}

uint32 Unit::GetPowerIndexByClass(Powers powerId, uint32 classId)
{
    MANGOS_ASSERT(powerId < MAX_POWERS);
    MANGOS_ASSERT(classId < MAX_CLASSES);

    return sChrClassXPowerTypesStore[classId][uint32(powerId)];
};

Powers Unit::GetPowerTypeByIndex(uint32 index, uint32 classId)
{
    MANGOS_ASSERT(index < MAX_STORED_POWERS);
    MANGOS_ASSERT(classId < MAX_CLASSES);

    return Powers(sChrClassXPowerIndexStore[classId][index]);
}

uint32 Unit::GetPower(Powers power) const
{
    if (power == POWER_HEALTH)
    {
        return GetHealth();
    }

    uint32 powerIndex = GetPowerIndex(power);
    if (powerIndex == INVALID_POWER_INDEX)
    {
        return 0;
    }

    return GetUInt32Value(UNIT_FIELD_POWER1 + powerIndex);
}

uint32 Unit::GetPowerByIndex(uint32 index) const
{
    MANGOS_ASSERT(index < MAX_STORED_POWERS);

    return GetUInt32Value(UNIT_FIELD_POWER1 + index);
}

uint32 Unit::GetMaxPower(Powers power) const
{
    if (power == POWER_HEALTH)
    {
        return GetMaxHealth();
    }

    uint32 powerIndex = GetPowerIndex(power);
    if (powerIndex == INVALID_POWER_INDEX)
    {
        return 0;
    }

    return GetUInt32Value(UNIT_FIELD_MAXPOWER1 + powerIndex);
}

uint32 Unit::GetMaxPowerByIndex(uint32 index) const
{
    MANGOS_ASSERT(index < MAX_STORED_POWERS);

    return GetUInt32Value(UNIT_FIELD_MAXPOWER1 + index);
}

void Unit::SetPower(Powers power, int32 val)
{
    if (power == POWER_HEALTH)
    {
        return SetHealth(val >= 0 ? val : 0);
    }

    uint32 powerIndex = GetPowerIndex(power);
    if (powerIndex == INVALID_POWER_INDEX)
    {
        return;
    }

    return SetPowerByIndex(powerIndex, val);
}

void Unit::SetPowerByIndex(uint32 powerIndex, int32 val)
{
    int32 maxPower = GetMaxPowerByIndex(powerIndex);
    if (val > maxPower)
    {
        val = maxPower;
    }

    if (val < 0)
    {
        val = 0;
    }

    if (GetPowerByIndex(powerIndex) == val)
    {
        return;
    }

    MANGOS_ASSERT(powerIndex < MAX_STORED_POWERS);
    SetInt32Value(UNIT_FIELD_POWER1 + powerIndex, val);

    Powers power = getPowerType(powerIndex);
    MANGOS_ASSERT(power != INVALID_POWER);

    if (IsInWorld())
    {
        WorldPacket data(SMSG_POWER_UPDATE);
        data << GetPackGUID();
        data << uint32(1); // iteration count
        // for (int i = 0; i < count; ++i)
        data << uint8(power);
        data << uint32(val);
        SendMessageToSet(&data, true);
    }

    // group update
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)this)->GetGroup())
        {
            ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_CUR_POWER);
        }
    }
    else if (((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_CUR_POWER);
            }
        }
    }

    // modifying holy power resets it's fade timer
    if (power == POWER_HOLY_POWER)
    {
        ResetHolyPowerRegenTimer();
    }
}

void Unit::SetMaxPower(Powers power, int32 val)
{
    if (power == POWER_HEALTH)
    {
        return SetMaxHealth(val >= 0 ? val : 0);
    }

    uint32 powerIndex = GetPowerIndex(power);
    if (powerIndex == INVALID_POWER_INDEX)
    {
        return;
    }

    return SetMaxPowerByIndex(powerIndex, val);
}

void Unit::SetMaxPowerByIndex(uint32 powerIndex, int32 val)
{
    int32 cur_power = GetPowerByIndex(powerIndex);

    SetStatInt32Value(UNIT_FIELD_MAXPOWER1 + powerIndex, val);

    // group update
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)this)->GetGroup())
        {
            ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_MAX_POWER);
        }
    }
    else if (((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_MAX_POWER);
            }
        }
    }

    if (val < cur_power)
    {
        SetPowerByIndex(powerIndex, val);
    }
}

void Unit::ApplyPowerMod(Powers power, uint32 val, bool apply)
{
    ApplyModUInt32Value(UNIT_FIELD_POWER1 + power, val, apply);

    // group update
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)this)->GetGroup())
        {
            ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_CUR_POWER);
        }
    }
    else if (((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_CUR_POWER);
            }
        }
    }
}

void Unit::ApplyMaxPowerMod(Powers power, uint32 val, bool apply)
{
    ApplyModUInt32Value(UNIT_FIELD_MAXPOWER1 + power, val, apply);

    // group update
    if (GetTypeId() == TYPEID_PLAYER)
    {
        if (((Player*)this)->GetGroup())
        {
            ((Player*)this)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_MAX_POWER);
        }
    }
    else if (((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_MAX_POWER);
            }
        }
    }
}

void Unit::ApplyAuraProcTriggerDamage(Aura* aura, bool apply)
{
    AuraList& tAuraProcTriggerDamage = m_modAuras[SPELL_AURA_PROC_TRIGGER_DAMAGE];
    if (apply)
    {
        tAuraProcTriggerDamage.push_back(aura);
    }
    else
    {
        tAuraProcTriggerDamage.remove(aura);
    }
}

uint32 Unit::GetCreatePowers(Powers power) const
{
    switch (power)
    {
        case POWER_HEALTH:      return 0;                   // is it really should be here?
        case POWER_MANA:        return GetCreateMana();
        case POWER_RAGE:        return POWER_RAGE_DEFAULT;
        case POWER_FOCUS:
            if(GetTypeId() == TYPEID_PLAYER && ((Player const*)this)->getClass() == CLASS_HUNTER)
            {
                return POWER_FOCUS_DEFAULT;
            }
            return (GetTypeId() == TYPEID_PLAYER || !((Creature const*)this)->IsPet() || ((Pet const*)this)->getPetType() != HUNTER_PET ? 0 : POWER_FOCUS_DEFAULT);
        case POWER_ENERGY:      return POWER_ENERGY_DEFAULT;
        case POWER_RUNE:        return GetTypeId() == TYPEID_PLAYER && ((Player const*)this)->getClass() == CLASS_DEATH_KNIGHT ? POWER_RUNE_DEFAULT : 0;
        case POWER_RUNIC_POWER: return GetTypeId() == TYPEID_PLAYER && ((Player const*)this)->getClass() == CLASS_DEATH_KNIGHT ? POWER_RUNIC_POWER_DEFAULT : 0;
        case POWER_SOUL_SHARDS: return 0;
        case POWER_ECLIPSE:     return 0;                   // TODO: fix me
        case POWER_HOLY_POWER:  return 0;
    }

    return 0;
}

uint32 Unit::GetCreateMaxPowers(Powers power) const
{
    switch (power)
    {
        case POWER_HOLY_POWER:
            return GetTypeId() == TYPEID_PLAYER && ((Player const*)this)->getClass() == CLASS_PALADIN ? POWER_HOLY_POWER_DEFAULT : 0;
        case POWER_SOUL_SHARDS:
            return GetTypeId() == TYPEID_PLAYER && ((Player const*)this)->getClass() == CLASS_WARLOCK ? POWER_SOUL_SHARDS_DEFAULT : 0;
        default:
            return GetCreatePowers(power);
    }

    return 0;
}

void Unit::AddToWorld()
{
    Object::AddToWorld();
    ScheduleAINotify(0);
}

void Unit::RemoveFromWorld()
{
    // cleanup
    if (IsInWorld())
    {
        Uncharm();
        RemoveNotOwnTrackedTargetAuras();
        RemoveGuardians();
        RemoveMiniPet();
        UnsummonAllTotems();
        RemoveAllGameObjects();
        RemoveAllDynObjects();
        CleanupDeletedAuras();
        GetViewPoint().Event_RemovedFromWorld();
    }

    Object::RemoveFromWorld();
}

void Unit::CleanupsBeforeDelete()
{
    if (m_uint32Values)                                     // only for fully created object
    {
        InterruptNonMeleeSpells(true);
        m_Events.KillAllEvents(false);                      // non-delatable (currently casted spells) will not deleted now but it will deleted at call in Map::RemoveAllObjectsInRemoveList
        CombatStop();
        ClearComboPointHolders();
        DeleteThreatList();
        if (GetTypeId() == TYPEID_PLAYER)
        {
            GetHostileRefManager().setOnlineOfflineState(false);
        }
        else
        {
            GetHostileRefManager().deleteReferences();
        }
        RemoveAllAuras(AURA_REMOVE_BY_DELETE);
    }
    WorldObject::CleanupsBeforeDelete();
}

CharmInfo* Unit::InitCharmInfo(Unit* charm)
{
    if (!m_charmInfo)
    {
        m_charmInfo = new CharmInfo(charm);
    }
    return m_charmInfo;
}

CharmInfo::CharmInfo(Unit* unit)
    : m_unit(unit), m_CommandState(COMMAND_FOLLOW), m_reactState(REACT_PASSIVE), m_petnumber(0)
{
    for (int i = 0; i < CREATURE_MAX_SPELLS; ++i)
    {
        m_charmspells[i].SetActionAndType(0, ACT_DISABLED);
    }
}

void CharmInfo::InitPetActionBar()
{
    // the first 3 SpellOrActions are attack, follow and stay
    for (uint32 i = 0; i < ACTION_BAR_INDEX_PET_SPELL_START - ACTION_BAR_INDEX_START; ++i)
    {
        SetActionBar(ACTION_BAR_INDEX_START + i, COMMAND_ATTACK - i, ACT_COMMAND);
    }

    // middle 4 SpellOrActions are spells/special attacks/abilities
    for (uint32 i = 0; i < ACTION_BAR_INDEX_PET_SPELL_END - ACTION_BAR_INDEX_PET_SPELL_START; ++i)
    {
        SetActionBar(ACTION_BAR_INDEX_PET_SPELL_START + i, 0, ACT_DISABLED);
    }

