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Spell.cpp
8714 lines (7667 loc) · 372 KB
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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 "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 "MapManager.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 "ObjectAccessor.h"
#include "CellImpl.h"
#include "Policies/Singleton.h"
#include "SharedDefines.h"
#include "LootMgr.h"
#include "VMapFactory.h"
#include "BattleGround/BattleGround.h"
#include "Util.h"
#include "Chat.h"
#include "DB2Stores.h"
#include "SQLStorages.h"
#include "Vehicle.h"
#include "TemporarySummon.h"
#include "SQLStorages.h"
#include "PathFinder.h"
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;
SpellEffectEntry const* spellEffect0 = spellproto->GetSpellEffect(EFFECT_INDEX_0);
SpellEffectEntry const* spellEffect1 = spellproto->GetSpellEffect(EFFECT_INDEX_1);
return spellEffect0 && spellEffect0->Effect == SPELL_EFFECT_THREAT &&
spellEffect1 && spellEffect1->Effect == SPELL_EFFECT_APPLY_AURA && spellEffect1->EffectApplyAuraName == SPELL_AURA_DUMMY;
}
SpellCastTargets::SpellCastTargets()
{
m_unitTarget = nullptr;
m_itemTarget = nullptr;
m_GOTarget = nullptr;
m_itemTargetEntry = 0;
m_srcX = m_srcY = m_srcZ = m_destX = m_destY = m_destZ = 0.0f;
m_strTarget.clear();
m_targetMask = 0;
m_elevation = 0.0f;
m_speed = 0.0f;
}
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->GetObjectGuid();
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->GetObjectGuid();
// m_targetMask |= TARGET_FLAG_OBJECT;
}
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_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;
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->GetObjectGuid();
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 | TARGET_FLAG_GAMEOBJECT_ITEM))
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_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_ALLY | 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_ALLY | 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;
}
void SpellCastTargets::ReadAdditionalData(WorldPacket& data, uint8& cast_flags)
{
if (cast_flags & 0x02) // has trajectory data
{
data >> m_elevation >> m_speed;
bool hasMovementData;
data >> hasMovementData;
if (hasMovementData)
{
MovementInfo mi;
data >> mi;
setSource(mi.GetPos()->x, mi.GetPos()->y, mi.GetPos()->z);
}
}
else if (cast_flags & 0x08) // has archaeology weight
{
uint32 count;
uint8 type;
data >> count;
for (uint32 i = 0; i < count; ++i)
{
data >> type;
switch (type)
{
case 1: // Fragments
data >> Unused<uint32>(); // Currency entry
data >> Unused<uint32>(); // Currency count
break;
case 2: // Keystones
data >> Unused<uint32>(); // Item entry
data >> Unused<uint32>(); // Item count
break;
}
}
}
}
Spell::Spell(Unit* caster, SpellEntry const* info, uint32 triggeredFlags, ObjectGuid originalCasterGUID, SpellEntry const* triggeredBy)
{
MANGOS_ASSERT(caster != nullptr && info != nullptr);
MANGOS_ASSERT(info == sSpellStore.LookupEntry(info->Id) && "`info` must be pointer to sSpellStore 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_spellInterrupts = m_spellInfo->GetSpellInterrupts();
m_caster = 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)
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()->DamageType);
}
}
// 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;
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_usedHolyPower = 0;
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_needAliveTargetMask = 0;
m_ignoreHitResult = false;
m_ignoreUnselectableTarget = m_IsTriggeredSpell;
m_reflectable = IsReflectableSpell(m_spellInfo);
m_spellFlags = SPELL_FLAG_NORMAL;
if (triggeredFlags & TRIGGERED_IGNORE_UNSELECTABLE_FLAG)
m_ignoreUnselectableTarget = true;
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 = 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!!!!!!
UnitList tmpUnitLists[MAX_EFFECT_INDEX]; // Stores the temporary Target Lists for each effect
uint8 effToIndex[MAX_EFFECT_INDEX] = {0, 1, 2}; // Helper array, to link to another tmpUnitList, if the targets for both effects match
for (int i = 0; i < MAX_EFFECT_INDEX; ++i)
{
SpellEffectEntry const* spellEffect = m_spellInfo->GetSpellEffect(SpellEffectIndex(i));
if(!spellEffect)
continue;
// not call for empty effect.
