Esempio n. 1
0
void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    movementInfo.UpdateTime(WorldTimer::getMSTime());

    Unit* mover = _player->GetMover();

    if (Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL)
    {
        if (movementInfo.GetTransportGuid())
        {
            if (!plMover->m_transport)
            {
                // elevators also cause the client to send transport guid - 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)->GetObjectGuid() == movementInfo.GetTransportGuid())
                    {
                        plMover->m_transport = (*iter);
                        (*iter)->AddPassenger(plMover);
                        break;
                    }
                }
            }
        }
        else if (plMover->m_transport)               // if we were on a transport, leave
        {
            plMover->m_transport->RemovePassenger(plMover);
            plMover->m_transport = NULL;
            movementInfo.ClearTransportData();
        }

        if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())
        {
            // now client not include swimming flag in case jumping under water
            plMover->SetInWater(!plMover->IsInWater() || plMover->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z));
        }

        plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
        plMover->m_movementInfo = movementInfo;

        if (movementInfo.GetPos()->z < -500.0f)
        {
            if (plMover->InBattleGround()
                    && plMover->GetBattleGround()
                    && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if (plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if (!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if (mover->IsInWorld())
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
    }
}
Esempio n. 2
0
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->m_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 */
    ObjectGuid guid;
    MovementInfo movementInfo;

    recv_data >> guid.ReadAsPacked();
    recv_data >> movementInfo;
    /*----------------*/

    if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT) && !mover->GetVehicleGUID())
    {
        // transports size limited
        // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        if( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
            movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
        if (plMover && !plMover->m_transport)
        {
            float trans_rad = movementInfo.GetTransportPos()->x*movementInfo.GetTransportPos()->x + movementInfo.GetTransportPos()->y*movementInfo.GetTransportPos()->y + movementInfo.GetTransportPos()->z*movementInfo.GetTransportPos()->z;
            if (trans_rad > 3600.0f) // transport radius = 60 yards //cheater with on_transport_flag
            {
                return;
            }
            // elevators also cause the client to send MOVEFLAG_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)->GetObjectGuid() == movementInfo.GetTransportGuid())
                {
                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.ClearTransportData();
    }

    // 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.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) );
        if(plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f))
        {
            plMover->m_anti_BeginFallZ=INVALID_HEIGHT;
        }
    }
    if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING))
    {
        if(mover->GetTypeId() == TYPEID_UNIT)
        {
            if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim())
            {
                // NOTE : we should enter evade mode here, but...
                ((Vehicle*)mover)->SetSpawnDuration(1);
            }
        }
    }

    // ---- anti-cheat features -->>>
    uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL);
    static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport();
    if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() &&
        GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() &&
        GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE &&
        Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff)
    {
        const uint32 CurTime=getMSTime();
        if(getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod())
        {
            GetPlayer()->m_anti_alarmcount = 0;
        }
        /* I really don't care about movement-type yet (todo)
        UnitMoveType move_type;
 
        if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY;
        else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM;
        else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK;
        else move_type = MOVE_RUN;*/
 
        float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x;
        float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y;
        float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z;
        float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2)
        float tg_z = 0.0f; //tangens
        float delta_t = getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime);
         
        GetPlayer()->m_anti_lastmovetime = CurTime;
        GetPlayer()->m_anti_MovedLen += delta;
 
        if(delta_t > 15000.0f)
        {   delta_t = 15000.0f;   }
 
        // Tangens of walking angel
        if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING)))
        {
            tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f;
        }

        //antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag. 
        if((!GetPlayer()->CanFly() && GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) &&
           (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLING | MOVEFLAG_FALLINGFAR)) != 0)
        {
            GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.GetPos()->z);
        }
 
        if(GetPlayer()->m_anti_NextLenCheck <= CurTime)
        {
            // Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms
            uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck;
            float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime));
            GetPlayer()->m_anti_NextLenCheck = CurTime+500;
            GetPlayer()->m_anti_MovedLen = 0.0f;
            static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT();
             
            if(delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257)
            {
                if(sWorld.GetMvAnticheatSpeedCheck())
                   Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode),
                                    (float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()),
                                    (float)(getMSTimeDiff(OldNextLenCheck-500,CurTime)));
            }
        }
 
        if(delta > 100.0f && GetPlayer()->GetZoneId() != 2257)
        {
            if(sWorld.GetMvAnticheatTeleportCheck())
              Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode));
        }

        // Check for waterwalking . Fix new way of checking for waterwalking by Darky88
        if (movementInfo.HasMovementFlag(MOVEFLAG_WATERWALKING) &&
           !(GetPlayer()->HasAuraType(SPELL_AURA_WATER_WALK) || GetPlayer()->HasAuraType(SPELL_AURA_GHOST)))
        {
            if(sWorld.GetMvAnticheatWaterCheck())
              Anti__CheatOccurred(CurTime,"Water walking",0.0f,NULL,0.0f,(uint32)(movementInfo.GetMovementFlags()));
        }
         
