C++ BattleGround::GetMapId方法代码示例

void BattleGroundMgr::SendToBattleGround(Player *pl, uint32 instanceId)
{
    BattleGround *bg = GetBattleGround(instanceId);
    if(bg)
    {
        uint32 mapid = bg->GetMapId();
        float x, y, z, O;
        uint32 team = pl->GetBGTeam();
        if(team==0)
            team = pl->GetTeam();
        bg->GetTeamStartLoc(team, x, y, z, O);

        sLog.outDetail("BATTLEGROUND: Sending %s to map %u, X %f, Y %f, Z %f, O %f", pl->GetName(), mapid, x, y, z, O);
        pl->TeleportTo(mapid, x, y, z, O);
    }
    else
    {
        sLog.outError("player %u trying to port to non-existent bg instance %u",pl->GetGUIDLow(), instanceId);
    }
}

void WorldSession::HandleMoveWorldportAckOpcode()
{
    // ignore unexpected far teleports
    if(!GetPlayer()->IsBeingTeleportedFar())
        return;

    // get the teleport destination
    WorldLocation &loc = GetPlayer()->GetTeleportDest();

    // possible errors in the coordinate validity check
    if(!MapManager::IsValidMapCoord(loc.mapid, loc.coord_x, loc.coord_y, loc.coord_z, loc.orientation))
    {
        sLog.outError("WorldSession::HandleMoveWorldportAckOpcode: player got's teleported far to a not valid location. (map:%u, x:%f, y:%f, z:%f) We log him out and don't save him..", loc.mapid, loc.coord_x, loc.coord_y, loc.coord_z);
        // stop teleportation else we would try this again in the beginning of WorldSession::LogoutPlayer...
        GetPlayer()->SetSemaphoreTeleportFar(false);
        // player don't gets saved - so his coords will stay at the point where
        // he was last saved
        LogoutPlayer(false);
        return;
    }

    // get the destination map entry, not the current one, this will fix homebind and reset greeting
    MapEntry const* mEntry = sMapStore.LookupEntry(loc.mapid);
    InstanceTemplate const* mInstance = ObjectMgr::GetInstanceTemplate(loc.mapid);

    // reset instance validity, except if going to an instance inside an instance
    if(GetPlayer()->m_InstanceValid == false && !mInstance)
        GetPlayer()->m_InstanceValid = true;

    GetPlayer()->SetSemaphoreTeleportFar(false);

    // relocate the player to the teleport destination
    GetPlayer()->SetMap(MapManager::Instance().CreateMap(loc.mapid, GetPlayer()));
    GetPlayer()->Relocate(loc.coord_x, loc.coord_y, loc.coord_z, loc.orientation);

    // check this before Map::Add(player), because that will create the instance save!
    bool reset_notify = (GetPlayer()->GetBoundInstance(GetPlayer()->GetMapId()) == NULL);

    GetPlayer()->SendInitialPacketsBeforeAddToMap();
    // the CanEnter checks are done in TeleporTo but conditions may change
    // while the player is in transit, for example the map may get full
    if(!GetPlayer()->GetMap()->Add(GetPlayer()))
    {
        //if player wasn't added to map, reset his map pointer!
        GetPlayer()->ResetMap();

        DEBUG_LOG("WORLD: teleport of player %s (%d) to location %d, %f, %f, %f, %f failed", GetPlayer()->GetName(), GetPlayer()->GetGUIDLow(), loc.mapid, loc.coord_x, loc.coord_y, loc.coord_z, loc.orientation);
        // teleport the player home
        GetPlayer()->TeleportToHomebind();
        return;
    }
    GetPlayer()->SendInitialPacketsAfterAddToMap();

    // flight fast teleport case
    if(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
    {
        if(!_player->InBattleGround())
        {
            // short preparations to continue flight
            FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
            flight->Reset(*GetPlayer());
            return;
        }

        // battleground state prepare, stop flight
        GetPlayer()->GetMotionMaster()->MovementExpired();
        GetPlayer()->m_taxi.ClearTaxiDestinations();
    }

    // resurrect character at enter into instance where his corpse exist after add to map
    Corpse *corpse = GetPlayer()->GetCorpse();
    if (corpse && corpse->GetType() != CORPSE_BONES && corpse->GetMapId() == GetPlayer()->GetMapId())
    {
        if( mEntry->IsDungeon() )
        {
            GetPlayer()->ResurrectPlayer(0.5f);
            GetPlayer()->SpawnCorpseBones();
        }
    }

    if(mEntry->IsRaid() && mInstance)
    {
        if(reset_notify)
        {
            uint32 timeleft = sInstanceSaveMgr.GetResetTimeFor(GetPlayer()->GetMapId()) - time(NULL);
            GetPlayer()->SendInstanceResetWarning(GetPlayer()->GetMapId(), timeleft); // greeting at the entrance of the resort raid instance
        }
    }