    // last 3 SpellOrActions are reactions
    for (uint32 i = 0; i < ACTION_BAR_INDEX_END - ACTION_BAR_INDEX_PET_SPELL_END; ++i)
    {
        SetActionBar(ACTION_BAR_INDEX_PET_SPELL_END + i, COMMAND_ATTACK - i, ACT_REACTION);
    }
}

void CharmInfo::InitEmptyActionBar()
{
    for (uint32 x = ACTION_BAR_INDEX_START; x < ACTION_BAR_INDEX_END; ++x)
    {
        SetActionBar(x, 0, ACT_PASSIVE);
    }
}

void CharmInfo::InitVehicleCreateSpells()
{
    InitEmptyActionBar();

    if (m_unit->GetTypeId() == TYPEID_PLAYER)               // player vehicles don't have spells, keep the action bar empty
    {
        return;
    }

    for (uint32 x = 0; x < CREATURE_MAX_SPELLS; ++x)
    {
        if (IsPassiveSpell(((Creature*)m_unit)->m_spells[x]))
        {
            m_unit->CastSpell(m_unit, ((Creature*)m_unit)->m_spells[x], true);
        }
        else
        {
            AddSpellToActionBar(((Creature*)m_unit)->m_spells[x], ActiveStates(0x8 + x));
        }
    }
}

void CharmInfo::InitPossessCreateSpells()
{
    InitEmptyActionBar();                                   // charm action bar

    if (m_unit->GetTypeId() == TYPEID_PLAYER)               // possessed players don't have spells, keep the action bar empty
    {
        return;
    }

    SetActionBar(ACTION_BAR_INDEX_START, COMMAND_ATTACK, ACT_COMMAND);

    for (uint32 x = 0; x < CREATURE_MAX_SPELLS; ++x)
    {
        if (IsPassiveSpell(((Creature*)m_unit)->m_spells[x]))
        {
            m_unit->CastSpell(m_unit, ((Creature*)m_unit)->m_spells[x], true);
        }
        else
        {
            AddSpellToActionBar(((Creature*)m_unit)->m_spells[x], ACT_PASSIVE);
        }
    }
}

void CharmInfo::InitCharmCreateSpells()
{
    if (m_unit->GetTypeId() == TYPEID_PLAYER)               // charmed players don't have spells
    {
        InitEmptyActionBar();
        return;
    }

    InitPetActionBar();

    for (uint32 x = 0; x < CREATURE_MAX_SPELLS; ++x)
    {
        uint32 spellId = ((Creature*)m_unit)->m_spells[x];

        if (!spellId)
        {
            m_charmspells[x].SetActionAndType(spellId, ACT_DISABLED);
            continue;
        }

        if (IsPassiveSpell(spellId))
        {
            m_unit->CastSpell(m_unit, spellId, true);
            m_charmspells[x].SetActionAndType(spellId, ACT_PASSIVE);
        }
        else
        {
            m_charmspells[x].SetActionAndType(spellId, ACT_DISABLED);

            ActiveStates newstate;
            bool onlyselfcast = true;
            SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId);

            for (uint32 i = 0; i < 3 && onlyselfcast; ++i)  // nonexistent spell will not make any problems as onlyselfcast would be false -> break right away
            {
                SpellEffectEntry const* spellEffect = spellInfo->GetSpellEffect(SpellEffectIndex(i));
                if(!spellEffect)
                {
                    continue;
                }
                if(spellEffect->EffectImplicitTargetA != TARGET_SELF && spellEffect->EffectImplicitTargetA != 0)
                {
                    onlyselfcast = false;
                }
            }

            if (onlyselfcast || !IsPositiveSpell(spellId))  // only self cast and spells versus enemies are autocastable
            {
                newstate = ACT_DISABLED;
            }
            else
            {
                newstate = ACT_PASSIVE;
            }

            AddSpellToActionBar(spellId, newstate);
        }
    }
}

bool CharmInfo::AddSpellToActionBar(uint32 spell_id, ActiveStates newstate)
{
    uint32 first_id = sSpellMgr.GetFirstSpellInChain(spell_id);

    // new spell rank can be already listed
    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
    {
        if (uint32 action = PetActionBar[i].GetAction())
        {
            if (PetActionBar[i].IsActionBarForSpell() && sSpellMgr.GetFirstSpellInChain(action) == first_id)
            {
                PetActionBar[i].SetAction(spell_id);
                return true;
            }
        }
    }

    // or use empty slot in other case
    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
    {
        if (!PetActionBar[i].GetAction() && PetActionBar[i].IsActionBarForSpell())
        {
            SetActionBar(i, spell_id, newstate == ACT_DECIDE ? ACT_DISABLED : newstate);
            return true;
        }
    }
    return false;
}

bool CharmInfo::RemoveSpellFromActionBar(uint32 spell_id)
{
    uint32 first_id = sSpellMgr.GetFirstSpellInChain(spell_id);

    for (uint8 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
    {
        if (uint32 action = PetActionBar[i].GetAction())
        {
            if (PetActionBar[i].IsActionBarForSpell() && sSpellMgr.GetFirstSpellInChain(action) == first_id)
            {
                SetActionBar(i, 0, ACT_DISABLED);
                return true;
            }
        }
    }

    return false;
}

void CharmInfo::ToggleCreatureAutocast(uint32 spellid, bool apply)
{
    if (IsPassiveSpell(spellid))
    {
        return;
    }

    for (uint32 x = 0; x < CREATURE_MAX_SPELLS; ++x)
        if (spellid == m_charmspells[x].GetAction())
        {
            m_charmspells[x].SetType(apply ? ACT_ENABLED : ACT_DISABLED);
        }
}

void CharmInfo::SetPetNumber(uint32 petnumber, bool statwindow)
{
    m_petnumber = petnumber;
    if (statwindow)
    {
        m_unit->SetUInt32Value(UNIT_FIELD_PETNUMBER, m_petnumber);
    }
    else
    {
        m_unit->SetUInt32Value(UNIT_FIELD_PETNUMBER, 0);
    }
}

void CharmInfo::LoadPetActionBar(const std::string& data)
{
    InitPetActionBar();

    Tokens tokens = StrSplit(data, " ");

    if (tokens.size() != (ACTION_BAR_INDEX_END - ACTION_BAR_INDEX_START) * 2)
    {
        return;                                              // non critical, will reset to default
    }

    int index;
    Tokens::iterator iter;
    for (iter = tokens.begin(), index = ACTION_BAR_INDEX_START; index < ACTION_BAR_INDEX_END; ++iter, ++index)
    {
        // use unsigned cast to avoid sign negative format use at long-> ActiveStates (int) conversion
        uint8 type  = (uint8)std::stoul((*iter).c_str());
        ++iter;
        uint32 action = std::stoul((*iter).c_str());

        PetActionBar[index].SetActionAndType(action, ActiveStates(type));

        // check correctness
        if (PetActionBar[index].IsActionBarForSpell() && !sSpellStore.LookupEntry(PetActionBar[index].GetAction()))
        {
            SetActionBar(index, 0, ACT_DISABLED);
        }
    }
}

void CharmInfo::BuildActionBar(WorldPacket* data)
{
    for (uint32 i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
    {
        *data << uint32(PetActionBar[i].packedData);
    }
}

void CharmInfo::SetSpellAutocast(uint32 spell_id, bool state)
{
    for (int i = 0; i < MAX_UNIT_ACTION_BAR_INDEX; ++i)
    {
        if (spell_id == PetActionBar[i].GetAction() && PetActionBar[i].IsActionBarForSpell())
        {
            PetActionBar[i].SetType(state ? ACT_ENABLED : ACT_DISABLED);
            break;
        }
    }
}

bool Unit::IsFrozen() const
{
    return HasAuraState(AURA_STATE_FROZEN);
}

struct ProcTriggeredData
{
    ProcTriggeredData(SpellProcEventEntry const* _spellProcEvent, SpellAuraHolder* _triggeredByHolder)
        : spellProcEvent(_spellProcEvent), triggeredByHolder(_triggeredByHolder)
    {}
    SpellProcEventEntry const* spellProcEvent;
    SpellAuraHolder* triggeredByHolder;
};

typedef std::list< ProcTriggeredData > ProcTriggeredList;
typedef std::list< uint32> RemoveSpellList;

uint32 createProcExtendMask(SpellNonMeleeDamage* damageInfo, SpellMissInfo missCondition)
{
    uint32 procEx = PROC_EX_NONE;
    // Check victim state
    if (missCondition != SPELL_MISS_NONE)
        switch (missCondition)
        {
            case SPELL_MISS_MISS:    procEx |= PROC_EX_MISS;   break;
            case SPELL_MISS_RESIST:  procEx |= PROC_EX_RESIST; break;
            case SPELL_MISS_DODGE:   procEx |= PROC_EX_DODGE;  break;
            case SPELL_MISS_PARRY:   procEx |= PROC_EX_PARRY;  break;
            case SPELL_MISS_BLOCK:   procEx |= PROC_EX_BLOCK;  break;
            case SPELL_MISS_EVADE:   procEx |= PROC_EX_EVADE;  break;
            case SPELL_MISS_IMMUNE:  procEx |= PROC_EX_IMMUNE; break;
            case SPELL_MISS_IMMUNE2: procEx |= PROC_EX_IMMUNE; break;
            case SPELL_MISS_DEFLECT: procEx |= PROC_EX_DEFLECT; break;
            case SPELL_MISS_ABSORB:  procEx |= PROC_EX_ABSORB; break;
            case SPELL_MISS_REFLECT: procEx |= PROC_EX_REFLECT; break;
            default:
                break;
        }
    else
    {
        // On block
        if (damageInfo->blocked)
        {
            procEx |= PROC_EX_BLOCK;
        }
        // On absorb
        if (damageInfo->absorb)
        {
            procEx |= PROC_EX_ABSORB;
        }
        // On crit
        if (damageInfo->HitInfo & SPELL_HIT_TYPE_CRIT)
        {
            procEx |= PROC_EX_CRITICAL_HIT;
        }
        else
        {
            procEx |= PROC_EX_NORMAL_HIT;
        }
    }
    return procEx;
}

