Example #1
0
void PetAI::UpdateAI(uint32 diff)
{
    if (!me->IsAlive() || !me->GetCharmInfo())
        return;

    Unit* owner = me->GetCharmerOrOwner();

    if (m_updateAlliesTimer <= diff)
        // UpdateAllies self set update timer
        UpdateAllies();
    else
        m_updateAlliesTimer -= diff;

    if (me->GetVictim() && me->GetVictim()->IsAlive())
    {
        // is only necessary to stop casting, the pet must not exit combat
        if (me->GetVictim()->HasBreakableByDamageCrowdControlAura(me))
        {
            me->InterruptNonMeleeSpells(false);
            return;
        }

        if (_needToStop())
        {
            ;//sLog->outStaticDebug("Pet AI stopped attacking [guid=%u]", me->GetGUIDLow());
            _stopAttack();
            return;
        }

        // Check before attacking to prevent pets from leaving stay position
        if (me->GetCharmInfo()->HasCommandState(COMMAND_STAY))
        {
            if (me->GetCharmInfo()->IsCommandAttack() || (me->GetCharmInfo()->IsAtStay() && me->IsWithinMeleeRange(me->GetVictim())))
                _doMeleeAttack();
        }
        else
            _doMeleeAttack();
    }
    else if (!me->GetCharmInfo() || (!me->GetCharmInfo()->GetForcedSpell() && !me->HasUnitState(UNIT_STATE_CASTING)))
    {
        if (me->HasReactState(REACT_AGGRESSIVE) || me->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(me->HasReactState(REACT_AGGRESSIVE));

            if (nextTarget)
                AttackStart(nextTarget);
            else
                HandleReturnMovement();
        }
        else
            HandleReturnMovement();
    }

    // xinef: charm info must be always available
    if (!me->GetCharmInfo())
        return;

    // Autocast (casted only in combat or persistent spells in any state)
    if (!me->HasUnitState(UNIT_STATE_CASTING))
    {
        if (owner && owner->GetTypeId() == TYPEID_PLAYER && me->GetCharmInfo()->GetForcedSpell() && me->GetCharmInfo()->GetForcedTarget())
        {
            owner->ToPlayer()->GetSession()->HandlePetActionHelper(me, me->GetGUID(), abs(me->GetCharmInfo()->GetForcedSpell()), ACT_ENABLED, me->GetCharmInfo()->GetForcedTarget());

            // xinef: if spell was casted properly and we are in passive mode, handle return
            if (!me->GetCharmInfo()->GetForcedSpell() && me->HasReactState(REACT_PASSIVE))
            {
                if (me->HasUnitState(UNIT_STATE_CASTING))
                {
                    me->GetMotionMaster()->Clear(false);
                    me->StopMoving();
                }
                else
                    _stopAttack();
            }
            return;
        }

        // xinef: dont allow ghouls to cast spells below 75 energy
        if (me->IsPet() && me->ToPet()->IsPetGhoul() && me->GetPower(POWER_ENERGY) < 75)
            return;

        typedef std::vector<std::pair<Unit*, Spell*> > TargetSpellList;
        TargetSpellList targetSpellStore;

        for (uint8 i = 0; i < me->GetPetAutoSpellSize(); ++i)
        {
            uint32 spellID = me->GetPetAutoSpellOnPos(i);
            if (!spellID)
                continue;

            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellID);
            if (!spellInfo)
                continue;

            if (me->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(spellInfo))
                continue;

            // check spell cooldown, this should be checked in CheckCast...
            if (me->HasSpellCooldown(spellInfo->Id))
                continue;

            if (spellInfo->IsPositive())
            {
                if (spellInfo->CanBeUsedInCombat())
                {
                    // Check if we're in combat or commanded to attack
                    if (!me->IsInCombat() && !me->GetCharmInfo()->IsCommandAttack())
                        continue;
                }

                Spell* spell = new Spell(me, spellInfo, TRIGGERED_NONE, 0);
                spell->LoadScripts(); // xinef: load for CanAutoCast (calling CheckPetCast)
                bool spellUsed = false;