    // mount allow check
    if(!mEntry->IsMountAllowed())
        _player->RemoveSpellsCausingAura(SPELL_AURA_MOUNTED);

    // battleground state prepare
    // only add to bg group and object, if the player was invited (else he entered through command)
    if(_player->InBattleGround() && _player->IsInvitedForBattleGroundInstance(_player->GetBattleGroundId()))
    {
        BattleGround *bg = _player->GetBattleGround();
        if(bg)
        {
//.........这里部分代码省略.........

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

    recv_data >> instanceId;                                // instance id, 0 if First Available selected
    recv_data.ReadGuidMask<2, 0, 3, 1, 5>(guid);
    joinAsGroup = recv_data.ReadBit();
    recv_data.ReadGuidMask<4, 6, 7>(guid);
    recv_data.ReadGuidBytes<2, 6, 4, 3, 7, 0, 5, 1>(guid);

    bgTypeId_ = guid.GetCounter();
    DEBUG_LOG("WORLD: Received opcode CMSG_BATTLEMASTER_JOIN from %s, typeid: %u, asGroup: %u, bg guid: %s",
        _player->GetGuidStr().c_str(), bgTypeId_, joinAsGroup, guid.GetString().c_str());

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

    BattleGroundTypeId bgTypeId = BattleGroundTypeId(bgTypeId_);

    // can do this, since it's battleground, not arena
    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId, ARENA_TYPE_NONE);

    // 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)))
    {
        sLog.outError("Battleground: no available bg / template found");
        return;
    }

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

    GroupJoinBattlegroundResult err = ERR_BATTLEGROUND_NONE;

    // check queue conditions
    if (!joinAsGroup)
    {
        // check Deserter debuff
        if (!_player->CanJoinToBattleground())
        {
            WorldPacket data;
            sBattleGroundMgr.BuildBattleGroundStatusFailedPacket(&data, bg, _player, 0, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _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())
            return;
    }
    else
    {
        grp = _player->GetGroup();
        // no group found, error
        if (!grp)
            return;
        if (grp->GetLeaderGuid() != _player->GetObjectGuid())
            return;
        err = grp->CanJoinBattleGroundQueue(bg, bgQueueTypeId, 0, bg->GetMaxPlayersPerTeam(), false, 0);
        isPremade = sWorld.getConfig(CONFIG_UINT32_BATTLEGROUND_PREMADE_GROUP_WAIT_FOR_MATCH) &&
                    (grp->GetMembersCount() >= bg->GetMinPlayersPerTeam());
    }
    // if we're here, then the conditions to join a bg are met. We can proceed in joining.

    // _player->GetGroup() was already checked, grp is already initialized
    BattleGroundQueue& bgQueue = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId];
    if (err)
    {
        WorldPacket data;
        sBattleGroundMgr.BuildBattleGroundStatusFailedPacket(&data, bg, _player, 0, err);
        SendPacket(&data);
    }
    else if (joinAsGroup)
    {
        GroupQueueInfo* ginfo = NULL;
        uint32 avgTime = 0;

        DEBUG_LOG("Battleground: the following players are joining as group:");
        ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bracketEntry, ARENA_TYPE_NONE, false, isPremade, 0);
//.........这里部分代码省略.........

void WorldSession::HandleBattlemasterJoinArena(WorldPacket& recv_data)
{
    DEBUG_LOG("WORLD: CMSG_BATTLEMASTER_JOIN_ARENA");
    // recv_data.hexlike();

    uint8 arenaslot;                                        // 2v2, 3v3 or 5v5

    recv_data >> arenaslot;

    // ignore if we already in BG or BG queue
    if (_player->InBattleGround())
        return;

    ArenaType arenatype = ArenaTeam::GetTypeBySlot(arenaslot);
    uint32 arenaRating = 0;

    if (!IsArenaTypeValid(arenatype))
    {
        sLog.outError("Unknown arena slot %u at HandleBattlemasterJoinArena()", arenaslot);
        return;
    }

    // check existence
    BattleGround* bg = sBattleGroundMgr.GetBattleGroundTemplate(BATTLEGROUND_AA);
    if (!bg)
    {
        sLog.outError("Battleground: template bg (all arenas) not found");
        return;
    }

