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TrinityCore/src/game/Spell.cpp

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/*
* Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
*
* Copyright (C) 2008-2009 Trinity <http://www.trinitycore.org/>
*
* 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 "Common.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 "Spell.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"
#include "TemporarySummon.h"
#define SPELL_CHANNEL_UPDATE_INTERVAL (1*IN_MILISECONDS)
extern pEffect SpellEffects[TOTAL_SPELL_EFFECTS];
bool IsQuestTameSpell(uint32 spellId)
{
SpellEntry const *spellproto = sSpellStore.LookupEntry(spellId);
if (!spellproto) return false;
return spellproto->Effect[0] == SPELL_EFFECT_THREAT
&& spellproto->Effect[1] == SPELL_EFFECT_APPLY_AURA && spellproto->EffectApplyAuraName[1] == SPELL_AURA_DUMMY;
}
SpellCastTargets::SpellCastTargets()
{
m_unitTarget = NULL;
m_itemTarget = NULL;
m_GOTarget = NULL;
m_unitTargetGUID = 0;
m_GOTargetGUID = 0;
m_CorpseTargetGUID = 0;
m_itemTargetGUID = 0;
m_itemTargetEntry = 0;
m_srcX = m_srcY = m_srcZ = m_destX = m_destY = m_destZ = 0;
m_hasDest = false;
m_strTarget = "";
m_targetMask = 0;
}
SpellCastTargets::~SpellCastTargets()
{
}
void SpellCastTargets::setUnitTarget(Unit *target)
{
if (!target)
return;
m_unitTarget = target;
m_unitTargetGUID = target->GetGUID();
m_targetMask |= TARGET_FLAG_UNIT;
}
void SpellCastTargets::setDestination(float x, float y, float z, bool send, int32 mapId)
{
m_destX = x;
m_destY = y;
m_destZ = z;
m_hasDest = true;
if(send)
m_targetMask |= TARGET_FLAG_DEST_LOCATION;
if(mapId >= 0)
m_mapId = mapId;
}
void SpellCastTargets::setDestination(Unit *target, bool send)
{
if(!target)
return;
m_destX = target->GetPositionX();
m_destY = target->GetPositionY();
m_destZ = target->GetPositionZ();
m_hasDest = true;
if(send)
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::setCorpseTarget(Corpse* corpse)
{
m_CorpseTargetGUID = corpse->GetGUID();
}
void SpellCastTargets::Update(Unit* caster)
{
m_GOTarget = m_GOTargetGUID ? ObjectAccessor::GetGameObject(*caster,m_GOTargetGUID) : NULL;
m_unitTarget = m_unitTargetGUID ?
( m_unitTargetGUID==caster->GetGUID() ? caster : ObjectAccessor::GetUnit(*caster, m_unitTargetGUID) ) :
NULL;
m_itemTarget = NULL;
if(caster->GetTypeId()==TYPEID_PLAYER)
{
if(m_targetMask & TARGET_FLAG_ITEM)
m_itemTarget = ((Player*)caster)->GetItemByGuid(m_itemTargetGUID);
else
{
Player* pTrader = ((Player*)caster)->GetTrader();
if(pTrader && m_itemTargetGUID < TRADE_SLOT_COUNT)
m_itemTarget = pTrader->GetItemByPos(pTrader->GetItemPosByTradeSlot(m_itemTargetGUID));
}
if(m_itemTarget)
m_itemTargetEntry = m_itemTarget->GetEntry();
}
}
bool SpellCastTargets::read ( WorldPacket * data, Unit *caster )
{
if(data->rpos()+4 > data->size())
return false;
//data->hexlike();
*data >> m_targetMask;
sLog.outDebug("Spell read, target mask = %u", m_targetMask);
if(m_targetMask == TARGET_FLAG_SELF)
return true;
// TARGET_FLAG_UNK2 is used for non-combat pets, maybe other?
if( m_targetMask & ( TARGET_FLAG_UNIT | TARGET_FLAG_UNK2 ))
if(!data->readPackGUID(m_unitTargetGUID))
return false;
if( m_targetMask & ( TARGET_FLAG_OBJECT ))
if(!data->readPackGUID(m_GOTargetGUID))
return false;
if(( m_targetMask & ( TARGET_FLAG_ITEM | TARGET_FLAG_TRADE_ITEM )) && caster->GetTypeId() == TYPEID_PLAYER)
if(!data->readPackGUID(m_itemTargetGUID))
return false;
if( m_targetMask & (TARGET_FLAG_CORPSE | TARGET_FLAG_PVP_CORPSE ) )
if(!data->readPackGUID(m_CorpseTargetGUID))
return false;
if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
{
if(data->rpos()+4+4+4 > data->size())
return false;
*data >> m_srcX >> m_srcY >> m_srcZ;
if(!Trinity::IsValidMapCoord(m_srcX, m_srcY, m_srcZ))
return false;
m_hasDest = true;
}
if( m_targetMask & TARGET_FLAG_DEST_LOCATION )
{
if(data->rpos()+1+4+4+4 > data->size())
return false;
if(!data->readPackGUID(m_unitTargetGUID))
return false;
*data >> m_destX >> m_destY >> m_destZ;
if(!Trinity::IsValidMapCoord(m_destX, m_destY, m_destZ))
return false;
m_hasDest = true;
}
if( m_targetMask & TARGET_FLAG_STRING )
{
if(data->rpos()+1 > data->size())
return false;
*data >> m_strTarget;
}
// find real units/GOs
Update(caster);
return true;
}
void SpellCastTargets::write ( WorldPacket * data )
{
*data << uint32(m_targetMask);
sLog.outDebug("Spell write, target mask = %u", 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->append(m_unitTarget->GetPackGUID());
else
*data << uint8(0);
}
else if( m_targetMask & TARGET_FLAG_OBJECT )
{
if(m_GOTarget)
data->append(m_GOTarget->GetPackGUID());
else
*data << uint8(0);
}
else if( m_targetMask & ( TARGET_FLAG_CORPSE | TARGET_FLAG_PVP_CORPSE ) )
data->appendPackGUID(m_CorpseTargetGUID);
else
*data << uint8(0);
}
if( m_targetMask & ( TARGET_FLAG_ITEM | TARGET_FLAG_TRADE_ITEM ) )
{
if(m_itemTarget)
data->append(m_itemTarget->GetPackGUID());
else
*data << uint8(0);
}
if( m_targetMask & TARGET_FLAG_SOURCE_LOCATION )
*data << m_srcX << m_srcY << m_srcZ;
if( m_targetMask & TARGET_FLAG_DEST_LOCATION )
{
if(m_unitTarget)
data->append(m_unitTarget->GetPackGUID());
else
*data << uint8(0);
*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, uint64 originalCasterGUID, Spell** triggeringContainer, bool skipCheck )
{
ASSERT( Caster != NULL && info != NULL );
ASSERT( info == sSpellStore.LookupEntry( info->Id ) && "`info` must be pointer to sSpellStore element");
m_spellInfo = info;
m_customAttr = spellmgr.GetSpellCustomAttr(m_spellInfo->Id);
m_skipCheck = skipCheck;
m_caster = Caster;
m_selfContainer = NULL;
m_triggeringContainer = triggeringContainer;
m_referencedFromCurrentSpell = false;
m_executedCurrently = false;
m_delayStart = 0;
m_delayAtDamageCount = 0;
m_applyMultiplierMask = 0;
// Get data for type of attack
switch (m_spellInfo->DmgClass)
{
case SPELL_DAMAGE_CLASS_MELEE:
if (m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_REQ_OFFHAND)
m_attackType = OFF_ATTACK;
else
m_attackType = BASE_ATTACK;
break;
case SPELL_DAMAGE_CLASS_RANGED:
m_attackType = RANGED_ATTACK;
break;
default:
// Wands
if (m_spellInfo->AttributesEx2 & SPELL_ATTR_EX2_AUTOREPEAT_FLAG)
m_attackType = RANGED_ATTACK;
else
m_attackType = BASE_ATTACK;
break;
}
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)
m_originalCasterGUID = originalCasterGUID;
else
m_originalCasterGUID = m_caster->GetGUID();
if(m_originalCasterGUID==m_caster->GetGUID())
m_originalCaster = m_caster;
else
{
m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
}
for(int i=0; i <3; ++i)
m_currentBasePoints[i] = m_spellInfo->EffectBasePoints[i];
m_spellState = SPELL_STATE_NULL;
m_castPositionX = m_castPositionY = m_castPositionZ = 0;
m_TriggerSpells.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_preCastSpell = 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 castime 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<3;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()
{
}
void Spell::FillTargetMap()
{
for(uint32 i = 0; i < 3; ++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])
continue;
uint32 effectTargetType = spellmgr.EffectTargetType[m_spellInfo->Effect[i]];
// is it possible that areaaura is not applied to caster?
if(effectTargetType == SPELL_REQUIRE_NONE)
continue;
std::list<Unit*> tmpUnitMap;
uint32 targetA = m_spellInfo->EffectImplicitTargetA[i];
uint32 targetB = m_spellInfo->EffectImplicitTargetB[i];
if(targetA)
SetTargetMap(i, targetA, tmpUnitMap);
if(targetB) // In very rare case !A && B
SetTargetMap(i, targetB, tmpUnitMap);
if(effectTargetType != SPELL_REQUIRE_UNIT)
{
if(effectTargetType == SPELL_REQUIRE_CASTER)
AddUnitTarget(m_caster, i);
/*else if(effectTargetType == SPELL_REQUIRE_DEST)
{
if(m_targets.HasDest() && m_spellInfo->speed > 0.0f)
{
float dist = m_caster->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
if (dist < 5.0f) dist = 5.0f;
m_delayMoment = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
}
}*/
else if(effectTargetType == SPELL_REQUIRE_ITEM)
{
if(m_targets.getItemTarget())
AddItemTarget(m_targets.getItemTarget(), i);
}
continue;
}
if(!targetA && !targetB)
{
// add here custom effects that need default target.
// FOR EVERY TARGET TYPE THERE IS A DIFFERENT FILL!!
switch(m_spellInfo->Effect[i])
{
case SPELL_EFFECT_DUMMY:
{
switch(m_spellInfo->Id)
{
case 20577: // Cannibalize
{
// non-standard target selection
SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
float max_range = GetSpellMaxRangeForHostile(srange);
WorldObject* result = NULL;
Trinity::CannibalizeObjectCheck u_check(m_caster, max_range);
Trinity::WorldObjectSearcher<Trinity::CannibalizeObjectCheck > searcher(m_caster, result, u_check);
m_caster->VisitNearbyGridObject(max_range, searcher);
if(!result)
m_caster->VisitNearbyWorldObject(max_range, searcher);
if(result)
{
switch(result->GetTypeId())
{
case TYPEID_UNIT:
case TYPEID_PLAYER:
tmpUnitMap.push_back((Unit*)result);
break;
case TYPEID_CORPSE:
m_targets.setCorpseTarget((Corpse*)result);
if(Player* owner = ObjectAccessor::FindPlayer(((Corpse*)result)->GetOwnerGUID()))
tmpUnitMap.push_back(owner);
break;
}
}
else
{
// clear cooldown at fail
if(m_caster->GetTypeId()==TYPEID_PLAYER)
{
((Player*)m_caster)->RemoveSpellCooldown(m_spellInfo->Id);
WorldPacket data(SMSG_CLEAR_COOLDOWN, (4+8));
data << uint32(m_spellInfo->Id);
data << uint64(m_caster->GetGUID());
((Player*)m_caster)->GetSession()->SendPacket(&data);
}
SendCastResult(SPELL_FAILED_NO_EDIBLE_CORPSES);
finish(false);
}
break;
}
default:
if(m_targets.getUnitTarget())
tmpUnitMap.push_back(m_targets.getUnitTarget());
break;
}
break;
}
case SPELL_EFFECT_RESURRECT:
case SPELL_EFFECT_CREATE_ITEM:
case SPELL_EFFECT_TRIGGER_SPELL:
case SPELL_EFFECT_SKILL_STEP:
case SPELL_EFFECT_PROFICIENCY:
case SPELL_EFFECT_SUMMON_OBJECT_WILD:
case SPELL_EFFECT_SELF_RESURRECT:
case SPELL_EFFECT_REPUTATION:
case SPELL_EFFECT_LEARN_SPELL:
if(m_targets.getUnitTarget())
tmpUnitMap.push_back(m_targets.getUnitTarget());
else
tmpUnitMap.push_back(m_caster);
break;
case SPELL_EFFECT_SUMMON_PLAYER:
if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetSelection())
{
Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
if(target)
tmpUnitMap.push_back(target);
}
break;
case SPELL_EFFECT_RESURRECT_NEW:
if(m_targets.getUnitTarget())
tmpUnitMap.push_back(m_targets.getUnitTarget());
if(m_targets.getCorpseTargetGUID())
{
Corpse *corpse = ObjectAccessor::GetCorpse(*m_caster,m_targets.getCorpseTargetGUID());
if(corpse)
{
Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
if(owner)
tmpUnitMap.push_back(owner);
}
}
break;
case SPELL_EFFECT_SUMMON_CHANGE_ITEM:
case SPELL_EFFECT_ADD_FARSIGHT:
case SPELL_EFFECT_APPLY_GLYPH:
case SPELL_EFFECT_STUCK:
case SPELL_EFFECT_FEED_PET:
case SPELL_EFFECT_DESTROY_ALL_TOTEMS:
tmpUnitMap.push_back(m_caster);
break;
case SPELL_EFFECT_LEARN_PET_SPELL:
if(Pet* pet = m_caster->GetPet())
tmpUnitMap.push_back(pet);
break;
/*case SPELL_EFFECT_ENCHANT_ITEM:
case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
case SPELL_EFFECT_ENCHANT_ITEM_PRISMATIC:
case SPELL_EFFECT_DISENCHANT:
case SPELL_EFFECT_PROSPECTING:
case SPELL_EFFECT_MILLING:
if(m_targets.getItemTarget())
AddItemTarget(m_targets.getItemTarget(), i);
break;*/
case SPELL_EFFECT_APPLY_AURA:
switch(m_spellInfo->EffectApplyAuraName[i])
{
case SPELL_AURA_ADD_FLAT_MODIFIER: // some spell mods auras have 0 target modes instead expected TARGET_SELF(1) (and present for other ranks for same spell for example)
case SPELL_AURA_ADD_PCT_MODIFIER:
tmpUnitMap.push_back(m_caster);
break;
default: // apply to target in other case
break;
}
break;
case SPELL_EFFECT_APPLY_AREA_AURA_PARTY:
// AreaAura
if(m_spellInfo->Attributes == 0x9050000 || m_spellInfo->Attributes == 0x10000)
SetTargetMap(i,TARGET_AREAEFFECT_PARTY,tmpUnitMap);
break;
case SPELL_EFFECT_SKIN_PLAYER_CORPSE:
if(m_targets.getUnitTarget())
{
tmpUnitMap.push_back(m_targets.getUnitTarget());
}
else if (m_targets.getCorpseTargetGUID())
{
Corpse *corpse = ObjectAccessor::GetCorpse(*m_caster,m_targets.getCorpseTargetGUID());
if(corpse)
{
Player* owner = ObjectAccessor::FindPlayer(corpse->GetOwnerGUID());
if(owner)
tmpUnitMap.push_back(owner);
}
}
break;
default:
break;
}
}
if(IsChanneledSpell(m_spellInfo) && !tmpUnitMap.empty())
m_needAliveTargetMask |= (1<<i);
for (std::list<Unit*>::iterator itr = tmpUnitMap.begin() ; itr != tmpUnitMap.end();)
{
if(!CheckTarget(*itr, i))
{
itr = tmpUnitMap.erase(itr);
continue;
}
else
++itr;
}
for(std::list<Unit*>::iterator iunit= tmpUnitMap.begin();iunit != tmpUnitMap.end();++iunit)
AddUnitTarget((*iunit), i);
}
if(m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION)
{
if(m_spellInfo->speed > 0.0f && m_targets.HasDest())
{
float dist = m_caster->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
if (dist < 5.0f) dist = 5.0f;
m_delayMoment = (uint64) floor(dist / m_spellInfo->speed * 1000.0f);
}
}
}
void Spell::prepareDataForTriggerSystem()
{
//==========================================================================================
// Now fill data for trigger system, need know:
// <20>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;
m_canTriggeredTrigger=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 && !m_CastItem)
{
// Triggered spells with spellfamilymask can trigger other spells
if (m_spellInfo->SpellFamilyFlags)
m_canTriggeredTrigger=true;
}
// 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;
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;
}
// 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[1] & 0x00002000 || m_spellInfo->SpellFamilyFlags[0] & 0x1C))
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, uint32 effIndex)
{
if( m_spellInfo->Effect[effIndex]==0 )
return;
// Check for effect immune skip if immuned
bool immuned = pVictim->IsImmunedToSpellEffect(m_spellInfo, effIndex);
uint64 targetGUID = pVictim->GetGUID();
// 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
target.damage = 0;
// Calculate hit result
if(m_originalCaster)
{
target.missCondition = m_originalCaster->SpellHitResult(pVictim, m_spellInfo, m_canReflect);
if(m_skipCheck && target.missCondition != SPELL_MISS_IMMUNE)
target.missCondition = SPELL_MISS_NONE;
}
else
target.missCondition = SPELL_MISS_EVADE; //SPELL_MISS_NONE;
// Spell have speed - need calculate incoming time
if (m_spellInfo->speed > 0.0f)
{
// calculate spell incoming interval
// TODO: this is a hack
float dist = m_caster->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 = 0LL;
// 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, uint32 effIndex)
{
Unit* unit = m_caster->GetGUID()==unitGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, unitGUID);
if (unit)
AddUnitTarget(unit, effIndex);
}
void Spell::AddGOTarget(GameObject* pVictim, uint32 effIndex)
{
if( m_spellInfo->Effect[effIndex]==0 )
return;
uint64 targetGUID = pVictim->GetGUID();
// 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 have speed - need calculate incoming time
if (m_spellInfo->speed > 0.0f)
{
// calculate spell incoming interval
float dist = m_caster->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 = 0LL;
// Add target to list
m_UniqueGOTargetInfo.push_back(target);
}
void Spell::AddGOTarget(uint64 goGUID, uint32 effIndex)
{
GameObject* go = ObjectAccessor::GetGameObject(*m_caster, goGUID);
if (go)
AddGOTarget(go, effIndex);
}
void Spell::AddItemTarget(Item* pitem, uint32 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->GetGUID()==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 *caster = m_originalCaster ? m_originalCaster : m_caster;
// Skip if m_originalCaster not avaiable
if (!caster)
return;
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
m_damage = target->damage;
m_healing = -target->damage;
// Fill base trigger info
uint32 procAttacker = m_procAttacker;
uint32 procVictim = m_procVictim;
uint32 procEx = PROC_EX_NONE;
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);
}
/*else //TODO: This is a hack. need fix
{
uint32 tempMask = 0;
for(uint32 i = 0; i < 3; ++i)
if(m_spellInfo->Effect[i] == SPELL_EFFECT_DUMMY
|| m_spellInfo->Effect[i] == SPELL_EFFECT_TRIGGER_SPELL)
tempMask |= 1<<i;
if(tempMask &= mask)
DoSpellHitOnUnit(unit, tempMask);
}*/
// All calculated do it!
// Do healing and triggers
if (m_healing > 0)
{
bool crit = caster->isSpellCrit(NULL, m_spellInfo, m_spellSchoolMask);
uint32 addhealth = m_healing;
if (crit)
{
procEx |= PROC_EX_CRITICAL_HIT;
addhealth = caster->SpellCriticalHealingBonus(m_spellInfo, addhealth, NULL);
}
else
procEx |= PROC_EX_NORMAL_HIT;
caster->SendHealSpellLog(unitTarget, m_spellInfo->Id, addhealth, crit);
// Do triggers for unit (reflect triggers passed on hit phase for correct drop charge)
if ((m_canTrigger || m_canTriggeredTrigger) && missInfo != SPELL_MISS_REFLECT)
caster->ProcDamageAndSpell(unitTarget, procAttacker, procVictim, procEx, addhealth, m_attackType, m_spellInfo, m_canTriggeredTrigger);
int32 gain = unitTarget->ModifyHealth( int32(addhealth) );
unitTarget->getHostilRefManager().threatAssist(caster, float(gain) * 0.5f, m_spellInfo);
if(caster->GetTypeId()==TYPEID_PLAYER)
if(BattleGround *bg = ((Player*)caster)->GetBattleGround())
bg->UpdatePlayerScore(((Player*)caster), SCORE_HEALING_DONE, gain);
}
// Do damage and triggers
else if (m_damage > 0)
{
// Fill base damage struct (unitTarget - is real spell target)
SpellNonMeleeDamage damageInfo(caster, unitTarget, m_spellInfo->Id, m_spellSchoolMask);
// Add bonuses and fill damageInfo struct
caster->CalculateSpellDamageTaken(&damageInfo, m_damage, m_spellInfo);
// Send log damage message to client
caster->SendSpellNonMeleeDamageLog(&damageInfo);
procEx = createProcExtendMask(&damageInfo, missInfo);
procVictim |= PROC_FLAG_TAKEN_ANY_DAMAGE;
// Do triggers for unit (reflect triggers passed on hit phase for correct drop charge)
if ((m_canTrigger || m_canTriggeredTrigger) && missInfo != SPELL_MISS_REFLECT)
caster->ProcDamageAndSpell(unitTarget, procAttacker, procVictim, procEx, damageInfo.damage, m_attackType, m_spellInfo, m_canTriggeredTrigger);
caster->DealSpellDamage(&damageInfo, true);
// Judgement of Blood
if (m_spellInfo->SpellFamilyName == SPELLFAMILY_PALADIN && m_spellInfo->SpellFamilyFlags[1] & 0x00000008 && m_spellInfo->SpellIconID==153)
{
int32 damagePoint = damageInfo.damage * 33 / 100;
m_caster->CastCustomSpell(m_caster, 32220, &damagePoint, NULL, NULL, true);
}
}
// Passive spell hits/misses or active spells only misses (only triggers)
else
{
// Fill base damage struct (unitTarget - is real spell target)
SpellNonMeleeDamage damageInfo(caster, unitTarget, m_spellInfo->Id, m_spellSchoolMask);
procEx = createProcExtendMask(&damageInfo, missInfo);
// Do triggers for unit (reflect triggers passed on hit phase for correct drop charge)
if ((m_canTrigger || m_canTriggeredTrigger) && missInfo != SPELL_MISS_REFLECT)
caster->ProcDamageAndSpell(unit, procAttacker, procVictim, procEx, 0, m_attackType, m_spellInfo, m_canTriggeredTrigger);
}
// Call scripted function for AI if this spell is casted upon a creature (except pets)
if(IS_CREATURE_GUID(target->targetGUID))
{
// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
}
if( !m_caster->IsFriendlyTo(unit) && !IsPositiveSpell(m_spellInfo->Id))
{
if( !(m_spellInfo->AttributesEx & SPELL_ATTR_EX_NO_INITIAL_AGGRO) )
{
m_caster->CombatStart(unit);
}
else if(m_customAttr & SPELL_ATTR_CU_AURA_CC)
{
if(!unit->IsStandState())
unit->SetStandState(UNIT_STAND_STATE_STAND);
}
}
}
void Spell::DoSpellHitOnUnit(Unit *unit, const uint32 effectMask)
{
if(!unit || !effectMask)
return;
// Recheck immune (only for delayed spells)
if( m_spellInfo->speed &&
!(m_spellInfo->Attributes & SPELL_ATTR_UNAFFECTED_BY_INVULNERABILITY)
&& (unit->IsImmunedToDamage(GetSpellSchoolMask(m_spellInfo)) ||
unit->IsImmunedToSpell(m_spellInfo)))
{
m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_IMMUNE);
m_damage = 0;
return;
}
if (unit->GetTypeId() == TYPEID_PLAYER)
{
((Player*)unit)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_BE_SPELL_TARGET, m_spellInfo->Id);
((Player*)unit)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_BE_SPELL_TARGET2, m_spellInfo->Id);
}
if(m_caster->GetTypeId() == TYPEID_PLAYER)
{
((Player*)m_caster)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_CAST_SPELL2, m_spellInfo->Id, 0, unit);
}
if( m_caster != unit )
{
// Recheck UNIT_FLAG_NON_ATTACKABLE for delayed spells
if (m_spellInfo->speed > 0.0f &&
unit->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE) &&
unit->GetCharmerOrOwnerGUID() != m_caster->GetGUID())
{
m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
m_damage = 0;
return;
}
if( !m_caster->IsFriendlyTo(unit) )
{
// for delayed spells ignore not visible explicit target
if(m_spellInfo->speed > 0.0f && unit==m_targets.getUnitTarget() && !unit->isVisibleForOrDetect(m_caster,false))
{
m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
m_damage = 0;
return;
}
unit->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_HITBYSPELL);
if(m_customAttr & SPELL_ATTR_CU_AURA_CC)
unit->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_CC);
}
else
{
// for delayed spells ignore negative spells (after duel end) for friendly targets
// TODO: this cause soul transfer bugged
if(m_spellInfo->speed > 0.0f && unit->GetTypeId() == TYPEID_PLAYER && !IsPositiveSpell(m_spellInfo->Id))
{
m_caster->SendSpellMiss(unit, m_spellInfo->Id, SPELL_MISS_EVADE);
m_damage = 0;
return;
}
// assisting case, healing and resurrection
if(unit->hasUnitState(UNIT_STAT_ATTACK_PLAYER))
{
m_caster->SetContestedPvP();
//m_caster->UpdatePvP(true);
}
if( unit->isInCombat() && !(m_spellInfo->AttributesEx & SPELL_ATTR_EX_NO_INITIAL_AGGRO) )
{
m_caster->SetInCombatState(unit->GetCombatTimer() > 0);
unit->getHostilRefManager().threatAssist(m_caster, 0.0f);
}
}
}
// Get Data Needed for Diminishing Returns, some effects may have multiple auras, so this must be done on spell hit, not aura add
if(m_diminishGroup = GetDiminishingReturnsGroupForSpell(m_spellInfo,m_triggeredByAuraSpell))
{
m_diminishLevel = unit->GetDiminishing(m_diminishGroup);
DiminishingReturnsType type = GetDiminishingReturnsGroupType(m_diminishGroup);
// Increase Diminishing on unit, current informations for actually casts will use values above
if((type == DRTYPE_PLAYER && (unit->GetTypeId() == TYPEID_PLAYER || ((Creature*)unit)->isPet() || ((Creature*)unit)->isPossessedByPlayer())) || type == DRTYPE_ALL)
unit->IncrDiminishing(m_diminishGroup);
}
// Apply additional spell effects to target
if (m_preCastSpell)
{
// Special spell id
// TODO: Handle all of special spells in one place?
