自学教程：C++ GET_TYPE_FROM_GUID函数代码示例

bool ChatHandler::HandleWPStandStateCommand(const char* args, WorldSession *m_session){    uint64 guid = m_session->GetPlayer()->GetSelection();    if (guid == 0)    {        SystemMessage(m_session, "No selection.");        return true;    }    if(GET_TYPE_FROM_GUID(guid) != HIGHGUID_TYPE_WAYPOINT)    {        SystemMessage(m_session, "You should select a Waypoint.");        return true;    }    Player* pPlayer = m_session->GetPlayer();    AIInterface* ai = pPlayer->waypointunit;    if(!ai || !ai->GetUnit())    {        SystemMessage(m_session, "Invalid Creature, please select another one.");        return true;    }    uint32 StandState = 0;    std::stringstream ss;    uint32 wpid = GUID_LOPART(guid);    if(wpid)    {        WayPoint* wp = ai->getWayPoint(wpid);        if(wp)        {            char* pBackwards = strtok((char*)args, " ");            uint32 Backwards = (pBackwards)? atoi(pBackwards) : 0;            char* pStandState = strtok(NULL, " ");            StandState = (pStandState)? atoi(pStandState) : 0;            StandState = StandState > 8 ? 0 : StandState;            if(Backwards)            {                if(wp->backwardInfo == NULL)                    wp->backwardInfo = new ConditionalData();                wp->backwardInfo->StandState = StandState;                ss << "Backward StandState for Waypoint " << wpid << " is now " << StandState;            }            else            {                if(wp->forwardInfo == NULL)                    wp->forwardInfo = new ConditionalData();                wp->forwardInfo->StandState = StandState;                ss << "Forward StandState for Waypoint " << wpid << " is now " << StandState;            }            //save wp            ai->saveWayPoints();        }        SystemMessage(m_session,  ss.str().c_str());    }    else        SystemMessage(m_session, "Invalid Waypoint.");    return true;}

Object* MapMgr::_GetObject(const uint64 & guid){	if(!guid)		return NULL;	switch(GET_TYPE_FROM_GUID(guid))	{		case	HIGHGUID_TYPE_GAMEOBJECT:			return GetGameObject(GET_LOWGUID_PART(guid));			break;		case HIGHGUID_TYPE_UNIT:		case HIGHGUID_TYPE_VEHICLE:			return GetCreature(GET_LOWGUID_PART(guid));			break;		case	HIGHGUID_TYPE_DYNAMICOBJECT:			return GetDynamicObject((uint32)guid);			break;		case	HIGHGUID_TYPE_TRANSPORTER:			return objmgr.GetTransporter(Arcemu::Util::GUID_LOPART(guid));			break;		default:			return GetUnit(guid);			break;	}}

bool ChatHandler::HandleWPSkinCommand(const char* args, WorldSession *m_session){	uint64 guid = m_session->GetPlayer()->GetSelection();	if (guid == 0)	{		SystemMessage(m_session,  "No selection.");		return true;	}	if(GET_TYPE_FROM_GUID(guid) != HIGHGUID_TYPE_WAYPOINT)	{		SystemMessage(m_session,  "You should select a Waypoint.");		return true;	}	Player* pPlayer = m_session->GetPlayer();	AIInterface* ai = pPlayer->waypointunit;	if(!ai || !ai->GetUnit())	{		SystemMessage(m_session, "Invalid Creature, please select another one.");		return true;	}	uint32 SkinId = 0;	std::stringstream ss;	uint32 wpid = GUID_LOPART(guid);	if(wpid)	{		WayPoint* wp = ai->getWayPoint(wpid);		if(wp)		{			char* pBackwards = strtok((char*)args, " ");			uint32 Backwards = (pBackwards)? atoi(pBackwards) : 0;			char* pSkinId = strtok(NULL, " ");			SkinId = (pSkinId)? atoi(pSkinId) : 0;			if(Backwards)			{				wp->backwardskinid = SkinId;			}			else			{				wp->forwardskinid = SkinId;			}			//save wp			ai->saveWayPoints();		}		ss << "SkinID for Waypoint " << wpid << " is now " << SkinId;		SystemMessage(m_session, ss.str().c_str());	}	else	{		SystemMessage(m_session, "Invalid Waypoint.");		return true;	}	return true;}

