C++ Group::CanJoinBattleGroundQueue方法代码示例

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.........

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 || grp->isLFDGroup())
            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;

            avg_pers_rating += at_member->matchmaker_rating;
        }

        avg_pers_rating /= grp->GetMembersCount();

        /* Save mmr before enter arena (matchmaker rating fix) */
        at->SetBattleRating(avg_pers_rating);

        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::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: Received opcode CMSG_BATTLEMASTER_JOIN from %s", guid.GetString().c_str());

    // 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;

    // 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)
            // 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 (joinAsGroup)
    {
        GroupQueueInfo* ginfo = NULL;
        uint32 avgTime = 0;

        if (err > 0)
        {
            DEBUG_LOG("Battleground: the following players are joining as group:");
            ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bracketEntry, ARENA_TYPE_NONE, false, isPremade, 0);
            avgTime = bgQueue.GetAverageQueueWaitTime(ginfo, bracketEntry->GetBracketId());
        }

        for (GroupReference* itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
        {
            Player* member = itr->getSource();
            if (!member)
//.........这里部分代码省略.........

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

    uint64 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 existance
    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;

    // check queueing 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;
        uint32 err = grp->CanJoinBattleGroundQueue(bg, bgQueueTypeId, arenatype, arenatype, (bool)isRated, arenaslot);
        if (err != BG_JOIN_ERR_OK)
        {
            SendBattleGroundOrArenaJoinError(err);
            return;
        }
    }

    uint32 ateamId = 0;

    if (isRated)
    {
        ateamId = _player->GetArenaTeamId(arenaslot);
        // check real arenateam existence only here (if it was moved to group->CanJoin .. () then we would ahve to get it twice)
        ArenaTeam * at = sObjectMgr.GetArenaTeamById(ateamId);
        if (!at)
        {
            _player->GetSession()->SendNotInArenaTeamPacket(arenatype);
            return;
        }
        // get the team rating for queueing
        arenaRating = at->GetRating();
        // the arenateam id must match for everyone in the group
        // get the personal ratings for queueing
        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::HandleBattleGroundArenaJoin(WorldPacket& recv_data)
{
    sLog.outDebug("WORLD: CMSG_BATTLEMASTER_JOIN_ARENA");
    //recv_data.hexlike();

    uint64 guid;                                            // arena Battlemaster guid
    uint8 arenaslot;                                        // 2v2, 3v3 or 5v5
    uint8 asGroup;                                          // asGroup
    uint8 isRated;                                          // isRated
    Group * grp = NULL;

    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 HandleBattleGroundArenaJoin()", arenaslot);
            return;
    }

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

    uint8 bgTypeId = bg->GetTypeID();
    uint32 bgQueueTypeId = sBattleGroundMgr.BGQueueTypeId(bgTypeId, arenatype);

    // check queueing 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;
        uint32 err = grp->CanJoinBattleGroundQueue(bgTypeId, bgQueueTypeId, arenatype, arenatype, (bool)isRated, arenaslot);
        if (err != BG_JOIN_ERR_OK)
        {
            SendBattleGroundOrArenaJoinError(err);
            return;
        }
    }

    uint32 ateamId = 0;

    if (isRated)
    {
        ateamId = _player->GetArenaTeamId(arenaslot);
        // check real arenateam existence only here (if it was moved to group->CanJoin .. () then we would ahve to get it twice)
        ArenaTeam * at = objmgr.GetArenaTeamById(ateamId);
        if (!at)
        {
            _player->GetSession()->SendNotInArenaTeamPacket(arenatype);
            return;
        }
        // get the team rating for queueing
        arenaRating = at->GetRating();
        // the arenateam id must match for everyone in the group
        // get the personal ratings for queueing
        uint32 avg_pers_rating = 0;
        for (GroupReference *itr = grp->GetFirstMember(); itr != NULL; itr = itr->next())
        {
            Player* member = itr->getSource();

//.........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

    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;

    ArenaType arenatype;
    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;

    Group* grp = NULL;

    // check queue conditions
    if (!asGroup)
    {
        // you can't join in this way by client
        if (isRated)
            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;
        // 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
//.........这里部分代码省略.........