if(m_preCastSpell==61988)
{
//Cast forbearance
m_caster->CastSpell(unit,25771, true, m_CastItem);
// Cast Avenging Wrath Marker
m_caster->CastSpell(unit,61987, true, m_CastItem);
}
else
m_caster->CastSpell(unit,m_preCastSpell, true, m_CastItem);
}
for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
{
if (effectMask & (1<<effectNumber))
{
HandleEffects(unit,NULL,NULL,effectNumber/*,m_damageMultipliers[effectNumber]*/);
//Only damage and heal spells need this
/*if ( m_applyMultiplierMask & (1 << effectNumber) )
{
// Get multiplier
float multiplier = m_spellInfo->DmgMultiplier[effectNumber];
// Apply multiplier mods
if(m_originalCaster)
if(Player* modOwner = m_originalCaster->GetSpellModOwner())
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_EFFECT_PAST_FIRST, multiplier,this);
m_damageMultipliers[effectNumber] *= multiplier;
}*/
}
}
if(unit->GetTypeId() == TYPEID_UNIT && ((Creature*)unit)->IsAIEnabled)
((Creature*)unit)->AI()->SpellHit(m_caster, m_spellInfo);
if(m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->IsAIEnabled)
((Creature*)m_caster)->AI()->SpellHitTarget(unit, m_spellInfo);
for(ChanceTriggerSpells::const_iterator i = m_ChanceTriggerSpells.begin(); i != m_ChanceTriggerSpells.end(); ++i)
{
if(roll_chance_i(i->second))
m_caster->CastSpell(unit, i->first, true);
}
if(m_customAttr & SPELL_ATTR_CU_LINK_HIT)
{
if(const std::vector<int32> *spell_triggered = spellmgr.GetSpellLinked(m_spellInfo->Id + SPELL_LINK_HIT))
for(std::vector<int32>::const_iterator i = spell_triggered->begin(); i != spell_triggered->end(); ++i)
if(*i < 0)
unit->RemoveAurasDueToSpell(-(*i));
else
unit->CastSpell(unit, *i, true, 0, 0, m_caster->GetGUID());
}
//This is not needed with procflag patch
/*if(m_originalCaster)
{
if(m_customAttr & SPELL_ATTR_CU_EFFECT_HEAL)
m_originalCaster->ProcDamageAndSpell(unit, PROC_FLAG_HEAL, PROC_FLAG_NONE, 0, GetSpellSchoolMask(m_spellInfo), m_spellInfo);
if(m_originalCaster != unit && (m_customAttr & SPELL_ATTR_CU_EFFECT_DAMAGE))
m_originalCaster->ProcDamageAndSpell(unit, PROC_FLAG_HIT_SPELL, PROC_FLAG_STRUCK_SPELL, 0, GetSpellSchoolMask(m_spellInfo), m_spellInfo);
}*/
}
void Spell::DoAllEffectOnTarget(GOTargetInfo *target)
{
if (target->processed) // Check target
return;
target->processed = true; // Target checked in apply effects procedure
uint32 effectMask = target->effectMask;
if(!effectMask)
return;
GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
if(!go)
return;
for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
if (effectMask & (1<<effectNumber))
HandleEffects(NULL,NULL,go,effectNumber);
// cast at creature (or GO) quest objectives update at successful cast finished (+channel finished)
// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() && !IsChannelActive() )
((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
}
void Spell::DoAllEffectOnTarget(ItemTargetInfo *target)
{
uint32 effectMask = target->effectMask;
if(!target->item || !effectMask)
return;
for(uint32 effectNumber=0;effectNumber<3;effectNumber++)
if (effectMask & (1<<effectNumber))
HandleEffects(NULL, target->item, NULL, effectNumber);
}
bool Spell::IsAliveUnitPresentInTargetList()
{
// Not need check return true
if (m_needAliveTargetMask == 0)
return true;
uint8 needAliveTargetMask = m_needAliveTargetMask;
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
{
if( ihit->missCondition == SPELL_MISS_NONE && (needAliveTargetMask & ihit->effectMask) )
{
Unit *unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
if (unit && unit->isAlive())
needAliveTargetMask &= ~ihit->effectMask; // remove from need alive mask effect that have alive target
}
}
// is all effects from m_needAliveTargetMask have alive targets
return needAliveTargetMask==0;
}
// Helper for Chain Healing
// Spell target first
// Raidmates then descending by injury suffered (MaxHealth - Health)
// Other players/mobs then descending by injury suffered (MaxHealth - Health)
struct ChainHealingOrder : public std::binary_function<const Unit*, const Unit*, bool>
{
const Unit* MainTarget;
ChainHealingOrder(Unit const* Target) : MainTarget(Target) {};
// functor for operator ">"
bool operator()(Unit const* _Left, Unit const* _Right) const
{
return (ChainHealingHash(_Left) < ChainHealingHash(_Right));
}
int32 ChainHealingHash(Unit const* Target) const
{
/*if (Target == MainTarget)
return 0;
else*/ if (Target->GetTypeId() == TYPEID_PLAYER && MainTarget->GetTypeId() == TYPEID_PLAYER &&
((Player const*)Target)->IsInSameRaidWith((Player const*)MainTarget))
{
if (Target->GetHealth() == Target->GetMaxHealth())
return 40000;
else
return 20000 - Target->GetMaxHealth() + Target->GetHealth();
}
else
return 40000 - Target->GetMaxHealth() + Target->GetHealth();
}
};
// Helper for targets nearest to the spell target
// The spell target is always first unless there is a target at _completely_ the same position (unbelievable case)
struct TargetDistanceOrder : public std::binary_function<const Unit, const Unit, bool>
{
const Unit* MainTarget;
TargetDistanceOrder(const Unit* Target) : MainTarget(Target) {};
// functor for operator ">"
bool operator()(const Unit* _Left, const Unit* _Right) const
{
return (MainTarget->GetDistance(_Left) < MainTarget->GetDistance(_Right));
}
};
void Spell::SearchChainTarget(std::list<Unit*> &TagUnitMap, float max_range, uint32 num, SpellTargets TargetType)
{
Unit *cur = m_targets.getUnitTarget();
if(!cur)
return;
// Get spell max affected targets
/*uint32 unMaxTargets = m_spellInfo->MaxAffectedTargets;
Unit::AuraList const& mod = m_caster->GetAurasByType(SPELL_AURA_MOD_MAX_AFFECTED_TARGETS);
for(Unit::AuraList::const_iterator m = mod.begin(); m != mod.end(); ++m)
{
if (!(*m)->isAffectedOnSpell(m_spellInfo))
continue;
unMaxTargets+=(*m)->GetModifier()->m_amount;
}*/
//FIXME: This very like horrible hack and wrong for most spells
if(m_spellInfo->DmgClass != SPELL_DAMAGE_CLASS_MELEE)
max_range += num * CHAIN_SPELL_JUMP_RADIUS;
std::list<Unit*> tempUnitMap;
if(TargetType == SPELL_TARGETS_CHAINHEAL)
{
SearchAreaTarget(tempUnitMap, max_range, PUSH_TARGET_CENTER, SPELL_TARGETS_ALLY);
tempUnitMap.sort(ChainHealingOrder(m_caster));
if(cur->GetHealth() == cur->GetMaxHealth() && tempUnitMap.size())
cur = tempUnitMap.front();
}
else
SearchAreaTarget(tempUnitMap, max_range, PUSH_TARGET_CENTER, TargetType);
tempUnitMap.remove(cur);
while(num)
{
TagUnitMap.push_back(cur);
--num;
if(tempUnitMap.empty())
break;
std::list<Unit*>::iterator next;
if(TargetType == SPELL_TARGETS_CHAINHEAL)
{
next = tempUnitMap.begin();
while(cur->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS
|| !cur->IsWithinLOSInMap(*next))
{
++next;
if(next == tempUnitMap.end())
return;
}
}
else
{
tempUnitMap.sort(TargetDistanceOrder(cur));
next = tempUnitMap.begin();
if(cur->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
break;
while(!cur->IsWithinLOSInMap(*next)
|| m_spellInfo->DmgClass==SPELL_DAMAGE_CLASS_MELEE
&& !m_caster->isInFront(*next, max_range))
{
++next;
if(next == tempUnitMap.end() || cur->GetDistance(*next) > CHAIN_SPELL_JUMP_RADIUS)
return;
}
}
cur = *next;
tempUnitMap.erase(next);
}
}
void Spell::SearchAreaTarget(std::list<Unit*> &TagUnitMap, float radius, const uint32 &type, SpellTargets TargetType, uint32 entry)
{
float x, y, z;
if(type == PUSH_DEST_CENTER)
{
if(!m_targets.HasDest())
{
sLog.outError( "SPELL: cannot find destination for spell ID %u\n", m_spellInfo->Id );
return;
}
x = m_targets.m_destX;
y = m_targets.m_destY;
z = m_targets.m_destZ;
}
else if(type == PUSH_TARGET_CENTER)
{
Unit *target = m_targets.getUnitTarget();
if(!target)
{
sLog.outError( "SPELL: cannot find unit target for spell ID %u\n", m_spellInfo->Id );
return;
}
x = target->GetPositionX();
y = target->GetPositionY();
z = target->GetPositionZ();
}
else
{
x = m_caster->GetPositionX();
y = m_caster->GetPositionY();
z = m_caster->GetPositionZ();
}
Trinity::SpellNotifierCreatureAndPlayer notifier(*this, TagUnitMap, radius, type, TargetType, entry, x, y, z);
if((m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_PLAYERS_ONLY)
|| TargetType == SPELL_TARGETS_ENTRY && !entry)
m_caster->GetMap()->VisitWorld(x, y, radius, notifier);
else
m_caster->GetMap()->VisitAll(x, y, radius, notifier);
}
Unit* Spell::SearchNearbyTarget(float radius, SpellTargets TargetType, uint32 entry)
{
Unit* target = NULL;
switch(TargetType)
{
case SPELL_TARGETS_ENTRY:
{
if(entry)
{
Creature* target = NULL;
Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster, entry, true, radius);
Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(m_caster, target, u_check);
m_caster->VisitNearbyObject(radius, searcher);
return target;
}
else
{
//TODO: nearest player
return NULL;
}
}
default:
case SPELL_TARGETS_ENEMY:
{
Trinity::AnyUnfriendlyUnitInObjectRangeCheck u_check(m_caster, m_caster, radius);
Trinity::UnitLastSearcher<Trinity::AnyUnfriendlyUnitInObjectRangeCheck> searcher(m_caster, target, u_check);
m_caster->VisitNearbyObject(radius, searcher);
}break;
case SPELL_TARGETS_ALLY:
{
Trinity::AnyFriendlyUnitInObjectRangeCheck u_check(m_caster, m_caster, radius);
Trinity::UnitLastSearcher<Trinity::AnyFriendlyUnitInObjectRangeCheck> searcher(m_caster, target, u_check);
m_caster->VisitNearbyObject(radius, searcher);
}break;
}
return target;
}
void Spell::SetTargetMap(uint32 i,uint32 cur,std::list<Unit*> &TagUnitMap)
{
float radius_h, radius_f;
if (m_spellInfo->EffectRadiusIndex[i])
{
radius_h = GetSpellRadiusForHostile(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
radius_f = GetSpellRadiusForFriend(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
}
else
{
radius_h = GetSpellMaxRangeForHostile(sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex));
radius_f = GetSpellMaxRangeForFriend(sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex));
}
//Chain: 2, 6, 22, 25, 45, 77
uint32 EffectChainTarget = m_spellInfo->EffectChainTarget[i];
uint32 unMaxTargets = m_spellInfo->MaxAffectedTargets;
Unit::AuraList const& Auras = m_caster->GetAurasByType(SPELL_AURA_MOD_MAX_AFFECTED_TARGETS);
for(Unit::AuraList::const_iterator j = Auras.begin();j != Auras.end(); ++j)
{
if((*j)->isAffectedOnSpell(m_spellInfo))
unMaxTargets+=(*j)->GetModifier()->m_amount;
}
if(m_originalCaster)
{
if(Player* modOwner = m_originalCaster->GetSpellModOwner())
{
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RADIUS, radius_f,this);
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RADIUS, radius_h,this);
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_JUMP_TARGETS, EffectChainTarget, this);
}
}
if(EffectChainTarget > 1)
{
//otherwise, this multiplier is used for something else
m_damageMultipliers[i] = 1.0f;
m_applyMultiplierMask |= 1 << i;
}
switch(spellmgr.SpellTargetType[cur])
{
case TARGET_TYPE_UNIT_CASTER:
{
switch(cur)
{
case TARGET_UNIT_CASTER:
case TARGET_UNIT_CASTER_FISHING:
TagUnitMap.push_back(m_caster);
break;
case TARGET_UNIT_MASTER:
if(Unit* owner = m_caster->GetCharmerOrOwner())
TagUnitMap.push_back(owner);
break;
case TARGET_UNIT_PET:
if(Pet* pet = m_caster->GetPet())
TagUnitMap.push_back(pet);
break;
case TARGET_UNIT_PARTY_CASTER:
m_caster->GetPartyMember(TagUnitMap, radius_f);
break;
case TARGET_UNIT_RAID:
//if(Unit *target = m_targets.getUnitTarget())
// TagUnitMap.push_back(target);
//else
m_caster->GetRaidMember(TagUnitMap, radius_f);
TagUnitMap.push_back(m_caster);
break;
}
}break;
case TARGET_TYPE_UNIT_TARGET:
{
Unit *target = m_targets.getUnitTarget();
if(!target)
{
sLog.outError("SPELL: no unit target for spell ID %u\n", m_spellInfo->Id);
break;
}
switch(cur)
{
case TARGET_UNIT_MINIPET:
if( target->GetTypeId() == TYPEID_UNIT && ((Creature*)target)->isPet() && ((Pet*)target)->getPetType() == MINI_PET)
TagUnitMap.push_back(target);
break;
case TARGET_UNIT_TARGET_ALLY:
case TARGET_UNIT_TARGET_RAID:
case TARGET_UNIT_TARGET_ANY: // SelectMagnetTarget()?
case TARGET_UNIT_TARGET_PARTY:
TagUnitMap.push_back(target);
break;
case TARGET_UNIT_PARTY_TARGET:
target->GetPartyMember(TagUnitMap, radius_f);
break;
case TARGET_UNIT_TARGET_ENEMY:
if(EffectChainTarget <= 1)
TagUnitMap.push_back(SelectMagnetTarget());
else if(SelectMagnetTarget()) //TODO: chain target should also use magnet target
SearchChainTarget(TagUnitMap, radius_h, EffectChainTarget, SPELL_TARGETS_ENEMY);
break;
case TARGET_UNIT_CHAINHEAL:
if(EffectChainTarget <= 1)
TagUnitMap.push_back(target);
else
SearchChainTarget(TagUnitMap, radius_f, EffectChainTarget, SPELL_TARGETS_CHAINHEAL);
break;
}
}break;
case TARGET_TYPE_CHANNEL:
{
if(!m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL])
{
sLog.outError( "SPELL: no current channeled spell for spell ID %u\n", m_spellInfo->Id );
break;
}
switch(cur)
{
case TARGET_UNIT_CHANNEL:
if(Unit* target = m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets.getUnitTarget())
TagUnitMap.push_back(target);
else
sLog.outError( "SPELL: cannot find channel spell target for spell ID %u\n", m_spellInfo->Id );
break;
case TARGET_DEST_CHANNEL:
if(m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets.HasDest())
m_targets = m_caster->m_currentSpells[CURRENT_CHANNELED_SPELL]->m_targets;
else
sLog.outError( "SPELL: cannot find channel spell destination for spell ID %u\n", m_spellInfo->Id );
break;
}
}break;
case TARGET_TYPE_AREA_DEST:
{
if(!m_targets.HasDest())
{
sLog.outError( "SPELL: cannot find destination for spell ID %u\n", m_spellInfo->Id );
return;
}
// Dummy for client
if(spellmgr.EffectTargetType[m_spellInfo->Effect[i]] == SPELL_REQUIRE_DEST)
break;
switch(cur)
{
case TARGET_UNIT_AREA_ENEMY_GROUND:
m_targets.m_targetMask |= TARGET_FLAG_DEST_LOCATION;
case TARGET_UNIT_AREA_ENEMY:
SearchAreaTarget(TagUnitMap, radius_h, PUSH_DEST_CENTER, SPELL_TARGETS_ENEMY);
break;
case TARGET_UNIT_AREA_ALLY_GROUND:
m_targets.m_targetMask |= TARGET_FLAG_DEST_LOCATION;
case TARGET_UNIT_AREA_ALLY:
SearchAreaTarget(TagUnitMap, radius_f, PUSH_DEST_CENTER, SPELL_TARGETS_ALLY);
break;
case TARGET_UNIT_AREA_PARTY_GROUND:
m_targets.m_targetMask |= TARGET_FLAG_DEST_LOCATION;
case TARGET_UNIT_AREA_PARTY:
m_caster->GetPartyMember(TagUnitMap, radius_f);
break;
case TARGET_UNIT_AREA_ENTRY_GROUND:
m_targets.m_targetMask |= TARGET_FLAG_DEST_LOCATION;
case TARGET_UNIT_AREA_ENTRY:
{
SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
if(lower==upper)
{
SearchAreaTarget(TagUnitMap, radius_h, PUSH_DEST_CENTER, SPELL_TARGETS_ENEMY);
sLog.outErrorDb("Spell (ID: %u) (caster Entry: %u) does not have record in `spell_script_target`", m_spellInfo->Id, m_caster->GetEntry());
break;
}
// let it be done in one check?
