自学教程：C++ IsInWorld函数代码示例

void CGrenade::DangerSoundThink( void ){	if (!IsInWorld())	{		UTIL_Remove( this );		return;	}	CSoundEnt::InsertSound ( bits_SOUND_DANGER, pev->origin + pev->velocity * 0.5, pev->velocity.Length( ), 0.2 );	pev->nextthink = gpGlobals->time + 0.2;		if (pev->waterlevel != 0)	{		pev->velocity = pev->velocity * 0.5;	}}

void TempSummon::UnSummon(){    //ASSERT(!isPet());    if (isPet())    {        ((Pet*)this)->Remove(PET_SAVE_NOT_IN_SLOT);        ASSERT(!IsInWorld());        return;    }    Unit* owner = GetSummoner();    if (owner && owner->GetTypeId() == TYPEID_UNIT && owner->ToCreature()->IsAIEnabled)        owner->ToCreature()->AI()->SummonedCreatureDespawn(this);    AddObjectToRemoveList();}

void Player::SendChatMessage(const char *format, ...){    if (!IsInWorld())        return;    if (format)    {        va_list ap;        char str [2048];        va_start(ap, format);        vsnprintf(str, 2048, format, ap);        va_end(ap);        ChatHandler(GetSession()).SendSysMessage(str);    }}

void TempSummon::RemoveFromWorld(){    if (!IsInWorld())        return;    if (m_Properties)        if (uint32 slot = m_Properties->Slot)            if (Unit* owner = GetSummoner())                if (owner->m_SummonSlot[slot] == GetGUID())                    owner->m_SummonSlot[slot] = 0;    //if (GetOwnerGUID())    //    sLog.outError("Unit %u has owner guid when removed from world", GetEntry());    Creature::RemoveFromWorld();}

void Transport::AddPassenger(WorldObject* passenger){    if (!IsInWorld())        return;    if (_passengers.insert(passenger).second)    {        passenger->SetTransport(this);        passenger->m_movementInfo.AddMovementFlag(MOVEMENTFLAG_ONTRANSPORT);        passenger->m_movementInfo.transport.guid = GetGUID();        TC_LOG_DEBUG("entities.transport", "Object %s boarded transport %s.", passenger->GetName().c_str(), GetName().c_str());        if (Player* plr = passenger->ToPlayer())            sScriptMgr->OnAddPassenger(this, plr);    }}

void Item::RemoveFromWorld(){    // if we have an owner->send destroy    if( m_owner != NULL )    {        DestroyForPlayer( m_owner );    }    if( !IsInWorld() )        return;    m_mapMgr->RemoveObject( TO_OBJECT(this), false );    m_mapMgr = NULLMAPMGR;    // update our event holder    event_Relocate();}

void Player::Reputation_OnTalk(FactionDBC * dbc){    // set faction visible if not visible    if(!dbc || dbc->RepListId < 0)        return;    FactionReputation * rep = reputationByListId[dbc->RepListId];    if(!rep)        return;    if(!Visible(rep->flag))    {        SetFlagVisible(rep->flag);        if(IsInWorld())            m_session->OutPacket(SMSG_SET_FACTION_VISIBLE, 4, &dbc->RepListId);    }}

void Item::RemoveFromWorld(){	// if we have an owner->send destroy	if( m_owner != NULL )	{		DestroyForPlayer( m_owner );	}	if( !IsInWorld() )		return;	mSemaphoreTeleport = true;	m_mapMgr->RemoveObject( this, false );	m_mapMgr = NULL;  	// update our event holder	event_Relocate();}

void CGrenade::DangerSoundThink( void ){	if( !IsInWorld( ))	{		UTIL_Remove( this );		return;	}	CSoundEnt::InsertSound( bits_SOUND_DANGER, GetAbsOrigin() + GetAbsVelocity() * 0.5, GetAbsVelocity().Length( ), 0.2 );	pev->nextthink = gpGlobals->time + 0.2;	if( pev->waterlevel != 0 )	{		Vector vecVelocity = GetAbsVelocity();		vecVelocity *= 0.5f;		SetAbsVelocity( vecVelocity );	}}

void Vehicle::Despawn(uint32 delay, uint32 respawntime){	if(delay)	{		sEventMgr.AddEvent(TO_VEHICLE(this), &Vehicle::Despawn, (uint32)0, respawntime, EVENT_VEHICLE_RESPAWN, delay, 1,0);		return;	}	if(!IsInWorld())		return;	if(respawntime)	{		for(int i = 0; i < 8; i++)		{			if(m_passengers[i] != NULL)			{				if(m_passengers[i]->IsPlayer())					// Remove any passengers					RemovePassenger(m_passengers[i]);				else					m_passengers[i]->Destruct();			}		}		/* get the cell with our SPAWN location. if we've moved cell this might break :P */		MapCell * pCell = m_mapMgr->GetCellByCoords(m_spawnLocation.x, m_spawnLocation.y);		if(!pCell)			pCell = m_mapCell;		ASSERT(pCell);		pCell->_respawnObjects.insert(TO_OBJECT(this));		sEventMgr.RemoveEvents(this);		sEventMgr.AddEvent(m_mapMgr, &MapMgr::EventRespawnVehicle, TO_VEHICLE(this), pCell, EVENT_VEHICLE_RESPAWN, respawntime, 1, 0);		Unit::RemoveFromWorld(false);		m_position = m_spawnLocation;		m_respawnCell=pCell;	}	else	{		Unit::RemoveFromWorld(true);		SafeDelete();	}}

