void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
recvPacket >> spellId;
// ignore for remote control state (for player case)
Unit* mover = _player->GetMover();
if (mover != _player && mover->GetTypeId() == TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
DEBUG_LOG("WORLD: got cast spell packet, spellId - %u, data length = " SIZEFMTD,
spellId, recvPacket.size());
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellId);
if (!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
if (mover->GetTypeId() == TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Player*)mover)->HasActiveSpell(spellId) || IsPassiveSpell(spellInfo))
{
sLog.outError("World: Player %u casts spell %u which he shouldn't have", mover->GetGUIDLow(), spellId);
// cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Creature*)mover)->HasSpell(spellId) || IsPassiveSpell(spellInfo))
{
// cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// client provided targets
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(_player);
// auto-selection buff level base at target level (in spellInfo)
if (Unit* target = targets.getUnitTarget())
{
// if rank not found then function return nullptr but in explicit cast case original spell can be casted and later failed with appropriate error message
if (SpellEntry const* actualSpellInfo = sSpellMgr.SelectAuraRankForLevel(spellInfo, _player, target))
spellInfo = actualSpellInfo;
}
Spell* spell = new Spell(_player, spellInfo, false);
spell->SpellStart(&targets);
}
void WorldSession::HandlePetAction(WorldPacket& recv_data)
{
ObjectGuid petGuid;
uint32 data;
ObjectGuid targetGuid;
recv_data >> petGuid;
recv_data >> data;
recv_data >> targetGuid;
uint32 spellid = UNIT_ACTION_BUTTON_ACTION(data);
uint8 flag = UNIT_ACTION_BUTTON_TYPE(data); // delete = 0x07 CastSpell = C1
DETAIL_LOG("HandlePetAction: %s flag is %u, spellid is %u, target %s.", petGuid.GetString().c_str(), uint32(flag), spellid, targetGuid.GetString().c_str());
// used also for charmed creature/player
Unit* petUnit = _player->GetMap()->GetUnit(petGuid);
if (!petUnit)
{
sLog.outError("HandlePetAction: %s not exist.", petGuid.GetString().c_str());
return;
}
if (_player->GetObjectGuid() != petUnit->GetMasterGuid())
{
sLog.outError("HandlePetAction: %s isn't controlled by %s.", petGuid.GetString().c_str(), _player->GetGuidStr().c_str());
return;
}
if (!petUnit->isAlive())
return;
CharmInfo* charmInfo = petUnit->GetCharmInfo();
if (!charmInfo)
{
sLog.outError("WorldSession::HandlePetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", petUnit->GetGUIDLow(), petUnit->GetTypeId());
return;
}
Pet* pet = nullptr;
Creature* creature = nullptr;
if (petUnit->GetTypeId() == TYPEID_UNIT)
{
creature = static_cast<Creature*>(petUnit);
if (creature->IsPet())
{
pet = static_cast<Pet*>(petUnit);
if (pet->GetModeFlags() & PET_MODE_DISABLE_ACTIONS)
return;
}
}
if (!pet)
{
if (petUnit->hasUnitState(UNIT_STAT_POSSESSED))
{
// possess case
if (flag != uint8(ACT_COMMAND))
{
sLog.outError("PetHAndler: unknown PET flag Action %i and spellid %i. For possessed %s", uint32(flag), spellid, petUnit->GetGuidStr().c_str());
return;
}
switch (spellid)
{
case COMMAND_STAY:
case COMMAND_FOLLOW:
charmInfo->SetCommandState(CommandStates(spellid));
break;
case COMMAND_ATTACK:
{
Unit* targetUnit = targetGuid ? _player->GetMap()->GetUnit(targetGuid) : nullptr;
if (targetUnit && targetUnit != petUnit && petUnit->CanAttack(targetUnit))
{
// This is true if pet has no target or has target but targets differs.
