C++ WorldPacket::GetOpcodeEnum方法代码示例

void WorldSession::HandleJoinChannel(WorldPacket& recvPacket)
{
    sLog->outDebug(LOG_FILTER_NETWORKIO, "Opcode %u", recvPacket.GetOpcodeEnum());

    uint32 channel_id;
    std::string pass, channelname;

    recvPacket.read_skip<uint8>();
    recvPacket.read_skip<uint8>();

    recvPacket >> channel_id;

    if (channel_id)
    {
        ChatChannelsEntry const* channel = sChatChannelsStore.LookupEntry(channel_id);
        if (!channel)
            return;

        AreaTableEntry const* current_zone = GetAreaEntryByAreaID(_player->GetZoneId());
        if (!current_zone)
            return;

        if (!_player->CanJoinConstantChannelInZone(channel, current_zone))
            return;
    }

    recvPacket >> channelname;
	recvPacket >> pass;

    if (channelname.empty())
        return;

    if (ChannelMgr* cMgr = channelMgr(_player->GetTeam()))
    {
        cMgr->team = _player->GetTeam();
        if (Channel *chn = cMgr->GetJoinChannel(channelname, channel_id))
            chn->Join(_player->GetGUID(), pass.c_str());
    }
}

void WorldSession::HandleChangeSeatsOnControlledVehicle(WorldPacket &recv_data)
{
    sLog->outDebug("WORLD: Recvd CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE");
    recv_data.hexlike();

    Unit* vehicle_base = GetPlayer()->GetVehicleBase();
    if (!vehicle_base)
        return;

    switch (recv_data.GetOpcodeEnum())
    {
        case CMSG_REQUEST_VEHICLE_PREV_SEAT:
            GetPlayer()->ChangeSeat(-1, false);
            break;
        case CMSG_REQUEST_VEHICLE_NEXT_SEAT:
            GetPlayer()->ChangeSeat(-1, true);
            break;
        case CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE:
            {
                uint64 guid;        // current vehicle guid
                recv_data.readPackGUID(guid);

                ReadMovementInfo(recv_data, &vehicle_base->m_movementInfo);

                uint64 accessory;        //  accessory guid
                recv_data.readPackGUID(accessory);

                int8 seatId;
                recv_data >> seatId;

                if (vehicle_base->GetGUID() != guid)
                    return;

                if (!accessory)
                    GetPlayer()->ChangeSeat(-1, seatId > 0); // prev/next
                else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), accessory))
                {
                    if (Vehicle *vehicle = vehUnit->GetVehicleKit())
                        if (vehicle->HasEmptySeat(seatId))
                            GetPlayer()->EnterVehicle(vehUnit, seatId);
                }
            }
            break;
        case CMSG_REQUEST_VEHICLE_SWITCH_SEAT:
            {
                uint64 guid;        // current vehicle guid
                recv_data.readPackGUID(guid);

                int8 seatId;
                recv_data >> seatId;

                if (vehicle_base->GetGUID() == guid)
                    GetPlayer()->ChangeSeat(seatId);
                else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), guid))
                    if (Vehicle *vehicle = vehUnit->GetVehicleKit())
                        if (vehicle->HasEmptySeat(seatId))
                            GetPlayer()->EnterVehicle(vehUnit, seatId);
            }
            break;
        default:
            break;
    }
}

void WorldSession::HandleForceSpeedChangeAck(WorldPacket &recv_data)
{
    Opcodes opcode = recv_data.GetOpcodeEnum();
    sLog->outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);

    /* extract packet */
    uint64 guid;
    uint32 unk1;
    float  newspeed;

    recv_data.readPackGUID(guid);

    // now can skip not our packet
    if (_player->GetGUID() != guid)
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    // continue parse packet

    recv_data >> unk1;                                      // counter or moveEvent

    MovementInfo movementInfo;
    movementInfo.guid = guid;
    ReadMovementInfo(recv_data, &movementInfo);

    recv_data >> newspeed;
    /*----------------*/

    // client ACK send one packet for mounted/run case and need skip all except last from its
    // in other cases anti-cheat check can be fail in false case
    UnitMoveType move_type;
    UnitMoveType force_move_type;

    static char const* move_type_name[MAX_MOVE_TYPE] = {  "Walk", "Run", "RunBack", "Swim", "SwimBack", "TurnRate", "Flight", "FlightBack", "PitchRate" };