        // Check for walking upwards a mountain while not beeing able to do that, New check by Darky88 
        if((delta_z < -2.3f) && (tg_z > 2.37f))
        {
            if(sWorld.GetMvAnticheatMountainCheck())
                 Anti__CheatOccurred(CurTime,"Mountain hack",tg_z,NULL,delta,delta_z);
        }
        
        
        static const float DIFF_OVERGROUND = 10.0f;
        float Anti__GroundZ = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),MAX_HEIGHT);
        float Anti__FloorZ  = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),GetPlayer()->GetPositionZ());
        float Anti__MapZ = ((Anti__FloorZ <= (INVALID_HEIGHT+5.0f)) ? Anti__GroundZ : Anti__FloorZ) + DIFF_OVERGROUND;
         
        if(!GetPlayer()->CanFly() &&
           !GetPlayer()->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f) &&
           Anti__MapZ < GetPlayer()->GetPositionZ() && Anti__MapZ > (INVALID_HEIGHT+DIFF_OVERGROUND + 5.0f))
        {
            static const float DIFF_AIRJUMP=25.0f; // 25 is realy high, but to many false positives...
             
            // Air-Jump-Detection definitively needs a better way to be detected...
            if((movementInfo.GetMovementFlags() & (MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING | MOVEFLAG_ROOT)) != 0) // Fly Hack
            {
              // Fix Aura 55164 by KAPATEJIb
              if (!GetPlayer()->HasAura(55164))
                if(sWorld.GetMvAnticheatFlyCheck())
                  Anti__CheatOccurred(CurTime,"Fly hack",
                                    ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_FLY))) +
                                    /*((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED))*2),*/
                                    ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED))*2),
                                    NULL,GetPlayer()->GetPositionZ()-Anti__MapZ);
            }
             
            // Need a better way to do that - currently a lot of fake alarms
            else if((Anti__MapZ+DIFF_AIRJUMP < GetPlayer()->GetPositionZ() &&
                    (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLINGFAR /*| MOVEFLAG_UNK4*/))==0) ||
                    (Anti__MapZ < GetPlayer()->GetPositionZ() && 
                     opcode==MSG_MOVE_JUMP))
            {
                 if(sWorld.GetMvAnticheatJumpCheck())
                   Anti__CheatOccurred(CurTime,"Possible Air Jump Hack",0.0f,LookupOpcodeName(opcode),0.0f,movementInfo.GetMovementFlags());
            }
        }
 
        
        /*if(Anti__FloorZ < -199900.0f && Anti__GroundZ >= -199900.0f &&
           GetPlayer()->GetPositionZ()+5.0f < Anti__GroundZ)
        {
            Anti__CheatOccurred(CurTime,"Teleport2Plane hack",
                                GetPlayer()->GetPositionZ(),NULL,Anti__GroundZ);
        }*/

        //Teleport To Plane checks
        if (movementInfo.GetPos()->z < 0.0001f && movementInfo.GetPos()->z > -0.0001f && (!movementInfo.HasMovementFlag(MovementFlags(MOVEFLAG_SWIMMING | MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING))))
        {
           if(sWorld.GetMvAnticheatTeleport2PlaneCheck())
           {
              // Prevent using TeleportToPlan.
              Map *map = GetPlayer()->GetMap();
              if (map)
              {
                float plane_z = map->GetHeight(movementInfo.GetPos()->x, movementInfo.GetPos()->y, MAX_HEIGHT) - movementInfo.GetPos()->z;
                plane_z = (plane_z < -500.0f) ? 0 : plane_z; //check holes in heigth map
                if(plane_z > 0.1f || plane_z < -0.1f)
                {
                   if(sWorld.GetMvAnticheatTeleport2PlaneCheck())
                      Anti__CheatOccurred(CurTime,"Teleport2Plane hack",GetPlayer()->GetPositionZ(),NULL,plane_z);
                }
              }
           }
        }
    } 
    // <<---- anti-cheat features

    /* process position-change */
    movementInfo.UpdateTime(getMSTime());

    WorldPacket data(opcode, recv_data.size());
    data.appendPackGUID(mover->GetGUID());                  // write guid
    movementInfo.Write(data);                               // write data
    mover->SendMessageToSetExcept(&data, _player);

    if(plMover)                                             // nothing is charmed, or player charmed
    {
        plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
        plMover->m_movementInfo = movementInfo;
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