                // Some spells can target enemy or friendly (DK Ghoul's Leap)
                // Check for enemy first (pet then owner)
                Unit* target = me->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 = ObjectAccessor::GetUnit(*me, *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)
                    delete spell;
            }
            else if (me->GetVictim() && CanAttack(me->GetVictim(), spellInfo) && spellInfo->CanBeUsedInCombat())
            {
                Spell* spell = new Spell(me, spellInfo, TRIGGERED_NONE, 0);
                if (spell->CanAutoCast(me->GetVictim()))
                    targetSpellStore.push_back(std::make_pair(me->GetVictim(), spell));
                else
                    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 (!me->HasInArc(M_PI, target))
            {
                me->SetInFront(target);
                if (target && target->GetTypeId() == TYPEID_PLAYER)
                    me->SendUpdateToPlayer(target->ToPlayer());

                if (owner && owner->GetTypeId() == TYPEID_PLAYER)
                    me->SendUpdateToPlayer(owner->ToPlayer());
            }

            me->AddSpellCooldown(spell->m_spellInfo->Id, 0, 0);

            spell->prepare(&targets);
        }

        // deleted cached Spell objects
        for (TargetSpellList::const_iterator itr = targetSpellStore.begin(); itr != targetSpellStore.end(); ++itr)
            delete itr->second;
    }
}
Example #2
0
void WorldSession::HandlePetCastSpellOpcode(WorldPacket& recvPacket)
{
    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_PET_CAST_SPELL");

    uint64 guid;
    uint8  castCount;
    uint32 spellId;
    uint8  castFlags;

    recvPacket >> guid >> castCount >> spellId >> castFlags;

    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: CMSG_PET_CAST_SPELL, guid: " UI64FMTD ", castCount: %u, spellId %u, castFlags %u", guid, castCount, spellId, castFlags);

    // This opcode is also sent from charmed and possessed units (players and creatures)
    if (!_player->GetGuardianPet() && !_player->GetCharm())
        return;

    Unit* caster = ObjectAccessor::GetUnit(*_player, guid);

    if (!caster || (caster != _player->GetGuardianPet() && caster != _player->GetCharm()))
    {
        sLog->outError("HandlePetCastSpellOpcode: Pet %u isn't pet of player %s .", uint32(GUID_LOPART(guid)), GetPlayer()->GetName().c_str());
        return;
    }

    SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellId);
    if (!spellInfo)
    {
        sLog->outError("WORLD: unknown PET spell id %i", spellId);
        return;
    }

     // do not cast not learned spells
    if (!caster->HasSpell(spellId) || spellInfo->IsPassive())
        return;

    SpellCastTargets targets;
    targets.Read(recvPacket, caster);
    HandleClientCastFlags(recvPacket, castFlags, targets);

	bool SetFollow = caster->HasUnitState(UNIT_STATE_FOLLOW);
    caster->ClearUnitState(UNIT_STATE_FOLLOW);

    Spell* spell = new Spell(caster, spellInfo, TRIGGERED_NONE);
    spell->m_cast_count = castCount;                    // probably pending spell cast
    spell->m_targets = targets;
	spell->LoadScripts();

	// Xinef: Send default target, fixes return on NeedExplicitUnitTarget
	Unit* target = targets.GetUnitTarget();
	if (!target && spell->m_spellInfo->NeedsExplicitUnitTarget())
		target = _player->GetSelectedUnit();

	SpellCastResult result = spell->CheckPetCast(target);

    if (result == SPELL_CAST_OK)
    {
        if (Creature* creature = caster->ToCreature())
        {
            creature->AddSpellCooldown(spellId, 0, 0);
            if (Pet* pet = creature->ToPet())
            {
                // 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 (pet->getPetType() == SUMMON_PET && (urand(0, 100) < 10))
                    pet->SendPetTalk(PET_TALK_SPECIAL_SPELL);
                else
                    pet->SendPetAIReaction(guid);
            }
        }

        spell->prepare(&(spell->m_targets));
    }
    else
    {
		if (!caster->GetCharmInfo() || !caster->GetCharmInfo()->GetForcedSpell())
			spell->SendPetCastResult(result);

        if (caster->GetTypeId() == TYPEID_PLAYER)
        {
            if (!caster->ToPlayer()->HasSpellCooldown(spellId))
                GetPlayer()->SendClearCooldown(spellId, caster);
        }
        else
        {
            if (!caster->ToCreature()->HasSpellCooldown(spellId))
                GetPlayer()->SendClearCooldown(spellId, caster);

