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Spell.cpp
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Spell.cpp
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/*
* Copyright (C) 2005-2010 MaNGOS <http://getmangos.com/>
*
* 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 "Spell.h"
#include "Database/DatabaseEnv.h"
#include "WorldPacket.h"
#include "WorldSession.h"
#include "GridNotifiers.h"
#include "GridNotifiersImpl.h"
#include "Opcodes.h"
#include "Log.h"
#include "UpdateMask.h"
#include "World.h"
#include "ObjectMgr.h"
#include "SpellMgr.h"
#include "Player.h"
#include "Pet.h"
#include "Unit.h"
#include "DynamicObject.h"
#include "Group.h"
#include "UpdateData.h"
#include "MapManager.h"
#include "ObjectAccessor.h"
#include "CellImpl.h"
#include "Policies/SingletonImp.h"
#include "SharedDefines.h"
#include "LootMgr.h"
#include "VMapFactory.h"
#include "BattleGround.h"
#include "Util.h"
#define SPELL_CHANNEL_UPDATE_INTERVAL (1 * IN_MILLISECONDS)
extern pEffect SpellEffects[TOTAL_SPELL_EFFECTS];
class PrioritizeManaUnitWraper
{
public:
explicit PrioritizeManaUnitWraper(Unit* unit) : i_unit(unit)
{
uint32 maxmana = unit->GetMaxPower(POWER_MANA);
i_percent = maxmana ? unit->GetPower(POWER_MANA) * 100 / maxmana : 101;
}
Unit* getUnit() const { return i_unit; }
uint32 getPercent() const { return i_percent; }
private:
Unit* i_unit;
uint32 i_percent;
};
struct PrioritizeMana
{
int operator()( PrioritizeManaUnitWraper const& x, PrioritizeManaUnitWraper const& y ) const
{
return x.getPercent() > y.getPercent();
}
};
typedef std::priority_queue<PrioritizeManaUnitWraper, std::vector<PrioritizeManaUnitWraper>, PrioritizeMana> PrioritizeManaUnitQueue;
class PrioritizeHealthUnitWraper
{
public:
explicit PrioritizeHealthUnitWraper(Unit* unit) : i_unit(unit)
{
i_percent = unit->GetHealth() * 100 / unit->GetMaxHealth();
}
Unit* getUnit() const { return i_unit; }
uint32 getPercent() const { return i_percent; }
private:
Unit* i_unit;
uint32 i_percent;
};
struct PrioritizeHealth
{
int operator()( PrioritizeHealthUnitWraper const& x, PrioritizeHealthUnitWraper const& y ) const
{
return x.getPercent() > y.getPercent();
}
};
typedef std::priority_queue<PrioritizeHealthUnitWraper, std::vector<PrioritizeHealthUnitWraper>, PrioritizeHealth> PrioritizeHealthUnitQueue;
bool IsQuestTameSpell(uint32 spellId)
{
SpellEntry const *spellproto = sSpellStore.LookupEntry(spellId);
if (!spellproto)
return false;
return spellproto->Effect[EFFECT_INDEX_0] == SPELL_EFFECT_THREAT
&& spellproto->Effect[EFFECT_INDEX_1] == SPELL_EFFECT_APPLY_AURA && spellproto->EffectApplyAuraName[EFFECT_INDEX_1] == SPELL_AURA_DUMMY;
}