bool ChatHandler::HandleWPInfoCommand(const char* args, WorldSession *m_session){	uint64 guid = m_session->GetPlayer()->GetSelection();	if (guid == 0)	{		SystemMessage(m_session, "No selection.");		return true;	}	if(GET_TYPE_FROM_GUID(guid) != HIGHGUID_TYPE_WAYPOINT)	{		SystemMessage(m_session, "You should select a Waypoint.");		return true;	}	Player* pPlayer = m_session->GetPlayer();	AIInterface* ai = pPlayer->waypointunit;	if(!ai || !ai->GetUnit())	{		SystemMessage(m_session, "Invalid Creature, please select another one.");		return true;	}	std::stringstream ss;	uint32 wpid = GUID_LOPART(guid);	if((wpid > 0) && (wpid <= ai->GetWayPointsCount()))	{		WayPoint* wp = ai->getWayPoint(wpid);		if(wp)		{			ss << "Waypoint Number " << wp->id << ":/n";			ss << "WaitTime: " << wp->waittime << "/n";			ss << "Flags: " << wp->flags;			if(wp->flags == 768)				ss << " (Fly)/n";			else if(wp->flags == 256)				ss << " (Run)/n";			else				ss << " (Walk)/n";			ss << "Backwards/n";			ss << "   emoteid: " << wp->backwardemoteid << "/n";			ss << "   oneshot: " << ((wp->backwardemoteoneshot == 1)? "Yes" : "No") << "/n";			ss << "   skinid: " << wp->backwardskinid << "/n";			ss << "Forwards/n";			ss << "   emoteid: " << wp->forwardemoteid << "/n";			ss << "   oneshot: " << ((wp->forwardemoteoneshot == 1)? "Yes" : "No") << "/n";			ss << "   skinid: " << wp->forwardskinid << "/n";			SendMultilineMessage(m_session, ss.str().c_str());		}	}	else	{	   SystemMessage(m_session,  "Invalid Waypoint.");		return true;	}	return true;}

///////////////////////////////////////////////////////////////// This function handles CMSG_GOSSIP_SELECT_OPTION://////////////////////////////////////////////////////////////void WorldSession::HandleGossipSelectOptionOpcode( WorldPacket & recv_data ){	if(!_player->IsInWorld()) return;	//WorldPacket data;	uint32 option;	uint32 unk24;	uint64 guid;	int8 extra=0;	recv_data >> guid >> unk24 >> option;	DEBUG_LOG("WORLD: CMSG_GOSSIP_SELECT_OPTION Option %i Guid %.8X", option, guid );	GossipScript * Script=NULL;	Object * qst_giver=NULL;	uint32 guidtype = GET_TYPE_FROM_GUID(guid);	if(guidtype==HIGHGUID_TYPE_UNIT)	{		Creature *crt = _player->GetMapMgr()->GetCreature(GET_LOWGUID_PART(guid));		if(!crt)			return;		qst_giver=crt;		Script=crt->GetCreatureName()?crt->GetCreatureName()->gossip_script:NULL;	}	else if(guidtype==HIGHGUID_TYPE_ITEM)	{		Item * pitem = _player->GetItemInterface()->GetItemByGUID(guid);		if(pitem==NULL)			return;		qst_giver=pitem;		Script=pitem->GetProto()->gossip_script;	}	if(!Script||!qst_giver)		return;	uint32 IntId = 1;	if(_player->CurrentGossipMenu)	{		GossipMenuItem item = _player->CurrentGossipMenu->GetItem(option);		IntId = item.IntId;		extra = item.Extra;	}	if(extra)	{		string str;		if(recv_data.rpos()!=recv_data.wpos())			recv_data >> str;		Script->GossipSelectOption(qst_giver, _player, option, IntId, str.c_str());	}	else

void WorldSession::HandleQuestgiverStatusQueryOpcode(WorldPacket & recv_data){	CHECK_INWORLD_RETURN	LOG_DEBUG("WORLD: Received CMSG_QUESTGIVER_STATUS_QUERY.");	if(_player->IsInBg())		return; //Added in 3.0.2, quests can be shared anywhere besides a BG	uint64 guid;	WorldPacket data(SMSG_QUESTGIVER_STATUS, 12);	Object* qst_giver = NULL;	recv_data >> guid;	uint32 guidtype = GET_TYPE_FROM_GUID(guid);	if(guidtype == HIGHGUID_TYPE_UNIT)	{		Creature* quest_giver = _player->GetMapMgr()->GetCreature(GET_LOWGUID_PART(guid));		if(quest_giver)			qst_giver = quest_giver;		else			return;		if(!quest_giver->isQuestGiver())		{			LOG_DEBUG("WORLD: Creature is not a questgiver.");			return;		}	}	else if(guidtype == HIGHGUID_TYPE_ITEM)	{		Item* quest_giver = GetPlayer()->GetItemInterface()->GetItemByGUID(guid);		if(quest_giver)			qst_giver = quest_giver;		else			return;	}	else if(guidtype == HIGHGUID_TYPE_GAMEOBJECT)	{		GameObject* quest_giver = _player->GetMapMgr()->GetGameObject(GET_LOWGUID_PART(guid));		if(quest_giver)			qst_giver = quest_giver;		else			return;	}	if(!qst_giver)	{		LOG_DEBUG("WORLD: Invalid questgiver GUID " I64FMT ".", guid);		return;	}	data << guid << sQuestMgr.CalcStatus(qst_giver, GetPlayer());	SendPacket(&data);}

bool ChatHandler::HandleWPFlagsCommand(const char* args, WorldSession* m_session){	uint64 guid = m_session->GetPlayer()->GetSelection();	if(guid == 0)	{		SystemMessage(m_session, "No selection.");		return true;	}	if(GET_TYPE_FROM_GUID(guid) != HIGHGUID_TYPE_WAYPOINT)	{		SystemMessage(m_session, "You should select a Waypoint.");		return true;	}	Player* pPlayer = m_session->GetPlayer();	AIInterface* ai = pPlayer->waypointunit;	if(!ai || !ai->GetUnit())	{		SystemMessage(m_session, "Invalid Creature, please select another one.");		return true;	}	std::stringstream ss;	uint32 wpid = Arcemu::Util::GUID_LOPART(guid);	if(wpid)	{		WayPoint* wp = ai->getWayPoint(wpid);		if(wp == NULL)		{			SystemMessage(m_session, "Invalid Waypoint.");			return true;		}		uint32 flags = wp->flags;		char* pNewFlags = strtok((char*)args, " ");		uint32 NewFlags = (pNewFlags) ? atoi(pNewFlags) : 0;		wp->flags = NewFlags;		//save wp		ai->saveWayPoints();		ss << "Waypoint " << wpid << " flags changed from " << flags << " to " << NewFlags;		SystemMessage(m_session, ss.str().c_str());	}	else	{		SystemMessage(m_session, "Invalid Waypoint.");		return true;	}	return true;}

void WorldSession::HandleQuestgiverStatusQueryOpcode( WorldPacket & recv_data ){	DEBUG_LOG( "WORLD"," Received CMSG_QUESTGIVER_STATUS_QUERY." );	CHECK_INWORLD_RETURN;	uint64 guid;	WorldPacket data(SMSG_QUESTGIVER_STATUS, 9);	Object* qst_giver = NULLOBJ;	recv_data >> guid;	uint32 guidtype = GET_TYPE_FROM_GUID(guid);	if(guidtype == HIGHGUID_TYPE_CREATURE)	{		Creature* quest_giver = _player->GetMapMgr()->GetCreature(GET_LOWGUID_PART(guid));		if(quest_giver)			qst_giver = quest_giver;		else			return;		if (!quest_giver->isQuestGiver())		{			OUT_DEBUG("WORLD: Creature is not a questgiver.");			return;		}	}	else if(guidtype==HIGHGUID_TYPE_ITEM)	{		Item* quest_giver = GetPlayer()->GetItemInterface()->GetItemByGUID(guid);		if(quest_giver)			qst_giver = TO_OBJECT(quest_giver);		else			return;	}	else if(guidtype==HIGHGUID_TYPE_GAMEOBJECT)	{		GameObject* quest_giver = _player->GetMapMgr()->GetGameObject(GET_LOWGUID_PART(guid));		if(quest_giver)			qst_giver = TO_OBJECT(quest_giver);		else			return;	}	if (!qst_giver)	{		OUT_DEBUG("WORLD: Invalid questgiver GUID "I64FMT".", guid);		return;	}	data << guid << sQuestMgr.CalcStatus(qst_giver, GetPlayer());	SendPacket( &data );}

