#include "PetAI.h"

Inheritance diagram for PetAI:

Public Member Functions
	PetAI (Creature *c)

void	UpdateAI (uint32) override

void	KilledUnit (Unit *) override

void	AttackStart (Unit *target) override

void	MovementInform (uint32 moveType, uint32 data) override

void	OwnerAttackedBy (Unit *attacker) override

void	OwnerAttacked (Unit *target) override

void	AttackedBy (Unit *attacker) override

void	ReceiveEmote (Player *player, uint32 textEmote) override

void	MoveInLineOfSight (Unit *) override

void	MoveInLineOfSight_Safe (Unit *)

void	EnterEvadeMode (EvadeReason) override

void	SpellHit (Unit caster, SpellInfo const spellInfo) override

void	PetStopAttack () override

Public Member Functions inherited from CreatureAI
void	Talk (uint8 id, WorldObject const *whisperTarget=nullptr, Milliseconds delay=0s)
	Causes the creature to talk/say the text assigned to their entry in the `creature_text` database table.

void	Talk (uint8 id, Milliseconds delay)

	CreatureAI (Creature *creature)

	~CreatureAI () override

void	MoveCircleChecks ()

void	MoveBackwardsChecks ()

void	MoveInLineOfSight_Safe (Unit *who)
	== Reactions At =================================

void	TriggerAlert (Unit const *who) const

virtual bool	CanRespawn ()

virtual void	EnterEvadeMode (EvadeReason why=EVADE_REASON_OTHER)

virtual void	JustEngagedWith (Unit *)
	Called for reaction when initially engaged.

virtual void	JustDied (Unit *)

virtual void	KilledUnit (Unit *)

virtual void	JustSummoned (Creature *)

virtual void	IsSummonedBy (WorldObject *)

virtual void	SummonedCreatureDespawn (Creature *)

virtual void	SummonedCreatureDies (Creature , Unit )

virtual void	SummonedCreatureDespawnAll ()

virtual void	SpellHit (Unit , SpellInfo const )

virtual void	SpellHitTarget (Unit , SpellInfo const )

virtual void	AttackedBy (Unit *)

virtual bool	IsEscorted ()

virtual void	JustRespawned ()

virtual void	MovementInform (uint32, uint32)

virtual void	PathEndReached (uint32)

void	OnCharmed (bool apply) override

virtual void	JustReachedHome ()

void	DoZoneInCombat (Creature *creature=nullptr, float maxRangeToNearestTarget=250.0f)

virtual void	ReceiveEmote (Player *, uint32)

virtual void	OwnerAttackedBy (Unit *)

virtual void	OwnerAttacked (Unit *)

virtual void	CorpseRemoved (uint32 &)
	== Triggered Actions Requested ==================

virtual void	PassengerBoarded (Unit *, int8, bool)
	== Fields =======================================

virtual bool	BeforeSpellClick (Unit *)

virtual void	OnSpellClick (Unit *, bool &)

virtual bool	CanSeeAlways (WorldObject const *)

virtual bool	CanBeSeen (Player const *)

virtual bool	CanAlwaysBeDetectable (WorldObject const *)

virtual void	PetStopAttack ()

virtual bool	CheckInRoom ()

CreatureBoundary const *	GetBoundary () const

void	SetBoundary (CreatureBoundary const *boundary, bool negativeBoundaries=false)

bool	IsInBoundary (Position const *who=nullptr) const

virtual void	CalculateThreat (Unit , float &, SpellInfo const )

virtual bool	OnTeleportUnreacheablePlayer (Player *)

Public Member Functions inherited from UnitAI
	UnitAI (Unit *unit)

virtual	~UnitAI ()

virtual bool	CanAIAttack (Unit const *) const

virtual void	AttackStart (Unit *)

virtual void	UpdateAI (uint32)=0

virtual void	InitializeAI ()

virtual void	Reset ()

virtual void	OnCharmed (bool apply)=0

virtual void	DoAction (int32)

virtual uint32	GetData (uint32) const

virtual void	SetData (uint32, uint32)

virtual void	SetGUID (ObjectGuid, int32=0)

virtual ObjectGuid	GetGUID (int32=0) const

Unit *	SelectTarget (SelectTargetMethod targetType, uint32 position=0, float dist=0.0f, bool playerOnly=false, bool withTank=true, int32 aura=0)

template<class PREDICATE >
Unit *	SelectTarget (SelectTargetMethod targetType, uint32 position, PREDICATE const &predicate)

void	SelectTargetList (std::list< Unit * > &targetList, uint32 num, SelectTargetMethod targetType, uint32 position=0, float dist=0.0f, bool playerOnly=false, bool withTank=true, int32 aura=0)

template<class PREDICATE >
void	SelectTargetList (std::list< Unit * > &targetList, uint32 num, SelectTargetMethod targetType, uint32 position, PREDICATE const &predicate)

virtual void	JustEnteredCombat (Unit *)
	Called when the unit enters combat (NOTE: Creature engage logic should NOT be here, but in JustEngagedWith, which happens once threat is established!)

virtual void	JustExitedCombat ()
	Called when the unit leaves combat.

virtual void	DamageDealt (Unit *, uint32 &, DamageEffectType)

virtual void	DamageTaken (Unit *, uint32 &, DamageEffectType, SpellSchoolMask)

virtual void	HealReceived (Unit *, uint32 &)

virtual void	HealDone (Unit *, uint32 &)

void	AttackStartCaster (Unit *victim, float dist)

SpellCastResult	DoAddAuraToAllHostilePlayers (uint32 spellid)

SpellCastResult	DoCast (uint32 spellId)

SpellCastResult	DoCast (Unit *victim, uint32 spellId, bool triggered=false)

SpellCastResult	DoCastSelf (uint32 spellId, bool triggered=false)

SpellCastResult	DoCastToAllHostilePlayers (uint32 spellid, bool triggered=false)

SpellCastResult	DoCastVictim (uint32 spellId, bool triggered=false)