// Also some spells use not used effect targets for store targets for dummy effect in triggered spells
if(spellEffect->Effect == SPELL_EFFECT_NONE)
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 (spellEffect->EffectImplicitTargetA == TARGET_SCRIPT_COORDINATES ||
spellEffect->EffectImplicitTargetA == TARGET_FOCUS_OR_SCRIPTED_GAMEOBJECT ||
(spellEffect->EffectImplicitTargetA == TARGET_SCRIPT && spellEffect->EffectImplicitTargetB != TARGET_SELF) ||
(spellEffect->EffectImplicitTargetB == TARGET_SCRIPT && spellEffect->EffectImplicitTargetA != 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(spellEffect->Effect))
AddUnitTarget(m_caster, SpellEffectIndex(i));
// no double fill for same targets
for (int j = 0; j < i; ++j)
{
SpellEffectEntry const* spellEffect1 = m_spellInfo->GetSpellEffect(SpellEffectIndex(j));
if (!spellEffect1)
continue;
// Check if same target, but handle i.e. AreaAuras different
if (spellEffect->EffectImplicitTargetA == spellEffect1->EffectImplicitTargetA && spellEffect->EffectImplicitTargetB == spellEffect1->EffectImplicitTargetB
&& spellEffect1->Effect != SPELL_EFFECT_NONE
&& !IsAreaAuraEffect(spellEffect->Effect) && !IsAreaAuraEffect(spellEffect1->Effect))
// Add further conditions here if required
{
effToIndex[i] = j; // effect i has same targeting list as effect j
break;
}
}
if (effToIndex[i] == i) // New target combination
{
// TargetA/TargetB dependent from each other, we not switch to full support this dependences
// but need it support in some know cases
switch(spellEffect->EffectImplicitTargetA)
{
case TARGET_NONE:
switch(spellEffect->EffectImplicitTargetB)
{
case TARGET_NONE:
if (m_caster->GetObjectGuid().IsPet())
SetTargetMap(SpellEffectIndex(i), TARGET_SELF, tmpUnitLists[i /*==effToIndex[i]*/]);
else
SetTargetMap(SpellEffectIndex(i), TARGET_EFFECT_SELECT, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
}
break;
case TARGET_SELF:
switch(spellEffect->EffectImplicitTargetB)
{
case TARGET_NONE: // Fill Target based on A only
case TARGET_EFFECT_SELECT:
case TARGET_SCRIPT: // B-target only used with CheckCast here
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
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), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
case TARGET_BEHIND_VICTIM: // use B case that not dependent from from A in fact
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
}
break;
case TARGET_EFFECT_SELECT:
switch(spellEffect->EffectImplicitTargetB)
{
case TARGET_NONE:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
// dest point setup required
case TARGET_AREAEFFECT_INSTANT:
case TARGET_AREAEFFECT_CUSTOM:
case TARGET_ALL_ENEMY_IN_AREA:
case TARGET_ALL_ENEMY_IN_AREA_INSTANT:
case TARGET_ALL_ENEMY_IN_AREA_CHANNELED:
case TARGET_ALL_FRIENDLY_UNITS_IN_AREA:
case TARGET_AREAEFFECT_GO_AROUND_DEST:
case TARGET_RANDOM_NEARBY_DEST:
// triggered spells get dest point from default target set, ignore it
if (!(m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION) || m_IsTriggeredSpell)
if (WorldObject* castObject = GetCastingObject())
m_targets.setDestination(castObject->GetPositionX(), castObject->GetPositionY(), castObject->GetPositionZ());
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
// target pre-selection required
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:
// need some target for processing
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
}
break;
case TARGET_CASTER_COORDINATES:
switch(spellEffect->EffectImplicitTargetB)
{
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 (spellEffect->Effect == SPELL_EFFECT_ENVIRONMENTAL_DAMAGE)
{
if(m_targets.getUnitTarget())
tmpUnitLists[i /*==effToIndex[i]*/].push_back(m_targets.getUnitTarget());
}
else
{
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
}
break;
case 0:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
tmpUnitLists[i /*==effToIndex[i]*/].push_back(m_caster);
break;
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
}
break;
case TARGET_TABLE_X_Y_Z_COORDINATES:
switch(spellEffect->EffectImplicitTargetB)
{
case 0:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
// need some target for processing
SetTargetMap(SpellEffectIndex(i), TARGET_EFFECT_SELECT, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
case TARGET_AREAEFFECT_INSTANT: // All 17/7 pairs used for dest teleportation, A processed in effect code
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
}
case TARGET_SELF2:
switch(spellEffect->EffectImplicitTargetB)
{
case TARGET_NONE:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
case TARGET_AREAEFFECT_CUSTOM:
// triggered spells get dest point from default target set, ignore it
if (!(m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION) || m_IsTriggeredSpell)
if (WorldObject* castObject = GetCastingObject())
m_targets.setDestination(castObject->GetPositionX(), castObject->GetPositionY(), castObject->GetPositionZ());
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
// most A/B target pairs is self->negative and not expect adding caster to target list
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
}
break;
case TARGET_DUELVSPLAYER_COORDINATES:
switch(spellEffect->EffectImplicitTargetB)
{
case TARGET_NONE:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
if (Unit* currentTarget = m_targets.getUnitTarget())
tmpUnitLists[i /*==effToIndex[i]*/].push_back(currentTarget);
break;
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
}
break;
case TARGET_SCRIPT:
switch (spellEffect->EffectImplicitTargetB)
{
case TARGET_SELF:
// Fill target based on B only, A is only used with CheckCast here.