void WorldSession::HandleQuestgiverStatusQueryOpcode( WorldPacket & recv_data ){	sLog.outDebug( "WORLD: Received CMSG_QUESTGIVER_STATUS_QUERY." );	if(!_player) return;    if(!_player->IsInWorld()) return;	uint64 guid;	WorldPacket data(SMSG_QUESTGIVER_STATUS, 12);    Object *qst_giver = NULL;	recv_data >> guid;	uint32 guidtype = GET_TYPE_FROM_GUID(guid);    if(guidtype==HIGHGUID_TYPE_UNIT)    {        Creature *quest_giver = _player->GetMapMgr()->GetCreature(GET_LOWGUID_PART(guid));        if(quest_giver)			qst_giver = (Object*)quest_giver;		else			return;        if (!quest_giver->isQuestGiver())	    {		    sLog.outDebug("WORLD: Creature is not a questgiver.");		    return;	    }    }    else if(guidtype==HIGHGUID_TYPE_ITEM)	{		Item *quest_giver = GetPlayer()->GetItemInterface()->GetItemByGUID(guid);		if(quest_giver)			qst_giver = (Object*)quest_giver;		else			return;	}    else if(guidtype==HIGHGUID_TYPE_GAMEOBJECT)	{		GameObject *quest_giver = _player->GetMapMgr()->GetGameObject(GET_LOWGUID_PART(guid));		if(quest_giver)			qst_giver = (Object*)quest_giver;		else			return;	}	if (!qst_giver)	{		sLog.outDebug("WORLD: Invalid questgiver GUID "I64FMT".", guid);		return;	}	data << guid << sQuestMgr.CalcStatus(qst_giver, GetPlayer());	SendPacket( &data );}

Unit* MapMgr::GetUnit(const uint64 & guid){/*#ifdef USING_BIG_ENDIAN	switch (((uint32*)&guid)[0])#else	switch (((uint32*)&guid)[1])#endif	{	case	HIGHGUID_PLAYER:		return GetPlayer((uint32)guid);		break;	case	HIGHGUID_UNIT:		return GetCreature((uint32)guid);		break;	case	HIGHGUID_PET:		return GetPet((uint32)guid);		break;	default:		return NULL;	}*/	/*uint32 highguid = GUID_HIPART(guid);	if( highguid & HIGHGUID_UNIT )		return GetCreature( ((uint32)guid&LOWGUID_UNIT_MASK) );	else if( highguid == HIGHGUID_PLAYER )			// players are always zero		return GetPlayer( (uint32)guid );	else if( highguid & HIGHGUID_PET )		return GetPet( (uint32)guid );	else		return NULL;*/	switch(GET_TYPE_FROM_GUID(guid))	{	case HIGHGUID_TYPE_UNIT:		return GetCreature( GET_LOWGUID_PART(guid) );		break;	case HIGHGUID_TYPE_PLAYER:		return GetPlayer( (uint32)guid );		break;	case HIGHGUID_TYPE_PET:		return GetPet( (uint32)guid );		break;	}	return NULL;}