void Unit::ProcDamageAndSpellFor(bool isVictim, Unit* pTarget, uint32 procFlag, uint32 procExtra, WeaponAttackType attType, SpellEntry const* procSpell, uint32 damage)
{
    // For melee/ranged based attack need update skills and set some Aura states
    if (!(procExtra & PROC_EX_CAST_END) && procFlag & MELEE_BASED_TRIGGER_MASK)
    {
        // If exist crit/parry/dodge/block need update aura state (for victim and attacker)
        if (procExtra & (PROC_EX_CRITICAL_HIT | PROC_EX_PARRY | PROC_EX_DODGE | PROC_EX_BLOCK))
        {
            // for victim
            if (isVictim)
            {
                // if victim and dodge attack
                if (procExtra & PROC_EX_DODGE)
                {
                    // Update AURA_STATE on dodge
                    if (getClass() != CLASS_ROGUE) // skip Rogue Riposte
                    {
                        ModifyAuraState(AURA_STATE_DEFENSE, true);
                        StartReactiveTimer(REACTIVE_DEFENSE);
                    }
                }
                // if victim and parry attack
                if (procExtra & PROC_EX_PARRY)
                {
                    // For Hunters only Counterattack (skip Mongoose bite)
                    if (getClass() == CLASS_HUNTER)
                    {
                        ModifyAuraState(AURA_STATE_HUNTER_PARRY, true);
                        StartReactiveTimer(REACTIVE_HUNTER_PARRY);
                    }
                    else
                    {
                        ModifyAuraState(AURA_STATE_DEFENSE, true);
                        StartReactiveTimer(REACTIVE_DEFENSE);
                    }
                }
                // if and victim block attack
                if (procExtra & PROC_EX_BLOCK)
                {
                    ModifyAuraState(AURA_STATE_DEFENSE, true);
                    StartReactiveTimer(REACTIVE_DEFENSE);
                }
            }
            else // For attacker
            {
                // Overpower on victim dodge
                if (procExtra & PROC_EX_DODGE && GetTypeId() == TYPEID_PLAYER && getClass() == CLASS_WARRIOR)
                {
                    ((Player*)this)->AddComboPoints(pTarget, 1);
                    StartReactiveTimer(REACTIVE_OVERPOWER);
                }
            }
        }
    }

    RemoveSpellList removedSpells;
    ProcTriggeredList procTriggered;
    // Fill procTriggered list
    for (SpellAuraHolderMap::const_iterator itr = GetSpellAuraHolderMap().begin(); itr != GetSpellAuraHolderMap().end(); ++itr)
    {
        // skip deleted auras (possible at recursive triggered call
        if (itr->second->GetState() != SPELLAURAHOLDER_STATE_READY || itr->second->IsDeleted())
        {
            continue;
        }

        SpellProcEventEntry const* spellProcEvent = NULL;
        // check if that aura is triggered by proc event (then it will be managed by proc handler)
        if (!IsTriggeredAtSpellProcEvent(pTarget, itr->second, procSpell, procFlag, procExtra, attType, isVictim, spellProcEvent))
        {
            // spell seem not managed by proc system, although some case need to be handled

            // only process damage case on victim
            if (!isVictim || !(procFlag & PROC_FLAG_TAKEN_ANY_DAMAGE))
            {
                continue;
            }

            const SpellEntry* se = itr->second->GetSpellProto();

            // check if the aura is interruptible by damage and if its not just added by this spell (spell who is responsible for this damage is procSpell)
            if (se->GetAuraInterruptFlags() & AURA_INTERRUPT_FLAG_DAMAGE && (!procSpell || procSpell->Id != se->Id))
            {
                DEBUG_FILTER_LOG(LOG_FILTER_SPELL_CAST, "ProcDamageAndSpell: Added Spell %u to 'remove aura due to spell' list! Reason: Damage received.", se->Id);
                removedSpells.push_back(se->Id);
            }
            continue;
        }

        itr->second->SetInUse(true);                        // prevent holder deletion
        procTriggered.push_back(ProcTriggeredData(spellProcEvent, itr->second));
    }

    if (!procTriggered.empty())
    {
        // Handle effects proceed this time
        for (ProcTriggeredList::const_iterator itr = procTriggered.begin(); itr != procTriggered.end(); ++itr)
        {
            // Some auras can be deleted in function called in this loop (except first, ofc)
            SpellAuraHolder* triggeredByHolder = itr->triggeredByHolder;
            if (triggeredByHolder->IsDeleted())
            {
                continue;
            }

            SpellProcEventEntry const* spellProcEvent = itr->spellProcEvent;
            bool useCharges = triggeredByHolder->GetAuraCharges() > 0;
            bool procSuccess = true;
            bool anyAuraProc = false;

            // For players set spell cooldown if need
            uint32 cooldown = 0;
            if (GetTypeId() == TYPEID_PLAYER && spellProcEvent && spellProcEvent->cooldown)
            {
                cooldown = spellProcEvent->cooldown;
            }

            for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
            {
                Aura* triggeredByAura = triggeredByHolder->GetAuraByEffectIndex(SpellEffectIndex(i));
                if (!triggeredByAura)
                {
                    continue;
                }

                SpellEffectEntry const* spellEffect = triggeredByHolder->GetSpellProto()->GetSpellEffect(SpellEffectIndex(i));
                if (!spellEffect)
                {
                    continue;
                }

                if (procSpell)
                {
                    if (spellProcEvent)
                    {
                        if (spellProcEvent->spellFamilyMask[i])
                        {
                            if (!procSpell->IsFitToFamilyMask(spellProcEvent->spellFamilyMask[i]))
                            {
                                continue;
                            }

                            // don't allow proc from cast end for non modifier spells
                            // unless they have proc ex defined for that
                            if (IsCastEndProcModifierAura(triggeredByHolder->GetSpellProto(), SpellEffectIndex(i), procSpell))
                            {
                                if (useCharges && procExtra != PROC_EX_CAST_END && spellProcEvent->procEx == PROC_EX_NONE)
                                {
                                    continue;
                                }
                            }
                            else if (spellProcEvent->procEx == PROC_EX_NONE && procExtra == PROC_EX_CAST_END)
                            {
                                continue;
                            }
                        }
                        // don't check dbc FamilyFlags if schoolMask exists
                        else if (!triggeredByAura->CanProcFrom(procSpell, procFlag, spellProcEvent->procEx, procExtra, damage != 0, !spellProcEvent->schoolMask))
                        {
                            continue;
                        }
                    }
                    else if (!triggeredByAura->CanProcFrom(procSpell, procFlag, PROC_EX_NONE, procExtra, damage != 0, true))
                    {
                        continue;
                    }
                }

                SpellAuraProcResult procResult = (*this.*AuraProcHandler[spellEffect->EffectApplyAuraName])(pTarget, damage, triggeredByAura, procSpell, procFlag, procExtra, cooldown);
                switch (procResult)
                {
                    case SPELL_AURA_PROC_CANT_TRIGGER:
                        continue;
                    case SPELL_AURA_PROC_FAILED:
                        procSuccess = false;
                        break;
                    case SPELL_AURA_PROC_OK:
                        break;
                }

                anyAuraProc = true;
            }

            // Remove charge (aura can be removed by triggers)
            if (useCharges && procSuccess && anyAuraProc && !triggeredByHolder->IsDeleted())
            {
                // If last charge dropped add spell to remove list
                if (triggeredByHolder->DropAuraCharge())
                {
                    removedSpells.push_back(triggeredByHolder->GetId());
                }
            }

            triggeredByHolder->SetInUse(false);
        }
    }

    if (!removedSpells.empty())
    {
        // Sort spells and remove duplicates
        removedSpells.sort();
        removedSpells.unique();
        // Remove auras from removedAuras
        for (RemoveSpellList::const_iterator i = removedSpells.begin(); i != removedSpells.end(); ++i)
        {
            RemoveAurasDueToSpell(*i);
        }
    }
}

SpellSchoolMask Unit::GetMeleeDamageSchoolMask() const
{
    return SPELL_SCHOOL_MASK_NORMAL;
}

Player* Unit::GetSpellModOwner() const
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        return (Player*)this;
    }
    if (((Creature*)this)->IsPet() || ((Creature*)this)->IsTotem())
    {
        Unit* owner = GetOwner();
        if (owner && owner->GetTypeId() == TYPEID_PLAYER)
        {
            return (Player*)owner;
        }
    }
    return NULL;
}

///----------Pet responses methods-----------------
void Unit::SendPetActionFeedback(uint8 msg)
{
    Unit* owner = GetOwner();
    if (!owner || owner->GetTypeId() != TYPEID_PLAYER)
    {
        return;
    }

    WorldPacket data(SMSG_PET_ACTION_FEEDBACK, 1);
    data << uint8(msg);
    ((Player*)owner)->GetSession()->SendPacket(&data);
}

void Unit::SendPetTalk(uint32 pettalk)
{
    Unit* owner = GetOwner();
    if (!owner || owner->GetTypeId() != TYPEID_PLAYER)
    {
        return;
    }

    WorldPacket data(SMSG_PET_ACTION_SOUND, 8 + 4);
    data << GetObjectGuid();
    data << uint32(pettalk);
    ((Player*)owner)->GetSession()->SendPacket(&data);
}

void Unit::SendPetAIReaction()
{
    Unit* owner = GetOwner();
    if (!owner || owner->GetTypeId() != TYPEID_PLAYER)
    {
        return;
    }

    WorldPacket data(SMSG_AI_REACTION, 8 + 4);
    data << GetObjectGuid();
    data << uint32(AI_REACTION_HOSTILE);
    ((Player*)owner)->GetSession()->SendPacket(&data);
}

///----------End of Pet responses methods----------

void Unit::StopMoving(bool forceSendStop /*=false*/)
{
    if (IsStopped() && !forceSendStop)
    {
        return;
    }

    clearUnitState(UNIT_STAT_MOVING);

    // not need send any packets if not in world
    if (!IsInWorld())
    {
        return;
    }

    Movement::MoveSplineInit init(*this);
    init.Stop();
}

void Unit::InterruptMoving(bool forceSendStop /*=false*/)
{
    bool isMoving = false;

    if (!movespline->Finalized())
    {
        Movement::Location loc = movespline->ComputePosition();
        movespline->_Interrupt();
        Relocate(loc.x, loc.y, loc.z, loc.orientation);
        isMoving = true;
    }

