Beispiel #1
0
void WorldSession::HandleBattlefieldListOpcode(WorldPacket& recv_data)
{
    DEBUG_LOG("WORLD: Recvd CMSG_BATTLEFIELD_LIST Message");

    uint32 mapId;
    recv_data >> mapId;

    BattleGroundTypeId bgTypeId = GetBattleGroundTypeIdByMapId(mapId);

    if (bgTypeId == BATTLEGROUND_TYPE_NONE)
    {
        sLog.outError("Battleground: invalid bgtype received.");
        return;
    }

    WorldPacket data;
    sBattleGroundMgr.BuildBattleGroundListPacket(&data, _player->GetObjectGuid(), _player, BattleGroundTypeId(bgTypeId));
    SendPacket(&data);
}
Beispiel #2
0
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: 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);

    // 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.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, bgTypeId);
            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));
}
Beispiel #3
0
void WorldSession::HandleBattleFieldPortOpcode(WorldPacket& recv_data)
{
    DEBUG_LOG("WORLD: Recvd CMSG_BATTLEFIELD_PORT Message");

    uint8 action;                                           // enter battle 0x1, leave queue 0x0
    uint32 mapId;

    recv_data >> mapId >> action;

    BattleGroundTypeId bgTypeId = GetBattleGroundTypeIdByMapId(mapId);

    if (bgTypeId == BATTLEGROUND_TYPE_NONE)
    {
        sLog.outError("BattlegroundHandler: invalid bg map (%u) received.", mapId);
        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
    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId);
    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;
    }

    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;
    }

    //some checks if player isn't cheating - it is not exactly cheating, but we cannot allow it
    if (action == 1)
    {
        //if player is trying to enter battleground 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(SMSG_GROUP_JOINED_BATTLEGROUND, 4);
            data2 << uint32(0xFFFFFFFE);
            _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?

            // 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();
            }

            sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_IN_PROGRESS, 0, bg->GetStartTime());
            _player->GetSession()->SendPacket(&data);
            // remove battleground queue status from BGmgr
            bgQueue.RemovePlayer(_player->GetObjectGuid(), false);
            // this is still needed here if battleground "jumping" shouldn't add deserter debuff
            // also this is required to prevent stuck at old battleground after SetBattleGroundId set to new
            if (BattleGround* currentBg = _player->GetBattleGround())
                currentBg->RemovePlayerAtLeave(_player->GetObjectGuid(), false, true);

            // set the destination instance id
            _player->SetBattleGroundId(bg->GetInstanceID(), bgTypeId);
            // set the destination team
            _player->SetBGTeam(ginfo.GroupTeam);
            // bg->HandleBeforeTeleportToBattleGround(_player);
            sBattleGroundMgr.SendToBattleGround(_player, ginfo.IsInvitedToBGInstanceGUID, bgTypeId);
            // add only in HandleMoveWorldPortAck()
            // bg->AddPlayer(_player,team);
            DEBUG_LOG("Battleground: player %s (%u) joined battle for bg %u, bgtype %u, queue type %u.", _player->GetName(), _player->GetGUIDLow(), bg->GetInstanceID(), bg->GetTypeID(), bgQueueTypeId);
            break;
        case 0:                                         // leave queue
            _player->RemoveBattleGroundQueueId(bgQueueTypeId);  // must be called this way, because if you move this call to queue->removeplayer, it causes bugs
            sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_NONE, 0, 0);
            bgQueue.RemovePlayer(_player->GetObjectGuid(), true);
            // player left queue, we should update it
            sBattleGroundMgr.ScheduleQueueUpdate(bgQueueTypeId, bgTypeId, _player->GetBattleGroundBracketIdFromLevel(bgTypeId));
            SendPacket(&data);
            DEBUG_LOG("Battleground: player %s (%u) left queue for bgtype %u, queue type %u.", _player->GetName(), _player->GetGUIDLow(), bg->GetTypeID(), bgQueueTypeId);
            break;
        default:
            sLog.outError("Battleground port: unknown action %u", action);
            break;
    }
}
void WorldSession::HandleBattlemasterJoinOpcode( WorldPacket & recv_data )
{
    uint64 guid;
    uint32 instanceId;
    uint32 mapId;
    uint8 joinAsGroup;
    Group * grp;

    recv_data >> guid;                                      // battlemaster guid
    recv_data >> mapId;                                     // battleground type id (DBC id)
    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: 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 = 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 = NULL;
    if(instanceId)
        bg = sBattleGroundMgr.GetBattleGround(instanceId);

    if(!bg && !(bg = sBattleGroundMgr.GetBattleGroundTemplate(bgTypeId)))
    {
        sLog.outError("Battleground: no available bg / template found");
        return;
    }