if (petUnit->getVictim() != targetUnit)
petUnit->Attack(targetUnit, true);
}
break;
}
case COMMAND_DISMISS:
_player->BreakCharmOutgoing(petUnit);
break;
default:
sLog.outError("PetHandler: Not allowed action %i and spellid %i. Pet %s owner is %s", uint32(flag), spellid, petUnit->GetGuidStr().c_str(), _player->GetGuidStr().c_str());
break;
}
}
if (!petUnit->HasCharmer())
return;
}
switch (flag)
{
case ACT_COMMAND: // 0x07
switch (spellid)
{
case COMMAND_STAY: // flat=1792 // STAY
{
if (!petUnit->hasUnitState(UNIT_STAT_POSSESSED))
{
petUnit->StopMoving();
petUnit->GetMotionMaster()->Clear();
}
petUnit->AttackStop(true, true);
charmInfo->SetCommandState(COMMAND_STAY);
break;
}
case COMMAND_FOLLOW: // spellid=1792 // FOLLOW
{
if (!petUnit->hasUnitState(UNIT_STAT_POSSESSED))
{
petUnit->StopMoving();
petUnit->GetMotionMaster()->Clear();
charmInfo->SetIsRetreating(true);
}
petUnit->AttackStop(true, true);
charmInfo->SetCommandState(COMMAND_FOLLOW);
break;
}
case COMMAND_ATTACK: // spellid=1792 // ATTACK
{
charmInfo->SetIsRetreating();
charmInfo->SetSpellOpener();
Unit* targetUnit = targetGuid ? _player->GetMap()->GetUnit(targetGuid) : nullptr;
if (targetUnit && targetUnit != petUnit && petUnit->CanAttack(targetUnit) && targetUnit->isInAccessablePlaceFor((Creature*)petUnit))
{
// This is true if pet has no target or has target but targets differs.
if (petUnit->getVictim() != targetUnit)
{
petUnit->AttackStop();
if (!petUnit->hasUnitState(UNIT_STAT_POSSESSED))
{
petUnit->GetMotionMaster()->Clear();
petUnit->AI()->AttackStart(targetUnit);
if (pet)
{
// 10% chance to play special warlock pet attack talk, else growl
if (pet->getPetType() == SUMMON_PET && roll_chance_i(10))
pet->SendPetTalk((uint32)PET_TALK_ATTACK);
pet->SendPetAIReaction();
}
}
else
petUnit->Attack(targetUnit, true);
}
}
break;
}
case COMMAND_DISMISS: // dismiss permanent pet, remove temporary pet, uncharm unit
{
if (pet)
{
pet->PlayDismissSound();
// No action for Hunter pets, Hunters must use their Dismiss Pet spell
if (pet->getPetType() != HUNTER_PET)
pet->ForcedDespawn();
}
else
{
// dismissing a summoned pet is like killing them (this prevents returning a soulshard...)
if (creature && creature->IsTemporarySummon())
creature->ForcedDespawn();
else
_player->BreakCharmOutgoing(petUnit);
}
charmInfo->SetStayPosition();
break;
}
default:
sLog.outError("WORLD: unknown PET flag Action %i and spellid %i.", uint32(flag), spellid);
}
break;
case ACT_REACTION: // 0x6
switch (spellid)
{
case REACT_PASSIVE: // passive
{
petUnit->AttackStop(true, true);
charmInfo->SetSpellOpener();
}
case REACT_DEFENSIVE: // recovery
case REACT_AGGRESSIVE: // activete
{
petUnit->AI()->SetReactState(ReactStates(spellid));
break;
}
}
break;
case ACT_DISABLED: // 0x81 spell (disabled), ignore
case ACT_PASSIVE: // 0x01
case ACT_ENABLED: // 0xC1 spell
{
charmInfo->SetIsRetreating();
charmInfo->SetSpellOpener();
Unit* unit_target = targetGuid ? _player->GetMap()->GetUnit(targetGuid) : nullptr;
// do not cast unknown spells
SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spellid);
if (!spellInfo)
{
sLog.outError("WORLD: unknown PET spell id %i", spellid);
return;
}
// do not cast not learned spells