    StopMoving(forceSendStop || isMoving);
}

void Unit::SetFeared(bool apply, ObjectGuid casterGuid, uint32 spellID, uint32 time)
{
    if (apply)
    {
        if (HasAuraType(SPELL_AURA_PREVENTS_FLEEING))
        {
            return;
        }

        SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING);

        GetMotionMaster()->MovementExpired(false);
        CastStop(GetObjectGuid() == casterGuid ? spellID : 0);

        Unit* caster = IsInWorld() ?  GetMap()->GetUnit(casterGuid) : NULL;

        GetMotionMaster()->MoveFleeing(caster, time);       // caster==NULL processed in MoveFleeing
    }
    else
    {
        RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_FLEEING);

        GetMotionMaster()->MovementExpired(false);

        if (GetTypeId() != TYPEID_PLAYER && IsAlive())
        {
            Creature* c = ((Creature*)this);
            // restore appropriate movement generator
            if (getVictim())
            {
                GetMotionMaster()->MoveChase(getVictim());
            }
            else
            {
                GetMotionMaster()->Initialize();
            }

            // attack caster if can
            if (Unit* caster = IsInWorld() ? GetMap()->GetUnit(casterGuid) : NULL)
            {
                c->AttackedBy(caster);
            }
        }
    }

    if (GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->SetClientControl(this, !apply);
    }
}

void Unit::SetConfused(bool apply, ObjectGuid casterGuid, uint32 spellID)
{
    if (apply)
    {
         SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_CONFUSED);

         CastStop(GetObjectGuid() == casterGuid ? spellID : 0);

         if (GetTypeId() == TYPEID_UNIT)
         {
             SetTargetGuid(ObjectGuid());
             GetMotionMaster()->MoveConfused();
         }
    }
    else
    {
         RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_CONFUSED);

         GetMotionMaster()->MovementExpired(false);

         if (GetTypeId() != TYPEID_PLAYER && IsAlive())
         {
         // restore appropriate movement generator
                if (getVictim())
                {
                       GetMotionMaster()->MoveChase(getVictim());
                 }
                 else
                 {
                     GetMotionMaster()->Initialize();
                 }
          }
    }

    if (GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->SetClientControl(this, !apply);
    }
}

void Unit::SetFeignDeath(bool apply, ObjectGuid casterGuid, uint32 /*spellID*/)
{
    if (apply)
    {
        /*
        WorldPacket data(SMSG_FEIGN_DEATH_RESISTED, 9);
        data<<GetGUID();
        data<<uint8(0);
        SendMessageToSet(&data,true);
        */

        if (GetTypeId() != TYPEID_PLAYER)
        {
            StopMoving();
        }
        else
        {
            ((Player*)this)->m_movementInfo.SetMovementFlags(MOVEFLAG_NONE);
        }

        // blizz like 2.0.x
        SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_UNK_29);
        // blizz like 2.0.x
        SetFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
        // blizz like 2.0.x
        SetFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);

        addUnitState(UNIT_STAT_DIED);
        CombatStop();
        RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_IMMUNE_OR_LOST_SELECTION);

        // prevent interrupt message
        if (casterGuid == GetObjectGuid())
        {
            FinishSpell(CURRENT_GENERIC_SPELL, false);
        }
        InterruptNonMeleeSpells(true);
        GetHostileRefManager().deleteReferences();
    }
    else
    {
        /*
        WorldPacket data(SMSG_FEIGN_DEATH_RESISTED, 9);
        data<<GetGUID();
        data<<uint8(1);
        SendMessageToSet(&data,true);
        */
        // blizz like 2.0.x
        RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_UNK_29);
        // blizz like 2.0.x
        RemoveFlag(UNIT_FIELD_FLAGS_2, UNIT_FLAG2_FEIGN_DEATH);
        // blizz like 2.0.x
        RemoveFlag(UNIT_DYNAMIC_FLAGS, UNIT_DYNFLAG_DEAD);

        clearUnitState(UNIT_STAT_DIED);

        if (GetTypeId() != TYPEID_PLAYER && IsAlive())
        {
            // restore appropriate movement generator
            if (getVictim())
            {
                GetMotionMaster()->MoveChase(getVictim());
            }
            else
            {
                GetMotionMaster()->Initialize();
            }
        }
    }
}

bool Unit::IsSitState() const
{
    uint8 s = getStandState();
    return
        s == UNIT_STAND_STATE_SIT_CHAIR        || s == UNIT_STAND_STATE_SIT_LOW_CHAIR  ||
        s == UNIT_STAND_STATE_SIT_MEDIUM_CHAIR || s == UNIT_STAND_STATE_SIT_HIGH_CHAIR ||
        s == UNIT_STAND_STATE_SIT;
}

bool Unit::IsStandState() const
{
    uint8 s = getStandState();
    return !IsSitState() && s != UNIT_STAND_STATE_SLEEP && s != UNIT_STAND_STATE_KNEEL;
}

void Unit::SetStandState(uint8 state)
{
    SetByteValue(UNIT_FIELD_BYTES_1, 0, state);

    if (IsStandState())
    {
        RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_NOT_SEATED);
    }

    if (GetTypeId() == TYPEID_PLAYER)
    {
        WorldPacket data(SMSG_STANDSTATE_UPDATE, 1);
        data << (uint8)state;
        ((Player*)this)->GetSession()->SendPacket(&data);
    }
}

bool Unit::IsPolymorphed() const
{
    return GetSpellSpecific(getTransForm()) == SPELL_MAGE_POLYMORPH;
}

void Unit::SetDisplayId(uint32 modelId)
{
    SetUInt32Value(UNIT_FIELD_DISPLAYID, modelId);

    UpdateModelData();

    if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (!pet->isControlled())
        {
            return;
        }
        Unit* owner = GetOwner();
        if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
        {
            ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_MODEL_ID);
        }
    }
}

void Unit::UpdateModelData()
{
    if (CreatureModelInfo const* modelInfo = sObjectMgr.GetCreatureModelInfo(GetDisplayId()))
    {
        // we expect values in database to be relative to scale = 1.0
        SetFloatValue(UNIT_FIELD_BOUNDINGRADIUS, GetObjectScale() * modelInfo->bounding_radius);

        // never actually update combat_reach for player, it's always the same. Below player case is for initialization
        if (GetTypeId() == TYPEID_PLAYER)
        {
            SetFloatValue(UNIT_FIELD_COMBATREACH, 1.5f);
        }
        else
        {
            SetFloatValue(UNIT_FIELD_COMBATREACH, GetObjectScale() * modelInfo->combat_reach);
        }
    }
}

void Unit::ClearComboPointHolders()
{
    while (!m_ComboPointHolders.empty())
    {
        uint32 lowguid = *m_ComboPointHolders.begin();

        Player* plr = sObjectMgr.GetPlayer(ObjectGuid(HIGHGUID_PLAYER, lowguid));
        if (plr && plr->GetComboTargetGuid() == GetObjectGuid())// recheck for safe
        {
            plr->ClearComboPoints();                         // remove also guid from m_ComboPointHolders;
        }
        else
        {
            m_ComboPointHolders.erase(lowguid);              // or remove manually
        }
    }
}

void Unit::ClearAllReactives()
{
    for (int i = 0; i < MAX_REACTIVE; ++i)
    {
        m_reactiveTimer[i] = 0;
    }

    if (HasAuraState(AURA_STATE_DEFENSE))
    {
        ModifyAuraState(AURA_STATE_DEFENSE, false);
    }
    if (getClass() == CLASS_HUNTER && HasAuraState(AURA_STATE_HUNTER_PARRY))
    {
        ModifyAuraState(AURA_STATE_HUNTER_PARRY, false);
    }

    if (getClass() == CLASS_WARRIOR && GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->ClearComboPoints();
    }
}

void Unit::UpdateReactives(uint32 p_time)
{
    for (int i = 0; i < MAX_REACTIVE; ++i)
    {
        ReactiveType reactive = ReactiveType(i);

        if (!m_reactiveTimer[reactive])
        {
            continue;
        }

        if (m_reactiveTimer[reactive] <= p_time)
        {
            m_reactiveTimer[reactive] = 0;

            switch (reactive)
            {
                case REACTIVE_DEFENSE:
                    if (HasAuraState(AURA_STATE_DEFENSE))
                    {
                        ModifyAuraState(AURA_STATE_DEFENSE, false);
                    }
                    break;
                case REACTIVE_HUNTER_PARRY:
                    if (getClass() == CLASS_HUNTER && HasAuraState(AURA_STATE_HUNTER_PARRY))
                    {
                        ModifyAuraState(AURA_STATE_HUNTER_PARRY, false);
                    }
                    break;
                case REACTIVE_OVERPOWER:
                    if (getClass() == CLASS_WARRIOR && GetTypeId() == TYPEID_PLAYER)
                    {
                        ((Player*)this)->ClearComboPoints();
                    }
                    break;
                default:
                    break;
            }
        }
        else
        {
            m_reactiveTimer[reactive] -= p_time;
        }
    }
}

Unit* Unit::SelectRandomUnfriendlyTarget(Unit* except /*= NULL*/, float radius /*= ATTACK_DISTANCE*/) const
{
    std::list<Unit*> targets;

    MaNGOS::AnyUnfriendlyUnitInObjectRangeCheck u_check(this, radius);
    MaNGOS::UnitListSearcher<MaNGOS::AnyUnfriendlyUnitInObjectRangeCheck> searcher(targets, u_check);
    Cell::VisitAllObjects(this, searcher, radius);

    // remove current target
    if (except)
    {
        targets.remove(except);
    }

    // remove not LoS targets
    for (std::list<Unit*>::iterator tIter = targets.begin(); tIter != targets.end();)
    {
        if (!IsWithinLOSInMap(*tIter))
        {
            std::list<Unit*>::iterator tIter2 = tIter;
            ++tIter;
            targets.erase(tIter2);
        }
        else
        {
            ++tIter;
        }
    }

    // no appropriate targets
    if (targets.empty())
    {
        return NULL;
    }