SpellCastResult	DoCastAOE (uint32 spellId, bool triggered=false)

SpellCastResult	DoCastRandomTarget (uint32 spellId, uint32 threatTablePosition=0, float dist=0.0f, bool playerOnly=true, bool triggered=false)

SpellCastResult	DoCastMaxThreat (uint32 spellId, uint32 threatTablePosition=0, float dist=0.0f, bool playerOnly=true, bool triggered=false)
	Cast spell on the max threat target, which may not always be the current victim.

float	DoGetSpellMaxRange (uint32 spellId, bool positive=false)

void	DoMeleeAttackIfReady ()

bool	DoSpellAttackIfReady (uint32 spell)

void	DoSpellAttackToRandomTargetIfReady (uint32 spell, uint32 threatTablePosition=0, float dist=0.f, bool playerOnly=true)

virtual void	SummonMovementInform (Creature *, uint32, uint32)

virtual void	sGossipHello (Player *)

virtual void	sGossipSelect (Player *, uint32, uint32)

virtual void	sGossipSelectCode (Player , uint32, uint32, char const )

virtual void	sQuestAccept (Player , Quest const )

virtual void	sQuestSelect (Player , Quest const )

virtual void	sQuestComplete (Player , Quest const )

virtual void	sQuestReward (Player , Quest const , uint32)

virtual void	sOnGameEvent (bool, uint16)

virtual std::string	GetDebugInfo () const

Static Public Member Functions
static int32	Permissible (Creature const *creature)

Static Public Member Functions inherited from CreatureAI
static bool	IsInBounds (CreatureBoundary const &boundary, Position const *who)

Static Public Member Functions inherited from UnitAI
static void	FillAISpellInfo ()

Private Member Functions
bool	_isVisible (Unit *) const

bool	_needToStop (void)

void	_stopAttack (void)

void	_doMeleeAttack ()

bool	_canMeleeAttack ()

void	UpdateAllies ()

Unit *	SelectNextTarget (bool allowAutoSelect) const

void	HandleReturnMovement ()

void	DoAttack (Unit *target, bool chase)

bool	CanAttack (Unit target, SpellInfo const spellInfo=nullptr)

void	ClearCharmInfoFlags ()

Private Attributes
TimeTracker	i_tracker

GuidSet	m_AllySet

uint32	m_updateAlliesTimer

float	combatRange

Additional Inherited Members
Public Types inherited from CreatureAI
enum	EvadeReason { EVADE_REASON_NO_HOSTILES , EVADE_REASON_BOUNDARY , EVADE_REASON_SEQUENCE_BREAK , EVADE_REASON_NO_PATH , EVADE_REASON_OTHER }

Static Public Attributes inherited from UnitAI
static AISpellInfoType *	AISpellInfo

Protected Member Functions inherited from CreatureAI
bool	UpdateVictim ()

bool	UpdateVictimWithGaze ()

void	SetGazeOn (Unit *target)

Creature *	DoSummon (uint32 entry, Position const &pos, uint32 despawnTime=30000, TempSummonType summonType=TEMPSUMMON_CORPSE_TIMED_DESPAWN)

Creature *	DoSummon (uint32 entry, WorldObject *obj, float radius=5.0f, uint32 despawnTime=30000, TempSummonType summonType=TEMPSUMMON_CORPSE_TIMED_DESPAWN)

Creature *	DoSummonFlyer (uint32 entry, WorldObject *obj, float flightZ, float radius=5.0f, uint32 despawnTime=30000, TempSummonType summonType=TEMPSUMMON_CORPSE_TIMED_DESPAWN)

virtual void	MoveInLineOfSight (Unit *)

bool	_EnterEvadeMode (EvadeReason why=EVADE_REASON_OTHER)

Protected Attributes inherited from CreatureAI
Creature *const	me

EventMap	events

CreatureBoundary const *	_boundary

bool	_negateBoundary

Protected Attributes inherited from UnitAI
Unit *const	me

Detailed Description

Constructor & Destructor Documentation

◆ PetAI()

PetAI::PetAI ( Creature * c )

explicit

                        : CreatureAI(c), i_tracker(TIME_INTERVAL_LOOK)
{
    UpdateAllies();
}

References UpdateAllies().

Member Function Documentation

◆ _canMeleeAttack()

bool PetAI::_canMeleeAttack ( )

private

{
    combatRange = 0.f;
    switch (me->GetEntry())
    {
        case ENTRY_IMP:
        case ENTRY_WATER_ELEMENTAL:
        case ENTRY_WATER_ELEMENTAL_PERM:
            {
                for (uint8 i = 0; i < me->GetPetAutoSpellSize(); ++i)
                {
                    uint32 spellID = me->GetPetAutoSpellOnPos(i);
                    switch (spellID)
                    {
                        case IMP_FIREBOLT_RANK_1:
                        case IMP_FIREBOLT_RANK_2:
                        case IMP_FIREBOLT_RANK_3:
                        case IMP_FIREBOLT_RANK_4:
                        case IMP_FIREBOLT_RANK_5:
                        case IMP_FIREBOLT_RANK_6:
                        case IMP_FIREBOLT_RANK_7:
                        case IMP_FIREBOLT_RANK_8:
                        case IMP_FIREBOLT_RANK_9:
                        case WATER_ELEMENTAL_WATERBOLT_1:
                        case WATER_ELEMENTAL_WATERBOLT_2:
                            {
                                SpellInfo const* spellInfo = sSpellMgr->GetSpellInfo(spellID);
                                int32 mana = me->GetPower(POWER_MANA);
 
                                if (mana >= spellInfo->CalcPowerCost(me, spellInfo->GetSchoolMask()))
                                {
                                    combatRange = spellInfo->GetMaxRange();
                                    return true;
                                }
                            }
                        default:
                            break;
                    }
                }
                return false;
            }
        default:
            break;
    }
 
    return true;
}

References SpellInfo::CalcPowerCost(), combatRange, ENTRY_IMP, ENTRY_WATER_ELEMENTAL, ENTRY_WATER_ELEMENTAL_PERM, Object::GetEntry(), SpellInfo::GetMaxRange(), Creature::GetPetAutoSpellOnPos(), Creature::GetPetAutoSpellSize(), Unit::GetPower(), SpellInfo::GetSchoolMask(), IMP_FIREBOLT_RANK_1, IMP_FIREBOLT_RANK_2, IMP_FIREBOLT_RANK_3, IMP_FIREBOLT_RANK_4, IMP_FIREBOLT_RANK_5, IMP_FIREBOLT_RANK_6, IMP_FIREBOLT_RANK_7, IMP_FIREBOLT_RANK_8, IMP_FIREBOLT_RANK_9, CreatureAI::me, POWER_MANA, sSpellMgr, WATER_ELEMENTAL_WATERBOLT_1, and WATER_ELEMENTAL_WATERBOLT_2.