if (IsPassiveSpell(spellInfo) || !petUnit->HasSpell(spellid))
return;
if (!petUnit->IsSpellReady(*spellInfo))
return;
for (unsigned int i : spellInfo->EffectImplicitTargetA)
{
if (i == TARGET_ENUM_UNITS_ENEMY_AOE_AT_SRC_LOC
|| i == TARGET_ENUM_UNITS_ENEMY_AOE_AT_DEST_LOC
|| i == TARGET_ENUM_UNITS_ENEMY_AOE_AT_DYNOBJ_LOC)
return;
}
petUnit->clearUnitState(UNIT_STAT_MOVING);
uint32 flags = TRIGGERED_NONE;
if (!petUnit->hasUnitState(UNIT_STAT_POSSESSED))
flags |= TRIGGERED_PET_CAST;
Spell* spell = new Spell(petUnit, spellInfo, flags);
SpellCastResult result = spell->CheckPetCast(unit_target);
const SpellRangeEntry* sRange = sSpellRangeStore.LookupEntry(spellInfo->rangeIndex);
if (unit_target && !(petUnit->IsWithinDistInMap(unit_target, sRange->maxRange) && petUnit->IsWithinLOSInMap(unit_target))
&& petUnit->CanAttackNow(unit_target))
{
charmInfo->SetSpellOpener(spellid, sRange->minRange, sRange->maxRange);
spell->finish(false);
delete spell;
petUnit->AttackStop();
if (!petUnit->hasUnitState(UNIT_STAT_POSSESSED))
{
petUnit->GetMotionMaster()->Clear();
petUnit->AI()->AttackStart(unit_target);
// 10% chance to play special warlock pet attack talk, else growl
if (pet && pet->getPetType() == SUMMON_PET && pet != unit_target && roll_chance_i(10))
petUnit->SendPetTalk((uint32)PET_TALK_ATTACK);
petUnit->SendPetAIReaction();
}
else
petUnit->Attack(unit_target, true);
return;
}
// auto turn to target unless possessed
if (result == SPELL_FAILED_UNIT_NOT_INFRONT && !petUnit->hasUnitState(UNIT_STAT_POSSESSED))
{
if (unit_target)
{
petUnit->SetInFront(unit_target);
if (unit_target->GetTypeId() == TYPEID_PLAYER)
petUnit->SendCreateUpdateToPlayer((Player*)unit_target);
}
else if (Unit* unit_target2 = spell->m_targets.getUnitTarget())
{
petUnit->SetInFront(unit_target2);
if (unit_target2->GetTypeId() == TYPEID_PLAYER)
petUnit->SendCreateUpdateToPlayer((Player*)unit_target2);
}
if (Unit* powner = petUnit->GetMaster())
if (powner->GetTypeId() == TYPEID_PLAYER)
petUnit->SendCreateUpdateToPlayer((Player*)powner);
result = SPELL_CAST_OK;
}
if (result == SPELL_CAST_OK)
{
charmInfo->SetSpellOpener();
spell->SpellStart(&(spell->m_targets));
}
else
{
if (creature && creature->IsSpellReady(*spellInfo))
GetPlayer()->SendClearCooldown(spellid, petUnit);
charmInfo->SetSpellOpener();
spell->finish(false);
delete spell;
}
break;
}
default:
sLog.outError("WORLD: unknown PET flag Action %i and spellid %i.", uint32(flag), spellid);
}
}
void WorldSession::HandlePetCastSpellOpcode(WorldPacket& recvPacket)
{
DETAIL_LOG("WORLD: CMSG_PET_CAST_SPELL");
ObjectGuid guid;
uint32 spellid;
recvPacket >> guid >> spellid;
DEBUG_LOG("WORLD: CMSG_PET_CAST_SPELL, %s, spellid %u", guid.GetString().c_str(), spellid);
Unit* petUnit = _player->GetMap()->GetUnit(guid);
if (!petUnit || (guid != _player->GetPetGuid() && !_player->HasCharm(guid)))
{
sLog.outError("HandlePetSpellAutocastOpcode. %s isn't pet of %s .", guid.GetString().c_str(), _player->GetGuidStr().c_str());
return;
}
//TODO: all those typecasting are probably not needed anymore
Creature* petCreature = petUnit->GetTypeId() == TYPEID_UNIT ? static_cast<Creature*>(petUnit) : nullptr;