void TempSummon::UnSummon(){    //ASSERT(!isPet());    if (isPet())    {        if (((Pet*)this)->getPetType() == HUNTER_PET)            ((Pet*)this)->Remove(PET_SLOT_ACTUAL_PET_SLOT);        else            ((Pet*)this)->Remove(PET_SLOT_OTHER_PET);        ASSERT(!IsInWorld());        return;    }    Unit* owner = GetSummoner();    if (owner && owner->GetTypeId() == TYPEID_UNIT && owner->ToCreature()->IsAIEnabled)        owner->ToCreature()->AI()->SummonedCreatureDespawn(this);    AddObjectToRemoveList();}

void Player::Reputation_OnTalk(FactionDBC* dbc){	// set faction visible if not visible	if(dbc == NULL || dbc->RepListId < 0)		return;	FactionReputation* rep = reputationByListId[dbc->RepListId];	if(rep == NULL)		return;	if(SetFlagVisible(rep->flag, true) && IsInWorld())	{		m_session->OutPacket(SMSG_SET_FACTION_VISIBLE, 4, &dbc->RepListId);#ifdef OPTIMIZED_PLAYER_SAVING		save_Reputation();#endif	}}

void TempSummon::RemoveFromWorld(){    if (!IsInWorld())        return;    if (m_Properties)    {        int32 slot = m_Properties->Slot;        if (slot > 0)            if (Unit* owner = GetSummoner())                if (owner->m_SummonSlot[slot] == GetGUID())                    owner->m_SummonSlot[slot] = 0;    }    //if (GetOwnerGUID())    //    TC_LOG_ERROR("entities.unit", "Unit %u has owner guid when removed from world", GetEntry());    Creature::RemoveFromWorld();}

void DynamicObject::Remove(){	// remove aura from all targets	DynamicObjectList::iterator jtr  = targets.begin();	DynamicObjectList::iterator jend = targets.end();	Unit * target;	while(jtr != jend)	{		target = GetMapMgr() ? GetMapMgr()->GetUnit(*jtr) : NULL;		++jtr;		if (target != NULL)			target->RemoveAura(m_spellProto->Id);	}	if(IsInWorld())		RemoveFromWorld(true);	delete this;}

void AreaTrigger::RemoveFromWorld(){    ///- Remove the AreaTrigger from the accessor and from all lists of objects in world    if (IsInWorld())    {        _isRemoved = true;        if (Unit* caster = GetCaster())            caster->_UnregisterAreaTrigger(this);        // Handle removal of all units, calling OnUnitExit & deleting auras if needed        HandleUnitEnterExit({});        _ai->OnRemove();        WorldObject::RemoveFromWorld();        GetMap()->GetObjectsStore().Remove<AreaTrigger>(GetGUID());    }}

void CGib::WaitTillLand(){	if (!IsInWorld())	{		UTIL_Remove(this);		return;	}	if (pev->velocity == g_vecZero)	{		SetThink(&CBaseEntity::SUB_StartFadeOut);		pev->nextthink = gpGlobals->time + m_lifeTime;#ifndef REGAMEDLL_FIXES		if (m_bloodColor != DONT_BLEED)			CSoundEnt::InsertSound(bits_SOUND_MEAT, pev->origin, 384, 25);#endif	}	else		pev->nextthink = gpGlobals->time + 0.5f;}

void CGrenade :: FragThink( void ){	if (!IsInWorld())	{		UTIL_Remove( this );		return;	}	StudioFrameAdvance( );	pev->nextthink = gpGlobals->time + 0.1;	CSoundEnt::InsertSound ( bits_SOUND_DANGER, pev->origin + pev->velocity * (pev->dmgtime - gpGlobals->time), 400, 0.1 );	if (pev->waterlevel != 0)	{		pev->velocity = pev->velocity * 0.5;		pev->framerate = 0.2;	}}

void Item::Destructor(){	sEventMgr.RemoveEvents( shared_from_this() );	EnchantmentMap::iterator itr;	for( itr = Enchantments.begin(); itr != Enchantments.end(); ++itr )	{		if( itr->second.Enchantment->type == 0 && itr->second.Slot == 0 && itr->second.ApplyTime == 0 && itr->second.Duration == 0 )		{			delete itr->second.Enchantment;			itr->second.Enchantment = NULL;		}	}	if( IsInWorld() )		RemoveFromWorld();	m_owner = NULLPLR;	Object::Destructor();}