    BattleGroundBracketId bgBracketId = _player->GetBattleGroundBracketIdFromLevel();

    // 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());
        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
    if(joinAsGroup /* && _player->GetGroup()*/)
    {
        DEBUG_LOG("Battleground: the following players are joining as group:");
        GroupQueueInfo * ginfo = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddGroup(_player, bgTypeId, bgBracketId);
        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, member->GetTeam(), queueSlot, STATUS_WAIT_QUEUE, 0, 0);
            member->GetSession()->SendPacket(&data);
            sBattleGroundMgr.BuildGroupJoinedBattlegroundPacket(&data, bgTypeId);
            member->GetSession()->SendPacket(&data);
            sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddPlayer(member, ginfo);
            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");
        sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].Update(bgTypeId, _player->GetBattleGroundBracketIdFromLevel());
        if(!ginfo->IsInvitedToBGInstanceGUID)
            sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AnnounceWorld(ginfo, _player->GetGUID(), true);
    }
    else
    {
        // 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, _player->GetTeam(), queueSlot, STATUS_WAIT_QUEUE, 0, 0);
        SendPacket(&data);

        GroupQueueInfo * ginfo = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddGroup(_player, bgTypeId, bgBracketId);
        sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AddPlayer(_player, ginfo);
        sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].Update(bgTypeId, _player->GetBattleGroundBracketIdFromLevel());
        if(!ginfo->IsInvitedToBGInstanceGUID)
            sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].AnnounceWorld(ginfo, _player->GetGUID(), true);
        DEBUG_LOG("Battleground: player joined queue for bg queue type %u bg type %u: GUID %u, NAME %s",bgQueueTypeId,bgTypeId,_player->GetGUIDLow(), _player->GetName());
    }
}
void WorldSession::HandleBattleFieldPortOpcode( WorldPacket &recv_data )
{
    DEBUG_LOG( "WORLD: Recvd CMSG_BATTLEFIELD_PORT Message");

    uint8 action;                                           // enter battle 0x1, leave queue 0x0
	uint32 mapId;
    recv_data >> mapId >> action;

    BattleGroundTypeId bgTypeId = GetBattleGroundTypeIdByMapId(mapId);

    if(bgTypeId == BATTLEGROUND_TYPE_NONE)
    {
        sLog.outError("Battleground: invalid bgtype (%u) received.",bgTypeId);
        // update battleground slots for the player to fix his UI and sent data.
        // this is a HACK, I don't know why the client starts sending invalid packets in the first place.
        // it usually happens with extremely high latency (if debugging / stepping in the code for example)
        if(_player->InBattleGroundQueue())
        {
            // update all queues, send invitation info if player is invited, queue info if queued
            for (uint32 i = 0; i < PLAYER_MAX_BATTLEGROUND_QUEUES; ++i)
            {
                uint32 queue_id = _player->GetBattleGroundQueueId(i);
                if(!queue_id)
                    continue;
                BattleGroundQueue::QueuedPlayersMap::iterator itrPlayerStatus = sBattleGroundMgr.m_BattleGroundQueues[queue_id].m_QueuedPlayers[_player->GetBattleGroundBracketIdFromLevel()].find(_player->GetGUID());
                // if the player is not in queue, continue
                if(itrPlayerStatus == sBattleGroundMgr.m_BattleGroundQueues[queue_id].m_QueuedPlayers[_player->GetBattleGroundBracketIdFromLevel()].end())
                    continue;

                // no group information, this should never happen
                if(!itrPlayerStatus->second.GroupInfo)
                    continue;

                BattleGround * bg = NULL;

