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Spell.cpp
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Spell.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 "Spells/Spell.h"
#include "Database/DatabaseEnv.h"
#include "WorldPacket.h"
#include "Server/WorldSession.h"
#include "Grids/GridNotifiers.h"
#include "Grids/GridNotifiersImpl.h"
#include "Server/Opcodes.h"
#include "Log.h"
#include "World/World.h"
#include "Globals/ObjectMgr.h"
#include "Spells/SpellMgr.h"
#include "Entities/Player.h"
#include "Entities/Pet.h"
#include "Entities/Unit.h"
#include "Entities/DynamicObject.h"
#include "Groups/Group.h"
#include "Entities/UpdateData.h"
#include "Globals/ObjectAccessor.h"
#include "Grids/CellImpl.h"
#include "Policies/Singleton.h"
#include "Globals/SharedDefines.h"
#include "Loot/LootMgr.h"
#include "Vmap/VMapFactory.h"
#include "BattleGround/BattleGround.h"
#include "Util.h"
#include "Chat/Chat.h"
#include "Entities/Vehicle.h"
#include "Entities/TemporarySpawn.h"
#include "Server/SQLStorages.h"
#include "MotionGenerators/PathFinder.h"
#include "Spells/Scripts/SpellScript.h"
#include "Entities/ObjectGuid.h"
#include "Entities/Transports.h"
extern pEffect SpellEffects[MAX_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 = sSpellTemplate.LookupEntry<SpellEntry>(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 class
// **********************
SpellCastTargets::SpellCastTargets()
{
m_unitTarget = nullptr;
m_itemTarget = nullptr;
m_GOTarget = nullptr;
m_CorpseTarget = nullptr;
m_itemTargetEntry = 0;
m_strTarget.clear();
m_targetMask = 0;
m_elevation = 0.0f;
m_speed = 0.0f;
m_mapId = UINT32_MAX;
}
SpellCastTargets::~SpellCastTargets()
{
}
void SpellCastTargets::setUnitTarget(Unit* target)
{
if (!target)
return;
m_destPos = target->GetPosition();
m_unitTarget = target;
m_unitTargetGUID = target->GetObjectGuid();
m_targetMask |= TARGET_FLAG_UNIT;
}
void SpellCastTargets::setDestination(float x, float y, float z)
{
m_destPos.x = x;
m_destPos.y = y;
m_destPos.z = z;
m_targetMask |= TARGET_FLAG_DEST_LOCATION;
}
void SpellCastTargets::setSource(float x, float y, float z)
{
m_srcPos.x = x;
m_srcPos.y = y;
m_srcPos.z = z;
m_targetMask |= TARGET_FLAG_SOURCE_LOCATION;
}
void SpellCastTargets::setGOTarget(GameObject* target)
{
m_GOTarget = target;
m_GOTargetGUID = target->GetObjectGuid();
// m_targetMask |= TARGET_FLAG_GAMEOBJECT;
}
void SpellCastTargets::setItemTarget(Item* item)
{
if (!item)
return;
m_itemTarget = item;
m_itemTargetGUID = item->GetObjectGuid();
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_CorpseTarget = corpse;
m_CorpseTargetGUID = corpse->GetObjectGuid();
}
void SpellCastTargets::Update(Unit* caster)
{
m_GOTarget = m_GOTargetGUID ? caster->GetMap()->GetGameObject(m_GOTargetGUID) : nullptr;
m_unitTarget = m_unitTargetGUID ?
(m_unitTargetGUID == caster->GetObjectGuid() ? caster : ObjectAccessor::GetUnit(*caster, m_unitTargetGUID)) :
nullptr;
m_itemTarget = nullptr;
m_CorpseTarget = ObjectAccessor::GetCorpseInMap(m_CorpseTargetGUID, caster->GetMapId());
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();
}
if (m_srcTransportGUID)
{
if (GenericTransport* transport = caster->GetMap()->GetTransport(m_srcTransportGUID))
{
Position temp = m_srcTransportPos;
transport->CalculatePassengerPosition(temp.x, temp.y, temp.z, &temp.o);
m_srcPos = temp;
}
}
if (m_destTransportGUID)
{
if (GenericTransport* transport = caster->GetMap()->GetTransport(m_destTransportGUID))
{
Position temp = m_destTransportPos;
transport->CalculatePassengerPosition(temp.x, temp.y, temp.z, &temp.o);
m_destPos = temp;
}
}
}
void SpellCastTargets::read(ByteBuffer& data, Unit* caster)
{
data >> m_targetMask;
if (m_targetMask == TARGET_FLAG_SELF)
return;
// TARGET_FLAG_UNIT_MINIPET is used for non-combat pets, maybe other?