    // select random
    uint32 rIdx = urand(0, targets.size() - 1);
    std::list<Unit*>::const_iterator tcIter = targets.begin();
    for (uint32 i = 0; i < rIdx; ++i)
    {
        ++tcIter;
    }

    return *tcIter;
}

Unit* Unit::SelectRandomFriendlyTarget(Unit* except /*= NULL*/, float radius /*= ATTACK_DISTANCE*/) const
{
    std::list<Unit*> targets;

    MaNGOS::AnyFriendlyUnitInObjectRangeCheck u_check(this, radius);
    MaNGOS::UnitListSearcher<MaNGOS::AnyFriendlyUnitInObjectRangeCheck> searcher(targets, u_check);

    Cell::VisitAllObjects(this, searcher, radius);

    // remove current target
    if (except)
    {
        targets.remove(except);
    }

    // remove not LoS targets
    for (std::list<Unit*>::iterator tIter = targets.begin(); tIter != targets.end();)
    {
        if (!IsWithinLOSInMap(*tIter))
        {
            std::list<Unit*>::iterator tIter2 = tIter;
            ++tIter;
            targets.erase(tIter2);
        }
        else
        {
            ++tIter;
        }
    }

    // no appropriate targets
    if (targets.empty())
    {
        return NULL;
    }

    // select random
    uint32 rIdx = urand(0, targets.size() - 1);
    std::list<Unit*>::const_iterator tcIter = targets.begin();
    for (uint32 i = 0; i < rIdx; ++i)
    {
        ++tcIter;
    }

    return *tcIter;
}

bool Unit::hasNegativeAuraWithInterruptFlag(uint32 flag)
{
    for (SpellAuraHolderMap::const_iterator iter = m_spellAuraHolders.begin(); iter != m_spellAuraHolders.end(); ++iter)
    {
        if (!iter->second->IsPositive() && iter->second->GetSpellProto()->GetAuraInterruptFlags() & flag)
        {
            return true;
        }
    }
    return false;
}

void Unit::ApplyAttackTimePercentMod(WeaponAttackType att, float val, bool apply)
{
    if (val > 0)
    {
        ApplyPercentModFloatVar(m_modAttackSpeedPct[att], val, !apply);
        ApplyPercentModFloatValue(UNIT_FIELD_BASEATTACKTIME + att, val, !apply);
    }
    else
    {
        ApplyPercentModFloatVar(m_modAttackSpeedPct[att], -val, apply);
        ApplyPercentModFloatValue(UNIT_FIELD_BASEATTACKTIME + att, -val, apply);
    }
}

void Unit::ApplyCastTimePercentMod(float val, bool apply)
{
    if (val > 0)
    {
        ApplyPercentModFloatValue(UNIT_MOD_CAST_SPEED, val, !apply);
    }
    else
    {
        ApplyPercentModFloatValue(UNIT_MOD_CAST_SPEED, -val, apply);
    }
}

void Unit::UpdateAuraForGroup(uint8 slot)
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        Player* player = (Player*)this;
        if (player->GetGroup())
        {
            player->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_AURAS);
            player->SetAuraUpdateMask(slot);
        }
    }
    else if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->IsPet())
    {
        Pet* pet = ((Pet*)this);
        if (pet->isControlled())
        {
            Unit* owner = GetOwner();
            if (owner && (owner->GetTypeId() == TYPEID_PLAYER) && ((Player*)owner)->GetGroup())
            {
                ((Player*)owner)->SetGroupUpdateFlag(GROUP_UPDATE_FLAG_PET_AURAS);
                pet->SetAuraUpdateMask(slot);
            }
        }
    }
}

float Unit::GetAPMultiplier(WeaponAttackType attType, bool normalized)
{
    if (!normalized || GetTypeId() != TYPEID_PLAYER)
    {
        return float(GetAttackTime(attType)) / 1000.0f;
    }

    Item* Weapon = ((Player*)this)->GetWeaponForAttack(attType, true, false);
    if (!Weapon)
    {
        return 2.4f;                                         // fist attack
    }

    switch (Weapon->GetProto()->InventoryType)
    {
        case INVTYPE_2HWEAPON:
            return 3.3f;
        case INVTYPE_RANGED:
        case INVTYPE_RANGEDRIGHT:
        case INVTYPE_THROWN:
            return 2.8f;
        case INVTYPE_WEAPON:
        case INVTYPE_WEAPONMAINHAND:
        case INVTYPE_WEAPONOFFHAND:
        default:
            return Weapon->GetProto()->SubClass == ITEM_SUBCLASS_WEAPON_DAGGER ? 1.7f : 2.4f;
    }
}

Aura* Unit::GetDummyAura(uint32 spell_id) const
{
    Unit::AuraList const& mDummy = GetAurasByType(SPELL_AURA_DUMMY);
    for (Unit::AuraList::const_iterator itr = mDummy.begin(); itr != mDummy.end(); ++itr)
        if ((*itr)->GetId() == spell_id)
        {
            return *itr;
        }

    return NULL;
}

void Unit::SetContestedPvP(Player* attackedPlayer)
{
    Player* player = GetCharmerOrOwnerPlayerOrPlayerItself();

    if (!player || (attackedPlayer && (attackedPlayer == player || player->IsInDuelWith(attackedPlayer))))
    {
        return;
    }

    player->SetContestedPvPTimer(30000);

    if (!player->hasUnitState(UNIT_STAT_ATTACK_PLAYER))
    {
        player->addUnitState(UNIT_STAT_ATTACK_PLAYER);
        player->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_CONTESTED_PVP);
        // call MoveInLineOfSight for nearby contested guards
        UpdateVisibilityAndView();
    }

    if (!hasUnitState(UNIT_STAT_ATTACK_PLAYER))
    {
        addUnitState(UNIT_STAT_ATTACK_PLAYER);
        // call MoveInLineOfSight for nearby contested guards
        UpdateVisibilityAndView();
    }
}

void Unit::AddPetAura(PetAura const* petSpell)
{
    m_petAuras.insert(petSpell);
    if (Pet* pet = GetPet())
    {
        pet->CastPetAura(petSpell);
    }
}

void Unit::RemovePetAura(PetAura const* petSpell)
{
    m_petAuras.erase(petSpell);
    if (Pet* pet = GetPet())
    {
        pet->RemoveAurasDueToSpell(petSpell->GetAura(pet->GetEntry()));
    }
}

void Unit::RemoveAurasAtMechanicImmunity(uint32 mechMask, uint32 exceptSpellId, bool non_positive /*= false*/)
{
    Unit::SpellAuraHolderMap& auras = GetSpellAuraHolderMap();
    for (Unit::SpellAuraHolderMap::iterator iter = auras.begin(); iter != auras.end();)
    {
        SpellEntry const* spell = iter->second->GetSpellProto();
        if (spell->Id == exceptSpellId)
        {
            ++iter;
        }
        else if (non_positive && iter->second->IsPositive())
        {
            ++iter;
        }
        else if (spell->HasAttribute(SPELL_ATTR_UNAFFECTED_BY_INVULNERABILITY))
        {
            ++iter;
        }
        else if (iter->second->HasMechanicMask(mechMask))
        {
            RemoveAurasDueToSpell(spell->Id);

            if (auras.empty())
            {
                break;
            }
            else
            {
                iter = auras.begin();
            }
        }
        else
        {
            ++iter;
        }
    }
}

struct SetPhaseMaskHelper
{
    explicit SetPhaseMaskHelper(uint32 _phaseMask) : phaseMask(_phaseMask) {}
    void operator()(Unit* unit) const { unit->SetPhaseMask(phaseMask, true); }
    uint32 phaseMask;
};

void Unit::SetPhaseMask(uint32 newPhaseMask, bool update)
{
    if (newPhaseMask == GetPhaseMask())
    {
        return;
    }

    // first move to both phase for proper update controlled units
    WorldObject::SetPhaseMask(GetPhaseMask() | newPhaseMask, false);

    if (IsInWorld())
    {
        RemoveNotOwnTrackedTargetAuras(newPhaseMask);       // we can lost access to caster or target

        // all controlled except not owned charmed units
        CallForAllControlledUnits(SetPhaseMaskHelper(newPhaseMask), CONTROLLED_PET | CONTROLLED_GUARDIANS | CONTROLLED_MINIPET | CONTROLLED_TOTEMS);
    }

    WorldObject::SetPhaseMask(newPhaseMask, update);
}

void Unit::NearTeleportTo(float x, float y, float z, float orientation, bool casting /*= false*/)
{
    DisableSpline();

    if (GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->TeleportTo(GetMapId(), x, y, z, orientation, TELE_TO_NOT_LEAVE_TRANSPORT | TELE_TO_NOT_LEAVE_COMBAT | TELE_TO_NOT_UNSUMMON_PET | (casting ? TELE_TO_SPELL : 0));
    }
    else
    {
        Creature* c = (Creature*)this;
        // Creature relocation acts like instant movement generator, so current generator expects interrupt/reset calls to react properly
        if (!c->GetMotionMaster()->empty())
            if (MovementGenerator* movgen = c->GetMotionMaster()->top())
            {
                movgen->Interrupt(*c);
            }

        GetMap()->CreatureRelocation((Creature*)this, x, y, z, orientation);

        SendHeartBeat();

        // finished relocation, movegen can different from top before creature relocation,
        // but apply Reset expected to be safe in any case
        if (!c->GetMotionMaster()->empty())
            if (MovementGenerator* movgen = c->GetMotionMaster()->top())
            {
                movgen->Reset(*c);
            }
    }
}

void Unit::MonsterMoveWithSpeed(float x, float y, float z, float speed, bool generatePath, bool forceDestination)
{
    Movement::MoveSplineInit init(*this);
    init.MoveTo(x, y, z, generatePath, forceDestination);
    init.SetVelocity(speed);
    init.Launch();
}

struct SetPvPHelper
{
    explicit SetPvPHelper(bool _state) : state(_state) {}
    void operator()(Unit* unit) const { unit->SetPvP(state); }
    bool state;
};

void Unit::SetPvP(bool state)
{
    if (state)
    {
        SetByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_PVP);
    }
    else
    {
        RemoveByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_PVP);
    }