                // get possibly needed data from groupinfo
                BattleGroundTypeId bgTypeId = itrPlayerStatus->second.GroupInfo->BgTypeId;
                uint8 status = 0;


                if(!itrPlayerStatus->second.GroupInfo->IsInvitedToBGInstanceGUID)
                {
                    // not invited to bg, get template
                    bg = sBattleGroundMgr.GetBattleGroundTemplate(bgTypeId);
                    status = STATUS_WAIT_QUEUE;
                }
                else
                {
                    // get the bg we're invited to
                    bg = sBattleGroundMgr.GetBattleGround(itrPlayerStatus->second.GroupInfo->IsInvitedToBGInstanceGUID);
                    status = STATUS_WAIT_JOIN;
                }

                // if bg not found, then continue
                if(!bg)
                    continue;

                // don't invite if already in the instance
                if(_player->InBattleGround() && _player->GetBattleGround() && _player->GetBattleGround()->GetInstanceID() == bg->GetInstanceID())
                    continue;

                // re - invite player with proper data
                WorldPacket data;
                sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, itrPlayerStatus->second.GroupInfo->Team?itrPlayerStatus->second.GroupInfo->Team:_player->GetTeam(), i, status, INVITE_ACCEPT_WAIT_TIME, 0);
                SendPacket(&data);
            }
        }
        return;
    }

    // get the bg what we were invited to
    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId);
    BattleGroundQueue::QueuedPlayersMap::iterator itrPlayerStatus =
        sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].m_QueuedPlayers[_player->GetBattleGroundBracketIdFromLevel()].find(_player->GetGUID());

    if(itrPlayerStatus == sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].m_QueuedPlayers[_player->GetBattleGroundBracketIdFromLevel()].end())
    {
        sLog.outError("Battleground: itrplayerstatus not found.");
        return;
    }

    uint32 instanceId = itrPlayerStatus->second.GroupInfo->IsInvitedToBGInstanceGUID;

    // if action == 1, then instanceId is _required_
    if(!instanceId && action == 1)
    {
        sLog.outError("Battleground: instance not found.");
        return;
    }

    BattleGround *bg = sBattleGroundMgr.GetBattleGround(instanceId);

    // 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("Battleground: bg not found for type id %u.",bgTypeId);
        return;
    }

    bgTypeId = bg->GetTypeID();

    if(_player->InBattleGroundQueue())
    {
        uint32 queueSlot = 0;
        uint32 team = 0;
        // get the team info from the queue
        BattleGroundQueue::QueuedPlayersMap::iterator pitr = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].m_QueuedPlayers[_player->GetBattleGroundBracketIdFromLevel()].find(_player->GetGUID());
        if(pitr !=sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].m_QueuedPlayers[_player->GetBattleGroundBracketIdFromLevel()].end()
            && pitr->second.GroupInfo )
        {
            team = pitr->second.GroupInfo->Team;
        }
        else
        {
            sLog.outError("Battleground: Invalid player queue info!");
            return;
        }
        WorldPacket data;
        switch(action)
        {
            case 1:                                     // port to battleground
                if(!_player->IsInvitedForBattleGroundQueueType(bgQueueTypeId))
                    return;                                     // cheating?
                // resurrect the player
                if(!_player->isAlive())
                {
                    _player->ResurrectPlayer(1.0f);
                    _player->SpawnCorpseBones();
                }
                // stop taxi flight at port
                if(_player->isInFlight())
                {
                    _player->GetMotionMaster()->MovementExpired();
                    _player->m_taxi.ClearTaxiDestinations();
                }
                _player->RemoveFromGroup();
                queueSlot = _player->GetBattleGroundQueueIndex(bgQueueTypeId);
                sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, _player->GetTeam(), queueSlot, STATUS_IN_PROGRESS, 0, bg->GetStartTime());
                _player->GetSession()->SendPacket(&data);
                // remove battleground queue status from BGmgr
                sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].RemovePlayer(_player->GetGUID(), false);
                // this is still needed here if battleground "jumping" shouldn't add deserter debuff
                // also this required to prevent stuck at old battleground after SetBattleGroundId set to new
                if( BattleGround *currentBg = _player->GetBattleGround() )
                    currentBg->RemovePlayerAtLeave(_player->GetGUID(), false, true);