for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
{
if(i_spellST->second.type != SPELL_TARGET_TYPE_CREATURE)
{
sLog.outError( "SPELL: spell ID %u requires non-creature target\n", m_spellInfo->Id );
continue;
}
SearchAreaTarget(TagUnitMap, radius_f, PUSH_DEST_CENTER, SPELL_TARGETS_ENTRY, i_spellST->second.targetEntry);
}
}
break;
}
}break;
case TARGET_TYPE_DEFAULT:
{
switch(cur)
{
case TARGET_GAMEOBJECT:
{
if(m_targets.getGOTarget())
AddGOTarget(m_targets.getGOTarget(), i);
}break;
case TARGET_GAMEOBJECT_ITEM:
{
if(m_targets.getGOTargetGUID())
AddGOTarget(m_targets.getGOTarget(), i);
else if(m_targets.getItemTarget())
AddItemTarget(m_targets.getItemTarget(), i);
}break;
case TARGET_TABLE_X_Y_Z_COORDINATES:
if(SpellTargetPosition const* st = spellmgr.GetSpellTargetPosition(m_spellInfo->Id))
{
//TODO: fix this check
if(m_spellInfo->Effect[0] == SPELL_EFFECT_TELEPORT_UNITS
|| m_spellInfo->Effect[1] == SPELL_EFFECT_TELEPORT_UNITS
|| m_spellInfo->Effect[2] == SPELL_EFFECT_TELEPORT_UNITS)
m_targets.setDestination(st->target_X, st->target_Y, st->target_Z, true, (int32)st->target_mapId);
else if(st->target_mapId == m_caster->GetMapId())
m_targets.setDestination(st->target_X, st->target_Y, st->target_Z);
}
else
sLog.outError( "SPELL: unknown target coordinates for spell ID %u\n", m_spellInfo->Id );
break;
case TARGET_INNKEEPER_COORDINATES:
if(m_caster->GetTypeId() == TYPEID_PLAYER)
m_targets.setDestination(((Player*)m_caster)->m_homebindX,((Player*)m_caster)->m_homebindY,((Player*)m_caster)->m_homebindZ, true, ((Player*)m_caster)->m_homebindMapId);
break;
case TARGET_IN_FRONT_OF_CASTER:
case TARGET_UNIT_CONE_ENEMY_UNKNOWN:
if(m_customAttr & SPELL_ATTR_CU_CONE_BACK)
SearchAreaTarget(TagUnitMap, radius_h, PUSH_IN_BACK, SPELL_TARGETS_ENEMY);
else if(m_customAttr & SPELL_ATTR_CU_CONE_LINE)
SearchAreaTarget(TagUnitMap, radius_h, PUSH_IN_LINE, SPELL_TARGETS_ENEMY);
else
SearchAreaTarget(TagUnitMap, radius_h, PUSH_IN_FRONT, SPELL_TARGETS_ENEMY);
break;
case TARGET_UNIT_CONE_ALLY:
SearchAreaTarget(TagUnitMap, radius_f, PUSH_IN_FRONT, SPELL_TARGETS_ALLY);
break;
// nearby target
case TARGET_UNIT_NEARBY_ALLY:
case TARGET_UNIT_NEARBY_ALLY_UNK:
if(!m_targets.getUnitTarget())
m_targets.setUnitTarget(SearchNearbyTarget(radius_f, SPELL_TARGETS_ALLY));
if(m_targets.getUnitTarget())
{
if(EffectChainTarget <= 1)
TagUnitMap.push_back(m_targets.getUnitTarget());
else
SearchChainTarget(TagUnitMap, radius_f, EffectChainTarget, SPELL_TARGETS_ALLY);
}
break;
case TARGET_UNIT_NEARBY_ENEMY:
if(!m_targets.getUnitTarget())
m_targets.setUnitTarget(SearchNearbyTarget(radius_h, SPELL_TARGETS_ENEMY));
if(m_targets.getUnitTarget())
{
if(EffectChainTarget <= 1)
TagUnitMap.push_back(m_targets.getUnitTarget());
else
SearchChainTarget(TagUnitMap, radius_h, EffectChainTarget, SPELL_TARGETS_ENEMY);
}
break;
case TARGET_SCRIPT:
case TARGET_SCRIPT_COORDINATES:
case TARGET_UNIT_AREA_SCRIPT:
{
SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
if(lower==upper)
{
sLog.outErrorDb("Spell (ID: %u) (caster Entry: %u) does not have record in `spell_script_target`", m_spellInfo->Id, m_caster->GetEntry());
TagUnitMap.push_back(m_caster);
break;
}
SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
float range = GetSpellMaxRangeForHostile(srange);
Creature* creatureScriptTarget = NULL;
GameObject* goScriptTarget = NULL;
for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
{
switch(i_spellST->second.type)
{
case SPELL_TARGET_TYPE_GAMEOBJECT:
{
GameObject* p_GameObject = NULL;
if(i_spellST->second.targetEntry)
{
Trinity::NearestGameObjectEntryInObjectRangeCheck go_check(*m_caster,i_spellST->second.targetEntry,range);
Trinity::GameObjectLastSearcher<Trinity::NearestGameObjectEntryInObjectRangeCheck> checker(m_caster, p_GameObject,go_check);
m_caster->VisitNearbyGridObject(range, checker);
if(p_GameObject)
{
// remember found target and range, next attempt will find more near target with another entry
creatureScriptTarget = NULL;
goScriptTarget = p_GameObject;
range = go_check.GetLastRange();
}
}
else if( focusObject ) //Focus Object
{
float frange = m_caster->GetDistance(focusObject);
if(range >= frange)
{
creatureScriptTarget = NULL;
goScriptTarget = focusObject;
range = frange;
}
}
break;
}
case SPELL_TARGET_TYPE_CREATURE:
case SPELL_TARGET_TYPE_DEAD:
default:
{
Creature *p_Creature = NULL;
Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster,i_spellST->second.targetEntry,i_spellST->second.type!=SPELL_TARGET_TYPE_DEAD,range);
Trinity::CreatureLastSearcher<Trinity::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(m_caster, p_Creature, u_check);
m_caster->VisitNearbyObject(range, searcher);
if(p_Creature )
{
creatureScriptTarget = p_Creature;
goScriptTarget = NULL;
range = u_check.GetLastRange();
}
break;
}
}
}
if(cur == TARGET_SCRIPT_COORDINATES)
{
if(creatureScriptTarget)
m_targets.setDestination(creatureScriptTarget->GetPositionX(),creatureScriptTarget->GetPositionY(),creatureScriptTarget->GetPositionZ());
else if(goScriptTarget)
m_targets.setDestination(goScriptTarget->GetPositionX(),goScriptTarget->GetPositionY(),goScriptTarget->GetPositionZ());
}
else
{
if(creatureScriptTarget)
TagUnitMap.push_back(creatureScriptTarget);
else if(goScriptTarget)
AddGOTarget(goScriptTarget, i);
}
}break;
// dummy
case TARGET_AREAEFFECT_CUSTOM_2:
{
TagUnitMap.push_back(m_caster);
break;
}
case TARGET_AREAEFFECT_PARTY_AND_CLASS:
{
Player* targetPlayer = m_targets.getUnitTarget() && m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER
? (Player*)m_targets.getUnitTarget() : NULL;
Group* pGroup = targetPlayer ? targetPlayer->GetGroup() : NULL;
if(pGroup)
{
for(GroupReference *itr = pGroup->GetFirstMember(); itr != NULL; itr = itr->next())
{
Player* Target = itr->getSource();
// IsHostileTo check duel and controlled by enemy
if( Target && targetPlayer->IsWithinDistInMap(Target, radius_f) &&
targetPlayer->getClass() == Target->getClass() &&
!m_caster->IsHostileTo(Target) )
{
TagUnitMap.push_back(Target);
}
}
}
else if(m_targets.getUnitTarget())
TagUnitMap.push_back(m_targets.getUnitTarget());
break;
}
}
}break;
case TARGET_TYPE_DEST_CASTER:
{
if(cur == TARGET_DEST_CASTER_GROUND)
{
m_targets.setDestination(m_caster, true);
break;
}
else if(cur == TARGET_DEST_CASTER)
{
m_targets.setDestination(m_caster, false);
break;
}
float x, y, z, angle, dist;
float objSize = m_caster->GetObjectSize();
dist = GetSpellRadiusForFriend(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
if(dist < objSize)
dist = objSize;
else if(cur == TARGET_DEST_CASTER_RANDOM)
dist = objSize + (dist - objSize) * rand_norm();
switch(cur)
{
case TARGET_DEST_CASTER_FRONT_LEFT: angle = -M_PI/4; break;
case TARGET_DEST_CASTER_BACK_LEFT: angle = -3*M_PI/4; break;
case TARGET_DEST_CASTER_BACK_RIGHT: angle = 3*M_PI/4; break;
case TARGET_DEST_CASTER_FRONT_RIGHT:angle = M_PI/4; break;
case TARGET_MINION:
case TARGET_DEST_CASTER_FRONT_LEAP:
case TARGET_DEST_CASTER_FRONT: angle = 0.0f; break;
case TARGET_DEST_CASTER_BACK: angle = M_PI; break;
case TARGET_DEST_CASTER_RIGHT: angle = M_PI/2; break;
case TARGET_DEST_CASTER_LEFT: angle = -M_PI/2; break;
default: angle = rand_norm()*2*M_PI; break;
}
m_caster->GetGroundPointAroundUnit(x, y, z, dist, angle);
m_targets.setDestination(x, y, z); // do not know if has ground visual
}break;
case TARGET_TYPE_DEST_TARGET:
{
Unit *target = m_targets.getUnitTarget();
if(!target)
{
sLog.outError("SPELL: no unit target for spell ID %u\n", m_spellInfo->Id);
break;
}
if(cur == TARGET_DEST_TARGET_ENEMY || cur == TARGET_DEST_TARGET_ANY)
{
m_targets.setDestination(target, true);
break;
}
float x, y, z, angle, dist;
float objSize = target->GetObjectSize();
dist = target->GetSpellRadiusForTarget(target, sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
if(dist < objSize)
dist = objSize;
else if(cur == TARGET_DEST_CASTER_RANDOM)
dist = objSize + (dist - objSize) * rand_norm();
switch(cur)
{
case TARGET_DEST_TARGET_FRONT: angle = 0.0f; break;
case TARGET_DEST_TARGET_BACK: angle = M_PI; break;
case TARGET_DEST_TARGET_RIGHT: angle = M_PI/2; break;
case TARGET_DEST_TARGET_LEFT: angle = -M_PI/2; break;
case TARGET_DEST_TARGET_FRONT_LEFT: angle = -M_PI/4; break;
case TARGET_DEST_TARGET_BACK_LEFT: angle = -3*M_PI/4; break;
case TARGET_DEST_TARGET_BACK_RIGHT: angle = 3*M_PI/4; break;
case TARGET_DEST_TARGET_FRONT_RIGHT:angle = M_PI/4; break;
default: angle = rand_norm()*2*M_PI; break;
}
target->GetGroundPointAroundUnit(x, y, z, dist, angle);
m_targets.setDestination(x, y, z); // do not know if has ground visual
}break;
case TARGET_TYPE_DEST_DEST:
{
if(!m_targets.HasDest())
{
sLog.outError("SPELL: no destination for spell ID %u\n", m_spellInfo->Id);
break;
}
if(cur == TARGET_DEST_DEST)
break;
float x, y, z, angle, dist;
dist = GetSpellRadiusForFriend(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
if (cur == TARGET_DEST_DEST_RANDOM)
dist *= rand_norm();
switch(cur)
{
case TARGET_DEST_DEST_FRONT: angle = 0.0f; break;
case TARGET_DEST_DEST_BACK: angle = M_PI; break;
case TARGET_DEST_DEST_RIGHT: angle = M_PI/2; break;
case TARGET_DEST_DEST_LEFT: angle = -M_PI/2; break;
case TARGET_DEST_DEST_FRONT_LEFT: angle = -M_PI/4; break;
case TARGET_DEST_DEST_BACK_LEFT: angle = -3*M_PI/4; break;
case TARGET_DEST_DEST_BACK_RIGHT: angle = 3*M_PI/4; break;
case TARGET_DEST_DEST_FRONT_RIGHT:angle = M_PI/4; break;
default: angle = rand_norm()*2*M_PI; break;
}
x = m_targets.m_destX;
y = m_targets.m_destY;
z = m_targets.m_destZ;
m_caster->GetGroundPoint(x, y, z, dist, angle);
m_targets.setDestination(x, y, z); // do not know if has ground visual
}break;
default:
break;
}
if(unMaxTargets && TagUnitMap.size() > 1)
{
if(m_targets.getUnitTarget())
{
TagUnitMap.remove(m_targets.getUnitTarget());
if(m_spellInfo->Id != 5246) //Intimidating Shout
--unMaxTargets;
}
// remove random units from the map
std::list<Unit*>::iterator itr;
while(TagUnitMap.size() > unMaxTargets)
{
itr = TagUnitMap.begin();
advance(itr, urand(0, TagUnitMap.size() - 1));
TagUnitMap.erase(itr);
}
// the player's target will always be added to the map
if(m_targets.getUnitTarget() && m_spellInfo->Id != 5246)
TagUnitMap.push_back(m_targets.getUnitTarget());
}
}
void Spell::prepare(SpellCastTargets const* targets, Aura* triggeredByAura)
{
if(m_CastItem)
m_castItemGUID = m_CastItem->GetGUID();
else
m_castItemGUID = 0;
m_targets = *targets;
if(!m_targets.getUnitTargetGUID() && m_spellInfo->Targets & TARGET_FLAG_UNIT)
{
if(Unit *target = ObjectAccessor::GetUnit(*m_caster, m_caster->GetUInt64Value(UNIT_FIELD_TARGET)))
if(IsValidSingleTargetSpell(target))
m_targets.setUnitTarget(target);
}
m_spellState = SPELL_STATE_PREPARING;
m_caster->GetPosition(m_castPositionX, m_castPositionY, m_castPositionZ);
m_castOrientation = m_caster->GetOrientation();
if(triggeredByAura)
m_triggeredByAuraSpell = triggeredByAura->GetSpellProto();
// create and add update event for this spell
SpellEvent* Event = new SpellEvent(this);
m_caster->m_Events.AddEvent(Event, m_caster->m_Events.CalculateTime(1));
//Prevent casting at cast another spell (ServerSide check)
if(m_caster->IsNonMeleeSpellCasted(false, true, true) && m_cast_count)
{
SendCastResult(SPELL_FAILED_SPELL_IN_PROGRESS);
finish(false);
return;
}
if(m_caster->GetTypeId() == TYPEID_PLAYER)
{
if(objmgr.IsPlayerSpellDisabled(m_spellInfo->Id))
{
SendCastResult(SPELL_FAILED_SPELL_UNAVAILABLE);
finish(false);
return;
}
}
else if (m_caster->GetTypeId() == TYPEID_UNIT && ((Creature*)m_caster)->isPet())
{
if(objmgr.IsPetSpellDisabled(m_spellInfo->Id))
{
SendCastResult(SPELL_FAILED_SPELL_UNAVAILABLE);
finish(false);
return;
}
}
else
{
if(objmgr.IsCreatureSpellDisabled(m_spellInfo->Id))
{
finish(false);
return;
}
}
// Fill cost data
m_powerCost = CalculatePowerCost();
SpellCastResult result = CheckCast(true);
if(result != SPELL_CAST_OK && !IsAutoRepeat()) //always cast autorepeat dummy for triggering
{
if(triggeredByAura)
{
SendChannelUpdate(0);
triggeredByAura->SetAuraDuration(0);
}
SendCastResult(result);
finish(false);
return;
}
// Prepare data for triggers
prepareDataForTriggerSystem();
// calculate cast time (calculated after first CheckCast check to prevent charge counting for first CheckCast fail)
m_casttime = GetSpellCastTime(m_spellInfo, this);
// set timer base at cast time
ReSetTimer();
//Containers for channeled spells have to be set
//TODO:Apply this to all casted spells if needed
if(m_IsTriggeredSpell && !IsChanneledSpell(m_spellInfo))
cast(true);
else
{
// stealth must be removed at cast starting (at show channel bar)
// skip triggered spell (item equip spell casting and other not explicit character casts/item uses)
if(isSpellBreakStealth(m_spellInfo) )
m_caster->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_CAST);
m_caster->SetCurrentCastedSpell( this );
m_selfContainer = &(m_caster->m_currentSpells[GetCurrentContainer()]);
SendSpellStart();
if(!m_casttime && !m_spellInfo->StartRecoveryTime
&& !m_castItemGUID //item: first cast may destroy item and second cast causes crash
&& GetCurrentContainer() == CURRENT_GENERIC_SPELL)
cast(true);
}
}
void Spell::cancel()
{
if(m_spellState == SPELL_STATE_FINISHED)
return;
uint32 oldState = m_spellState;
m_spellState = SPELL_STATE_FINISHED;
m_autoRepeat = false;
switch (oldState)
{
case SPELL_STATE_PREPARING:
case SPELL_STATE_DELAYED:
{
SendInterrupted(0);
SendCastResult(SPELL_FAILED_INTERRUPTED);
} break;
case SPELL_STATE_CASTING:
{
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
{
if( ihit->missCondition == SPELL_MISS_NONE )
{
Unit* unit = m_caster->GetGUID()==(*ihit).targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
if( unit && unit->isAlive() )
unit->RemoveAurasByCasterSpell(m_spellInfo->Id, m_caster->GetGUID());
}
}
m_caster->RemoveAurasByCasterSpell(m_spellInfo->Id, m_caster->GetGUID());
SendChannelUpdate(0);
SendInterrupted(0);
SendCastResult(SPELL_FAILED_INTERRUPTED);
} break;
default:
{
} break;
}
m_caster->RemoveDynObject(m_spellInfo->Id);
m_caster->RemoveGameObject(m_spellInfo->Id,true);
//set state back so finish will be processed
m_spellState = oldState;
finish(false);
}
void Spell::cast(bool skipCheck)
{
SetExecutedCurrently(true);
// update pointers base at GUIDs to prevent access to non-existed already object
UpdatePointers();
// cancel at lost main target unit
if(!m_targets.getUnitTarget() && m_targets.getUnitTargetGUID() && m_targets.getUnitTargetGUID() != m_caster->GetGUID())
{
cancel();
SetExecutedCurrently(false);
return;
}
if(m_caster->GetTypeId() != TYPEID_PLAYER && m_targets.getUnitTarget() && m_targets.getUnitTarget() != m_caster)
m_caster->SetInFront(m_targets.getUnitTarget());
if(!m_IsTriggeredSpell)
{
SpellCastResult castResult = CheckPower();
if(castResult != SPELL_CAST_OK)
{
SendCastResult(castResult);
finish(false);
SetExecutedCurrently(false);
return;
}
}
// triggered cast called from Spell::prepare where it was already checked
if(!skipCheck)
{
SpellCastResult castResult = CheckCast(false);
if(castResult != SPELL_CAST_OK)
{
SendCastResult(castResult);
finish(false);
SetExecutedCurrently(false);
return;
}
}
FillTargetMap();
if(m_spellInfo->SpellFamilyName)
{
if (m_spellInfo->excludeCasterAuraSpell)
m_preCastSpell = m_spellInfo->excludeCasterAuraSpell;
else if (m_spellInfo->excludeTargetAuraSpell)
m_preCastSpell = m_spellInfo->excludeTargetAuraSpell;
}
switch (m_spellInfo->SpellFamilyName)
{
case SPELLFAMILY_GENERIC:
{
if (m_spellInfo->Mechanic == MECHANIC_BANDAGE) // Bandages
m_preCastSpell = 11196; // Recently Bandaged
else if(m_spellInfo->SpellIconID == 1662 && m_spellInfo->AttributesEx & 0x20)
m_preCastSpell = 23230; // Blood Fury - Healing Reduction
break;
}
}
// traded items have trade slot instead of guid in m_itemTargetGUID
// set to real guid to be sent later to the client
m_targets.updateTradeSlotItem();
if (m_caster->GetTypeId() == TYPEID_PLAYER)
{
if (m_CastItem)
((Player*)m_caster)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_USE_ITEM, m_CastItem->GetEntry());
((Player*)m_caster)->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_CAST_SPELL, m_spellInfo->Id);
}
if(!m_IsTriggeredSpell)
{
//TakePower();
TakeReagents(); // we must remove reagents before HandleEffects to allow place crafted item in same slot
}
// CAST SPELL
SendSpellCooldown();
//SendCastResult(castResult);
SendSpellGo(); // we must send smsg_spell_go packet before m_castItem delete in TakeCastItem()...
if(m_customAttr & SPELL_ATTR_CU_DIRECT_DAMAGE)
CalculateDamageDoneForAllTargets();
//are there any spells need to be triggered after hit?