    BattleGroundTypeId bgTypeId = bg->GetTypeID();
    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId, arenatype);
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(), _player->getLevel());
    if (!bracketEntry)
        return;

    Group* grp = _player->GetGroup();
    // no group found, error
    if (!grp)
        return;
    if (grp->GetLeaderGuid() != _player->GetObjectGuid())
        return;

    uint32 ateamId = _player->GetArenaTeamId(arenaslot);
    // check real arena team existence only here (if it was moved to group->CanJoin .. () then we would have to get it twice)
    ArenaTeam* at = sObjectMgr.GetArenaTeamById(ateamId);
    if (!at)
    {
        _player->GetSession()->SendNotInArenaTeamPacket(arenatype);
        return;
    }
    // get the team rating for queue
    arenaRating = at->GetRating();
    // the arena team id must match for everyone in the group
    // get the personal ratings for queue
    uint32 avg_pers_rating = 0;

    for (Group::member_citerator citr = grp->GetMemberSlots().begin(); citr != grp->GetMemberSlots().end(); ++citr)
    {
        ArenaTeamMember const* at_member = at->GetMember(citr->guid);
        if (!at_member)                                 // group member joining to arena must be in leader arena team
            return;

        // calc avg personal rating
        avg_pers_rating += at_member->personal_rating;
    }

    avg_pers_rating /= grp->GetMembersCount();

    // if avg personal rating is more than 150 points below the teams rating, the team will be queued against an opponent matching or similar to the average personal rating
    if (avg_pers_rating + 150 < arenaRating)
        arenaRating = avg_pers_rating;

    BattleGroundQueue& bgQueue = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId];
    uint32 avgTime = 0;

    // may be Group::CanJoinBattleGroundQueue should be moved to player class...
    GroupJoinBattlegroundResult err = grp->CanJoinBattleGroundQueue(bg, bgQueueTypeId, arenatype, arenatype, true, arenaslot);
    if (!err)
    {
        DEBUG_LOG("Battleground: arena join as group start");
        DEBUG_LOG("Battleground: arena team id %u, leader %s queued with rating %u for type %u", _player->GetArenaTeamId(arenaslot), _player->GetName(), arenaRating, arenatype);

        GroupQueueInfo* ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bracketEntry, arenatype, true, false, arenaRating, ateamId);
        avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
    }

    for (GroupReference* itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
    {
        Player* member = itr->getSource();
        if (!member)
            continue;

        WorldPacket data;

        if (err)
        {
            sBattleGroundMgr.BuildBattleGroundStatusFailedPacket(&data, bg, member, 0, err);
            member->GetSession()->SendPacket(&data);
            continue;
//.........这里部分代码省略.........

void WorldSession::HandleBattlefieldStatusOpcode(WorldPacket& /*recv_data*/)
{
    // empty opcode
    DEBUG_LOG("WORLD: CMSG_BATTLEFIELD_STATUS");

    WorldPacket data;
    // we must update all queues here
    BattleGround* bg = NULL;
    for (uint8 i = 0; i < PLAYER_MAX_BATTLEGROUND_QUEUES; ++i)
    {
        BattleGroundQueueTypeId bgQueueTypeId = _player->GetBattleGroundQueueTypeId(i);
        if (!bgQueueTypeId)
            continue;

        BattleGroundTypeId bgTypeId = BattleGroundMgr::BGTemplateId(bgQueueTypeId);
        ArenaType arenaType = BattleGroundMgr::BGArenaType(bgQueueTypeId);
        if (bgTypeId == _player->GetBattleGroundTypeId())
        {
            bg = _player->GetBattleGround();
            // i cannot check any variable from player class because player class doesn't know if player is in 2v2 / 3v3 or 5v5 arena
            // so i must use bg pointer to get that information
            if (bg && bg->GetArenaType() == arenaType)
            {
                // this line is checked, i only don't know if GetStartTime is changing itself after bg end!
                // send status in BattleGround
                sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, _player, i, STATUS_IN_PROGRESS, bg->GetEndTime(), 0, arenaType);
                SendPacket(&data);
                continue;
            }
        }
        // we are sending update to player about queue - he can be invited there!
        // get GroupQueueInfo for queue status
        BattleGroundQueue& bgQueue = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId];
        GroupQueueInfo ginfo;
        if (!bgQueue.GetPlayerGroupInfoData(_player->GetObjectGuid(), &ginfo))
            continue;
        if (ginfo.IsInvitedToBGInstanceGUID)
        {
            bg = sBattleGroundMgr.GetBattleGround(ginfo.IsInvitedToBGInstanceGUID, bgTypeId);
            if (!bg)
                continue;
            uint32 remainingTime = WorldTimer::getMSTimeDiff(WorldTimer::getMSTime(), ginfo.RemoveInviteTime);
            // send status invited to BattleGround
            sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, _player, i, STATUS_WAIT_JOIN, remainingTime, 0, arenaType);
            SendPacket(&data);
        }
        else
        {
            bg = sBattleGroundMgr.GetBattleGroundTemplate(bgTypeId);
            if (!bg)
                continue;