    CallForAllControlledUnits(SetPvPHelper(state), CONTROLLED_PET | CONTROLLED_TOTEMS | CONTROLLED_GUARDIANS | CONTROLLED_CHARM);
}

struct SetFFAPvPHelper
{
    explicit SetFFAPvPHelper(bool _state) : state(_state) {}
    void operator()(Unit* unit) const { unit->SetFFAPvP(state); }
    bool state;
};

void Unit::SetFFAPvP(bool state)
{
    if (state)
    {
        SetByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_FFA_PVP);
    }
    else
    {
        RemoveByteFlag(UNIT_FIELD_BYTES_2, 1, UNIT_BYTE2_FLAG_FFA_PVP);
    }

    CallForAllControlledUnits(SetFFAPvPHelper(state), CONTROLLED_PET | CONTROLLED_TOTEMS | CONTROLLED_GUARDIANS | CONTROLLED_CHARM);
}

void Unit::RestoreOriginalFaction()
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->setFactionForRace(getRace());
    }
    else
    {
        Creature* creature = (Creature*)this;

        if (creature->IsPet() || creature->IsTotem())
        {
            if (Unit* owner = GetOwner())
            {
                setFaction(owner->getFaction());
            }
        }
        else
        {
            setFaction(creature->GetCreatureInfo()->FactionAlliance);
        }
    }
}

void Unit::KnockBackFrom(Unit* target, float horizontalSpeed, float verticalSpeed)
{
    float angle = this == target ? GetOrientation() + M_PI_F : target->GetAngle(this);
    KnockBackWithAngle(angle, horizontalSpeed, verticalSpeed);
}

void Unit::KnockBackWithAngle(float angle, float horizontalSpeed, float verticalSpeed)
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        ((Player*)this)->GetSession()->SendKnockBack(angle, horizontalSpeed, verticalSpeed);
    }
    else
    {
        float vsin = sin(angle);
        float vcos = cos(angle);
        float moveTimeHalf = verticalSpeed / Movement::gravity;
        float max_height = -Movement::computeFallElevation(moveTimeHalf, false, -verticalSpeed);

        float dis = 2 * moveTimeHalf * horizontalSpeed;
        float ox, oy, oz;
        GetPosition(ox, oy, oz);
        float fx = ox + dis * vcos;
        float fy = oy + dis * vsin;
        float fz = oz + 0.5f;
        GetMap()->GetHitPosition(ox, oy, oz + 0.5f, fx, fy, fz, GetPhaseMask(), -0.5f);
        UpdateAllowedPositionZ(fx, fy, fz);
        GetMotionMaster()->MoveJump(fx, fy, fz, horizontalSpeed, max_height);
    }
}

float Unit::GetCombatRatingReduction(CombatRating cr) const
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        return ((Player const*)this)->GetRatingBonusValue(cr);
    }
    else if (((Creature const*)this)->IsPet())
    {
        // Player's pet get 100% resilience from owner
        if (Unit* owner = GetOwner())
            if (owner->GetTypeId() == TYPEID_PLAYER)
            {
                return ((Player*)owner)->GetRatingBonusValue(cr);
            }
    }

    return 0.0f;
}

uint32 Unit::GetCombatRatingDamageReduction(CombatRating cr, float rate, float cap, uint32 damage) const
{
    float percent = GetCombatRatingReduction(cr) * rate;
    if (percent > cap)
    {
        percent = cap;
    }
    return uint32(percent * damage / 100.0f);
}

void Unit::SendThreatUpdate()
{
    ThreatList const& tlist = GetThreatManager().getThreatList();
    if (uint32 count = tlist.size())
    {
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "WORLD: Send SMSG_THREAT_UPDATE Message");
        WorldPacket data(SMSG_THREAT_UPDATE, 8 + count * 8);
        data << GetPackGUID();
        data << uint32(count);
        for (ThreatList::const_iterator itr = tlist.begin(); itr != tlist.end(); ++itr)
        {
            data << (*itr)->getUnitGuid().WriteAsPacked();
            data << uint32((*itr)->getThreat());
        }
        SendMessageToSet(&data, false);
    }
}

void Unit::SendHighestThreatUpdate(HostileReference* pHostilReference)
{
    ThreatList const& tlist = GetThreatManager().getThreatList();
    if (uint32 count = tlist.size())
    {
        DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "WORLD: Send SMSG_HIGHEST_THREAT_UPDATE Message");
        WorldPacket data(SMSG_HIGHEST_THREAT_UPDATE, 8 + 8 + count * 8);
        data << GetPackGUID();
        data << pHostilReference->getUnitGuid().WriteAsPacked();
        data << uint32(count);
        for (ThreatList::const_iterator itr = tlist.begin(); itr != tlist.end(); ++itr)
        {
            data << (*itr)->getUnitGuid().WriteAsPacked();
            data << uint32((*itr)->getThreat());
        }
        SendMessageToSet(&data, false);
    }
}

void Unit::SendThreatClear()
{
    DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "WORLD: Send SMSG_THREAT_CLEAR Message");
    WorldPacket data(SMSG_THREAT_CLEAR, 8);
    data << GetPackGUID();
    SendMessageToSet(&data, false);
}

void Unit::SendThreatRemove(HostileReference* pHostileReference)
{
    DEBUG_FILTER_LOG(LOG_FILTER_COMBAT, "WORLD: Send SMSG_THREAT_REMOVE Message");
    WorldPacket data(SMSG_THREAT_REMOVE, 8 + 8);
    data << GetPackGUID();
    data << pHostileReference->getUnitGuid().WriteAsPacked();
    SendMessageToSet(&data, false);
}

struct StopAttackFactionHelper
{
    explicit StopAttackFactionHelper(uint32 _faction_id) : faction_id(_faction_id) {}
    void operator()(Unit* unit) const { unit->StopAttackFaction(faction_id); }
    uint32 faction_id;
};

void Unit::StopAttackFaction(uint32 faction_id)
{
    if (Unit* victim = getVictim())
    {
        if (victim->getFactionTemplateEntry()->faction == faction_id)
        {
            AttackStop();
            if (IsNonMeleeSpellCasted(false))
            {
                InterruptNonMeleeSpells(false);
            }

            // melee and ranged forced attack cancel
            if (GetTypeId() == TYPEID_PLAYER)
            {
                ((Player*)this)->SendAttackSwingCancelAttack();
            }
        }
    }

    AttackerSet const& attackers = getAttackers();
    for (AttackerSet::const_iterator itr = attackers.begin(); itr != attackers.end();)
    {
        if ((*itr)->getFactionTemplateEntry()->faction == faction_id)
        {
            (*itr)->AttackStop();
            itr = attackers.begin();
        }
        else
        {
            ++itr;
        }
    }

    GetHostileRefManager().deleteReferencesForFaction(faction_id);

    CallForAllControlledUnits(StopAttackFactionHelper(faction_id), CONTROLLED_PET | CONTROLLED_GUARDIANS | CONTROLLED_CHARM);
}

bool Unit::IsIgnoreUnitState(SpellEntry const* spell, IgnoreUnitState ignoreState)
{
    Unit::AuraList const& stateAuras = GetAurasByType(SPELL_AURA_IGNORE_UNIT_STATE);
    for (Unit::AuraList::const_iterator itr = stateAuras.begin(); itr != stateAuras.end(); ++itr)
    {
        if ((*itr)->GetModifier()->m_miscvalue == ignoreState)
        {
            // frozen state absent ignored for all spells
            if (ignoreState == IGNORE_UNIT_TARGET_NON_FROZEN)
            {
                return true;
            }

            if ((*itr)->isAffectedOnSpell(spell))
            {
                return true;
            }
        }
    }

    return false;
}

void Unit::CleanupDeletedAuras()
{
    for (SpellAuraHolderList::const_iterator iter = m_deletedHolders.begin(); iter != m_deletedHolders.end(); ++iter)
    {
        delete *iter;
    }
    m_deletedHolders.clear();

    // really delete auras "deleted" while processing its ApplyModify code
    for (AuraList::const_iterator itr = m_deletedAuras.begin(); itr != m_deletedAuras.end(); ++itr)
    {
        delete *itr;
    }
    m_deletedAuras.clear();
}

bool Unit::CheckAndIncreaseCastCounter()
{
    uint32 maxCasts = sWorld.getConfig(CONFIG_UINT32_MAX_SPELL_CASTS_IN_CHAIN);

    if (maxCasts && m_castCounter >= maxCasts)
    {
        return false;
    }

    ++m_castCounter;
    return true;
}

SpellAuraHolder* Unit::GetSpellAuraHolder(uint32 spellid) const
{
    SpellAuraHolderMap::const_iterator itr = m_spellAuraHolders.find(spellid);
    return itr != m_spellAuraHolders.end() ? itr->second : NULL;
}

SpellAuraHolder* Unit::GetSpellAuraHolder(uint32 spellid, ObjectGuid casterGuid) const
{
    SpellAuraHolderConstBounds bounds = GetSpellAuraHolderBounds(spellid);
    for (SpellAuraHolderMap::const_iterator iter = bounds.first; iter != bounds.second; ++iter)
        if (iter->second->GetCasterGuid() == casterGuid)
        {
            return iter->second;
        }

    return NULL;
}

bool Unit::IsAllowedDamageInArea(Unit* pVictim) const
{
    // can damage self anywhere
    if (pVictim == this)
    {
        return true;
    }

    // can damage own pet anywhere
    if (pVictim->GetOwnerGuid() == GetObjectGuid())
    {
        return true;
    }

    // non player controlled unit can damage anywhere
    Player const* pOwner = GetCharmerOrOwnerPlayerOrPlayerItself();
    if (!pOwner)
    {
        return true;
    }

    // can damage non player controlled victim anywhere
    Player const* vOwner = pVictim->GetCharmerOrOwnerPlayerOrPlayerItself();
    if (!vOwner)
    {
        return true;
    }

    // can damage opponent in duel
    if (pOwner->IsInDuelWith(vOwner))
    {
        return true;
    }