Referenced by _doMeleeAttack(), and DoAttack().

◆ _doMeleeAttack()

void PetAI::_doMeleeAttack ( )

private

{
    // Xinef: Imps cannot attack with melee
    if (!_canMeleeAttack())
        return;
 
    DoMeleeAttackIfReady();
}

References _canMeleeAttack(), and UnitAI::DoMeleeAttackIfReady().

Referenced by UpdateAI().

◆ _isVisible()

bool PetAI::_isVisible ( Unit * ) const

private

◆ _needToStop()

bool PetAI::_needToStop ( void )

private

{
    // This is needed for charmed creatures, as once their target was reset other effects can trigger threat
    if (me->IsCharmed() && me->GetVictim() == me->GetCharmer())
        return true;
 
    // xinef: dont allow to follow targets out of visibility range
    if (me->GetExactDist(me->GetVictim()) > me->GetVisibilityRange() - 5.0f)
        return true;
 
    // dont allow pets to follow targets far away from owner
    if (Unit* owner = me->GetCharmerOrOwner())
        if (owner->GetExactDist(me) >= (owner->GetVisibilityRange() - 10.0f))
            return true;
 
    return !me->CanCreatureAttack(me->GetVictim());
}

References Creature::CanCreatureAttack(), Unit::GetCharmer(), Unit::GetCharmerOrOwner(), Position::GetExactDist(), Unit::GetVictim(), WorldObject::GetVisibilityRange(), Unit::IsCharmed(), and CreatureAI::me.

Referenced by UpdateAI().

◆ _stopAttack()

void PetAI::_stopAttack ( void )

private

{
    if (!me->IsAlive())
    {
        LOG_DEBUG("entities.unit.ai", "Creature stoped attacking cuz his dead [{}]", me->GetGUID().ToString());
        me->GetMotionMaster()->Clear();
        me->GetMotionMaster()->MoveIdle();
        me->CombatStop();
        me->getHostileRefMgr().deleteReferences();
        return;
    }
 
    me->AttackStop();
    me->InterruptNonMeleeSpells(false);
    me->GetCharmInfo()->SetIsCommandAttack(false);
    ClearCharmInfoFlags();
    HandleReturnMovement();
}

References Unit::AttackStop(), MotionMaster::Clear(), ClearCharmInfoFlags(), Unit::CombatStop(), HostileRefMgr::deleteReferences(), Unit::GetCharmInfo(), Object::GetGUID(), Unit::getHostileRefMgr(), Unit::GetMotionMaster(), HandleReturnMovement(), Unit::InterruptNonMeleeSpells(), Unit::IsAlive(), LOG_DEBUG, CreatureAI::me, MotionMaster::MoveIdle(), CharmInfo::SetIsCommandAttack(), and ObjectGuid::ToString().

Referenced by PetStopAttack(), and UpdateAI().

◆ AttackedBy()

void PetAI::AttackedBy ( Unit * attacker )

overridevirtual

Reimplemented from CreatureAI.

{
    // Called when pet takes damage. This function helps keep pets from running off
    //  simply due to gaining aggro.
 
    if (!attacker)
        return;
 
    // Passive pets don't do anything
    if (me->HasReactState(REACT_PASSIVE))
        return;
 
    // Prevent pet from disengaging from current target
    if (me->GetVictim() && me->GetVictim()->IsAlive())
        return;
 
    // Continue to evaluate and attack if necessary
    AttackStart(attacker);
}

References AttackStart(), Unit::GetVictim(), Creature::HasReactState(), Unit::IsAlive(), CreatureAI::me, and REACT_PASSIVE.

◆ AttackStart()

void PetAI::AttackStart ( Unit * target )

overridevirtual

Reimplemented from UnitAI.

{
    // Overrides Unit::AttackStart to correctly evaluate Pet states
 
    // Check all pet states to decide if we can attack this target
    if (!CanAttack(target))
        return;
 
    // Only chase if not commanded to stay or if stay but commanded to attack
    DoAttack(target, (!me->GetCharmInfo()->HasCommandState(COMMAND_STAY) || me->GetCharmInfo()->IsCommandAttack()));
}

References CanAttack(), COMMAND_STAY, DoAttack(), Unit::GetCharmInfo(), CharmInfo::HasCommandState(), CharmInfo::IsCommandAttack(), and CreatureAI::me.

Referenced by AttackedBy(), KilledUnit(), OwnerAttacked(), OwnerAttackedBy(), npc_pet_pri_shadowfiend::Reset(), and UpdateAI().

