/
Unit.cpp
13384 lines (11571 loc) · 493 KB
/
Unit.cpp
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/*
* This file is part of the CMaNGOS Project. See AUTHORS file for Copyright information
*
* 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
*/
#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 "Player.h"
#include "Creature.h"
#include "Spell.h"
#include "Group.h"
#include "SpellAuras.h"
#include "ObjectAccessor.h"
#include "AI/CreatureAISelector.h"
#include "TemporarySummon.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 "MovementGenerator.h"
#include "movement/MoveSplineInit.h"
#include "movement/MoveSpline.h"
#include "CreatureLinkingMgr.h"
#include "movement/MovementStructures.h"
#include <math.h>
#include <array>
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
};
typedef std::array<uint32, NUM_SPELL_PARTIAL_RESISTS> SpellPartialResistChanceEntry;
typedef std::vector<SpellPartialResistChanceEntry> SpellPartialResistDistribution;
static inline SpellPartialResistDistribution InitSpellPartialResistDistribution()
{
// Precalculated chances for 0-100% mitigation
// We use integer random instead of floats, so each chance is premultiplied by 100 (100.00 becomes 10000)
SpellPartialResistDistribution precalculated;
for (uint8 percentage = 0; percentage <= 100; ++percentage)
{
SpellPartialResistChanceEntry values;
for (uint8 column = SPELL_PARTIAL_RESIST_NONE; column < NUM_SPELL_PARTIAL_RESISTS; ++column)
{
// We have an exception for first 10% of first two columns and last 10% of last two columns
// The rest is generated by the regular formula
if ((percentage < 10 && column < SPELL_PARTIAL_RESIST_PCT_20) || (percentage > 90 && column > SPELL_PARTIAL_RESIST_PCT_80))
{
const uint8 arg = (column > SPELL_PARTIAL_RESIST_PCT_80) ? (100 - percentage) : percentage;
if (!(column % SPELL_PARTIAL_RESIST_PCT_100))
values[column] = uint16(::round((100.0f - (arg * 7.5f)) * 100));
else
values[column] = uint16(arg * 5 * 100);
}
else
values[column] = uint16(::round(std::max(0.5f - (2.5f * std::abs((float(column) * 10 / 100) - (float(percentage) / 100))), 0.0f) * 10000));
}
precalculated.push_back(values);
}
// Inflate up to two decimal places of chance %: add all intermediate values and 100% value (100*100 + 1)
SpellPartialResistDistribution inflated(10001, {{}});
for (size_t row = 0; row < precalculated.size(); ++row)
{
const size_t next = (row + 1);
const size_t shift = (row * 100);
const auto &source = precalculated.at(row);
// Check if this is the last one first
if (next == precalculated.size())
{
for (uint8 column = SPELL_PARTIAL_RESIST_NONE; column < NUM_SPELL_PARTIAL_RESISTS; ++column)
inflated[shift][column] = source.at(column);
break;
}
const auto &ahead = precalculated.at(next);
for (size_t intermediate = 0; intermediate < 100; ++intermediate)
{
const size_t index = (shift + intermediate);
auto &values = inflated[index];
for (uint8 column = SPELL_PARTIAL_RESIST_NONE; column < NUM_SPELL_PARTIAL_RESISTS; ++column)
{
const uint32 base = source.at(column);
const uint32 upcoming = ahead.at(column);
const int64 diff = (int64(upcoming) - base);
// Use bigger types signed math to avoid potential erratic behavior on some compilers...
values[column] = uint32(std::max(0.0, (base + ::round(diff * (intermediate / double(100.0))))));
}
}
}
return inflated;
}
static const SpellPartialResistDistribution SPELL_PARTIAL_RESIST_DISTRIBUTION = InitSpellPartialResistDistribution();
////////////////////////////////////////////////////////////
// Methods of class MovementInfo
void MovementInfo::Read(ByteBuffer& data, Opcodes 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, Opcodes 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 && WorldTimer::getMSTimeDiff(itr->second.cast_time, WorldTimer::getMSTime()) < itr->second.duration;
}
void GlobalCooldownMgr::AddGlobalCooldown(SpellEntry const* spellInfo, uint32 gcd)
{
m_GlobalCooldowns[spellInfo->GetStartRecoveryCategory()] = GlobalCooldown(gcd, WorldTimer::getMSTime());
}
void GlobalCooldownMgr::CancelGlobalCooldown(SpellEntry const* spellInfo)
{
m_GlobalCooldowns[spellInfo->GetStartRecoveryCategory()].duration = 0;
}
////////////////////////////////////////////////////////////
// Methods of class Unit
Unit::Unit() :
movespline(new Movement::MoveSpline()),
m_charmInfo(nullptr),
i_motionMaster(this),
m_regenTimer(0),
m_vehicleInfo(nullptr),
m_combatData(new CombatData(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] = nullptr;
m_castCounter = 0;
// m_Aura = nullptr;
// 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_EXCLUSIVE] = 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 = nullptr;
m_modMeleeHitChance = 0.0f;
m_modRangedHitChance = 0.0f;
m_modSpellHitChance = 0.0f;
for (int i = 0; i < MAX_SPELL_SCHOOL; ++i)
m_modSpellCritChance[i] = 0.0f;
for (int i = 0; i < MAX_ATTACK; ++i)
m_modCritChance[i] = 0.0f;
m_modDodgeChance = 0.0f;
m_modDodgeChanceDiminishing = 0.0f;
m_modParryChance = 0.0f;
m_modParryChanceDiminishing = 0.0f;
m_modBlockChance = 0.0f;
m_canDodge = true;
m_canParry = true;
m_canBlock = true;
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] = nullptr;
}
}
delete m_combatData;
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;*/
// 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);
else if (isInCombat())
{
// update combat timer only for players and pets (they have no threat list)
// 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 (getHostileRefManager().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);
UpdateSplineMovement(p_time);
i_motionMaster.UpdateMotion(p_time);
if (AI() && isAlive())
AI()->UpdateAI(p_time); // AI not react good at real update delays (while freeze in non-active part of map)
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);
}
}
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 : nullptr);
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) != nullptr;
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(WorldTimer::getMSTime());
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, DamageEffectType damagetype, SpellEntry const* spellProto)
{
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 (AI())
AI()->DamageDeal(pVictim, damage, damagetype, spellProto);
// Script Event damage taken
if (pVictim->AI())
pVictim->AI()->DamageTaken(this, damage, damagetype, spellProto);
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: