uint32 PetAI::GetSpellType(PetAutoSpellType type)
{
if (type >= PET_SPELL_MAX || m_spellType[type].empty())
return 0;
std::vector<uint32> tmpSet;
for (Unit::SpellIdSet::const_iterator itr = m_spellType[type].begin(); itr != m_spellType[type].end(); ++itr)
{
uint32 _spellID = *itr;
if (!_spellID)
continue;
SpellEntry const* spellInfo = sSpellStore.LookupEntry(_spellID);
if (!spellInfo)
continue;
if (m_creature->GetCharmInfo() && m_creature->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
continue;
if (m_creature->HasSpellCooldown(spellInfo))
continue;
if (IsInCombat() && IsNonCombatSpell(spellInfo))
continue;
if (!IsInCombat() && IsPositiveSpell(spellInfo) && !IsNonCombatSpell(spellInfo))
{
int32 duration = GetSpellDuration(spellInfo);
// if ((spellInfo->manaCost || spellInfo->ManaCostPercentage || spellInfo->manaPerSecond) && duration > 0)
// continue;
// allow only spell without cooldown > duration
int32 cooldown = GetSpellRecoveryTime(spellInfo);
if (cooldown >= 0 && duration >= 0 && cooldown > duration)
continue;
}
tmpSet.push_back(_spellID);
}
if (tmpSet.empty())
return 0;
else
return tmpSet[urand(0, tmpSet.size() - 1)];
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count;
recvPacket >> spellId;
recvPacket >> cast_count;
DEBUG_LOG("WORLD: got cast spell packet, spellId - %u, cast_count: %u data length = %i",
spellId, cast_count, recvPacket.size());
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId);
if (!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
return;
}
// not have spell or spell passive and not casted by client
if (!_player->HasSpell (spellId) || IsPassiveSpell(spellId))
{
//cheater? kick? ban?
return;
}
// can't use our own spells when we're in possession of another unit,
if (_player->isPossessing())
return;
// client provided targets
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(_player);
Unit* target = targets.getUnitTarget();
if (target) // auto-selection buff level base at target level (in spellInfo)
{
// if rank not found then function return NULL but in explicit cast case original spell can be casted and later failed with appropriate error message
if (SpellEntry const* actualSpellInfo = sSpellMgr.SelectAuraRankForPlayerLevel(spellInfo, target->getLevel()))
spellInfo = actualSpellInfo;
}
if (spellInfo->AttributesEx2 & SPELL_ATTR2_AUTOREPEAT_FLAG)
{
if (_player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL) && _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)->m_spellInfo->Id == spellInfo->Id)
return;
}
// When casting a combat spell the unit has to be flagged as initiating combat
// No need to check if spell is self-cast because combat spells can only be cast on self with commands
if (target && !IsNonCombatSpell(spellInfo))
_player->setInitiatingCombat(true);
Spell* spell = new Spell(_player, spellInfo, false);
spell->m_cast_count = cast_count; // set count of casts
spell->prepare(&targets);
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
// TODO: add targets.read() check
CHECK_PACKET_SIZE(recvPacket,1+1+1+1+8);
Player* pUser = _player;
uint8 bagIndex, slot;
uint8 spell_count; // number of spells at item, not used
uint8 cast_count; // next cast if exists (single or not)
uint64 item_guid;
recvPacket >> bagIndex >> slot >> spell_count >> cast_count >> item_guid;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if(!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if(pItem->GetGUID() != item_guid)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, spell_count: %u , cast_count: %u, Item: %u, data length = %i", bagIndex, slot, spell_count, cast_count, pItem->GetEntry(), recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if(!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// some item classes can be used only in equipped state
if(proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if( msg != EQUIP_ERR_OK )
{
pUser->SendEquipError( msg, pItem, NULL );
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if( proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAGS_USEABLE_IN_ARENA) &&
pUser->InArena())
{
pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH,pItem,NULL);
return;
}
if (pUser->isInCombat())
{
for(int i = 0; i < 5; ++i)
{
if (SpellEntry const *spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if( pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM )
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding( true );
}
}
SpellCastTargets targets;
if(!targets.read(&recvPacket, pUser))
return;
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if(!Script->ItemUse(pUser,pItem,targets))
{
// no script or script not process request by self
// special learning case
if(pItem->GetProto()->Spells[0].SpellId==SPELL_ID_GENERIC_LEARN)
{
uint32 learning_spell_id = pItem->GetProto()->Spells[1].SpellId;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(SPELL_ID_GENERIC_LEARN);
if(!spellInfo)
{
sLog.outError("Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, SPELL_ID_GENERIC_LEARN);
pUser->SendEquipError(EQUIP_ERR_NONE,pItem,NULL);
return;
}
Spell *spell = new Spell(pUser, spellInfo, false);
spell->m_CastItem = pItem;
spell->m_cast_count = cast_count; //set count of casts
spell->m_currentBasePoints[0] = learning_spell_id;
spell->prepare(&targets);
return;
}
// use triggered flag only for items with many spell casts and for not first cast
int count = 0;
for(int i = 0; i < 5; ++i)
{
_Spell const& spellData = pItem->GetProto()->Spells[i];
// no spell
if(!spellData.SpellId)
continue;
// wrong triggering type
if( spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_USE && spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
continue;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellData.SpellId);
if(!spellInfo)
{
sLog.outError("Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, spellData.SpellId);
continue;
}
Spell *spell = new Spell(pUser, spellInfo, (count > 0));
spell->m_CastItem = pItem;
spell->m_cast_count = cast_count; //set count of casts
spell->prepare(&targets);
++count;
}
}
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
uint8 bagIndex, slot;
uint8 spell_count; // number of spells at item, not used
recvPacket >> bagIndex >> slot >> spell_count;
// TODO: add targets.read() check
Player* pUser = _player;
// ignore for remote control state
if (!pUser->IsSelfMover())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
return;
}
Item* pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, nullptr, nullptr);
return;
}
DETAIL_LOG("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, spell_count: %u , Item: %u, data length = %u", bagIndex, slot, spell_count, pItem->GetEntry(), (uint32)recvPacket.size());
ItemPrototype const* proto = pItem->GetProto();
if (!proto)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, nullptr);
return;
}
// some item classes can be used only in equipped state
if (proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, nullptr);
return;
}
InventoryResult msg = pUser->CanUseItem(pItem);
if (msg != EQUIP_ERR_OK)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(msg, pItem, nullptr);
return;
}
// not allow use item from trade (cheat way only)
if (pItem->IsInTrade())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, nullptr);
return;
}
if (pUser->isInCombat())
{
for (int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT, pItem, nullptr);
return;
}
}
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if (pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM)
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding(true);
}
}
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pUser);
targets.Update(pUser);
if (!pItem->IsTargetValidForItemUse(targets.getUnitTarget()))
{
// free gray item after use fail
pUser->SendEquipError(EQUIP_ERR_NONE, pItem, nullptr);
// search spell for spell error
uint32 spellid = 0;
for (int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (proto->Spells[i].SpellTrigger == ITEM_SPELLTRIGGER_ON_USE || proto->Spells[i].SpellTrigger == ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
{
spellid = proto->Spells[i].SpellId;
break;
}
}
// send spell error
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid))
Spell::SendCastResult(_player, spellInfo, SPELL_FAILED_BAD_TARGETS);
return;
}
// Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if (!sScriptMgr.OnItemUse(pUser, pItem, targets))
{
// no script or script not process request by self
pUser->CastItemUseSpell(pItem, targets);
}
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
// TODO: add targets.read() check
Player* pUser = _player;
uint8 bagIndex, slot;
uint8 spell_count; // number of spells at item, not used
recvPacket >> bagIndex >> slot >> spell_count;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if(!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, spell_count: %u , Item: %u, data length = %i", bagIndex, slot, spell_count, pItem->GetEntry(), (uint32)recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if(!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// some item classes can be used only in equipped state
if(proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if( msg != EQUIP_ERR_OK )
{
pUser->SendEquipError( msg, pItem, NULL );
return;
}
if (pUser->isInCombat())
{
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (SpellEntry const *spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if( pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM )
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding( true );
}
}
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pUser);
targets.Update(pUser);
if (!pItem->IsTargetValidForItemUse(targets.getUnitTarget()))
{
// free gray item after use fail
pUser->SendEquipError(EQUIP_ERR_NONE, pItem, NULL);
// search spell for spell error
uint32 spellid = 0;
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if( proto->Spells[i].SpellTrigger == ITEM_SPELLTRIGGER_ON_USE || proto->Spells[i].SpellTrigger == ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
{
spellid = proto->Spells[i].SpellId;
break;
}
}
// send spell error
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid))
Spell::SendCastResult(_player,spellInfo,SPELL_FAILED_BAD_TARGETS);
return;
}
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if(!Script->ItemUse(pUser,pItem,targets))
{
// no script or script not process request by self
// special learning case
if(pItem->GetProto()->Spells[0].SpellId==SPELL_ID_GENERIC_LEARN)
{
uint32 learning_spell_id = pItem->GetProto()->Spells[1].SpellId;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(SPELL_ID_GENERIC_LEARN);
if(!spellInfo)
{
sLog.outError("Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, SPELL_ID_GENERIC_LEARN);
pUser->SendEquipError(EQUIP_ERR_NONE,pItem,NULL);
return;
}
Spell *spell = new Spell(pUser, spellInfo, false);
spell->m_CastItem = pItem;
spell->m_currentBasePoints[0] = learning_spell_id;
spell->prepare(&targets);
return;
}
// use triggered flag only for items with many spell casts and for not first cast
int count = 0;
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
_Spell const& spellData = pItem->GetProto()->Spells[i];
// no spell
if(!spellData.SpellId)
continue;
// wrong triggering type
if( spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_USE && spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
continue;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellData.SpellId);
if(!spellInfo)
{
sLog.outError("Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, spellData.SpellId);
continue;
}
Spell *spell = new Spell(pUser, spellInfo, (count > 0));
spell->m_CastItem = pItem;
spell->prepare(&targets);
++count;
}
}
}
void PetAI::Reset()
{
m_primaryTargetGuid.Clear();
m_savedTargetGuid.Clear();
m_attackDistanceRecheckTimer.SetInterval(TIME_INTERVAL_LOOK);
m_attackDistanceRecheckTimer.Reset();
m_updateAlliesTimer.SetInterval(ALLIES_UPDATE_TIME);
m_updateAlliesTimer.Reset();
UpdateAllies();
for (uint8 i = PET_SPELL_PASSIVE; i < PET_SPELL_MAX; ++i)
m_spellType[i].clear();
m_AIType = PET_AI_PASSIVE;
m_attackDistance = 0.0f;
float f_range = 0.0f;
if (!m_creature->GetCharmInfo())
return;
uint32 spellsSize = m_creature->IsPet() ? ((Pet*)m_creature)->GetPetAutoSpellSize() : m_creature->GetPetAutoSpellSize();
uint8 rangedDamageSpells = 0;
uint8 meleeDamageSpells = 0;
// classification for pet spells
for (uint32 i = 0; i < spellsSize; ++i)
{
uint32 spellID = m_creature->IsPet() ? ((Pet*)m_creature)->GetPetAutoSpellOnPos(i) : m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
if (IsPassiveSpell(spellInfo))
{
m_spellType[PET_SPELL_PASSIVE].insert(spellID);
continue;
}
if (IsNonCombatSpell(spellInfo))
{
// Voidwalker Consume Shadows
if (IsChanneledSpell(spellInfo))
m_spellType[PET_SPELL_HEAL].insert(spellID);
else
m_spellType[PET_SPELL_NONCOMBAT].insert(spellID);
continue;
}
// need more correct define this type
if (IsSpellReduceThreat(spellInfo) || IsChanneledSpell(spellInfo))
{
m_spellType[PET_SPELL_DEFENCE].insert(spellID);
continue;
}
// Voracious Appetite && Cannibalize && Carrion Feeder
if (spellInfo->HasAttribute(SPELL_ATTR_ABILITY) && spellInfo->HasAttribute(SPELL_ATTR_EX2_ALLOW_DEAD_TARGET))
{
m_spellType[PET_SPELL_HEAL].insert(spellID);
continue;
}
if (IsPositiveSpell(spellInfo) && IsSpellAppliesAura(spellInfo))
{
m_spellType[PET_SPELL_BUFF].insert(spellID);
continue;
}
if (spellInfo->HasAttribute(SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY))
{
m_spellType[PET_SPELL_FREEACTION].insert(spellID);
continue;
}
// don't have SPELL_ATTR_EX_DISPEL_AURAS_ON_IMMUNITY !
if (spellInfo->HasAttribute(SPELL_ATTR_EX_CANT_REFLECTED) ||
spellInfo->HasAttribute(SPELL_ATTR_EX7_HAS_CHARGE_EFFECT))
{
m_spellType[PET_SPELL_ATTACKSTART].insert(spellID);
continue;
}
if (IsSpellIncreaseThreat(spellInfo))
{
m_spellType[PET_SPELL_THREAT].insert(spellID);
continue;
}
// all non-combat spells classified.
switch (spellInfo->rangeIndex)
{
case SPELL_RANGE_IDX_COMBAT:
{
if (IsSpellCauseDamage(spellInfo))
{
m_spellType[PET_SPELL_MELEE].insert(spellID);
++meleeDamageSpells;
}
else
{
m_spellType[PET_SPELL_SPECIAL].insert(spellID);
}
break;
}
// possible debuffs or auras?
case SPELL_RANGE_IDX_SELF_ONLY:
case SPELL_RANGE_IDX_ANYWHERE:
{
m_spellType[PET_SPELL_SPECIAL].insert(spellID);
break;
}
default:
{
float range = GetSpellMaxRange(sSpellRangeStore.LookupEntry(spellInfo->rangeIndex), false);
if (f_range < M_NULL_F || (range > M_NULL_F && range < f_range))
f_range = range;
if (IsSpellCauseDamage(spellInfo))
{
m_spellType[PET_SPELL_RANGED].insert(spellID);
++rangedDamageSpells;
}
else
{
m_spellType[PET_SPELL_SPECIAL].insert(spellID);
}
break;
}
}
}
// define initial AI type
if (m_creature->IsVehicle())
m_AIType = PET_AI_PASSIVE;
if (m_spellType[PET_SPELL_RANGED].size() > 0 && (m_spellType[PET_SPELL_MELEE].size() < m_spellType[PET_SPELL_RANGED].size()))
{
m_AIType = PET_AI_RANGED;
m_attackDistance = f_range - m_creature->GetObjectBoundingRadius() - 2.0f;
if (m_attackDistance < 20.0f)
m_attackDistance = 18.0f;
}
else
{
m_AIType = PET_AI_MELEE;
m_attackDistance = 0.0f;
}
m_savedAIType = m_AIType;
m_creature->GetMotionMaster()->MoveTargetedHome();
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS,"PetAI::Reset %s, AI %u dist %f, spells: "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD" "SIZEFMTD ,
m_creature->GetObjectGuid().GetString().c_str(),
m_AIType,
m_attackDistance,
m_spellType[PET_SPELL_PASSIVE].size(),
m_spellType[PET_SPELL_NONCOMBAT].size(),
m_spellType[PET_SPELL_BUFF].size(),
m_spellType[PET_SPELL_DEBUFF].size(),
m_spellType[PET_SPELL_FREEACTION].size(),
m_spellType[PET_SPELL_ATTACKSTART].size(),
m_spellType[PET_SPELL_THREAT].size(),
m_spellType[PET_SPELL_MELEE].size(),
m_spellType[PET_SPELL_RANGED].size(),
m_spellType[PET_SPELL_DEFENCE].size(),
m_spellType[PET_SPELL_SPECIAL].size(),
m_spellType[PET_SPELL_HEAL].size()
);
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_creature->isAlive())
return;
Unit* owner = m_creature->GetCharmerOrOwner();
m_updateAlliesTimer.Update(diff);
if (m_updateAlliesTimer.Passed())
{
UpdateAllies();
m_updateAlliesTimer.Reset();
}
if (!inCombat && !m_savedTargetGuid.IsEmpty())
{
if (Unit* saved_target = m_creature->GetMap()->GetUnit(m_savedTargetGuid))
{
if (!saved_target->isAlive())
m_savedTargetGuid.Clear();
else if (!saved_target->IsCrowdControlled())
AttackStart(saved_target);
}
else
m_savedTargetGuid.Clear();
}
if (inCombat &&
(!m_creature->getVictim() ||
!m_creature->getVictim()->isAlive() ||
(m_creature->IsPet() && m_creature->GetCharmInfo()->HasState(CHARM_STATE_ACTION, ACTIONS_DISABLE))))
_stopAttack();
if (m_creature->hasUnitState(UNIT_STAT_CAN_NOT_REACT) || m_creature->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PACIFIED))
{
UpdateAIType();
return;
}
// i_pet.getVictim() can't be used for check in case stop fighting, i_pet.getVictim() clear at Unit death etc.
if (m_creature->getVictim())
{
bool meleeReach = m_creature->CanReachWithMeleeAttack(m_creature->getVictim());
if (_needToStop())
{
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "PetAI (guid = %u) is stopping attack.", m_creature->GetGUIDLow());
_stopAttack();
return;
}
else if (!m_creature->getVictim()->isAlive()) // Stop attack if target dead
{
m_creature->InterruptNonMeleeSpells(false);
_stopAttack();
return;
}
else if (sWorld.getConfig(CONFIG_BOOL_PET_ADVANCED_AI) && IsInCombat() && m_creature->getVictim() && m_creature->getVictim()->IsCrowdControlled()) // Stop attack if target under CC effect
{
m_savedTargetGuid = m_creature->getVictim()->GetObjectGuid();
m_creature->InterruptSpell(CURRENT_GENERIC_SPELL, true);
if (!m_creature->IsNonMeleeSpellCasted(false, false, true))
_stopAttack();
return;
}
else if (m_creature->IsStopped() || meleeReach)
{
// required to be stopped cases
if (m_creature->IsStopped() && m_creature->IsNonMeleeSpellCasted(false))
{
if (m_creature->hasUnitState(UNIT_STAT_FOLLOW_MOVE))
m_creature->InterruptNonMeleeSpells(false);
else
return;
}
// not required to be stopped case
else if (DoMeleeAttackIfReady())
{
if (!m_creature->getVictim())
return;
//if pet misses its target, it will also be the first in threat list
m_creature->getVictim()->AddThreat(m_creature);
if (_needToStop())
_stopAttack();
}
}
if (!m_creature->IsNonMeleeSpellCasted(true))
{
m_attackDistanceRecheckTimer.Update(diff);
if (m_attackDistanceRecheckTimer.Passed())
{
m_attackDistanceRecheckTimer.Reset();
if (sWorld.getConfig(CONFIG_BOOL_PET_ADVANCED_AI) && m_AIType == PET_AI_RANGED)
{
float dist = m_creature->GetDistance(m_creature->getVictim());
if ((m_creature->CanReachWithMeleeAttack(m_creature->getVictim()) &&
m_creature->IsWithinDist(m_creature->GetOwner(), m_creature->GetMap()->GetVisibilityDistance() / 2.0f)) ||
dist > (m_attackDistance + 2.0f))
{
MoveToVictim(m_creature->getVictim());
return;
}
}
if (sWorld.getConfig(CONFIG_BOOL_PET_ADVANCED_AI))
{
// AOE check
}
}
}
}
else if (Unit* target = GetPrimaryTarget())
{
AttackStart(target);
}
else if (owner && owner->IsInCombat())
{
switch (m_creature->GetCharmState(CHARM_STATE_REACT))
{
case REACT_DEFENSIVE:
{
if (!m_creature->getVictim()
|| !m_creature->getVictim()->isAlive()
|| (m_primaryTargetGuid.IsEmpty() && owner->getVictim() != m_creature->getVictim() && owner->getVictim()->isAlive()))
AttackStart(owner->getAttackerForHelper());
break;
}
case REACT_AGGRESSIVE:
{
if (!m_creature->getVictim() || !m_creature->getVictim()->isAlive())
AttackStart(owner->getAttackerForHelper());
break;
}
case REACT_PASSIVE:
default:
break;
}
}
UpdateAIType();
if (m_creature->IsNonMeleeSpellCasted(true))
return;
// Autocast (casted only in combat or persistent spells in any state)
if (!sWorld.getConfig(CONFIG_BOOL_PET_ADVANCED_AI) && m_AIType != PET_AI_PASSIVE)
{
typedef std::vector<std::pair<ObjectGuid, uint32> > TargetSpellList;
TargetSpellList targetSpellStore;
for (uint8 i = 0; i < m_creature->GetPetAutoSpellSize(); ++i)
{
uint32 spellID = m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
if (m_creature->GetCharmInfo() && m_creature->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
continue;
if (m_creature->HasSpellCooldown(spellInfo))
continue;
// ignore some combinations of combat state and combat/noncombat spells
if (!inCombat)
{
// ignore attacking spells, and allow only self/around spells
if (!IsPositiveSpell(spellInfo->Id))
continue;
// non combat spells allowed
// only pet spells have IsNonCombatSpell and not fit this reqs:
// Consume Shadows, Lesser Invisibility, so ignore checks for its
if (!IsNonCombatSpell(spellInfo))
{
// allow only spell without spell cost or with spell cost but not duration limit
int32 duration = GetSpellDuration(spellInfo);
if ((spellInfo->manaCost || spellInfo->ManaCostPercentage || spellInfo->manaPerSecond) && duration > 0)
continue;
// allow only spell without cooldown > duration
int32 cooldown = GetSpellRecoveryTime(spellInfo);
if (cooldown >= 0 && duration >= 0 && cooldown > duration)
continue;
}
}
else
{
// just ignore non-combat spells
if (IsNonCombatSpell(spellInfo))
continue;
}
Unit* autoCastTarget = NULL;
if (inCombat && m_creature->getVictim() && !m_creature->hasUnitState(UNIT_STAT_FOLLOW))
{
SpellCastResult result = CanAutoCast(m_creature->getVictim(), spellInfo);
if (result == SPELL_CAST_OK || result == SPELL_FAILED_UNIT_NOT_INFRONT)
autoCastTarget = m_creature->getVictim();
}
if (!autoCastTarget)
{
for (GuidSet::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* target = m_creature->GetMap()->GetUnit(*tar);
// Only buff targets that are in combat, unless the spell can only be cast while out of combat
if (!target)
continue;
SpellCastResult result = CanAutoCast(target, spellInfo);
if (result == SPELL_CAST_OK || result == SPELL_FAILED_UNIT_NOT_INFRONT)
{
autoCastTarget = target;
break;
}
}
}
if (autoCastTarget)
targetSpellStore.push_back(TargetSpellList::value_type(autoCastTarget->GetObjectGuid(), spellInfo->Id));
}
// found units to cast on to
if (!targetSpellStore.empty())
{
uint32 index = urand(0, targetSpellStore.size() - 1);
if (Unit* target = m_creature->GetMap()->GetUnit(targetSpellStore[index].first))
m_creature->DoPetCastSpell(target, targetSpellStore[index].second);
}
}
else
{
AutoSpellList currentSpells;
switch (m_AIType)
{
case PET_AI_PASSIVE:
{
currentSpells.push_back(GetSpellType(PET_SPELL_BUFF));
break;
}
case PET_AI_SLACKER:
{
if (!IsInCombat())
break;
if (m_creature->IsCrowdControlled() || (owner && owner->IsCrowdControlled()))
currentSpells.push_back(GetSpellType(PET_SPELL_FREEACTION));
currentSpells.push_back(GetSpellType(PET_SPELL_DEFENCE));
currentSpells.push_back(GetSpellType(PET_SPELL_BUFF));
currentSpells.push_back(GetSpellType(PET_SPELL_DEBUFF));
currentSpells.push_back(GetSpellType(PET_SPELL_RANGED));
break;
}
case PET_AI_HEALER:
{
if (!IsInCombat())
break;
if (m_creature->IsCrowdControlled() || (owner && owner->IsCrowdControlled()))
currentSpells.push_back(GetSpellType(PET_SPELL_FREEACTION));
if (m_creature->GetHealth() < m_creature->GetMaxHealth() ||
(owner && (owner->GetHealth() < owner->GetMaxHealth())))
currentSpells.push_back(GetSpellType(PET_SPELL_HEAL));
currentSpells.push_back(GetSpellType(PET_SPELL_BUFF));
currentSpells.push_back(GetSpellType(PET_SPELL_RANGED));
break;
}
case PET_AI_RANGED:
{
if (!IsInCombat())
break;
if (m_creature->IsCrowdControlled() || (owner && owner->IsCrowdControlled()))
currentSpells.push_back(GetSpellType(PET_SPELL_FREEACTION));
currentSpells.push_back(GetSpellType(PET_SPELL_RANGED));
currentSpells.push_back(GetSpellType(PET_SPELL_DEBUFF));
currentSpells.push_back(GetSpellType(PET_SPELL_BUFF));
break;
}
case PET_AI_MELEE:
case PET_AI_RANGED_NOAMMO:
{
if (!IsInCombat())
break;
if (Unit* victim = m_creature->getVictim())
{
if (!victim->getVictim() || (victim->getVictim()->GetObjectGuid() != m_creature->GetObjectGuid()))
{
currentSpells.push_back(GetSpellType(PET_SPELL_ATTACKSTART));
currentSpells.push_back(GetSpellType(PET_SPELL_THREAT));
}
}
if (m_creature->IsCrowdControlled() || (owner && owner->IsCrowdControlled()))
currentSpells.push_back(GetSpellType(PET_SPELL_FREEACTION));
}
/* no break here!*/
default:
{
if (!IsInCombat())
break;
currentSpells.push_back(GetSpellType(PET_SPELL_MELEE));
currentSpells.push_back(GetSpellType(PET_SPELL_DEBUFF));
currentSpells.push_back(GetSpellType(PET_SPELL_RANGED));
currentSpells.push_back(GetSpellType(PET_SPELL_BUFF));
break;
}
}
if (!IsInCombat())
{
currentSpells.push_back(GetSpellType(PET_SPELL_NONCOMBAT));
if (m_creature->GetHealthPercent() < 95.0f)
currentSpells.push_back(GetSpellType(PET_SPELL_HEAL));
}
else
currentSpells.push_back(GetSpellType(PET_SPELL_SPECIAL));
for (AutoSpellList::const_iterator itr = currentSpells.begin(); itr != currentSpells.end(); ++itr)
{
uint32 spellID = *itr;
if (!spellID)
continue;
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
if (m_creature->GetCharmInfo() && m_creature->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
continue;
Unit* pTarget = m_creature->IsPet() ? ((Pet*)m_creature)->SelectPreferredTargetForSpell(spellInfo) :
((Creature*)m_creature)->SelectPreferredTargetForSpell(spellInfo);
bool b_castOk = false;
if (pTarget)
{
SpellCastResult result = CanAutoCast(pTarget, spellInfo);
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS,"PetAI::Update %s, AI %u try cast %u Target %s",
m_creature->GetGuidStr().c_str(),
m_AIType,
spellID,
pTarget ? pTarget->GetGuidStr().c_str() : "<none>");
switch (result)
{
case SPELL_FAILED_UNIT_NOT_INFRONT:
{
if (DoCastSpellIfCan(pTarget, spellID) == CAST_OK)
{
b_castOk = true;
m_creature->SetInFront(pTarget);
if (pTarget->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)pTarget);
}
break;
}
case SPELL_CAST_OK:
{
if (DoCastSpellIfCan(pTarget, spellID) == CAST_OK)
b_castOk = true;
break;
}
default:
{
Player* owner = (Player*)m_creature->GetOwner();
if (owner)
Spell::SendCastResult(owner,spellInfo,0,result, true);
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS,"PetAI::Update cast %s, AI %u Target %s spell %u result %u",
m_creature->GetGuidStr().c_str(),
m_AIType,
pTarget ? pTarget->GetGuidStr().c_str() : "<none>",
spellID,
result);
break;
}
}
}
else
continue;
if (b_castOk)
{
m_creature->AddSpellAndCategoryCooldowns(spellInfo);
if (m_creature->IsPet())
{
if(((Pet*)m_creature)->getPetType() == SUMMON_PET && (urand(0, 100) < 10))
m_creature->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
else
m_creature->SendPetAIReaction();
}
break;
}
}
}
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_creature->isAlive())
return;
Unit* owner = m_creature->GetCharmerOrOwner();
if (m_updateAlliesTimer <= diff)
// UpdateAllies self set update timer
UpdateAllies();
else
m_updateAlliesTimer -= diff;
// m_creature->getVictim() can't be used for check in case stop fighting, m_creature->getVictim() clear at Unit death etc.
if ( m_creature->getVictim() )
{
if ( _needToStop() )
{
DEBUG_LOG("Pet AI stoped attacking [guid=%u]", m_creature->GetGUIDLow());
_stopAttack();
return;
}
DoMeleeAttackIfReady();
}
else if (owner && m_creature->GetCharmInfo()) //no victim
{
Unit *nextTarget = SelectNextTarget();
if (nextTarget)
AttackStart(nextTarget);
else
HandleReturnMovement();
}
else if (owner && !m_creature->hasUnitState(UNIT_STAT_FOLLOW)) // no charm info and no victim
m_creature->GetMotionMaster()->MoveFollow(owner,PET_FOLLOW_DIST, m_creature->GetFollowAngle());
if (!me->GetCharmInfo())
return;
// Autocast (casted only in combat or persistent spells in any state)
if (m_creature->GetGlobalCooldown() == 0 && !m_creature->hasUnitState(UNIT_STAT_CASTING))
{
typedef std::vector<std::pair<Unit*, Spell*> > TargetSpellList;
TargetSpellList targetSpellStore;
for (uint8 i = 0; i < m_creature->GetPetAutoSpellSize(); ++i)
{
uint32 spellID = m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
// ignore some combinations of combat state and combat/noncombat spells
if (!me->getVictim())
{
// ignore attacking spells, and allow only self/around spells
if (!IsPositiveSpell(spellInfo->Id))
continue;
// non combat spells allowed
// only pet spells have IsNonCombatSpell and not fit this reqs:
// Consume Shadows, Lesser Invisibility, so ignore checks for its
if (!IsNonCombatSpell(spellInfo))
{
// allow only spell without spell cost or with spell cost but not duration limit
int32 duration = GetSpellDuration(spellInfo);
if ((spellInfo->manaCost || spellInfo->ManaCostPercentage || spellInfo->manaPerSecond) && duration > 0)
continue;
// allow only spell without cooldown > duration
int32 cooldown = GetSpellRecoveryTime(spellInfo);
if (cooldown >= 0 && duration >= 0 && cooldown > duration)
continue;
}
}
else
{
// just ignore non-combat spells
if (IsNonCombatSpell(spellInfo))
continue;
}
Spell *spell = new Spell(m_creature, spellInfo, false, 0);
// Fix to allow pets on STAY to autocast
if (me->getVictim() && _CanAttack(me->getVictim()) && spell->CanAutoCast(me->getVictim()))
{
targetSpellStore.push_back(std::make_pair<Unit*, Spell*>(m_creature->getVictim(), spell));
continue;
}
else
{
bool spellUsed = false;
for (std::set<uint64>::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* Target = ObjectAccessor::GetUnit(*m_creature,*tar);
//only buff targets that are in combat, unless the spell can only be cast while out of combat
if (!Target)
continue;
if (spell->CanAutoCast(Target))
{
targetSpellStore.push_back(std::make_pair<Unit*, Spell*>(Target, spell));
spellUsed = true;
break;
}
}
if (!spellUsed)
delete spell;
}
}
//found units to cast on to
if (!targetSpellStore.empty())
{
uint32 index = urand(0, targetSpellStore.size() - 1);
Spell* spell = targetSpellStore[index].second;
Unit* target = targetSpellStore[index].first;
targetSpellStore.erase(targetSpellStore.begin() + index);
SpellCastTargets targets;
targets.setUnitTarget( target );
if ( !m_creature->HasInArc(M_PI, target) )
{
m_creature->SetInFront(target);
if (target && target->GetTypeId() == TYPEID_PLAYER)
m_creature->SendUpdateToPlayer(target->ToPlayer());
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
m_creature->SendUpdateToPlayer(owner->ToPlayer());
}
m_creature->AddCreatureSpellCooldown(spell->m_spellInfo->Id);
spell->prepare(&targets);
}
// deleted cached Spell objects
for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
delete itr->second;
}
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_creature->isAlive())
return;
Unit* owner = m_creature->GetCharmerOrOwner();
if(m_updateAlliesTimer <= diff)
// UpdateAllies self set update timer
UpdateAllies();
else
m_updateAlliesTimer -= diff;
if (inCombat && !m_creature->getVictim())
_stopAttack();
// i_pet.getVictim() can't be used for check in case stop fighting, i_pet.getVictim() clear at Unit death etc.
if (m_creature->getVictim())
{
if (_needToStop())
{
DEBUG_LOG("Pet AI stoped attacking [guid=%u]", m_creature->GetGUIDLow());
_stopAttack();
return;
}
else if (m_creature->IsStopped() || m_creature->IsWithinDistInMap(m_creature->getVictim(), ATTACK_DISTANCE))
{
// required to be stopped cases
if (m_creature->IsStopped() && m_creature->IsNonMeleeSpellCasted(false))
{
if (m_creature->hasUnitState(UNIT_STAT_FOLLOW))
m_creature->InterruptNonMeleeSpells(false);
else
return;
}
// not required to be stopped case
else if (m_creature->isAttackReady() && m_creature->canReachWithAttack(m_creature->getVictim()))
{
m_creature->AttackerStateUpdate(m_creature->getVictim());
m_creature->resetAttackTimer();
if (!m_creature->getVictim())
return;
//if pet misses its target, it will also be the first in threat list
m_creature->getVictim()->AddThreat(m_creature,0.0f);
if( _needToStop() )
_stopAttack();
}
}
}
else if (owner && m_creature->GetCharmInfo())
{
if (owner->isInCombat() && !(m_creature->GetCharmInfo()->HasReactState(REACT_PASSIVE) || m_creature->GetCharmInfo()->HasCommandState(COMMAND_STAY)))
{
AttackStart(owner->getAttackerForHelper());
}
else if(m_creature->GetCharmInfo()->HasCommandState(COMMAND_FOLLOW))
{
if (!m_creature->hasUnitState(UNIT_STAT_FOLLOW) )
{
m_creature->GetMotionMaster()->MoveFollow(owner,PET_FOLLOW_DIST,PET_FOLLOW_ANGLE);
}
}
}
if (m_creature->GetGlobalCooldown() == 0 && !m_creature->IsNonMeleeSpellCasted(false))
{
//Autocast
for (uint8 i = 0; i < m_creature->GetPetAutoSpellSize(); i++)
{
uint32 spellID = m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
// ignore some combinations of combat state and combat/noncombat spells
if (!inCombat)
{
if (!IsPositiveSpell(spellInfo->Id))
continue;
}
else
{
if (IsNonCombatSpell(spellInfo))
continue;
}
Spell *spell = new Spell(m_creature, spellInfo, false, 0);
if (inCombat && !m_creature->hasUnitState(UNIT_STAT_FOLLOW) && spell->CanAutoCast(m_creature->getVictim()))
{
m_targetSpellStore.push_back(std::make_pair<Unit*, Spell*>(m_creature->getVictim(), spell));
continue;
}
else
{
bool spellUsed = false;
for(std::set<uint64>::iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* Target = ObjectAccessor::GetUnit(*m_creature,*tar);
//only buff targets that are in combat, unless the spell can only be cast while out of combat
if(!Target)
continue;
if(spell->CanAutoCast(Target))
{
m_targetSpellStore.push_back(std::make_pair<Unit*, Spell*>(Target, spell));
spellUsed = true;
break;
}
}
if (!spellUsed)
delete spell;
}
}
//found units to cast on to
if (!m_targetSpellStore.empty())
{
uint32 index = urand(0, m_targetSpellStore.size() - 1);
Spell* spell = m_targetSpellStore[index].second;
Unit* target = m_targetSpellStore[index].first;
m_targetSpellStore.erase(m_targetSpellStore.begin() + index);
SpellCastTargets targets;
targets.setUnitTarget( target );
if (!m_creature->HasInArc(M_PI, target))
{
m_creature->SetInFront(target);
if (target->GetTypeId() == TYPEID_PLAYER)
m_creature->SendUpdateToPlayer((Player*)target);
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
m_creature->SendUpdateToPlayer( (Player*)owner );
}
m_creature->AddCreatureSpellCooldown(spell->m_spellInfo->Id);
if (m_creature->isPet())
((Pet*)m_creature)->CheckLearning(spell->m_spellInfo->Id);
spell->prepare(&targets);
}
while (!m_targetSpellStore.empty())
{
delete m_targetSpellStore.begin()->second;
m_targetSpellStore.erase(m_targetSpellStore.begin());
}
}
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
// TODO: add targets.read() check
CHECK_PACKET_SIZE(recvPacket,1+1+1+4+8+4+1);
Player* pUser = _player;
uint8 bagIndex, slot;
uint8 unk_flags; // flags (if 0x02 - some additional data are received)
uint8 cast_count; // next cast if exists (single or not)
uint64 item_guid;
uint32 glyphIndex; // something to do with glyphs?
uint32 spellid; // casted spell id
recvPacket >> bagIndex >> slot >> cast_count >> spellid >> item_guid >> glyphIndex >> unk_flags;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if(!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if(pItem->GetGUID() != item_guid)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, cast_count: %u, spellid: %u, Item: %u, glyphIndex: %u, unk_flags: %u, data length = %i", bagIndex, slot, cast_count, spellid, pItem->GetEntry(), glyphIndex, unk_flags, recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if(!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// some item classes can be used only in equipped state
if(proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if( msg != EQUIP_ERR_OK )
{
pUser->SendEquipError( msg, pItem, NULL );
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if( proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAGS_USEABLE_IN_ARENA) &&
pUser->InArena())
{
pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH,pItem,NULL);
return;
}
if (pUser->isInCombat())
{
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (SpellEntry const *spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if( pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM )
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding( true );
}
}
SpellCastTargets targets;
if(!targets.read(&recvPacket, pUser))
return;
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if(!Script->ItemUse(pUser,pItem,targets))
{
// no script or script not process request by self
pUser->CastItemUseSpell(pItem,targets,cast_count,glyphIndex);
}
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
uint8 bagIndex, slot;
uint8 cast_flags; // flags (if 0x02 - some additional data are received)
uint8 cast_count; // next cast if exists (single or not)
ObjectGuid itemGuid;
uint32 glyphIndex; // something to do with glyphs?
uint32 spellid; // casted spell id
recvPacket >> bagIndex >> slot >> cast_count >> spellid >> itemGuid >> glyphIndex >> cast_flags;
// TODO: add targets.read() check
Player* pUser = _player;
// ignore for remote control state
if (!pUser->IsSelfMover())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
return;
}
// reject fake data
if (glyphIndex >= MAX_GLYPH_SLOT_INDEX)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, nullptr, nullptr);
return;
}
Item* pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, nullptr, nullptr);
return;
}
if (pItem->GetObjectGuid() != itemGuid)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, nullptr, nullptr);
return;
}
DETAIL_LOG("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, cast_count: %u, spellid: %u, Item: %u, glyphIndex: %u, unk_flags: %u, data length = %u", bagIndex, slot, cast_count, spellid, pItem->GetEntry(), glyphIndex, cast_flags, (uint32)recvPacket.size());
ItemPrototype const* proto = pItem->GetProto();
if (!proto)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, nullptr);
return;
}
// some item classes can be used only in equipped state
if (proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, nullptr);
return;
}
InventoryResult msg = pUser->CanUseItem(pItem);
if (msg != EQUIP_ERR_OK)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(msg, pItem, nullptr);
return;
}
// not allow use item from trade (cheat way only)
if (pItem->IsInTrade())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, nullptr);
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if (proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAG_IGNORE_DEFAULT_ARENA_RESTRICTIONS) &&
pUser->InArena())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH, pItem, nullptr);
return;
}
if (pUser->isInCombat())
{
for (const auto& Spell : proto->Spells)
{
if (SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(Spell.SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT, pItem, nullptr);
return;
}
}
}
// Prevent potion drink if another potion in processing (client have potions disabled in like case)
if (pItem->IsPotion() && pUser->GetLastPotionId())
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at not read packet tail
pUser->SendEquipError(EQUIP_ERR_OBJECT_IS_BUSY, pItem, nullptr);
return;
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if (pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM)
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding(true);
}
}
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pUser);
// some spell cast packet including more data (for projectiles)
targets.ReadAdditionalSpellData(recvPacket, cast_flags);
targets.Update(pUser);
if (!pItem->IsTargetValidForItemUse(targets.getUnitTarget()))
{
// free gray item after use fail
pUser->SendEquipError(EQUIP_ERR_NONE, pItem, nullptr);
// send spell error
if (SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spellid))
{
// for implicit area/coord target spells
if (IsPointEffectTarget(Targets(spellInfo->EffectImplicitTargetA[EFFECT_INDEX_0])) ||
IsAreaEffectTarget(Targets(spellInfo->EffectImplicitTargetA[EFFECT_INDEX_0])))
Spell::SendCastResult(_player, spellInfo, cast_count, SPELL_FAILED_NO_VALID_TARGETS);
// for explicit target spells
else
Spell::SendCastResult(_player, spellInfo, cast_count, SPELL_FAILED_BAD_TARGETS);
}
return;
}
// Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if (!sScriptDevAIMgr.OnItemUse(pUser, pItem, targets))
{
// no script or script not process request by self
pUser->CastItemUseSpell(pItem, targets, cast_count, glyphIndex);
}
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_creature->isAlive())
return;
Unit* owner = m_creature->GetCharmerOrOwner();
Unit* victim = m_creature->getVictim();
if (m_updateAlliesTimer <= diff)
// UpdateAllies self set update timer
UpdateAllies();
else
m_updateAlliesTimer -= diff;
if (inCombat && (!victim || (m_creature->IsPet() && ((Pet*)m_creature)->GetModeFlags() & PET_MODE_DISABLE_ACTIONS)))
_stopAttack();
if (((Pet*)m_creature)->GetIsRetreating())
{
if (!owner->_IsWithinDist(m_creature, (PET_FOLLOW_DIST * 2), true))
{
if (!m_creature->hasUnitState(UNIT_STAT_FOLLOW))
m_creature->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
return;
}
else
((Pet*)m_creature)->SetIsRetreating();
}
else if (((Pet*)m_creature)->GetSpellOpener() != 0) // have opener stored
{
uint32 minRange = ((Pet*)m_creature)->GetSpellOpenerMinRange();
if (!(victim = m_creature->getVictim())
|| (minRange != 0 && m_creature->IsWithinDistInMap(victim, minRange)))
((Pet*)m_creature)->SetSpellOpener();
else if (m_creature->IsWithinDistInMap(victim, ((Pet*)m_creature)->GetSpellOpenerMaxRange()) && m_creature->IsWithinLOSInMap(victim))
{
// stop moving
m_creature->clearUnitState(UNIT_STAT_MOVING);
// auto turn to target
m_creature->SetInFront(victim);
if (victim->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)victim);
if (owner->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)owner);
uint32 spell_id = ((Pet*)m_creature)->GetSpellOpener();
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spell_id);
Spell* spell = new Spell(m_creature, spellInfo, false);
SpellCastResult result = spell->CheckPetCast(victim);
if (result == SPELL_CAST_OK)
{
m_creature->AddCreatureSpellCooldown(spell_id);
spell->SpellStart(&(spell->m_targets));
}
else
delete spell;
((Pet*)m_creature)->SetSpellOpener();
}
else
return;
}
// Autocast (casted only in combat or persistent spells in any state)
else if (!m_creature->IsNonMeleeSpellCasted(false))
{
typedef std::vector<std::pair<Unit*, Spell*> > TargetSpellList;
TargetSpellList targetSpellStore;
for (uint8 i = 0; i < m_creature->GetPetAutoSpellSize(); ++i)
{
uint32 spellID = m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
if (m_creature->GetCharmInfo() && m_creature->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
continue;
// ignore some combinations of combat state and combat/noncombat spells
if (!inCombat)
{
// ignore attacking spells, and allow only self/around spells
if (!IsPositiveSpell(spellInfo->Id))
continue;
// non combat spells allowed
// only pet spells have IsNonCombatSpell and not fit this reqs:
// Consume Shadows, Lesser Invisibility, so ignore checks for its
if (!IsNonCombatSpell(spellInfo))
{
int32 duration = GetSpellDuration(spellInfo);
int32 cooldown = GetSpellRecoveryTime(spellInfo);
// allow only spell not on cooldown
if (cooldown != 0 && duration < cooldown)
continue;
// not allow instant kill autocasts as full health cost
if (IsSpellHaveEffect(spellInfo, SPELL_EFFECT_INSTAKILL))
continue;
}
}
// just ignore non-combat spells
else if (IsNonCombatSpell(spellInfo))
continue;
Spell* spell = new Spell(m_creature, spellInfo, false);
if (inCombat && !m_creature->hasUnitState(UNIT_STAT_FOLLOW) && spell->CanAutoCast(m_creature->getVictim()))
{
targetSpellStore.push_back(TargetSpellList::value_type(m_creature->getVictim(), spell));
continue;
}
else
{
bool spellUsed = false;
for (GuidSet::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* Target = m_creature->GetMap()->GetUnit(*tar);
// only buff targets that are in combat, unless the spell can only be cast while out of combat
if (!Target)
continue;
if (spell->CanAutoCast(Target))
{
targetSpellStore.push_back(TargetSpellList::value_type(Target, spell));
spellUsed = true;
break;
}
}
if (!spellUsed)
delete spell;
}
}
// found units to cast on to
if (!targetSpellStore.empty())
{
uint32 index = urand(0, targetSpellStore.size() - 1);
Spell* spell = targetSpellStore[index].second;
Unit* target = targetSpellStore[index].first;
targetSpellStore.erase(targetSpellStore.begin() + index);
SpellCastTargets targets;
targets.setUnitTarget(target);
if (!m_creature->HasInArc(M_PI_F, target))
{
m_creature->SetInFront(target);
if (target->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)target);
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)owner);
}
m_creature->AddCreatureSpellCooldown(spell->m_spellInfo->Id);
if (m_creature->IsPet())
((Pet*)m_creature)->CheckLearning(spell->m_spellInfo->Id);
spell->SpellStart(&targets);
}
// deleted cached Spell objects
for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
delete itr->second;
}
else if (m_creature->hasUnitState(UNIT_STAT_FOLLOW_MOVE))
m_creature->InterruptNonMeleeSpells(false);
if (victim = m_creature->getVictim())
{
// i_pet.getVictim() can't be used for check in case stop fighting, i_pet.getVictim() clear at Unit death etc.
if (_needToStop())
{
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "PetAI (guid = %u) is stopping attack.", m_creature->GetGUIDLow());
_stopAttack();
return;
}
// required to be stopped cases
if (m_creature->IsStopped() && m_creature->IsNonMeleeSpellCasted(false))
{
if (m_creature->hasUnitState(UNIT_STAT_FOLLOW_MOVE))
m_creature->InterruptNonMeleeSpells(false);
}
else if (m_creature->CanReachWithMeleeAttack(victim))
{
if (DoMeleeAttackIfReady())
// if pet misses its target, it will also be the first in threat list
victim->AddThreat(m_creature);
else
AttackStart(victim);
}
}
else if (owner && m_creature->GetCharmInfo())
{
if (owner->isInCombat() && !(m_creature->GetCharmInfo()->HasReactState(REACT_PASSIVE) || m_creature->GetCharmInfo()->HasCommandState(COMMAND_STAY)))
{
AttackStart(owner->getAttackerForHelper());
}
else if (m_creature->GetCharmInfo()->HasCommandState(COMMAND_FOLLOW))
{
// The distance is to prevent the pet from running around to reach the owners back when walking towards it
// and the reason for increasing it more than the follow distance is to prevent the same thing
// from happening when the owner turns and twists (as this increases the distance between them)
if (!m_creature->hasUnitState(UNIT_STAT_FOLLOW) && !owner->IsWithinDistInMap(m_creature, (PET_FOLLOW_DIST * 2)))
m_creature->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
// This is to stop the pet from following you when you're close to each other, to support the above condition.
else if (m_creature->hasUnitState(UNIT_STAT_FOLLOW))
{
m_creature->GetMotionMaster()->Clear(false);
m_creature->GetMotionMaster()->MoveIdle();
}
}
}
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_creature->isAlive() || !m_creature->GetCharmInfo())
return;
Unit* owner = m_creature->GetCharmerOrOwner();
if (m_updateAlliesTimer <= diff)
// UpdateAllies self set update timer
UpdateAllies();
else
m_updateAlliesTimer -= diff;
// First checking if we have some taunt on us
Unit* tauntTarget = NULL;
const Unit::AuraList& tauntAuras = m_creature->GetAurasByType(SPELL_AURA_MOD_TAUNT);
if (!tauntAuras.empty())
{
Unit* caster = NULL;
// Auras are pushed_back, last caster will be on the end
Unit::AuraList::const_iterator aura = tauntAuras.end();
while (aura != tauntAuras.begin())
{
--aura;
caster = (*aura)->GetCaster();
if (caster && caster->isTargetableForAttack())
{
tauntTarget = caster;
break;
}
}
if (tauntTarget)
DoAttack(tauntTarget, true);
}
if (m_creature->getVictim() && m_creature->getVictim()->isAlive())
{
if (_needToStop())
{
_stopAttack();
return;
}
if (hasMelee)
{
// Check before attacking to prevent pets from leaving stay position
bool attacked = false;
if (m_creature->GetCharmInfo()->HasCommandState(COMMAND_STAY))
{
if (m_creature->GetCharmInfo()->IsCommandAttack() || (m_creature->GetCharmInfo()->IsAtStay() && m_creature->CanReachWithMeleeAttack(m_creature->getVictim())))
attacked = DoMeleeAttackIfReady();
}
else
attacked = DoMeleeAttackIfReady();
if (attacked && owner)
if (Unit* v = m_creature->getVictim()) // Victim may have died between
owner->SetInCombatWith(v);
}
}
else
{
if (m_creature->HasReactState(REACT_AGGRESSIVE) || m_creature->GetCharmInfo()->IsAtStay())
{
// Every update we need to check targets only in certain cases
// Aggressive - Allow auto select if owner or pet don't have a target
// Stay - Only pick from pet or owner targets / attackers so targets won't run by
// while chasing our owner. Don't do auto select.
