HostileReference Class Reference

#include "ThreatMgr.h"

Inheritance diagram for HostileReference:

Public Member Functions
	HostileReference (Unit *refUnit, ThreatMgr *threatMgr, float threat)
Unit *	GetOwner () const
Unit *	GetVictim () const
void	AddThreat (float modThreat)
void	SetThreat (float threat)
void	addThreatPercent (int32 percent)
float	GetThreat () const
void	ClearThreat ()
bool	IsOnline () const
bool	IsAvailable () const
bool	IsOffline () const
void	setTempThreat (float threat)
void	addTempThreat (float threat)
void	resetTempThreat ()
float	getTempThreatModifier ()
void	updateOnlineStatus ()
void	setOnlineOfflineState (bool isOnline)
bool	operator== (const HostileReference &hostileRef) const
ObjectGuid	getUnitGuid () const
void	removeReference ()
HostileReference *	next ()
void	targetObjectBuildLink () override
void	targetObjectDestroyLink () override
void	sourceObjectDestroyLink () override
Public Member Functions inherited from Reference< Unit, ThreatMgr >
	Reference ()
virtual	~Reference ()=default
void	link (Unit *toObj, ThreatMgr *fromObj)
void	unlink ()
void	invalidate ()
bool	isValid () const
Reference< Unit, ThreatMgr > *	next ()
Reference< Unit, ThreatMgr > const *	next () const
Reference< Unit, ThreatMgr > *	prev ()
Reference< Unit, ThreatMgr > const *	prev () const
Reference< Unit, ThreatMgr > *	nocheck_next ()
Reference< Unit, ThreatMgr > const *	nocheck_next () const
Reference< Unit, ThreatMgr > *	nocheck_prev ()
Reference< Unit, ThreatMgr > const *	nocheck_prev () const
Unit *	operator-> () const
Unit *	getTarget () const
ThreatMgr *	GetSource () const
Public Member Functions inherited from LinkedListElement
	LinkedListElement ()=default
	~LinkedListElement ()
bool	hasNext () const
bool	hasPrev () const
bool	isInList () const
LinkedListElement *	next ()
LinkedListElement const *	next () const
LinkedListElement *	prev ()
LinkedListElement const *	prev () const
LinkedListElement *	nocheck_next ()
LinkedListElement const *	nocheck_next () const
LinkedListElement *	nocheck_prev ()
LinkedListElement const *	nocheck_prev () const
void	delink ()
void	insertBefore (LinkedListElement *pElem)
void	insertAfter (LinkedListElement *pElem)

Private Member Functions
void	fireStatusChanged (ThreatRefStatusChangeEvent &threatRefStatusChangeEvent)
Unit *	GetSourceUnit ()

Private Attributes
float	iThreat
float	iTempThreatModifier
ObjectGuid	iUnitGuid
bool	iOnline

Additional Inherited Members
virtual void	targetObjectBuildLink ()=0
virtual void	targetObjectDestroyLink ()=0
virtual void	sourceObjectDestroyLink ()=0

Detailed Description

Constructor & Destructor Documentation

HostileReference()

HostileReference::HostileReference	(	Unit *	refUnit,
		ThreatMgr *	threatMgr,
		float	threat
	)

{
    iThreat = threat;
    iTempThreatModifier = 0.0f;
    link(refUnit, threatMgr);
    iUnitGuid = refUnit->GetGUID();
    iOnline = true;
}

References Object::GetGUID(), iOnline, iTempThreatModifier, iThreat, iUnitGuid, and Reference< Unit, ThreatMgr >::link().

Member Function Documentation

addTempThreat()

void HostileReference::addTempThreat ( float  threat )

inline

    {
        iTempThreatModifier = threat;
        if (iTempThreatModifier != 0.0f)
            AddThreat(iTempThreatModifier);
    }

References AddThreat(), and iTempThreatModifier.

Referenced by HostileRefMgr::addTempThreat(), and setTempThreat().