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

            uint32 avgTime = bgQueue.GetAverageQueueWaitTime(&ginfo, bracketEntry->GetBracketId());
            // send status in BattleGround Queue
            sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, _player, i, STATUS_WAIT_QUEUE, avgTime, WorldTimer::getMSTimeDiff(ginfo.JoinTime, WorldTimer::getMSTime()), arenaType);
            SendPacket(&data);
        }
    }
}

void WorldSession::HandleBattleFieldPortOpcode(WorldPacket& recv_data)
{
    DEBUG_LOG("WORLD: Received opcode CMSG_BATTLEFIELD_PORT");

    uint32 time;
    uint32 queueSlot;
    uint32 unk;                                             // unk
    uint8 action;                                           // enter battle 0x1, leave queue 0x0
    ObjectGuid guid;                                        // player guid

    recv_data >> time >> queueSlot >> unk;

    recv_data.ReadGuidMask<0, 1, 5, 6, 7, 4, 3, 2>(guid);
    action = recv_data.ReadBit() ? 1 : 0;
    recv_data.ReadGuidBytes<1, 3, 5, 7, 0, 2, 6, 4>(guid);

    DEBUG_LOG("WORLD: Recvd CMSG_BATTLEFIELD_PORT Message, time %u queueSlot %u unk %u action %u guid %s",
        time, queueSlot, unk, action, guid.GetString().c_str());

    //if (type && !IsArenaTypeValid(ArenaType(type)))
    //{
    //    sLog.outError("BattlegroundHandler: Invalid CMSG_BATTLEFIELD_PORT received from player (%u), arena type wrong: %u.", _player->GetGUIDLow(), type);
    //    return;
    //}

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

    BattleGroundQueueTypeId bgQueueTypeId = _player->GetBattleGroundQueueTypeId(queueSlot);
    if (bgQueueTypeId == BATTLEGROUND_QUEUE_NONE)
    {
        sLog.outError("BattlegroundHandler: invalid queueSlot (%u) received.", queueSlot);
        return;
    }

    // get GroupQueueInfo from BattleGroundQueue
    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->GetObjectGuid(), &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;
    }

    BattleGroundTypeId bgTypeId = BattleGroundMgr::BGTemplateId(bgQueueTypeId);
    // ::BGTemplateId returns BATTLEGROUND_AA when it is arena queue.
    // Do instance id search as there is no AA bg instances.
    BattleGround* bg = sBattleGroundMgr.GetBattleGround(ginfo.IsInvitedToBGInstanceGUID, bgTypeId == BATTLEGROUND_AA ? BATTLEGROUND_TYPE_NONE : 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 instance id %u type id %u.", ginfo.IsInvitedToBGInstanceGUID, bgTypeId);
        return;
    }

    // get real bg type
    bgTypeId = bg->GetTypeID();
    // 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 == ARENA_TYPE_NONE)
    {
        // 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.BuildBattleGroundStatusFailedPacket(&data2, bg, _player, queueSlot, ERR_GROUP_JOIN_BATTLEGROUND_DESERTERS);
            _player->GetSession()->SendPacket(&data2);
            action = 0;
            DEBUG_LOG("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;
        }
    }

    WorldPacket data;
    switch (action)
    {
//.........这里部分代码省略.........