// handle SPELL_AURA_ADD_TARGET_TRIGGER auras
Unit::AuraList const& targetTriggers = m_caster->GetAurasByType(SPELL_AURA_ADD_TARGET_TRIGGER);
for(Unit::AuraList::const_iterator i = targetTriggers.begin(); i != targetTriggers.end(); ++i)
{
if (!(*i)->isAffectedOnSpell(m_spellInfo))
continue;
SpellEntry const *auraSpellInfo = (*i)->GetSpellProto();
uint32 auraSpellIdx = (*i)->GetEffIndex();
if(SpellEntry const *spellInfo = sSpellStore.LookupEntry(auraSpellInfo->EffectTriggerSpell[auraSpellIdx]))
{
// Calculate chance at that moment (can be depend for example from combo points)
int32 chance = m_caster->CalculateSpellDamage(auraSpellInfo, auraSpellIdx, (*i)->GetBasePoints(), NULL);
m_ChanceTriggerSpells.push_back(std::make_pair(spellInfo, chance * (*i)->GetStackAmount()));
}
}
if(m_customAttr & SPELL_ATTR_CU_CHARGE)
EffectCharge(0);
// Okay, everything is prepared. Now we need to distinguish between immediate and evented delayed spells
if (m_spellInfo->speed > 0.0f && !IsChanneledSpell(m_spellInfo))
{
// Remove used for cast item if need (it can be already NULL after TakeReagents call
// in case delayed spell remove item at cast delay start
TakeCastItem();
// Okay, maps created, now prepare flags
m_immediateHandled = false;
m_spellState = SPELL_STATE_DELAYED;
SetDelayStart(0);
}
else
{
// Immediate spell, no big deal
handle_immediate();
}
// combo points should not be taken before SPELL_AURA_ADD_TARGET_TRIGGER auras are handled
if(!m_IsTriggeredSpell)
{
TakePower();
}
if(m_customAttr & SPELL_ATTR_CU_LINK_CAST)
{
if(const std::vector<int32> *spell_triggered = spellmgr.GetSpellLinked(m_spellInfo->Id))
for(std::vector<int32>::const_iterator i = spell_triggered->begin(); i != spell_triggered->end(); ++i)
if(*i < 0)
m_caster->RemoveAurasDueToSpell(-(*i));
else
m_caster->CastSpell(m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster, *i, true);
}
SetExecutedCurrently(false);
}
void Spell::handle_immediate()
{
// start channeling if applicable
if(IsChanneledSpell(m_spellInfo))
{
int32 duration = GetSpellDuration(m_spellInfo);
if (duration)
{
//apply haste mods
m_caster->ModSpellCastTime(m_spellInfo, duration, this);
// Apply duration mod
if(Player* modOwner = m_caster->GetSpellModOwner())
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_DURATION, duration);
m_spellState = SPELL_STATE_CASTING;
m_caster->AddInterruptMask(m_spellInfo->ChannelInterruptFlags);
SendChannelStart(duration);
}
}
// process immediate effects (items, ground, etc.) also initialize some variables
_handle_immediate_phase();
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
DoAllEffectOnTarget(&(*ihit));
for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
DoAllEffectOnTarget(&(*ihit));
// spell is finished, perform some last features of the spell here
_handle_finish_phase();
// Remove used for cast item if need (it can be already NULL after TakeReagents call
TakeCastItem();
if(m_spellState != SPELL_STATE_CASTING)
finish(true); // successfully finish spell cast (not last in case autorepeat or channel spell)
}
uint64 Spell::handle_delayed(uint64 t_offset)
{
UpdatePointers();
uint64 next_time = 0;
if (!m_immediateHandled)
{
_handle_immediate_phase();
m_immediateHandled = true;
}
bool single_missile = (m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION);
// now recheck units targeting correctness (need before any effects apply to prevent adding immunity at first effect not allow apply second spell effect and similar cases)
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end();++ihit)
{
if (ihit->processed == false)
{
if ( single_missile || ihit->timeDelay <= t_offset )
DoAllEffectOnTarget(&(*ihit));
else if( next_time == 0 || ihit->timeDelay < next_time )
next_time = ihit->timeDelay;
}
}
// now recheck gameobject targeting correctness
for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin(); ighit != m_UniqueGOTargetInfo.end();++ighit)
{
if (ighit->processed == false)
{
if ( single_missile || ighit->timeDelay <= t_offset )
DoAllEffectOnTarget(&(*ighit));
else if( next_time == 0 || ighit->timeDelay < next_time )
next_time = ighit->timeDelay;
}
}
// All targets passed - need finish phase
if (next_time == 0)
{
// spell is finished, perform some last features of the spell here
_handle_finish_phase();
finish(true); // successfully finish spell cast
// return zero, spell is finished now
return 0;
}
else
{
// spell is unfinished, return next execution time
return next_time;
}
}
void Spell::_handle_immediate_phase()
{
// handle some immediate features of the spell here
HandleThreatSpells(m_spellInfo->Id);
m_needSpellLog = IsNeedSendToClient();
for(uint32 j = 0;j<3;j++)
{
if(m_spellInfo->Effect[j]==0)
continue;
// apply Send Event effect to ground in case empty target lists
if( m_spellInfo->Effect[j] == SPELL_EFFECT_SEND_EVENT && !HaveTargetsForEffect(j) )
{
HandleEffects(NULL,NULL,NULL, j);
continue;
}
// Don't do spell log, if is school damage spell
if(m_spellInfo->Effect[j] == SPELL_EFFECT_SCHOOL_DAMAGE || m_spellInfo->Effect[j] == 0)
m_needSpellLog = false;
}
// initialize Diminishing Returns Data
m_diminishLevel = DIMINISHING_LEVEL_1;
m_diminishGroup = DIMINISHING_NONE;
// process items
for(std::list<ItemTargetInfo>::iterator ihit= m_UniqueItemInfo.begin();ihit != m_UniqueItemInfo.end();++ihit)
DoAllEffectOnTarget(&(*ihit));
if(!m_originalCaster)
return;
// process ground
for(uint32 j = 0; j < 3; ++j)
{
if(spellmgr.EffectTargetType[m_spellInfo->Effect[j]] == SPELL_REQUIRE_DEST)
{
if(!m_targets.HasDest())
m_targets.setDestination(m_caster, false);
HandleEffects(m_originalCaster, NULL, NULL, j);
}
else if(spellmgr.EffectTargetType[m_spellInfo->Effect[j]] == SPELL_REQUIRE_NONE)
HandleEffects(m_originalCaster, NULL, NULL, j);
}
}
void Spell::_handle_finish_phase()
{
// spell log
if(m_needSpellLog)
SendLogExecute();
}
void Spell::SendSpellCooldown()
{
if(m_caster->GetTypeId() != TYPEID_PLAYER)
return;
Player* _player = (Player*)m_caster;
// mana/health/etc potions, disabled by client (until combat out as declarate)
if (m_CastItem && m_CastItem->IsPotion())
{
// need in some way provided data for Spell::finish SendCooldownEvent
_player->SetLastPotionId(m_CastItem->GetEntry());
return;
}
// have infinity cooldown but set at aura apply
if(m_spellInfo->Attributes & SPELL_ATTR_DISABLED_WHILE_ACTIVE)
return;
_player->AddSpellAndCategoryCooldowns(m_spellInfo,m_CastItem ? m_CastItem->GetEntry() : 0, this);
}
void Spell::update(uint32 difftime)
{
// update pointers based at it's GUIDs
UpdatePointers();
if(m_targets.getUnitTargetGUID() && !m_targets.getUnitTarget())
{
cancel();
return;
}
// check if the player caster has moved before the spell finished
if ((m_caster->GetTypeId() == TYPEID_PLAYER && m_timer != 0) &&
(m_castPositionX != m_caster->GetPositionX() || m_castPositionY != m_caster->GetPositionY() || m_castPositionZ != m_caster->GetPositionZ()) &&
(m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK || !m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING)))
{
// always cancel for channeled spells
//if( m_spellState == SPELL_STATE_CASTING )
// cancel();
// don't cancel for melee, autorepeat, triggered and instant spells
//else
if(!IsNextMeleeSwingSpell() && !IsAutoRepeat() && !m_IsTriggeredSpell && (m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_MOVEMENT))
cancel();
}
switch(m_spellState)
{
case SPELL_STATE_PREPARING:
{
if(m_timer)
{
if(difftime >= m_timer)
m_timer = 0;
else
m_timer -= difftime;
}
if(m_timer == 0 && !IsNextMeleeSwingSpell() && !IsAutoRepeat())
cast(m_spellInfo->CastingTimeIndex == 1);
} break;
case SPELL_STATE_CASTING:
{
if(m_timer > 0)
{
if( m_caster->GetTypeId() == TYPEID_PLAYER )
{
// check if player has jumped before the channeling finished
if(m_caster->HasUnitMovementFlag(MOVEMENTFLAG_JUMPING))
cancel();
// check for incapacitating player states
//if( m_caster->hasUnitState(UNIT_STAT_STUNNED | UNIT_STAT_CONFUSED))
// cancel();
}
// check if there are alive targets left
if (!IsAliveUnitPresentInTargetList())
{
SendChannelUpdate(0);
finish();
}
if(difftime >= m_timer)
m_timer = 0;
else
m_timer -= difftime;
}
if(m_timer == 0)
{
SendChannelUpdate(0);
// channeled spell processed independently for quest targeting
// cast at creature (or GO) quest objectives update at successful cast channel finished
// ignore autorepeat/melee casts for speed (not exist quest for spells (hm... )
if( m_caster->GetTypeId() == TYPEID_PLAYER && !IsAutoRepeat() && !IsNextMeleeSwingSpell() )
{
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
{
TargetInfo* target = &*ihit;
if(!IS_CREATURE_GUID(target->targetGUID))
continue;
Unit* unit = m_caster->GetGUID()==target->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster,target->targetGUID);
if (unit==NULL)
continue;
((Player*)m_caster)->CastedCreatureOrGO(unit->GetEntry(),unit->GetGUID(),m_spellInfo->Id);
}
for(std::list<GOTargetInfo>::iterator ihit= m_UniqueGOTargetInfo.begin();ihit != m_UniqueGOTargetInfo.end();++ihit)
{
GOTargetInfo* target = &*ihit;
GameObject* go = ObjectAccessor::GetGameObject(*m_caster, target->targetGUID);
if(!go)
continue;
((Player*)m_caster)->CastedCreatureOrGO(go->GetEntry(),go->GetGUID(),m_spellInfo->Id);
}
}
finish();
}
} break;
default:
{
}break;
}
}
void Spell::finish(bool ok)
{
if(!m_caster)
return;
if(m_spellState == SPELL_STATE_FINISHED)
return;
m_spellState = SPELL_STATE_FINISHED;
if(IsChanneledSpell(m_spellInfo))
m_caster->UpdateInterruptMask();
if(!m_caster->IsNonMeleeSpellCasted(false, false, true))
m_caster->clearUnitState(UNIT_STAT_CASTING);
// other code related only to successfully finished spells
if(!ok)
return;
//remove spell mods
if (m_caster->GetTypeId() == TYPEID_PLAYER)
((Player*)m_caster)->RemoveSpellMods(this);
// Heal caster for all health leech from all targets
if (m_healthLeech)
{
m_caster->ModifyHealth(m_healthLeech);
m_caster->SendHealSpellLog(m_caster, m_spellInfo->Id, uint32(m_healthLeech));
}
if (IsMeleeAttackResetSpell())
{
m_caster->resetAttackTimer(BASE_ATTACK);
if(m_caster->haveOffhandWeapon())
m_caster->resetAttackTimer(OFF_ATTACK);
if(!(m_spellInfo->AttributesEx2 & SPELL_ATTR_EX2_NOT_RESET_AUTOSHOT))
m_caster->resetAttackTimer(RANGED_ATTACK);
}
// potions disabled by client, send event "not in combat" if need
if (m_caster->GetTypeId() == TYPEID_PLAYER)
((Player*)m_caster)->UpdatePotionCooldown(this);
// call triggered spell only at successful cast (after clear combo points -> for add some if need)
// I assume what he means is that some triggered spells may add combo points
if(!m_TriggerSpells.empty())
TriggerSpell();
// Stop Attack for some spells
if( m_spellInfo->Attributes & SPELL_ATTR_STOP_ATTACK_TARGET )
m_caster->AttackStop();
}
void Spell::SendCastResult(SpellCastResult result)
{
if(result == SPELL_CAST_OK)
return;
if (m_caster->GetTypeId() != TYPEID_PLAYER)
return;
if(((Player*)m_caster)->GetSession()->PlayerLoading()) // don't send cast results at loading time
return;
WorldPacket data(SMSG_CAST_FAILED, (4+1+1));
data << uint8(m_cast_count); // single cast or multi 2.3 (0/1)
data << uint32(m_spellInfo->Id);
data << uint8(result); // problem
switch (result)
{
case SPELL_FAILED_REQUIRES_SPELL_FOCUS:
data << uint32(m_spellInfo->RequiresSpellFocus);
break;
case SPELL_FAILED_REQUIRES_AREA:
// hardcode areas limitation case
switch(m_spellInfo->Id)
{
case 41617: // Cenarion Mana Salve
case 41619: // Cenarion Healing Salve
data << uint32(3905);
break;
case 41618: // Bottled Nethergon Energy
case 41620: // Bottled Nethergon Vapor
data << uint32(3842);
break;
case 45373: // Bloodberry Elixir
data << uint32(4075);
break;
default: // default case (don't must be)
data << uint32(0);
break;
}
break;
case SPELL_FAILED_TOTEMS:
if(m_spellInfo->Totem[0])
data << uint32(m_spellInfo->Totem[0]);
if(m_spellInfo->Totem[1])
data << uint32(m_spellInfo->Totem[1]);
break;
case SPELL_FAILED_TOTEM_CATEGORY:
if(m_spellInfo->TotemCategory[0])
data << uint32(m_spellInfo->TotemCategory[0]);
if(m_spellInfo->TotemCategory[1])
data << uint32(m_spellInfo->TotemCategory[1]);
break;
case SPELL_FAILED_EQUIPPED_ITEM_CLASS:
data << uint32(m_spellInfo->EquippedItemClass);
data << uint32(m_spellInfo->EquippedItemSubClassMask);
//data << uint32(m_spellInfo->EquippedItemInventoryTypeMask);
break;
}
((Player*)m_caster)->GetSession()->SendPacket(&data);
}
void Spell::SendSpellStart()
{
if(!IsNeedSendToClient())
return;
sLog.outDebug("Sending SMSG_SPELL_START id=%u", m_spellInfo->Id);
uint32 castFlags = CAST_FLAG_UNKNOWN1;
if(IsRangedSpell())
castFlags |= CAST_FLAG_AMMO;
if(m_spellInfo->runeCostID)
castFlags |= CAST_FLAG_UNKNOWN10;
Unit *target = m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster;
WorldPacket data(SMSG_SPELL_START, (8+8+4+4+2));
if(m_CastItem)
data.append(m_CastItem->GetPackGUID());
else
data.append(m_caster->GetPackGUID());
data.append(m_caster->GetPackGUID());
data << uint8(m_cast_count); // pending spell cast?
data << uint32(m_spellInfo->Id); // spellId
data << uint32(castFlags); // cast flags
data << uint32(m_timer); // delay?
m_targets.write(&data);
if ( castFlags & CAST_FLAG_UNKNOWN6 ) // predicted power?
data << uint32(0);
if ( castFlags & CAST_FLAG_UNKNOWN7 ) // rune cooldowns list
{
uint8 v1 = 0;//m_runesState;
uint8 v2 = 0;//((Player*)m_caster)->GetRunesState();
data << uint8(v1); // runes state before
data << uint8(v2); // runes state after
for(uint8 i = 0; i < MAX_RUNES; ++i)
{
uint8 m = (1 << i);
if(m & v1) // usable before...
if(!(m & v2)) // ...but on cooldown now...
data << uint8(0); // some unknown byte (time?)
}
}
if ( castFlags & CAST_FLAG_AMMO )
WriteAmmoToPacket(&data);
m_caster->SendMessageToSet(&data, true);
}
void Spell::SendSpellGo()
{
// not send invisible spell casting
if(!IsNeedSendToClient())
return;
sLog.outDebug("Sending SMSG_SPELL_GO id=%u", m_spellInfo->Id);
Unit *target = m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster;
uint32 castFlags = CAST_FLAG_UNKNOWN3;
if(IsRangedSpell())
castFlags |= CAST_FLAG_AMMO; // arrows/bullets visual
if((m_caster->GetTypeId() == TYPEID_PLAYER) && (m_caster->getClass() == CLASS_DEATH_KNIGHT) && m_spellInfo->runeCostID)
{
castFlags |= CAST_FLAG_UNKNOWN10; // same as in SMSG_SPELL_START
castFlags |= CAST_FLAG_UNKNOWN6; // makes cooldowns visible
castFlags |= CAST_FLAG_UNKNOWN7; // rune cooldowns list
}
WorldPacket data(SMSG_SPELL_GO, 50); // guess size
if(m_CastItem)
data.append(m_CastItem->GetPackGUID());
else
data.append(m_caster->GetPackGUID());
data.append(m_caster->GetPackGUID());
data << uint8(m_cast_count); // pending spell cast?
data << uint32(m_spellInfo->Id); // spellId
data << uint32(castFlags); // cast flags
data << uint32(getMSTime()); // timestamp
WriteSpellGoTargets(&data);
m_targets.write(&data);
if ( castFlags & CAST_FLAG_UNKNOWN6 ) // unknown wotlk, predicted power?
data << uint32(0);
if ( castFlags & CAST_FLAG_UNKNOWN7 ) // rune cooldowns list
{
uint8 v1 = m_runesState;
uint8 v2 = ((Player*)m_caster)->GetRunesState();
data << uint8(v1); // runes state before
data << uint8(v2); // runes state after
for(uint8 i = 0; i < MAX_RUNES; ++i)
{
uint8 m = (1 << i);
if(m & v1) // usable before...
if(!(m & v2)) // ...but on cooldown now...
data << uint8(0); // some unknown byte (time?)
}
}
if ( castFlags & CAST_FLAG_UNKNOWN4 ) // unknown wotlk
{
data << float(0);
data << uint32(0);
}
if ( castFlags & CAST_FLAG_AMMO )
WriteAmmoToPacket(&data);
if ( castFlags & CAST_FLAG_UNKNOWN5 ) // unknown wotlk
{
data << uint32(0);
data << uint32(0);
}
if ( m_targets.m_targetMask & TARGET_FLAG_DEST_LOCATION )
{
data << uint8(0);
}
m_caster->SendMessageToSet(&data, true);
}
void Spell::WriteAmmoToPacket( WorldPacket * data )
{
uint32 ammoInventoryType = 0;
uint32 ammoDisplayID = 0;
if (m_caster->GetTypeId() == TYPEID_PLAYER)
{
Item *pItem = ((Player*)m_caster)->GetWeaponForAttack( RANGED_ATTACK );
if(pItem)
{
ammoInventoryType = pItem->GetProto()->InventoryType;
if( ammoInventoryType == INVTYPE_THROWN )
ammoDisplayID = pItem->GetProto()->DisplayInfoID;
else
{
uint32 ammoID = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
if(ammoID)
{
ItemPrototype const *pProto = objmgr.GetItemPrototype( ammoID );
if(pProto)
{
ammoDisplayID = pProto->DisplayInfoID;
ammoInventoryType = pProto->InventoryType;
}
}
else if(m_caster->GetDummyAura(46699)) // Requires No Ammo
{
ammoDisplayID = 5996; // normal arrow
ammoInventoryType = INVTYPE_AMMO;
}
}
}
}
// TODO: implement selection ammo data based at ranged weapon stored in equipmodel/equipinfo/equipslot fields
*data << uint32(ammoDisplayID);
*data << uint32(ammoInventoryType);
}
void Spell::WriteSpellGoTargets( WorldPacket * data )
{
// This function also fill data for channeled spells:
// m_needAliveTargetMask req for stop channelig if one target die
uint32 hit = m_UniqueGOTargetInfo.size(); // Always hits on GO
uint32 miss = 0;
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
{
if ((*ihit).effectMask == 0) // No effect apply - all immuned add state
{
// possibly SPELL_MISS_IMMUNE2 for this??
ihit->missCondition = SPELL_MISS_IMMUNE2;
miss++;
}
else if ((*ihit).missCondition == SPELL_MISS_NONE)
hit++;
else
miss++;
}
*data << (uint8)hit;
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
if ((*ihit).missCondition == SPELL_MISS_NONE) // Add only hits
{
*data << uint64(ihit->targetGUID);
m_needAliveTargetMask |=ihit->effectMask;
}
for(std::list<GOTargetInfo>::iterator ighit= m_UniqueGOTargetInfo.begin();ighit != m_UniqueGOTargetInfo.end();++ighit)
*data << uint64(ighit->targetGUID); // Always hits
*data << (uint8)miss;
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
{
if( ihit->missCondition != SPELL_MISS_NONE ) // Add only miss
{
*data << uint64(ihit->targetGUID);
*data << uint8(ihit->missCondition);
if( ihit->missCondition == SPELL_MISS_REFLECT )
*data << uint8(ihit->reflectResult);
}
}
// Reset m_needAliveTargetMask for non channeled spell
if(!IsChanneledSpell(m_spellInfo))
m_needAliveTargetMask = 0;
}
void Spell::SendLogExecute()
{
Unit *target = m_targets.getUnitTarget() ? m_targets.getUnitTarget() : m_caster;
WorldPacket data(SMSG_SPELLLOGEXECUTE, (8+4+4+4+4+8));
if(m_caster->GetTypeId() == TYPEID_PLAYER)
data.append(m_caster->GetPackGUID());
else
data.append(target->GetPackGUID());
data << uint32(m_spellInfo->Id);
uint32 count1 = 1;
data << uint32(count1); // count1 (effect count?)
for(uint32 i = 0; i < count1; ++i)
{
data << uint32(m_spellInfo->Effect[0]); // spell effect
uint32 count2 = 1;
data << uint32(count2); // count2 (target count?)
for(uint32 j = 0; j < count2; ++j)
{
switch(m_spellInfo->Effect[0])
{
case SPELL_EFFECT_POWER_DRAIN:
if(Unit *unit = m_targets.getUnitTarget())
data.append(unit->GetPackGUID());
else
data << uint8(0);
data << uint32(0);
data << uint32(0);
data << float(0);
break;
case SPELL_EFFECT_ADD_EXTRA_ATTACKS:
if(Unit *unit = m_targets.getUnitTarget())
data.append(unit->GetPackGUID());
else
data << uint8(0);
data << uint32(0); // count?
break;
case SPELL_EFFECT_INTERRUPT_CAST:
if(Unit *unit = m_targets.getUnitTarget())
data.append(unit->GetPackGUID());
else
data << uint8(0);
data << uint32(0); // spellid
break;
case SPELL_EFFECT_DURABILITY_DAMAGE:
if(Unit *unit = m_targets.getUnitTarget())
data.append(unit->GetPackGUID());
else
data << uint8(0);
data << uint32(0);
data << uint32(0);
break;
case SPELL_EFFECT_OPEN_LOCK:
case SPELL_EFFECT_OPEN_LOCK_ITEM:
if(Item *item = m_targets.getItemTarget())
data.append(item->GetPackGUID());
else
data << uint8(0);
break;
case SPELL_EFFECT_CREATE_ITEM:
case SPELL_EFFECT_CREATE_ITEM_2:
data << uint32(m_spellInfo->EffectItemType[0]);
break;
case SPELL_EFFECT_SUMMON:
case SPELL_EFFECT_TRANS_DOOR:
case SPELL_EFFECT_SUMMON_PET:
case SPELL_EFFECT_SUMMON_OBJECT_WILD:
case SPELL_EFFECT_CREATE_HOUSE:
case SPELL_EFFECT_DUEL:
case SPELL_EFFECT_SUMMON_OBJECT_SLOT1:
case SPELL_EFFECT_SUMMON_OBJECT_SLOT2:
case SPELL_EFFECT_SUMMON_OBJECT_SLOT3:
case SPELL_EFFECT_SUMMON_OBJECT_SLOT4:
if(Unit *unit = m_targets.getUnitTarget())
data.append(unit->GetPackGUID());
else if(m_targets.getItemTargetGUID())
data.appendPackGUID(m_targets.getItemTargetGUID());
else if(GameObject *go = m_targets.getGOTarget())
data.append(go->GetPackGUID());
else
data << uint8(0); // guid
break;
case SPELL_EFFECT_FEED_PET:
data << uint32(m_targets.getItemTargetEntry());
break;
case SPELL_EFFECT_DISMISS_PET:
if(Unit *unit = m_targets.getUnitTarget())
data.append(unit->GetPackGUID());
else
data << uint8(0);
break;
case SPELL_EFFECT_RESURRECT:
case SPELL_EFFECT_RESURRECT_NEW:
if(Unit *unit = m_targets.getUnitTarget())
data.append(unit->GetPackGUID());
else
data << uint8(0);
break;
default:
return;
}
}
}
m_caster->SendMessageToSet(&data, true);
}
void Spell::SendInterrupted(uint8 result)
{
WorldPacket data(SMSG_SPELL_FAILURE, (8+4+1));
data.append(m_caster->GetPackGUID());
data << uint8(m_cast_count);
data << uint32(m_spellInfo->Id);
data << uint8(result);
m_caster->SendMessageToSet(&data, true);
data.Initialize(SMSG_SPELL_FAILED_OTHER, (8+4));
data.append(m_caster->GetPackGUID());
data << uint8(m_cast_count);
data << uint32(m_spellInfo->Id);
data << uint8(result);
m_caster->SendMessageToSet(&data, true);
}
void Spell::SendChannelUpdate(uint32 time)
{
if(time == 0)
{
m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT,0);
m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL,0);
}
if (m_caster->GetTypeId() != TYPEID_PLAYER)
return;
WorldPacket data( MSG_CHANNEL_UPDATE, 8+4 );
data.append(m_caster->GetPackGUID());
data << uint32(time);
((Player*)m_caster)->GetSession()->SendPacket( &data );
}
void Spell::SendChannelStart(uint32 duration)
{
WorldObject* target = NULL;
// select first not resisted target from target list for _0_ effect
if(!m_UniqueTargetInfo.empty())
{
for(std::list<TargetInfo>::iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
{
if( (itr->effectMask & (1<<0)) && itr->reflectResult==SPELL_MISS_NONE && itr->targetGUID != m_caster->GetGUID())
{
target = ObjectAccessor::GetUnit(*m_caster, itr->targetGUID);
break;
}
}
}
else if(!m_UniqueGOTargetInfo.empty())
{
for(std::list<GOTargetInfo>::iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
{
if(itr->effectMask & (1<<0) )
{
target = ObjectAccessor::GetGameObject(*m_caster, itr->targetGUID);
break;
}
}
}
if (m_caster->GetTypeId() == TYPEID_PLAYER)
{
WorldPacket data( MSG_CHANNEL_START, (8+4+4) );
data.append(m_caster->GetPackGUID());
data << uint32(m_spellInfo->Id);
data << uint32(duration);
((Player*)m_caster)->GetSession()->SendPacket( &data );
}
m_timer = duration;
if(target)
m_caster->SetUInt64Value(UNIT_FIELD_CHANNEL_OBJECT, target->GetGUID());
m_caster->SetUInt32Value(UNIT_CHANNEL_SPELL, m_spellInfo->Id);
}
void Spell::SendResurrectRequest(Player* target)
{
// Both players and NPCs can resurrect using spells - have a look at creature 28487 for example
// However, the packet structure differs slightly
const char* sentName = m_caster->GetTypeId()==TYPEID_PLAYER ?"":m_caster->GetNameForLocaleIdx(target->GetSession()->GetSessionDbLocaleIndex());
WorldPacket data(SMSG_RESURRECT_REQUEST, (8+4+strlen(sentName)+1+1+1));
data << uint64(m_caster->GetGUID());
data << uint32(strlen(sentName)+1);
data << sentName;
data << uint8(0);
data << uint8(m_caster->GetTypeId()==TYPEID_PLAYER ?0:1);
target->GetSession()->SendPacket(&data);
}
void Spell::SendPlaySpellVisual(uint32 SpellID)
{
if (m_caster->GetTypeId() != TYPEID_PLAYER)
return;
WorldPacket data(SMSG_PLAY_SPELL_VISUAL, 12);
data << uint64(m_caster->GetGUID());
data << uint32(SpellID); // spell visual id?