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
default:
break;
}
break;
default:
switch(spellEffect->EffectImplicitTargetB)
{
case 0:
case TARGET_EFFECT_SELECT:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
case TARGET_SCRIPT_COORDINATES: // B case filled in CheckCast but we need fill unit list base at A case
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
default:
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetA, tmpUnitLists[i /*==effToIndex[i]*/]);
SetTargetMap(SpellEffectIndex(i), spellEffect->EffectImplicitTargetB, tmpUnitLists[i /*==effToIndex[i]*/]);
break;
}
break;
}
}
if (m_caster->GetTypeId() == TYPEID_PLAYER)
{
Player* me = (Player*)m_caster;
for (UnitList::const_iterator itr = tmpUnitLists[effToIndex[i]].begin(); itr != tmpUnitLists[effToIndex[i]].end(); ++itr)
{
Player* targetOwner = (*itr)->GetCharmerOrOwnerPlayerOrPlayerItself();
if (targetOwner && targetOwner != me && targetOwner->IsPvP() && !me->IsInDuelWith(targetOwner))
{
me->UpdatePvP(true);
me->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_ENTER_PVP_COMBAT);
break;
}
}
}
for (UnitList::iterator itr = tmpUnitLists[effToIndex[i]].begin(); itr != tmpUnitLists[effToIndex[i]].end();)
{
if (!CheckTarget(*itr, SpellEffectIndex(i)))
{
itr = tmpUnitLists[effToIndex[i]].erase(itr);
continue;
}
else
++itr;
}
for (UnitList::const_iterator iunit = tmpUnitLists[effToIndex[i]].begin(); iunit != tmpUnitLists[effToIndex[i]].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->GetSpellFamilyName())
{
case SPELLFAMILY_MAGE:
// Arcane Missles / Blizzard triggers need do it
if (m_spellInfo->IsFitToFamilyMask(uint64(0x0000000000200080)))
m_canTrigger = true;
// Clearcasting trigger need do it
else if (m_spellInfo->IsFitToFamilyMask(uint64(0x0000000200000000), 0x00000008))
m_canTrigger = true;
// Replenish Mana, item spell with triggered cases (Mana Agate, etc mana gems)
else if (m_spellInfo->IsFitToFamilyMask(uint64(0x0000010000000000)))
m_canTrigger = true;
break;
case SPELLFAMILY_WARLOCK:
// For Hellfire Effect / Rain of Fire / Seed of Corruption triggers need do it
if (m_spellInfo->IsFitToFamilyMask(uint64(0x0000800000000060)))
m_canTrigger = true;
break;
case SPELLFAMILY_PRIEST:
// For Penance,Mind Sear,Mind Flay heal/damage triggers need do it
if (m_spellInfo->IsFitToFamilyMask(uint64(0x0001800000800000), 0x00000040))
m_canTrigger = true;
break;
case SPELLFAMILY_ROGUE:
// For poisons need do it
if (m_spellInfo->IsFitToFamilyMask(uint64(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->IsFitToFamilyMask(uint64(0x0100200000000214), 0x200))
m_canTrigger = true;
break;
case SPELLFAMILY_PALADIN:
// For Judgements (all) / Holy Shock triggers need do it
if (m_spellInfo->IsFitToFamilyMask(uint64(0x0001000900B80400)))
m_canTrigger = true;
break;
default:
break;
}
}
// Get data for type of attack and fill base info for trigger
switch (m_spellInfo->GetDmgClass())
{
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->HasAttribute(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
{
if (m_spellInfo->GetDmgClass() & SPELL_DAMAGE_CLASS_NONE) // if dmg class none
{
m_procAttacker = PROC_FLAG_DONE_SPELL_NONE_DMG_CLASS_POS;
m_procVictim = PROC_FLAG_TAKEN_SPELL_NONE_DMG_CLASS_POS;
}
else
{
m_procAttacker = PROC_FLAG_DONE_SPELL_MAGIC_DMG_CLASS_POS;
m_procVictim = PROC_FLAG_TAKEN_SPELL_MAGIC_DMG_CLASS_POS;
}
}
else if (m_spellInfo->HasAttribute(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
{
if (m_spellInfo->GetDmgClass() & SPELL_DAMAGE_CLASS_NONE) // if dmg class none
{
m_procAttacker = PROC_FLAG_DONE_SPELL_NONE_DMG_CLASS_NEG;
m_procVictim = PROC_FLAG_TAKEN_SPELL_NONE_DMG_CLASS_NEG;
}
else
{
m_procAttacker = PROC_FLAG_DONE_SPELL_MAGIC_DMG_CLASS_NEG;