void WorldSession::HandlePetAction(WorldPacket & recv_data){	CHECK_INWORLD_RETURN	//WorldPacket data;	uint64 petGuid = 0;	uint16 misc = 0;	uint16 action = 0;	uint64 targetguid = 0;	recv_data >> petGuid >> misc >> action;	//recv_data.hexlike();	//printf("Pet_Action: 0x%.4X 0x%.4X/n", misc, action);	if(GET_TYPE_FROM_GUID(petGuid) == HIGHGUID_TYPE_UNIT)	{		Creature* pCharm = GetPlayer()->GetMapMgr()->GetCreature(GET_LOWGUID_PART(petGuid));		if(!pCharm)			return;		// must be a mind controlled creature..		if(action == PET_ACTION_ACTION)		{			recv_data >> targetguid;			switch(misc)			{				case PET_ACTION_ATTACK:					{						if(!sEventMgr.HasEvent(_player, EVENT_PLAYER_CHARM_ATTACK))						{							uint32 timer = pCharm->GetBaseAttackTime(MELEE);							if(!timer) timer = 2000;							sEventMgr.AddEvent(_player, &Player::_EventCharmAttack, EVENT_PLAYER_CHARM_ATTACK, timer, 0, EVENT_FLAG_DO_NOT_EXECUTE_IN_WORLD_CONTEXT);							_player->_EventCharmAttack();						}					}					break;			}		}

///////////////////////////////////////////////////////////////// This function handles CMSG_GOSSIP_SELECT_OPTION://////////////////////////////////////////////////////////////void WorldSession::HandleGossipSelectOptionOpcode(WorldPacket & recv_data){	CHECK_INWORLD_RETURN	uint32 option;	uint32 unk24;	uint64 guid;	recv_data >> guid >> unk24 >> option;	LOG_DETAIL("WORLD: CMSG_GOSSIP_SELECT_OPTION Option %i Guid %.8X", option, guid);	Arcemu::Gossip::Script* script = NULL;	uint32 guidtype = GET_TYPE_FROM_GUID(guid);	Object* qst_giver;	if(guidtype == HIGHGUID_TYPE_ITEM)	//Item objects are retrieved differently.	{		qst_giver = GetPlayer()->GetItemInterface()->GetItemByGUID(guid);		if(qst_giver != NULL)			script = Arcemu::Gossip::Script::GetInterface(TO_ITEM(qst_giver));	}	else		qst_giver = GetPlayer()->GetMapMgr()->_GetObject(guid);	if(qst_giver != NULL)	{		if(guidtype == HIGHGUID_TYPE_UNIT)			script = Arcemu::Gossip::Script::GetInterface(TO_CREATURE(qst_giver));		else if(guidtype == HIGHGUID_TYPE_GAMEOBJECT)			script = Arcemu::Gossip::Script::GetInterface(TO_GAMEOBJECT(qst_giver));	}	if(script != NULL)	{		string str;		if(recv_data.rpos() != recv_data.wpos())			recv_data >> str;		if(str.length() > 0)			script->OnSelectOption(qst_giver, GetPlayer() , option, str.c_str());		else			script->OnSelectOption(qst_giver, GetPlayer() , option, NULL);	}