    // can't damage player controlled unit by player controlled unit in sanctuary
    AreaTableEntry const* area = GetAreaEntryByAreaID(pVictim->GetAreaId());
    if (area && area->flags & AREA_FLAG_SANCTUARY)
    {
        return false;
    }

    return true;
}

class RelocationNotifyEvent : public BasicEvent
{
    public:
        RelocationNotifyEvent(Unit& owner) : BasicEvent(), m_owner(owner)
        {
            m_owner._SetAINotifyScheduled(true);
        }

        bool Execute(uint64 /*e_time*/, uint32 /*p_time*/)
        {
            float radius = MAX_CREATURE_ATTACK_RADIUS * sWorld.getConfig(CONFIG_FLOAT_RATE_CREATURE_AGGRO);
            if (m_owner.GetTypeId() == TYPEID_PLAYER)
            {
                MaNGOS::PlayerRelocationNotifier notify((Player&)m_owner);
                Cell::VisitAllObjects(&m_owner, notify, radius);
            }
            else // if(m_owner.GetTypeId() == TYPEID_UNIT)
            {
                MaNGOS::CreatureRelocationNotifier notify((Creature&)m_owner);
                Cell::VisitAllObjects(&m_owner, notify, radius);
            }
            m_owner._SetAINotifyScheduled(false);
            return true;
        }

        void Abort(uint64)
        {
            m_owner._SetAINotifyScheduled(false);
        }

    private:
        Unit& m_owner;
};

void Unit::ScheduleAINotify(uint32 delay)
{
    if (!IsAINotifyScheduled())
    {
        m_Events.AddEvent(new RelocationNotifyEvent(*this), m_Events.CalculateTime(delay));
    }
}

void Unit::OnRelocated()
{
    // switch to use G3D::Vector3 is good idea, maybe
    float dx = m_last_notified_position.x - GetPositionX();
    float dy = m_last_notified_position.y - GetPositionY();
    float dz = m_last_notified_position.z - GetPositionZ();
    float distsq = dx * dx + dy * dy + dz * dz;
    if (distsq > World::GetRelocationLowerLimitSq())
    {
        m_last_notified_position.x = GetPositionX();
        m_last_notified_position.y = GetPositionY();
        m_last_notified_position.z = GetPositionZ();

        GetViewPoint().Call_UpdateVisibilityForOwner();
        UpdateObjectVisibility();
    }
    ScheduleAINotify(World::GetRelocationAINotifyDelay());
}

/*
 * @param entry             entry of the vehicle kit
 * @param overwriteNpcEntry use to select behaviour (like accessory) for this entry instead of GetEntry()'s result
 */
void Unit::SetVehicleId(uint32 entry, uint32 overwriteNpcEntry)
{
    delete m_vehicleInfo;

    if (entry)
    {
        VehicleEntry const* ventry = sVehicleStore.LookupEntry(entry);
        MANGOS_ASSERT(ventry != NULL);

        m_vehicleInfo = new VehicleInfo(this, ventry, overwriteNpcEntry);
        m_updateFlag |= UPDATEFLAG_VEHICLE;
    }
    else
    {
        m_vehicleInfo = NULL;
        m_updateFlag &= ~UPDATEFLAG_VEHICLE;
    }

    if (GetTypeId() == TYPEID_PLAYER)
    {
        WorldPacket data(SMSG_SET_VEHICLE_REC_ID, 16);
        data << GetPackGUID();
        data << uint32(entry);
        SendMessageToSet(&data, true);
    }
}

void Unit::UpdateSplineMovement(uint32 t_diff)
{
    enum
    {
        POSITION_UPDATE_DELAY = 400,
    };

    if (movespline->Finalized())
    {
        return;
    }

    movespline->updateState(t_diff);
    bool arrived = movespline->Finalized();

    if (arrived)
    {
        DisableSpline();
    }

    m_movesplineTimer.Update(t_diff);
    if (m_movesplineTimer.Passed() || arrived)
    {
        m_movesplineTimer.Reset(POSITION_UPDATE_DELAY);
        Movement::Location loc = movespline->ComputePosition();

        if (IsBoarded())
        {
            GetTransportInfo()->SetLocalPosition(loc.x, loc.y, loc.z, loc.orientation);
        }
        else if (GetTypeId() == TYPEID_PLAYER)
        {
            ((Player*)this)->SetPosition(loc.x, loc.y, loc.z, loc.orientation);
        }
        else
        {
            GetMap()->CreatureRelocation((Creature*)this, loc.x, loc.y, loc.z, loc.orientation);
        }
    }
}

void Unit::DisableSpline()
{
    m_movementInfo.RemoveMovementFlag(MOVEFLAG_FORWARD);
    movespline->_Interrupt();
}

bool Unit::IsSplineEnabled() const
{
    return movespline->Initialized();
}

bool Unit::IsInWorgenForm(bool inPermanent) const
{
    AuraList const& vTransformAuras = GetAurasByType(SPELL_AURA_WORGEN_TRANSFORM);
    for (AuraList::const_iterator itr = vTransformAuras.begin(); itr != vTransformAuras.end(); ++itr)
        if (!inPermanent || (*itr)->GetHolder()->IsPermanent())
        {
            return true;
        }

    return false;
}

bool Unit::HasWorgenForm() const
{
    return HasAuraType(SPELL_AURA_ALLOW_WORGEN_TRANSFORM);
}

void Unit::BuildForceMoveRootPacket(WorldPacket* data, bool apply, uint32 value)
{
    if (apply)
    {
        data->Initialize(SMSG_FORCE_MOVE_ROOT, 13);
        data->WriteGuidMask<2, 7, 6, 0, 5, 4, 1, 3>(GetObjectGuid());
        data->WriteGuidBytes<1, 0, 2, 5>(GetObjectGuid());
        *data << uint32(value);
        data->WriteGuidBytes<3, 4, 7, 6>(GetObjectGuid());
    }
    else
    {
        data->Initialize(SMSG_FORCE_MOVE_UNROOT, 13);
        data->WriteGuidMask<0, 1, 3, 7, 5, 2, 4, 6>(GetObjectGuid());
        data->WriteGuidBytes<3, 6, 1>(GetObjectGuid());
        *data << uint32(value);
        data->WriteGuidBytes<2, 0, 7, 4, 5>(GetObjectGuid());
    }
}

void Unit::BuildMoveSetCanFlyPacket(WorldPacket* data, bool apply, uint32 value)
{
    if (apply)
    {
        data->Initialize(SMSG_MOVE_SET_CAN_FLY, 13);
        data->WriteGuidMask<1, 6, 5, 0, 7, 4, 2, 3>(GetObjectGuid());
        data->WriteGuidBytes<6, 3>(GetObjectGuid());
        *data << uint32(value);
        data->WriteGuidBytes<2, 1, 4, 7, 0, 5>(GetObjectGuid());
    }
    else
    {
        data->Initialize(SMSG_MOVE_UNSET_CAN_FLY, 13);
        data->WriteGuidMask<1, 4, 2, 5, 0, 3, 6, 7>(GetObjectGuid());
        data->WriteGuidBytes<4, 6>(GetObjectGuid());
        *data << uint32(value);
        data->WriteGuidBytes<1, 0, 2, 3, 5, 7>(GetObjectGuid());
    }
}

void Unit::BuildSendPlayVisualPacket(WorldPacket* data, uint32 value, bool impact)
{
    data->Initialize(SMSG_PLAY_SPELL_VISUAL, 21);
    *data << uint32(0);         // unk, seems always 0
    *data << uint32(value);
    *data << uint32(impact ? 1 : 0);

    data->WriteGuidMask<4, 7, 5, 3, 1, 2, 0, 6>(GetObjectGuid());
    data->WriteGuidBytes<0, 4, 1, 6, 7, 2, 3, 5>(GetObjectGuid());
}

void Unit::BuildMoveWaterWalkPacket(WorldPacket* data, bool apply, uint32 value)
{
    if (apply)
    {
        data->Initialize(SMSG_MOVE_WATER_WALK, 13);
        data->WriteGuidMask<4, 7, 6, 0, 1, 3, 5, 2>(GetObjectGuid());
        data->WriteGuidBytes<0, 5, 2>(GetObjectGuid());
        *data << uint32(value);
        data->WriteGuidBytes<7, 3, 4, 1, 6>(GetObjectGuid());
    }
    else
    {
        data->Initialize(SMSG_MOVE_LAND_WALK, 13);
        data->WriteGuidMask<5, 1, 6, 2, 3, 4, 0, 7>(GetObjectGuid());
        data->WriteGuidBytes<6, 1, 7, 5, 4, 0, 3, 2>(GetObjectGuid());
        *data << uint32(value);
    }
}

void Unit::BuildMoveFeatherFallPacket(WorldPacket* data, bool apply, uint32 value)
{
    ObjectGuid guid = GetObjectGuid();

    if (apply)
    {
        data->Initialize(SMSG_MOVE_FEATHER_FALL, 1 + 4 + 8);
        data->WriteGuidMask<3, 1, 7, 0, 4, 2, 5, 6>(guid);
        data->WriteGuidBytes<5, 7, 2>(guid);
        *data << uint32(value);
        data->WriteGuidBytes<0, 3, 4, 1, 6>(guid);
    }
    else
    {
        data->Initialize(SMSG_MOVE_NORMAL_FALL, 1 + 4 + 8);
        *data << uint32(value);
        data->WriteGuidMask<3, 0, 1, 5, 7, 4, 6, 2>(guid);
        data->WriteGuidBytes<2, 7, 1, 4, 5, 0, 3, 6>(guid);
    }
}

void Unit::BuildMoveHoverPacket(WorldPacket* data, bool apply, uint32 value)
{
    ObjectGuid guid = GetObjectGuid();

    if (apply)
    {
        data->Initialize(SMSG_MOVE_SET_HOVER, 8 + 4 + 1);
        data->WriteGuidMask<1, 4, 2, 3, 0, 5, 6, 7>(guid);
        data->WriteGuidBytes<5, 4, 1, 2, 3, 6, 0, 7>(guid);
        *data << uint32(0);
    }
    else
    {
        data->Initialize(SMSG_MOVE_UNSET_HOVER, 8 + 4 + 1);
        data->WriteGuidMask<4, 6, 3, 1, 2, 7, 5, 0>(guid);
        data->WriteGuidBytes<4, 5, 3, 6, 7, 1, 2, 0>(guid);
        *data << uint32(0);
    }
}

void Unit::BuildMoveLevitatePacket(WorldPacket* data, bool apply, uint32 value)
{
    ObjectGuid guid = GetObjectGuid();