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

    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;
    }

    BattleGroundTypeId bgTypeId = BattleGroundTypeId(bgTypeId_);

    DEBUG_LOG( "WORLD: Recvd CMSG_BATTLEMASTER_JOIN Message from %s", guid.GetString().c_str());

    // 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;

	// prevent joining from instances
    uint32 mapid = _player->GetMapId();
    if(mapid != 0 && mapid != 1 && mapid != 530 && mapid != 571)
    {
        SendNotification("¡No puedes acceder a un campo de batalla desde aqui!");
        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)))
    {
        sLog.outError("Battleground: no available bg / template found");
        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;
        }

        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;
        }
//.........这里部分代码省略.........

void WorldSession::HandleBattlemasterJoinArena( WorldPacket & recv_data )
{
    DEBUG_LOG("WORLD: CMSG_BATTLEMASTER_JOIN_ARENA");
    //recv_data.hexlike();

    ObjectGuid guid;                                        // arena Battlemaster guid
    uint8 arenaslot;                                        // 2v2, 3v3 or 5v5
    uint8 asGroup;                                          // asGroup
    uint8 isRated;                                          // isRated
    Group * grp;

    recv_data >> guid >> arenaslot >> asGroup >> isRated;

    // ignore if we already in BG or BG queue
    if (_player->InBattleGround())
        return;

    Creature *unit = GetPlayer()->GetMap()->GetCreature(guid);
    if (!unit)
        return;

    if(!unit->isBattleMaster())                             // it's not battle master
        return;

    uint8 arenatype = 0;
    uint32 arenaRating = 0;

    switch(arenaslot)
    {
        case 0:
            arenatype = ARENA_TYPE_2v2;
            break;
        case 1:
            arenatype = ARENA_TYPE_3v3;
            break;
        case 2:
            arenatype = ARENA_TYPE_5v5;
            break;
        default:
            sLog.outError("Unknown arena slot %u at HandleBattlemasterJoinArena()", arenaslot);
            return;
    }

    // check existence
    BattleGround* bg = sBattleGroundMgr.GetBattleGroundTemplate(BATTLEGROUND_AA);
    if (!bg)
    {
        sLog.outError("Battleground: template bg (all arenas) not found");
        return;
    }

    BattleGroundTypeId bgTypeId = bg->GetTypeID();
    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId, arenatype);
    PvPDifficultyEntry const* bracketEntry = GetBattlegroundBracketByLevel(bg->GetMapId(),_player->getLevel());
    if (!bracketEntry)
        return;

    GroupJoinBattlegroundResult err;

    // check queue conditions
    if (!asGroup)
    {
        // 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())
            return;
    }
    else
    {
        grp = _player->GetGroup();
        // no group found, error
        if (!grp)
            return;
        if (grp->GetLeaderGuid() != _player->GetObjectGuid())
            return;
        // may be Group::CanJoinBattleGroundQueue should be moved to player class...
        err = grp->CanJoinBattleGroundQueue(bg, bgQueueTypeId, arenatype, arenatype, (bool)isRated, arenaslot);
    }

    uint32 ateamId = 0;

    if (isRated)
    {
        ateamId = _player->GetArenaTeamId(arenaslot);
        // check real arena team existence only here (if it was moved to group->CanJoin .. () then we would have to get it twice)
        ArenaTeam * at = sObjectMgr.GetArenaTeamById(ateamId);
        if (!at)
        {
            _player->GetSession()->SendNotInArenaTeamPacket(arenatype);
            return;
        }
        // get the team rating for queue
        arenaRating = at->GetRating();
        // the arena team id must match for everyone in the group
        // get the personal ratings for queue
        uint32 avg_pers_rating = 0;
        for(GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
//.........这里部分代码省略.........

void WorldSession::HandleBattleFieldPortOpcode( WorldPacket &recv_data )
{
    DEBUG_LOG( "WORLD: Recvd CMSG_BATTLEFIELD_PORT Message");

    uint8 type;                                             // 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

    recv_data >> type >> unk2 >> bgTypeId_ >> unk >> action;

    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, 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;
            DEBUG_LOG("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 )
    {
        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->IsTaxiFlying())
            {
                _player->GetMotionMaster()->MovementExpired();
                _player->m_taxi.ClearTaxiDestinations();
//.........这里部分代码省略.........

void WorldSession::HandleMoveWorldportAckOpcode( WorldPacket & /*recv_data*/ )
{
    sLog.outDebug( "WORLD: got MSG_MOVE_WORLDPORT_ACK." );

    MapEntry const* mEntry = sMapStore.LookupEntry(GetPlayer()->GetMapId());
    if(!mEntry || !MaNGOS::IsValidMapCoord(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY()))
    {
        LogoutPlayer(false);
        return;
    }

    // reset instance validity
    GetPlayer()->m_InstanceValid = true;

    GetPlayer()->SetSemaphoreTeleport(false);

    GetPlayer()->SendInitialPacketsBeforeAddToMap();
    MapManager::Instance().GetMap(GetPlayer()->GetMapId(), GetPlayer())->Add(GetPlayer());
    GetPlayer()->SendInitialPacketsAfterAddToMap();