        // after move info set
        if ((opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE))
            plMover->UpdateWalkMode(plMover, false);

        if(plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if(movementInfo.GetPos()->z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if(mover->IsInWorld())
        {
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
            if(((Creature*)mover)->isVehicle())
                ((Vehicle*)mover)->RellocatePassengers(mover->GetMap());
        }
    }
}
Esempio n. 3
0
void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data)
{
    Unit *mover = _player->m_mover;

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

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

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

    //get opcode
    uint16 opcode = recv_data.GetOpcode();

    /* extract packet */
    MovementInfo movementInfo;
    recv_data >> movementInfo;
    /*----------------*/

    /*if (recv_data.size() != recv_data.rpos())
    {
        sLog.outError("MovementHandler: player %s (guid %d, account %u) sent a packet (opcode %u) that is %u bytes larger than it should be. Kicked as cheater.", _player->GetName(), _player->GetGUIDLow(), _player->GetSession()->GetAccountId(), opcode, recv_data.size() - recv_data.rpos());
        KickPlayer();
        return;
    }*/

    if (!Oregon::IsValidMapCoord(movementInfo.GetPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY(), movementInfo.GetPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation()))
        return;

    //Save movement flags
    mover->SetUnitMovementFlags(movementInfo.GetMovementFlags());

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
    {
        // transports size limited
        // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if (movementInfo.GetTransportPos()->GetPositionX() > 50 || movementInfo.GetTransportPos()->GetPositionY() > 50 || movementInfo.GetTransportPos()->GetPositionZ() > 50)
            return;

        if (!Oregon::IsValidMapCoord(movementInfo.GetPos()->GetPositionX() + movementInfo.GetTransportPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY() + movementInfo.GetTransportPos()->GetPositionY(),
            movementInfo.GetPos()->GetPositionZ() + movementInfo.GetTransportPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation() + movementInfo.GetTransportPos()->GetOrientation()))
            return;

        // if we boarded a transport, add us to it
        if (plMover && !plMover->m_transport)
        {
            // elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
            for (MapManager::TransportSet::iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
            {
                if ((*iter)->GetGUID() == movementInfo.t_guid)
                {
                    // unmount before boarding
                    plMover->RemoveSpellsCausingAura(SPELL_AURA_MOUNTED);

                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.ClearTransportData();
    }

    // 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->HandleFallDamage(movementInfo);

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

    /* process position-change */

    if (plMover)                                            // nothing is charmed, or player charmed
    {
        recv_data.put<uint32>(5, getMSTime());                  // offset flags(4) + unk(1)
        WorldPacket data(opcode, mover->GetPackGUID().size() + recv_data.size());
        data << mover->GetPackGUID();
        data.append(recv_data.contents(), recv_data.size());
        if (plMover->isCharmed())
            plMover->GetCharmer()->SendMessageToSet(&data, false);
        else
            mover->SendMessageToSet(&data, false);

        plMover->m_movementInfo = movementInfo;
        plMover->SetPosition(movementInfo.GetPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY(), movementInfo.GetPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation());

        if (opcode == MSG_MOVE_FALL_LAND || plMover->m_lastFallTime > movementInfo.GetFallTime() || plMover->m_lastFallZ < movementInfo.GetPos()->GetPositionZ())
            plMover->SetFallInformation(movementInfo.GetFallTime(), movementInfo.GetPos()->GetPositionZ());

        // we should add the check only for class hunter
        if (plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if (movementInfo.GetPos()->GetPositionZ() < -500.0f)
            plMover->HandleFallUnderMap();
    }
    else                                                    // creature charmed
        mover->GetMap()->CreatureRelocation(mover->ToCreature(), movementInfo.GetPos()->GetPositionX(), movementInfo.GetPos()->GetPositionY(), movementInfo.GetPos()->GetPositionZ(), movementInfo.GetPos()->GetOrientation());
}
void WorldSession::HandleMovementOpcodes(WorldPacket& recvData)
{
    uint16 opcode = recvData.GetOpcode();

    Unit* mover = _player->m_mover;

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

    Player* plrMover = mover->ToPlayer();

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if (plrMover && plrMover->IsBeingTeleported())
    {
        recvData.rfinish();                     // prevent warnings spam
        return;
    }

    /* extract packet */
    ObjectGuid guid;

    recvData >> guid.ReadAsPacked();

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

    recvData.rfinish();                         // prevent warnings spam

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

    if (!movementInfo.pos.IsPositionValid())
    {
        recvData.rfinish();                     // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.HasMovementFlag(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.transport.pos.GetPositionX() > 50 || movementInfo.transport.pos.GetPositionY() > 50 || movementInfo.transport.pos.GetPositionZ() > 50)
        {
            recvData.rfinish();                 // prevent warnings spam
            return;
        }

        if (!Trinity::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.transport.pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.transport.pos.GetPositionY(),
            movementInfo.pos.GetPositionZ() + movementInfo.transport.pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.transport.pos.GetOrientation()))
        {
            recvData.rfinish();                 // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
        if (plrMover)
        {
            if (!plrMover->GetTransport())
            {
                if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
                    transport->AddPassenger(plrMover);
            }
            else if (plrMover->GetTransport()->GetGUID() != movementInfo.transport.guid)
            {
                plrMover->GetTransport()->RemovePassenger(plrMover);
                if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
                    transport->AddPassenger(plrMover);
                else
                    movementInfo.transport.Reset();
            }
        }

        if (!mover->GetTransport() && !mover->GetVehicle())
        {
            GameObject* go = mover->GetMap()->GetGameObject(movementInfo.transport.guid);
            if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
                movementInfo.RemoveMovementFlag(MOVEMENTFLAG_ONTRANSPORT);
        }
    }
    else if (plrMover && plrMover->GetTransport())                // if we were on a transport, leave
    {
        plrMover->GetTransport()->RemovePassenger(plrMover);
        movementInfo.transport.Reset();
    }

    // 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 && plrMover && !plrMover->IsInFlight())
        plrMover->HandleFall(movementInfo);

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

    uint32 mstime = getMSTime();
    /*----------------------*/
    if (m_clientTimeDelay == 0)
        m_clientTimeDelay = mstime - movementInfo.time;

    /* process position-change */
    WorldPacket data(opcode, recvData.size());
    movementInfo.time = movementInfo.time + m_clientTimeDelay + MOVEMENT_PACKET_TIME_DELAY;

    movementInfo.guid = mover->GetGUID();
    WriteMovementInfo(&data, &movementInfo);
    mover->SendMessageToSet(&data, _player);

    mover->m_movementInfo = movementInfo;

    // Some vehicles allow the passenger to turn by himself
    if (Vehicle* vehicle = mover->GetVehicle())
    {
        if (VehicleSeatEntry const* seat = vehicle->GetSeatForPassenger(mover))
        {
            if (seat->m_flags & VEHICLE_SEAT_FLAG_ALLOW_TURNING)
            {
                if (movementInfo.pos.GetOrientation() != mover->GetOrientation())
                {
                    mover->SetOrientation(movementInfo.pos.GetOrientation());
                    mover->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_TURNING);
                }
            }
        }
        return;
    }

    mover->UpdatePosition(movementInfo.pos);

    if (plrMover)                                            // nothing is charmed, or player charmed
    {
        if (plrMover->IsSitState() && (movementInfo.flags & (MOVEMENTFLAG_MASK_MOVING | MOVEMENTFLAG_MASK_TURNING)))
            plrMover->SetStandState(UNIT_STAND_STATE_STAND);

        plrMover->UpdateFallInformationIfNeed(movementInfo, opcode);

        if (movementInfo.pos.GetPositionZ() < plrMover->GetMap()->GetMinHeight(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY()))
        {
            if (!(plrMover->GetBattleground() && plrMover->GetBattleground()->HandlePlayerUnderMap(_player)))
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                /// @todo discard movement packets after the player is rooted
                if (plrMover->IsAlive())
                {
                    plrMover->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_IS_OUT_OF_BOUNDS);
                    plrMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // player can be alive if GM/etc
                    // change the death state to CORPSE to prevent the death timer from
                    // starting in the next player update
                    if (!plrMover->IsAlive())
                        plrMover->KillPlayer();
                }
            }
        }
    }
}
Esempio n. 5
0
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->GetMover();
    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 */
    ObjectGuid guid;
    MovementInfo movementInfo;

    recv_data >> guid.ReadAsPacked();
    recv_data >> movementInfo;
    /*----------------*/

    if (!VerifyMovementInfo(movementInfo, guid))
        return;

    // 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->IsTaxiFlying())
        plMover->HandleFall(movementInfo);

    // ---- anti-cheat features -->>>
    uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL);
    static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport();
    if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() &&
        GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() &&
        GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE &&
        !GetPlayer()->IsTaxiFlying() &&
        !GetPlayer()->HasMovementFlag(MOVEFLAG_ONTRANSPORT) &&
        Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff)
    {
        const uint32 CurTime=WorldTimer::getMSTime();
        if (WorldTimer::getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod())
        {
            GetPlayer()->m_anti_alarmcount = 0;
        }
        /* I really don't care about movement-type yet (todo)
        UnitMoveType move_type;

        if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY;
        else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM;
        else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK;
        else move_type = MOVE_RUN;*/

        float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x;
        float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y;
        float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z;
        float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2)
        float tg_z = 0.0f; //tangens
        float delta_t = WorldTimer::getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime);

        GetPlayer()->m_anti_lastmovetime = CurTime;
        GetPlayer()->m_anti_MovedLen += delta;

        if (delta_t > 15000.0f)
        {   delta_t = 15000.0f;   }

        // Tangens of walking angel
        if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING)))
        {
            tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f;
        }

        //antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag. 
        if ((!GetPlayer()->CanFly() && GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) &&
            (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLING | MOVEFLAG_FALLINGFAR)) != 0)
        {
            GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.GetPos()->z);
        }

        if (GetPlayer()->m_anti_NextLenCheck <= CurTime)
        {
            // Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms
            uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck;
            float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(WorldTimer::getMSTimeDiff(OldNextLenCheck-500,CurTime));
            GetPlayer()->m_anti_NextLenCheck = CurTime+500;
            GetPlayer()->m_anti_MovedLen = 0.0f;
            static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT();

            if (delta_xyt > MaxDeltaXYT && delta<=100.0f)
            {
                if (sWorld.GetMvAnticheatSpeedCheck())
                    Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode),
                    (float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()),
                    (float)(WorldTimer::getMSTimeDiff(OldNextLenCheck-500,CurTime)));
            }
        }

        if (delta > 100.0f)
        {
            if (sWorld.GetMvAnticheatTeleportCheck())
                Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode));
        }

        // Check for waterwalking . Fix new way of checking for waterwalking by Darky88
        if (movementInfo.HasMovementFlag(MOVEFLAG_WATERWALKING) &&
            !(GetPlayer()->HasAuraType(SPELL_AURA_WATER_WALK) || GetPlayer()->HasAuraType(SPELL_AURA_GHOST)))
        {
            if(sWorld.GetMvAnticheatWaterCheck())
                Anti__CheatOccurred(CurTime,"Water walking",0.0f,NULL,0.0f,(uint32)(movementInfo.GetMovementFlags()));
        }

        // Check for walking upwards a mountain while not beeing able to do that, New check by Darky88 
        if ((delta_z < -2.3f) && (tg_z > 2.37f))
        {
            if (sWorld.GetMvAnticheatMountainCheck())
                Anti__CheatOccurred(CurTime,"Mountain hack",tg_z,NULL,delta,delta_z);
        }

        static const float DIFF_OVERGROUND = 10.0f;
        float Anti__GroundZ = GetPlayer()->GetTerrain()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),MAX_HEIGHT);
        float Anti__FloorZ  = GetPlayer()->GetTerrain()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),GetPlayer()->GetPositionZ());
        float Anti__MapZ = ((Anti__FloorZ <= (INVALID_HEIGHT+5.0f)) ? Anti__GroundZ : Anti__FloorZ) + DIFF_OVERGROUND;
         
        if (!GetPlayer()->CanFly() &&
            !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL) &&
            !GetPlayer()->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f) &&
            Anti__MapZ < GetPlayer()->GetPositionZ() && Anti__MapZ > (INVALID_HEIGHT+DIFF_OVERGROUND + 5.0f))
        {
            static const float DIFF_AIRJUMP=25.0f; // 25 is realy high, but to many false positives...

            // Air-Jump-Detection definitively needs a better way to be detected...
            if ((movementInfo.GetMovementFlags() & (MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING | MOVEFLAG_ROOT)) != 0) // Fly Hack
            {
                // Fix Aura 55164
                if (!GetPlayer()->HasAura(55164))
                    if (sWorld.GetMvAnticheatFlyCheck())
                        Anti__CheatOccurred(CurTime,"Fly hack",
                            ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_FLY))) +
                            ((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED))*2),
                            NULL,GetPlayer()->GetPositionZ()-Anti__MapZ);
            }

            // Need a better way to do that - currently a lot of fake alarms
            else if ((Anti__MapZ+DIFF_AIRJUMP < GetPlayer()->GetPositionZ() &&
                    (movementInfo.GetMovementFlags() & (MOVEFLAG_FALLINGFAR | MOVEFLAG_PENDINGSTOP))==0) ||
                    (Anti__MapZ < GetPlayer()->GetPositionZ() && opcode==MSG_MOVE_JUMP))
            {
                if (sWorld.GetMvAnticheatJumpCheck())
                    Anti__CheatOccurred(CurTime,"Possible Air Jump Hack",0.0f,LookupOpcodeName(opcode),0.0f,movementInfo.GetMovementFlags());
            }
        }

        /*if(Anti__FloorZ < -199900.0f && Anti__GroundZ >= -199900.0f &&
           GetPlayer()->GetPositionZ()+5.0f < Anti__GroundZ)
        {
            Anti__CheatOccurred(CurTime,"Teleport2Plane hack",
                                GetPlayer()->GetPositionZ(),NULL,Anti__GroundZ);
        }*/

        //Teleport To Plane checks
        if (movementInfo.GetPos()->z < 0.0001f && movementInfo.GetPos()->z > -0.0001f && (!movementInfo.HasMovementFlag(MovementFlags(MOVEFLAG_SWIMMING | MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING))))
        {
            if(sWorld.GetMvAnticheatTeleport2PlaneCheck())
            {
                // Prevent using TeleportToPlan.
                TerrainInfo const* map = GetPlayer()->GetTerrain();
                if (map)
                {
                    float plane_z = map->GetHeight(movementInfo.GetPos()->x, movementInfo.GetPos()->y, MAX_HEIGHT) - movementInfo.GetPos()->z;
                    plane_z = (plane_z < -500.0f) ? 0 : plane_z; //check holes in heigth map
                    if(plane_z > 0.1f || plane_z < -0.1f)
                    {
                        if(sWorld.GetMvAnticheatTeleport2PlaneCheck())
                            Anti__CheatOccurred(CurTime,"Teleport2Plane hack",GetPlayer()->GetPositionZ(),NULL,plane_z);
                    }
                }
            }
        }
    }
    // <<---- anti-cheat features

    /* process position-change */
    HandleMoverRelocation(movementInfo);

    if (plMover)
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

    // after move info set
    if (opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE)
        mover->UpdateWalkMode(mover, false);

    WorldPacket data(opcode, recv_data.size());
    data << mover->GetPackGUID();             // write guid
    movementInfo.Write(data);                               // write data
    mover->SendMessageToSetExcept(&data, _player);
}
Esempio n. 6
0
void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    Unit *mover = _player->GetMover();
    movementInfo.CorrectData(mover);

    if (Player* plMover = mover->ToPlayer())
    {
        // ignore current relocation if needed
        if (plMover->IsNextRelocationIgnored())
        {
            plMover->DoIgnoreRelocation();
            return;
        }

        if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
        {
            GetPlayer()->GetCheatData()->OnTransport(plMover, movementInfo.GetTransportGuid());
            Unit* loadPetOnTransport = nullptr;
            if (!plMover->GetTransport())
                if (Transport* t = plMover->GetMap()->GetTransport(movementInfo.GetTransportGuid()))
                {
                    t->AddPassenger(plMover);
                    if (Pet* pet = plMover->GetPet())
                        if (pet->GetTransport() != t)
                            loadPetOnTransport = pet;
                }
            if (plMover->GetTransport())
            {
                movementInfo.pos.x = movementInfo.GetTransportPos()->x;
                movementInfo.pos.y = movementInfo.GetTransportPos()->y;
                movementInfo.pos.z = movementInfo.GetTransportPos()->z;
                movementInfo.pos.o = movementInfo.GetTransportPos()->o;
                plMover->GetTransport()->CalculatePassengerPosition(movementInfo.pos.x, movementInfo.pos.y, movementInfo.pos.z, &movementInfo.pos.o);
                if (loadPetOnTransport)
                {
                    loadPetOnTransport->NearTeleportTo(movementInfo.pos.x, movementInfo.pos.y, movementInfo.pos.z, movementInfo.pos.o);
                    plMover->GetTransport()->AddPassenger(loadPetOnTransport);
                }
            }
        }
        else if (plMover->GetTransport())
        {
            plMover->GetTransport()->RemovePassenger(plMover);
            if (Pet* pet = plMover->GetPet())
            {
                // If moving on transport, stop it.
                pet->DisableSpline();
                if (pet->GetTransport())
                {
                    pet->GetTransport()->RemovePassenger(pet);
                    pet->NearTeleportTo(movementInfo.pos.x, movementInfo.pos.y, movementInfo.pos.z, movementInfo.pos.o);
                }
            }
        }

        if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())
        {
            // now client not include swimming flag in case jumping under water
            plMover->SetInWater(!plMover->IsInWater() || plMover->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z));
        }

        plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
        plMover->m_movementInfo = movementInfo;

        // super smart decision; rework required
        if (ObjectGuid lootGuid = plMover->GetLootGuid())
            plMover->SendLootRelease(lootGuid);