if (m_targetMask & (TARGET_FLAG_UNIT | TARGET_FLAG_UNIT_MINIPET | TARGET_FLAG_UNIT_ENEMY))
data >> m_unitTargetGUID.ReadAsPacked();
if (m_targetMask & (TARGET_FLAG_GAMEOBJECT | TARGET_FLAG_LOCKED))
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_ALLY | TARGET_FLAG_CORPSE_ENEMY))
data >> m_CorpseTargetGUID.ReadAsPacked();
if (m_targetMask & TARGET_FLAG_SOURCE_LOCATION)
{
data >> m_srcTransportGUID.ReadAsPacked();
if (m_srcTransportGUID)
{
data >> m_srcTransportPos.x >> m_srcTransportPos.y >> m_srcTransportPos.z;
m_srcPos = m_srcTransportPos;
if (GenericTransport* transport = caster->GetMap()->GetTransport(m_srcTransportGUID))
transport->CalculatePassengerPosition(m_srcPos.x, m_srcPos.y, m_srcPos.z, &m_srcPos.o);
}
else
data >> m_srcPos.x >> m_srcPos.y >> m_srcPos.z;
if (!MaNGOS::IsValidMapCoord(m_srcPos.x, m_srcPos.y, m_srcPos.z))
throw ByteBufferException(false, data.rpos(), 0, data.size());
}
if (m_targetMask & TARGET_FLAG_DEST_LOCATION)
{
data >> m_destTransportGUID.ReadAsPacked();
if (m_destTransportGUID)
{
data >> m_destTransportPos.x >> m_destTransportPos.y >> m_destTransportPos.z;
m_destPos = m_destTransportPos;
if (GenericTransport* transport = caster->GetMap()->GetTransport(m_destTransportGUID))
transport->CalculatePassengerPosition(m_destPos.x, m_destPos.y, m_destPos.z, &m_destPos.o);
}
else
data >> m_destPos.x >> m_destPos.y >> m_destPos.z;
if (!MaNGOS::IsValidMapCoord(m_destPos.x, m_destPos.y, m_destPos.z))
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_CORPSE_ENEMY | TARGET_FLAG_GAMEOBJECT | TARGET_FLAG_CORPSE_ALLY | TARGET_FLAG_UNIT_MINIPET))
{
if (m_targetMask & TARGET_FLAG_UNIT)
{
if (m_unitTarget)
data << m_unitTarget->GetPackGUID();
else
data << uint8(0);
}
else if (m_targetMask & TARGET_FLAG_GAMEOBJECT)
{
if (m_GOTarget)
data << m_GOTarget->GetPackGUID();
else
data << uint8(0);
}
else if (m_targetMask & (TARGET_FLAG_CORPSE_ALLY | TARGET_FLAG_CORPSE_ENEMY))
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_srcPos.x << m_srcPos.y << m_srcPos.z;
}
if (m_targetMask & TARGET_FLAG_DEST_LOCATION)
{
data << m_destTransportGUID.WriteAsPacked();
data << m_destPos.x << m_destPos.y << m_destPos.z;
}
if (m_targetMask & TARGET_FLAG_STRING)
data << m_strTarget;
}
// SpellLog class
// **************
void SpellLog::Initialize()
{
m_spellLogData.Initialize(SMSG_SPELLLOGEXECUTE);
//m_spellLogData << m_spell->GetCaster()->GetPackGUID();
m_spellLogData.appendPackGUID(m_spell->GetCaster()->GetObjectGuid().GetRawValue());
m_spellLogData << uint32(m_spell->m_spellInfo->Id);
m_spellLogDataEffectsCounterPos = m_spellLogData.wpos();
m_spellLogData << uint32(0); //placeholder
m_spellLogDataEffectsCounter = 0;
}
void SpellLog::FinalizePrevious()
{
if (m_currentEffect < uint32(MAX_SPELL_EFFECTS))
{
// not first effect processed so we have to finalize the previous one by putting correct amount of targets
m_spellLogData.put<uint32>(m_spellLogDataTargetsCounterPos, m_spellLogDataTargetsCounter);
m_currentEffect = uint32(MAX_SPELL_EFFECTS);
}
}
void SpellLog::SetCurrentEffect(uint32 effect)
{
// check if its same effect so we don't have to put header
if (effect == m_currentEffect)
{
++m_spellLogDataTargetsCounter;
return;
}
FinalizePrevious();
m_spellLogData << effect;
m_spellLogDataTargetsCounterPos = m_spellLogData.wpos();