SpellCastTargets::SpellCastTargets()
{
m_unitTarget = NULL;
m_itemTarget = NULL;
m_GOTarget = NULL;
m_itemTargetEntry = 0;
m_srcX = m_srcY = m_srcZ = m_destX = m_destY = m_destZ = 0.0f;
m_strTarget = "";
m_targetMask = 0;
}
SpellCastTargets::~SpellCastTargets()
{
}
void SpellCastTargets::setUnitTarget(Unit *target)
{
if (!target)
return;
m_destX = target->GetPositionX();
m_destY = target->GetPositionY();
m_destZ = target->GetPositionZ();
m_unitTarget = target;
m_unitTargetGUID = target->GetGUID();
m_targetMask |= TARGET_FLAG_UNIT;
}
void SpellCastTargets::setDestination(float x, float y, float z)
{
m_destX = x;
m_destY = y;
m_destZ = z;
m_targetMask |= TARGET_FLAG_DEST_LOCATION;
}
void SpellCastTargets::setSource(float x, float y, float z)
{
m_srcX = x;
m_srcY = y;
m_srcZ = z;
m_targetMask |= TARGET_FLAG_SOURCE_LOCATION;
}
void SpellCastTargets::setGOTarget(GameObject *target)
{
m_GOTarget = target;
m_GOTargetGUID = target->GetGUID();
// m_targetMask |= TARGET_FLAG_OBJECT;
}
void SpellCastTargets::setItemTarget(Item* item)
{
if(!item)
return;
m_itemTarget = item;
m_itemTargetGUID = item->GetGUID();
m_itemTargetEntry = item->GetEntry();
m_targetMask |= TARGET_FLAG_ITEM;
}
void SpellCastTargets::setTradeItemTarget(Player* caster)
{
m_itemTargetGUID = ObjectGuid(uint64(TRADE_SLOT_NONTRADED));
m_itemTargetEntry = 0;
m_targetMask |= TARGET_FLAG_TRADE_ITEM;
Update(caster);
}
void SpellCastTargets::setCorpseTarget(Corpse* corpse)
{
m_CorpseTargetGUID = corpse->GetGUID();
}
void SpellCastTargets::Update(Unit* caster)
{
m_GOTarget = !m_GOTargetGUID.IsEmpty() ? caster->GetMap()->GetGameObject(m_GOTargetGUID) : NULL;
m_unitTarget = !m_unitTargetGUID.IsEmpty() ?
( m_unitTargetGUID == caster->GetObjectGuid() ? caster : ObjectAccessor::GetUnit(*caster, m_unitTargetGUID) ) :
NULL;
m_itemTarget = NULL;
if (caster->GetTypeId() == TYPEID_PLAYER)
{
Player *player = ((Player*)caster);
if (m_targetMask & TARGET_FLAG_ITEM)
m_itemTarget = player->GetItemByGuid(m_itemTargetGUID);
else if (m_targetMask & TARGET_FLAG_TRADE_ITEM)
{
if (TradeData* pTrade = player->GetTradeData())
if (m_itemTargetGUID.GetRawValue() < TRADE_SLOT_COUNT)
m_itemTarget = pTrade->GetTraderData()->GetItem(TradeSlots(m_itemTargetGUID.GetRawValue()));
}
if (m_itemTarget)
m_itemTargetEntry = m_itemTarget->GetEntry();
}
}
void SpellCastTargets::read( ByteBuffer& data, Unit *caster )
{
data >> m_targetMask;
if(m_targetMask == TARGET_FLAG_SELF)
{
m_destX = caster->GetPositionX();
m_destY = caster->GetPositionY();
m_destZ = caster->GetPositionZ();
m_unitTarget = caster;
m_unitTargetGUID = caster->GetGUID();
return;
}
// TARGET_FLAG_UNK2 is used for non-combat pets, maybe other?