    if (apply)
    {
        data->Initialize(SMSG_MOVE_GRAVITY_ENABLE);
        data->WriteGuidMask<1, 4, 7, 5, 2, 0, 3, 6>(GetObjectGuid());
        data->WriteGuidBytes<3>(GetObjectGuid());
        *data << uint32(value);
        data->WriteGuidBytes<7, 6, 4, 0, 1, 5, 2>(GetObjectGuid());
    }
    else
    {
        data->Initialize(SMSG_MOVE_GRAVITY_DISABLE);
        data->WriteGuidMask<0, 1, 5, 7, 6, 4, 3, 2>(GetObjectGuid());
        data->WriteGuidBytes<7, 2, 0>(GetObjectGuid());
        *data << uint32(value);
        data->WriteGuidBytes<5, 1, 3, 4, 6>(GetObjectGuid());
    }
}

void Unit::SendCollisionHeightUpdate(float height)
{
    if (GetTypeId() == TYPEID_PLAYER)
    {
        WorldPacket data(SMSG_MOVE_SET_COLLISION_HGT, GetPackGUID().size() + 4 + 4);
        data.WriteGuidMask<6, 1, 4, 7, 5, 2, 0, 3>(GetObjectGuid());
        data.WriteGuidBytes<6, 0, 4, 3, 5>(GetObjectGuid());
        data << uint32(sWorld.GetGameTime());   // Packet counter
        data.WriteGuidBytes<1, 2, 7>(GetObjectGuid());
        data << ((Player*)this)->GetCollisionHeight(true);
        ((Player*)this)->GetSession()->SendPacket(&data);
    }
}

// This will create a new creature and set the current unit as the controller of that new creature
Unit* Unit::TakePossessOf(SpellEntry const* spellEntry, SummonPropertiesEntry const* summonProp, SpellEffectEntry const* spellEffect, float x, float y, float z, float ang)
{
    int32 const& creatureEntry = spellEffect->EffectMiscValue;
    CreatureInfo const* cinfo = ObjectMgr::GetCreatureTemplate(creatureEntry);
    if (!cinfo)
    {
        sLog.outErrorDb("WorldObject::SummonCreature: Creature (Entry: %u) not existed for summoner: %s. ", creatureEntry, GetGuidStr().c_str());
        return NULL;
    }

    if (GetCharm())
    {
        sLog.outError("Unit::TakePossessOf> There is already a charmed creature for %s its : %s. ", GetGuidStr().c_str(), GetCharm()->GetGuidStr().c_str());
        return NULL;
    }

    TemporarySummon* pCreature = new TemporarySummon(GetObjectGuid());

    CreatureCreatePos pos(GetMap(), x, y, z, ang, GetPhaseMask());

    if (x == 0.0f && y == 0.0f && z == 0.0f)
    {
        pos = CreatureCreatePos(this, GetOrientation(), CONTACT_DISTANCE, ang);
    }

    if (!pCreature->Create(GetMap()->GenerateLocalLowGuid(cinfo->GetHighGuid()), pos, cinfo))
    {
        delete pCreature;
        return NULL;
    }

    Player* player = GetTypeId() == TYPEID_PLAYER ? static_cast<Player*>(this): NULL;

    pCreature->setFaction(getFaction());                                // set same faction than player
    pCreature->SetRespawnCoord(pos);                                    // set spawn coord
    pCreature->SetCharmerGuid(GetObjectGuid());                         // save guid of the charmer
    pCreature->SetUInt32Value(UNIT_CREATED_BY_SPELL, spellEntry->Id);   // set the spell id used to create this (may be used for removing corresponding aura
    pCreature->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED);  // set flag for client that mean this unit is controlled by a player
    pCreature->addUnitState(UNIT_STAT_CONTROLLED);                      // also set internal unit state flag
    pCreature->SelectLevel(getLevel());                                 // set level to same level than summoner TODO:: not sure its always the case...
    pCreature->SetLinkedToOwnerAura(TEMPSPAWN_LINKED_AURA_OWNER_CHECK | TEMPSPAWN_LINKED_AURA_REMOVE_OWNER); // set what to do if linked aura is removed or the creature is dead.
    pCreature->SetWalk(IsWalking(), true);                              // sync the walking state with the summoner

    // important before adding to the map!
    SetCharmGuid(pCreature->GetObjectGuid());                           // save guid of charmed creature

    pCreature->SetSummonProperties(TEMPSPAWN_CORPSE_TIMED_DESPAWN, 5000); // set 5s corpse decay
    GetMap()->Add(static_cast<Creature*>(pCreature));                   // create the creature in the client

    // Give the control to the player
    if (player)
    {
        player->GetCamera().SetView(pCreature);                         // modify camera view to the creature view
        player->SetClientControl(pCreature, 1);                         // transfer client control to the creature
        player->SetMover(pCreature);                                    // set mover so now we know that creature is "moved" by this unit
        player->SendForcedObjectUpdate();                               // we have to update client data here to avoid problem with the "release spirit" windows reappear.
    }

    // initialize AI
    pCreature->AIM_Initialize();

    if (player)
    {
        // Initialize pet bar
        if (CharmInfo* charmInfo = pCreature->InitCharmInfo(pCreature))
        {
            charmInfo->InitPossessCreateSpells();
        }
        player->PossessSpellInitialize();
    }
    else
    {
        // fire just summoned hook
        if (GetTypeId() == TYPEID_UNIT && ((Creature*)this)->AI())
        {
            ((Creature*)this)->AI()->JustSummoned(pCreature);
        }
    }

    // Creature Linking, Initial load is handled like respawn
    if (pCreature->IsLinkingEventTrigger())
    {
        GetMap()->GetCreatureLinkingHolder()->DoCreatureLinkingEvent(LINKING_EVENT_RESPAWN, pCreature);
    }

    // return the creature therewith the summoner has access to it
    return pCreature;
}

bool Unit::TakePossessOf(Unit* possessed)
{
    Player* player = NULL;
    if (GetTypeId() == TYPEID_PLAYER)
    {
        player = static_cast<Player *>(this);
    }

    possessed->addUnitState(UNIT_STAT_CONTROLLED);
    possessed->SetFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED);
    possessed->SetCharmerGuid(GetObjectGuid());
    possessed->setFaction(getFaction());

    SetCharm(possessed);

    Creature* possessedCreature = NULL;
    if (possessed->GetTypeId() == TYPEID_UNIT)
    {
        possessedCreature = static_cast<Creature *>(possessed);
    }

    if (player)
    {
        player->GetCamera().SetView(possessed);
        player->SetClientControl(possessed, 1);
        player->SetMover(possessed);
        player->SendForcedObjectUpdate();

        if (possessedCreature && possessedCreature->IsPet() && possessedCreature->GetObjectGuid() == GetPetGuid())
        {
            possessed->StopMoving();
            possessed->GetMotionMaster()->Clear(false);
            possessed->GetMotionMaster()->MoveIdle();
            return true;
        }
        else if (CharmInfo* charmInfo = possessed->InitCharmInfo(possessed))
        {
            charmInfo->InitPossessCreateSpells();
            charmInfo->SetReactState(REACT_PASSIVE);
            charmInfo->SetCommandState(COMMAND_STAY);
        }
        player->PossessSpellInitialize();
    }

    possessed->CombatStop(true);
    possessed->DeleteThreatList();
    possessed->GetHostileRefManager().deleteReferences();

    if (possessedCreature)
    {
        possessedCreature->AIM_Initialize();
    }
    else if (possessed->GetTypeId() == TYPEID_PLAYER)
    {
        static_cast<Player*>(possessed)->SetClientControl(possessed, 0);
    }
    return true;
}

void Unit::ResetControlState(bool attackCharmer /*= true*/)
{
    Player* player = NULL;
    if (GetTypeId() == TYPEID_PLAYER)
    {
        player = static_cast<Player *>(this);
    }

    Unit* possessed = GetCharm();

    if (!possessed)
    {
        if (player)
        {
            player->GetCamera().ResetView();
            player->SetClientControl(player, 1);
            player->SetMover(NULL);
        }
        return;
    }

    Creature* possessedCreature = static_cast<Creature *>(possessed);

    possessed->clearUnitState(UNIT_STAT_CONTROLLED);
    possessed->RemoveFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED);
    possessed->SetCharmerGuid(ObjectGuid());
    SetCharmGuid(ObjectGuid());

    if (player)
    {
        player->SetClientControl(possessed, 0);
        player->SetMover(NULL);
        player->GetCamera().ResetView();

        if (possessedCreature->IsPet() && possessedCreature->GetObjectGuid() == GetPetGuid())
        {
            // out of range pet dismissed
            if (!possessedCreature->IsWithinDistInMap(this, possessedCreature->GetMap()->GetVisibilityDistance()))
            {
                player->RemovePet(PET_SAVE_REAGENTS);
            }
            else
            {
                possessedCreature->GetMotionMaster()->MoveFollow(this, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
            }

            return;
        }
        else
        {
            player->RemovePetActionBar();
        }
    }

    possessed->CombatStop(true);
    possessed->DeleteThreatList();
    possessed->GetHostileRefManager().deleteReferences();

    if (possessed->GetTypeId() == TYPEID_PLAYER)
    {
        Player* possessedPlayer = static_cast<Player *>(possessed);
        possessedPlayer->setFactionForRace(possessedPlayer->getRace());
        possessedPlayer->SetClientControl(possessedPlayer, 1);
    }
    else if (possessedCreature)
    {
        if (possessedCreature->IsPet() && possessedCreature->GetObjectGuid() == GetPetGuid())
        {
            // out of range pet dismissed
            if (!possessedCreature->IsWithinDistInMap(this, possessedCreature->GetMap()->GetVisibilityDistance()))
            {
                player->RemovePet(PET_SAVE_REAGENTS);
            }
            else
            {
                possessedCreature->GetMotionMaster()->MoveFollow(this, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
            }
        }
        else if (attackCharmer)
        {
            CreatureInfo const* cinfo = possessedCreature->GetCreatureInfo();
            possessedCreature->setFaction(cinfo->FactionAlliance);
            possessedCreature->AIM_Initialize();
            possessedCreature->AttackedBy(this);
        }
    }
}