/*Loot type MUST be1-corpse, go2-skinning/herbalism/minning3-Fishing*/void Player::SendLoot(uint64 guid,uint8 loot_type, uint32 mapid){	Group * m_Group = m_playerInfo->m_Group;	if( !IsInWorld() )		return;	Loot * pLoot = NULL;	uint32 guidtype = GET_TYPE_FROM_GUID(guid);		int8 loot_method;	if( m_Group != NULL )		loot_method = m_Group->GetMethod();	else		loot_method = PARTY_LOOT_FFA;	if(guidtype == HIGHGUID_TYPE_UNIT)	{		Creature* pCreature = GetMapMgr()->GetCreature(GET_LOWGUID_PART(guid));		if(!pCreature)return;		pLoot=&pCreature->loot;		m_currentLoot = pCreature->GetGUID();			}else if(guidtype == HIGHGUID_TYPE_GAMEOBJECT)	{		GameObject* pGO = GetMapMgr()->GetGameObject(GET_LOWGUID_PART(guid));		if(!pGO)return;		pGO->SetByte(GAMEOBJECT_BYTES_1, 0,0);		pLoot=&pGO->loot;		m_currentLoot = pGO->GetGUID();	}	else if((guidtype == HIGHGUID_TYPE_PLAYER) )	{		Player *p=GetMapMgr()->GetPlayer((uint32)guid);		if(!p)return;		pLoot=&p->loot;		m_currentLoot = p->GetGUID();	}	else if( (guidtype == HIGHGUID_TYPE_CORPSE))	{		Corpse *pCorpse = objmgr.GetCorpse((uint32)guid);		if(!pCorpse)return;		pLoot=&pCorpse->loot;		m_currentLoot = pCorpse->GetGUID();	}	else if( (guidtype == HIGHGUID_TYPE_ITEM) )	{		Item *pItem = GetItemInterface()->GetItemByGUID(guid);		if(!pItem)			return;		pLoot = pItem->loot;		m_currentLoot = pItem->GetGUID();	}	if(!pLoot)	{		// something whack happened.. damn cheaters..		return;	}	// add to looter set	pLoot->looters.insert( GetLowGUID() );	WorldPacket data, data2(32);	data.SetOpcode( SMSG_LOOT_RESPONSE );	m_lootGuid = guid;	data << uint64( guid );	data << uint8( loot_type );//loot_type;	data << uint32( pLoot->gold );	data << uint8( 0 ); //loot size reserve	std::vector<__LootItem>::iterator iter=pLoot->items.begin();	uint32 count= 0;	uint8 slottype = 0;	for(uint32 x= 0;iter!=pLoot->items.end();iter++,x++)	{		if (iter->iItemsCount == 0)			continue;		LooterSet::iterator itr = iter->has_looted.find(GetLowGUID());		if (iter->has_looted.end() != itr)			continue;		ItemPrototype* itemProto =iter->item.itemproto;		if (!itemProto)			continue;		// check if it's on ML if so only quest items and ffa loot should be shown based on mob//.........这里部分代码省略.........

void LootRoll::Finalize(){    sEventMgr.RemoveEvents(this);    // this we will have to finalize with groups types.. for now    // we'll just assume need before greed. person with highest roll    // in need gets the item.    uint32 highest = 0;    int8 hightype = -1;    uint64 player = 0;    WorldPacket data(34);    /*        Player * gplr = NULL;        for(std::map<uint64, uint32>::iterator itr = NeedRolls.begin(); itr != NeedRolls.end(); ++itr)        {        gplr = _mgr->GetPlayer((uint32)itr->first);        if(gplr) break;        }        if(!gplr)        {        for(std::map<uint64, uint32>::iterator itr = GreedRolls.begin(); itr != GreedRolls.end(); ++itr)        {        gplr = _mgr->GetPlayer((uint32)itr->first);        if(gplr) break;        }        }        */    for (std::map<uint32, uint32>::iterator itr = m_NeedRolls.begin(); itr != m_NeedRolls.end(); ++itr)    {        if (itr->second > highest)        {            highest = itr->second;            player = itr->first;            hightype = NEED;        }        /*        data.Initialize(SMSG_LOOT_ROLL);        data << _guid << _slotid << itr->first;        data << _itemid << _itemunk1 << _itemunk2;        data << uint8(itr->second) << uint8(NEED);        if(gplr && gplr->GetGroup())        gplr->GetGroup()->SendPacketToAll(&data);        */    }    if (!highest)    {        for (std::map<uint32, uint32>::iterator itr = m_GreedRolls.begin(); itr != m_GreedRolls.end(); ++itr)        {            if (itr->second > highest)            {                highest = itr->second;                player = itr->first;                hightype = GREED;            }            /*            data.Initialize(SMSG_LOOT_ROLL);            data << _guid << _slotid << itr->first;            data << _itemid << _itemunk1 << _itemunk2;            data << uint8(itr->second) << uint8(GREED);            if(gplr && gplr->GetGroup())            gplr->GetGroup()->SendPacketToAll(&data);            */        }    }    Loot * pLoot = 0;    uint32 guidtype = GET_TYPE_FROM_GUID(_guid);    if (guidtype == HIGHGUID_TYPE_UNIT)    {        Creature * pc = _mgr->GetCreature(GET_LOWGUID_PART(_guid));        if (pc) pLoot = &pc->loot;    }    else if (guidtype == HIGHGUID_TYPE_GAMEOBJECT)    {        GameObject * go = _mgr->GetGameObject(GET_LOWGUID_PART(_guid));        if (go) pLoot = &go->loot;    }    if (!pLoot)    {        delete this;        return;    }    if (_slotid >= pLoot->items.size())    {        delete this;        return;    }    pLoot->items.at(_slotid).roll = NULL;    uint32 itemid = pLoot->items.at(_slotid).item.itemproto->ItemId;    uint32 amt = pLoot->items.at(_slotid).iItemsCount;    if (!amt)//.........这里部分代码省略.........