// All other cases (ie: defensive) - Targets are assigned by AttackedBy(), OwnerAttackedBy(), OwnerAttacked(), etc.
Unit* nextTarget = SelectNextTarget(m_creature->HasReactState(REACT_AGGRESSIVE));
if (nextTarget)
AttackStart(nextTarget);
else
HandleReturnMovement();
}
else
HandleReturnMovement();
}
// Autocast (casted only in combat or persistent spells in any state)
if (!m_creature->IsNonMeleeSpellCasted(false))
{
typedef std::vector<std::pair<Unit*, Spell*> > TargetSpellList;
TargetSpellList targetSpellStore;
for (uint8 i = 0; i < m_creature->GetPetAutoSpellSize(); ++i)
{
uint32 spellID = m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const *spellInfo = sSpellMgr.GetSpellEntry(spellID);
if (!spellInfo)
continue;
if (m_creature->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
continue;
// check spell cooldown
if (m_creature->HasSpellCooldown(spellInfo->Id))
continue;
if (IsPositiveSpell(spellInfo->Id))
{
if (!IsNonCombatSpell(spellInfo)) // Can be used in combat.
{
/*
Spells handled here:
Dash (1850), Dive (23145), Furious Howl (24604), Tainted Blood (19478)
Blood Pact (6307), Fire Shield (11771), Sacrifice ...
Consume Shadows (17767)
*/
// Warlock Sacrifice: do not auto cast if not in combat
bool castOnlyInCombat = IsSpellHaveEffect(spellInfo, SPELL_EFFECT_INSTAKILL);
if (!castOnlyInCombat)
{
int32 duration = GetSpellDuration(spellInfo);
int32 cooldown = GetSpellRecoveryTime(spellInfo);
// Keep this spell for when we will be in combat.
if (cooldown >= 0 && duration >= 0 && cooldown > duration)
castOnlyInCombat = true;
}
// 19478 - Tainted Blood, rank 1 enUS
if (spellInfo->SpellIconID == 153)
castOnlyInCombat = true;
// 2947 - Fire Shield, rank 1 enUS
// When set to auto-cast, the Imp will cast this on any party members within 30 yds if they receive a melee attack.
if (spellInfo->IsFitToFamily<SPELLFAMILY_WARLOCK, CF_WARLOCK_IMP_BUFFS>() && spellInfo->SpellVisual == 289)
castOnlyInCombat = false;
// Furious Howl: in combat only
if (IsSpellHaveAura(spellInfo, SPELL_AURA_MOD_DAMAGE_DONE))
castOnlyInCombat = true;
if (castOnlyInCombat && !m_creature->getVictim())
continue;
}
Spell *spell = new Spell(m_creature, spellInfo, false);
bool spellUsed = false;
// Some spells can target enemy or friendly (DK Ghoul's Leap)
// Check for enemy first (pet then owner)
Unit* target = m_creature->getAttackerForHelper();
if (!target && owner)
target = owner->getAttackerForHelper();
if (target)
{
if (CanAttack(target) && spell->CanAutoCast(target))
{
targetSpellStore.push_back(std::make_pair(target, spell));
spellUsed = true;
}
}
// No enemy, check friendly
if (!spellUsed)
{
for (std::set<uint64>::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* ally = m_creature->GetMap()->GetUnit(*tar);
//only buff targets that are in combat, unless the spell can only be cast while out of combat
if (!ally)
continue;
if (spell->CanAutoCast(ally))
{
targetSpellStore.push_back(std::make_pair(ally, spell));
spellUsed = true;
break;
}
}
}
// No valid targets at all
if (!spellUsed)
spell->Delete();
}
else if (m_creature->getVictim() && CanAttack(m_creature->getVictim()) && !IsNonCombatSpell(spellInfo))
{
Spell *spell = new Spell(m_creature, spellInfo, false);
if (spell->CanAutoCast(m_creature->getVictim()))
targetSpellStore.push_back(std::make_pair(m_creature->getVictim(), spell));
else
spell->Delete();
}
}
//found units to cast on to
if (!targetSpellStore.empty())
{
uint32 index = urand(0, targetSpellStore.size() - 1);
Spell* spell = targetSpellStore[index].second;
Unit* target = targetSpellStore[index].first;
targetSpellStore.erase(targetSpellStore.begin() + index);
SpellCastTargets targets;
targets.setUnitTarget(target);
if (!m_creature->HasInArc(M_PI_F, target))
{
m_creature->SetInFront(target);
if (target->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)target);
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)owner);
}
if (((Creature*)m_creature)->IsPet())
((Pet*)m_creature)->CheckLearning(spell->m_spellInfo->Id);
// 10% chance to play special pet attack talk, else growl
// actually this only seems to happen on special spells, fire shield for imp, torment for voidwalker, but it's stupid to check every spell
if (((Creature*)m_creature)->IsPet() && (((Pet*)m_creature)->getPetType() == SUMMON_PET) && (m_creature != target) && (urand(0, 100) < 10))
m_creature->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
else
m_creature->SendPetAIReaction();
spell->prepare(&targets);
}
// deleted cached Spell objects
for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
itr->second->Delete();
}
// Update speed as needed to prevent dropping too far behind and despawning
m_creature->UpdateSpeed(MOVE_RUN, true);
m_creature->UpdateSpeed(MOVE_WALK, true);
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
// TODO: add targets.read() check
CHECK_PACKET_SIZE(recvPacket,1+1+1);
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, data length = %i",recvPacket.size());
Player* pUser = _player;
uint8 bagIndex, slot, tmp3;
recvPacket >> bagIndex >> slot >> tmp3;
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if(!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
ItemPrototype const *proto = pItem->GetProto();
if(!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if( msg != EQUIP_ERR_OK )
{
pUser->SendEquipError( msg, pItem, NULL );
return;
}
if (pUser->isInCombat())
{
for(int i = 0; i <5; ++i)
{
if (IsNonCombatSpell(proto->Spells[i].SpellId))
{
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
// check also BIND_WHEN_PICKED_UP for .additem or .additemset case by GM (not binded at adding to inventory)
if( pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP)
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding( true );
}
}
SpellCastTargets targets;
if(!targets.read(&recvPacket, pUser))
return;
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if(!Script->ItemUse(pUser,pItem,targets))
{
// no script or script not process request by self
// use triggered flag only for items with many spell casts and for not first cast
int count = 0;
for(int i = 0; i <5; ++i)
{
_Spell const& spellData = pItem->GetProto()->Spells[i];
// no spell
if(!spellData.SpellId)
continue;
// wrong triggering type
if( spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_USE && spellData.SpellTrigger != ITEM_SPELLTRIGGER_ON_NO_DELAY_USE)
continue;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellData.SpellId);
if(!spellInfo)
{
sLog.outError("Item (Entry: %u) in have wrong spell id %u, ignoring ",proto->ItemId, spellData.SpellId);
continue;
}
Spell *spell = new Spell(pUser, spellInfo, (count > 0) , 0);
spell->m_CastItem = pItem;
spell->prepare(&targets);
++count;
}
}
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_creature->isAlive())
return;
Unit* owner = m_creature->GetCharmerOrOwner();
if (m_updateAlliesTimer <= diff)
// UpdateAllies self set update timer
UpdateAllies();
else
m_updateAlliesTimer -= diff;
if (inCombat && (!m_creature->getVictim() || (m_creature->IsPet() && ((Pet*)m_creature)->GetModeFlags() & PET_MODE_DISABLE_ACTIONS)))
_stopAttack();
// i_pet.getVictim() can't be used for check in case stop fighting, i_pet.getVictim() clear at Unit death etc.