    // flight fast teleport case
    if(GetPlayer()->GetMotionMaster()->top()->GetMovementGeneratorType()==FLIGHT_MOTION_TYPE)
    {
        if(!_player->InBattleGround())
        {
            // short preparations to continue flight
            FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
            flight->Initialize(*GetPlayer());

            SendPath(flight->GetPath(),flight->GetCurrentNode(),flight->GetPathAtMapEnd());

            GetPlayer()->SetDontMove(false);
            return;
        }

        // battleground state prepre, stop flight
        GetPlayer()->GetMotionMaster()->MovementExpired();
        GetPlayer()->FlightComplete();
        GetPlayer()->ClearTaxiDestinations();
        GetPlayer()->StopMoving();
    }

    // resurrect character at enter into instance where his corpse exist after add to map
    Corpse *corpse = GetPlayer()->GetCorpse();
    if (corpse && corpse->GetType() == CORPSE_RESURRECTABLE && corpse->GetMapId() == GetPlayer()->GetMapId())
    {
        if( mEntry && (mEntry->map_type == MAP_INSTANCE || mEntry->map_type == MAP_RAID) )
        {
            GetPlayer()->ResurrectPlayer(0.5f,false);
            GetPlayer()->SpawnCorpseBones();
            GetPlayer()->SaveToDB();
        }
    }

    // mount allow check
    if(!_player->GetBaseMap()->IsMountAllowed())
        _player->RemoveSpellsCausingAura(SPELL_AURA_MOUNTED);

    // battleground state preper
    if(_player->InBattleGround())
    {
        BattleGround *bg = _player->GetBattleGround();
        if(bg)
        {
            if(bg->GetMapId() == _player->GetMapId())       // we teleported to bg
            {
                if(!bg->GetBgRaid(_player->GetTeam()))      // first player joined
                {
                    Group *group = new Group;
                    bg->SetBgRaid(_player->GetTeam(), group);
                    group->ConvertToRaid();
                    group->AddMember(_player->GetGUID(), _player->GetName());
                    group->ChangeLeader(_player->GetGUID());
                }
                else                                        // raid already exist
                {
                    bg->GetBgRaid(_player->GetTeam())->AddMember(_player->GetGUID(), _player->GetName());
                }
            }
        }
    }

    // honorless target
    if(GetPlayer()->pvpInfo.inHostileArea)
        GetPlayer()->CastSpell(GetPlayer(), 2479, true);

    // resummon pet
    if(GetPlayer()->m_oldpetnumber)
    {
        Pet* NewPet = new Pet(GetPlayer());
        if(!NewPet->LoadPetFromDB(GetPlayer(), 0, GetPlayer()->m_oldpetnumber, true))
            delete NewPet;

        GetPlayer()->m_oldpetnumber = 0;
    }

    GetPlayer()->SetDontMove(false);
}

void WorldSession::HandleMoveWorldportAckOpcode()
{
    // get the teleport destination
    WorldLocation &loc = GetPlayer()->GetTeleportDest();

    // possible errors in the coordinate validity check
    if(!MapManager::IsValidMapCoord(loc.mapid,loc.x,loc.y,loc.z,loc.o))
    {
        LogoutPlayer(false);
        return;
    }

    // get the destination map entry, not the current one, this will fix homebind and reset greeting
    MapEntry const* mEntry = sMapStore.LookupEntry(loc.mapid);
    InstanceTemplate const* mInstance = objmgr.GetInstanceTemplate(loc.mapid);

    // reset instance validity, except if going to an instance inside an instance
    if(GetPlayer()->m_InstanceValid == false && !mInstance)
        GetPlayer()->m_InstanceValid = true;

    GetPlayer()->SetSemaphoreTeleport(false);

    // relocate the player to the teleport destination
    GetPlayer()->SetMapId(loc.mapid);
    GetPlayer()->Relocate(loc.x, loc.y, loc.z, loc.o);

    // since the MapId is set before the GetInstance call, the InstanceId must be set to 0
    // to let GetInstance() determine the proper InstanceId based on the player's binds
    GetPlayer()->SetInstanceId(0);

    // check this before Map::Add(player), because that will create the instance save!
    bool reset_notify = (GetPlayer()->GetBoundInstance(GetPlayer()->GetMapId(), GetPlayer()->GetDifficulty()) == NULL);