void WorldSession::HandleQuestgiverRequestRewardOpcode( WorldPacket & recv_data ){	CHECK_INWORLD_RETURN;	DEBUG_LOG( "WORLD","Received CMSG_QUESTGIVER_REQUESTREWARD_QUEST." );	uint64 guid;	uint32 quest_id;	recv_data >> guid;	recv_data >> quest_id;	bool bValid = false;	Quest *qst = NULL;	Object* qst_giver = NULL;	uint32 status = 0;	uint32 guidtype = GET_TYPE_FROM_GUID(guid);	if(guidtype==HIGHGUID_TYPE_UNIT)	{		Creature* quest_giver = _player->GetMapMgr()->GetCreature(GET_LOWGUID_PART(guid));		if(quest_giver)			qst_giver = TO_OBJECT(quest_giver);		else			return;		bValid = quest_giver->isQuestGiver();		if(bValid)		{			qst = quest_giver->FindQuest(quest_id, QUESTGIVER_QUEST_END);			if(!qst)				qst = quest_giver->FindQuest(quest_id, QUESTGIVER_QUEST_START);			if(!qst)			{				OUT_DEBUG("WARNING: Cannot complete quest, as it doesnt exist.");				return;			}			status = sQuestMgr.CalcQuestStatus(qst_giver, GetPlayer(), qst, (uint8)quest_giver->GetQuestRelation(qst->id),false);		}	} 	else if(guidtype==HIGHGUID_TYPE_GAMEOBJECT)	{		GameObject* quest_giver = _player->GetMapMgr()->GetGameObject(GET_LOWGUID_PART(guid));		if(quest_giver)			qst_giver = TO_OBJECT(quest_giver);		else			return; // oops..		bValid = quest_giver->isQuestGiver();		if(bValid)		{			qst = quest_giver->FindQuest(quest_id, QUESTGIVER_QUEST_END);			if(!qst)			{				OUT_DEBUG("WARNING: Cannot complete quest, as it doesnt exist.");				return;			}			status = sQuestMgr.CalcQuestStatus(qst_giver, GetPlayer(), qst, (uint8)quest_giver->GetQuestRelation(qst->id),false);		}	}	if (!qst_giver)	{		OUT_DEBUG("WORLD: Invalid questgiver GUID.");		return;	}	if (!bValid || qst == NULL)	{		OUT_DEBUG("WORLD: Creature is not a questgiver.");		return;	}	if (status == QMGR_QUEST_FINISHED)	{        WorldPacket data;		sQuestMgr.BuildOfferReward(&data, qst, qst_giver, 1, language, _player);		SendPacket(&data);		DEBUG_LOG( "WORLD","Sent SMSG_QUESTGIVER_REQUEST_ITEMS." );	}	// if we got here it means we're cheating}

initialiseSingleton(QuestMgr);void WorldSession::HandleQuestgiverStatusQueryOpcode(WorldPacket& recv_data){    CHECK_INWORLD_RETURN    if (_player->IsInBg())        return;         //Added in 3.0.2, quests can be shared anywhere besides a BG    uint64 guid;    WorldPacket data(SMSG_QUESTGIVER_STATUS, 12);    Object* qst_giver = NULL;    recv_data >> guid;    uint32 guidtype = GET_TYPE_FROM_GUID(guid);    if (guidtype == HIGHGUID_TYPE_UNIT)    {        Creature* quest_giver = _player->GetMapMgr()->GetCreature(GET_LOWGUID_PART(guid));        if (quest_giver)            qst_giver = quest_giver;        else            return;        if (!quest_giver->isQuestGiver())        {            LOG_DEBUG("WORLD: Creature is not a questgiver.");            return;        }    }    else if (guidtype == HIGHGUID_TYPE_ITEM)