Pet* pet = (petCreature && petCreature->IsPet()) ? static_cast<Pet*>(petUnit) : nullptr;
SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spellid);
if (!spellInfo)
{
sLog.outError("WORLD: unknown PET spell id %i", spellid);
return;
}
if (!petUnit->IsSpellReady(*spellInfo))
return;
// do not cast not learned spells
if (!petUnit->HasSpell(spellid) || IsPassiveSpell(spellInfo))
return;
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(petUnit);
petUnit->clearUnitState(UNIT_STAT_MOVING);
Spell* spell = new Spell(petUnit, spellInfo, TRIGGERED_PET_CAST);
spell->m_targets = targets;
SpellCastResult result = spell->CheckPetCast(nullptr);
if (result == SPELL_CAST_OK)
{
if (pet)
pet->CheckLearning(spellid);
spell->SpellStart(&(spell->m_targets));
}
else
{
petUnit->SendPetCastFail(spellid, result);
if (petCreature && petCreature->IsSpellReady(spellid))
GetPlayer()->SendClearCooldown(spellid, petUnit);
spell->finish(false);
delete spell;
}
}
void WorldSession::HandlePetCastSpellOpcode(WorldPacket& recvPacket)
{
DETAIL_LOG("WORLD: CMSG_PET_CAST_SPELL");
ObjectGuid guid;
uint32 spellid;
uint8 cast_count;
uint8 cast_flags; // flags (if 0x02 - some additional data are received)
recvPacket >> guid >> cast_count >> spellid >> cast_flags;
DEBUG_LOG("WORLD: CMSG_PET_CAST_SPELL, %s, cast_count: %u, spellid %u, cast_flags %u", guid.GetString().c_str(), cast_count, spellid, cast_flags);
Creature* pet = _player->GetMap()->GetAnyTypeCreature(guid);
if (!pet || (guid != _player->GetPetGuid() && guid != _player->GetCharmGuid()))
{
sLog.outError("HandlePetCastSpellOpcode: %s isn't pet of %s .", guid.GetString().c_str(), _player->GetGuidStr().c_str());
return;
}
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid);
if (!spellInfo)
{
sLog.outError("WORLD: unknown PET spell id %i", spellid);
return;
}
if (pet->GetCharmInfo() && pet->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
return;
Aura* triggeredByAura = pet->GetTriggeredByClientAura(spellid);
// do not cast not learned spells
if ((!triggeredByAura && !pet->HasSpell(spellid)) || IsPassiveSpell(spellInfo))
return;
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pet);
targets.ReadAdditionalData(recvPacket, cast_flags);
pet->clearUnitState(UNIT_STAT_MOVING);
Spell* spell = new Spell(pet, spellInfo, triggeredByAura ? true : false, pet->GetObjectGuid(), triggeredByAura ? triggeredByAura->GetSpellProto() : nullptr);
spell->m_cast_count = cast_count; // probably pending spell cast
spell->m_targets = targets;
SpellCastResult result = triggeredByAura ? SPELL_CAST_OK : spell->CheckPetCast(nullptr);
if (result == SPELL_CAST_OK)
{
pet->AddCreatureSpellCooldown(spellid);
spell->SpellStart(&(spell->m_targets), triggeredByAura);
}
else
{
Unit* owner = pet->GetCharmerOrOwner();
if (owner && owner->GetTypeId() == TYPEID_PLAYER && !triggeredByAura)
Spell::SendCastResult((Player*)owner, spellInfo, 0, result, true);
if (!pet->HasSpellCooldown(spellid) && !triggeredByAura)
GetPlayer()->SendClearCooldown(spellid, pet);
spell->finish(false);
delete spell;
}
}
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::HandlePetAction(WorldPacket& recv_data)
{
ObjectGuid petGuid;
uint32 data;
ObjectGuid targetGuid;
float x, y, z;
recv_data >> petGuid;