if( m_targetMask & ( TARGET_FLAG_UNIT | TARGET_FLAG_UNK2 ))
data >> m_unitTargetGUID.ReadAsPacked();
if( m_targetMask & ( TARGET_FLAG_OBJECT ))
data >> m_GOTargetGUID.ReadAsPacked();
if(( m_targetMask & ( TARGET_FLAG_ITEM | TARGET_FLAG_TRADE_ITEM )) && caster->GetTypeId() == TYPEID_PLAYER)
data >> m_itemTargetGUID.ReadAsPacked();
if( m_targetMask & (TARGET_FLAG_CORPSE | TARGET_FLAG_PVP_CORPSE ) )
data >> m_CorpseTargetGUID.ReadAsPacked();
if (m_targetMask & TARGET_FLAG_SOURCE_LOCATION)
{
data >> m_srcTransportGUID.ReadAsPacked();
data >> m_srcX >> m_srcY >> m_srcZ;
if(!MaNGOS::IsValidMapCoord(m_srcX, m_srcY, m_srcZ))
throw ByteBufferException(false, data.rpos(), 0, data.size());
}
if (m_targetMask & TARGET_FLAG_DEST_LOCATION)
{
data >> m_destTransportGUID.ReadAsPacked();
data >> m_destX >> m_destY >> m_destZ;
if(!MaNGOS::IsValidMapCoord(m_destX, m_destY, m_destZ))
throw ByteBufferException(false, data.rpos(), 0, data.size());
}
if( m_targetMask & TARGET_FLAG_STRING )
data >> m_strTarget;
// find real units/GOs
Update(caster);
}
void SpellCastTargets::write( ByteBuffer& data ) const
{
data << uint32(m_targetMask);
if( m_targetMask & ( TARGET_FLAG_UNIT | TARGET_FLAG_PVP_CORPSE | TARGET_FLAG_OBJECT | TARGET_FLAG_CORPSE | TARGET_FLAG_UNK2 ) )
{
if(m_targetMask & TARGET_FLAG_UNIT)
{
if(m_unitTarget)
data << m_unitTarget->GetPackGUID();
else
data << uint8(0);
}
else if( m_targetMask & TARGET_FLAG_OBJECT )
{
if(m_GOTarget)
data << m_GOTarget->GetPackGUID();
else
data << uint8(0);
}
else if( m_targetMask & ( TARGET_FLAG_CORPSE | TARGET_FLAG_PVP_CORPSE ) )
data << m_CorpseTargetGUID.WriteAsPacked();
else
data << uint8(0);
}
if( m_targetMask & ( TARGET_FLAG_ITEM | TARGET_FLAG_TRADE_ITEM ) )
{
if(m_itemTarget)
data << m_itemTarget->GetPackGUID();
else
data << uint8(0);
}
if (m_targetMask & TARGET_FLAG_SOURCE_LOCATION)
{
data << m_srcTransportGUID.WriteAsPacked();
data << m_srcX << m_srcY << m_srcZ;
}
if (m_targetMask & TARGET_FLAG_DEST_LOCATION)
{
data << m_destTransportGUID.WriteAsPacked();
data << m_destX << m_destY << m_destZ;
}
if( m_targetMask & TARGET_FLAG_STRING )
data << m_strTarget;
}
Spell::Spell( Unit* caster, SpellEntry const *info, bool triggered, ObjectGuid originalCasterGUID, SpellEntry const* triggeredBy )
{
MANGOS_ASSERT( caster != NULL && info != NULL );
MANGOS_ASSERT( info == sSpellStore.LookupEntry( info->Id ) && "`info` must be pointer to sSpellStore element");
if (info->SpellDifficultyId && caster->GetTypeId() != TYPEID_PLAYER && caster->IsInWorld() && caster->GetMap()->IsDungeon())
{
if (SpellEntry const* spellEntry = GetSpellEntryByDifficulty(info->SpellDifficultyId, caster->GetMap()->GetDifficulty()))
m_spellInfo = spellEntry;
else
m_spellInfo = info;
}
else
m_spellInfo = info;
m_triggeredBySpellInfo = triggeredBy;
m_caster = caster;
m_selfContainer = NULL;
m_referencedFromCurrentSpell = false;
m_executedCurrently = false;
m_delayStart = 0;
m_delayAtDamageCount = 0;
m_applyMultiplierMask = 0;
// Get data for type of attack
m_attackType = GetWeaponAttackType(m_spellInfo);
m_spellSchoolMask = GetSpellSchoolMask(info); // Can be override for some spell (wand shoot for example)
if(m_attackType == RANGED_ATTACK)
{
// wand case
if((m_caster->getClassMask() & CLASSMASK_WAND_USERS) != 0 && m_caster->GetTypeId() == TYPEID_PLAYER)
{
if(Item* pItem = ((Player*)m_caster)->GetWeaponForAttack(RANGED_ATTACK))
m_spellSchoolMask = SpellSchoolMask(1 << pItem->GetProto()->Damage[0].DamageType);
}
}
// Set health leech amount to zero
m_healthLeech = 0;
if(!originalCasterGUID.IsEmpty())
m_originalCasterGUID = originalCasterGUID;
else
m_originalCasterGUID = m_caster->GetObjectGuid();
UpdateOriginalCasterPointer();
for(int i = 0; i < MAX_EFFECT_INDEX; ++i)
m_currentBasePoints[i] = m_spellInfo->CalculateSimpleValue(SpellEffectIndex(i));
m_spellState = SPELL_STATE_NULL;
m_castPositionX = m_castPositionY = m_castPositionZ = 0;
m_TriggerSpells.clear();
m_preCastSpells.clear();
m_IsTriggeredSpell = triggered;
//m_AreaAura = false;
m_CastItem = NULL;
unitTarget = NULL;
itemTarget = NULL;
gameObjTarget = NULL;
focusObject = NULL;
m_cast_count = 0;
m_glyphIndex = 0;
m_triggeredByAuraSpell = NULL;
//Auto Shot & Shoot (wand)
m_autoRepeat = IsAutoRepeatRangedSpell(m_spellInfo);
m_runesState = 0;
m_powerCost = 0; // setup to correct value in Spell::prepare, don't must be used before.
