C++ BattlegroundTypeId函數代碼示例

    bool OnGossipHello(Player* player, Creature* creature)
    {

        if (ArenaWatcherEnable && (!ArenaWatcherOnlyGM || player->isGameMaster()))
        {
            uint8 arenasCount[MAX_ARENA_SLOT] = {0, 0, 0};

            for (uint8 bgTypeId = 0; bgTypeId < MAX_BATTLEGROUND_TYPE_ID; ++bgTypeId)
            {
                if (!BattlegroundMgr::IsArenaType(BattlegroundTypeId(bgTypeId)))
                    continue;

                if(BattlegroundData* arenas = sBattlegroundMgr->GetAllBattlegroundsWithTypeId(BattlegroundTypeId(bgTypeId))){

                    if (!arenas || arenas->m_Battlegrounds.empty())
                        continue;

                    for (BattlegroundContainer::const_iterator itr = arenas->m_Battlegrounds.begin(); itr != arenas->m_Battlegrounds.end(); ++itr)
                    {
                        if (!(itr->second->GetStatus() & 2))
                            continue;

                        if (ArenaWatcherOnlyRated && !itr->second->isRated())
                            continue;

                        if(itr->second->GetStatus()==STATUS_IN_PROGRESS)
                            ++arenasCount[ArenaTeam::GetSlotByType(itr->second->GetArenaType())];
                    }
                }
            }

            for (uint8 i = 0; i < MAX_ARENA_SLOT; ++i)
            {
                if (!arenasCount[i])
                    continue;

                char gossipTextFormat[50];
                snprintf(gossipTextFormat, 50, sObjectMgr->GetTrinityStringForDBCLocale(STRING_ARENA_2v2 + i), arenasCount[i]);
                player->ADD_GOSSIP_ITEM(GOSSIP_ICON_CHAT, gossipTextFormat, GOSSIP_SENDER_MAIN, GOSSIP_ACTION_INFO_DEF + i);
            }

            if (ArenaWatcherToPlayers)
                player->ADD_GOSSIP_ITEM_EXTENDED(
                    GOSSIP_ICON_CHAT,
                    sObjectMgr->GetTrinityStringForDBCLocale(STRING_FOLLOW),
                    GOSSIP_SENDER_MAIN,
                    GOSSIP_ACTION_INFO_DEF + 4,
                    "",
                    0,
                    true
                );
        }

        player->SEND_GOSSIP_MENU(player->GetGossipTextId(creature), creature->GetGUID());
        return true;
    }

void WorldSession::HandleBattlefieldListOpcode(WorldPackets::Battleground::BattlefieldListRequest& battlefieldList)
{
    BattlemasterListEntry const* battlemasterListEntry = sBattlemasterListStore.LookupEntry(battlefieldList.ListID);
    if (!battlemasterListEntry)
    {
        TC_LOG_DEBUG("bg.battleground", "BattlegroundHandler: invalid bgtype (%u) with player (Name: %s, %s) received.", battlefieldList.ListID, _player->GetName().c_str(), _player->GetGUID().ToString().c_str());
        return;
    }

    sBattlegroundMgr->SendBattlegroundList(_player, ObjectGuid::Empty, BattlegroundTypeId(battlefieldList.ListID));
}

void WorldSession::HandleBattlefieldListOpcode(WorldPacket &recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint8 bgTypeId;
    recv_data >> bgTypeId;                                  // id from DBC

    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, 0, _player, BattlegroundTypeId(bgTypeId));
    SendPacket(&data);
}

void WorldSession::HandleBattlefieldListOpcode(WorldPacket& recvData)
{
    TC_LOG_DEBUG("network", "WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint32 bgTypeId;
    recvData >> bgTypeId;                                  // id from DBC

    BattlemasterListEntry const* bl = sBattlemasterListStore.LookupEntry(bgTypeId);
    if (!bl)
    {
        TC_LOG_DEBUG("bg.battleground", "BattlegroundHandler: invalid bgtype (%u) with player (Name: %s, GUID: %u) received.", bgTypeId, _player->GetName().c_str(), _player->GetGUIDLow());
        return;
    }

    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, 0, _player, BattlegroundTypeId(bgTypeId));
    SendPacket(&data);
}

void WorldSession::HandleBattlefieldListOpcode(WorldPacket &recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint32 bgTypeId;
    recv_data >> bgTypeId;                                  // id from DBC

    BattlemasterListEntry const* bl = sBattlemasterListStore.LookupEntry(bgTypeId);
    if (!bl)
    {
        sLog->outDebug(LOG_FILTER_BATTLEGROUND, "BattlegroundHandler: invalid bgtype (%u) with player (Name: %s, GUID: %u) received.", bgTypeId, _player->GetName(), _player->GetGUIDLow());
        return;
    }

    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, 0, _player, BattlegroundTypeId(bgTypeId));
    SendPacket(&data);
}

void WorldSession::HandleBattlefieldListOpcode(WorldPacket &recv_data)
{
    sLog->outDebug("WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint32 bgTypeId;
    recv_data >> bgTypeId;                                  // id from DBC

    BattlemasterListEntry const* bl = sBattlemasterListStore.LookupEntry(bgTypeId);
    if (!bl)
    {
        sLog->outError("Battleground: invalid bgtype received.");
        return;
    }

    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, 0, _player, BattlegroundTypeId(bgTypeId));
    SendPacket(&data);
}

void WorldSession::HandleBattlefieldListOpcode(WorldPacket &recvData)
{
    ;//sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint32 bgTypeId;
    recvData >> bgTypeId;                                  // id from DBC

    uint8 fromWhere;
    recvData >> fromWhere;                                 // 0 - battlemaster (lua: ShowBattlefieldList), 1 - UI (lua: RequestBattlegroundInstanceInfo)

    uint8 canGainXP;
    recvData >> canGainXP;                                 // players with locked xp have their own bg queue on retail

    BattlemasterListEntry const* bl = sBattlemasterListStore.LookupEntry(bgTypeId);
    if (!bl)
        return;

    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, 0, _player, BattlegroundTypeId(bgTypeId), fromWhere);
    SendPacket(&data);
}

void WorldSession::HandleBattlefieldListOpcode(WorldPacket &recvData)
{
    TC_LOG_DEBUG("network", "WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint32 bgTypeId;
    recvData >> bgTypeId;                                  // id from DBC

    uint8 fromWhere;
    recvData >> fromWhere;                                 // 0 - battlemaster (lua: ShowBattlefieldList), 1 - UI (lua: RequestBattlegroundInstanceInfo)

    uint8 canGainXP;
    recvData >> canGainXP;                                 // players with locked xp have their own bg queue on retail

    BattlemasterListEntry const* bl = sBattlemasterListStore.LookupEntry(bgTypeId);
    if (!bl)
    {
        TC_LOG_DEBUG("bg.battleground", "BattlegroundHandler: invalid bgtype (%u) with player (Name: %s, GUID: %u) received.", bgTypeId, _player->GetName().c_str(), _player->GetGUIDLow());
        return;
    }

    WorldPacket data;
    sBattlegroundMgr->BuildBattlegroundListPacket(&data, ObjectGuid::Empty, _player, BattlegroundTypeId(bgTypeId), fromWhere);
    SendPacket(&data);
}

void WorldSession::HandleBattlemasterJoinOpcode(WorldPacket & recv_data)
{
    uint8 joinAsGroup;
    uint32 bgTypeId_;
    uint32 unk, unk2;
    bool isPremade = false;
    Group * grp = NULL;

    recv_data >> joinAsGroup;                               // join as group (join as group = 0x80, else 0x0)
    recv_data >> unk;                                       // unk
    recv_data >> bgTypeId_;                                 // battleground type id (DBC id)
    recv_data >> unk2;                                      // unk

    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
    {
        sLog->outError("Battleground: invalid bgtype (%u) received. possible cheater? player guid %u", bgTypeId_, _player->GetGUIDLow());
        return;
    }

    if (sDisableMgr->IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, bgTypeId_, NULL))
    {
        ChatHandler(this).PSendSysMessage(LANG_BG_DISABLED);
        return;
    }

    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);

    // can do this, since it's battleground, not arena
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, 0);
    BattlegroundQueueTypeId bgQueueTypeIdRandom = BattlegroundMgr::BGQueueTypeId(BATTLEGROUND_RB, 0);

    // ignore if player is already in BG
    if (_player->InBattleground())
        return;

    // get bg template
    Battleground *bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bg)
        return;

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    GroupJoinBattlegroundResult err;

    // check queue conditions
    if (!joinAsGroup)
    {
        if (GetPlayer()->isUsingLfg())
        {
            // player is using dungeon finder or raid finder
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_LFG_CANT_USE_BATTLEGROUND);
            GetPlayer()->GetSession()->SendPacket(&data);
            return;
        }

        // check Deserter debuff
        if (!_player->CanJoinToBattleground())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        if (_player->GetBattlegroundQueueIndex(bgQueueTypeIdRandom) < PLAYER_MAX_BATTLEGROUND_QUEUES)
        {
            //player is already in random queue
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_IN_RANDOM_BG);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        if (_player->InBattlegroundQueue() && bgTypeId == BATTLEGROUND_RB)
        {
            //player is already in queue, can't start random queue
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_IN_NON_RANDOM_BG);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        // check if already in queue
        if (_player->GetBattlegroundQueueIndex(bgQueueTypeId) < PLAYER_MAX_BATTLEGROUND_QUEUES)
            //player is already in this queue
            return;

        // check if has free queue slots
        if (!_player->HasFreeBattlegroundQueueId())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_BATTLEGROUND_TOO_MANY_QUEUES);
            _player->GetSession()->SendPacket(&data);
            return;
        }

//.........這裏部分代碼省略.........

void WorldSession::HandleBattleFieldPortOpcode(WorldPacket &recv_data)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEFIELD_PORT Message");

    uint8 action;                                           // enter battle 128, leave queue 0
    // then goes uint64 that we sent to client in SMSG_BATTLEFIELD_STATUS3
    uint32 bgTypeId_;                                       // type id from dbc
    uint32 type;                                             // arenatype if arena

    recv_data >> action >> bgTypeId_ >> type;

    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
    {
        sLog->outError("BattlegroundHandler: invalid bgtype (%u) received.", bgTypeId_);
        return;
    }
    if (!_player->InBattlegroundQueue())
    {
        sLog->outError("BattlegroundHandler: Invalid CMSG_BATTLEFIELD_PORT received from player (%u), he is not in bg_queue.", _player->GetGUIDLow());
        return;
    }

    //get GroupQueueInfo from BattlegroundQueue
    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, (uint8)type);
    BattlegroundQueue& bgQueue = sBattlegroundMgr->m_BattlegroundQueues[bgQueueTypeId];
    //we must use temporary variable, because GroupQueueInfo pointer can be deleted in BattlegroundQueue::RemovePlayer() function
    GroupQueueInfo ginfo;
    if (!bgQueue.GetPlayerGroupInfoData(_player->GetGUID(), &ginfo))
    {
        sLog->outError("BattlegroundHandler: itrplayerstatus not found.");
        return;
    }
    // if action == 1, then instanceId is required
    if (!ginfo.IsInvitedToBGInstanceGUID && action == 1)
    {
        sLog->outError("BattlegroundHandler: instance not found.");
        return;
    }

    Battleground *bg = sBattlegroundMgr->GetBattleground(ginfo.IsInvitedToBGInstanceGUID, bgTypeId);

    // bg template might and must be used in case of leaving queue, when instance is not created yet
    if (!bg && action == 0)
        bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bg)
    {
        sLog->outError("BattlegroundHandler: bg_template not found for type id %u.", bgTypeId);
        return;
    }

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    //some checks if player isn't cheating - it is not exactly cheating, but we cannot allow it
    if (action == 1 && ginfo.ArenaType == 0)
    {
        //if player is trying to enter battleground (not arena!) and he has deserter debuff, we must just remove him from queue
        if (!_player->CanJoinToBattleground())
        {
            //send bg command result to show nice message
            WorldPacket data2;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data2, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _player->GetSession()->SendPacket(&data2);
            action = 0;
            sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player %s (%u) has a deserter debuff, do not port him to battleground!", _player->GetName(), _player->GetGUIDLow());
        }
        //if player don't match battleground max level, then do not allow him to enter! (this might happen when player leveled up during his waiting in queue
        if (_player->getLevel() > bg->GetMaxLevel())
        {
            sLog->outError("Battleground: Player %s (%u) has level (%u) higher than maxlevel (%u) of battleground (%u)! Do not port him to battleground!",
                _player->GetName(), _player->GetGUIDLow(), _player->getLevel(), bg->GetMaxLevel(), bg->GetTypeID());
            action = 0;
        }
    }
    uint32 queueSlot = _player->GetBattlegroundQueueIndex(bgQueueTypeId);
    WorldPacket data;
    switch(action >> 7)
    {
        case 1:                                         // port to battleground
            if (!_player->IsInvitedForBattlegroundQueueType(bgQueueTypeId))
                return;                                 // cheating?

            if (!_player->InBattleground())
                _player->SetBattlegroundEntryPoint();

            // resurrect the player
            if (!_player->isAlive())
            {
                _player->ResurrectPlayer(1.0f);
                _player->SpawnCorpseBones();
            }
            // stop taxi flight at port
            if (_player->isInFlight())
            {
                _player->GetMotionMaster()->MovementExpired();
                _player->CleanupAfterTaxiFlight();
            }
//.........這裏部分代碼省略.........

void WorldSession::HandleBattlemasterJoinOpcode(WorldPacket & recvData)
{
    uint64 guid;
    uint32 bgTypeId_;
    uint32 instanceId;                                     // sent to queue for particular bg from battlemaster's list, currently not used
    uint8 joinAsGroup;

    recvData >> guid;                                      // battlemaster guid
    recvData >> bgTypeId_;                                 // battleground type id (DBC id)
    recvData >> instanceId;                                // instance id, 0 if First Available selected
    recvData >> joinAsGroup;                               // join as group

	// entry not found
    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
        return;

	// chosen battleground type is disabled
    if (DisableMgr::IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, bgTypeId_, NULL))
    {
        ChatHandler(this).PSendSysMessage(LANG_BG_DISABLED);
        return;
    }

	// get queue typeid and random typeid to check if already queued for them
    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, 0);
    BattlegroundQueueTypeId bgQueueTypeIdRandom = BattlegroundMgr::BGQueueTypeId(BATTLEGROUND_RB, 0);

	// safety check - bgQueueTypeId == BATTLEGROUND_QUEUE_NONE if tried to queue for arena using this function
	if (bgQueueTypeId == BATTLEGROUND_QUEUE_NONE)
		return;

    // get bg template
    Battleground* bgt = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bgt)
        return;

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bgt->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

	// pussywizard: if trying to queue for already queued
	// just remove from queue and it will requeue!
	uint32 qSlot = _player->GetBattlegroundQueueIndex(bgQueueTypeId);
	if (qSlot < PLAYER_MAX_BATTLEGROUND_QUEUES)
	{
		BattlegroundQueue& bgQueue = sBattlegroundMgr->GetBattlegroundQueue(bgQueueTypeId);

		if (bgQueue.IsPlayerInvitedToRatedArena(_player->GetGUID()))
		{
			WorldPacket data;
			sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_BATTLEGROUND_JOIN_FAILED);
			SendPacket(&data);
			return;
		}

		bgQueue.RemovePlayer(_player->GetGUID(), false, qSlot);
		_player->RemoveBattlegroundQueueId(bgQueueTypeId);
	}

	// must have free queue slot
	if (!_player->HasFreeBattlegroundQueueId())
	{
        WorldPacket data;
        sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_BATTLEGROUND_TOO_MANY_QUEUES);
        SendPacket(&data);
        return;
	}

	// queue result (default ok)
	GroupJoinBattlegroundResult err = GroupJoinBattlegroundResult(bgt->GetBgTypeID());

    // check if player can queue:
    if (!joinAsGroup)
    {
		if (GetPlayer()->InBattleground()) // currently in battleground
            err = ERR_BATTLEGROUND_NOT_IN_BATTLEGROUND;
		else if (GetPlayer()->isUsingLfg()) // using lfg system
            err = ERR_LFG_CANT_USE_BATTLEGROUND;
		else if (!_player->CanJoinToBattleground()) // has deserter debuff
            err = ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS;
		else if (_player->InBattlegroundQueueForBattlegroundQueueType(bgQueueTypeIdRandom)) // queued for random bg, so can't queue for anything else
            err = ERR_IN_RANDOM_BG;
		else if (_player->InBattlegroundQueue() && bgTypeId == BATTLEGROUND_RB) // already in queue, so can't queue for random
            err = ERR_IN_NON_RANDOM_BG;
		else if (_player->InBattlegroundQueueForBattlegroundQueueType(BATTLEGROUND_QUEUE_2v2) ||
				 _player->InBattlegroundQueueForBattlegroundQueueType(BATTLEGROUND_QUEUE_3v3) ||
				 _player->InBattlegroundQueueForBattlegroundQueueType(BATTLEGROUND_QUEUE_5v5)) // can't be already queued for arenas
			err = ERR_BATTLEGROUND_QUEUED_FOR_RATED;

		if (err <= 0)
		{
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, err);
            SendPacket(&data);
            return;
		}

        BattlegroundQueue& bgQueue = sBattlegroundMgr->GetBattlegroundQueue(bgQueueTypeId);
//.........這裏部分代碼省略.........

void WorldSession::HandleBattlemasterJoinOpcode(WorldPacket & recv_data)
{
    uint64 guid;
    uint32 bgTypeId_;
    uint32 instanceId;
    uint8 joinAsGroup;
    bool isPremade = false;
    Group* grp = NULL;

    recv_data >> guid;                                      // battlemaster guid
    recv_data >> bgTypeId_;                                 // battleground type id (DBC id)
    recv_data >> instanceId;                                // instance id, 0 if First Available selected
    recv_data >> joinAsGroup;                               // join as group

    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
    {
        sLog->outError("Battleground: invalid bgtype (%u) received. possible cheater? player guid %u", bgTypeId_, _player->GetGUIDLow());
        return;
    }

    if (DisableMgr::IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, bgTypeId_, NULL))
    {
        ChatHandler(this).PSendSysMessage(LANG_BG_DISABLED);
        return;
    }

    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);

    sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_BATTLEMASTER_JOIN Message from (GUID: %u TypeId:%u)", GUID_LOPART(guid), GuidHigh2TypeId(GUID_HIPART(guid)));

    // can do this since it's battleground
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId);

    // ignore if player is already in BG
    if (_player->InBattleground())
        return;

    // get bg instance or bg template if instance not found
    Battleground* bg = NULL;
    if (instanceId)
        bg = sBattlegroundMgr->GetBattlegroundThroughClientInstance(instanceId, bgTypeId);

    if (!bg)
        bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bg)
        return;

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    GroupJoinBattlegroundResult err;

    // check queue conditions
    if (!joinAsGroup)
    {
        // check Deserter debuff
        if (!_player->CanJoinToBattleground())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        // check if already in queue
        if (_player->GetBattlegroundQueueIndex(bgQueueTypeId) < PLAYER_MAX_BATTLEGROUND_QUEUES)
            return;

        // check if has free queue slots
        if (!_player->HasFreeBattlegroundQueueId())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_BATTLEGROUND_TOO_MANY_QUEUES);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        BattlegroundQueue& bgQueue = sBattlegroundMgr->m_BattlegroundQueues[bgQueueTypeId];

        GroupQueueInfo* ginfo = bgQueue.AddGroup(_player, NULL, bgTypeId, bracketEntry, isPremade);
        uint32 avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        // already checked if queueSlot is valid, now just get it
        uint32 queueSlot = _player->AddBattlegroundQueueId(bgQueueTypeId);

        WorldPacket data;
                                                            // send status packet (in queue)
        sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0);
        SendPacket(&data);
        sLog->outDebug(LOG_FILTER_BATTLEGROUND, "Battleground: player joined queue for bg queue type %u bg type %u: GUID %u, NAME %s", bgQueueTypeId, bgTypeId, _player->GetGUIDLow(), _player->GetName());
    }
    else
    {
        grp = _player->GetGroup();
        // no group found, error
        if (!grp)
            return;
        if (grp->GetLeaderGUID() != _player->GetGUID())
            return;
//.........這裏部分代碼省略.........

void WorldSession::HandleBattlemasterJoinOpcode(WorldPacket& recvData)
{
    uint32 bgTypeId_;
    uint32 instanceId;
    uint8 asGroup;
    bool isPremade = false;
    Group* grp = NULL;
    ObjectGuid guid;

    recvData >> instanceId;                 // Instance Id
    guid[2] = recvData.ReadBit();
    guid[0] = recvData.ReadBit();
    guid[3] = recvData.ReadBit();
    guid[1] = recvData.ReadBit();
    guid[5] = recvData.ReadBit();
    asGroup = recvData.ReadBit();           // As Group
    guid[4] = recvData.ReadBit();
    guid[6] = recvData.ReadBit();
    guid[7] = recvData.ReadBit();

    recvData.ReadByteSeq(guid[2]);
    recvData.ReadByteSeq(guid[6]);
    recvData.ReadByteSeq(guid[4]);
    recvData.ReadByteSeq(guid[3]);
    recvData.ReadByteSeq(guid[7]);
    recvData.ReadByteSeq(guid[0]);
    recvData.ReadByteSeq(guid[5]);
    recvData.ReadByteSeq(guid[1]);

    //extract from guid
    bgTypeId_ = GUID_LOPART(guid);

    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
    {
        TC_LOG_ERROR("network", "Battleground: invalid bgtype (%u) received. possible cheater? player guid %u", bgTypeId_, _player->GetGUIDLow());
        return;
    }

    if (DisableMgr::IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, bgTypeId_, NULL))
    {
        ChatHandler(this).PSendSysMessage(LANG_BG_DISABLED);
        return;
    }
    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);

    //TC_LOG_DEBUG("network", "WORLD: Recvd CMSG_BATTLEMASTER_JOIN Message from (GUID:"UI64FMTD" TypeId:%u)", guid, bgTypeId_);

    // can do this, since it's battleground, not arena
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, 0);
    BattlegroundQueueTypeId bgQueueTypeIdRandom = BattlegroundMgr::BGQueueTypeId(BATTLEGROUND_RB, 0);

    // ignore if player is already in BG
    if (_player->InBattleground())
        return;

    // get bg instance or bg template if instance not found
    Battleground* bg = NULL;
    if (instanceId)
        bg = sBattlegroundMgr->GetBattlegroundThroughClientInstance(instanceId, bgTypeId);

    if (!bg)
        bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bg)
        return;

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    GroupJoinBattlegroundResult err = ERR_BATTLEGROUND_NONE;

    // check queue conditions
    if (!asGroup)
    {
        if (GetPlayer()->isUsingLfg())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildStatusFailedPacket(&data, bg, _player, 0, ERR_LFG_CANT_USE_BATTLEGROUND);
            GetPlayer()->GetSession()->SendPacket(&data);
            return;
        }

        // check Deserter debuff
        if (!_player->CanJoinToBattleground(bg))
        {
            WorldPacket data;
            sBattlegroundMgr->BuildStatusFailedPacket(&data, bg, _player, 0, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _player->GetSession()->SendPacket(&data);
            return;
        }

        if (_player->GetBattlegroundQueueIndex(bgQueueTypeIdRandom) < PLAYER_MAX_BATTLEGROUND_QUEUES)
        {
            // player is already in random queue
            WorldPacket data;
            sBattlegroundMgr->BuildStatusFailedPacket(&data, bg, _player, 0, ERR_IN_RANDOM_BG);
            _player->GetSession()->SendPacket(&data);
            return;
        }
//.........這裏部分代碼省略.........

void WorldSession::HandleBattlemasterJoinOpcode(WorldPackets::Battleground::BattlemasterJoin& battlemasterJoin)
{
    bool isPremade = false;
    Group* grp = NULL;
    uint32 bgTypeId_ = battlemasterJoin.QueueID & 0xFFFF;
    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
    {
        TC_LOG_ERROR("network", "Battleground: invalid bgtype (%u) received. possible cheater? %s", bgTypeId_, _player->GetGUID().ToString().c_str());
        return;
    }

    if (DisableMgr::IsDisabledFor(DISABLE_TYPE_BATTLEGROUND, bgTypeId_, NULL))
    {
        ChatHandler(this).PSendSysMessage(LANG_BG_DISABLED);
        return;
    }

    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);

    // can do this, since it's battleground, not arena
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, 0);
    BattlegroundQueueTypeId bgQueueTypeIdRandom = BattlegroundMgr::BGQueueTypeId(BATTLEGROUND_RB, 0);

    // ignore if player is already in BG
    if (_player->InBattleground())
        return;

    // get bg instance or bg template if instance not found
    Battleground* bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);
    if (!bg)
        return;

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    GroupJoinBattlegroundResult err = ERR_BATTLEGROUND_NONE;

    // check queue conditions
    if (!battlemasterJoin.JoinAsGroup)
    {
        if (GetPlayer()->isUsingLfg())
        {
            WorldPackets::Battleground::BattlefieldStatusFailed battlefieldStatus;
            sBattlegroundMgr->BuildBattlegroundStatusFailed(&battlefieldStatus, bg, _player, 0, 0, ERR_LFG_CANT_USE_BATTLEGROUND);
            SendPacket(battlefieldStatus.Write());
            return;
        }

        // check Deserter debuff
        if (!_player->CanJoinToBattleground(bg))
        {
            WorldPackets::Battleground::BattlefieldStatusFailed battlefieldStatus;
            sBattlegroundMgr->BuildBattlegroundStatusFailed(&battlefieldStatus, bg, _player, 0, 0, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            SendPacket(battlefieldStatus.Write());
            return;
        }

        if (_player->GetBattlegroundQueueIndex(bgQueueTypeIdRandom) < PLAYER_MAX_BATTLEGROUND_QUEUES)
        {
            // player is already in random queue
            WorldPackets::Battleground::BattlefieldStatusFailed battlefieldStatus;
            sBattlegroundMgr->BuildBattlegroundStatusFailed(&battlefieldStatus, bg, _player, 0, 0, ERR_IN_RANDOM_BG);
            SendPacket(battlefieldStatus.Write());
            return;
        }

        if (_player->InBattlegroundQueue() && bgTypeId == BATTLEGROUND_RB)
        {
            // player is already in queue, can't start random queue
            WorldPackets::Battleground::BattlefieldStatusFailed battlefieldStatus;
            sBattlegroundMgr->BuildBattlegroundStatusFailed(&battlefieldStatus, bg, _player, 0, 0, ERR_IN_NON_RANDOM_BG);
            SendPacket(battlefieldStatus.Write());
            return;
        }

        // check if already in queue
        if (_player->GetBattlegroundQueueIndex(bgQueueTypeId) < PLAYER_MAX_BATTLEGROUND_QUEUES)
            // player is already in this queue
            return;

        // check if has free queue slots
        if (!_player->HasFreeBattlegroundQueueId())
        {
            WorldPackets::Battleground::BattlefieldStatusFailed battlefieldStatus;
            sBattlegroundMgr->BuildBattlegroundStatusFailed(&battlefieldStatus, bg, _player, 0, 0, ERR_BATTLEGROUND_TOO_MANY_QUEUES);
            SendPacket(battlefieldStatus.Write());
            return;
        }

        // check Freeze debuff
        if (_player->HasAura(9454))
            return;

        BattlegroundQueue& bgQueue = sBattlegroundMgr->GetBattlegroundQueue(bgQueueTypeId);
        GroupQueueInfo* ginfo = bgQueue.AddGroup(_player, NULL, bgTypeId, bracketEntry, 0, false, isPremade, 0, 0);

        uint32 avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        uint32 queueSlot = _player->AddBattlegroundQueueId(bgQueueTypeId);
//.........這裏部分代碼省略.........