AddThreat()

void HostileReference::AddThreat

(

float

modThreat

)

{
    iThreat += modThreat;
    // the threat is changed. Source and target unit have to be available
    // if the link was cut before relink it again
    if (!IsOnline())
        updateOnlineStatus();
    if (modThreat != 0.0f)
    {
        ThreatRefStatusChangeEvent event(UEV_THREAT_REF_THREAT_CHANGE, this, modThreat);
        fireStatusChanged(event);
    }
 
    if (isValid() && modThreat >= 0.0f)
    {
        Unit* target = getTarget();
        if (target->GetEntry() != NPC_EYE_OF_KILROGG) // Excluded Eye of Kilrogg
        {
            Unit* victimOwner = target->GetCharmerOrOwner();
            if (victimOwner && victimOwner->IsAlive())
            {
                GetSource()->AddThreat(victimOwner, 0.0f); // create a threat to the owner of a pet, if the pet attacks
            }
        }
    }
}

References ThreatMgr::AddThreat(), fireStatusChanged(), Unit::GetCharmerOrOwner(), Object::GetEntry(), Reference< Unit, ThreatMgr >::GetSource(), Reference< Unit, ThreatMgr >::getTarget(), Unit::IsAlive(), IsOnline(), Reference< Unit, ThreatMgr >::isValid(), iThreat, NPC_EYE_OF_KILROGG, UEV_THREAT_REF_THREAT_CHANGE, and updateOnlineStatus().

Referenced by ThreatMgr::_addThreat(), addTempThreat(), ThreatContainer::AddThreat(), addThreatPercent(), npc_pet_mage_mirror_image::InitializeAI(), resetTempThreat(), and SetThreat().

addThreatPercent()

void HostileReference::addThreatPercent

(

int32

percent

)

{
    // Xinef: Do not allow to modify threat by percent if threat is negative (forced to big value < 0 by spells adding temporary threat)
    // Xinef: When the temporary effect ends, temporary threat is added back which results in huge additional amount of threat
    if (iThreat <= 0)
        return;
 
    float tmpThreat = iThreat;
    AddPct(tmpThreat, percent);
    AddThreat(tmpThreat - iThreat);
}

References AddPct(), AddThreat(), and iThreat.

Referenced by HostileRefMgr::addThreatPercent().

ClearThreat()

void HostileReference::ClearThreat ( )

inline

{ removeReference(); }

References removeReference().

fireStatusChanged()

void HostileReference::fireStatusChanged ( ThreatRefStatusChangeEvent &  threatRefStatusChangeEvent )

private

{
    if (GetSource())
        GetSource()->processThreatEvent(&threatRefStatusChangeEvent);
}

References Reference< Unit, ThreatMgr >::GetSource(), and ThreatMgr::processThreatEvent().

Referenced by AddThreat(), removeReference(), and setOnlineOfflineState().

GetOwner()

Unit * HostileReference::GetOwner

(

)

const

{ return GetSource()->GetOwner(); }

References ThreatMgr::GetOwner(), and Reference< Unit, ThreatMgr >::GetSource().

Referenced by GetSourceUnit().

GetSourceUnit()

Unit * HostileReference::GetSourceUnit ( )

private

{
    return (GetSource()->GetOwner());
}

References GetOwner(), and Reference< Unit, ThreatMgr >::GetSource().

Referenced by updateOnlineStatus().

getTempThreatModifier()

float HostileReference::getTempThreatModifier ( )

inline

{ return iTempThreatModifier; }

References iTempThreatModifier.

Referenced by HostileRefMgr::addTempThreat(), ThreatMgr::getThreatWithoutTemp(), npc_pet_mage_mirror_image::InitializeAI(), and ThreatMgr::tauntApply().

GetThreat()

float HostileReference::GetThreat ( ) const

inline

{ return iThreat; }

References iThreat.