m_casttime = 0; // setup to correct value in Spell::prepare, don't must be used before.
m_timer = 0; // will set to cast time in prepare
m_needAliveTargetMask = 0;
// determine reflection
m_canReflect = false;
if(m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_MAGIC && !(m_spellInfo->AttributesEx2 & SPELL_ATTR_EX2_CANT_REFLECTED))
{
for(int j = 0; j < MAX_EFFECT_INDEX; ++j)
{
if (m_spellInfo->Effect[j] == 0)
continue;
if(!IsPositiveTarget(m_spellInfo->EffectImplicitTargetA[j], m_spellInfo->EffectImplicitTargetB[j]))
m_canReflect = true;
else
m_canReflect = (m_spellInfo->AttributesEx & SPELL_ATTR_EX_NEGATIVE) ? true : false;
if(m_canReflect)
continue;
else
break;
}
}
CleanupTargetList();
}
Spell::~Spell()
{
}
template<typename T>
WorldObject* Spell::FindCorpseUsing()
{
// non-standard target selection
SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
float max_range = GetSpellMaxRange(srange);
WorldObject* result = NULL;
T u_check(m_caster, max_range);
MaNGOS::WorldObjectSearcher<T> searcher(result, u_check);
Cell::VisitGridObjects(m_caster, searcher, max_range);
if (!result)
Cell::VisitWorldObjects(m_caster, searcher, max_range);
return result;
}
void Spell::FillTargetMap()
{
// TODO: ADD the correct target FILLS!!!!!!
for(int i = 0; i < MAX_EFFECT_INDEX; ++i)
{
// not call for empty effect.
// Also some spells use not used effect targets for store targets for dummy effect in triggered spells
if(m_spellInfo->Effect[i] == 0)
continue;
// targets for TARGET_SCRIPT_COORDINATES (A) and TARGET_SCRIPT
// for TARGET_FOCUS_OR_SCRIPTED_GAMEOBJECT (A) all is checked in Spell::CheckCast and in Spell::CheckItem
// filled in Spell::CheckCast call
if(m_spellInfo->EffectImplicitTargetA[i] == TARGET_SCRIPT_COORDINATES ||
m_spellInfo->EffectImplicitTargetA[i] == TARGET_SCRIPT ||
m_spellInfo->EffectImplicitTargetA[i] == TARGET_FOCUS_OR_SCRIPTED_GAMEOBJECT ||
(m_spellInfo->EffectImplicitTargetB[i] == TARGET_SCRIPT && m_spellInfo->EffectImplicitTargetA[i] != TARGET_SELF))
continue;
// TODO: find a way so this is not needed?