    switch(opcode)
    {
        case CMSG_FORCE_WALK_SPEED_CHANGE_ACK:          move_type = MOVE_WALK;          force_move_type = MOVE_WALK;        break;
        case CMSG_FORCE_RUN_SPEED_CHANGE_ACK:           move_type = MOVE_RUN;           force_move_type = MOVE_RUN;         break;
        case CMSG_FORCE_RUN_BACK_SPEED_CHANGE_ACK:      move_type = MOVE_RUN_BACK;      force_move_type = MOVE_RUN_BACK;    break;
        case CMSG_FORCE_SWIM_SPEED_CHANGE_ACK:          move_type = MOVE_SWIM;          force_move_type = MOVE_SWIM;        break;
        case CMSG_FORCE_SWIM_BACK_SPEED_CHANGE_ACK:     move_type = MOVE_SWIM_BACK;     force_move_type = MOVE_SWIM_BACK;   break;
        case CMSG_FORCE_TURN_RATE_CHANGE_ACK:           move_type = MOVE_TURN_RATE;     force_move_type = MOVE_TURN_RATE;   break;
        case CMSG_FORCE_FLIGHT_SPEED_CHANGE_ACK:        move_type = MOVE_FLIGHT;        force_move_type = MOVE_FLIGHT;      break;
        case CMSG_FORCE_FLIGHT_BACK_SPEED_CHANGE_ACK:   move_type = MOVE_FLIGHT_BACK;   force_move_type = MOVE_FLIGHT_BACK; break;
        case CMSG_FORCE_PITCH_RATE_CHANGE_ACK:          move_type = MOVE_PITCH_RATE;    force_move_type = MOVE_PITCH_RATE;  break;
        default:
            sLog->outError("WorldSession::HandleForceSpeedChangeAck: Unknown move type opcode: %u", opcode);
            return;
    }

    // skip all forced speed changes except last and unexpected
    // in run/mounted case used one ACK and it must be skipped.m_forced_speed_changes[MOVE_RUN} store both.
    if (_player->m_forced_speed_changes[force_move_type] > 0)
    {
        --_player->m_forced_speed_changes[force_move_type];
        if (_player->m_forced_speed_changes[force_move_type] > 0)
            return;
    }

    if (!_player->GetTransport() && fabs(_player->GetSpeed(move_type) - newspeed) > 0.01f)
    {
        if (_player->GetSpeed(move_type) > newspeed)         // must be greater - just correct
        {
            sLog->outError("%sSpeedChange player %s is NOT correct (must be %f instead %f), force set to correct value",
                move_type_name[move_type], _player->GetName(), _player->GetSpeed(move_type), newspeed);
            _player->SetSpeed(move_type, _player->GetSpeedRate(move_type), true);
        }
        else                                                // must be lesser - cheating
        {
            sLog->outBasic("Player %s from account id %u kicked for incorrect speed (must be %f instead %f)",
                _player->GetName(), _player->GetSession()->GetAccountId(), _player->GetSpeed(move_type), newspeed);
            _player->GetSession()->KickPlayer();
        }
    }
}

void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data)
{
    Opcodes opcode = recv_data.GetOpcodeEnum();
    recv_data.hexlike();

    Unit *mover = _player->m_mover;

    ASSERT(mover != NULL);                                  // there must always be a mover

    Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if (plMover && plMover->IsBeingTeleported())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* extract packet */

    MovementInfo movementInfo;
    ReadMovementInfo(recv_data, &movementInfo);

    recv_data.rpos(recv_data.wpos());                   // prevent warnings spam

    // prevent tampered movement data
    if (movementInfo.guid != mover->GetGUID())
        return;

    if (!movementInfo.pos.IsPositionValid())
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT)
    {
        // transports size limited
        // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if (movementInfo.t_pos.GetPositionX() > 50 || movementInfo.t_pos.GetPositionY() > 50 || movementInfo.t_pos.GetPositionZ() > 50)
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        if (!Voragine::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.t_pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.t_pos.GetPositionY(),
            movementInfo.pos.GetPositionZ() + movementInfo.t_pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.t_pos.GetOrientation()))
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
        if (plMover && !plMover->GetTransport())
        {
            // elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
            for (MapManager::TransportSet::const_iterator iter = sMapMgr->m_Transports.begin(); iter != sMapMgr->m_Transports.end(); ++iter)
            {
                if ((*iter)->GetGUID() == movementInfo.t_guid)
                {
                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }

        if (!mover->GetTransport() && !mover->GetVehicle())
        {
            GameObject *go = mover->GetMap()->GetGameObject(movementInfo.t_guid);
            if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
                movementInfo.flags &= ~MOVEMENTFLAG_ONTRANSPORT;
        }
    }
    else if (plMover && plMover->GetTransport())                // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.t_pos.Relocate(0.0f, 0.0f, 0.0f, 0.0f);
        movementInfo.t_time = 0;
        movementInfo.t_seat = -1;
    }