((Player*)m_caster)->GetSession()->SendPacket(&data);
}
void Spell::TakeCastItem()
{
if(!m_CastItem || m_caster->GetTypeId() != TYPEID_PLAYER)
return;
// not remove cast item at triggered spell (equipping, weapon damage, etc)
if(m_IsTriggeredSpell)
return;
ItemPrototype const *proto = m_CastItem->GetProto();
if(!proto)
{
// This code is to avoid a crash
// I'm not sure, if this is really an error, but I guess every item needs a prototype
sLog.outError("Cast item has no item prototype highId=%d, lowId=%d",m_CastItem->GetGUIDHigh(), m_CastItem->GetGUIDLow());
return;
}
bool expendable = false;
bool withoutCharges = false;
for (int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (proto->Spells[i].SpellId)
{
// item has limited charges
if (proto->Spells[i].SpellCharges)
{
if (proto->Spells[i].SpellCharges < 0)
expendable = true;
int32 charges = m_CastItem->GetSpellCharges(i);
// item has charges left
if (charges)
{
(charges > 0) ? --charges : ++charges; // abs(charges) less at 1 after use
if (proto->Stackable == 1)
m_CastItem->SetSpellCharges(i, charges);
m_CastItem->SetState(ITEM_CHANGED, (Player*)m_caster);
}
// all charges used
withoutCharges = (charges == 0);
}
}
}
if (expendable && withoutCharges)
{
uint32 count = 1;
((Player*)m_caster)->DestroyItemCount(m_CastItem, count, true);
// prevent crash at access to deleted m_targets.getItemTarget
if(m_CastItem==m_targets.getItemTarget())
m_targets.setItemTarget(NULL);
m_CastItem = NULL;
}
}
void Spell::TakePower()
{
if(m_CastItem || m_triggeredByAuraSpell || !m_powerCost)
return;
bool hit = true;
if(m_caster->GetTypeId() == TYPEID_PLAYER)
{
if(m_spellInfo->powerType == POWER_RAGE || m_spellInfo->powerType == POWER_ENERGY)
if(uint64 targetGUID = m_targets.getUnitTargetGUID())
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end(); ++ihit)
if(ihit->targetGUID == targetGUID)
{
if(ihit->missCondition != SPELL_MISS_NONE && ihit->missCondition != SPELL_MISS_MISS/* && ihit->targetGUID!=m_caster->GetGUID()*/)
hit = false;
if (ihit->missCondition != SPELL_MISS_NONE)
{
//lower spell cost on fail (by talent aura)
if(Player *modOwner = ((Player*)m_caster)->GetSpellModOwner())
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_SPELL_COST_REFUND_ON_FAIL, m_powerCost);
}
break;
}
if(hit && NeedsComboPoints(m_spellInfo))
((Player*)m_caster)->ClearComboPoints();
}
// health as power used
if(m_spellInfo->powerType == POWER_HEALTH)
{
m_caster->ModifyHealth( -(int32)m_powerCost );
return;
}
if(m_spellInfo->powerType >= MAX_POWERS)
{
sLog.outError("Spell::TakePower: Unknown power type '%d'", m_spellInfo->powerType);
return;
}
Powers powerType = Powers(m_spellInfo->powerType);
if(powerType == POWER_RUNE)
{
TakeRunePower();
return;
}
if(hit)
m_caster->ModifyPower(powerType, -m_powerCost);
else
m_caster->ModifyPower(powerType, -irand(0, m_powerCost/4));
// Set the five second timer
if (powerType == POWER_MANA && m_powerCost > 0)
m_caster->SetLastManaUse(getMSTime());
}
void Spell::TakeAmmo()
{
if(m_attackType == RANGED_ATTACK && m_caster->GetTypeId() == TYPEID_PLAYER)
{
Item *pItem = ((Player*)m_caster)->GetWeaponForAttack( RANGED_ATTACK );
// wands don't have ammo
if(!pItem || pItem->IsBroken() || pItem->GetProto()->SubClass==ITEM_SUBCLASS_WEAPON_WAND)
return;
if( pItem->GetProto()->InventoryType == INVTYPE_THROWN )
{
if(pItem->GetMaxStackCount()==1)
{
// decrease durability for non-stackable throw weapon
((Player*)m_caster)->DurabilityPointLossForEquipSlot(EQUIPMENT_SLOT_RANGED);
}
else
{
// decrease items amount for stackable throw weapon
uint32 count = 1;
((Player*)m_caster)->DestroyItemCount( pItem, count, true);
}
}
else if(uint32 ammo = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID))
((Player*)m_caster)->DestroyItemCount(ammo, 1, true);
}
}
SpellCastResult Spell::CheckRuneCost(uint32 runeCostID)
{
if(m_caster->GetTypeId() != TYPEID_PLAYER)
return SPELL_CAST_OK;
Player *plr = (Player*)m_caster;
if(plr->getClass() != CLASS_DEATH_KNIGHT)
return SPELL_CAST_OK;
SpellRuneCostEntry const *src = sSpellRuneCostStore.LookupEntry(runeCostID);
if(!src)
return SPELL_CAST_OK;
if(src->NoRuneCost())
return SPELL_CAST_OK;
int32 runeCost[NUM_RUNE_TYPES]; // blood, frost, unholy, death
for(uint32 i = 0; i < RUNE_DEATH; ++i)
runeCost[i] = src->RuneCost[i];
runeCost[RUNE_DEATH] = MAX_RUNES; // calculated later
for(uint32 i = 0; i < MAX_RUNES; ++i)
{
uint8 rune = plr->GetCurrentRune(i);
if((plr->GetRuneCooldown(i) == 0) && (runeCost[rune] > 0))
runeCost[rune]--;
}
for(uint32 i = 0; i < RUNE_DEATH; ++i)
if(runeCost[i] > 0)
runeCost[RUNE_DEATH] += runeCost[i];
if(runeCost[RUNE_DEATH] > MAX_RUNES)
return SPELL_FAILED_NO_POWER; // not sure if result code is correct
return SPELL_CAST_OK;
}
void Spell::TakeRunePower()
{
if(m_caster->GetTypeId() != TYPEID_PLAYER)
return;
Player *plr = (Player*)m_caster;
if(plr->getClass() != CLASS_DEATH_KNIGHT)
return;
SpellRuneCostEntry const *src = sSpellRuneCostStore.LookupEntry(m_spellInfo->runeCostID);
if(!src || (src->NoRuneCost() && src->NoRunicPowerGain()))
return;
m_runesState = plr->GetRunesState(); // store previous state
int32 runeCost[NUM_RUNE_TYPES]; // blood, frost, unholy, death
for(uint32 i = 0; i < RUNE_DEATH; ++i)
{
runeCost[i] = src->RuneCost[i];
}
runeCost[RUNE_DEATH] = 0; // calculated later
for(uint32 i = 0; i < MAX_RUNES; ++i)
{
uint8 rune = plr->GetCurrentRune(i);
if((plr->GetRuneCooldown(i) == 0) && (runeCost[rune] > 0))
{
plr->SetRuneCooldown(i, RUNE_COOLDOWN); // 5*2=10 sec
runeCost[rune]--;
}
}
runeCost[RUNE_DEATH] = runeCost[RUNE_BLOOD] + runeCost[RUNE_UNHOLY] + runeCost[RUNE_FROST];
if(runeCost[RUNE_DEATH] > 0)
{
for(uint32 i = 0; i < MAX_RUNES; ++i)
{
uint8 rune = plr->GetCurrentRune(i);
if((plr->GetRuneCooldown(i) == 0) && (rune == RUNE_DEATH))
{
plr->SetRuneCooldown(i, RUNE_COOLDOWN); // 5*2=10 sec
runeCost[rune]--;
plr->ConvertRune(i, plr->GetBaseRune(i));
if(runeCost[RUNE_DEATH] == 0)
break;
}
}
}
// you can gain some runic power when use runes
float rp = src->runePowerGain;
rp *= sWorld.getRate(RATE_POWER_RUNICPOWER_INCOME);
plr->ModifyPower(POWER_RUNIC_POWER, (int32)rp);
}
void Spell::TakeReagents()
{
if(m_IsTriggeredSpell) // reagents used in triggered spell removed by original spell or don't must be removed.
return;
if (m_caster->GetTypeId() != TYPEID_PLAYER)
return;
Player* p_caster = (Player*)m_caster;
if (p_caster->CanNoReagentCast(m_spellInfo))
return;
for(uint32 x=0;x<8;x++)
{
if(m_spellInfo->Reagent[x] <= 0)
continue;
uint32 itemid = m_spellInfo->Reagent[x];
uint32 itemcount = m_spellInfo->ReagentCount[x];
// if CastItem is also spell reagent
if (m_CastItem)
{
ItemPrototype const *proto = m_CastItem->GetProto();
if( proto && proto->ItemId == itemid )
{
for(int s=0;s < MAX_ITEM_PROTO_SPELLS; ++s)
{
// CastItem will be used up and does not count as reagent
int32 charges = m_CastItem->GetSpellCharges(s);
if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
{
++itemcount;
break;
}
}
m_CastItem = NULL;
}
}
// if getItemTarget is also spell reagent
if (m_targets.getItemTargetEntry()==itemid)
m_targets.setItemTarget(NULL);
p_caster->DestroyItemCount(itemid, itemcount, true);
}
}
void Spell::HandleThreatSpells(uint32 spellId)
{
if(!m_targets.getUnitTarget() || !spellId)
return;
if(!m_targets.getUnitTarget()->CanHaveThreatList())
return;
SpellThreatEntry const *threatSpell = sSpellThreatStore.LookupEntry<SpellThreatEntry>(spellId);
if(!threatSpell)
return;
m_targets.getUnitTarget()->AddThreat(m_caster, float(threatSpell->threat));
DEBUG_LOG("Spell %u, rank %u, added an additional %i threat", spellId, spellmgr.GetSpellRank(spellId), threatSpell->threat);
}
void Spell::HandleEffects(Unit *pUnitTarget,Item *pItemTarget,GameObject *pGOTarget,uint32 i, float /*DamageMultiplier*/)
{
unitTarget = pUnitTarget;
itemTarget = pItemTarget;
gameObjTarget = pGOTarget;
uint8 eff = m_spellInfo->Effect[i];
sLog.outDebug( "Spell: Effect : %u", eff);
//we do not need DamageMultiplier here.
damage = CalculateDamage(i, NULL);
if(eff<TOTAL_SPELL_EFFECTS)
{
//sLog.outDebug( "WORLD: Spell FX %d < TOTAL_SPELL_EFFECTS ", eff);
(*this.*SpellEffects[eff])(i);
}
/*
else
{
sLog.outDebug( "WORLD: Spell FX %d > TOTAL_SPELL_EFFECTS ", eff);
if (m_CastItem)
EffectEnchantItemTmp(i);
else
{
sLog.outError("SPELL: unknown effect %u spell id %u",
eff, m_spellInfo->Id);
}
}
*/
}
void Spell::TriggerSpell()
{
for(TriggerSpells::iterator si=m_TriggerSpells.begin(); si!=m_TriggerSpells.end(); ++si)
{
Spell* spell = new Spell(m_caster, (*si), true, m_originalCasterGUID, m_selfContainer, true);
spell->prepare(&m_targets); // use original spell original targets
}
}
SpellCastResult Spell::CheckCast(bool strict)
{
// check cooldowns to prevent cheating
if(m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
{
//can cast triggered (by aura only?) spells while have this flag
if (!m_IsTriggeredSpell && ((Player*)m_caster)->HasFlag(PLAYER_FLAGS, PLAYER_ALLOW_ONLY_ABILITY))
return SPELL_FAILED_SPELL_IN_PROGRESS;
if(m_triggeredByAuraSpell)
return SPELL_FAILED_DONT_REPORT;
else
return SPELL_FAILED_NOT_READY;
}
// only allow triggered spells if at an ended battleground
if( !m_IsTriggeredSpell && m_caster->GetTypeId() == TYPEID_PLAYER)
if(BattleGround * bg = ((Player*)m_caster)->GetBattleGround())
if(bg->GetStatus() == STATUS_WAIT_LEAVE)
return SPELL_FAILED_DONT_REPORT;
// only check at first call, Stealth auras are already removed at second call
// for now, ignore triggered spells
if( strict && !m_IsTriggeredSpell)
{
bool checkForm = true;
// Ignore form req aura
Unit::AuraList const& ignore = m_caster->GetAurasByType(SPELL_AURA_MOD_IGNORE_SHAPESHIFT);
for(Unit::AuraList::const_iterator i = ignore.begin(); i != ignore.end(); ++i)
{
if (!(*i)->isAffectedOnSpell(m_spellInfo))
continue;
checkForm = false;
break;
}
if (checkForm)
{
// Cannot be used in this stance/form
SpellCastResult shapeError = GetErrorAtShapeshiftedCast(m_spellInfo, m_caster->m_form);
if(shapeError != SPELL_CAST_OK)
return shapeError;
if ((m_spellInfo->Attributes & SPELL_ATTR_ONLY_STEALTHED) && !(m_caster->HasStealthAura()))
return SPELL_FAILED_ONLY_STEALTHED;
}
}
bool reqAuraState=true;
Unit::AuraList const& stateAuras = m_caster->GetAurasByType(SPELL_AURA_ABILITY_IGNORE_AURASTATE);
for(Unit::AuraList::const_iterator j = stateAuras.begin();j != stateAuras.end(); ++j)
{
if((*j)->isAffectedOnSpell(m_spellInfo))
{
reqAuraState=false;
break;
}
}
if (reqAuraState)
{
// caster state requirements
if(m_spellInfo->CasterAuraState && !m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraState)))
return SPELL_FAILED_CASTER_AURASTATE;
if(m_spellInfo->CasterAuraStateNot && m_caster->HasAuraState(AuraState(m_spellInfo->CasterAuraStateNot)))
return SPELL_FAILED_CASTER_AURASTATE;
if(m_spellInfo->casterAuraSpell && !m_caster->HasAura(m_spellInfo->casterAuraSpell))
return SPELL_FAILED_CASTER_AURASTATE;
if(m_spellInfo->excludeCasterAuraSpell && m_caster->HasAura(m_spellInfo->excludeCasterAuraSpell))
return SPELL_FAILED_CASTER_AURASTATE;
if(m_caster->isInCombat() && IsNonCombatSpell(m_spellInfo))
return SPELL_FAILED_AFFECTING_COMBAT;
}
// cancel autorepeat spells if cast start when moving
// (not wand currently autorepeat cast delayed to moving stop anyway in spell update code)
if( m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->isMoving() )
{
// skip stuck spell to allow use it in falling case and apply spell limitations at movement
if( (!m_caster->HasUnitMovementFlag(MOVEMENTFLAG_FALLING) || m_spellInfo->Effect[0] != SPELL_EFFECT_STUCK) &&
(IsAutoRepeat() || (m_spellInfo->AuraInterruptFlags & AURA_INTERRUPT_FLAG_NOT_SEATED) != 0) )
return SPELL_FAILED_MOVING;
}
if(Unit *target = m_targets.getUnitTarget())
{
if (reqAuraState)
{
// target state requirements (not allowed state), apply to self also
if(m_spellInfo->TargetAuraStateNot && target->HasAuraState(AuraState(m_spellInfo->TargetAuraStateNot)))
return SPELL_FAILED_TARGET_AURASTATE;
if(m_spellInfo->targetAuraSpell && !target->HasAura(m_spellInfo->targetAuraSpell))
return SPELL_FAILED_TARGET_AURASTATE;
if(m_spellInfo->excludeTargetAuraSpell && target->HasAura(m_spellInfo->excludeTargetAuraSpell))
return SPELL_FAILED_TARGET_AURASTATE;
}
if(target != m_caster)
{
// target state requirements (apply to non-self only), to allow cast affects to self like Dirty Deeds
if(reqAuraState && m_spellInfo->TargetAuraState && !target->HasAuraState(AuraState(m_spellInfo->TargetAuraState)))
return SPELL_FAILED_TARGET_AURASTATE;
// Not allow casting on flying player
if (target->isInFlight())
return SPELL_FAILED_BAD_TARGETS;
if(!m_IsTriggeredSpell && VMAP::VMapFactory::checkSpellForLoS(m_spellInfo->Id) && !m_caster->IsWithinLOSInMap(target))
return SPELL_FAILED_LINE_OF_SIGHT;
// auto selection spell rank implemented in WorldSession::HandleCastSpellOpcode
// this case can be triggered if rank not found (too low-level target for first rank)
if(m_caster->GetTypeId() == TYPEID_PLAYER && !IsPassiveSpell(m_spellInfo->Id) && !m_CastItem)
for(int i=0;i<3;i++)
if(IsPositiveEffect(m_spellInfo->Id, i) && m_spellInfo->Effect[i] == SPELL_EFFECT_APPLY_AURA)
if(target->getLevel() + 10 < m_spellInfo->spellLevel)
return SPELL_FAILED_LOWLEVEL;
}
else if (m_caster->GetTypeId()==TYPEID_PLAYER) // Target - is player caster
{
// Additional check for some spells
// If 0 spell effect empty - client not send target data (need use selection)
// TODO: check it on next client version
if (m_targets.m_targetMask == TARGET_FLAG_SELF &&
m_spellInfo->EffectImplicitTargetA[1] == TARGET_CHAIN_DAMAGE)
{
if (target = m_caster->GetUnit(*m_caster, ((Player *)m_caster)->GetSelection()))
m_targets.setUnitTarget(target);
else
return SPELL_FAILED_BAD_TARGETS;
}
}
// check pet presents
for(int j=0;j<3;j++)
{
if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_PET)
{
target = m_caster->GetPet();
if(!target)
{
if(m_triggeredByAuraSpell) // not report pet not existence for triggered spells
return SPELL_FAILED_DONT_REPORT;
else
return SPELL_FAILED_NO_PET;
}
break;
}
}
//check creature type
//ignore self casts (including area casts when caster selected as target)
if(target != m_caster)
{
if(!CheckTargetCreatureType(target))
{
if(target->GetTypeId()==TYPEID_PLAYER)
return SPELL_FAILED_TARGET_IS_PLAYER;
else
return SPELL_FAILED_BAD_TARGETS;
}
}
// TODO: this check can be applied and for player to prevent cheating when IsPositiveSpell will return always correct result.
// check target for pet/charmed casts (not self targeted), self targeted cast used for area effects and etc
if(m_caster != target && m_caster->GetTypeId()==TYPEID_UNIT && m_caster->GetCharmerOrOwnerGUID())
{
// check correctness positive/negative cast target (pet cast real check and cheating check)
if(IsPositiveSpell(m_spellInfo->Id))
{
//dispel positivity is dependant on target, don't check it
if(m_caster->IsHostileTo(target) && !IsDispel(m_spellInfo))
return SPELL_FAILED_BAD_TARGETS;
}
else
{
if(m_caster->IsFriendlyTo(target))
return SPELL_FAILED_BAD_TARGETS;
}
}
if(IsPositiveSpell(m_spellInfo->Id))
if(target->IsImmunedToSpell(m_spellInfo))
return SPELL_FAILED_TARGET_AURASTATE;
//Must be behind the target.
if( m_spellInfo->AttributesEx2 == 0x100000 && (m_spellInfo->AttributesEx & 0x200) == 0x200 && target->HasInArc(M_PI, m_caster)
//Exclusion for Pounce: Facing Limitation was removed in 2.0.1, but it still uses the same, old Ex-Flags
&& (!(m_spellInfo->SpellFamilyName == SPELLFAMILY_DRUID && m_spellInfo->SpellFamilyFlags.IsEqual(0x20000,0,0)))
//Mutilate no longer requires you be behind the target as of patch 3.0.3
&& (!(m_spellInfo->SpellFamilyName == SPELLFAMILY_ROGUE && m_spellInfo->SpellFamilyFlags[1] & 0x200000)))
{
SendInterrupted(2);
return SPELL_FAILED_NOT_BEHIND;
}
//Target must be facing you.
if((m_spellInfo->Attributes == 0x150010) && !target->HasInArc(M_PI, m_caster) )
{
SendInterrupted(2);
return SPELL_FAILED_NOT_INFRONT;
}
// check if target is in combat
if (target != m_caster && (m_spellInfo->AttributesEx & SPELL_ATTR_EX_NOT_IN_COMBAT_TARGET) && target->isInCombat())
return SPELL_FAILED_TARGET_AFFECTING_COMBAT;
}
// Spell casted only on battleground
if((m_spellInfo->AttributesEx3 & SPELL_ATTR_EX3_BATTLEGROUND) && m_caster->GetTypeId()==TYPEID_PLAYER)
if(!((Player*)m_caster)->InBattleGround())
return SPELL_FAILED_ONLY_BATTLEGROUNDS;
// do not allow spells to be cast in arenas
// - with greater than 15 min CD without SPELL_ATTR_EX4_USABLE_IN_ARENA flag
// - with SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA flag
if( (m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_NOT_USABLE_IN_ARENA) ||
GetSpellRecoveryTime(m_spellInfo) > 15 * MINUTE * IN_MILISECONDS && !(m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_USABLE_IN_ARENA) )
if(MapEntry const* mapEntry = sMapStore.LookupEntry(m_caster->GetMapId()))
if(mapEntry->IsBattleArena())
return SPELL_FAILED_NOT_IN_ARENA;
// zone check
uint32 zone, area;
m_caster->GetZoneAndAreaId(zone,area);
SpellCastResult locRes= spellmgr.GetSpellAllowedInLocationError(m_spellInfo,m_caster->GetMapId(),zone,area,
m_caster->GetTypeId()==TYPEID_PLAYER ? ((Player*)m_caster) : NULL);
if(locRes != SPELL_CAST_OK)
return locRes;
// not let players cast spells at mount (and let do it to creatures)
if( m_caster->IsMounted() && m_caster->GetTypeId()==TYPEID_PLAYER && !m_IsTriggeredSpell &&
!IsPassiveSpell(m_spellInfo->Id) && !(m_spellInfo->Attributes & SPELL_ATTR_CASTABLE_WHILE_MOUNTED) )
{
if(m_caster->isInFlight())
return SPELL_FAILED_NOT_FLYING;
else
return SPELL_FAILED_NOT_MOUNTED;
}
// always (except passive spells) check items (focus object can be required for any type casts)
if(!IsPassiveSpell(m_spellInfo->Id))
{
SpellCastResult castResult = CheckItems();
if(castResult != SPELL_CAST_OK)
return castResult;
}
/*//ImpliciteTargetA-B = 38, If fact there is 0 Spell with ImpliciteTargetB=38
if(m_UniqueTargetInfo.empty()) // skip second CheckCast apply (for delayed spells for example)
{
for(uint8 j = 0; j < 3; j++)
{
if( m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT ||
m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT && m_spellInfo->EffectImplicitTargetA[j] != TARGET_SELF ||
m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES ||
m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
{
SpellScriptTarget::const_iterator lower = spellmgr.GetBeginSpellScriptTarget(m_spellInfo->Id);
SpellScriptTarget::const_iterator upper = spellmgr.GetEndSpellScriptTarget(m_spellInfo->Id);
if(lower==upper)
sLog.outErrorDb("Spell (ID: %u) has effect EffectImplicitTargetA/EffectImplicitTargetB = TARGET_SCRIPT or TARGET_SCRIPT_COORDINATES, but does not have record in `spell_script_target`",m_spellInfo->Id);
SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
float range = GetSpellMaxRange(srange);
Creature* creatureScriptTarget = NULL;
GameObject* goScriptTarget = NULL;
for(SpellScriptTarget::const_iterator i_spellST = lower; i_spellST != upper; ++i_spellST)
{
switch(i_spellST->second.type)
{
case SPELL_TARGET_TYPE_GAMEOBJECT:
{
GameObject* p_GameObject = NULL;
if(i_spellST->second.targetEntry)
{
CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
Cell cell(p);
cell.data.Part.reserved = ALL_DISTRICT;
MaNGOS::NearestGameObjectEntryInObjectRangeCheck go_check(*m_caster,i_spellST->second.targetEntry,range);
MaNGOS::GameObjectLastSearcher<MaNGOS::NearestGameObjectEntryInObjectRangeCheck> checker(m_caster, p_GameObject,go_check);
TypeContainerVisitor<MaNGOS::GameObjectLastSearcher<MaNGOS::NearestGameObjectEntryInObjectRangeCheck>, GridTypeMapContainer > object_checker(checker);
CellLock<GridReadGuard> cell_lock(cell, p);
cell_lock->Visit(cell_lock, object_checker, *m_caster->GetMap());
if(p_GameObject)
{
// remember found target and range, next attempt will find more near target with another entry
creatureScriptTarget = NULL;
goScriptTarget = p_GameObject;
range = go_check.GetLastRange();
}
}
else if( focusObject ) //Focus Object
{
float frange = m_caster->GetDistance(focusObject);
if(range >= frange)
{
creatureScriptTarget = NULL;
goScriptTarget = focusObject;
range = frange;
}
}
break;
}
case SPELL_TARGET_TYPE_CREATURE:
case SPELL_TARGET_TYPE_DEAD:
default:
{
Creature *p_Creature = NULL;
CellPair p(MaNGOS::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
Cell cell(p);
cell.data.Part.reserved = ALL_DISTRICT;
cell.SetNoCreate(); // Really don't know what is that???
MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck u_check(*m_caster,i_spellST->second.targetEntry,i_spellST->second.type!=SPELL_TARGET_TYPE_DEAD,range);
MaNGOS::CreatureLastSearcher<MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck> searcher(m_caster, p_Creature, u_check);
TypeContainerVisitor<MaNGOS::CreatureLastSearcher<MaNGOS::NearestCreatureEntryWithLiveStateInObjectRangeCheck>, GridTypeMapContainer > grid_creature_searcher(searcher);
CellLock<GridReadGuard> cell_lock(cell, p);
cell_lock->Visit(cell_lock, grid_creature_searcher, *m_caster->GetMap());
if(p_Creature )
{
creatureScriptTarget = p_Creature;
goScriptTarget = NULL;
range = u_check.GetLastRange();
}
break;
}
}
}
if(creatureScriptTarget)
{
// store coordinates for TARGET_SCRIPT_COORDINATES
if (m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES ||
m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
{
m_targets.setDestination(creatureScriptTarget->GetPositionX(),creatureScriptTarget->GetPositionY(),creatureScriptTarget->GetPositionZ());
if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES && m_spellInfo->EffectImplicitTargetB[j] == 0 && m_spellInfo->Effect[j]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
AddUnitTarget(creatureScriptTarget, j);
}
// store explicit target for TARGET_SCRIPT
else
AddUnitTarget(creatureScriptTarget, j);
}
else if(goScriptTarget)
{
// store coordinates for TARGET_SCRIPT_COORDINATES
if (m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES ||
m_spellInfo->EffectImplicitTargetB[j] == TARGET_SCRIPT_COORDINATES )
{
m_targets.setDestination(goScriptTarget->GetPositionX(),goScriptTarget->GetPositionY(),goScriptTarget->GetPositionZ());
if(m_spellInfo->EffectImplicitTargetA[j] == TARGET_SCRIPT_COORDINATES && m_spellInfo->EffectImplicitTargetB[j] == 0 && m_spellInfo->Effect[j]!=SPELL_EFFECT_PERSISTENT_AREA_AURA)
AddGOTarget(goScriptTarget, j);
}
// store explicit target for TARGET_SCRIPT
else
AddGOTarget(goScriptTarget, j);
}
//Missing DB Entry or targets for this spellEffect.
else
{
// not report target not existence for triggered spells
if(m_triggeredByAuraSpell || m_IsTriggeredSpell)
return SPELL_FAILED_DONT_REPORT;
else
return SPELL_FAILED_BAD_TARGETS;
}
}
}
}*/
if(!m_IsTriggeredSpell)
{
SpellCastResult castResult = CheckRange(strict);
if(castResult != SPELL_CAST_OK)
return castResult;
castResult = CheckPower();
if(castResult != SPELL_CAST_OK)
return castResult;
castResult = CheckCasterAuras();
if(castResult != SPELL_CAST_OK)
return castResult;
}
for (int i = 0; i < 3; i++)
{
// for effects of spells that have only one target
switch(m_spellInfo->Effect[i])
{
case SPELL_EFFECT_DUMMY:
{
if(m_spellInfo->SpellIconID == 1648) // Execute
{
if(!m_targets.getUnitTarget() || m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
return SPELL_FAILED_BAD_TARGETS;
}
else if (m_spellInfo->Id == 51582) // Rocket Boots Engaged
{
if(m_caster->IsInWater())
return SPELL_FAILED_ONLY_ABOVEWATER;
}
else if(m_spellInfo->SpellIconID==156) // Holy Shock
{
// spell different for friends and enemies
// hart version required facing
if(m_targets.getUnitTarget() && !m_caster->IsFriendlyTo(m_targets.getUnitTarget()) && !m_caster->HasInArc( M_PI, m_targets.getUnitTarget() ))
return SPELL_FAILED_UNIT_NOT_INFRONT;
}
else if (m_spellInfo->Id == 19938) // Awaken Peon
{
Unit *unit = m_targets.getUnitTarget();
if(!unit || !unit->HasAura(17743, 0))
return SPELL_FAILED_BAD_TARGETS;
}
break;
}
case SPELL_EFFECT_SCHOOL_DAMAGE:
{
// Hammer of Wrath
if(m_spellInfo->SpellVisual[0] == 7250)
{
if (!m_targets.getUnitTarget())
return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
if(m_targets.getUnitTarget()->GetHealth() > m_targets.getUnitTarget()->GetMaxHealth()*0.2)
return SPELL_FAILED_BAD_TARGETS;
}
break;
}
case SPELL_EFFECT_LEARN_SPELL:
{
if(m_spellInfo->EffectImplicitTargetA[i] != TARGET_PET)
break;
Pet* pet = m_caster->GetPet();
if(!pet)
return SPELL_FAILED_NO_PET;
SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
if(!learn_spellproto)
return SPELL_FAILED_NOT_KNOWN;
if(m_spellInfo->spellLevel > pet->getLevel())
return SPELL_FAILED_LOWLEVEL;
break;
}
case SPELL_EFFECT_LEARN_PET_SPELL:
{
Pet* pet = m_caster->GetPet();
if(!pet)
return SPELL_FAILED_NO_PET;
SpellEntry const *learn_spellproto = sSpellStore.LookupEntry(m_spellInfo->EffectTriggerSpell[i]);
if(!learn_spellproto)
return SPELL_FAILED_NOT_KNOWN;
if(m_spellInfo->spellLevel > pet->getLevel())
return SPELL_FAILED_LOWLEVEL;
break;
}
case SPELL_EFFECT_FEED_PET:
{
if (m_caster->GetTypeId() != TYPEID_PLAYER)
return SPELL_FAILED_BAD_TARGETS;
Item* foodItem = m_targets.getItemTarget();
if(!foodItem)
return SPELL_FAILED_BAD_TARGETS;
Pet* pet = m_caster->GetPet();
if(!pet)
return SPELL_FAILED_NO_PET;
if(!pet->HaveInDiet(foodItem->GetProto()))
return SPELL_FAILED_WRONG_PET_FOOD;
if(!pet->GetCurrentFoodBenefitLevel(foodItem->GetProto()->ItemLevel))
return SPELL_FAILED_FOOD_LOWLEVEL;
if(m_caster->isInCombat() || pet->isInCombat())
return SPELL_FAILED_AFFECTING_COMBAT;
break;
}
case SPELL_EFFECT_POWER_BURN:
case SPELL_EFFECT_POWER_DRAIN:
{
// Can be area effect, Check only for players and not check if target - caster (spell can have multiply drain/burn effects)
if(m_caster->GetTypeId() == TYPEID_PLAYER)
if(Unit* target = m_targets.getUnitTarget())
if(target!=m_caster && target->getPowerType()!=m_spellInfo->EffectMiscValue[i])
return SPELL_FAILED_BAD_TARGETS;
break;
}
case SPELL_EFFECT_CHARGE:
{
if (m_caster->hasUnitState(UNIT_STAT_ROOT))
return SPELL_FAILED_ROOTED;
break;
}
case SPELL_EFFECT_SKINNING:
{
if (m_caster->GetTypeId() != TYPEID_PLAYER || !m_targets.getUnitTarget() || m_targets.getUnitTarget()->GetTypeId() != TYPEID_UNIT)
return SPELL_FAILED_BAD_TARGETS;
if( !(m_targets.getUnitTarget()->GetUInt32Value(UNIT_FIELD_FLAGS) & UNIT_FLAG_SKINNABLE) )
return SPELL_FAILED_TARGET_UNSKINNABLE;
Creature* creature = (Creature*)m_targets.getUnitTarget();
if ( creature->GetCreatureType() != CREATURE_TYPE_CRITTER && ( !creature->lootForBody || !creature->loot.empty() ) )
{
return SPELL_FAILED_TARGET_NOT_LOOTED;
}
uint32 skill = creature->GetCreatureInfo()->GetRequiredLootSkill();
int32 skillValue = ((Player*)m_caster)->GetSkillValue(skill);
int32 TargetLevel = m_targets.getUnitTarget()->getLevel();
int32 ReqValue = (skillValue < 100 ? (TargetLevel-10)*10 : TargetLevel*5);
if (ReqValue > skillValue)
return SPELL_FAILED_LOW_CASTLEVEL;
// chance for fail at orange skinning attempt
if( (m_selfContainer && (*m_selfContainer) == this) &&
skillValue < sWorld.GetConfigMaxSkillValue() &&
(ReqValue < 0 ? 0 : ReqValue) > irand(skillValue-25, skillValue+37) )
return SPELL_FAILED_TRY_AGAIN;
break;
}
case SPELL_EFFECT_OPEN_LOCK_ITEM:
case SPELL_EFFECT_OPEN_LOCK:
{
if( m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT &&
m_spellInfo->EffectImplicitTargetA[i] != TARGET_GAMEOBJECT_ITEM )
break;
if( m_caster->GetTypeId() != TYPEID_PLAYER // only players can open locks, gather etc.
// we need a go target in case of TARGET_GAMEOBJECT
|| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT && !m_targets.getGOTarget()
// we need a go target, or an openable item target in case of TARGET_GAMEOBJECT_ITEM
|| m_spellInfo->EffectImplicitTargetA[i] == TARGET_GAMEOBJECT_ITEM && !m_targets.getGOTarget() &&
(!m_targets.getItemTarget() || !m_targets.getItemTarget()->GetProto()->LockID || m_targets.getItemTarget()->GetOwner() != m_caster ) )
return SPELL_FAILED_BAD_TARGETS;
// In BattleGround players can use only flags and banners
if( ((Player*)m_caster)->InBattleGround() &&
!((Player*)m_caster)->CanUseBattleGroundObject() )
return SPELL_FAILED_TRY_AGAIN;
// get the lock entry
uint32 lockId = 0;
if (GameObject* go=m_targets.getGOTarget())
lockId = go->GetLockId();
else if(Item* itm=m_targets.getItemTarget())
lockId = itm->GetProto()->LockID;
SkillType skillId =SKILL_NONE;
int32 reqSkillValue = 0;
int32 skillValue = 0;
// check lock compatibility
SpellCastResult res = CanOpenLock(i,lockId,skillId,reqSkillValue,skillValue);
if(res != SPELL_CAST_OK)
return res;
// chance for fail at orange mining/herb/LockPicking gathering attempt
// second check prevent fail at rechecks
if(skillId != SKILL_NONE && (!m_selfContainer || ((*m_selfContainer) != this)))
{
bool canFailAtMax = skillId != SKILL_HERBALISM && skillId != SKILL_MINING;
// chance for failure in orange gather / lockpick (gathering skill can't fail at maxskill)
if((canFailAtMax || skillValue < sWorld.GetConfigMaxSkillValue()) && reqSkillValue > irand(skillValue-25, skillValue+37))
return SPELL_FAILED_TRY_AGAIN;
}
break;
}
case SPELL_EFFECT_SUMMON_DEAD_PET:
{
Creature *pet = m_caster->GetPet();
if(!pet)
return SPELL_FAILED_NO_PET;
if(pet->isAlive())
return SPELL_FAILED_ALREADY_HAVE_SUMMON;
break;
}
// This is generic summon effect
case SPELL_EFFECT_SUMMON:
{
switch(m_spellInfo->EffectMiscValueB[i])
{
case SUMMON_TYPE_POSESSED:
case SUMMON_TYPE_RACE_CONTROLLER:
case SUMMON_TYPE_STEAM_TONK:
case SUMMON_TYPE_DEMON:
case SUMMON_TYPE_SUMMON:
{
if(m_caster->GetPetGUID())
return SPELL_FAILED_ALREADY_HAVE_SUMMON;
if(m_caster->GetCharmGUID())
return SPELL_FAILED_ALREADY_HAVE_CHARM;
break;
}
}
break;
}
// Not used for summon?
case SPELL_EFFECT_SUMMON_PHANTASM:
{
if(m_caster->GetPetGUID())
return SPELL_FAILED_ALREADY_HAVE_SUMMON;
if(m_caster->GetCharmGUID())
return SPELL_FAILED_ALREADY_HAVE_CHARM;
break;
}
case SPELL_EFFECT_SUMMON_PET:
{
if(m_caster->GetPetGUID()) //let warlock do a replacement summon
{
Pet* pet = ((Player*)m_caster)->GetPet();
if (m_caster->GetTypeId()==TYPEID_PLAYER && m_caster->getClass()==CLASS_WARLOCK)
{
if (strict) //starting cast, trigger pet stun (cast by pet so it doesn't attack player)
pet->CastSpell(pet, 32752, true, NULL, NULL, pet->GetGUID());
}
else
return SPELL_FAILED_ALREADY_HAVE_SUMMON;
}
if(m_caster->GetCharmGUID())
return SPELL_FAILED_ALREADY_HAVE_CHARM;
break;
}
case SPELL_EFFECT_SUMMON_PLAYER:
{
if(m_caster->GetTypeId()!=TYPEID_PLAYER)
return SPELL_FAILED_BAD_TARGETS;
if(!((Player*)m_caster)->GetSelection())
return SPELL_FAILED_BAD_TARGETS;
Player* target = objmgr.GetPlayer(((Player*)m_caster)->GetSelection());
if( !target || ((Player*)m_caster)==target || !target->IsInSameRaidWith((Player*)m_caster) )
return SPELL_FAILED_BAD_TARGETS;
// check if our map is dungeon
if( sMapStore.LookupEntry(m_caster->GetMapId())->IsDungeon() )
{
InstanceTemplate const* instance = ObjectMgr::GetInstanceTemplate(m_caster->GetMapId());
if(!instance)
return SPELL_FAILED_TARGET_NOT_IN_INSTANCE;
if(!target->Satisfy(objmgr.GetAccessRequirement(instance->access_id), m_caster->GetMapId()))
return SPELL_FAILED_BAD_TARGETS;
}
break;
}
case SPELL_EFFECT_LEAP:
case SPELL_EFFECT_TELEPORT_UNITS_FACE_CASTER:
{
float dis = GetSpellRadiusForFriend(sSpellRadiusStore.LookupEntry(m_spellInfo->EffectRadiusIndex[i]));
float fx = m_caster->GetPositionX() + dis * cos(m_caster->GetOrientation());
float fy = m_caster->GetPositionY() + dis * sin(m_caster->GetOrientation());
// teleport a bit above terrain level to avoid falling below it
float fz = MapManager::Instance().GetBaseMap(m_caster->GetMapId())->GetHeight(fx,fy,m_caster->GetPositionZ(),true);
if(fz <= INVALID_HEIGHT) // note: this also will prevent use effect in instances without vmaps height enabled
return SPELL_FAILED_TRY_AGAIN;
float caster_pos_z = m_caster->GetPositionZ();
// Control the caster to not climb or drop when +-fz > 8
if(!(fz<=caster_pos_z+8 && fz>=caster_pos_z-8))
return SPELL_FAILED_TRY_AGAIN;
// not allow use this effect at battleground until battleground start
if(m_caster->GetTypeId()==TYPEID_PLAYER)
if(BattleGround const *bg = ((Player*)m_caster)->GetBattleGround())
if(bg->GetStatus() != STATUS_IN_PROGRESS)
return SPELL_FAILED_TRY_AGAIN;
break;
}
case SPELL_EFFECT_STEAL_BENEFICIAL_BUFF:
{
if (m_targets.getUnitTarget()==m_caster)
return SPELL_FAILED_BAD_TARGETS;
break;
}
default:break;
}
}
for (int i = 0; i < 3; i++)
{
switch(m_spellInfo->EffectApplyAuraName[i])
{
case SPELL_AURA_DUMMY:
{
if(m_spellInfo->Id == 1515)
{
if (!m_targets.getUnitTarget() || m_targets.getUnitTarget()->GetTypeId() == TYPEID_PLAYER)
return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
if (m_targets.getUnitTarget()->getLevel() > m_caster->getLevel())
return SPELL_FAILED_HIGHLEVEL;
// use SMSG_PET_TAME_FAILURE?
if (!((Creature*)m_targets.getUnitTarget())->GetCreatureInfo()->isTameable ())
return SPELL_FAILED_BAD_TARGETS;
if(m_caster->GetPetGUID())
return SPELL_FAILED_ALREADY_HAVE_SUMMON;
if(m_caster->GetCharmGUID())
return SPELL_FAILED_ALREADY_HAVE_CHARM;
}
}break;
case SPELL_AURA_MOD_POSSESS:
case SPELL_AURA_MOD_CHARM:
{
if(m_caster->GetPetGUID())
return SPELL_FAILED_ALREADY_HAVE_SUMMON;
if(m_caster->GetCharmGUID())
return SPELL_FAILED_ALREADY_HAVE_CHARM;
if(m_caster->GetCharmerGUID())
return SPELL_FAILED_CHARMED;
if(!m_targets.getUnitTarget())
return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
if(m_targets.getUnitTarget()->GetCharmerGUID())
return SPELL_FAILED_CHARMED;
if(int32(m_targets.getUnitTarget()->getLevel()) > CalculateDamage(i,m_targets.getUnitTarget()))
return SPELL_FAILED_HIGHLEVEL;
break;
}
case SPELL_AURA_MOUNTED:
{
if (m_caster->IsInWater())
return SPELL_FAILED_ONLY_ABOVEWATER;
if (m_caster->GetTypeId()==TYPEID_PLAYER && ((Player*)m_caster)->GetTransport())
return SPELL_FAILED_NO_MOUNTS_ALLOWED;
// Ignore map check if spell have AreaId. AreaId already checked and this prevent special mount spells
if (m_caster->GetTypeId()==TYPEID_PLAYER && !sMapStore.LookupEntry(m_caster->GetMapId())->IsMountAllowed() && !m_IsTriggeredSpell && !m_spellInfo->AreaGroupId)
return SPELL_FAILED_NO_MOUNTS_ALLOWED;
ShapeshiftForm form = m_caster->m_form;
if( form == FORM_CAT || form == FORM_TREE || form == FORM_TRAVEL ||
form == FORM_AQUA || form == FORM_BEAR || form == FORM_DIREBEAR ||
form == FORM_CREATUREBEAR || form == FORM_GHOSTWOLF || form == FORM_FLIGHT ||
form == FORM_FLIGHT_EPIC || form == FORM_MOONKIN || form == FORM_METAMORPHOSIS )
return SPELL_FAILED_NOT_SHAPESHIFT;
break;
}
case SPELL_AURA_RANGED_ATTACK_POWER_ATTACKER_BONUS:
{
if(!m_targets.getUnitTarget())
return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
// can be casted at non-friendly unit or own pet/charm
if(m_caster->IsFriendlyTo(m_targets.getUnitTarget()))
return SPELL_FAILED_TARGET_FRIENDLY;
break;
}
case SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED:
case SPELL_AURA_FLY:
{
// not allow cast fly spells at old maps by players (all spells is self target)
if(m_caster->GetTypeId()==TYPEID_PLAYER)
{
if( !((Player*)m_caster)->IsAllowUseFlyMountsHere() )
return SPELL_FAILED_NOT_HERE;
}
break;
}
case SPELL_AURA_PERIODIC_MANA_LEECH:
{
if (!m_targets.getUnitTarget())
return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
if (m_caster->GetTypeId()!=TYPEID_PLAYER || m_CastItem)
break;
if(m_targets.getUnitTarget()->getPowerType()!=POWER_MANA)
return SPELL_FAILED_BAD_TARGETS;
break;
}
default:
break;
}
}
// all ok
return SPELL_CAST_OK;
}
SpellCastResult Spell::CheckPetCast(Unit* target)
{
if(!m_caster->isAlive())
return SPELL_FAILED_CASTER_DEAD;
if(m_caster->IsNonMeleeSpellCasted(false)) //prevent spellcast interruption by another spellcast
return SPELL_FAILED_SPELL_IN_PROGRESS;
if(m_caster->isInCombat() && IsNonCombatSpell(m_spellInfo))
return SPELL_FAILED_AFFECTING_COMBAT;
if(m_caster->GetTypeId()==TYPEID_UNIT && (((Creature*)m_caster)->isPet() || m_caster->isCharmed()))
{
//dead owner (pets still alive when owners ressed?)
if(m_caster->GetCharmerOrOwner() && !m_caster->GetCharmerOrOwner()->isAlive())
return SPELL_FAILED_CASTER_DEAD;
if(!target && m_targets.getUnitTarget())
target = m_targets.getUnitTarget();
bool need = false;
for(uint32 i = 0;i<3;i++)
{
if(m_spellInfo->EffectImplicitTargetA[i] == TARGET_CHAIN_DAMAGE || m_spellInfo->EffectImplicitTargetA[i] == TARGET_SINGLE_FRIEND || m_spellInfo->EffectImplicitTargetA[i] == TARGET_DUELVSPLAYER || m_spellInfo->EffectImplicitTargetA[i] == TARGET_SINGLE_PARTY || m_spellInfo->EffectImplicitTargetA[i] == TARGET_CURRENT_ENEMY_COORDINATES)
{
need = true;
if(!target)
return SPELL_FAILED_BAD_IMPLICIT_TARGETS;
break;
}
}
if(need)
m_targets.setUnitTarget(target);
Unit* _target = m_targets.getUnitTarget();
if(_target) //for target dead/target not valid
{
if(!_target->isAlive())
return SPELL_FAILED_BAD_TARGETS;
if(!IsValidSingleTargetSpell(_target))
return SPELL_FAILED_BAD_TARGETS;
}
//cooldown
if(((Creature*)m_caster)->HasSpellCooldown(m_spellInfo->Id))
return SPELL_FAILED_NOT_READY;
}
return CheckCast(true);
}
SpellCastResult Spell::CheckCasterAuras() const
{
// Flag drop spells totally immuned to caster auras
// FIXME: find more nice check for all totally immuned spells
// AttributesEx3 & 0x10000000?
if(m_spellInfo->Id==23336 || m_spellInfo->Id==23334 || m_spellInfo->Id==34991)
return SPELL_CAST_OK;
uint8 school_immune = 0;
uint32 mechanic_immune = 0;
uint32 dispel_immune = 0;
//Check if the spell grants school or mechanic immunity.