recv_data >> data;
recv_data >> targetGuid;
recv_data >> x >> y >> z;
uint32 spellid = UNIT_ACTION_BUTTON_ACTION(data);
uint8 flag = UNIT_ACTION_BUTTON_TYPE(data); // delete = 0x07 CastSpell = C1
DETAIL_LOG("HandlePetAction: %s flag is %u, spellid is %u, target %s.", petGuid.GetString().c_str(), uint32(flag), spellid, targetGuid.GetString().c_str());
// used also for charmed creature/player
Unit* pet = _player->GetMap()->GetUnit(petGuid);
if (!pet)
{
sLog.outError("HandlePetAction: %s not exist.", petGuid.GetString().c_str());
return;
}
if (_player->GetObjectGuid() != pet->GetCharmerOrOwnerGuid())
{
sLog.outError("HandlePetAction: %s isn't controlled by %s.", petGuid.GetString().c_str(), _player->GetGuidStr().c_str());
return;
}
if (!pet->isAlive())
return;
if (pet->GetTypeId() == TYPEID_PLAYER && pet->GetCharmer()->GetTypeId() == TYPEID_PLAYER)
{
// controller player cannot use controlled player's spells
if (flag != (ACT_COMMAND || ACT_REACTION))
return;
}
else if (((Creature*)pet)->IsPet())
{
// pet can have action bar disabled
if (((Pet*)pet)->GetModeFlags() & PET_MODE_DISABLE_ACTIONS)
return;
}
CharmInfo* charmInfo = pet->GetCharmInfo();
if (!charmInfo)
{
sLog.outError("WorldSession::HandlePetAction: object (GUID: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!", pet->GetGUIDLow(), pet->GetTypeId());
return;
}
switch (flag)
{
case ACT_COMMAND: // 0x07
switch (spellid)
{
case COMMAND_STAY: // flat=1792 // STAY
{
pet->StopMoving();
pet->AttackStop(true, true);
pet->GetMotionMaster()->Clear();
((Pet*)pet)->SetStayPosition(true);
((Pet*)pet)->SetIsRetreating();
((Pet*)pet)->SetSpellOpener();
charmInfo->SetCommandState(COMMAND_STAY);
break;
}
case COMMAND_FOLLOW: // spellid=1792 // FOLLOW
{
pet->StopMoving();
pet->AttackStop(true, true);
pet->GetMotionMaster()->Clear();
((Pet*)pet)->SetStayPosition();
((Pet*)pet)->SetIsRetreating(true);
((Pet*)pet)->SetSpellOpener();
charmInfo->SetCommandState(COMMAND_FOLLOW);
break;
}
case COMMAND_ATTACK: // spellid=1792 // ATTACK
{
((Pet*)pet)->SetIsRetreating();
((Pet*)pet)->SetSpellOpener();
Unit* targetUnit = targetGuid ? _player->GetMap()->GetUnit(targetGuid) : nullptr;
if (targetUnit && targetUnit != pet && targetUnit->isTargetableForAttack() && targetUnit->isInAccessablePlaceFor((Creature*)pet))
{
_player->SetInCombatState(true, targetUnit);
// This is true if pet has no target or has target but targets differs.
if (pet->getVictim() != targetUnit)
{
pet->AttackStop();
pet->GetMotionMaster()->Clear();
if (((Creature*)pet)->AI())
{
((Creature*)pet)->AI()->AttackStart(targetUnit);
// 10% chance to play special warlock pet attack talk, else growl
if (((Creature*)pet)->IsPet() && ((Pet*)pet)->getPetType() == SUMMON_PET && roll_chance_i(10))
pet->SendPetTalk((uint32)PET_TALK_ATTACK);
pet->SendPetAIReaction();
}
else
pet->Attack(targetUnit, true);
}
}
break;
}
case COMMAND_ABANDON: // abandon (hunter pet) or dismiss (summoned pet)
{
Creature* petC = (Creature*)pet;
if (petC->IsPet())
{
Pet* p = (Pet*)petC;
if (p->getPetType() == HUNTER_PET)
p->Unsummon(PET_SAVE_AS_DELETED, _player);
else
// dismissing a summoned pet is like killing them (this prevents returning a soulshard...)