void Pet::AddSpell(SpellEntry * sp){    // Cast on self if we're a passive spell    if(sp->Attributes & 64)    {        Spell * spell = new Spell(this, sp, true, false);        SpellCastTargets targets(this->GetGUID());        spell->prepare(&targets);        mSpells[sp] = 0x0100;    }    else    {        mSpells[sp] = DEFAULT_SPELL_STATE;        // Create the AI_Spell        CreateAISpell(sp);    }        if(IsInWorld())        SendSpellsToOwner();}

void DynamicObject::RemoveFromWorld(){    // Remove the dynamicObject from the accessor    if (IsInWorld())    {        if (m_isWorldObject)        {            if (Unit *caster = GetCaster())            {                if (caster->GetTypeId() == TYPEID_PLAYER)                    ((Player*)caster)->SetViewpoint(this, false);            }            else            {                sLog->outCrash("DynamicObject::RemoveFromWorld cannot find viewpoint owner");            }        }        WorldObject::RemoveFromWorld();        sObjectAccessor->RemoveObject(this);    }}

void CMGrenade :: TumbleThink( void ){	if (!IsInWorld())	{		UTIL_Remove( this->edict() );		return;	}	StudioFrameAdvance( );	pev->nextthink = gpGlobals->time + 0.1;	if (pev->dmgtime <= gpGlobals->time)	{		SetThink( Detonate );	}	if (pev->waterlevel != 0)	{		pev->velocity = pev->velocity * 0.5;		pev->framerate = 0.2;	}}

void AreaTrigger::InitCircularMovement(AreaTriggerCircularMovementInfo const& cmi, uint32 timeToTarget){    // Circular movement requires either a center position or an attached unit    ASSERT(cmi.Center.is_initialized() || cmi.PathTarget.is_initialized());    // should be sent in object create packets only    m_uint32Values[AREATRIGGER_TIME_TO_TARGET] = timeToTarget;    _circularMovementInfo = cmi;    _circularMovementInfo->TimeToTarget = timeToTarget;    _circularMovementInfo->ElapsedTimeForMovement = 0;    if (IsInWorld())    {        WorldPackets::AreaTrigger::AreaTriggerRePath reshape;        reshape.TriggerGUID = GetGUID();        reshape.AreaTriggerCircularMovement = _circularMovementInfo;        SendMessageToSet(reshape.Write(), true);    }}

void TempSummon::UnSummon(uint32 msTime) {	if (msTime) {		ForcedUnsummonDelayEvent *pEvent = new ForcedUnsummonDelayEvent(*this);		m_Events.AddEvent(pEvent, m_Events.CalculateTime(msTime));		return;	}	//ASSERT(!isPet());	if (isPet()) {		((Pet*) this)->Remove(PET_SLOT_OTHER_PET);		ASSERT(!IsInWorld());		return;	}	Unit* owner = GetSummoner();	if (owner && owner->GetTypeId() == TYPEID_UNIT			&& owner->ToCreature()->IsAIEnabled)		owner->ToCreature()->AI()->SummonedCreatureDespawn(this);	AddObjectToRemoveList();}

    void ActorRigid::RemoveFromWorld()    {        if( !IsInWorld() )            return;        try{            Physics::PhysicsManager* PhysMan = Entresol::GetSingletonPtr()->GetPhysicsManager();            btSoftRigidDynamicsWorld* BWorld = PhysMan->_GetPhysicsWorldPointer();            BWorld->removeRigidBody(this->PhysicsRigidBody);            DetachAllChildren();        }catch (...) {            Entresol::GetSingletonPtr()->Log("Failed to locate PhysicsManager While Destructing ActorRigid. This is not a problem if already shutting down.");        }        //first remove any collision metadata        /*if( !CurrentCollisions.empty() )        {            PhysMan->RemoveCollisionsContainingActor(this);        }// */        this->DetachFromGraphics();    }

void AreaTrigger::Remove(){    if (IsInWorld())    {        // TODO: Find a better place for this        SpellInfo const* m_spellInfo = sSpellMgr->GetSpellInfo(GetUInt32Value(AREATRIGGER_FIELD_SPELL_ID));        if (!m_spellInfo)            return;        switch (m_spellInfo->Id)        {            case 116011: // Rune of Power : Remove the buff if caster is still in radius                if (m_caster && m_caster->HasAura(116014))                    m_caster->RemoveAura(116014);                break;        }        SendObjectDeSpawnAnim(GetGUID());        RemoveFromWorld();        AddObjectToRemoveList();    }}

//-----------------------------------------------------------------------------// Purpose://-----------------------------------------------------------------------------void CTFWeaponBaseGrenadeProj::DetonateThink( void ){	if ( !IsInWorld() )	{		Remove( );		return;	}	if ( gpGlobals->curtime > m_flCollideWithTeammatesTime && m_bCollideWithTeammates == false )	{		m_bCollideWithTeammates = true;	}	if ( gpGlobals->curtime > m_flDetonateTime )	{		Detonate();		return;	}	SetNextThink( gpGlobals->curtime + 0.2 );}