//We use bitmasks so the loop is done only once and not on every aura check below.
if ( m_spellInfo->AttributesEx & SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY )
{
for(int i = 0;i < 3; i ++)
{
if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_SCHOOL_IMMUNITY)
school_immune |= uint32(m_spellInfo->EffectMiscValue[i]);
else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_MECHANIC_IMMUNITY)
mechanic_immune |= 1 << uint32(m_spellInfo->EffectMiscValue[i]);
else if(m_spellInfo->EffectApplyAuraName[i] == SPELL_AURA_DISPEL_IMMUNITY)
dispel_immune |= GetDispellMask(DispelType(m_spellInfo->EffectMiscValue[i]));
}
//immune movement impairment and loss of control
if(m_spellInfo->Id==(uint32)42292)
mechanic_immune = IMMUNE_TO_MOVEMENT_IMPAIRMENT_AND_LOSS_CONTROL_MASK;
}
//Check whether the cast should be prevented by any state you might have.
SpellCastResult prevented_reason = SPELL_CAST_OK;
// Have to check if there is a stun aura. Otherwise will have problems with ghost aura apply while logging out
uint32 unitflag = m_caster->GetUInt32Value(UNIT_FIELD_FLAGS); // Get unit state
if(unitflag & UNIT_FLAG_STUNNED && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED))
prevented_reason = SPELL_FAILED_STUNNED;
else if(unitflag & UNIT_FLAG_CONFUSED && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
prevented_reason = SPELL_FAILED_CONFUSED;
else if(unitflag & UNIT_FLAG_FLEEING && !(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
prevented_reason = SPELL_FAILED_FLEEING;
else if(unitflag & UNIT_FLAG_SILENCED && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
prevented_reason = SPELL_FAILED_SILENCED;
else if(unitflag & UNIT_FLAG_PACIFIED && m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
prevented_reason = SPELL_FAILED_PACIFIED;
// Attr must make flag drop spell totally immune from all effects
if(prevented_reason)
{
if(school_immune || mechanic_immune || dispel_immune)
{
//Checking auras is needed now, because you are prevented by some state but the spell grants immunity.
Unit::AuraMap const& auras = m_caster->GetAuras();
for(Unit::AuraMap::const_iterator itr = auras.begin(); itr != auras.end(); ++itr)
{
if(itr->second)
{
if( GetSpellMechanicMask(itr->second->GetSpellProto(), itr->second->GetEffIndex()) & mechanic_immune )
continue;
if( GetSpellSchoolMask(itr->second->GetSpellProto()) & school_immune )
continue;
if( (1<<(itr->second->GetSpellProto()->Dispel)) & dispel_immune)
continue;
//Make a second check for spell failed so the right SPELL_FAILED message is returned.
//That is needed when your casting is prevented by multiple states and you are only immune to some of them.
switch(itr->second->GetModifier()->m_auraname)
{
case SPELL_AURA_MOD_STUN:
if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_STUNNED))
return SPELL_FAILED_STUNNED;
break;
case SPELL_AURA_MOD_CONFUSE:
if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_CONFUSED))
return SPELL_FAILED_CONFUSED;
break;
case SPELL_AURA_MOD_FEAR:
if (!(m_spellInfo->AttributesEx5 & SPELL_ATTR_EX5_USABLE_WHILE_FEARED))
return SPELL_FAILED_FLEEING;
break;
case SPELL_AURA_MOD_SILENCE:
case SPELL_AURA_MOD_PACIFY:
case SPELL_AURA_MOD_PACIFY_SILENCE:
if( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_PACIFY)
return SPELL_FAILED_PACIFIED;
else if ( m_spellInfo->PreventionType==SPELL_PREVENTION_TYPE_SILENCE)
return SPELL_FAILED_SILENCED;
break;
}
}
}
}
//You are prevented from casting and the spell casted does not grant immunity. Return a failed error.
else
return prevented_reason;
}
return SPELL_CAST_OK;
}
bool Spell::CanAutoCast(Unit* target)
{
uint64 targetguid = target->GetGUID();
for(uint32 j = 0;j<3;j++)
{
if(m_spellInfo->Effect[j] == SPELL_EFFECT_APPLY_AURA)
{
if( m_spellInfo->StackAmount <= 1)
{
if( target->HasAura(m_spellInfo->Id, j) )
return false;
}
else
{
if( target->GetAuras().count(Unit::spellEffectPair(m_spellInfo->Id, j)) >= m_spellInfo->StackAmount)
return false;
}
}
else if ( IsAreaAuraEffect( m_spellInfo->Effect[j] ))
{
if( target->HasAura(m_spellInfo->Id, j) )
return false;
}
}
SpellCastResult result = CheckPetCast(target);
if(result == SPELL_CAST_OK || result == SPELL_FAILED_UNIT_NOT_INFRONT)
{
FillTargetMap();
//check if among target units, our WANTED target is as well (->only self cast spells return false)
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
if( ihit->targetGUID == targetguid )
return true;
}
return false; //target invalid
}
SpellCastResult Spell::CheckRange(bool strict)
{
//float range_mod;
// self cast doesn't need range checking -- also for Starshards fix
if (m_spellInfo->rangeIndex == 1)
return SPELL_CAST_OK;
// i do not know why we need this
/*if (strict) //add radius of caster
range_mod = 1.25;
else //add radius of caster and ~5 yds "give"
range_mod = 6.25;*/
SpellRangeEntry const* srange = sSpellRangeStore.LookupEntry(m_spellInfo->rangeIndex);
Unit *target = m_targets.getUnitTarget();
float max_range = m_caster->GetSpellMaxRangeForTarget(target, srange); // + range_mod;
float min_range = m_caster->GetSpellMinRangeForTarget(target, srange);
uint32 range_type = GetSpellRangeType(srange);
if(Player* modOwner = m_caster->GetSpellModOwner())
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_RANGE, max_range, this);
if(target && target != m_caster)
{
if(range_type == SPELL_RANGE_MELEE)
{
// Because of lag, we can not check too strictly here.
if(!m_caster->IsWithinMeleeRange(target, max_range/* - 2*MIN_MELEE_REACH*/))
return SPELL_FAILED_OUT_OF_RANGE;
}
else if(!m_caster->IsWithinCombatRange(target, max_range))
return SPELL_FAILED_OUT_OF_RANGE; //0x5A;
if(range_type == SPELL_RANGE_RANGED)
{
if(m_caster->IsWithinMeleeRange(target))
return SPELL_FAILED_TOO_CLOSE;
}
else if(min_range && m_caster->IsWithinCombatRange(target, min_range)) // skip this check if min_range = 0
return SPELL_FAILED_TOO_CLOSE;
if( m_caster->GetTypeId() == TYPEID_PLAYER &&
(m_spellInfo->FacingCasterFlags & SPELL_FACING_FLAG_INFRONT) && !m_caster->HasInArc( M_PI, target ) )
return SPELL_FAILED_UNIT_NOT_INFRONT;
}
if(m_targets.m_targetMask == TARGET_FLAG_DEST_LOCATION && m_targets.m_destX != 0 && m_targets.m_destY != 0 && m_targets.m_destZ != 0)
{
float dist = m_caster->GetDistance(m_targets.m_destX, m_targets.m_destY, m_targets.m_destZ);
if(dist > max_range)
return SPELL_FAILED_OUT_OF_RANGE;
if(dist < min_range)
return SPELL_FAILED_TOO_CLOSE;
}
return SPELL_CAST_OK;
}
int32 Spell::CalculatePowerCost()
{
// item cast not used power
if(m_CastItem)
return 0;
// Spell drain all exist power on cast (Only paladin lay of Hands)
if (m_spellInfo->AttributesEx & SPELL_ATTR_EX_DRAIN_ALL_POWER)
{
// If power type - health drain all
if (m_spellInfo->powerType == POWER_HEALTH)
return m_caster->GetHealth();
// Else drain all power
if (m_spellInfo->powerType < MAX_POWERS)
return m_caster->GetPower(Powers(m_spellInfo->powerType));
sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
return 0;
}
// Base powerCost
int32 powerCost = m_spellInfo->manaCost;
// PCT cost from total amount
if (m_spellInfo->ManaCostPercentage)
{
switch (m_spellInfo->powerType)
{
// health as power used
case POWER_HEALTH:
powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateHealth() / 100;
break;
case POWER_MANA:
powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetCreateMana() / 100;
break;
case POWER_RAGE:
case POWER_FOCUS:
case POWER_ENERGY:
case POWER_HAPPINESS:
powerCost += m_spellInfo->ManaCostPercentage * m_caster->GetMaxPower(Powers(m_spellInfo->powerType)) / 100;
break;
case POWER_RUNE:
case POWER_RUNIC_POWER:
sLog.outDebug("Spell::CalculateManaCost: Not implemented yet!");
break;
default:
sLog.outError("Spell::CalculateManaCost: Unknown power type '%d' in spell %d", m_spellInfo->powerType, m_spellInfo->Id);
return 0;
}
}
SpellSchools school = GetFirstSchoolInMask(m_spellSchoolMask);
// Flat mod from caster auras by spell school
powerCost += m_caster->GetInt32Value(UNIT_FIELD_POWER_COST_MODIFIER + school);
// Shiv - costs 20 + weaponSpeed*10 energy (apply only to non-triggered spell with energy cost)
if ( m_spellInfo->AttributesEx4 & SPELL_ATTR_EX4_SPELL_VS_EXTEND_COST )
powerCost += m_caster->GetAttackTime(OFF_ATTACK)/100;
// Apply cost mod by spell
if(Player* modOwner = m_caster->GetSpellModOwner())
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_COST, powerCost, this);
if(m_spellInfo->Attributes & SPELL_ATTR_LEVEL_DAMAGE_CALCULATION)
powerCost = int32(powerCost/ (1.117f* m_spellInfo->spellLevel / m_caster->getLevel() -0.1327f));
// PCT mod from user auras by school
powerCost = int32(powerCost * (1.0f+m_caster->GetFloatValue(UNIT_FIELD_POWER_COST_MULTIPLIER+school)));
if (powerCost < 0)
powerCost = 0;
return powerCost;
}
SpellCastResult Spell::CheckPower()
{
// item cast not used power
if(m_CastItem)
return SPELL_CAST_OK;
// health as power used - need check health amount
if(m_spellInfo->powerType == POWER_HEALTH)
{
if(m_caster->GetHealth() <= m_powerCost)
return SPELL_FAILED_CASTER_AURASTATE;
return SPELL_CAST_OK;
}
// Check valid power type
if( m_spellInfo->powerType >= MAX_POWERS )
{
sLog.outError("Spell::CheckMana: Unknown power type '%d'", m_spellInfo->powerType);
return SPELL_FAILED_UNKNOWN;
}
SpellCastResult failReason = CheckRuneCost(m_spellInfo->runeCostID);
if(failReason != SPELL_CAST_OK)
return failReason;
// Check power amount
Powers powerType = Powers(m_spellInfo->powerType);
if(m_caster->GetPower(powerType) < m_powerCost)
return SPELL_FAILED_NO_POWER;
else
return SPELL_CAST_OK;
}
SpellCastResult Spell::CheckItems()
{
if (m_caster->GetTypeId() != TYPEID_PLAYER)
return SPELL_CAST_OK;
Player* p_caster = (Player*)m_caster;
if(!m_CastItem)
{
if(m_castItemGUID)
return SPELL_FAILED_ITEM_NOT_READY;
}
else
{
uint32 itemid = m_CastItem->GetEntry();
if( !p_caster->HasItemCount(itemid,1) )
return SPELL_FAILED_ITEM_NOT_READY;
ItemPrototype const *proto = m_CastItem->GetProto();
if(!proto)
return SPELL_FAILED_ITEM_NOT_READY;
for (int i = 0; i<5; i++)
if (proto->Spells[i].SpellCharges)
if(m_CastItem->GetSpellCharges(i)==0)
return SPELL_FAILED_NO_CHARGES_REMAIN;
// consumable cast item checks
if (proto->Class == ITEM_CLASS_CONSUMABLE && m_targets.getUnitTarget())
{
// such items should only fail if there is no suitable effect at all - see Rejuvenation Potions for example
SpellCastResult failReason = SPELL_CAST_OK;
for (int i = 0; i < 3; i++)
{
// skip check, pet not required like checks, and for TARGET_PET m_targets.getUnitTarget() is not the real target but the caster
if (m_spellInfo->EffectImplicitTargetA[i] == TARGET_PET)
continue;
if (m_spellInfo->Effect[i] == SPELL_EFFECT_HEAL)
{
if (m_targets.getUnitTarget()->GetHealth() == m_targets.getUnitTarget()->GetMaxHealth())
{
failReason = SPELL_FAILED_ALREADY_AT_FULL_HEALTH;
continue;
}
else
{
failReason = SPELL_CAST_OK;
break;
}
}
// Mana Potion, Rage Potion, Thistle Tea(Rogue), ...
if (m_spellInfo->Effect[i] == SPELL_EFFECT_ENERGIZE)
{
if(m_spellInfo->EffectMiscValue[i] < 0 || m_spellInfo->EffectMiscValue[i] >= MAX_POWERS)
{
failReason = SPELL_FAILED_ALREADY_AT_FULL_POWER;
continue;
}
Powers power = Powers(m_spellInfo->EffectMiscValue[i]);
if (m_targets.getUnitTarget()->GetPower(power) == m_targets.getUnitTarget()->GetMaxPower(power))
{
failReason = SPELL_FAILED_ALREADY_AT_FULL_POWER;
continue;
}
else
{
failReason = SPELL_CAST_OK;
break;
}
}
}
if (failReason != SPELL_CAST_OK)
return failReason;
}
}
// check target item
if(m_targets.getItemTargetGUID())
{
if(m_caster->GetTypeId() != TYPEID_PLAYER)
return SPELL_FAILED_BAD_TARGETS;
if(!m_targets.getItemTarget())
return SPELL_FAILED_ITEM_GONE;
if(!m_targets.getItemTarget()->IsFitToSpellRequirements(m_spellInfo))
return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
}
// if not item target then required item must be equipped
else
{
if(m_caster->GetTypeId() == TYPEID_PLAYER && !((Player*)m_caster)->HasItemFitToSpellReqirements(m_spellInfo))
return SPELL_FAILED_EQUIPPED_ITEM_CLASS;
}
// check spell focus object
if(m_spellInfo->RequiresSpellFocus)
{
CellPair p(Trinity::ComputeCellPair(m_caster->GetPositionX(), m_caster->GetPositionY()));
Cell cell(p);
cell.data.Part.reserved = ALL_DISTRICT;
GameObject* ok = NULL;
MaNGOS::GameObjectFocusCheck go_check(m_caster,m_spellInfo->RequiresSpellFocus);
MaNGOS::GameObjectSearcher<MaNGOS::GameObjectFocusCheck> checker(m_caster,ok,go_check);
TypeContainerVisitor<Trinity::GameObjectSearcher<Trinity::GameObjectFocusCheck>, GridTypeMapContainer > object_checker(checker);
CellLock<GridReadGuard> cell_lock(cell, p);
cell_lock->Visit(cell_lock, object_checker, *MapManager::Instance().GetMap(m_caster->GetMapId(), m_caster));
if(!ok)
return SPELL_FAILED_REQUIRES_SPELL_FOCUS;
focusObject = ok; // game object found in range
}
// check reagents
if (!p_caster->CanNoReagentCast(m_spellInfo))
{
for(uint32 i=0;i<8;i++)
{
if(m_spellInfo->Reagent[i] <= 0)
continue;
uint32 itemid = m_spellInfo->Reagent[i];
uint32 itemcount = m_spellInfo->ReagentCount[i];
// if CastItem is also spell reagent
if( m_CastItem && m_CastItem->GetEntry() == itemid )
{
ItemPrototype const *proto = m_CastItem->GetProto();
if(!proto)
return SPELL_FAILED_ITEM_NOT_READY;
for(int s=0;s < MAX_ITEM_PROTO_SPELLS; ++s)
{
// CastItem will be used up and does not count as reagent
int32 charges = m_CastItem->GetSpellCharges(s);
if (proto->Spells[s].SpellCharges < 0 && abs(charges) < 2)
{
++itemcount;
break;
}
}
}
if( !p_caster->HasItemCount(itemid,itemcount) )
return SPELL_FAILED_ITEM_NOT_READY; //0x54
}
}
// check totem-item requirements (items presence in inventory)
uint32 totems = 2;
for(int i=0;i<2;++i)
{
if(m_spellInfo->Totem[i] != 0)
{
if( p_caster->HasItemCount(m_spellInfo->Totem[i],1) )
{
totems -= 1;
continue;
}
}else
totems -= 1;
}
if(totems != 0)
return SPELL_FAILED_TOTEMS; //0x7C
// Check items for TotemCategory (items presence in inventory)
uint32 TotemCategory = 2;
for(int i=0;i<2;++i)
{
if(m_spellInfo->TotemCategory[i] != 0)
{
if( p_caster->HasItemTotemCategory(m_spellInfo->TotemCategory[i]) )
{
TotemCategory -= 1;
continue;
}
}
else
TotemCategory -= 1;
}
if(TotemCategory != 0)
return SPELL_FAILED_TOTEM_CATEGORY; //0x7B
// special checks for spell effects
for(int i = 0; i < 3; i++)
{
switch (m_spellInfo->Effect[i])
{
case SPELL_EFFECT_CREATE_ITEM:
{
if (!m_IsTriggeredSpell && m_spellInfo->EffectItemType[i])
{
ItemPosCountVec dest;
uint8 msg = p_caster->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, m_spellInfo->EffectItemType[i], 1 );
if (msg != EQUIP_ERR_OK )
{
p_caster->SendEquipError( msg, NULL, NULL );
return SPELL_FAILED_DONT_REPORT;
}
}
break;
}
case SPELL_EFFECT_ENCHANT_ITEM:
case SPELL_EFFECT_ENCHANT_ITEM_PRISMATIC:
{
Item* targetItem = m_targets.getItemTarget();
if(!targetItem)
return SPELL_FAILED_ITEM_NOT_FOUND;
if( targetItem->GetProto()->ItemLevel < m_spellInfo->baseLevel )
return SPELL_FAILED_LOWLEVEL;
// Not allow enchant in trade slot for some enchant type
if( targetItem->GetOwner() != m_caster )
{
uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
if(!pEnchant)
return SPELL_FAILED_ERROR;
if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
return SPELL_FAILED_NOT_TRADEABLE;
}
break;
}
case SPELL_EFFECT_ENCHANT_ITEM_TEMPORARY:
{
Item *item = m_targets.getItemTarget();
if(!item)
return SPELL_FAILED_ITEM_NOT_FOUND;
// Not allow enchant in trade slot for some enchant type
if( item->GetOwner() != m_caster )
{
uint32 enchant_id = m_spellInfo->EffectMiscValue[i];
SpellItemEnchantmentEntry const *pEnchant = sSpellItemEnchantmentStore.LookupEntry(enchant_id);
if(!pEnchant)
return SPELL_FAILED_ERROR;
if (pEnchant->slot & ENCHANTMENT_CAN_SOULBOUND)
return SPELL_FAILED_NOT_TRADEABLE;
}
break;
}
case SPELL_EFFECT_ENCHANT_HELD_ITEM:
// check item existence in effect code (not output errors at offhand hold item effect to main hand for example
break;
case SPELL_EFFECT_DISENCHANT:
{
if(!m_targets.getItemTarget())
return SPELL_FAILED_CANT_BE_DISENCHANTED;
// prevent disenchanting in trade slot
if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
return SPELL_FAILED_CANT_BE_DISENCHANTED;
ItemPrototype const* itemProto = m_targets.getItemTarget()->GetProto();
if(!itemProto)
return SPELL_FAILED_CANT_BE_DISENCHANTED;
uint32 item_quality = itemProto->Quality;
// 2.0.x addon: Check player enchanting level against the item disenchanting requirements
uint32 item_disenchantskilllevel = itemProto->RequiredDisenchantSkill;
if (item_disenchantskilllevel == uint32(-1))
return SPELL_FAILED_CANT_BE_DISENCHANTED;
if (item_disenchantskilllevel > p_caster->GetSkillValue(SKILL_ENCHANTING))
return SPELL_FAILED_LOW_CASTLEVEL;
if(item_quality > 4 || item_quality < 2)
return SPELL_FAILED_CANT_BE_DISENCHANTED;
if(itemProto->Class != ITEM_CLASS_WEAPON && itemProto->Class != ITEM_CLASS_ARMOR)
return SPELL_FAILED_CANT_BE_DISENCHANTED;
if (!itemProto->DisenchantID)
return SPELL_FAILED_CANT_BE_DISENCHANTED;
break;
}
case SPELL_EFFECT_PROSPECTING:
{
if(!m_targets.getItemTarget())
return SPELL_FAILED_CANT_BE_PROSPECTED;
//ensure item is a prospectable ore
if(!(m_targets.getItemTarget()->GetProto()->BagFamily & BAG_FAMILY_MASK_MINING_SUPP) || m_targets.getItemTarget()->GetProto()->Class != ITEM_CLASS_TRADE_GOODS)
return SPELL_FAILED_CANT_BE_PROSPECTED;
//prevent prospecting in trade slot
if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
return SPELL_FAILED_CANT_BE_PROSPECTED;
//Check for enough skill in jewelcrafting
uint32 item_prospectingskilllevel = m_targets.getItemTarget()->GetProto()->RequiredSkillRank;
if(item_prospectingskilllevel >p_caster->GetSkillValue(SKILL_JEWELCRAFTING))
return SPELL_FAILED_LOW_CASTLEVEL;
//make sure the player has the required ores in inventory
if(m_targets.getItemTarget()->GetCount() < 5)
return SPELL_FAILED_NEED_MORE_ITEMS;
if(!LootTemplates_Prospecting.HaveLootFor(m_targets.getItemTargetEntry()))
return SPELL_FAILED_CANT_BE_PROSPECTED;
break;
}
case SPELL_EFFECT_MILLING:
{
if(!m_targets.getItemTarget())
return SPELL_FAILED_CANT_BE_MILLED;
//ensure item is a millable herb
if(!(m_targets.getItemTarget()->GetProto()->BagFamily & BAG_FAMILY_MASK_HERBS) || m_targets.getItemTarget()->GetProto()->Class != ITEM_CLASS_TRADE_GOODS)
return SPELL_FAILED_CANT_BE_MILLED;
//prevent milling in trade slot
if( m_targets.getItemTarget()->GetOwnerGUID() != m_caster->GetGUID() )
return SPELL_FAILED_CANT_BE_MILLED;
//Check for enough skill in inscription
uint32 item_millingskilllevel = m_targets.getItemTarget()->GetProto()->RequiredSkillRank;
if(item_millingskilllevel >p_caster->GetSkillValue(SKILL_INSCRIPTION))
return SPELL_FAILED_LOW_CASTLEVEL;
//make sure the player has the required herbs in inventory
if(m_targets.getItemTarget()->GetCount() < 5)