    GetPlayer()->SendInitialPacketsBeforeAddToMap();
    // the CanEnter checks are done in TeleporTo but conditions may change
    // while the player is in transit, for example the map may get full
    if(!GetPlayer()->GetMap()->Add(GetPlayer()))
    {
        sLog.outDebug("WORLD: teleport of player %s (%d) to location %d,%f,%f,%f,%f failed", GetPlayer()->GetName(), GetPlayer()->GetGUIDLow(), loc.mapid, loc.x, loc.y, loc.z, loc.o);
        // teleport the player home
        GetPlayer()->SetDontMove(false);
        if(!GetPlayer()->TeleportTo(GetPlayer()->m_homebindMapId, GetPlayer()->m_homebindX, GetPlayer()->m_homebindY, GetPlayer()->m_homebindZ, GetPlayer()->GetOrientation()))
        {
            // the player must always be able to teleport home
            sLog.outError("WORLD: failed to teleport player %s (%d) to homebind location %d,%f,%f,%f,%f!", GetPlayer()->GetName(), GetPlayer()->GetGUIDLow(), GetPlayer()->m_homebindMapId, GetPlayer()->m_homebindX, GetPlayer()->m_homebindY, GetPlayer()->m_homebindZ, GetPlayer()->GetOrientation());
            assert(false);
        }
        return;
    }
    GetPlayer()->SendInitialPacketsAfterAddToMap();

    // flight fast teleport case
    if(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()==FLIGHT_MOTION_TYPE)
    {
        if(!_player->InBattleGround())
        {
            // short preparations to continue flight
            GetPlayer()->SetDontMove(false);
            FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
            flight->Initialize(*GetPlayer());
            return;
        }

        // battleground state prepare, stop flight
        GetPlayer()->GetMotionMaster()->MovementExpired();
        GetPlayer()->m_taxi.ClearTaxiDestinations();
    }

    // resurrect character at enter into instance where his corpse exist after add to map
    Corpse *corpse = GetPlayer()->GetCorpse();
    if (corpse && corpse->GetType() != CORPSE_BONES && corpse->GetMapId() == GetPlayer()->GetMapId())
    {
        if( mEntry->IsDungeon() )
        {
            GetPlayer()->ResurrectPlayer(0.5f);
            GetPlayer()->SpawnCorpseBones();
            GetPlayer()->SaveToDB();
        }
    }

    if(mEntry->IsRaid() && mInstance)
    {
        if(reset_notify)
        {
            uint32 timeleft = sInstanceSaveManager.GetResetTimeFor(GetPlayer()->GetMapId()) - time(NULL);
            GetPlayer()->SendInstanceResetWarning(GetPlayer()->GetMapId(), timeleft); // greeting at the entrance of the resort raid instance
        }
    }

    // mount allow check
    if(!mEntry->IsMountAllowed())
        _player->RemoveSpellsCausingAura(SPELL_AURA_MOUNTED);

    // battleground state prepare
    // only add to bg group and object, if the player was invited (else he entered through command)
    if(_player->InBattleGround() && _player->IsInvitedForBattleGroundInstance(_player->GetBattleGroundId()))
    {
        BattleGround *bg = _player->GetBattleGround();
        if(bg)
        {
//.........这里部分代码省略.........

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

    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;
    }

    BattleGroundTypeId bgTypeId = BattleGroundTypeId(bgTypeId_);

    sLog.outDebug( "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, not arena
    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId, 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)))
    {
        sLog.outError("Battleground: no available bg / template found");
        return;
    }

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

    // check queueing conditions
    if (!joinAsGroup)
    {
        // check Deserter debuff
        if (!_player->CanJoinToBattleground())
        {
            WorldPacket data(SMSG_GROUP_JOINED_BATTLEGROUND, 4);
            data << uint32(0xFFFFFFFE);
            _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())
            return;
    }
    else
    {
        grp = _player->GetGroup();
        // no group found, error
        if (!grp)
            return;
        uint32 err = grp->CanJoinBattleGroundQueue(bg, bgQueueTypeId, 0, bg->GetMaxPlayersPerTeam(), false, 0);
        isPremade = (grp->GetMembersCount() >= bg->GetMinPlayersPerTeam());
        if (err != BG_JOIN_ERR_OK)
        {
            SendBattleGroundOrArenaJoinError(err);
            return;
        }
    }
    // if we're here, then the conditions to join a bg are met. We can proceed in joining.