if (m_creature->getVictim())
{
if (_needToStop())
{
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "PetAI (guid = %u) is stopping attack.", m_creature->GetGUIDLow());
_stopAttack();
return;
}
bool meleeReach = m_creature->CanReachWithMeleeAttack(m_creature->getVictim());
if (m_creature->IsStopped() || meleeReach)
{
// required to be stopped cases
if (m_creature->IsStopped() && m_creature->IsNonMeleeSpellCasted(false))
{
if (m_creature->hasUnitState(UNIT_STAT_FOLLOW_MOVE))
m_creature->InterruptNonMeleeSpells(false);
else
return;
}
// not required to be stopped case
else if (DoMeleeAttackIfReady())
{
if (!m_creature->getVictim())
return;
// if pet misses its target, it will also be the first in threat list
m_creature->getVictim()->AddThreat(m_creature);
if (_needToStop())
_stopAttack();
}
}
}
else if (owner && m_creature->GetCharmInfo())
{
if (owner->isInCombat() && !(m_creature->GetCharmInfo()->HasReactState(REACT_PASSIVE) || m_creature->GetCharmInfo()->HasCommandState(COMMAND_STAY)))
{
AttackStart(owner->getAttackerForHelper());
}
else if (m_creature->GetCharmInfo()->HasCommandState(COMMAND_FOLLOW))
{
if (!m_creature->hasUnitState(UNIT_STAT_FOLLOW))
{
m_creature->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
}
}
}
// Autocast (casted only in combat or persistent spells in any state)
if (!m_creature->IsNonMeleeSpellCasted(false))
{
typedef std::vector<std::pair<Unit*, Spell*> > TargetSpellList;
TargetSpellList targetSpellStore;
for (uint8 i = 0; i < m_creature->GetPetAutoSpellSize(); ++i)
{
uint32 spellID = m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
if (m_creature->GetCharmInfo() && m_creature->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
continue;
// ignore some combinations of combat state and combat/noncombat spells
if (!inCombat)
{
// ignore attacking spells, and allow only self/around spells
if (!IsPositiveSpell(spellInfo->Id))
continue;
// non combat spells allowed
// only pet spells have IsNonCombatSpell and not fit this reqs:
// Consume Shadows, Lesser Invisibility, so ignore checks for its
if (!IsNonCombatSpell(spellInfo))
{
// allow only spell without spell cost or with spell cost but not duration limit
int32 duration = GetSpellDuration(spellInfo);
SpellPowerEntry const* spellPower = spellInfo->GetSpellPower();
if (spellPower && (spellPower->manaCost || spellPower->ManaCostPercentage || spellPower->manaPerSecond) && duration > 0)
continue;
// allow only spell without cooldown > duration
int32 cooldown = GetSpellRecoveryTime(spellInfo);
if (cooldown >= 0 && duration >= 0 && cooldown > duration)
continue;
}
}
else
{
// just ignore non-combat spells
if (IsNonCombatSpell(spellInfo))
continue;
}
Spell* spell = new Spell(m_creature, spellInfo, false);
if (inCombat && !m_creature->hasUnitState(UNIT_STAT_FOLLOW) && spell->CanAutoCast(m_creature->getVictim()))
{
targetSpellStore.push_back(TargetSpellList::value_type(m_creature->getVictim(), spell));
continue;
}
else
{
bool spellUsed = false;
for (GuidSet::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* Target = m_creature->GetMap()->GetUnit(*tar);
// only buff targets that are in combat, unless the spell can only be cast while out of combat
if (!Target)
continue;
if (spell->CanAutoCast(Target))
{
targetSpellStore.push_back(TargetSpellList::value_type(Target, spell));
spellUsed = true;
break;
}
}
if (!spellUsed)
delete spell;
}
}
// found units to cast on to
if (!targetSpellStore.empty())
{
uint32 index = urand(0, targetSpellStore.size() - 1);
Spell* spell = targetSpellStore[index].second;
Unit* target = targetSpellStore[index].first;
targetSpellStore.erase(targetSpellStore.begin() + index);
SpellCastTargets targets;
targets.setUnitTarget(target);
if (!m_creature->HasInArc(M_PI_F, target))
{
m_creature->SetInFront(target);
if (target->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)target);
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
m_creature->SendCreateUpdateToPlayer((Player*)owner);
}
m_creature->AddCreatureSpellCooldown(spell->m_spellInfo->Id);
spell->prepare(&targets);
}
// deleted cached Spell objects
for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
delete itr->second;
}
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_unit->isAlive())
return;
Creature* creature = (m_unit->GetTypeId() == TYPEID_UNIT) ? static_cast<Creature*>(m_unit) : nullptr;
Pet* pet = (creature && creature->IsPet()) ? static_cast<Pet*>(m_unit) : nullptr;
Unit* owner = m_unit->GetMaster();
if (!owner)
return;
Unit* victim = (pet && pet->GetModeFlags() & PET_MODE_DISABLE_ACTIONS) ? nullptr : m_unit->getVictim();
if (m_updateAlliesTimer <= diff)
// UpdateAllies self set update timer
UpdateAllies();
else
m_updateAlliesTimer -= diff;
if (inCombat && !victim)
{
m_unit->AttackStop(true, true);
inCombat = false;
}
CharmInfo* charminfo = m_unit->GetCharmInfo();
MANGOS_ASSERT(charminfo);
if (charminfo->GetIsRetreating())
{
if (!owner->IsWithinDistInMap(m_unit, (PET_FOLLOW_DIST * 2)))
{
if (!m_unit->hasUnitState(UNIT_STAT_FOLLOW))
m_unit->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
return;
}
else
charminfo->SetIsRetreating();
}
else if (charminfo->GetSpellOpener() != 0) // have opener stored
{
uint32 minRange = charminfo->GetSpellOpenerMinRange();
if (!(victim = m_unit->getVictim())
|| (minRange != 0 && m_unit->IsWithinDistInMap(victim, minRange)))
charminfo->SetSpellOpener();
else if (m_unit->IsWithinDistInMap(victim, charminfo->GetSpellOpenerMaxRange())
&& m_unit->IsWithinLOSInMap(victim))
{
// stop moving
m_unit->clearUnitState(UNIT_STAT_MOVING);
// auto turn to target
m_unit->SetInFront(victim);
if (victim->GetTypeId() == TYPEID_PLAYER)
m_unit->SendCreateUpdateToPlayer((Player*)victim);
if (owner->GetTypeId() == TYPEID_PLAYER)
m_unit->SendCreateUpdateToPlayer((Player*)owner);
uint32 spell_id = charminfo->GetSpellOpener();
SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spell_id);
Spell* spell = new Spell(m_unit, spellInfo, false);
SpellCastResult result = spell->CheckPetCast(victim);
if (result == SPELL_CAST_OK)
spell->SpellStart(&(spell->m_targets));
else
delete spell;
charminfo->SetSpellOpener();
}
else
return;
}
// Auto cast (casted only in combat or persistent spells in any state)
else if (!m_unit->IsNonMeleeSpellCasted(false))
{
typedef std::vector<std::pair<Unit*, Spell*> > TargetSpellList;
TargetSpellList targetSpellStore;
if (pet)
{
for (uint8 i = 0; i < pet->GetPetAutoSpellSize(); ++i)
{
uint32 spellID = pet->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spellID);
if (!spellInfo)
continue;
if (!m_unit->IsSpellReady(*spellInfo))
continue;
// ignore some combinations of combat state and combat/non combat spells
if (!inCombat)
{
// ignore attacking spells, and allow only self/around spells
if (!IsPositiveSpell(spellInfo->Id))
continue;
// non combat spells allowed
// only pet spells have IsNonCombatSpell and not fit this requirements:
// Consume Shadows, Lesser Invisibility, so ignore checks for its
if (!IsNonCombatSpell(spellInfo))
{
int32 duration = GetSpellDuration(spellInfo);
int32 cooldown = GetSpellRecoveryTime(spellInfo);
// allow only spell not on cooldown
if (cooldown != 0 && duration < cooldown)
continue;
// not allow instant kill auto casts as full health cost
if (IsSpellHaveEffect(spellInfo, SPELL_EFFECT_INSTAKILL))
continue;
}
}
// just ignore non-combat spells
else if (IsNonCombatSpell(spellInfo))
continue;
Spell* spell = new Spell(m_unit, spellInfo, false);
if (inCombat && !m_unit->hasUnitState(UNIT_STAT_FOLLOW) && spell->CanAutoCast(victim))
{
targetSpellStore.push_back(TargetSpellList::value_type(victim, spell));
continue;
}
else
{
bool spellUsed = false;
for (GuidSet::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* Target = m_unit->GetMap()->GetUnit(*tar);
// only buff targets that are in combat, unless the spell can only be cast while out of combat
if (!Target)
continue;
if (spell->CanAutoCast(Target))
{
targetSpellStore.push_back(TargetSpellList::value_type(Target, spell));
spellUsed = true;
break;
}
}
if (!spellUsed)
delete spell;
}
}
}
// found units to cast on to
if (!targetSpellStore.empty())
{
uint32 index = urand(0, targetSpellStore.size() - 1);
Spell* spell = targetSpellStore[index].second;
Unit* target = targetSpellStore[index].first;
targetSpellStore.erase(targetSpellStore.begin() + index);
SpellCastTargets targets;
targets.setUnitTarget(target);
if (!m_unit->HasInArc(M_PI_F, target))
{
m_unit->SetInFront(target);
if (target->GetTypeId() == TYPEID_PLAYER)
m_unit->SendCreateUpdateToPlayer((Player*)target);
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
m_unit->SendCreateUpdateToPlayer((Player*)owner);
}
spell->SpellStart(&targets);
}
// deleted cached Spell objects
for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
delete itr->second;
}
// Stop here if casting spell (No melee and no movement)
if (m_unit->IsNonMeleeSpellCasted(false))
return;
// we may get our actions disabled during spell casting, so do entire recheck for victim
victim = (pet && pet->GetModeFlags() & PET_MODE_DISABLE_ACTIONS) ? nullptr : m_unit->getVictim();
if (victim)
{
// i_pet.getVictim() can't be used for check in case stop fighting, i_pet.getVictim() clear at Unit death etc.
// This is needed for charmed creatures, as once their target was reset other effects can trigger threat
if (!victim->isTargetableForAttack())
{
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "PetAI (guid = %u) is stopping attack.", m_unit->GetGUIDLow());
m_unit->CombatStop();
inCombat = false;
return;
}
// if pet misses its target, it will also be the first in threat list
if ((!creature || !(creature->GetCreatureInfo()->ExtraFlags & CREATURE_EXTRA_FLAG_NO_MELEE))
&& m_unit->CanReachWithMeleeAttack(victim))
{
if (!m_unit->HasInArc(2 * M_PI_F / 3, victim))
{
m_unit->SetInFront(victim);
if (victim->GetTypeId() == TYPEID_PLAYER)
m_unit->SendCreateUpdateToPlayer((Player*)victim);
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
m_unit->SendCreateUpdateToPlayer((Player*)owner);
}
DoMeleeAttackIfReady();
}
else if (!m_unit->hasUnitState(UNIT_STAT_MOVING))
AttackStart(victim);
}
else if (owner)
{
CharmInfo* charmInfo = m_unit->GetCharmInfo();
if (owner->isInCombat() && !(charmInfo && charmInfo->HasReactState(REACT_PASSIVE)))
AttackStart(owner->getAttackerForHelper());
else
{
if (charmInfo && charmInfo->HasCommandState(COMMAND_STAY))
{
//if stay command is set but we don't have stay pos set then we need to establish current pos as stay position
if (!charminfo->IsStayPosSet())
charminfo->SetStayPosition(true);
float stayPosX = charminfo->GetStayPosX();
float stayPosY = charminfo->GetStayPosY();
float stayPosZ = charminfo->GetStayPosZ();
if (m_unit->GetPositionX() == stayPosX
&& m_unit->GetPositionY() == stayPosY
&& m_unit->GetPositionZ() == stayPosZ)
{
float StayPosO = charminfo->GetStayPosO();
if (m_unit->hasUnitState(UNIT_STAT_MOVING))
{
m_unit->GetMotionMaster()->Clear(false);
m_unit->GetMotionMaster()->MoveIdle();
}
else if (m_unit->GetOrientation() != StayPosO)
m_unit->SetOrientation(StayPosO);
}
else
m_unit->GetMotionMaster()->MovePoint(0, stayPosX, stayPosY, stayPosZ, false);
}
else if (m_unit->hasUnitState(UNIT_STAT_FOLLOW))
{
if (owner->IsWithinDistInMap(m_unit, PET_FOLLOW_DIST))
{
m_unit->GetMotionMaster()->Clear(false);
m_unit->GetMotionMaster()->MoveIdle();
}
}
else if (charmInfo && charmInfo->HasCommandState(COMMAND_FOLLOW)
&& !owner->IsWithinDistInMap(m_unit, (PET_FOLLOW_DIST * 2)))
m_unit->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, PET_FOLLOW_ANGLE);
}
}
}
void WorldSession::HandleUseItemOpcode(WorldPacket& recvPacket)
{
// TODO: add targets.read() check
Player* pUser = _player;
// ignore for remote control state
if(pUser->m_mover != pUser)
return;
uint8 bagIndex, slot;
uint8 unk_flags; // flags (if 0x02 - some additional data are received)
uint8 cast_count; // next cast if exists (single or not)
uint64 item_guid;
uint32 glyphIndex; // something to do with glyphs?