Referenced by Spell::EffectTaunt(), ThreatMgr::GetThreat(), ThreatMgr::getThreatWithoutTemp(), debug_commandscript::HandleDebugHostileRefListCommand(), npc_pet_mage_mirror_image::InitializeAI(), Acore::ThreatOrderPred::operator()(), ThreatMgr::processThreatEvent(), ThreatContainer::SelectNextVictim(), setTempThreat(), SetThreat(), and ThreatMgr::tauntApply().

getUnitGuid()

ObjectGuid HostileReference::getUnitGuid ( ) const

inline

{ return iUnitGuid; }

References iUnitGuid.

Referenced by ThreatContainer::getReferenceByTarget(), Unit::IsInCombatWith(), operator==(), ThreatMgr::processThreatEvent(), Unit::SendChangeCurrentVictimOpcode(), Unit::SendRemoveFromThreatListOpcode(), and updateOnlineStatus().

GetVictim()

Unit * HostileReference::GetVictim ( ) const

inline

{ return getTarget(); }

References Reference< Unit, ThreatMgr >::getTarget().

IsAvailable()

bool HostileReference::IsAvailable ( ) const

inline

{ return iOnline; } // unused for now

References iOnline.

IsOffline()

bool HostileReference::IsOffline ( ) const

inline

{ return !iOnline; } // unused for now

References iOnline.

IsOnline()

bool HostileReference::IsOnline ( ) const

inline

{ return iOnline; }

References iOnline.

Referenced by AddThreat(), debug_commandscript::HandleDebugHostileRefListCommand(), and ThreatMgr::processThreatEvent().

next()

HostileReference * HostileReference::next ( )

inline

{ return ((HostileReference*) Reference<Unit, ThreatMgr>::next()); }

Referenced by HostileRefMgr::addTempThreat(), HostileRefMgr::addThreatPercent(), HostileRefMgr::deleteReference(), HostileRefMgr::deleteReferences(), HostileRefMgr::deleteReferencesForFaction(), HostileRefMgr::deleteReferencesOutOfRange(), debug_commandscript::HandleDebugHostileRefListCommand(), npc_pet_mage_mirror_image::InitializeAI(), HostileRefMgr::setOnlineOfflineState(), Unit::SetPhaseMask(), HostileRefMgr::threatAssist(), Map::Update(), HostileRefMgr::updateThreatTables(), and HostileRefMgr::UpdateVisibility().

operator==()

bool HostileReference::operator== ( const HostileReference &  hostileRef ) const

inline

{ return hostileRef.getUnitGuid() == getUnitGuid(); }

References getUnitGuid().

removeReference()

void HostileReference::removeReference

(

)

{
    invalidate();
 
    ThreatRefStatusChangeEvent event(UEV_THREAT_REF_REMOVE_FROM_LIST, this);
    fireStatusChanged(event);
}

References fireStatusChanged(), Reference< Unit, ThreatMgr >::invalidate(), and UEV_THREAT_REF_REMOVE_FROM_LIST.

Referenced by ClearThreat(), HostileRefMgr::deleteReference(), HostileRefMgr::deleteReferences(), HostileRefMgr::deleteReferencesForFaction(), HostileRefMgr::deleteReferencesOutOfRange(), and HostileRefMgr::UpdateVisibility().

resetTempThreat()

void HostileReference::resetTempThreat ( )

inline

    {
        if (iTempThreatModifier != 0.0f)
        {
            AddThreat(-iTempThreatModifier);
            iTempThreatModifier = 0.0f;
        }
    }

References AddThreat(), and iTempThreatModifier.

Referenced by HostileRefMgr::addTempThreat(), and ThreatMgr::tauntFadeOut().

setOnlineOfflineState()

void HostileReference::setOnlineOfflineState

(

bool

isOnline

)

{
    if (iOnline != isOnline)
    {
        iOnline = isOnline;
 
        ThreatRefStatusChangeEvent event(UEV_THREAT_REF_ONLINE_STATUS, this);
        fireStatusChanged(event);
    }
}

References fireStatusChanged(), iOnline, and UEV_THREAT_REF_ONLINE_STATUS.

Referenced by ThreatMgr::_addThreat(), HostileRefMgr::setOnlineOfflineState(), sourceObjectDestroyLink(), and updateOnlineStatus().

setTempThreat()

void HostileReference::setTempThreat ( float  threat )

inline

    {
        addTempThreat(threat - GetThreat());
    }

References addTempThreat(), and GetThreat().

Referenced by ThreatMgr::tauntApply().

SetThreat()

void HostileReference::SetThreat ( float  threat )

inline

{ AddThreat(threat - GetThreat()); }

References AddThreat(), and GetThreat().

sourceObjectDestroyLink()

void HostileReference::sourceObjectDestroyLink ( )

overridevirtual

Implements Reference< Unit, ThreatMgr >.

{
    setOnlineOfflineState(false);
}

References setOnlineOfflineState().

targetObjectBuildLink()

void HostileReference::targetObjectBuildLink ( )

overridevirtual

Implements Reference< Unit, ThreatMgr >.

{
    getTarget()->addHatedBy(this);
}

References Unit::addHatedBy(), and Reference< Unit, ThreatMgr >::getTarget().

targetObjectDestroyLink()

void HostileReference::targetObjectDestroyLink ( )

overridevirtual

Implements Reference< Unit, ThreatMgr >.

{
    getTarget()->removeHatedBy(this);
}

References Reference< Unit, ThreatMgr >::getTarget(), and Unit::removeHatedBy().

updateOnlineStatus()

void HostileReference::updateOnlineStatus

(

)

{
    bool online = false;
 
    if (!isValid())
        if (Unit* target = ObjectAccessor::GetUnit(*GetSourceUnit(), getUnitGuid()))
            link(target, GetSource());
 
    // only check for online status if
    // ref is valid
    // target is no player or not gamemaster
    // target is not in flight
    if (isValid()
            && (getTarget()->GetTypeId() != TYPEID_PLAYER || !getTarget()->ToPlayer()->IsGameMaster())
            && !getTarget()->IsInFlight()
            && getTarget()->IsInMap(GetSourceUnit())
            && getTarget()->InSamePhase(GetSourceUnit())
       )
    {
        Creature* creature = GetSourceUnit()->ToCreature();
        online = getTarget()->isInAccessiblePlaceFor(creature);
        if (!online)
        {
            if (creature->IsWithinCombatRange(getTarget(), creature->m_CombatDistance))
                online = true;                              // not accessible but stays online
        }
    }
 
    setOnlineOfflineState(online);
}

References Reference< Unit, ThreatMgr >::GetSource(), GetSourceUnit(), Reference< Unit, ThreatMgr >::getTarget(), ObjectAccessor::GetUnit(), getUnitGuid(), Unit::isInAccessiblePlaceFor(), Reference< Unit, ThreatMgr >::isValid(), Unit::IsWithinCombatRange(), Reference< Unit, ThreatMgr >::link(), Creature::m_CombatDistance, setOnlineOfflineState(), Object::ToCreature(), and TYPEID_PLAYER.

Referenced by AddThreat(), and HostileRefMgr::updateThreatTables().

Member Data Documentation

iOnline

bool HostileReference::iOnline

private

Referenced by HostileReference(), IsAvailable(), IsOffline(), IsOnline(), and setOnlineOfflineState().

iTempThreatModifier

float HostileReference::iTempThreatModifier

private

Referenced by addTempThreat(), getTempThreatModifier(), HostileReference(), and resetTempThreat().

iThreat

float HostileReference::iThreat

private

Referenced by AddThreat(), addThreatPercent(), GetThreat(), and HostileReference().

iUnitGuid

ObjectGuid HostileReference::iUnitGuid

private

Referenced by getUnitGuid(), and HostileReference().