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight())
        plMover->HandleFall(movementInfo);

    if (plMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plMover->IsInWater())
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater(!plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ()));
    }

    /*----------------------*/

    /* process position-change */
    WorldPacket data(SMSG_PLAYER_MOVE/*recv_data.GetOpcode()*/, recv_data.size());
    movementInfo.time = getMSTime();
    movementInfo.guid = mover->GetGUID();
//.........这里部分代码省略.........

void WorldSession::HandleMessagechatOpcode( WorldPacket & recv_data )
{
    uint32 type;
    uint32 lang;

    switch (recv_data.GetOpcodeEnum())
    {
        case CMSG_CHAT_MESSAGE_SAY:
            type = CHAT_MSG_SAY;
            break;
    }

    if(type >= MAX_CHAT_MSG_TYPE)
    {
        sLog.outError("CHAT: Wrong message type received: %u", type);
        return;
    }

    recv_data >> lang;
    recv_data.read_skip<uint8>();
    recv_data.read_skip<uint8>();

    DEBUG_LOG("CHAT: packet received. type %u, lang %u", type, lang );

    // prevent talking at unknown language (cheating)
    LanguageDesc const* langDesc = GetLanguageDescByID(lang);
    if(!langDesc)
    {
        SendNotification(LANG_UNKNOWN_LANGUAGE);
        return;
    }
    if(langDesc->skill_id != 0 && !_player->HasSkill(langDesc->skill_id))
    {
        // also check SPELL_AURA_COMPREHEND_LANGUAGE (client offers option to speak in that language)
        Unit::AuraList const& langAuras = _player->GetAurasByType(SPELL_AURA_COMPREHEND_LANGUAGE);
        bool foundAura = false;
        for(Unit::AuraList::const_iterator i = langAuras.begin(); i != langAuras.end(); ++i)
        {
            if((*i)->GetModifier()->m_miscvalue == int32(lang))
            {
                foundAura = true;
                break;
            }
        }
        if(!foundAura)
        {
            SendNotification(LANG_NOT_LEARNED_LANGUAGE);
            return;
        }
    }

    if(lang == LANG_ADDON)
    {
        // Disabled addon channel?
        if(!sWorld.getConfig(CONFIG_BOOL_ADDON_CHANNEL))
            return;
    }
    // LANG_ADDON should not be changed nor be affected by flood control
    else
    {
        // send in universal language if player in .gmon mode (ignore spell effects)
        if (_player->isGameMaster())
            lang = LANG_UNIVERSAL;
        else
        {
            // send in universal language in two side iteration allowed mode
            if (sWorld.getConfig(CONFIG_BOOL_ALLOW_TWO_SIDE_INTERACTION_CHAT))
                lang = LANG_UNIVERSAL;
            else
            {
                switch(type)
                {
                    case CHAT_MSG_PARTY:
                    case CHAT_MSG_RAID:
                    case CHAT_MSG_RAID_LEADER:
                    case CHAT_MSG_RAID_WARNING:
                        // allow two side chat at group channel if two side group allowed
                        if(sWorld.getConfig(CONFIG_BOOL_ALLOW_TWO_SIDE_INTERACTION_GROUP))
                            lang = LANG_UNIVERSAL;
                        break;
                    case CHAT_MSG_GUILD:
                    case CHAT_MSG_OFFICER:
                        // allow two side chat at guild channel if two side guild allowed
                        if(sWorld.getConfig(CONFIG_BOOL_ALLOW_TWO_SIDE_INTERACTION_GUILD))
                            lang = LANG_UNIVERSAL;
                        break;
                }
            }

            // but overwrite it by SPELL_AURA_MOD_LANGUAGE auras (only single case used)
            Unit::AuraList const& ModLangAuras = _player->GetAurasByType(SPELL_AURA_MOD_LANGUAGE);
            if(!ModLangAuras.empty())
                lang = ModLangAuras.front()->GetModifier()->m_miscvalue;
        }

        if (type != CHAT_MSG_AFK && type != CHAT_MSG_DND)
        {
            if (!_player->CanSpeak())
            {
                std::string timeStr = secsToTimeString(m_muteTime - time(NULL));
//.........这里部分代码省略.........