// for area auras always add caster as target (needed for totems for example)
if(IsAreaAuraEffect(m_spellInfo->Effect[i]))
AddUnitTarget(m_caster, SpellEffectIndex(i));
std::list<Unit*> tmpUnitMap;
// TargetA/TargetB dependent from each other, we not switch to full support this dependences
// but need it support in some know cases
switch(m_spellInfo->EffectImplicitTargetA[i])
{
case 0:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case 0:
SetTargetMap(SpellEffectIndex(i), TARGET_EFFECT_SELECT, tmpUnitMap);
break;
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
case TARGET_SELF:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case 0:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
break;
case TARGET_AREAEFFECT_INSTANT: // use B case that not dependent from from A in fact
if((m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION) == 0)
m_targets.setDestination(m_caster->GetPositionX(), m_caster->GetPositionY(), m_caster->GetPositionZ());
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
case TARGET_BEHIND_VICTIM: // use B case that not dependent from from A in fact
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
case TARGET_EFFECT_SELECT:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case 0:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
break;
case TARGET_INNKEEPER_COORDINATES:
case TARGET_TABLE_X_Y_Z_COORDINATES:
case TARGET_CASTER_COORDINATES:
case TARGET_SCRIPT_COORDINATES:
case TARGET_CURRENT_ENEMY_COORDINATES:
case TARGET_DUELVSPLAYER_COORDINATES:
case TARGET_DYNAMIC_OBJECT_COORDINATES:
case TARGET_POINT_AT_NORTH:
case TARGET_POINT_AT_SOUTH:
case TARGET_POINT_AT_EAST:
case TARGET_POINT_AT_WEST:
case TARGET_POINT_AT_NE:
case TARGET_POINT_AT_NW:
case TARGET_POINT_AT_SE:
case TARGET_POINT_AT_SW:
case TARGET_RANDOM_NEARBY_DEST:
// need some target for processing
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
case TARGET_CASTER_COORDINATES:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case TARGET_ALL_ENEMY_IN_AREA:
// Note: this hack with search required until GO casting not implemented
// environment damage spells already have around enemies targeting but this not help in case nonexistent GO casting support
// currently each enemy selected explicitly and self cast damage
if (m_spellInfo->Effect[i] == SPELL_EFFECT_ENVIRONMENTAL_DAMAGE)
{
if(m_targets.getUnitTarget())
tmpUnitMap.push_back(m_targets.getUnitTarget());
}
else
{
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
}
break;
case 0:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
tmpUnitMap.push_back(m_caster);
break;
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
case TARGET_TABLE_X_Y_Z_COORDINATES:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case 0:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
// need some target for processing
SetTargetMap(SpellEffectIndex(i), TARGET_EFFECT_SELECT, tmpUnitMap);
break;
case TARGET_AREAEFFECT_INSTANT: // All 17/7 pairs used for dest teleportation, A processed in effect code
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
case TARGET_SELF2:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case 0:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
break;
// most A/B target pairs is self->negative and not expect adding caster to target list
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
case TARGET_DUELVSPLAYER_COORDINATES:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case 0:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
if (Unit* currentTarget = m_targets.getUnitTarget())
tmpUnitMap.push_back(currentTarget);
break;
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
default:
switch(m_spellInfo->EffectImplicitTargetB[i])
{
case 0:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
break;
case TARGET_SCRIPT_COORDINATES: // B case filled in CheckCast but we need fill unit list base at A case
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
break;
default:
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetA[i], tmpUnitMap);
SetTargetMap(SpellEffectIndex(i), m_spellInfo->EffectImplicitTargetB[i], tmpUnitMap);
break;
}
break;
}
if(m_caster->GetTypeId() == TYPEID_PLAYER)
{
Player *me = (Player*)m_caster;
for (std::list<Unit*>::const_iterator itr = tmpUnitMap.begin(); itr != tmpUnitMap.end(); ++itr)
{
Unit *owner = (*itr)->GetOwner();
Unit *u = owner ? owner : (*itr);
if(u!=m_caster && u->IsPvP() && (!me->duel || me->duel->opponent != u))
{
me->UpdatePvP(true);
me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