◆ CanAttack()

bool PetAI::CanAttack	(	Unit *	target,
		SpellInfo const *	spellInfo = `nullptr`
	)

private

{
    // Evaluates wether a pet can attack a specific target based on CommandState, ReactState and other flags
    // IMPORTANT: The order in which things are checked is important, be careful if you add or remove checks
 
    // Hmmm...
    if (!target)
        return false;
 
    if (!target->IsAlive())
    {
        // xinef: if target is invalid, pet should evade automaticly
        // Clear target to prevent getting stuck on dead targets
        //me->AttackStop();
        //me->InterruptNonMeleeSpells(false);
        return false;
    }
 
    // xinef: check unit states of pet
    if (me->HasUnitState(UNIT_STATE_LOST_CONTROL))
        return false;
 
    // xinef: pets of mounted players have stunned flag only, check this also
    if (me->HasUnitFlag(UNIT_FLAG_STUNNED))
        return false;
 
    // pussywizard: TEMP!
    if (!me->GetCharmInfo())
    {
        LOG_INFO("misc", "PetAI::CanAttack (A1) - {}, {}", me->GetEntry(), me->GetOwnerGUID().ToString());
        return false;
    }
 
    // Passive - passive pets can attack if told to
    if (me->HasReactState(REACT_PASSIVE))
        return me->GetCharmInfo()->IsCommandAttack();
 
    // CC - mobs under crowd control can be attacked if owner commanded
    if (target->HasBreakableByDamageCrowdControlAura() && (!spellInfo || !spellInfo->HasAttribute(SPELL_ATTR4_REACTIVE_DAMAGE_PROC)))
        return me->GetCharmInfo()->IsCommandAttack();
 
    // Returning - pets ignore attacks only if owner clicked follow
    if (me->GetCharmInfo()->IsReturning())
        return !me->GetCharmInfo()->IsCommandFollow();
 
    // Stay - can attack if target is within range or commanded to
    if (me->GetCharmInfo()->HasCommandState(COMMAND_STAY))
        return (me->IsWithinMeleeRange(target) || me->GetCharmInfo()->IsCommandAttack());
 
    //  Pets attacking something (or chasing) should only switch targets if owner tells them to
    if (me->GetVictim() && me->GetVictim() != target)
    {
        // Forced change target if it's taunt
        if (spellInfo && spellInfo->HasAura(SPELL_AURA_MOD_TAUNT))
        {
            return true;
        }
 
        // Check if our owner selected this target and clicked "attack"
        Unit* ownerTarget = nullptr;
        if (Player* owner = me->GetCharmerOrOwner()->ToPlayer())
            ownerTarget = owner->GetSelectedUnit();
        else
            ownerTarget = me->GetCharmerOrOwner()->GetVictim();
 
        if (ownerTarget && me->GetCharmInfo()->IsCommandAttack())
            return (target->GetGUID() == ownerTarget->GetGUID());
    }
 
    // Follow
    if (me->GetCharmInfo()->HasCommandState(COMMAND_FOLLOW))
        return !me->GetCharmInfo()->IsReturning();
 
    // default, though we shouldn't ever get here
    return false;
}

References COMMAND_FOLLOW, COMMAND_STAY, Unit::GetCharmerOrOwner(), Unit::GetCharmInfo(), Object::GetEntry(), Object::GetGUID(), Unit::GetOwnerGUID(), Unit::GetVictim(), SpellInfo::HasAttribute(), SpellInfo::HasAura(), Unit::HasBreakableByDamageCrowdControlAura(), CharmInfo::HasCommandState(), Creature::HasReactState(), Unit::HasUnitFlag(), Unit::HasUnitState(), Unit::IsAlive(), CharmInfo::IsCommandAttack(), CharmInfo::IsCommandFollow(), CharmInfo::IsReturning(), Unit::IsWithinMeleeRange(), LOG_INFO, CreatureAI::me, REACT_PASSIVE, SPELL_ATTR4_REACTIVE_DAMAGE_PROC, SPELL_AURA_MOD_TAUNT, Object::ToPlayer(), ObjectGuid::ToString(), UNIT_FLAG_STUNNED, and UNIT_STATE_LOST_CONTROL.

Referenced by AttackStart(), SpellHit(), and UpdateAI().

◆ ClearCharmInfoFlags()

void PetAI::ClearCharmInfoFlags ( )

private

{
    // Quick access to set all flags to FALSE
 
    CharmInfo* ci = me->GetCharmInfo();
 
    if (ci)
    {
        ci->SetIsAtStay(false);
        ci->SetIsCommandAttack(false);
        ci->SetIsCommandFollow(false);
        ci->SetIsFollowing(false);
        ci->SetIsReturning(false);
    }
}

References Unit::GetCharmInfo(), CreatureAI::me, CharmInfo::SetIsAtStay(), CharmInfo::SetIsCommandAttack(), CharmInfo::SetIsCommandFollow(), CharmInfo::SetIsFollowing(), and CharmInfo::SetIsReturning().

Referenced by _stopAttack(), DoAttack(), HandleReturnMovement(), and MovementInform().

◆ DoAttack()

void PetAI::DoAttack	(	Unit *	target,
		bool	chase
	)

private

{
    // Handles attack with or without chase and also resets flags
    // for next update / creature kill
 
    if (me->Attack(target, true))
    {
        // xinef: properly fix fake combat after pet is sent to attack
        if (Unit* owner = me->GetOwner())
            owner->SetUnitFlag(UNIT_FLAG_PET_IN_COMBAT);
 
        me->SetUnitFlag(UNIT_FLAG_PET_IN_COMBAT);
 
        // Play sound to let the player know the pet is attacking something it picked on its own
        if (me->HasReactState(REACT_AGGRESSIVE) && !me->GetCharmInfo()->IsCommandAttack())
            me->SendPetAIReaction(me->GetGUID());
 
        if (chase)
        {
            bool oldCmdAttack = me->GetCharmInfo()->IsCommandAttack(); // This needs to be reset after other flags are cleared
            ClearCharmInfoFlags();
            me->GetCharmInfo()->SetIsCommandAttack(oldCmdAttack); // For passive pets commanded to attack so they will use spells
 
            if (_canMeleeAttack())
            {
                float angle = combatRange == 0.f && target->GetTypeId() != TYPEID_PLAYER && !target->IsPet() ? float(M_PI) : 0.f;
                float tolerance = combatRange == 0.f ? float(M_PI_4) : float(M_PI * 2);
                me->GetMotionMaster()->MoveChase(target, ChaseRange(0.f, combatRange), ChaseAngle(angle, tolerance));
            }
        }
        else // (Stay && ((Aggressive || Defensive) && In Melee Range)))
        {
            ClearCharmInfoFlags();
 
            me->GetCharmInfo()->SetIsAtStay(true);
            me->GetMotionMaster()->MovementExpiredOnSlot(MOTION_SLOT_ACTIVE, false);
            me->GetMotionMaster()->MoveIdle();
        }
    }
}