m_spellLogData << uint32(0); // placeholder for target counter
m_currentEffect = effect;
m_spellLogDataTargetsCounter = 1;
}
void SpellLog::SendToSet()
{
if (!m_spellLogDataEffectsCounter)
return;
// check if one of previous target is not finalized
FinalizePrevious();
// put total effect counter in packet
m_spellLogData.put<uint32>(m_spellLogDataEffectsCounterPos, m_spellLogDataEffectsCounter);
m_spell->GetCaster()->SendMessageToSet(m_spellLogData, true);
// make it ready for another log if need
Initialize();
}
// Spell class
// ***********
Spell::Spell(WorldObject * caster, SpellEntry const* info, uint32 triggeredFlags, ObjectGuid originalCasterGUID, SpellEntry const* triggeredBy) :
m_spellLog(this), m_spellScript(SpellScriptMgr::GetSpellScript(info->Id)), m_spellEvent(nullptr), m_auraScript(SpellScriptMgr::GetAuraScript(info->Id)),
m_partialApplicationMask(0), m_param1(0), m_param2(0), m_trueCaster(caster)
{
MANGOS_ASSERT(caster != nullptr && info != nullptr);
MANGOS_ASSERT(info == sSpellTemplate.LookupEntry<SpellEntry>(info->Id) && "`info` must be pointer to sSpellTemplate element");
if (info->SpellDifficultyId && caster->IsInWorld() && caster->GetMap()->IsDungeon())
{
if (SpellEntry const* spellEntry = GetSpellEntryByDifficulty(info->SpellDifficultyId, caster->GetMap()->GetDifficulty(), caster->GetMap()->IsRaid()))
m_spellInfo = spellEntry;
else
m_spellInfo = info;
}
else
m_spellInfo = info;
m_triggeredBySpellInfo = triggeredBy;
m_caster = dynamic_cast<Unit*>(caster);
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)
// wand case
if (m_attackType == RANGED_ATTACK)
if (!!(m_caster->getClassMask() & CLASSMASK_WAND_USERS) && m_caster->GetTypeId() == TYPEID_PLAYER)
m_spellSchoolMask = m_caster->GetRangedDamageSchoolMask();
// Set health leech amount to zero
m_healthLeech = 0;
m_originalCasterGUID = originalCasterGUID ? 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_CREATED;
m_castPositionX = m_castPositionY = m_castPositionZ = 0;
m_TriggerSpells.clear();
m_preCastSpells.clear();
m_IsTriggeredSpell = triggeredFlags & TRIGGERED_OLD_TRIGGERED;
// m_AreaAura = false;
m_CastItem = nullptr;
unitTarget = nullptr;
itemTarget = nullptr;
gameObjTarget = nullptr;
corpseTarget = nullptr;
focusObject = nullptr;
m_cast_count = 0;
m_glyphIndex = 0;
m_triggeredByAuraSpell = nullptr;
m_spellAuraHolder = nullptr;
// 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_duration = 0;
m_maxRange = 0.f;
m_needAliveTargetMask = 0;
m_ignoreHitResult = (triggeredFlags & TRIGGERED_IGNORE_HIT_CALCULATION) != 0;
m_ignoreUnselectableTarget = m_IsTriggeredSpell || ((triggeredFlags & TRIGGERED_IGNORE_UNSELECTABLE_FLAG) != 0);
m_ignoreCastTime = (triggeredFlags & TRIGGERED_INSTANT_CAST) != 0;
m_ignoreUnattackableTarget = (triggeredFlags & TRIGGERED_IGNORE_UNATTACKABLE_FLAG) != 0;
m_triggerAutorepeat = (triggeredFlags & TRIGGERED_AUTOREPEAT) != 0;
m_doNotProc = (triggeredFlags & TRIGGERED_DO_NOT_PROC) != 0;
m_petCast = (triggeredFlags & TRIGGERED_PET_CAST) != 0;
m_notifyAI = (triggeredFlags & TRIGGERED_NORMAL_COMBAT_CAST) != 0;
m_ignoreGCD = m_IsTriggeredSpell || ((triggeredFlags & TRIGGERED_IGNORE_GCD) != 0);
m_ignoreCosts = m_IsTriggeredSpell || ((triggeredFlags & TRIGGERED_IGNORE_COSTS) != 0);