break;
}
}
}
for (std::list<Unit*>::iterator itr = tmpUnitMap.begin(); itr != tmpUnitMap.end();)
{
if (!CheckTarget (*itr, SpellEffectIndex(i)))
{
itr = tmpUnitMap.erase(itr);
continue;
}
else
++itr;
}
for(std::list<Unit*>::const_iterator iunit = tmpUnitMap.begin(); iunit != tmpUnitMap.end(); ++iunit)
AddUnitTarget((*iunit), SpellEffectIndex(i));
}
}
void Spell::prepareDataForTriggerSystem()
{
//==========================================================================================
// Now fill data for trigger system, need know:
// an spell trigger another or not ( m_canTrigger )
// Create base triggers flags for Attacker and Victim ( m_procAttacker and m_procVictim)
//==========================================================================================
// Fill flag can spell trigger or not
// TODO: possible exist spell attribute for this
m_canTrigger = false;
if (m_CastItem)
m_canTrigger = false; // Do not trigger from item cast spell
else if (!m_IsTriggeredSpell)
m_canTrigger = true; // Normal cast - can trigger
else if (!m_triggeredByAuraSpell)
m_canTrigger = true; // Triggered from SPELL_EFFECT_TRIGGER_SPELL - can trigger
if (!m_canTrigger) // Exceptions (some periodic triggers)
{
switch (m_spellInfo->SpellFamilyName)
{
case SPELLFAMILY_MAGE:
// Arcane Missles / Blizzard triggers need do it
if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0000000000200080))
m_canTrigger = true;
// Clearcasting trigger need do it
else if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0000000200000000) && m_spellInfo->SpellFamilyFlags2 & 0x8)
m_canTrigger = true;
// Replenish Mana, item spell with triggered cases (Mana Agate, etc mana gems)
else if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0000010000000000))
m_canTrigger = true;
break;
case SPELLFAMILY_WARLOCK:
// For Hellfire Effect / Rain of Fire / Seed of Corruption triggers need do it
if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0000800000000060))
m_canTrigger = true;
break;
case SPELLFAMILY_PRIEST:
// For Penance,Mind Sear,Mind Flay heal/damage triggers need do it
if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0001800000800000) || (m_spellInfo->SpellFamilyFlags2 & 0x00000040))
m_canTrigger = true;
break;
case SPELLFAMILY_ROGUE:
// For poisons need do it
if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x000000101001E000))
m_canTrigger = true;
break;
case SPELLFAMILY_HUNTER:
// Hunter Rapid Killing/Explosive Trap Effect/Immolation Trap Effect/Frost Trap Aura/Snake Trap Effect/Explosive Shot
if ((m_spellInfo->SpellFamilyFlags & UI64LIT(0x0100200000000214)) ||
m_spellInfo->SpellFamilyFlags2 & 0x200)
m_canTrigger = true;
break;
case SPELLFAMILY_PALADIN:
// For Judgements (all) / Holy Shock triggers need do it
if (m_spellInfo->SpellFamilyFlags & UI64LIT(0x0001000900B80400))
m_canTrigger = true;
break;
default:
break;
}
}
// Get data for type of attack and fill base info for trigger
switch (m_spellInfo->DmgClass)
{
case SPELL_DAMAGE_CLASS_MELEE:
m_procAttacker = PROC_FLAG_SUCCESSFUL_MELEE_SPELL_HIT;
if (m_attackType == OFF_ATTACK)
m_procAttacker |= PROC_FLAG_SUCCESSFUL_OFFHAND_HIT;
m_procVictim = PROC_FLAG_TAKEN_MELEE_SPELL_HIT;
break;
case SPELL_DAMAGE_CLASS_RANGED:
// Auto attack
if (m_spellInfo->AttributesEx2 & SPELL_ATTR_EX2_AUTOREPEAT_FLAG)
{
m_procAttacker = PROC_FLAG_SUCCESSFUL_RANGED_HIT;
m_procVictim = PROC_FLAG_TAKEN_RANGED_HIT;
}
else // Ranged spell attack
{
m_procAttacker = PROC_FLAG_SUCCESSFUL_RANGED_SPELL_HIT;
m_procVictim = PROC_FLAG_TAKEN_RANGED_SPELL_HIT;
}
break;
default:
if (IsPositiveSpell(m_spellInfo->Id)) // Check for positive spell
{
m_procAttacker = PROC_FLAG_SUCCESSFUL_POSITIVE_SPELL;
m_procVictim = PROC_FLAG_TAKEN_POSITIVE_SPELL;
}
else if (m_spellInfo->AttributesEx2 & SPELL_ATTR_EX2_AUTOREPEAT_FLAG) // Wands auto attack
{
m_procAttacker = PROC_FLAG_SUCCESSFUL_RANGED_HIT;
m_procVictim = PROC_FLAG_TAKEN_RANGED_HIT;
}
else // Negative spell
{
m_procAttacker = PROC_FLAG_SUCCESSFUL_NEGATIVE_SPELL_HIT;
m_procVictim = PROC_FLAG_TAKEN_NEGATIVE_SPELL_HIT;
}
break;
}
// some negative spells have positive effects to another or same targets
// avoid triggering negative hit for only positive targets
m_negativeEffectMask = 0x0;
for (int i = 0; i < MAX_EFFECT_INDEX; ++i)
if (!IsPositiveEffect(m_spellInfo->Id, SpellEffectIndex(i)))
m_negativeEffectMask |= (1<<i);
// Hunter traps spells (for Entrapment trigger)
// Gives your Immolation Trap, Frost Trap, Explosive Trap, and Snake Trap ....