uint32 spellid; // casted spell id
recvPacket >> bagIndex >> slot >> cast_count >> spellid >> item_guid >> glyphIndex >> unk_flags;
// reject fake data
if (glyphIndex >= MAX_GLYPH_SLOT_INDEX)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
Item *pItem = pUser->GetItemByPos(bagIndex, slot);
if (!pItem)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
if (pItem->GetGUID() != item_guid)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, NULL, NULL );
return;
}
sLog.outDetail("WORLD: CMSG_USE_ITEM packet, bagIndex: %u, slot: %u, cast_count: %u, spellid: %u, Item: %u, glyphIndex: %u, unk_flags: %u, data length = %i", bagIndex, slot, cast_count, spellid, pItem->GetEntry(), glyphIndex, unk_flags, (uint32)recvPacket.size());
ItemPrototype const *proto = pItem->GetProto();
if (!proto)
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
// some item classes can be used only in equipped state
if (proto->InventoryType != INVTYPE_NON_EQUIP && !pItem->IsEquipped())
{
pUser->SendEquipError(EQUIP_ERR_ITEM_NOT_FOUND, pItem, NULL );
return;
}
uint8 msg = pUser->CanUseItem(pItem);
if (msg != EQUIP_ERR_OK)
{
pUser->SendEquipError( msg, pItem, NULL );
return;
}
// only allow conjured consumable, bandage, poisons (all should have the 2^21 item flag set in DB)
if (proto->Class == ITEM_CLASS_CONSUMABLE &&
!(proto->Flags & ITEM_FLAGS_USEABLE_IN_ARENA) &&
pUser->InArena())
{
pUser->SendEquipError(EQUIP_ERR_NOT_DURING_ARENA_MATCH,pItem,NULL);
return;
}
if (pUser->isInCombat())
{
for(int i = 0; i < MAX_ITEM_PROTO_SPELLS; ++i)
{
if (SpellEntry const *spellInfo = sSpellStore.LookupEntry(proto->Spells[i].SpellId))
{
if (IsNonCombatSpell(spellInfo))
{
pUser->SendEquipError(EQUIP_ERR_NOT_IN_COMBAT,pItem,NULL);
return;
}
}
}
}
// check also BIND_WHEN_PICKED_UP and BIND_QUEST_ITEM for .additem or .additemset case by GM (not binded at adding to inventory)
if( pItem->GetProto()->Bonding == BIND_WHEN_USE || pItem->GetProto()->Bonding == BIND_WHEN_PICKED_UP || pItem->GetProto()->Bonding == BIND_QUEST_ITEM )
{
if (!pItem->IsSoulBound())
{
pItem->SetState(ITEM_CHANGED, pUser);
pItem->SetBinding( true );
}
}
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pUser);
targets.Update(pUser);
if (!pItem->IsTargetValidForItemUse(targets.getUnitTarget()))
{
// free gray item after use fail
pUser->SendEquipError(EQUIP_ERR_NONE, pItem, NULL);
// send spell error
if (SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid))
{
// for implicit area/coord target spells
if (IsPointEffectTarget(Targets(spellInfo->EffectImplicitTargetA[EFFECT_INDEX_0])) ||
IsAreaEffectTarget(Targets(spellInfo->EffectImplicitTargetA[EFFECT_INDEX_0])))
Spell::SendCastResult(_player,spellInfo,cast_count,SPELL_FAILED_NO_VALID_TARGETS);
// for explicit target spells
else
Spell::SendCastResult(_player,spellInfo,cast_count,SPELL_FAILED_BAD_TARGETS);
}
return;
}
//Note: If script stop casting it must send appropriate data to client to prevent stuck item in gray state.
if(!Script->ItemUse(pUser,pItem,targets))
{
// no script or script not process request by self
pUser->CastItemUseSpell(pItem,targets,cast_count,glyphIndex);
}
}
void PetAI::UpdateAI(const uint32 diff)
{
if (!m_creature->isAlive())
return;
Unit* owner = m_creature->GetCharmerOrOwner();
if (m_updateAlliesTimer <= diff)
// UpdateAllies self set update timer
UpdateAllies();
else
m_updateAlliesTimer -= diff;
if (inCombat && (!m_creature->getVictim() || (m_creature->IsPet() && m_creature->GetCharmInfo()->HasState(CHARM_STATE_ACTION,ACTIONS_DISABLE))))
_stopAttack();
// i_pet.getVictim() can't be used for check in case stop fighting, i_pet.getVictim() clear at Unit death etc.
if (m_creature->getVictim())
{
bool meleeReach = m_creature->CanReachWithMeleeAttack(m_creature->getVictim());
if (_needToStop())
{
DEBUG_FILTER_LOG(LOG_FILTER_AI_AND_MOVEGENSS, "PetAI (guid = %u) is stopping attack.", m_creature->GetGUIDLow());
_stopAttack();
return;
}
else if (!m_creature->getVictim()->isAlive()) // Stop attack if target dead
{
m_creature->InterruptNonMeleeSpells(false);
_stopAttack();
return;
}
else if (m_creature->IsStopped() || meleeReach)
{
// required to be stopped cases
if (m_creature->IsStopped() && m_creature->IsNonMeleeSpellCasted(false))
{
if (m_creature->hasUnitState(UNIT_STAT_FOLLOW_MOVE))
m_creature->InterruptNonMeleeSpells(false);
else
return;
}
// not required to be stopped case
else if (DoMeleeAttackIfReady())
{
if (!m_creature->getVictim())
return;
//if pet misses its target, it will also be the first in threat list
m_creature->getVictim()->AddThreat(m_creature);
if (_needToStop())
_stopAttack();
}
}
}
else if (owner && m_creature->GetCharmInfo())
{
if (owner->isInCombat() && !(m_creature->GetCharmInfo()->HasState(CHARM_STATE_REACT,REACT_PASSIVE) || m_creature->GetCharmInfo()->HasState(CHARM_STATE_COMMAND,COMMAND_STAY)))
{
AttackStart(owner->getAttackerForHelper());
}
else if(m_creature->GetCharmInfo()->HasState(CHARM_STATE_COMMAND,COMMAND_FOLLOW))
{
if (!m_creature->hasUnitState(UNIT_STAT_FOLLOW) )
{
m_creature->GetMotionMaster()->MoveFollow(owner,PET_FOLLOW_DIST, m_creature->IsPet() ? ((Pet*)m_creature)->GetPetFollowAngle() : PET_FOLLOW_ANGLE);
}
}
}
// Autocast (casted only in combat or persistent spells in any state)
if (!m_creature->IsNonMeleeSpellCasted(false) && !m_creature->GetObjectGuid().IsVehicle())
{
typedef std::vector<std::pair<ObjectGuid, uint32> > TargetSpellList;
TargetSpellList targetSpellStore;
for (uint8 i = 0; i < m_creature->GetPetAutoSpellSize(); ++i)
{
uint32 spellID = m_creature->GetPetAutoSpellOnPos(i);
if (!spellID)
continue;
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellID);
if (!spellInfo)
continue;
if (m_creature->GetCharmInfo() && m_creature->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
continue;
// ignore some combinations of combat state and combat/noncombat spells
if (!inCombat)
{
// ignore attacking spells, and allow only self/around spells
if (!IsPositiveSpell(spellInfo->Id))
continue;
// non combat spells allowed
// only pet spells have IsNonCombatSpell and not fit this reqs:
// Consume Shadows, Lesser Invisibility, so ignore checks for its
if (!IsNonCombatSpell(spellInfo))
{
// allow only spell without spell cost or with spell cost but not duration limit
int32 duration = GetSpellDuration(spellInfo);
if ((spellInfo->manaCost || spellInfo->ManaCostPercentage || spellInfo->manaPerSecond) && duration > 0)
continue;
// allow only spell without cooldown > duration
int32 cooldown = GetSpellRecoveryTime(spellInfo);
if (cooldown >= 0 && duration >= 0 && cooldown > duration)
continue;
}
}
else
{
// just ignore non-combat spells
if (IsNonCombatSpell(spellInfo))
continue;
}
if (inCombat && m_creature->getVictim() && !m_creature->hasUnitState(UNIT_STAT_FOLLOW) && CanAutoCast(m_creature->getVictim(), spellInfo))
{
targetSpellStore.push_back(TargetSpellList::value_type(m_creature->getVictim()->GetObjectGuid(), spellInfo->Id));
continue;
}
else
{
for (AllySet::const_iterator tar = m_AllySet.begin(); tar != m_AllySet.end(); ++tar)
{
Unit* Target = m_creature->GetMap()->GetUnit(*tar);
//only buff targets that are in combat, unless the spell can only be cast while out of combat
if (!Target)
continue;
if (CanAutoCast(Target, spellInfo))
{
targetSpellStore.push_back(TargetSpellList::value_type(Target->GetObjectGuid(), spellInfo->Id));
break;
}
}
}
}
//found units to cast on to
if (!targetSpellStore.empty())
{
uint32 index = urand(0, targetSpellStore.size() - 1);
uint32 spellId = targetSpellStore[index].second;
ObjectGuid targetGuid = targetSpellStore[index].first;
if (Unit* target = m_creature->GetMap()->GetUnit(targetGuid))
{
m_creature->DoPetCastSpell(target, spellId);
}
targetSpellStore.erase(targetSpellStore.begin() + index);
}
targetSpellStore.clear();
}
}