p->SetDeathState(CORPSE);
}
else // charmed
_player->Uncharm();
if (petC->IsTemporarySummon()) // special case when pet was temporary summon through DoSummonPossesed
{
petC->ForcedDespawn();
return;
}
((Pet*)pet)->SetStayPosition();
break;
}
default:
sLog.outError("WORLD: unknown PET flag Action %i and spellid %i.", uint32(flag), spellid);
}
break;
case ACT_REACTION: // 0x6
switch (spellid)
{
case REACT_PASSIVE: // passive
{
pet->AttackStop(true, true);
((Pet*)pet)->SetSpellOpener();
}
case REACT_DEFENSIVE: // recovery
case REACT_AGGRESSIVE: // activete
{
charmInfo->SetReactState(ReactStates(spellid));
break;
}
}
break;
case ACT_DISABLED: // 0x81 spell (disabled), ignore
case ACT_PASSIVE: // 0x01
case ACT_ENABLED: // 0xC1 spell
{
((Pet*)pet)->SetIsRetreating();
((Pet*)pet)->SetSpellOpener();
Unit* unit_target = targetGuid ? _player->GetMap()->GetUnit(targetGuid) : nullptr;
// do not cast unknown spells
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid);
if (!spellInfo)
{
sLog.outError("WORLD: unknown PET spell id %i", spellid);
return;
}
if (pet->GetCharmInfo() && pet->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
return;
for (int i = 0; i < MAX_EFFECT_INDEX; ++i)
{
SpellEffectEntry const* spellEffect = spellInfo->GetSpellEffect(SpellEffectIndex(i));
if (!spellEffect)
continue;
if (spellEffect->EffectImplicitTargetA == TARGET_ALL_ENEMY_IN_AREA
|| spellEffect->EffectImplicitTargetA == TARGET_ALL_ENEMY_IN_AREA_INSTANT
|| spellEffect->EffectImplicitTargetA == TARGET_ALL_ENEMY_IN_AREA_CHANNELED)
return;
}
// do not cast not learned spells
if (!pet->HasSpell(spellid) || IsPassiveSpell(spellInfo))
return;
pet->clearUnitState(UNIT_STAT_MOVING);
Spell* spell = new Spell(pet, spellInfo, false);
SpellCastResult result = spell->CheckPetCast(unit_target);
const SpellRangeEntry* sRange = sSpellRangeStore.LookupEntry(spellInfo->rangeIndex);
if (unit_target && !(pet->IsWithinDistInMap(unit_target, sRange->maxRange) && pet->IsWithinLOSInMap(unit_target))
&& !(GetPlayer()->IsFriendlyTo(unit_target) || pet->HasAuraType(SPELL_AURA_MOD_POSSESS)))
{
((Pet*)pet)->SetSpellOpener(spellid, sRange->minRange, sRange->maxRange);
spell->finish(false);
delete spell;
pet->AttackStop();
pet->GetMotionMaster()->Clear();
((Creature*)pet)->AI()->AttackStart(unit_target);
// 10% chance to play special warlock pet attack talk, else growl
if (((Creature*)pet)->IsPet() && ((Pet*)pet)->getPetType() == SUMMON_PET && pet != unit_target && roll_chance_i(10))
pet->SendPetTalk((uint32)PET_TALK_ATTACK);
pet->SendPetAIReaction();
return;
}
// auto turn to target unless possessed
if (result == SPELL_FAILED_UNIT_NOT_INFRONT && !pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
{
if (unit_target)
{
pet->SetInFront(unit_target);
if (unit_target->GetTypeId() == TYPEID_PLAYER)
pet->SendCreateUpdateToPlayer((Player*)unit_target);
}
else if (Unit* unit_target2 = spell->m_targets.getUnitTarget())
{
pet->SetInFront(unit_target2);
if (unit_target2->GetTypeId() == TYPEID_PLAYER)
pet->SendCreateUpdateToPlayer((Player*)unit_target2);
}
if (Unit* powner = pet->GetCharmerOrOwner())
if (powner->GetTypeId() == TYPEID_PLAYER)
pet->SendCreateUpdateToPlayer((Player*)powner);
result = SPELL_CAST_OK;
}
if (result == SPELL_CAST_OK)
{
((Creature*)pet)->AddCreatureSpellCooldown(spellid);
unit_target = spell->m_targets.getUnitTarget();
if (unit_target && !GetPlayer()->IsFriendlyTo(unit_target) && !pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
{
// This is true if pet has no target or has target but targets differs.