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

    uint64 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;
    uint32 arenaMMR = 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;
    }

    // is current arena type active
    if (isRated && arenatype != ARENA_TYPE_5v5)
    {
        if (!sGameEventMgr.IsActiveEventForArena(arenatype))
        {
            SendNotification("This arena bracket is not allowed right now");
            ChatHandler(GetPlayer()).SendSysMessage("Check avalible arena types by typing .arenainfo");
            return;
        }
    }

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

    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(BATTLEGROUND_AA, 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->GetGUID())
            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);
//.........这里部分代码省略.........

void WorldSession::HandleBattleGroundJoinOpcode(WorldPacket& recv_data)
{
    uint64 guid;
    uint32 bgTypeId;
    uint32 instanceId;
    uint8 joinAsGroup;
    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 (bgTypeId >= MAX_BATTLEGROUND_TYPES)
    {
        sLog.outError("Battleground: invalid bgtype received. possible cheater? player guid %u",_player->GetGUIDLow());
        return;
    }

    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
    uint32 bgQueueTypeId = sBattleGroundMgr.BGQueueTypeId(bgTypeId, 0);

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

    Creature* unit = GetPlayer()->GetMap()->GetCreature(guid);
    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.GetBattleGround(instanceId);

    if (!bg && !(bg = sBattleGroundMgr.GetBattleGroundTemplate(bgTypeId)))
    {
        sLog.outError("Battleground: no available bg / template found");
        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(bgTypeId, bgQueueTypeId, 0, bg->GetMaxPlayersPerTeam(), false, 0);
        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
    if (joinAsGroup /* && _player->GetGroup()*/)
    {
        sLog.outDebug("Battleground: the following players are joining as group:");
        GroupQueueInfo * ginfo = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddGroup(_player, bgTypeId, 0, false, 0);
        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)
            if (!sWorld.getConfig(CONFIG_BATTLEGROUND_WRATH_LEAVE_MODE))
                member->SetBattleGroundEntryPoint(member->GetMapId(), member->GetPositionX(), member->GetPositionY(), member->GetPositionZ(), member->GetOrientation());

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

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

    recv_data >> guid;                                      // battlemaster guid
    recv_data >> mapId;
    recv_data >> instanceId;                                // instance id, 0 if First Available selected
    recv_data >> joinAsGroup;                               // join as group

    BattleGroundTypeId bgTypeId = GetBattleGroundTypeIdByMapId(mapId);

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

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

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

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

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

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

    // get bg instance or bg template if instance not found
    BattleGround* bg = nullptr;
    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 != nullptr; itr = itr->next())
        {
            Player* member = itr->getSource();
            if (!member)
                continue;                                   // this should never happen

//.........这里部分代码省略.........

void WorldSession::HandleBattleGroundJoinOpcode( WorldPacket & recv_data )
{
    CHECK_PACKET_SIZE(recv_data, 8+4+4+1);

    uint64 guid;
    uint32 bgTypeId;
    uint32 instanceId;
    uint8 joinAsGroup;
    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(bgTypeId >= MAX_BATTLEGROUND_TYPES)
    {
        sLog.outError("Battleground: invalid bgtype received. possible cheater? player guid %u",_player->GetGUIDLow());
        return;
    }

    sLog.outDebug( "WORLD: Recvd CMSG_BATTLEMASTER_JOIN Message from: " I64FMT, guid);

    // can do this, since it's battleground, not arena
    uint32 bgQueueTypeId = sBattleGroundMgr.BGQueueTypeId(bgTypeId, 0);

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

    Creature *unit = ObjectAccessor::GetCreature(*_player, guid);
    if(!unit)
        return;

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

    // get bg instance or bg template if instance not found
    BattleGround * bg = 0;
    if(instanceId)
        BattleGround *bg = sBattleGroundMgr.GetBattleGround(instanceId);

    if(!bg && !(bg = sBattleGroundMgr.GetBattleGroundTemplate(bgTypeId)))
    {
        sLog.outError("Battleground: no available bg / template found");
        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(bgTypeId, bgQueueTypeId, 0, bg->GetMaxPlayersPerTeam(), false, 0);
        switch(err)
        {
            // TODO: add error-based feedback to players in all cases
        case BG_JOIN_ERR_GROUP_TOO_MANY:
            {
            WorldPacket data;
            ChatHandler::FillMessageData(&data, NULL, CHAT_MSG_BG_SYSTEM_NEUTRAL, LANG_UNIVERSAL, NULL, 0, GetTrinityString(LANG_BG_GROUP_TOO_LARGE), NULL);
            SendPacket(&data);
            }
            return;
            break;
        case BG_JOIN_ERR_OFFLINE_MEMBER:
            {
            WorldPacket data;
            ChatHandler::FillMessageData(&data, NULL, CHAT_MSG_BG_SYSTEM_NEUTRAL, LANG_UNIVERSAL, NULL, 0, GetTrinityString(LANG_BG_GROUP_OFFLINE_MEMBER), NULL);
            SendPacket(&data);
            }
            return;
            break;
        case BG_JOIN_ERR_MIXED_FACTION:
            {
            WorldPacket data;
            ChatHandler::FillMessageData(&data, NULL, CHAT_MSG_BG_SYSTEM_NEUTRAL, LANG_UNIVERSAL, NULL, 0, GetTrinityString(LANG_BG_GROUP_MIXED_FACTION), NULL);
            SendPacket(&data);
            }
            return;
//.........这里部分代码省略.........