			// reset specific flags in case of spell fail. AI will reset other flags
            if (caster->IsPet())
				caster->PetSpellFail(spellInfo, targets.GetUnitTarget(), result);
        }

        spell->finish(false);
        delete spell;
    }

	if (SetFollow && !caster->IsInCombat())
		caster->AddUnitState(UNIT_STATE_FOLLOW);
}
Example #3
0
void WorldSession::HandlePetActionHelper(Unit* pet, uint64 guid1, uint16 spellid, uint16 flag, uint64 guid2)
{
    CharmInfo* charmInfo = pet->GetCharmInfo();
    if (!charmInfo)
    {
        sLog->outError("WorldSession::HandlePetAction(petGuid: " UI64FMTD ", tagGuid: " UI64FMTD ", spellId: %u, flag: %u): object (entry: %u TypeId: %u) is considered pet-like but doesn't have a charminfo!",
            guid1, guid2, spellid, flag, pet->GetGUIDLow(), pet->GetTypeId());
        return;
    }

    switch (flag)
    {
        case ACT_COMMAND:                                   //0x07
            switch (spellid)
            {
                case COMMAND_STAY:                          //flat=1792  //STAY
				{
					bool controlledMotion = pet->GetMotionMaster()->GetMotionSlotType(MOTION_SLOT_CONTROLLED) != NULL_MOTION_TYPE;
					if (!controlledMotion)
					{
						pet->StopMovingOnCurrentPos();
						pet->GetMotionMaster()->Clear(false);
						pet->GetMotionMaster()->MoveIdle();
					}

                    charmInfo->SetCommandState(COMMAND_STAY);
                    charmInfo->SetIsCommandAttack(false);
                    charmInfo->SetIsCommandFollow(false);
                    charmInfo->SetIsFollowing(false);
                    charmInfo->SetIsReturning(false);
					charmInfo->SetIsAtStay(!controlledMotion);
                    charmInfo->SaveStayPosition(controlledMotion);

					charmInfo->SetForcedSpell(0);
					charmInfo->SetForcedTargetGUID(0);
                    break;
				}
                case COMMAND_FOLLOW:                        //spellid=1792  //FOLLOW
				{
                    pet->AttackStop();
                    pet->InterruptNonMeleeSpells(false);
					pet->ClearInPetCombat();
                    pet->GetMotionMaster()->MoveFollow(_player, PET_FOLLOW_DIST, pet->GetFollowAngle());
                    charmInfo->SetCommandState(COMMAND_FOLLOW);

                    charmInfo->SetIsCommandAttack(false);
                    charmInfo->SetIsAtStay(false);
                    charmInfo->SetIsReturning(true);
                    charmInfo->SetIsCommandFollow(true);
                    charmInfo->SetIsFollowing(false);

					charmInfo->SetForcedSpell(0);
					charmInfo->SetForcedTargetGUID(0);
                    break;
				}
                case COMMAND_ATTACK:                        //spellid=1792  //ATTACK
                {
                    // Can't attack if owner is pacified
                    if (_player->HasAuraType(SPELL_AURA_MOD_PACIFY))
                    {
                        //pet->SendPetCastFail(spellid, SPELL_FAILED_PACIFIED);
                        //TODO: Send proper error message to client
                        return;
                    }

                    // only place where pet can be player
                    Unit* TargetUnit = ObjectAccessor::GetUnit(*_player, guid2);
                    if (!TargetUnit)
                        return;

                    if (Unit* owner = pet->GetOwner())
                        if (!owner->IsValidAttackTarget(TargetUnit))
                            return;

					// pussywizard:
					if (Creature* creaturePet = pet->ToCreature())
						if (!creaturePet->_CanDetectFeignDeathOf(TargetUnit) || !creaturePet->CanCreatureAttack(TargetUnit) || creaturePet->isTargetNotAcceptableByMMaps(TargetUnit->GetGUID(), sWorld->GetGameTime(), TargetUnit))
							return;