        // Nostalrius - antiundermap1
        if (movementInfo.HasMovementFlag(MOVEFLAG_FALLINGFAR))
        {
            float hauteur = plMover->GetMap()->GetHeight(plMover->GetPositionX(), plMover->GetPositionY(), plMover->GetPositionZ(), true);
            bool undermap = false;
            // Undermap
            if ((plMover->GetPositionZ() + 100.0f) < hauteur)
                undermap = true;
            if (plMover->GetPositionZ() < 250.0f && plMover->GetMapId() == 489)
                undermap = true;

            if (undermap)
                if (plMover->UndermapRecall())
                    sLog.outInfo("[UNDERMAP] %s [GUID %u]. MapId:%u %f %f %f", plMover->GetName(), plMover->GetGUIDLow(), plMover->GetMapId(), plMover->GetPositionX(), plMover->GetPositionY(), plMover->GetPositionZ());
        }
        else if (plMover->CanFreeMove())
            plMover->SaveNoUndermapPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z + 3.0f);
        // Antiundermap2: teleportation au cimetiere
        if (movementInfo.GetPos()->z < -500.0f)
        {
            // NOTE: this is actually called many times while falling
            // even after the player has been teleported away
            // TODO: discard movement packets after the player is rooted
            if (plMover->isAlive())
            {
                // Nostalrius : pas mort quand on chute
                if (plMover->InBattleGround())
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetHealth());
                else
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetHealth() / 2);
                // pl can be alive if GM/etc
                if (!plMover->isAlive())
                {
                    // change the death state to CORPSE to prevent the death timer from
                    // starting in the next player update
                    plMover->KillPlayer();
                    plMover->BuildPlayerRepop();
                }
            }

            // cancel the death timer here if started
            sLog.outInfo("[UNDERMAP/Teleport] Player %s teleported.", plMover->GetName(), plMover->GetGUIDLow(), plMover->GetMapId(), plMover->GetPositionX(), plMover->GetPositionY(), plMover->GetPositionZ());
            plMover->RepopAtGraveyard();
        }
    }
    else                                                    // creature charmed
    {
        if (mover->IsInWorld())
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
    }
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->m_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 */
    uint64 guid;

    if(!recv_data.readPackGUID(guid))
        return;

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

    if(!(movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) && _player->GetVehicleGUID())
    {
        if(mover->GetGUID() == _player->GetGUID())
        {
            return;
        }
    }
    // we sent a movement packet with MOVEMENTFLAG_ONTRANSPORT and we are on vehicle
    // this can be moving on vehicle or entering another transport (eg. boat)
    if((movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) && _player->GetVehicleGUID())
    {
        // we are controlling that vehicle
        if(mover->GetGUID() == _player->GetVehicleGUID())
        {
            // we sent movement packet, related to movement ON vehicle,
            // but not WITH vehicle, so mover = player
            if(_player->GetVehicleGUID() == movementInfo.t_guid)
            {
                // this is required to avoid client crash, otherwise it will result
                // in moving with vehicle on the same vehicle and that = crash
                mover = _player;
                plMover = _player;
            }
        }
        if(_player->GetVehicleGUID() == movementInfo.t_guid)
        {
            _player->m_SeatData.OffsetX = movementInfo.t_x;
            _player->m_SeatData.OffsetY = movementInfo.t_y;
            _player->m_SeatData.OffsetZ = movementInfo.t_z;
            _player->m_SeatData.Orientation = movementInfo.t_o;
        }
    }

        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
    if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT) && !mover->GetVehicleGUID())
    {
        // 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_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50 )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y + movementInfo.t_y,
            movementInfo.z + movementInfo.t_z, movementInfo.o + movementInfo.t_o) )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
        if (plMover && !plMover->m_transport)
        {
            // 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 = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
            {
                if ((*iter)->GetGUID() == movementInfo.t_guid)
                {
                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.t_x = 0.0f;
        movementInfo.t_y = 0.0f;
        movementInfo.t_z = 0.0f;
        movementInfo.t_o = 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.HasMovementFlag(MOVEMENTFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) );
    }
    if (movementInfo.HasMovementFlag(MOVEMENTFLAG_SWIMMING))
    {
        if(mover->GetTypeId() == TYPEID_UNIT)
        {
            if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim())
            {
                // NOTE : we should enter evade mode here, but...
                ((Vehicle*)mover)->SetSpawnDuration(1);
            }
        }
    }

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

    /* process position-change */
    WorldPacket data(opcode, recv_data.size());
    movementInfo.time = getMSTime();
    movementInfo.guid = mover->GetGUID();
    WriteMovementInfo(&data, &movementInfo);
    GetPlayer()->SendMessageToSet(&data, false);

    if(plMover)                                             // nothing is charmed, or player charmed
    {
        plMover->m_movementInfo = movementInfo;
        plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

        if(plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if(movementInfo.z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if(mover->IsInWorld())
        {
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
            if(((Creature*)mover)->isVehicle())
                ((Vehicle*)mover)->RellocatePassengers(mover->GetMap());
        }
    }
}
void WorldSession::HandleMovementOpcodes(WorldPacket & recvData)
{
    uint16 opcode = recvData.GetOpcode();

    Unit* mover = _player->m_mover;

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

    Player* plrMover = mover->ToPlayer();