References _canMeleeAttack(), Unit::Attack(), ClearCharmInfoFlags(), combatRange, Unit::GetCharmInfo(), Object::GetGUID(), Unit::GetMotionMaster(), Unit::GetOwner(), Object::GetTypeId(), Creature::HasReactState(), CharmInfo::IsCommandAttack(), Unit::IsPet(), CreatureAI::me, MOTION_SLOT_ACTIVE, MotionMaster::MoveChase(), MotionMaster::MoveIdle(), MotionMaster::MovementExpiredOnSlot(), REACT_AGGRESSIVE, Unit::SendPetAIReaction(), CharmInfo::SetIsAtStay(), CharmInfo::SetIsCommandAttack(), Unit::SetUnitFlag(), TYPEID_PLAYER, and UNIT_FLAG_PET_IN_COMBAT.

Referenced by AttackStart(), and SpellHit().

◆ EnterEvadeMode()

void PetAI::EnterEvadeMode ( EvadeReason )

inlineoverridevirtual

Reimplemented from CreatureAI.

68{} // For fleeing, pets don't use this type of Evade mechanic

◆ HandleReturnMovement()

void PetAI::HandleReturnMovement ( )

private

{
    // Handles moving the pet back to stay or owner
 
    // Prevent activating movement when under control of spells
    // such as "Eyes of the Beast"
    if (me->isPossessed())
        return;
 
    if (me->GetCharmInfo()->HasCommandState(COMMAND_STAY))
    {
        if (!me->GetCharmInfo()->IsAtStay() && !me->GetCharmInfo()->IsReturning())
        {
            if (me->GetCharmInfo()->HasStayPosition())
            {
                // Return to previous position where stay was clicked
                if (me->GetMotionMaster()->GetMotionSlotType(MOTION_SLOT_CONTROLLED) == NULL_MOTION_TYPE)
                {
                    float x, y, z;
                    me->GetCharmInfo()->GetStayPosition(x, y, z);
                    ClearCharmInfoFlags();
                    me->GetCharmInfo()->SetIsReturning(true);
                    me->GetMotionMaster()->Clear();
                    me->GetMotionMaster()->MovePoint(me->GetGUID().GetCounter(), x, y, z);
                }
            }
        }
    }
    else // COMMAND_FOLLOW
    {
        if (!me->GetCharmInfo()->IsFollowing() && !me->GetCharmInfo()->IsReturning())
        {
            if (me->GetMotionMaster()->GetMotionSlotType(MOTION_SLOT_CONTROLLED) == NULL_MOTION_TYPE)
            {
                ClearCharmInfoFlags();
                me->GetCharmInfo()->SetIsReturning(true);
                me->GetMotionMaster()->Clear();
                me->GetMotionMaster()->MoveFollow(me->GetCharmerOrOwner(), PET_FOLLOW_DIST, me->GetFollowAngle());
            }
        }
    }
 
    me->GetCharmInfo()->SetForcedSpell(0);
    me->GetCharmInfo()->SetForcedTargetGUID();
 
    // xinef: remember that npcs summoned by npcs can also be pets
    me->GetThreatMgr().ClearAllThreat();
    me->ClearInPetCombat();
}

References MotionMaster::Clear(), ThreatMgr::ClearAllThreat(), ClearCharmInfoFlags(), Unit::ClearInPetCombat(), COMMAND_STAY, Unit::GetCharmerOrOwner(), Unit::GetCharmInfo(), ObjectGuid::GetCounter(), Unit::GetFollowAngle(), Object::GetGUID(), Unit::GetMotionMaster(), MotionMaster::GetMotionSlotType(), CharmInfo::GetStayPosition(), Unit::GetThreatMgr(), CharmInfo::HasCommandState(), CharmInfo::HasStayPosition(), CharmInfo::IsAtStay(), CharmInfo::IsFollowing(), Unit::isPossessed(), CharmInfo::IsReturning(), CreatureAI::me, MOTION_SLOT_CONTROLLED, MotionMaster::MoveFollow(), MotionMaster::MovePoint(), NULL_MOTION_TYPE, PET_FOLLOW_DIST, CharmInfo::SetForcedSpell(), CharmInfo::SetForcedTargetGUID(), and CharmInfo::SetIsReturning().

Referenced by _stopAttack(), KilledUnit(), and UpdateAI().

◆ KilledUnit()

void PetAI::KilledUnit ( Unit * victim )

overridevirtual

Reimplemented from CreatureAI.

{
    // Called from Unit::Kill() in case where pet or owner kills something
    // if owner killed this victim, pet may still be attacking something else
    if (me->GetVictim() && me->GetVictim() != victim)
        return;
 
    // Xinef: if pet is channeling a spell and owner killed something different, dont interrupt it
    if (me->HasUnitState(UNIT_STATE_CASTING) && me->GetGuidValue(UNIT_FIELD_CHANNEL_OBJECT) && me->GetGuidValue(UNIT_FIELD_CHANNEL_OBJECT) != victim->GetGUID())
        return;
 
    // Clear target just in case. May help problem where health / focus / mana
    // regen gets stuck. Also resets attack command.
    // Can't use _stopAttack() because that activates movement handlers and ignores
    // next target selection
    me->AttackStop();
    me->InterruptNonMeleeSpells(false);
 
    // Before returning to owner, see if there are more things to attack
    if (Unit* nextTarget = SelectNextTarget(false))
        AttackStart(nextTarget);
    else
        HandleReturnMovement(); // Return
}

References AttackStart(), Unit::AttackStop(), Object::GetGUID(), Object::GetGuidValue(), Unit::GetVictim(), HandleReturnMovement(), Unit::HasUnitState(), Unit::InterruptNonMeleeSpells(), CreatureAI::me, SelectNextTarget(), UNIT_FIELD_CHANNEL_OBJECT, and UNIT_STATE_CASTING.