if (m_spellInfo->SpellFamilyName == SPELLFAMILY_HUNTER && (m_spellInfo->SpellFamilyFlags & UI64LIT(0x000020000000001C)))
m_procAttacker |= PROC_FLAG_ON_TRAP_ACTIVATION;
}
void Spell::CleanupTargetList()
{
m_UniqueTargetInfo.clear();
m_UniqueGOTargetInfo.clear();
m_UniqueItemInfo.clear();
m_delayMoment = 0;
}
void Spell::AddUnitTarget(Unit* pVictim, SpellEffectIndex effIndex)
{
if( m_spellInfo->Effect[effIndex] == 0 )
return;
// Check for effect immune skip if immuned
bool immuned = pVictim->IsImmuneToSpellEffect(m_spellInfo, effIndex);
ObjectGuid targetGUID = pVictim->GetObjectGuid();
// Lookup target in already in list
for(std::list<TargetInfo>::iterator ihit = m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end(); ++ihit)
{
if (targetGUID == ihit->targetGUID) // Found in list
{
if (!immuned)
ihit->effectMask |= (1 << effIndex); // Add only effect mask if not immuned
return;
}
}
// This is new target calculate data for him
// Get spell hit result on target
TargetInfo target;
target.targetGUID = targetGUID; // Store target GUID
target.effectMask = immuned ? 0 : (1 << effIndex); // Store index of effect if not immuned
target.processed = false; // Effects not apply on target
// Calculate hit result
target.missCondition = m_caster->SpellHitResult(pVictim, m_spellInfo, m_canReflect);
// spell fly from visual cast object
WorldObject* affectiveObject = GetAffectiveCasterObject();
// Spell have speed - need calculate incoming time
if (m_spellInfo->speed > 0.0f && affectiveObject && pVictim != affectiveObject)
{
// calculate spell incoming interval
float dist = affectiveObject->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
if (dist < 5.0f)
dist = 5.0f;
target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
// Calculate minimum incoming time
if (m_delayMoment == 0 || m_delayMoment>target.timeDelay)
m_delayMoment = target.timeDelay;
}
else
target.timeDelay = UI64LIT(0);
// If target reflect spell back to caster
if (target.missCondition == SPELL_MISS_REFLECT)
{
// Calculate reflected spell result on caster
target.reflectResult = m_caster->SpellHitResult(m_caster, m_spellInfo, m_canReflect);
if (target.reflectResult == SPELL_MISS_REFLECT) // Impossible reflect again, so simply deflect spell
target.reflectResult = SPELL_MISS_PARRY;
// Increase time interval for reflected spells by 1.5
target.timeDelay += target.timeDelay >> 1;
}
else
target.reflectResult = SPELL_MISS_NONE;
// Add target to list
m_UniqueTargetInfo.push_back(target);
}
void Spell::AddUnitTarget(uint64 unitGUID, SpellEffectIndex effIndex)
{
Unit* unit = m_caster->GetGUID() == unitGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, unitGUID);
if (unit)
AddUnitTarget(unit, effIndex);
}
void Spell::AddGOTarget(GameObject* pVictim, SpellEffectIndex effIndex)
{
if( m_spellInfo->Effect[effIndex] == 0 )
return;
ObjectGuid targetGUID = pVictim->GetObjectGuid();
// Lookup target in already in list
for(std::list<GOTargetInfo>::iterator ihit = m_UniqueGOTargetInfo.begin(); ihit != m_UniqueGOTargetInfo.end(); ++ihit)
{
if (targetGUID == ihit->targetGUID) // Found in list
{
ihit->effectMask |= (1 << effIndex); // Add only effect mask
return;
}
}
// This is new target calculate data for him
GOTargetInfo target;
target.targetGUID = targetGUID;
target.effectMask = (1 << effIndex);
target.processed = false; // Effects not apply on target
// spell fly from visual cast object
WorldObject* affectiveObject = GetAffectiveCasterObject();