void WorldSession::HandleBattleFieldPortOpcode(WorldPacket &recvData)
{
    uint8 arenaType;                                        // arenatype if arena
    uint8 unk2;                                             // unk, can be 0x0 (may be if was invited?) and 0x1
    uint32 bgTypeId_;                                       // type id from dbc
    uint16 unk;                                             // 0x1F90 constant?
    uint8 action;                                           // enter battle 0x1, leave queue 0x0

    recvData >> arenaType >> unk2 >> bgTypeId_ >> unk >> action;

	// bgTypeId not valid
    if (!sBattlemasterListStore.LookupEntry(bgTypeId_))
        return;

	// player not in any queue, so can't really answer
    if (!_player->InBattlegroundQueue())
        return;

    // get BattlegroundQueue for received 
    BattlegroundTypeId bgTypeId = BattlegroundTypeId(bgTypeId_);
    BattlegroundQueueTypeId bgQueueTypeId = BattlegroundMgr::BGQueueTypeId(bgTypeId, arenaType);
    BattlegroundQueue& bgQueue = sBattlegroundMgr->GetBattlegroundQueue(bgQueueTypeId);

    // get group info from queue
    GroupQueueInfo ginfo;
    if (!bgQueue.GetPlayerGroupInfoData(_player->GetGUID(), &ginfo))
        return;

    // to accept, player must be invited to particular battleground id
    if (!ginfo.IsInvitedToBGInstanceGUID && action == 1)
        return;

    Battleground* bg = sBattlegroundMgr->GetBattleground(ginfo.IsInvitedToBGInstanceGUID);

    // use template if leaving queue (instance might not be created yet)
    if (!bg && action == 0)
        bg = sBattlegroundMgr->GetBattlegroundTemplate(bgTypeId);

    if (!bg)
        return;

    // expected bracket entry
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    // safety checks
    if (action == 1 && ginfo.ArenaType == 0)
    {
        // can't join with deserter, check it here right before joining to be sure
        if (!_player->CanJoinToBattleground())
        {
            WorldPacket data;
            sBattlegroundMgr->BuildGroupJoinedBattlegroundPacket(&data, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            SendPacket(&data);
            action = 0;
        }

        if (_player->getLevel() > bg->GetMaxLevel())
            action = 0;
    }

	// get player queue slot index for this bg (can be in up to 2 queues at the same time)
    uint32 queueSlot = _player->GetBattlegroundQueueIndex(bgQueueTypeId);

    WorldPacket data;
    switch (action)
    {
        case 1: // accept
			{
				// set entry point if not in battleground
				if (!_player->InBattleground())
					_player->SetEntryPoint();

				// resurrect the player
				if (!_player->IsAlive())
				{
					_player->ResurrectPlayer(1.0f);
					_player->SpawnCorpseBones();
				}

				// remove player from all bg queues
				for (uint32 qslot = 0; qslot < PLAYER_MAX_BATTLEGROUND_QUEUES; ++qslot)
					if (BattlegroundQueueTypeId q = _player->GetBattlegroundQueueTypeId(qslot))
					{
						BattlegroundQueue& queue = sBattlegroundMgr->GetBattlegroundQueue(q);
						queue.RemovePlayer(_player->GetGUID(), (bgQueueTypeId == q), qslot);
						_player->RemoveBattlegroundQueueId(q);
					}

				// send status packet
				sBattlegroundMgr->BuildBattlegroundStatusPacket(&data, bg, queueSlot, STATUS_IN_PROGRESS, 0, bg->GetStartTime(), bg->GetArenaType(), ginfo.teamId);
				SendPacket(&data);

				_player->SetBattlegroundId(bg->GetInstanceID(), bg->GetBgTypeID(), queueSlot, true, bgTypeId == BATTLEGROUND_RB, ginfo.teamId);

				sBattlegroundMgr->SendToBattleground(_player, ginfo.IsInvitedToBGInstanceGUID, bgTypeId);
			}
            break;
        case 0: // leave queue
//.........這裏部分代碼省略.........