                // set the destination instance id
                _player->SetBattleGroundId(bg->GetInstanceID());
                // set the destination team
                _player->SetBGTeam(team);
                // bg->HandleBeforeTeleportToBattleGround(_player);
                sBattleGroundMgr.SendToBattleGround(_player, instanceId);
                // add only in HandleMoveWorldPortAck()
                // bg->AddPlayer(_player,team);
                DEBUG_LOG("Battleground: player %s (%u) joined battle for bg %u, bgtype %u, queue type %u.",_player->GetName(),_player->GetGUIDLow(),bg->GetInstanceID(),bg->GetTypeID(),bgQueueTypeId);
                break;
            case 0:                                         // leave queue
                queueSlot = _player->GetBattleGroundQueueIndex(bgQueueTypeId);
                _player->RemoveBattleGroundQueueId(bgQueueTypeId); // must be called this way, because if you move this call to queue->removeplayer, it causes bugs
                sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, _player->GetTeam(), queueSlot, STATUS_NONE, 0, 0);
                sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].RemovePlayer(_player->GetGUID(), true);
                // player left queue, we should update it, maybe now his group fits in
                sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].Update(bgTypeId,_player->GetBattleGroundBracketIdFromLevel());
                SendPacket(&data);
                DEBUG_LOG("Battleground: player %s (%u) left queue for bgtype %u, queue type %u.",_player->GetName(),_player->GetGUIDLow(),bg->GetTypeID(),bgQueueTypeId);
                break;
            default:
                sLog.outError("Battleground port: unknown action %u", action);
                break;
        }
    }
}
void WorldSession::HandleBattleFieldPortOpcode( WorldPacket &recv_data )
{
    DEBUG_LOG( "WORLD: Recvd CMSG_BATTLEFIELD_PORT Message");

    uint8 action;                                           // enter battle 0x1, leave queue 0x0
    uint32 mapId;

    recv_data >> mapId >> action;

    BattleGroundTypeId bgTypeId = GetBattleGroundTypeIdByMapId(mapId);

    if (bgTypeId == BATTLEGROUND_TYPE_NONE)
    {
        sLog.outError("Battleground: invalid bgtype (%u) received.",bgTypeId);
        // update battleground slots for the player to fix his UI and sent data.
        // this is a HACK, I don't know why the client starts sending invalid packets in the first place.
        // it usually happens with extremely high latency (if debugging / stepping in the code for example)
        if (_player->InBattleGroundQueue())
        {
            // update all queues, send invitation info if player is invited, queue info if queued
            for (uint32 i = 0; i < PLAYER_MAX_BATTLEGROUND_QUEUES; ++i)
            {
                BattleGroundQueueTypeId bgQueueTypeId = _player->GetBattleGroundQueueTypeId(i);
                if (!bgQueueTypeId)
                    continue;

                BattleGroundTypeId bgTypeId = BattleGroundMgr::BGTemplateId(bgQueueTypeId);
                BattleGroundQueue::QueuedPlayersMap& qpMap = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].m_QueuedPlayers;
                BattleGroundQueue::QueuedPlayersMap::iterator itrPlayerStatus = qpMap.find(_player->GetGUID());
                // if the player is not in queue, continue or no group information - this should never happen
                if (itrPlayerStatus == qpMap.end() || !itrPlayerStatus->second.GroupInfo)
                    continue;

                BattleGround * bg = NULL;
                // get possibly needed data from groupinfo
                uint8 status = 0;

                if (!itrPlayerStatus->second.GroupInfo->IsInvitedToBGInstanceGUID)
                {
                    // not invited to bg, get template
                    bg = sBattleGroundMgr.GetBattleGroundTemplate(bgTypeId);
                    status = STATUS_WAIT_QUEUE;
                }
                else
                {
                    // get the bg we're invited to
                    bg = sBattleGroundMgr.GetBattleGround(itrPlayerStatus->second.GroupInfo->IsInvitedToBGInstanceGUID, bgTypeId);
                    status = STATUS_WAIT_JOIN;
                }

                // if bg not found, then continue, don't invite if already in the instance
                if (!bg || (_player->InBattleGround() && _player->GetBattleGround() && _player->GetBattleGround()->GetInstanceID() == bg->GetInstanceID()))
                    continue;

                // re - invite player with proper data
                WorldPacket data;
                sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, i, status, INVITE_ACCEPT_WAIT_TIME, 0);
                SendPacket(&data);
            }
        }
        return;
    }