m_procVictim = PROC_FLAG_TAKEN_SPELL_MAGIC_DMG_CLASS_NEG;
}
}
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, 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->IsFitToFamily(SPELLFAMILY_HUNTER, uint64(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)
{
SpellEffectEntry const *spellEffect = m_spellInfo->GetSpellEffect(effIndex);
if (!spellEffect || spellEffect->Effect == 0)
return;
// Check for effect immune skip if immuned
bool immuned = pVictim->IsImmuneToSpellEffect(m_spellInfo, effIndex, pVictim == m_caster);
if (pVictim->GetTypeId() == TYPEID_UNIT && ((Creature*)pVictim)->IsTotem() && (m_spellFlags & SPELL_FLAG_REDIRECTED))
immuned = false;
ObjectGuid targetGUID = pVictim->GetObjectGuid();
// Lookup target in already in list
for (TargetList::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 applied on target
// Calculate hit result
target.missCondition = m_ignoreHitResult ? SPELL_MISS_NONE : m_caster->SpellHitResult(pVictim, m_spellInfo, m_reflectable);
// spell fly from visual cast object
WorldObject* affectiveObject = GetAffectiveCasterObject();
// Spell have speed (possible inherited from triggering spell) - need calculate incoming time
float speed = m_spellInfo->speed == 0.0f && m_triggeredBySpellInfo ? m_triggeredBySpellInfo->speed : m_spellInfo->speed;
if (speed > 0.0f && affectiveObject && (pVictim != affectiveObject || (m_targets.m_targetMask & (TARGET_FLAG_SOURCE_LOCATION | TARGET_FLAG_DEST_LOCATION))))
{
// calculate spell incoming interval
float dist; // distance to impact
if (pVictim == affectiveObject) // Calculate dist to destination target also for self-cast spells
{
if (m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION)
dist = affectiveObject->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
else // Must have Source Target
dist = affectiveObject->GetDistance(m_targets.m_srcX, m_targets.m_srcY, m_targets.m_srcZ);
}
else // normal unit target, take distance
dist = affectiveObject->GetDistance(pVictim->GetPositionX(), pVictim->GetPositionY(), pVictim->GetPositionZ());
if (dist < 5.0f)
dist = 5.0f;
target.timeDelay = (uint64) floor(dist / speed * 1000.0f);
// Calculate minimum incoming time
if (m_delayMoment == 0 || m_delayMoment > target.timeDelay)
m_delayMoment = target.timeDelay;
}
// Spell casted on self - mostly TRIGGER_MISSILE code
else if (m_spellInfo->speed > 0.0f && affectiveObject && pVictim == affectiveObject)
{
float dist = 0.0f;
if (m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION)
dist = affectiveObject->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
target.timeDelay = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
}
else
target.timeDelay = uint64(0);
// If target reflect spell back to caster
if (target.missCondition == SPELL_MISS_REFLECT)
{
// Victim reflects, apply reflect procs
m_caster->ProcDamageAndSpell(pVictim, PROC_FLAG_NONE, PROC_FLAG_TAKEN_SPELL_MAGIC_DMG_CLASS_NEG, PROC_EX_REFLECT, 1, BASE_ATTACK, m_spellInfo);
// Calculate reflected spell result on caster
target.reflectResult = m_caster->SpellHitResult(m_caster, m_spellInfo, m_reflectable);
// Caster reflects back spell which was already reflected by victim
if (target.reflectResult == SPELL_MISS_REFLECT)
{
// Apply reflect procs on self
m_caster->ProcDamageAndSpell(m_caster, PROC_FLAG_NONE, PROC_FLAG_TAKEN_SPELL_MAGIC_DMG_CLASS_NEG, PROC_EX_REFLECT, 1, BASE_ATTACK, m_spellInfo);
// Full circle: it's impossible to reflect further, "Immune" shows up
target.reflectResult = SPELL_MISS_IMMUNE;
}
// Increase time interval for reflected spells by 1.5
target.timeDelay += target.timeDelay >> 1;
m_spellFlags |= SPELL_FLAG_REFLECTED;
}
else
target.reflectResult = SPELL_MISS_NONE;
// Add target to list
m_UniqueTargetInfo.push_back(target);
}