m_ignoreCooldowns = m_IsTriggeredSpell || ((triggeredFlags & TRIGGERED_IGNORE_COOLDOWNS) != 0);
m_ignoreConcurrentCasts = m_IsTriggeredSpell || ((triggeredFlags & TRIGGERED_IGNORE_CURRENT_CASTED_SPELL) != 0) || m_spellInfo->HasAttribute(SPELL_ATTR_EX4_CAN_CAST_WHILE_CASTING);
m_hideInCombatLog = (m_IsTriggeredSpell && !IsAutoRepeatRangedSpell(m_spellInfo)) || ((triggeredFlags & TRIGGERED_HIDE_CAST_IN_COMBAT_LOG) != 0);
m_clientCast = false;
m_reflectable = IsReflectableSpell(m_spellInfo);
m_spellFlags = SPELL_FLAG_NORMAL;
m_affectedTargetCount = GetAffectedTargets(m_spellInfo, caster);
m_jumpRadius = SpellTargetMgr::GetJumpRadius(m_spellInfo->Id);
memcpy(m_filteringScheme, SpellTargetMgr::GetSpellTargetingData(m_spellInfo->Id).filteringScheme, sizeof(m_filteringScheme));
m_scriptValue = 0;
CleanupTargetList();
m_spellLog.Initialize();
m_needSpellLog = (m_spellInfo->Attributes & (SPELL_ATTR_HIDE_IN_COMBAT_LOG | SPELL_ATTR_HIDDEN_CLIENTSIDE)) == 0;
m_targetlessMask = 0;
OnInit();
}
Spell::~Spell()
{
if (m_CastItem)
m_CastItem->SetUsedInSpell(false);
}
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 = nullptr;
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!!!!!!
TempTargetingData targetingData;
uint8 effToIndex[MAX_EFFECT_INDEX] = {0, 1, 2}; // Helper array, to link to another tmpUnitList, if the targets for both effects match
for (uint32 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] == SPELL_EFFECT_NONE)
continue;
auto& data = SpellTargetMgr::GetSpellTargetingData(m_spellInfo->Id);
SpellTargetImplicitType effectTargetType = data.implicitType[i]; // prefilled data on load
auto& targetMask = data.targetMask[i];
auto& ignoredTargets = data.ignoredTargets[i];
auto& filterScheme = m_filteringScheme[i];
targetingData.chainTargetCount[i] = m_spellInfo->EffectChainTarget[SpellEffectIndex(i)];
if (effectTargetType == TARGET_TYPE_SPECIAL_UNIT) // area auras need custom handling
{
uint32 targetA = m_spellInfo->EffectImplicitTargetA[i];
uint32 targetB = m_spellInfo->EffectImplicitTargetB[i];
bool hadTarget = false;
// need to pick a single unit target if existant and use it for area aura owner
if (targetA && !ignoredTargets.first)
{
if (SpellTargetInfoTable[targetA].type == TARGET_TYPE_UNIT && SpellTargetInfoTable[targetA].enumerator == TARGET_ENUMERATOR_SINGLE)
hadTarget = true;
SetTargetMap(SpellEffectIndex(i), targetA, false, targetingData);
}
if (targetB && !ignoredTargets.second)
{
if (SpellTargetInfoTable[targetB].type == TARGET_TYPE_UNIT && SpellTargetInfoTable[targetB].enumerator == TARGET_ENUMERATOR_SINGLE)
hadTarget = true;
if (SpellTargetInfoTable[targetB].enumerator != TARGET_ENUMERATOR_AOE)
SetTargetMap(SpellEffectIndex(i), targetB, true, targetingData);
}
if (!hadTarget) // if no single targeting available use caster as default
targetingData.data[i].tmpUnitList[false].push_back(m_caster);
}
else
{
uint32 targetA = m_spellInfo->EffectImplicitTargetA[i];
uint32 targetB = m_spellInfo->EffectImplicitTargetB[i];
if (targetA == TARGET_NONE && targetB == TARGET_NONE)
{
// if no targeting available, attempt to use entry mask
if (m_spellInfo->Targets && SpellTargetMgr::CanEffectBeFilledWithMask(m_spellInfo->Id, i, m_spellInfo->Targets))
FillFromTargetFlags(targetingData, SpellEffectIndex(i));