// Spell have speed - need calculate incoming time
if (m_spellInfo->speed > 0.0f && affectiveObject && pVictim != affectiveObject)
{
// calculate spell incoming interval
float dist = affectiveObject->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
if (dist < 5.0f)
dist = 5.0f;
target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
if (m_delayMoment == 0 || m_delayMoment > target.timeDelay)
m_delayMoment = target.timeDelay;
}
else
target.timeDelay = UI64LIT(0);
// Add target to list
m_UniqueGOTargetInfo.push_back(target);
}
void Spell::AddGOTarget(uint64 goGUID, SpellEffectIndex effIndex)
{
GameObject* go = m_caster->GetMap()->GetGameObject(goGUID);
if (go)
AddGOTarget(go, effIndex);
}
void Spell::AddItemTarget(Item* pitem, SpellEffectIndex effIndex)
{
if( m_spellInfo->Effect[effIndex] == 0 )
return;
// Lookup target in already in list
for(std::list<ItemTargetInfo>::iterator ihit = m_UniqueItemInfo.begin(); ihit != m_UniqueItemInfo.end(); ++ihit)
{
if (pitem == ihit->item) // Found in list
{
ihit->effectMask |= (1 << effIndex); // Add only effect mask
return;
}
}
// This is new target add data
ItemTargetInfo target;
target.item = pitem;
target.effectMask = (1 << effIndex);
m_UniqueItemInfo.push_back(target);
}
void Spell::DoAllEffectOnTarget(TargetInfo *target)
{
if (target->processed) // Check target
return;
target->processed = true; // Target checked in apply effects procedure
// Get mask of effects for target
uint32 mask = target->effectMask;
Unit* unit = m_caster->GetObjectGuid() == target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, target->targetGUID);
if (!unit)
return;
// Get original caster (if exist) and calculate damage/healing from him data
Unit *real_caster = GetAffectiveCaster();
// FIXME: in case wild GO heal/damage spells will be used target bonuses
Unit *caster = real_caster ? real_caster : m_caster;
SpellMissInfo missInfo = target->missCondition;
// Need init unitTarget by default unit (can changed in code on reflect)
// Or on missInfo!=SPELL_MISS_NONE unitTarget undefined (but need in trigger subsystem)
unitTarget = unit;
// Reset damage/healing counter
ResetEffectDamageAndHeal();
// Fill base trigger info
uint32 procAttacker = m_procAttacker;
uint32 procVictim = m_procVictim;
uint32 procEx = PROC_EX_NONE;
// drop proc flags in case target not affected negative effects in negative spell
// for example caster bonus or animation,
// except miss case where will assigned PROC_EX_* flags later
if (((procAttacker | procVictim) & NEGATIVE_TRIGGER_MASK) &&
!(target->effectMask & m_negativeEffectMask) && missInfo == SPELL_MISS_NONE)
{
procAttacker = PROC_FLAG_NONE;
procVictim = PROC_FLAG_NONE;
}
if (m_spellInfo->speed > 0)
{
// mark effects that were already handled in Spell::HandleDelayedSpellLaunch on spell launch as processed
for (int32 i = 0; i < MAX_EFFECT_INDEX; ++i)
if (IsEffectHandledOnDelayedSpellLaunch(m_spellInfo, SpellEffectIndex(i)))
mask &= ~(1<<i);
// maybe used in effects that are handled on hit
m_damage += target->damage;
}
if (missInfo==SPELL_MISS_NONE) // In case spell hit target, do all effect on that target
DoSpellHitOnUnit(unit, mask);
else if (missInfo == SPELL_MISS_REFLECT) // In case spell reflect from target, do all effect on caster (if hit)
{
if (target->reflectResult == SPELL_MISS_NONE) // If reflected spell hit caster -> do all effect on him
DoSpellHitOnUnit(m_caster, mask);
}
// All calculated do it!
// Do healing and triggers