if (pet->getVictim() != unit_target)
{
pet->AttackStop();
pet->GetMotionMaster()->Clear();
_player->SetInCombatState(true, unit_target);
if (((Creature*)pet)->AI())
{
((Creature*)pet)->AI()->AttackStart(unit_target);
// 10% chance to play special warlock pet attack talk, else growl
if (((Creature*)pet)->IsPet() && ((Pet*)pet)->getPetType() == SUMMON_PET && pet != unit_target && roll_chance_i(10))
pet->SendPetTalk((uint32)PET_TALK_ATTACK);
pet->SendPetAIReaction();
}
else
pet->Attack(unit_target, true);
}
}
((Pet*)pet)->SetSpellOpener();
spell->SpellStart(&(spell->m_targets));
}
else
{
if (pet->HasAuraType(SPELL_AURA_MOD_POSSESS))
Spell::SendCastResult(GetPlayer(), spellInfo, 0, result);
else
{
Unit* owner = pet->GetCharmerOrOwner();
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
Spell::SendCastResult((Player*)owner, spellInfo, 0, result, true);
}
if (!((Creature*)pet)->HasSpellCooldown(spellid))
GetPlayer()->SendClearCooldown(spellid, pet);
((Pet*)pet)->SetSpellOpener();
spell->finish(false);
delete spell;
}
break;
}
default:
sLog.outError("WORLD: unknown PET flag Action %i and spellid %i.", uint32(flag), spellid);
}
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count, cast_flags;
recvPacket >> cast_count;
recvPacket >> spellId;
recvPacket >> cast_flags; // flags (if 0x02 - some additional data are received)
// ignore for remote control state (for player case)
Unit* mover = _player->GetMover();
if (mover != _player && mover->GetTypeId() == TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
DEBUG_LOG("WORLD: CMSG_CAST_SPELL, spellId - %u, cast_count: %u, unk_flags %u, data length = " SIZEFMTD,
spellId, cast_count, cast_flags, recvPacket.size());
SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(spellId);
if (!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
Aura* triggeredByAura = mover->GetTriggeredByClientAura(spellId);
if (mover->GetTypeId() == TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if ((!((Player*)mover)->HasActiveSpell(spellId) && !triggeredByAura) || IsPassiveSpell(spellInfo))
{
sLog.outError("World: %s casts spell %u which he shouldn't have", mover->GetGuidStr().c_str(), spellId);
// cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Creature*)mover)->HasSpell(spellId) || IsPassiveSpell(spellInfo))
{
// cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// client provided targets
SpellCastTargets targets;
#ifdef BUILD_PLAYERBOT
recvPacket >> targets.ReadForCaster(mover);
#else
recvPacket >> targets.ReadForCaster(_player);
#endif
// some spell cast packet including more data (for projectiles)
targets.ReadAdditionalSpellData(recvPacket, cast_flags);
// auto-selection buff level base at target level (in spellInfo)
if (Unit* target = targets.getUnitTarget())
{
// if rank not found then function return nullptr but in explicit cast case original spell can be casted and later failed with appropriate error message
if (SpellEntry const* actualSpellInfo = sSpellMgr.SelectAuraRankForLevel(spellInfo, target->getLevel()))
spellInfo = actualSpellInfo;
}
Spell* spell = new Spell(mover, spellInfo, triggeredByAura ? TRIGGERED_OLD_TRIGGERED : TRIGGERED_NONE, mover->GetObjectGuid(), triggeredByAura ? triggeredByAura->GetSpellProto() : nullptr);
spell->m_cast_count = cast_count; // set count of casts
spell->SpellStart(&targets, triggeredByAura);
}
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 WorldSession::HandlePetCastSpellOpcode(WorldPacket& recvPacket)
{
DETAIL_LOG("WORLD: CMSG_PET_CAST_SPELL");
ObjectGuid guid;
uint32 spellid;
recvPacket >> guid >> spellid;
DEBUG_LOG("WORLD: CMSG_PET_CAST_SPELL, %s, spellid %u", guid.GetString().c_str(), spellid);
Creature* pet = _player->GetMap()->GetAnyTypeCreature(guid);
if (!pet || (guid != _player->GetPetGuid() && guid != _player->GetCharmGuid()))
{