return SPELL_FAILED_NEED_MORE_ITEMS;
if(!LootTemplates_Milling.HaveLootFor(m_targets.getItemTargetEntry()))
return SPELL_FAILED_CANT_BE_MILLED;
break;
}
case SPELL_EFFECT_WEAPON_DAMAGE:
case SPELL_EFFECT_WEAPON_DAMAGE_NOSCHOOL:
{
if(m_caster->GetTypeId() != TYPEID_PLAYER) return SPELL_FAILED_TARGET_NOT_PLAYER;
if( m_attackType != RANGED_ATTACK )
break;
Item *pItem = ((Player*)m_caster)->GetWeaponForAttack(m_attackType);
if(!pItem || pItem->IsBroken())
return SPELL_FAILED_EQUIPPED_ITEM;
switch(pItem->GetProto()->SubClass)
{
case ITEM_SUBCLASS_WEAPON_THROWN:
{
uint32 ammo = pItem->GetEntry();
if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
return SPELL_FAILED_NO_AMMO;
}; break;
case ITEM_SUBCLASS_WEAPON_GUN:
case ITEM_SUBCLASS_WEAPON_BOW:
case ITEM_SUBCLASS_WEAPON_CROSSBOW:
{
uint32 ammo = ((Player*)m_caster)->GetUInt32Value(PLAYER_AMMO_ID);
if(!ammo)
{
// Requires No Ammo
if(m_caster->GetDummyAura(46699))
break; // skip other checks
return SPELL_FAILED_NO_AMMO;
}
ItemPrototype const *ammoProto = objmgr.GetItemPrototype( ammo );
if(!ammoProto)
return SPELL_FAILED_NO_AMMO;
if(ammoProto->Class != ITEM_CLASS_PROJECTILE)
return SPELL_FAILED_NO_AMMO;
// check ammo ws. weapon compatibility
switch(pItem->GetProto()->SubClass)
{
case ITEM_SUBCLASS_WEAPON_BOW:
case ITEM_SUBCLASS_WEAPON_CROSSBOW:
if(ammoProto->SubClass!=ITEM_SUBCLASS_ARROW)
return SPELL_FAILED_NO_AMMO;
break;
case ITEM_SUBCLASS_WEAPON_GUN:
if(ammoProto->SubClass!=ITEM_SUBCLASS_BULLET)
return SPELL_FAILED_NO_AMMO;
break;
default:
return SPELL_FAILED_NO_AMMO;
}
if( !((Player*)m_caster)->HasItemCount( ammo, 1 ) )
return SPELL_FAILED_NO_AMMO;
}; break;
case ITEM_SUBCLASS_WEAPON_WAND:
default:
break;
}
break;
}
default:break;
}
}
return SPELL_CAST_OK;
}
void Spell::Delayed() // only called in DealDamage()
{
if(!m_caster)// || m_caster->GetTypeId() != TYPEID_PLAYER)
return;
//if (m_spellState == SPELL_STATE_DELAYED)
// return; // spell is active and can't be time-backed
if(isDelayableNoMore()) // Spells may only be delayed twice
return;
// spells not loosing casting time ( slam, dynamites, bombs.. )
//if(!(m_spellInfo->InterruptFlags & SPELL_INTERRUPT_FLAG_DAMAGE))
// return;
//check pushback reduce
int32 delaytime = 500; // spellcasting delay is normally 500ms
int32 delayReduce = 100; // must be initialized to 100 for percent modifiers
((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME, delayReduce, this);
delayReduce += m_caster->GetTotalAuraModifier(SPELL_AURA_REDUCE_PUSHBACK) - 100;
if(delayReduce >= 100)
return;
delaytime = delaytime * (100 - delayReduce) / 100;
if(int32(m_timer) + delaytime > m_casttime)
{
delaytime = m_casttime - m_timer;
m_timer = m_casttime;
}
else
m_timer += delaytime;
sLog.outDetail("Spell %u partially interrupted for (%d) ms at damage",m_spellInfo->Id,delaytime);
WorldPacket data(SMSG_SPELL_DELAYED, 8+4);
data.append(m_caster->GetPackGUID());
data << uint32(delaytime);
m_caster->SendMessageToSet(&data,true);
}
void Spell::DelayedChannel()
{
if(!m_caster || m_caster->GetTypeId() != TYPEID_PLAYER || getState() != SPELL_STATE_CASTING)
return;
if(isDelayableNoMore()) // Spells may only be delayed twice
return;
//check pushback reduce
int32 delaytime = GetSpellDuration(m_spellInfo) * 25 / 100; // channeling delay is normally 25% of its time per hit
int32 delayReduce = 100; // must be initialized to 100 for percent modifiers
((Player*)m_caster)->ApplySpellMod(m_spellInfo->Id,SPELLMOD_NOT_LOSE_CASTING_TIME,delayReduce, this);
delayReduce += m_caster->GetTotalAuraModifier(SPELL_AURA_REDUCE_PUSHBACK) - 100;
if(delayReduce >= 100)
return;
delaytime = delaytime * (100 - delayReduce) / 100;
if(int32(m_timer) < delaytime)
{
delaytime = m_timer;
m_timer = 0;
}
else
m_timer -= delaytime;
sLog.outDebug("Spell %u partially interrupted for %i ms, new duration: %u ms", m_spellInfo->Id, delaytime, m_timer);
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
{
if ((*ihit).missCondition == SPELL_MISS_NONE)
{
Unit* unit = m_caster->GetGUID()==ihit->targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, ihit->targetGUID);
if (unit)
{
for (int j=0;j<3;j++)
if( ihit->effectMask & (1<<j) )
unit->DelayAura(m_spellInfo->Id, j, delaytime);
}
}
}
for(int j = 0; j < 3; j++)
{
// partially interrupt persistent area auras
DynamicObject* dynObj = m_caster->GetDynObject(m_spellInfo->Id, j);
if(dynObj)
dynObj->Delay(delaytime);
}
SendChannelUpdate(m_timer);
}
void Spell::UpdatePointers()
{
if(m_originalCasterGUID==m_caster->GetGUID())
m_originalCaster = m_caster;
else
{
m_originalCaster = ObjectAccessor::GetUnit(*m_caster,m_originalCasterGUID);
if(m_originalCaster && !m_originalCaster->IsInWorld()) m_originalCaster = NULL;
}
if(m_castItemGUID && m_caster->GetTypeId() == TYPEID_PLAYER)
m_CastItem = ((Player*)m_caster)->GetItemByGuid(m_castItemGUID);
m_targets.Update(m_caster);
}
bool Spell::IsAffectedByAura(Aura *aura)
{
return spellmgr.IsAffectedByMod(m_spellInfo, aura->getAuraSpellMod());
}
bool Spell::CheckTargetCreatureType(Unit* target) const
{
uint32 spellCreatureTargetMask = m_spellInfo->TargetCreatureType;
// Curse of Doom : not find another way to fix spell target check :/
if(m_spellInfo->SpellFamilyName==SPELLFAMILY_WARLOCK && m_spellInfo->SpellFamilyFlags.IsEqual(0,0x02,0))
{
// not allow cast at player
if(target->GetTypeId()==TYPEID_PLAYER)
return false;
spellCreatureTargetMask = 0x7FF;
}
// Dismiss Pet and Taming Lesson skipped
if(m_spellInfo->Id == 2641 || m_spellInfo->Id == 23356)
spellCreatureTargetMask = 0;
if (spellCreatureTargetMask)
{
uint32 TargetCreatureType = target->GetCreatureTypeMask();
return !TargetCreatureType || (spellCreatureTargetMask & TargetCreatureType);
}
return true;
}
CurrentSpellTypes Spell::GetCurrentContainer()
{
if (IsNextMeleeSwingSpell())
return(CURRENT_MELEE_SPELL);
else if (IsAutoRepeat())
return(CURRENT_AUTOREPEAT_SPELL);
else if (IsChanneledSpell(m_spellInfo))
return(CURRENT_CHANNELED_SPELL);
else
return(CURRENT_GENERIC_SPELL);
}
bool Spell::CheckTarget( Unit* target, uint32 eff )
{
// Check targets for creature type mask and remove not appropriate (skip explicit self target case, maybe need other explicit targets)
if(m_spellInfo->EffectImplicitTargetA[eff]!=TARGET_SELF)
{
if (!CheckTargetCreatureType(target))
return false;
}
// Check Aura spell req (need for AoE spells)
if(m_spellInfo->targetAuraSpell && !target->HasAura(m_spellInfo->targetAuraSpell))
return false;
if (m_spellInfo->excludeTargetAuraSpell && target->HasAura(m_spellInfo->excludeTargetAuraSpell))
return false;
// Check targets for not_selectable unit flag and remove
// A player can cast spells on his pet (or other controlled unit) though in any state
if (target != m_caster && target->GetCharmerOrOwnerGUID() != m_caster->GetGUID())
{
// any unattackable target skipped
if (target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NON_ATTACKABLE))
return false;
// unselectable targets skipped in all cases except TARGET_SCRIPT targeting
// in case TARGET_SCRIPT target selected by server always and can't be cheated
/*if( target->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_NOT_SELECTABLE) &&
m_spellInfo->EffectImplicitTargetA[eff] != TARGET_SCRIPT &&
m_spellInfo->EffectImplicitTargetB[eff] != TARGET_SCRIPT )
return false;*/
}
//Check player targets and remove if in GM mode or GM invisibility (for not self casting case)
if( target != m_caster && target->GetTypeId()==TYPEID_PLAYER)
{
if(((Player*)target)->GetVisibility()==VISIBILITY_OFF)
return false;
if(((Player*)target)->isGameMaster() && !IsPositiveSpell(m_spellInfo->Id))
return false;
}
//Do not check LOS for triggered spells
if(m_IsTriggeredSpell)
return true;
//Check targets for LOS visibility (except spells without range limitations )
switch(m_spellInfo->Effect[eff])
{
case SPELL_EFFECT_SUMMON_PLAYER: // from anywhere
break;
case SPELL_EFFECT_DUMMY:
if(m_spellInfo->Id!=20577) // Cannibalize
break;
//fall through
case SPELL_EFFECT_RESURRECT_NEW:
// player far away, maybe his corpse near?
if(target!=m_caster && !target->IsWithinLOSInMap(m_caster))
{
if(!m_targets.getCorpseTargetGUID())
return false;
Corpse *corpse = ObjectAccessor::GetCorpse(*m_caster,m_targets.getCorpseTargetGUID());
if(!corpse)
return false;
if(target->GetGUID()!=corpse->GetOwnerGUID())
return false;
if(!corpse->IsWithinLOSInMap(m_caster))
return false;
}
// all ok by some way or another, skip normal check
break;
default: // normal case
// Get GO cast coordinates if original caster -> GO
WorldObject *caster = NULL;
if (m_originalCasterGUID)
caster = ObjectAccessor::GetGameObject(*m_caster, m_originalCasterGUID);
if (!caster)
caster = m_caster;
if(target!=m_caster && !target->IsWithinLOSInMap(caster))
return false;
break;
}
return true;
}
Unit* Spell::SelectMagnetTarget()
{
Unit* target = m_targets.getUnitTarget();
if(target && m_spellInfo->DmgClass == SPELL_DAMAGE_CLASS_MAGIC && target->HasAuraType(SPELL_AURA_SPELL_MAGNET)) //Attributes & 0x10 what is this?
{
Unit::AuraList const& magnetAuras = target->GetAurasByType(SPELL_AURA_SPELL_MAGNET);
for(Unit::AuraList::const_iterator itr = magnetAuras.begin(); itr != magnetAuras.end(); ++itr)
{
if(Unit* magnet = (*itr)->GetCaster())
{
if((*itr)->DropAuraCharge())
{
target = magnet;
m_targets.setUnitTarget(target);
AddUnitTarget(target, 0);
uint64 targetGUID = target->GetGUID();
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin();ihit != m_UniqueTargetInfo.end();++ihit)
{
if (targetGUID == ihit->targetGUID) // Found in list
{
(*ihit).damage = target->GetHealth();
break;
}
}
break;
}
}
}
}
return target;
}
bool Spell::IsNeedSendToClient() const
{
return m_spellInfo->SpellVisual[0] || m_spellInfo->SpellVisual[1] || IsChanneledSpell(m_spellInfo) ||
m_spellInfo->speed > 0.0f || !m_triggeredByAuraSpell && !m_IsTriggeredSpell;
}
bool Spell::HaveTargetsForEffect( uint8 effect ) const
{
for(std::list<TargetInfo>::const_iterator itr= m_UniqueTargetInfo.begin();itr != m_UniqueTargetInfo.end();++itr)
if(itr->effectMask & (1<<effect))
return true;
for(std::list<GOTargetInfo>::const_iterator itr= m_UniqueGOTargetInfo.begin();itr != m_UniqueGOTargetInfo.end();++itr)
if(itr->effectMask & (1<<effect))
return true;
for(std::list<ItemTargetInfo>::const_iterator itr= m_UniqueItemInfo.begin();itr != m_UniqueItemInfo.end();++itr)
if(itr->effectMask & (1<<effect))
return true;
return false;
}
SpellEvent::SpellEvent(Spell* spell) : BasicEvent()
{
m_Spell = spell;
}
SpellEvent::~SpellEvent()
{
if (m_Spell->getState() != SPELL_STATE_FINISHED)
m_Spell->cancel();
if (m_Spell->IsDeletable())
{
delete m_Spell;
}
else
{
sLog.outError("~SpellEvent: %s %u tried to delete non-deletable spell %u. Was not deleted, causes memory leak.",
(m_Spell->GetCaster()->GetTypeId()==TYPEID_PLAYER?"Player":"Creature"), m_Spell->GetCaster()->GetGUIDLow(),m_Spell->m_spellInfo->Id);
}
}
bool SpellEvent::Execute(uint64 e_time, uint32 p_time)
{
// update spell if it is not finished
if (m_Spell->getState() != SPELL_STATE_FINISHED)
m_Spell->update(p_time);
// check spell state to process
switch (m_Spell->getState())
{
case SPELL_STATE_FINISHED:
{
// spell was finished, check deletable state
if (m_Spell->IsDeletable())
{
// check, if we do have unfinished triggered spells
return(true); // spell is deletable, finish event
}
// event will be re-added automatically at the end of routine)
} break;
case SPELL_STATE_DELAYED:
{
// first, check, if we have just started
if (m_Spell->GetDelayStart() != 0)
{
// no, we aren't, do the typical update
// check, if we have channeled spell on our hands
if (IsChanneledSpell(m_Spell->m_spellInfo))
{
// evented channeled spell is processed separately, casted once after delay, and not destroyed till finish
// check, if we have casting anything else except this channeled spell and autorepeat
if (m_Spell->GetCaster()->IsNonMeleeSpellCasted(false, true, true))
{
// another non-melee non-delayed spell is casted now, abort
m_Spell->cancel();
}
// Check if target of channeled spell still in range
else if (m_Spell->CheckRange(false))
m_Spell->cancel();
else
{
// do the action (pass spell to channeling state)
m_Spell->handle_immediate();
}
// event will be re-added automatically at the end of routine)
}
else
{
// run the spell handler and think about what we can do next
uint64 t_offset = e_time - m_Spell->GetDelayStart();
uint64 n_offset = m_Spell->handle_delayed(t_offset);
if (n_offset)
{
// re-add us to the queue
m_Spell->GetCaster()->m_Events.AddEvent(this, m_Spell->GetDelayStart() + n_offset, false);
return(false); // event not complete
}
// event complete
// finish update event will be re-added automatically at the end of routine)
}
}
else
{
// delaying had just started, record the moment
m_Spell->SetDelayStart(e_time);
// re-plan the event for the delay moment
m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + m_Spell->GetDelayMoment(), false);
return(false); // event not complete
}
} break;
default:
{
// all other states
// event will be re-added automatically at the end of routine)
} break;
}
// spell processing not complete, plan event on the next update interval
m_Spell->GetCaster()->m_Events.AddEvent(this, e_time + 1, false);
return(false); // event not complete
}
void SpellEvent::Abort(uint64 /*e_time*/)
{
// oops, the spell we try to do is aborted
if (m_Spell->getState() != SPELL_STATE_FINISHED)
m_Spell->cancel();
}
bool SpellEvent::IsDeletable() const
{
return m_Spell->IsDeletable();
}
bool Spell::IsValidSingleTargetEffect(Unit const* target, Targets type) const
{
switch(type)
{
case TARGET_UNIT_TARGET_ENEMY:
return !m_caster->IsFriendlyTo(target);
case TARGET_UNIT_TARGET_ALLY:
case TARGET_UNIT_PARTY_TARGET:
return m_caster->IsFriendlyTo(target);
case TARGET_UNIT_TARGET_PARTY:
return m_caster != target && m_caster->IsInPartyWith(target);
case TARGET_UNIT_TARGET_RAID:
return m_caster->IsInRaidWith(target);
}
return true;
}
bool Spell::IsValidSingleTargetSpell(Unit const* target) const
{
for(int i = 0; i < 3; ++i)
{
if(!IsValidSingleTargetEffect(target, Targets(m_spellInfo->EffectImplicitTargetA[i])))
return false;
// Need to check B?
//if(!IsValidSingleTargetEffect(m_spellInfo->EffectImplicitTargetB[i], target)
// return false;
}
return true;
}
void Spell::CalculateDamageDoneForAllTargets()
{
float multiplier[3];
for(int i = 0; i < 3; ++i)
{
if ( m_applyMultiplierMask & (1 << i) )
{
// Get multiplier
multiplier[i] = m_spellInfo->DmgMultiplier[i];
// Apply multiplier mods
if(m_originalCaster)
if(Player* modOwner = m_originalCaster->GetSpellModOwner())
modOwner->ApplySpellMod(m_spellInfo->Id, SPELLMOD_EFFECT_PAST_FIRST, multiplier[i], this);
}
}
bool usesAmmo=true;
Unit::AuraList const& Auras = m_caster->GetAurasByType(SPELL_AURA_ABILITY_CONSUME_NO_AMMO);
for(Unit::AuraList::const_iterator j = Auras.begin();j != Auras.end(); ++j)
{
if((*j)->isAffectedOnSpell(m_spellInfo))
usesAmmo=false;
}
for(std::list<TargetInfo>::iterator ihit= m_UniqueTargetInfo.begin(); ihit != m_UniqueTargetInfo.end(); ++ihit)
{
TargetInfo &target = *ihit;
uint32 mask = target.effectMask;
if(!mask)
continue;
Unit* unit = m_caster->GetGUID()==target.targetGUID ? m_caster : ObjectAccessor::GetUnit(*m_caster, target.targetGUID);
if (!unit)
continue;
if (usesAmmo)
{
bool ammoTaken=false;
for (uint8 i=0;i<3;i++)
{
if (!(mask & 1<<i))
continue;
switch (m_spellInfo->Effect[i])
{
case SPELL_EFFECT_SCHOOL_DAMAGE:
case SPELL_EFFECT_WEAPON_DAMAGE:
case SPELL_EFFECT_WEAPON_DAMAGE_NOSCHOOL:
case SPELL_EFFECT_NORMALIZED_WEAPON_DMG:
case SPELL_EFFECT_WEAPON_PERCENT_DAMAGE:
ammoTaken=true;
TakeAmmo();
}
if (ammoTaken)
break;
}
}
if (target.missCondition==SPELL_MISS_NONE) // In case spell hit target, do all effect on that target
target.damage += CalculateDamageDone(unit, mask, multiplier);
else if (target.missCondition == 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
target.damage += CalculateDamageDone(m_caster, mask, multiplier);
}
}
}
int32 Spell::CalculateDamageDone(Unit *unit, const uint32 effectMask, float *multiplier)
{
int32 damageDone = 0;
unitTarget = unit;
for(uint32 i = 0; i < 3; ++i)
{
if (effectMask & (1<<i))
{
m_damage = 0;
damage = CalculateDamage(i, NULL);
switch(m_spellInfo->Effect[i])
{
case SPELL_EFFECT_SCHOOL_DAMAGE:
SpellDamageSchoolDmg(i);
break;
case SPELL_EFFECT_WEAPON_DAMAGE:
case SPELL_EFFECT_WEAPON_DAMAGE_NOSCHOOL:
case SPELL_EFFECT_NORMALIZED_WEAPON_DMG:
case SPELL_EFFECT_WEAPON_PERCENT_DAMAGE:
SpellDamageWeaponDmg(i);
break;
case SPELL_EFFECT_HEAL:
SpellDamageHeal(i);
break;
}
if(m_damage > 0)
{
if(IsAreaEffectTarget[m_spellInfo->EffectImplicitTargetA[i]] || IsAreaEffectTarget[m_spellInfo->EffectImplicitTargetB[i]])
{
if(int32 reducedPct = unit->GetMaxNegativeAuraModifier(SPELL_AURA_MOD_AOE_DAMAGE_AVOIDANCE))
m_damage = m_damage * (100 + reducedPct) / 100;
}
}
if(m_applyMultiplierMask & (1 << i))
{
m_damage *= m_damageMultipliers[i];
m_damageMultipliers[i] *= multiplier[i];
}
damageDone += m_damage;
}
}
return damageDone;
}
SpellCastResult Spell::CanOpenLock(uint32 effIndex, uint32 lockId, SkillType& skillId, int32& reqSkillValue, int32& skillValue)
{
if(!lockId) // possible case for GO and maybe for items.
return SPELL_CAST_OK;
// Get LockInfo
LockEntry const *lockInfo = sLockStore.LookupEntry(lockId);
if (!lockInfo)
return SPELL_FAILED_BAD_TARGETS;
bool reqKey = false; // some locks not have reqs
for(int j = 0; j < 8; ++j)
{
switch(lockInfo->Type[j])
{
// check key item (many fit cases can be)
case LOCK_KEY_ITEM:
if(lockInfo->Index[j] && m_CastItem && m_CastItem->GetEntry()==lockInfo->Index[j])
return SPELL_CAST_OK;
reqKey = true;
break;
// check key skill (only single first fit case can be)
case LOCK_KEY_SKILL:
{
reqKey = true;
// wrong locktype, skip
if(uint32(m_spellInfo->EffectMiscValue[effIndex]) != lockInfo->Index[j])
continue;
skillId = SkillByLockType(LockType(lockInfo->Index[j]));
if ( skillId != SKILL_NONE )
{
// skill bonus provided by casting spell (mostly item spells)
// add the damage modifier from the spell casted (cheat lock / skeleton key etc.) (use m_currentBasePoints, CalculateDamage returns wrong value)
uint32 spellSkillBonus = uint32(m_currentBasePoints[effIndex]+1);
reqSkillValue = lockInfo->Skill[j];
// castitem check: rogue using skeleton keys. the skill values should not be added in this case.
skillValue = m_CastItem || m_caster->GetTypeId()!= TYPEID_PLAYER ?
0 : ((Player*)m_caster)->GetSkillValue(skillId);
skillValue += spellSkillBonus;
if (skillValue < reqSkillValue)
return SPELL_FAILED_LOW_CASTLEVEL;
}
return SPELL_CAST_OK;
}
}
}
if(reqKey)
return SPELL_FAILED_BAD_TARGETS;
return SPELL_CAST_OK;
}
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