else if (uint32 defaultTarget = SpellEffectInfoTable[m_spellInfo->Effect[i]].defaultTarget) // else resort to default effect type if it exists
SetTargetMap(SpellEffectIndex(i), defaultTarget, false, targetingData);
}
else // normal case, use existing spell data
{
if (targetA && !ignoredTargets.first)
SetTargetMap(SpellEffectIndex(i), targetA, false, targetingData);
if (targetB && !ignoredTargets.second)
SetTargetMap(SpellEffectIndex(i), targetB, true, targetingData);
if (effectTargetType == TARGET_TYPE_UNIT_DEST) // special case - no unit target, but need to check for valid units
if (SpellTargetInfoTable[targetA].type != TARGET_TYPE_UNIT && SpellTargetInfoTable[targetB].type != TARGET_TYPE_UNIT) // no fill for unit out of targets
FillFromTargetFlags(targetingData, SpellEffectIndex(i)); // inefficient call, very rare, less code duplicity
if (effectTargetType == TARGET_TYPE_LOCATION_TRAJ && (m_targets.m_targetMask & TARGET_FLAG_SOURCE_LOCATION) == 0)
if (WorldObject* caster = GetCastingObject())
m_targets.setSource(caster->GetPositionX(), caster->GetPositionY(), caster->GetPositionZ());
}
}
bool processedUnits = false; // TODO: implement adding of executionless targets which are not immune to SMSG_SPELL_GO
bool processedGOs = false; // likely purpose - animations
switch (effectTargetType)
{
case TARGET_TYPE_NONE:
m_targetlessMask |= (1 << i);
break;
case TARGET_TYPE_LOCATION_DEST:
case TARGET_TYPE_SPECIAL_DEST:
case TARGET_TYPE_LOCATION_TRAJ:
OnDestTarget();
AddDestExecution(SpellEffectIndex(i));
break;
case TARGET_TYPE_CORPSE: // can be unit and corpse
if (!targetingData.data[i].tempCorpseList.empty())
{
CorpseList& corpseTargetList = targetingData.data[i].tempCorpseList;
uint8 effectMask = targetMask[0] | targetMask[1];
for (Corpse* corpse : corpseTargetList)
AddCorpseTarget(corpse, effectMask);
}
case TARGET_TYPE_UNIT:
case TARGET_TYPE_UNIT_DEST:
case TARGET_TYPE_PLAYER: // for now player handled here
case TARGET_TYPE_SPECIAL_UNIT:
if (effectTargetType == TARGET_TYPE_UNIT_DEST)
OnDestTarget();
processedUnits = true;
for (uint8 rightTarget = 0; rightTarget < 2; ++rightTarget) // need to process target A and B separately due to effect masks
{
UnitList& unitTargetList = targetingData.data[i].tmpUnitList[rightTarget];
uint8 effectMask = targetMask[rightTarget];
SpellTargetFilterScheme scheme = filterScheme[rightTarget];
if (!unitTargetList.empty()) // Unit case
{
for (auto itr = unitTargetList.begin(); itr != unitTargetList.end();)
{
if (!CheckTarget(*itr, SpellEffectIndex(i), bool(rightTarget), CheckException(targetingData.magnet)))
itr = unitTargetList.erase(itr);
else
++itr;
}
// Special target filter before adding targets to list
FilterTargetMap(unitTargetList, scheme, targetingData.chainTargetCount[i]);
if (m_caster->GetTypeId() == TYPEID_PLAYER)
{
Player* me = (Player*)m_caster;
for (auto itr = unitTargetList.begin(); itr != unitTargetList.end(); ++itr)
{
Player* targetOwner = (*itr)->GetBeneficiaryPlayer();
if (targetOwner && targetOwner != me && targetOwner->IsPvP() && !me->IsInDuelWith(targetOwner))
{
me->UpdatePvP(true);
me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
break;
}
}
}
}
for (Unit* unit : unitTargetList)
AddUnitTarget(unit, effectMask);
}
break;
case TARGET_TYPE_LOCK:
case TARGET_TYPE_ITEM:
if (targetingData.data[i].tempItemList.size() > 0) // Item case
for (Item* item : targetingData.data[i].tempItemList)
AddItemTarget(item, targetMask[0]); // no spell in all of vanilla through wotlk has item target in B
if (effectTargetType == TARGET_TYPE_ITEM)
break;
// [[fallthrough]]
case TARGET_TYPE_GAMEOBJECT:
processedGOs = true;
for (uint8 rightTarget = 0; rightTarget < 2; ++rightTarget) // need to process target A and B separately due to effect masks
{
GameObjectList& goTargetList = targetingData.data[i].tmpGOList[rightTarget];
uint8 effectMask = targetMask[rightTarget];
if (!goTargetList.empty()) // GO case
{
for (auto iter = goTargetList.begin(); iter != goTargetList.end();)
{
if (OnCheckTarget(*iter, SpellEffectIndex(i)))
++iter;
else
iter = goTargetList.erase(iter);
}
if (m_affectedTargetCount && goTargetList.size() > m_affectedTargetCount)
{
// remove random units from the map
while (goTargetList.size() > m_affectedTargetCount)
{
uint32 poz = urand(0, goTargetList.size() - 1);
for (auto itr = goTargetList.begin(); itr != goTargetList.end(); ++itr, --poz)
{
if (!*itr) continue;
if (!poz)
{
goTargetList.erase(itr);
break;
}
}
}
}
for (GameObject* go : goTargetList)
AddGOTarget(go, effectMask);
}
}
break;
default:
break;
}
}
}
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 = true;
if ((m_CastItem && m_spellInfo->SpellFamilyFlags == nullptr) || m_spellInfo->HasAttribute(SPELL_ATTR_EX3_CANT_TRIGGER_PROC) || m_doNotProc)
m_canTrigger = false; // Do not trigger from item cast spell
// 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, SpellEffectIndex(i)))
m_negativeEffectMask |= (1 << i);
}
void Spell::PrepareMasksForProcSystem(uint8 effectMask, uint32& procAttacker, uint32& procVictim, WorldObject* caster, WorldObject* target)
{
// Get data for type of attack and fill base info for trigger
switch (m_spellInfo->DmgClass)
{
case SPELL_DAMAGE_CLASS_MELEE:
procAttacker = PROC_FLAG_SUCCESSFUL_MELEE_SPELL_HIT;
if (m_attackType == OFF_ATTACK)
procAttacker |= PROC_FLAG_SUCCESSFUL_OFFHAND_HIT;
procVictim = PROC_FLAG_TAKEN_MELEE_SPELL_HIT;
break;
case SPELL_DAMAGE_CLASS_RANGED:
// Auto attack
if (m_spellInfo->HasAttribute(SPELL_ATTR_EX2_AUTOREPEAT_FLAG))
{
procAttacker = PROC_FLAG_SUCCESSFUL_RANGED_HIT;
procVictim = PROC_FLAG_TAKEN_RANGED_HIT;
}
else // Ranged spell attack
{
procAttacker = PROC_FLAG_SUCCESSFUL_RANGED_SPELL_HIT;
procVictim = PROC_FLAG_TAKEN_RANGED_SPELL_HIT;
}
break;
default:
if (IsPositiveEffectMask(m_spellInfo, effectMask, caster, target)) // Check for positive spell
{
if (m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_NONE) // if dmg class none
{
procAttacker = PROC_FLAG_DONE_SPELL_NONE_DMG_CLASS_POS;
procVictim = PROC_FLAG_TAKEN_SPELL_NONE_DMG_CLASS_POS;
}
else
{
procAttacker = PROC_FLAG_DONE_SPELL_MAGIC_DMG_CLASS_POS;
procVictim = PROC_FLAG_TAKEN_SPELL_MAGIC_DMG_CLASS_POS;
}
}
else if (m_spellInfo->HasAttribute(SPELL_ATTR_EX2_AUTOREPEAT_FLAG)) // Wands auto attack
{
procAttacker = PROC_FLAG_SUCCESSFUL_RANGED_HIT;
procVictim = PROC_FLAG_TAKEN_RANGED_HIT;
}
else // Negative spell
{
if (m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_NONE) // if dmg class none
{
procAttacker = PROC_FLAG_DONE_SPELL_NONE_DMG_CLASS_NEG;
procVictim = PROC_FLAG_TAKEN_SPELL_NONE_DMG_CLASS_NEG;