void WorldSession::HandleBattleGroundArenaJoin( WorldPacket & recv_data )
{
    CHECK_PACKET_SIZE(recv_data, 8+1+1+1);

    sLog.outDebug("WORLD: CMSG_BATTLEMASTER_JOIN_ARENA");
    recv_data.hexlike();

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

    uint64 guid;                                            // arena Battlemaster guid
    uint8 type;                                             // 2v2, 3v3 or 5v5
    uint8 asGroup;                                          // asGroup
    uint8 isRated;                                          // isRated
    Group * grp;

    recv_data >> guid >> type >> asGroup >> isRated;

    Creature *unit = ObjectAccessor::GetCreature(*_player, guid);
    if(!unit)
        return;

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

    uint8 arenatype = 0;
    uint32 arenaRating = 0;

    switch(type)
    {
        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 type %u at HandleBattleGroundArenaJoin()", type);
            return;
    }

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

    uint8 bgTypeId = bg->GetTypeID();
    uint32 bgQueueTypeId = sBattleGroundMgr.BGQueueTypeId(bgTypeId, arenatype);

    // check queueing 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;
        uint32 err = grp->CanJoinBattleGroundQueue(bgTypeId, bgQueueTypeId, arenatype, arenatype, (bool)isRated, type);
        switch(err)
        {
            // TODO: add error-based feedback to players in all cases
        case BG_JOIN_ERR_GROUP_TOO_MANY:
            {
            WorldPacket data;
            ChatHandler::FillMessageData(&data, NULL, CHAT_MSG_BG_SYSTEM_NEUTRAL, LANG_UNIVERSAL, NULL, 0, GetTrinityString(LANG_ARENA_GROUP_TOO_LARGE), NULL);
            SendPacket(&data);
            }
            return;
            break;
        case BG_JOIN_ERR_GROUP_NOT_ENOUGH:
            {
            WorldPacket data;
            ChatHandler::FillMessageData(&data, NULL, CHAT_MSG_BG_SYSTEM_NEUTRAL, LANG_UNIVERSAL, NULL, 0, GetTrinityString(LANG_ARENA_NOT_ENOUGH_PLAYERS), NULL);
            SendPacket(&data);
            }
            return;
            break;
        case BG_JOIN_ERR_MIXED_ARENATEAM:
            {
            WorldPacket data;
            ChatHandler::FillMessageData(&data, NULL, CHAT_MSG_BG_SYSTEM_NEUTRAL, LANG_UNIVERSAL, NULL, 0, GetTrinityString(LANG_ARENA_YOUR_TEAM_ONLY), NULL);
            SendPacket(&data);
            }
            return;
//.........这里部分代码省略.........

//.........这里部分代码省略.........
            _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];

        GroupQueueInfo * ginfo = bgQueue.AddGroup(_player, NULL, bgTypeId, bracketEntry, 0, false, isPremade, 0);
        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, ginfo->ArenaType);
        SendPacket(&data);
        sLog.outDebug("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;
        err = grp->CanJoinBattleGroundQueue(bg, bgQueueTypeId, 0, bg->GetMaxPlayersPerTeam(), false, 0);
        isPremade = (grp->GetMembersCount() >= bg->GetMinPlayersPerTeam());

        BattleGroundQueue& bgQueue = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId];
        GroupQueueInfo * ginfo = NULL;
        uint32 avgTime = 0;

        if (err > 0)
        {
            sLog.outDebug("Battleground: the following players are joining as group:");
            ginfo = bgQueue.AddGroup(_player, grp, bgTypeId, bracketEntry, 0, false, isPremade, 0);
            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

            WorldPacket data;

            if (err <= 0)
            {
                sBattleGroundMgr.BuildGroupJoinedBattlegroundPacket(&data, err);
                member->GetSession()->SendPacket(&data);
                continue;
            }

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

            // send status packet (in queue)
            sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_WAIT_QUEUE, avgTime, 0, ginfo->ArenaType);
            member->GetSession()->SendPacket(&data);
            sBattleGroundMgr.BuildGroupJoinedBattlegroundPacket(&data, err);
            member->GetSession()->SendPacket(&data);
            sLog.outDebug("Battleground: player joined queue for bg queue type %u bg type %u: GUID %u, NAME %s",bgQueueTypeId,bgTypeId,member->GetGUIDLow(), member->GetName());
        }
        sLog.outDebug("Battleground: group end");

    }
    sBattleGroundMgr.ScheduleQueueUpdate(0, 0, bgQueueTypeId, bgTypeId, bracketEntry->GetBracketId());
}