◆ MoveInLineOfSight()

void PetAI::MoveInLineOfSight ( Unit * )

inlineoverridevirtual

Reimplemented from CreatureAI.

65{} // CreatureAI interferes with returning pets

◆ MoveInLineOfSight_Safe()

void PetAI::MoveInLineOfSight_Safe ( Unit * )

inline

66{} // CreatureAI interferes with returning pets

◆ MovementInform()

void PetAI::MovementInform	(	uint32	moveType,
		uint32	data
	)

overridevirtual

Reimplemented from CreatureAI.

{
    // Receives notification when pet reaches stay or follow owner
    switch (moveType)
    {
        case POINT_MOTION_TYPE:
            {
                // Pet is returning to where stay was clicked. data should be
                // pet's GUIDLow since we set that as the waypoint ID
                if (data == me->GetGUID().GetCounter() && me->GetCharmInfo()->IsReturning())
                {
                    ClearCharmInfoFlags();
                    me->GetCharmInfo()->SetIsAtStay(true);
                    me->GetMotionMaster()->Clear();
                    me->GetMotionMaster()->MoveIdle();
                }
                break;
            }
        case FOLLOW_MOTION_TYPE:
            {
                // If data is owner's GUIDLow then we've reached follow point,
                // otherwise we're probably chasing a creature
                if (me->GetCharmerOrOwner() && me->GetCharmInfo() && data == me->GetCharmerOrOwner()->GetGUID().GetCounter() && me->GetCharmInfo()->IsReturning())
                {
                    ClearCharmInfoFlags();
                    me->GetCharmInfo()->SetIsFollowing(true);
                }
                break;
            }
        default:
            break;
    }
}

References MotionMaster::Clear(), ClearCharmInfoFlags(), FOLLOW_MOTION_TYPE, Unit::GetCharmerOrOwner(), Unit::GetCharmInfo(), ObjectGuid::GetCounter(), Object::GetGUID(), Unit::GetMotionMaster(), CharmInfo::IsReturning(), CreatureAI::me, MotionMaster::MoveIdle(), POINT_MOTION_TYPE, CharmInfo::SetIsAtStay(), and CharmInfo::SetIsFollowing().

◆ OwnerAttacked()

void PetAI::OwnerAttacked ( Unit * target )

overridevirtual

Reimplemented from CreatureAI.

{
    // Called when owner attacks something. Allows defensive pets to know
    //  that they need to assist
 
    // Target might be nullptr if called from spell with invalid cast targets
    if (!target)
        return;
 
    // Passive pets don't do anything
    if (me->HasReactState(REACT_PASSIVE))
        return;
 
    // Prevent pet from disengaging from current target
    if (me->GetVictim() && me->GetVictim()->IsAlive())
        return;
 
    // Continue to evaluate and attack if necessary
    AttackStart(target);
}

References AttackStart(), Unit::GetVictim(), Creature::HasReactState(), Unit::IsAlive(), CreatureAI::me, and REACT_PASSIVE.

◆ OwnerAttackedBy()

void PetAI::OwnerAttackedBy ( Unit * attacker )

overridevirtual

Reimplemented from CreatureAI.

{
    // Called when owner takes damage. This function helps keep pets from running off
    //  simply due to owner gaining aggro.
 
    if (!attacker)
        return;
 
    // Passive pets don't do anything
    if (me->HasReactState(REACT_PASSIVE))
        return;
 
    // Prevent pet from disengaging from current target
    if (me->GetVictim() && me->GetVictim()->IsAlive())
        return;
 
    // Continue to evaluate and attack if necessary
    AttackStart(attacker);
}

References AttackStart(), Unit::GetVictim(), Creature::HasReactState(), Unit::IsAlive(), CreatureAI::me, and REACT_PASSIVE.

◆ Permissible()

int32 PetAI::Permissible ( Creature const * creature )

static

{
    if (creature->HasUnitTypeMask(UNIT_MASK_CONTROLABLE_GUARDIAN))
    {
        if (reinterpret_cast<Guardian const*>(creature)->GetOwner()->GetTypeId() == TYPEID_PLAYER)
            return PERMIT_BASE_PROACTIVE;
        return PERMIT_BASE_REACTIVE;
    }
 
    return PERMIT_BASE_NO;
}

References Unit::HasUnitTypeMask(), PERMIT_BASE_NO, PERMIT_BASE_PROACTIVE, PERMIT_BASE_REACTIVE, TYPEID_PLAYER, and UNIT_MASK_CONTROLABLE_GUARDIAN.

◆ PetStopAttack()

void PetAI::PetStopAttack ( )

overridevirtual

Reimplemented from CreatureAI.

{
    _stopAttack();
}

References _stopAttack().

◆ ReceiveEmote()

void PetAI::ReceiveEmote	(	Player *	player,
		uint32	textEmote
	)

overridevirtual

Reimplemented from CreatureAI.

{
    if (me->GetOwnerGUID() && me->GetOwnerGUID() == player->GetGUID())
        switch (emote)
        {
            case TEXT_EMOTE_COWER:
                if (me->IsPet() && me->ToPet()->IsPetGhoul())
                    me->HandleEmoteCommand(/*EMOTE_ONESHOT_ROAR*/EMOTE_ONESHOT_OMNICAST_GHOUL);
                break;
            case TEXT_EMOTE_ANGRY:
                if (me->IsPet() && me->ToPet()->IsPetGhoul())
                    me->HandleEmoteCommand(/*EMOTE_ONESHOT_COWER*/EMOTE_STATE_STUN);
                break;
            case TEXT_EMOTE_GLARE:
                if (me->IsPet() && me->ToPet()->IsPetGhoul())
                    me->HandleEmoteCommand(EMOTE_STATE_STUN);
                break;
            case TEXT_EMOTE_SOOTHE:
                if (me->IsPet() && me->ToPet()->IsPetGhoul())
                    me->HandleEmoteCommand(EMOTE_ONESHOT_OMNICAST_GHOUL);
                break;
        }
}

References EMOTE_ONESHOT_OMNICAST_GHOUL, EMOTE_STATE_STUN, Object::GetGUID(), Unit::GetOwnerGUID(), Unit::HandleEmoteCommand(), Unit::IsPet(), Minion::IsPetGhoul(), CreatureAI::me, TEXT_EMOTE_ANGRY, TEXT_EMOTE_COWER, TEXT_EMOTE_GLARE, TEXT_EMOTE_SOOTHE, and Unit::ToPet().