}
else
{
procAttacker = PROC_FLAG_DONE_SPELL_MAGIC_DMG_CLASS_NEG;
procVictim = PROC_FLAG_TAKEN_SPELL_MAGIC_DMG_CLASS_NEG;
}
}
break;
}
// 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 & uint64(0x000020000000001C)))
procAttacker |= PROC_FLAG_ON_TRAP_ACTIVATION;
if (IsNextMeleeSwingSpell(m_spellInfo))
{
procAttacker |= PROC_FLAG_SUCCESSFUL_MELEE_HIT;
procVictim |= PROC_FLAG_TAKEN_MELEE_HIT;
}
if (m_spellInfo->HasAttribute(SPELL_ATTR_EX3_TREAT_AS_PERIODIC))
{
procAttacker = PROC_FLAG_ON_DO_PERIODIC;
procVictim = PROC_FLAG_ON_TAKE_PERIODIC;
}
}
void Spell::CleanupTargetList()
{
m_UniqueTargetInfo.clear();
m_UniqueGOTargetInfo.clear();
m_UniqueItemInfo.clear();
m_delayMoment = 0;
}
void Spell::AddUnitTarget(Unit* target, uint8 effectMask, CheckException exception)
{
if (m_caster != target)
m_targets.m_targetMask |= TARGET_FLAG_UNIT; // all spells with unit target must have this flag
effectMask &= (~m_partialApplicationMask); // remove partially immuned out effects
// Check for effect immune skip if immuned
uint8 notImmunedMask = 0;
for (uint8 effIndex = 0; effIndex < MAX_EFFECT_INDEX; ++effIndex)
if ((effectMask & (1 << effIndex)) != 0)
if (!target->IsImmuneToSpellEffect(m_spellInfo, SpellEffectIndex(effIndex), target == m_caster))
notImmunedMask |= (1 << effIndex);
ObjectGuid targetGUID = target->GetObjectGuid();
// Lookup target in already in list
for (auto& ihit : m_UniqueTargetInfo)
{
if (targetGUID == ihit.targetGUID) // Found in list
{
ihit.effectMask |= effectMask;
ihit.effectHitMask |= notImmunedMask;
return;
}
}
// This is new target calculate data for him
// Get spell hit result on target
TargetInfo targetInfo;
targetInfo.targetGUID = targetGUID; // Store target GUID
targetInfo.effectHitMask = exception != EXCEPTION_MAGNET ? notImmunedMask : effectMask; // Store not immuned effects
targetInfo.effectMask = effectMask; // Store index of effect
targetInfo.effectMaskProcessed = 0;
targetInfo.processed = false; // Effects not applied on target
targetInfo.magnet = (exception == EXCEPTION_MAGNET);
targetInfo.procReflect = false;
targetInfo.isCrit = false;
targetInfo.heartbeatResistChance = 0;
targetInfo.diminishDuration = m_duration;
targetInfo.diminishLevel = DIMINISHING_LEVEL_1;
targetInfo.diminishGroup = DIMINISHING_NONE;
// Calculate hit result
targetInfo.missCondition = (m_ignoreHitResult ? SPELL_MISS_NONE : m_caster->SpellHitResult(target, m_spellInfo, targetInfo.effectMask, m_reflectable, false, &targetInfo.heartbeatResistChance));
// spell fly from visual cast object
WorldObject* affectiveObject = GetAffectiveCasterObject();
// Spell have speed (possible inherited from triggering spell) - need calculate incoming time
float baseSpeed = GetSpellSpeed();
if (baseSpeed > 0.0f && affectiveObject && target != affectiveObject)
{
// calculate spell incoming interval
float dist = affectiveObject->GetDistance(target->GetPositionX(), target->GetPositionY(), target->GetPositionZ(), DIST_CALC_NONE);
dist = sqrt(dist); // default distance calculation is raw, apply sqrt before the next step
float speed;
if (m_targets.getSpeed() > 0.0f)
speed = m_targets.getSpeed() * cos(m_targets.getElevation());
else
{
speed = baseSpeed;
if (dist < 5.0f)
dist = 5.0f;
}
targetInfo.timeDelay = (uint64)floor(dist / speed * 1000.0f);