                    // Not let attack through obstructions
                    bool checkLos = !MMAP::MMapFactory::IsPathfindingEnabled(pet->GetMap()) || 
									(TargetUnit->GetTypeId() == TYPEID_UNIT && (TargetUnit->ToCreature()->isWorldBoss() || TargetUnit->ToCreature()->IsDungeonBoss()));

					if (checkLos && !pet->IsWithinLOSInMap(TargetUnit))
					{
						WorldPacket data(SMSG_CAST_FAILED, 1+4+1);
						data << uint8(0);
						data << uint32(7389);
						data << uint8(SPELL_FAILED_LINE_OF_SIGHT);
						SendPacket(&data);
						return;
                    }

                    pet->ClearUnitState(UNIT_STATE_FOLLOW);
                    // This is true if pet has no target or has target but targets differs.
                    if (pet->GetVictim() != TargetUnit || (pet->GetVictim() == TargetUnit && !pet->GetCharmInfo()->IsCommandAttack()))
                    {
                        pet->AttackStop();

                        if (pet->GetTypeId() != TYPEID_PLAYER && pet->ToCreature()->IsAIEnabled)
                        {
                            charmInfo->SetIsCommandAttack(true);
                            charmInfo->SetIsAtStay(false);
                            charmInfo->SetIsFollowing(false);
                            charmInfo->SetIsCommandFollow(false);
                            charmInfo->SetIsReturning(false);

                            pet->ToCreature()->AI()->AttackStart(TargetUnit);

                            //10% chance to play special pet attack talk, else growl
                            if (pet->IsPet() && ((Pet*)pet)->getPetType() == SUMMON_PET && pet != TargetUnit && urand(0, 100) < 10)
                                pet->SendPetTalk((uint32)PET_TALK_ATTACK);
                            else
                            {
                                // 90% chance for pet and 100% chance for charmed creature
                                pet->SendPetAIReaction(guid1);
                            }
                        }
                        else                                // charmed player
                        {
                            charmInfo->SetIsCommandAttack(true);
                            charmInfo->SetIsAtStay(false);
                            charmInfo->SetIsFollowing(false);
                            charmInfo->SetIsCommandFollow(false);
                            charmInfo->SetIsReturning(false);

							pet->Attack(TargetUnit, true);
                            pet->SendPetAIReaction(guid1);
                        }
                    }
                    break;
                }
                case COMMAND_ABANDON:                       // abandon (hunter pet) or dismiss (summoned pet)
                    if (pet->GetCharmerGUID() == GetPlayer()->GetGUID())
					{
						if (pet->IsSummon())
							pet->ToTempSummon()->UnSummon();
						else
							_player->StopCastingCharm();
					}
                    else if (pet->GetOwnerGUID() == GetPlayer()->GetGUID())
                    {
                        ASSERT(pet->GetTypeId() == TYPEID_UNIT);
                        if (pet->IsPet())
                        {
                            if (pet->ToPet()->getPetType() == HUNTER_PET)
                                GetPlayer()->RemovePet(pet->ToPet(), PET_SAVE_AS_DELETED);
                            else
                                //dismissing a summoned pet is like killing them (this prevents returning a soulshard...)
                                pet->setDeathState(CORPSE);
                        }
                        else if (pet->HasUnitTypeMask(UNIT_MASK_MINION|UNIT_MASK_SUMMON|UNIT_MASK_GUARDIAN|UNIT_MASK_CONTROLABLE_GUARDIAN))
                        {
                            pet->ToTempSummon()->UnSummon();
                        }
                    }
                    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();
					pet->ClearInPetCombat();

                case REACT_DEFENSIVE:                       //recovery
                case REACT_AGGRESSIVE:                      //activete
                    if (pet->GetTypeId() == TYPEID_UNIT)
                        pet->ToCreature()->SetReactState(ReactStates(spellid));
					else
						charmInfo->SetPlayerReactState(ReactStates(spellid));
                    break;
            }
            break;
        case ACT_DISABLED:                                  // 0x81    spell (disabled), ignore
        case ACT_PASSIVE:                                   // 0x01
        case ACT_ENABLED:                                   // 0xC1    spell
        {
            Unit* unit_target = NULL;

            if (guid2)
                unit_target = ObjectAccessor::GetUnit(*_player, guid2);