◆ SelectNextTarget()

Unit * PetAI::SelectNextTarget ( bool allowAutoSelect ) const

private

{
    // Provides next target selection after current target death.
    // This function should only be called internally by the AI
    // Targets are not evaluated here for being valid targets, that is done in _CanAttack()
    // The parameter: allowAutoSelect lets us disable aggressive pet auto targeting for certain situations
 
    // Passive pets don't do next target selection
    if (me->HasReactState(REACT_PASSIVE))
        return nullptr;
 
    // Check pet attackers first so we don't drag a bunch of targets to the owner
    if (Unit* myAttacker = me->getAttackerForHelper())
        if (!myAttacker->HasBreakableByDamageCrowdControlAura() && me->CanCreatureAttack(myAttacker))
            return myAttacker;
 
    // Check pet's attackers first to prevent dragging mobs back to owner
    if (me->HasAuraType(SPELL_AURA_MOD_TAUNT))
    {
        const Unit::AuraEffectList& tauntAuras = me->GetAuraEffectsByType(SPELL_AURA_MOD_TAUNT);
        if (!tauntAuras.empty())
            for (Unit::AuraEffectList::const_reverse_iterator itr = tauntAuras.rbegin(); itr != tauntAuras.rend(); ++itr)
                if (Unit* caster = (*itr)->GetCaster())
                    if (me->CanCreatureAttack(caster) && !caster->HasAuraTypeWithCaster(SPELL_AURA_IGNORED, me->GetGUID()))
                        return caster;
    }
 
    // Not sure why we wouldn't have an owner but just in case...
    Unit* owner = me->GetCharmerOrOwner();
    if (!owner)
        return nullptr;
 
    // Check owner attackers
    if (Unit* ownerAttacker = owner->getAttackerForHelper())
        if (!ownerAttacker->HasBreakableByDamageCrowdControlAura() && me->CanCreatureAttack(ownerAttacker))
            return ownerAttacker;
 
    // Check owner victim
    // 3.0.2 - Pets now start attacking their owners victim in defensive mode as soon as the hunter does
    if (Unit* ownerVictim = owner->GetVictim())
        if (me->CanCreatureAttack(ownerVictim))
            return ownerVictim;
 
    // Neither pet or owner had a target and aggressive pets can pick any target
    // To prevent aggressive pets from chain selecting targets and running off, we
    // only select a random target if certain conditions are met.
    if (allowAutoSelect)
        if (!me->GetCharmInfo()->IsReturning() || me->GetCharmInfo()->IsFollowing() || me->GetCharmInfo()->IsAtStay())
            if (Unit* nearTarget = me->ToCreature()->SelectNearestTargetInAttackDistance(MAX_AGGRO_RADIUS))
                return nearTarget;
 
    // Default - no valid targets
    return nullptr;
}

References Creature::CanCreatureAttack(), Unit::getAttackerForHelper(), Unit::GetAuraEffectsByType(), Unit::GetCharmerOrOwner(), Unit::GetCharmInfo(), Object::GetGUID(), Unit::GetVictim(), Unit::HasAuraType(), Creature::HasReactState(), CharmInfo::IsAtStay(), CharmInfo::IsFollowing(), CharmInfo::IsReturning(), MAX_AGGRO_RADIUS, CreatureAI::me, REACT_PASSIVE, Creature::SelectNearestTargetInAttackDistance(), SPELL_AURA_IGNORED, SPELL_AURA_MOD_TAUNT, and Object::ToCreature().

Referenced by KilledUnit(), and UpdateAI().

◆ SpellHit()

void PetAI::SpellHit	(	Unit *	caster,
		SpellInfo const *	spellInfo
	)

overridevirtual

Reimplemented from CreatureAI.

{
    // Xinef: taunt behavior code
    if (spellInfo->HasAura(SPELL_AURA_MOD_TAUNT) && !me->HasReactState(REACT_PASSIVE))
    {
        me->GetCharmInfo()->SetForcedSpell(0);
        me->GetCharmInfo()->SetForcedTargetGUID();
 
        if (CanAttack(caster, spellInfo))
        {
            // Only chase if not commanded to stay or if stay but commanded to attack
            DoAttack(caster, (!me->GetCharmInfo()->HasCommandState(COMMAND_STAY) || me->GetCharmInfo()->IsCommandAttack()));
        }
    }
}

References CanAttack(), COMMAND_STAY, DoAttack(), Unit::GetCharmInfo(), SpellInfo::HasAura(), CharmInfo::HasCommandState(), Creature::HasReactState(), CharmInfo::IsCommandAttack(), CreatureAI::me, REACT_PASSIVE, CharmInfo::SetForcedSpell(), CharmInfo::SetForcedTargetGUID(), and SPELL_AURA_MOD_TAUNT.

◆ UpdateAI()

void PetAI::UpdateAI ( uint32 diff )

overridevirtual

Implements UnitAI.