// Calculate minimum incoming time
if (m_delayMoment == 0 || m_delayMoment > targetInfo.timeDelay)
m_delayMoment = targetInfo.timeDelay;
}
else
targetInfo.timeDelay = uint64(0);
// If target reflect spell back to caster
if (targetInfo.missCondition == SPELL_MISS_REFLECT)
{
// Objects vs units case: traps and similar
// TBC+: Reflect simply negates the spell
if (!m_originalCasterGUID.IsUnit())
{
Unit::ProcDamageAndSpell(ProcSystemArguments(nullptr, target, PROC_FLAG_NONE, PROC_FLAG_TAKEN_SPELL_MAGIC_DMG_CLASS_NEG, PROC_EX_REFLECT, 1, BASE_ATTACK, m_spellInfo));
targetInfo.reflectResult = SPELL_MISS_REFLECT;
}
else
{
// need to recheck reflect immuned effects
notImmunedMask = 0;
for (uint8 effIndex = 0; effIndex < MAX_EFFECT_INDEX; ++effIndex)
if ((effectMask & (1 << effIndex)) != 0)
if (!target->IsImmuneToSpellEffect(m_spellInfo, SpellEffectIndex(effIndex), target == m_caster))
notImmunedMask |= (1 << effIndex);
targetInfo.effectHitMask = notImmunedMask;
// Calculate reflected spell result on caster
targetInfo.reflectResult = m_caster->SpellHitResult(m_caster, m_spellInfo, targetInfo.effectMask, m_reflectable, true, &targetInfo.heartbeatResistChance);
// Caster reflects back spell which was already reflected by victim
if (targetInfo.reflectResult == SPELL_MISS_REFLECT)
// Full circle: it's impossible to reflect further, "Immune" shows up
targetInfo.reflectResult = SPELL_MISS_IMMUNE;
// Store time interval so we know how fast to return it back
targetInfo.initialDelay = targetInfo.timeDelay;
targetInfo.procReflect = true;
if (targetInfo.timeDelay == 0) // if no time delay, proc reflect procs immediately
ProcReflectProcs(targetInfo);
}
m_spellFlags |= SPELL_FLAG_REFLECTED;
}
else
targetInfo.reflectResult = SPELL_MISS_NONE;
// only check DR for units and unit owned GOs
if (Unit* realCaster = GetAffectiveCasterOrOwner())
{
bool isReflected = targetInfo.missCondition == SPELL_MISS_REFLECT && targetInfo.reflectResult == SPELL_MISS_NONE;
if ((targetInfo.missCondition == SPELL_MISS_NONE || isReflected) && CanSpellDiminish())
{
Unit* targetForDiminish = isReflected ? m_caster : target;
targetInfo.diminishGroup = GetDiminishingReturnsGroupForSpell(m_spellInfo, m_triggeredByAuraSpell != nullptr || (m_IsTriggeredSpell && m_CastItem));
targetInfo.diminishLevel = targetForDiminish->GetDiminishing(targetInfo.diminishGroup);
if (m_duration > 0)
{
int32 duration = m_duration;
targetForDiminish->ApplyDiminishingToDuration(targetInfo.diminishGroup, duration, realCaster, targetInfo.diminishLevel, isReflected, m_spellInfo);
targetInfo.diminishDuration = duration;
if (targetInfo.diminishDuration == 0 && targetInfo.diminishLevel == DIMINISHING_LEVEL_IMMUNE)
targetInfo.effectHitMask &= ~GetAuraEffectMask(m_spellInfo);
}
}
}
// Add target to list
m_UniqueTargetInfo.push_back(targetInfo);
}
void Spell::AddGOTarget(GameObject* target, uint8 effectMask)
{
m_targets.m_targetMask |= TARGET_FLAG_GAMEOBJECT; // all spells with GO target must have this flag TODO: do this based on target type
ObjectGuid targetGUID = target->GetObjectGuid();
// Lookup target in already in list
for (auto& ihit : m_UniqueGOTargetInfo)
{
if (targetGUID == ihit.targetGUID) // Found in list
{
ihit.effectMask |= effectMask; // Add only effect mask
return;
}
}