sLog.outError("HandlePetCastSpellOpcode: %s isn't pet of %s .", guid.GetString().c_str(), GetPlayer()->GetGuidStr().c_str());
return;
}
SpellEntry const* spellInfo = sSpellStore.LookupEntry(spellid);
if (!spellInfo)
{
sLog.outError("WORLD: unknown PET spell id %i", spellid);
return;
}
if (pet->GetCharmInfo() && pet->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
return;
// do not cast not learned spells
if (!pet->HasSpell(spellid) || IsPassiveSpell(spellInfo))
return;
SpellCastTargets targets;
recvPacket >> targets.ReadForCaster(pet);
pet->clearUnitState(UNIT_STAT_MOVING);
Spell* spell = new Spell(pet, spellInfo, false);
spell->m_targets = targets;
SpellCastResult result = spell->CheckPetCast(nullptr);
if (result == SPELL_CAST_OK)
{
pet->AddCreatureSpellCooldown(spellid);
if (pet->IsPet())
((Pet*)pet)->CheckLearning(spellid);
spell->SpellStart(&(spell->m_targets));
}
else
{
Unit* owner = pet->GetCharmerOrOwner();
if (owner && owner->GetTypeId() == TYPEID_PLAYER)
Spell::SendCastResult((Player*)owner, spellInfo, 0, result, true);
if (!pet->HasSpellCooldown(spellid))
GetPlayer()->SendClearCooldown(spellid, pet);
spell->finish(false);
delete spell;
}
}
void WorldSession::HandleTrainerBuySpellOpcode(WorldPacket& recv_data)
{
ObjectGuid guid;
uint32 spellId = 0;
recv_data >> guid >> spellId;
DEBUG_LOG("WORLD: Received opcode CMSG_TRAINER_BUY_SPELL Trainer: %s, learn spell id is: %u", guid.GetString().c_str(), spellId);
Creature* unit = GetPlayer()->GetNPCIfCanInteractWith(guid, UNIT_NPC_FLAG_TRAINER);
if (!unit)
{
DEBUG_LOG("WORLD: HandleTrainerBuySpellOpcode - %s not found or you can't interact with him.", guid.GetString().c_str());
return;
}
if (!unit->IsTrainerOf(_player, true))
return;
// check present spell in trainer spell list
TrainerSpellData const* cSpells = unit->GetTrainerSpells();
TrainerSpellData const* tSpells = unit->GetTrainerTemplateSpells();
if (!cSpells && !tSpells)
return;
// Try find spell in npc_trainer
TrainerSpell const* trainer_spell = cSpells ? cSpells->Find(spellId) : nullptr;
// Not found, try find in npc_trainer_template
if (!trainer_spell && tSpells)
trainer_spell = tSpells->Find(spellId);
// Not found anywhere, cheating?
if (!trainer_spell)
return;
// can't be learn, cheat? Or double learn with lags...
uint32 reqLevel = 0;
if (!_player->IsSpellFitByClassAndRace(trainer_spell->spell, &reqLevel))
return;
reqLevel = trainer_spell->isProvidedReqLevel ? trainer_spell->reqLevel : std::max(reqLevel, trainer_spell->reqLevel);
if (_player->GetTrainerSpellState(trainer_spell, reqLevel) != TRAINER_SPELL_GREEN)
return;
SpellEntry const* proto = sSpellTemplate.LookupEntry<SpellEntry>(trainer_spell->spell);
SpellEntry const* spellInfo = sSpellTemplate.LookupEntry<SpellEntry>(proto->EffectTriggerSpell[0]);
// apply reputation discount
uint32 nSpellCost = uint32(floor(trainer_spell->spellCost * _player->GetReputationPriceDiscount(unit)));
// check money requirement
if (_player->GetMoney() < nSpellCost)
return;
_player->ModifyMoney(-int32(nSpellCost));
SendPlaySpellVisual(guid, 0xB3); // visual effect on trainer
WorldPacket data(SMSG_PLAY_SPELL_IMPACT, 8 + 4); // visual effect on player
data << _player->GetObjectGuid();
data << uint32(0x016A); // index from SpellVisualKit.dbc
SendPacket(data);
// learn explicitly to prevent lost money at lags, learning spell will be only show spell animation
//[-ZERO] _player->learnSpell(trainer_spell->spell, false);
data.Initialize(SMSG_TRAINER_BUY_SUCCEEDED, 12);
data << ObjectGuid(guid);
data << uint32(spellId); // should be same as in packet from client
SendPacket(data);
Spell* spell;
if (proto->SpellVisual == 222)
spell = new Spell(_player, proto, false);
else
spell = new Spell(unit, proto, false);
SpellCastTargets targets;
targets.setUnitTarget(_player);
spell->SpellStart(&targets);
}