    // get the bg what we were invited to
    BattleGroundQueueTypeId bgQueueTypeId = BattleGroundMgr::BGQueueTypeId(bgTypeId);
    BattleGroundQueue::QueuedPlayersMap& qpMap = sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].m_QueuedPlayers;
    BattleGroundQueue::QueuedPlayersMap::iterator itrPlayerStatus = qpMap.find(_player->GetGUID());
    if (itrPlayerStatus == qpMap.end())
    {
        sLog.outError("Battleground: itrplayerstatus not found.");
        return;
    }

    uint32 instanceId = itrPlayerStatus->second.GroupInfo->IsInvitedToBGInstanceGUID;
    // if action == 1, then instanceId is required
    if (!instanceId && action == 1)
    {
        sLog.outError("Battleground: instance not found.");
        return;
    }

    BattleGround *bg = sBattleGroundMgr.GetBattleGround(instanceId, 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;
    }

    if (_player->InBattleGroundQueue())
    {
        //we must use temporary variables, because GroupQueueInfo pointer can be deleted in BattleGroundQueue::RemovePlayer() function!
        uint32 team = itrPlayerStatus->second.GroupInfo->Team;
        //some checks if player isn't cheating - it is not exactly cheating, but we cannot allow it
        if (action == 1)
        {
            //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(SMSG_GROUP_JOINED_BATTLEGROUND, 4);
                data2 << uint32(0xFFFFFFFE);
                _player->GetSession()->SendPacket(&data2);
                action = 0;
                sLog.outDebug("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 higher than maxlevel of battleground! Do not port him to battleground!", _player->GetName(), _player->GetGUIDLow());
                action = 0;
            }
        }
        uint32 queueSlot = _player->GetBattleGroundQueueIndex(bgQueueTypeId);
        WorldPacket data;
        switch( action )
        {
            case 1:                                         // port to battleground
                if (!_player->IsInvitedForBattleGroundQueueType(bgQueueTypeId))
                    return;                                 // cheating?

                // 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();
                }

                sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_IN_PROGRESS, 0, bg->GetStartTime());
                _player->GetSession()->SendPacket(&data);
                // remove battleground queue status from BGmgr
                sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].RemovePlayer(_player->GetGUID(), false);
                // this is still needed here if battleground "jumping" shouldn't add deserter debuff
                // also this is required to prevent stuck at old battleground after SetBattleGroundId set to new
                if (BattleGround *currentBg = _player->GetBattleGround())
                    currentBg->RemovePlayerAtLeave(_player->GetGUID(), false, true);

                // set the destination instance id
                _player->SetBattleGroundId(bg->GetInstanceID(), bgTypeId);
                // set the destination team
                _player->SetBGTeam(team);
                // bg->HandleBeforeTeleportToBattleGround(_player);
                sBattleGroundMgr.SendToBattleGround(_player, instanceId, bgTypeId);
                // add only in HandleMoveWorldPortAck()
                // bg->AddPlayer(_player,team);
                DEBUG_LOG("Battleground: player %s (%u) joined battle for bg %u, bgtype %u, queue type %u.", _player->GetName(), _player->GetGUIDLow(), bg->GetInstanceID(), bg->GetTypeID(), bgQueueTypeId);
                break;
            case 0:                                         // leave queue
                _player->RemoveBattleGroundQueueId(bgQueueTypeId);  // must be called this way, because if you move this call to queue->removeplayer, it causes bugs
                sBattleGroundMgr.BuildBattleGroundStatusPacket(&data, bg, queueSlot, STATUS_NONE, 0, 0);
                sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].RemovePlayer(_player->GetGUID(), true);
                // player left queue, we should update it
                sBattleGroundMgr.m_BattleGroundQueues[bgQueueTypeId].Update(bgTypeId, _player->GetBattleGroundBracketIdFromLevel(bgTypeId));
                SendPacket(&data);
                DEBUG_LOG("Battleground: player %s (%u) left queue for bgtype %u, queue type %u.",_player->GetName(),_player->GetGUIDLow(),bg->GetTypeID(),bgQueueTypeId);
                break;
            default:
                sLog.outError("Battleground port: unknown action %u", action);
                break;
        }
    }
}