    // _player->GetGroup() was already checked, grp is already initialized
    BattleGroundQueue& bgQueue = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId];
    if (joinAsGroup /* && _player->GetGroup()*/)
    {
        sLog.outDebug("Battleground: the following players are joining as group:");
        GroupQueueInfo * ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bracketEntry, 0, false, isPremade, 0);
        uint32 avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        for(GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
        {
            Player *member = itr->getSource();
            if(!member) continue;   // this should never happen

            uint32 queueSlot = member->AddBattleGroundQueueId(bgQueueTypeId);           // add to queue

            WorldPacket data;
                                                            // send status packet (in queue)
            sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, ginfo->ArenaType);
            member->GetSession()->SendPacket(&data);
//.........这里部分代码省略.........

//.........这里部分代码省略.........
    if (!unit)
        { return; }

    if (!unit->IsBattleMaster())                            // it's not battlemaster
        { 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)))
    {
        sLog.outError("Battleground: no available bg / template found");
        return;
    }

    BattleGroundBracketId bgBracketId = _player->GetBattleGroundBracketIdFromLevel(bgTypeId);

    // check queue conditions
    if (!joinAsGroup)
    {
        // check Deserter debuff
        if (!_player->CanJoinToBattleground())
        {
            WorldPacket data(SMSG_GROUP_JOINED_BATTLEGROUND, 4);
            data << uint32(0xFFFFFFFE);
            _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())
            { return; }
    }
    else
    {
        grp = _player->GetGroup();
        // no group found, error
        if (!grp)
            { return; }
        uint32 err = grp->CanJoinBattleGroundQueue(bgTypeId, bgQueueTypeId, 0, bg->GetMaxPlayersPerTeam());
        isPremade = sWorld.getConfig(CONFIG_UINT32_BATTLEGROUND_PREMADE_GROUP_WAIT_FOR_MATCH) &&
                    (grp->GetMembersCount() >= bg->GetMinPlayersPerTeam());
        if (err != BG_JOIN_ERR_OK)
        {
            SendBattleGroundJoinError(err);
            return;
        }
    }
    // if we're here, then the conditions to join a bg are met. We can proceed in joining.

    // _player->GetGroup() was already checked, grp is already initialized
    BattleGroundQueue& bgQueue = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId];
    if (joinAsGroup)
    {
        DEBUG_LOG("Battleground: the following players are joining as group:");
        GroupQueueInfo* ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bgBracketId, isPremade);
        uint32 avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, _player->GetBattleGroundBracketIdFromLevel(bgTypeId));
        for (GroupReference* itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
        {
            Player* member = itr->getSource();
            if (!member)
                { continue; }                                   // this should never happen

            uint32 queueSlot = member->AddBattleGroundQueueId(bgQueueTypeId);           // add to queue

            // store entry point coords (same as leader entry point)
            member->SetBattleGroundEntryPoint(_player);

            WorldPacket data;
            // send status packet (in queue)
            sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0);
            member->GetSession()->SendPacket(&data);
            sBattleGroundMgr.BuildGroupJoinedBattlegroundPacket(&data, int32(bg->GetMapId()));
            member->GetSession()->SendPacket(&data);
            DEBUG_LOG("Battleground: player joined queue for bg queue type %u bg type %u: GUID %u, NAME %s", bgQueueTypeId, bgTypeId, member->GetGUIDLow(), member->GetName());
        }
        DEBUG_LOG("Battleground: group end");
    }
    else
    {
        GroupQueueInfo* ginfo = bgQueue.AddGroup(_player, NULL, bgTypeId, bgBracketId, isPremade);
        uint32 avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, _player->GetBattleGroundBracketIdFromLevel(bgTypeId));
        // already checked if queueSlot is valid, now just get it
        uint32 queueSlot = _player->AddBattleGroundQueueId(bgQueueTypeId);
        // store entry point coords
        _player->SetBattleGroundEntryPoint();

        WorldPacket data;
        // send status packet (in queue)
        sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0);
        SendPacket(&data);
        DEBUG_LOG("Battleground: player joined queue for bg queue type %u bg type %u: GUID %u, NAME %s", bgQueueTypeId, bgTypeId, _player->GetGUIDLow(), _player->GetName());
    }
    sBattleGroundMgr.ScheduleQueueUpdate(bgQueueTypeId, bgTypeId, _player->GetBattleGroundBracketIdFromLevel(bgTypeId));
}

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

    BattleGroundTypeId bgTypeId = BattleGroundTypeId(bgTypeId_);

    sLog.outDebug("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, 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;

    // 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;
        }

        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;
        }

        BattleGroundQueue& bgQueue = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId];
//.........这里部分代码省略.........