{
    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())
        {
            LOG_DEBUG("entities.unit.ai", "Pet AI stopped attacking [{}]", me->GetGUID().ToString());
            _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->IsPet() && me->ToPet()->HasTempSpell()) && !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(), std::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 (exlude auras with infinity duration)
                    if (!me->IsInCombat() && spellInfo->GetMaxDuration() != -1 && !me->IsPetInCombat())
                    {
                        continue;
                    }
                }
 
                Spell* spell = new Spell(me, spellInfo, TRIGGERED_NONE);
                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 (ObjectGuid const& guid : m_AllySet)
                    {
                        Unit* ally = ObjectAccessor::GetUnit(*me, guid);
 
                        //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);
                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;
    }
}

References _doMeleeAttack(), _needToStop(), _stopAttack(), ACT_ENABLED, Creature::AddSpellCooldown(), AttackStart(), CanAttack(), Spell::CanAutoCast(), SpellInfo::CanBeUsedInCombat(), MotionMaster::Clear(), COMMAND_STAY, Unit::getAttackerForHelper(), Unit::GetCharmerOrOwner(), Unit::GetCharmInfo(), CharmInfo::GetForcedSpell(), CharmInfo::GetForcedTarget(), CharmInfo::GetGlobalCooldownMgr(), Object::GetGUID(), SpellInfo::GetMaxDuration(), Unit::GetMotionMaster(), Creature::GetPetAutoSpellOnPos(), Creature::GetPetAutoSpellSize(), Unit::GetPower(), Player::GetSession(), Object::GetTypeId(), ObjectAccessor::GetUnit(), Unit::GetVictim(), WorldSession::HandlePetActionHelper(), HandleReturnMovement(), Unit::HasBreakableByDamageCrowdControlAura(), CharmInfo::HasCommandState(), GlobalCooldownMgr::HasGlobalCooldown(), Position::HasInArc(), Creature::HasReactState(), Creature::HasSpellCooldown(), Pet::HasTempSpell(), Unit::HasUnitState(), SpellInfo::Id, Unit::InterruptNonMeleeSpells(), Unit::IsAlive(), CharmInfo::IsAtStay(), CharmInfo::IsCommandAttack(), Unit::IsInCombat(), Unit::IsPet(), Minion::IsPetGhoul(), Unit::IsPetInCombat(), SpellInfo::IsPositive(), Unit::IsWithinMeleeRange(), Spell::LoadScripts(), LOG_DEBUG, m_AllySet, Spell::m_spellInfo, m_updateAlliesTimer, CreatureAI::me, POWER_ENERGY, Spell::prepare(), REACT_AGGRESSIVE, REACT_PASSIVE, SelectNextTarget(), Object::SendUpdateToPlayer(), Unit::SetInFront(), SpellCastTargets::SetUnitTarget(), sSpellMgr, Unit::StopMoving(), Unit::ToPet(), Object::ToPlayer(), ObjectGuid::ToString(), TRIGGERED_NONE, TYPEID_PLAYER, UNIT_STATE_CASTING, UpdateAllies(), and urand().

◆ UpdateAllies()

void PetAI::UpdateAllies ( )

private

{
    Unit* owner = me->GetCharmerOrOwner();
    Group* group = nullptr;
 
    m_updateAlliesTimer = 10 * IN_MILLISECONDS;              //update friendly targets every 10 seconds, lesser checks increase performance
 
    if (!owner)
        return;
    else if (owner->GetTypeId() == TYPEID_PLAYER)
        group = owner->ToPlayer()->GetGroup();
 
    //only pet and owner/not in group->ok
    if (m_AllySet.size() == 2 && !group)
        return;
    //owner is in group; group members filled in already (no raid -> subgroupcount = whole count)
    if (group && !group->isRaidGroup() && m_AllySet.size() == (group->GetMembersCount() + 2))
        return;
 
    m_AllySet.clear();
    m_AllySet.insert(me->GetGUID());
    if (group)                                              //add group
    {
        for (GroupReference* itr = group->GetFirstMember(); itr != nullptr; itr = itr->next())
        {
            Player* Target = itr->GetSource();
            if (!Target || !Target->IsInMap(owner) || !group->SameSubGroup(owner->ToPlayer(), Target))
                continue;
 
            if (Target->GetGUID() == owner->GetGUID())
                continue;
 
            m_AllySet.insert(Target->GetGUID());
        }
    }
    else                                                    //remove group
        m_AllySet.insert(owner->GetGUID());
}

References Unit::GetCharmerOrOwner(), Group::GetFirstMember(), Player::GetGroup(), Object::GetGUID(), Group::GetMembersCount(), Object::GetTypeId(), IN_MILLISECONDS, WorldObject::IsInMap(), Group::isRaidGroup(), m_AllySet, m_updateAlliesTimer, CreatureAI::me, GroupReference::next(), Group::SameSubGroup(), Object::ToPlayer(), and TYPEID_PLAYER.

Referenced by PetAI(), and UpdateAI().

Member Data Documentation

◆ combatRange

float PetAI::combatRange

private

Referenced by _canMeleeAttack(), and DoAttack().

◆ i_tracker

TimeTracker PetAI::i_tracker

private

◆ m_AllySet

GuidSet PetAI::m_AllySet

private

Referenced by UpdateAI(), and UpdateAllies().

◆ m_updateAlliesTimer

uint32 PetAI::m_updateAlliesTimer

private

Referenced by UpdateAI(), and UpdateAllies().

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PetAI()

Member Function Documentation

◆ _canMeleeAttack()

◆ _doMeleeAttack()

◆ _isVisible()

◆ _needToStop()

◆ _stopAttack()

◆ AttackedBy()

◆ AttackStart()

◆ CanAttack()

◆ ClearCharmInfoFlags()

◆ DoAttack()

◆ EnterEvadeMode()

◆ HandleReturnMovement()

◆ KilledUnit()

◆ MoveInLineOfSight()

◆ MoveInLineOfSight_Safe()

◆ MovementInform()

◆ OwnerAttacked()

◆ OwnerAttackedBy()

◆ Permissible()

◆ PetStopAttack()

◆ ReceiveEmote()

◆ SelectNextTarget()

◆ SpellHit()

◆ UpdateAI()

◆ UpdateAllies()

Member Data Documentation

◆ combatRange

◆ i_tracker

◆ m_AllySet

◆ m_updateAlliesTimer