            // do not cast unknown spells
            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellid);
            if (!spellInfo)
            {
                sLog->outError("WORLD: unknown PET spell id %i", spellid);
                return;
            }

            for (uint32 i = 0; i < MAX_SPELL_EFFECTS; ++i)
            {
                if (spellInfo->Effects[i].TargetA.GetTarget() == TARGET_UNIT_SRC_AREA_ENEMY || spellInfo->Effects[i].TargetA.GetTarget() == TARGET_UNIT_DEST_AREA_ENEMY || spellInfo->Effects[i].TargetA.GetTarget() == TARGET_DEST_DYNOBJ_ENEMY)
                    return;
            }

            // do not cast not learned spells
            if (!pet->HasSpell(spellid) || spellInfo->IsPassive())
                return;

            //  Clear the flags as if owner clicked 'attack'. AI will reset them
            //  after AttackStart, even if spell failed
            charmInfo->SetIsAtStay(false);
            charmInfo->SetIsCommandAttack(!pet->ToCreature()->HasReactState(REACT_PASSIVE));
            charmInfo->SetIsReturning(false);
            charmInfo->SetIsFollowing(false);

            Spell* spell = new Spell(pet, spellInfo, TRIGGERED_NONE);
			spell->LoadScripts(); // xinef: load for CheckPetCast

            SpellCastResult result = spell->CheckPetCast(unit_target);

            //auto turn to target unless possessed
            if (result == SPELL_FAILED_UNIT_NOT_INFRONT && !pet->isPossessed() && !pet->IsVehicle())
            {
                if (unit_target)
                {
                    pet->SetInFront(unit_target);
                    if (unit_target->GetTypeId() == TYPEID_PLAYER)
                        pet->SendUpdateToPlayer(unit_target->ToPlayer());
                }
                else if (Unit* unit_target2 = spell->m_targets.GetUnitTarget())
                {
                    pet->SetInFront(unit_target2);
                    if (unit_target2->GetTypeId() == TYPEID_PLAYER)
                        pet->SendUpdateToPlayer(unit_target2->ToPlayer());
                }
                if (Unit* powner = pet->GetCharmerOrOwner())
                    if (powner->GetTypeId() == TYPEID_PLAYER)
                        pet->SendUpdateToPlayer(powner->ToPlayer());

                result = SPELL_CAST_OK;
            }

            if (result == SPELL_CAST_OK)
            {
                pet->ToCreature()->AddSpellCooldown(spellid, 0, 0);

                unit_target = spell->m_targets.GetUnitTarget();

                //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 (pet->IsPet() && (((Pet*)pet)->getPetType() == SUMMON_PET) && (pet != unit_target) && (urand(0, 100) < 10))
                    pet->SendPetTalk((uint32)PET_TALK_SPECIAL_SPELL);
                else
                {
                    pet->SendPetAIReaction(guid1);
                }

                if (unit_target && !GetPlayer()->IsFriendlyTo(unit_target) && !pet->isPossessed() && !pet->IsVehicle())
                {
                    // This is true if pet has no target or has target but targets differs.
                    if (pet->GetVictim() != unit_target)
                    {
                        if (pet->ToCreature()->IsAIEnabled)
                            pet->ToCreature()->AI()->AttackStart(unit_target);
                    }
                }

                spell->prepare(&(spell->m_targets));

				charmInfo->SetForcedSpell(0);
				charmInfo->SetForcedTargetGUID(0);
            }
            else
            {
				// dont spam alerts
				if (!charmInfo->GetForcedSpell())
				{
					if (pet->isPossessed() || pet->IsVehicle())
						Spell::SendCastResult(GetPlayer(), spellInfo, 0, result);
					else
						spell->SendPetCastResult(result);
				}

                if (!pet->ToCreature()->HasSpellCooldown(spellid))
                    GetPlayer()->SendClearCooldown(spellid, pet);

                spell->finish(false);
                delete spell;

				// reset specific flags in case of spell fail. AI will reset other flags
				pet->PetSpellFail(spellInfo, unit_target, result);
            }
            break;
        }
        default:
            sLog->outError("WORLD: unknown PET flag Action %i and spellid %i.", uint32(flag), spellid);
    }
}
Example #4
0
void PetAI::UpdateAI(const uint32 diff)
{
    if (!me->IsAlive())
        return;

    Unit* owner = me->GetCharmerOrOwner();

    if (m_updateAlliesTimer <= diff)
        // UpdateAllies self set update timer
        UpdateAllies();
    else
        m_updateAlliesTimer -= diff;

    // me->GetVictim() can't be used for check in case stop fighting, me->GetVictim() clear at Unit death etc.
    if (me->GetVictim())
    {
        // is only necessary to stop casting, the pet must not exit combat
        if (me->GetVictim()->HasCrowdControlAura(me))
        {
            me->InterruptNonMeleeSpells(false);
            return;
        }

        if (_needToStop())
        {
            TC_LOG_DEBUG("misc", "Pet AI stopped attacking [guid=%u]", me->GetGUIDLow());
            _stopAttack();
            return;
        }

        if (owner && !owner->IsInCombat())
            owner->SetInCombatWith(me->GetVictim());

        DoMeleeAttackIfReady();
    }
    else if (owner && me->GetCharmInfo()) //no victim
    {
        // Only aggressive pets do target search every update.
        // Defensive pets do target search only in these cases:
        //  * Owner attacks something - handled by OwnerAttacked()
        //  * Owner receives damage - handled by OwnerDamagedBy()
        //  * Pet is in combat and current target dies - handled by KilledUnit()
        if (me->HasReactState(REACT_AGGRESSIVE))
        {
            Unit* nextTarget = SelectNextTarget();

            if (nextTarget)
                AttackStart(nextTarget);
            else
                HandleReturnMovement();
        }
        else
            HandleReturnMovement();
    }
    else if (owner && !me->HasUnitState(UNIT_STATE_FOLLOW)) // no charm info and no victim
        me->GetMotionMaster()->MoveFollow(owner, PET_FOLLOW_DIST, me->GetFollowAngle());

    if (!me->GetCharmInfo())
        return;

    // Autocast (casted only in combat or persistent spells in any state)
    if (!me->HasUnitState(UNIT_STATE_CASTING))
    {
        typedef std::vector<std::pair<Unit*, Spell*> > TargetSpellList;
        TargetSpellList targetSpellStore;

        for (uint8 i = 0; i < me->GetPetAutoSpellSize(); ++i)
        {
            uint32 spellID = me->GetPetAutoSpellOnPos(i);
            if (!spellID)
                continue;

            SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellID);
            if (!spellInfo)
                continue;

            if (me->GetCharmInfo() && me->GetCharmInfo()->GetGlobalCooldownMgr().HasGlobalCooldown(me, spellInfo))
                continue;

            if (spellInfo->IsPositive())
            {
                if (spellInfo->CanBeUsedInCombat())
                {
                    // check spell cooldown
                    if (me->HasSpellCooldown(spellInfo->Id))
                        continue;

                    // Check if we're in combat or commanded to attack
                    if (!me->IsInCombat() && !me->GetCharmInfo()->IsCommandAttack())
                        continue;
                }

                Spell* spell = new Spell(me, spellInfo, TRIGGERED_NONE, 0);
                bool spellUsed = false;
                spell->LoadScripts();

                // Some spells can target enemy or friendly (DK Ghoul's Leap)
                // Check for enemy first (pet then owner)
                Unit* target = me->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 = ObjectAccessor::GetUnit(*me, *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)
                    delete spell;
            }
            else if (me->GetVictim() && CanAttack(me->GetVictim()) && spellInfo->CanBeUsedInCombat())
            {
                Spell* spell = new Spell(me, spellInfo, TRIGGERED_NONE, 0);
                if (spell->CanAutoCast(me->GetVictim()))
                    targetSpellStore.push_back(std::make_pair(me->GetVictim(), spell));
                else
                    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 (!me->HasInArc(M_PI, target))
            {
                me->SetInFront(target);
                if (target && target->GetTypeId() == TYPEID_PLAYER)
                    me->SendUpdateToPlayer(target->ToPlayer());

                if (owner && owner->GetTypeId() == TYPEID_PLAYER)
                    me->SendUpdateToPlayer(owner->ToPlayer());
            }

            me->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;
    }

    // Update speed as needed to prevent dropping too far behind and despawning
    // This not need to call every update.
    //me->UpdateSpeed(MOVE_RUN, true);
    //me->UpdateSpeed(MOVE_WALK, true);
    //me->UpdateSpeed(MOVE_FLIGHT, true);
}