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if (plrMover && plrMover->IsBeingTeleported())
    {
        recvData.rfinish();                     // prevent warnings spam
        return;
    }

    /* extract packet */
    uint64 guid;

    recvData.readPackGUID(guid);

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

    recvData.rfinish();                         // prevent warnings spam

    // pussywizard: typical check for incomming movement packets
    if (!mover || !mover->IsInWorld() || mover->IsDuringRemoveFromWorld() || guid != mover->GetGUID())
        return;

    if (!movementInfo.pos.IsPositionValid())
    {
        recvData.rfinish();                     // prevent warnings spam
        return;
    }

    if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT)
    {
        // T_POS ON VEHICLES!
        if (mover->GetVehicle())
            movementInfo.transport.pos = mover->m_movementInfo.transport.pos;

        // transports size limited
        // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if (movementInfo.transport.pos.GetPositionX() > 75.0f || movementInfo.transport.pos.GetPositionY() > 75.0f || movementInfo.transport.pos.GetPositionZ() > 75.0f ||
            movementInfo.transport.pos.GetPositionX() < -75.0f || movementInfo.transport.pos.GetPositionY() < -75.0f || movementInfo.transport.pos.GetPositionZ() < -75.0f)
        {
            recvData.rfinish();                   // prevent warnings spam
            return;
        }

        if (!Trinity::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.transport.pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.transport.pos.GetPositionY(),
            movementInfo.pos.GetPositionZ() + movementInfo.transport.pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.transport.pos.GetOrientation()))
        {
            recvData.rfinish();                   // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
        if (plrMover)
        {
            if (!plrMover->GetTransport())
            {
                if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
                {
                    plrMover->m_transport = transport;
                    transport->AddPassenger(plrMover);
                }
            }
            else if (plrMover->GetTransport()->GetGUID() != movementInfo.transport.guid)
            {
                bool foundNewTransport = false;
                plrMover->m_transport->RemovePassenger(plrMover);
                if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
                {
                    foundNewTransport = true;
                    plrMover->m_transport = transport;
                    transport->AddPassenger(plrMover);
                }

                if (!foundNewTransport)
                {
                    plrMover->m_transport = NULL;
                    movementInfo.transport.Reset();
                }
            }
        }

        if (!mover->GetTransport() && !mover->GetVehicle())
            movementInfo.flags &= ~MOVEMENTFLAG_ONTRANSPORT;
    }
    else if (plrMover && plrMover->GetTransport()) // if we were on a transport, leave
    {
        plrMover->m_transport->RemovePassenger(plrMover);
        plrMover->m_transport = NULL;
        movementInfo.transport.Reset();
    }

    if (plrMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plrMover->IsInWater())
    {
        // now client not include swimming flag in case jumping under water
        plrMover->SetInWater(!plrMover->IsInWater() || plrMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ()));
    }
    if (plrMover)//Hook for OnPlayerMove
        sScriptMgr->OnPlayerMove(plrMover, movementInfo, opcode);
    // Dont allow to turn on walking if charming other player
    if (mover->GetGUID() != _player->GetGUID())
        movementInfo.flags &= ~MOVEMENTFLAG_WALKING;

    uint32 mstime = World::GetGameTimeMS();
    /*----------------------*/
    if(m_clientTimeDelay == 0)
        m_clientTimeDelay = mstime > movementInfo.time ? std::min(mstime - movementInfo.time, (uint32)100) : 0;

    // Xinef: do not allow to move with UNIT_FLAG_DISABLE_MOVE
    if (mover->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_DISABLE_MOVE))
    {
        // Xinef: skip moving packets
        if (movementInfo.HasMovementFlag(MOVEMENTFLAG_MASK_MOVING))
            return;
        movementInfo.pos.Relocate(mover->GetPositionX(), mover->GetPositionY(), mover->GetPositionZ());

        if (mover->GetTypeId() == TYPEID_UNIT)
        {
            movementInfo.transport.guid = mover->m_movementInfo.transport.guid;
            movementInfo.transport.pos.Relocate(mover->m_movementInfo.transport.pos.GetPositionX(), mover->m_movementInfo.transport.pos.GetPositionY(), mover->m_movementInfo.transport.pos.GetPositionZ());
            movementInfo.transport.seat = mover->m_movementInfo.transport.seat;
        }
    }

    /* process position-change */
    WorldPacket data(opcode, recvData.size());
    //movementInfo.time = movementInfo.time + m_clientTimeDelay + MOVEMENT_PACKET_TIME_DELAY;
    movementInfo.time = mstime; // pussywizard: set to time of relocation (server time), constant addition may smoothen movement clientside, but client sees target on different position than the real serverside position

    movementInfo.guid = mover->GetGUID();
    WriteMovementInfo(&data, &movementInfo);
    mover->SendMessageToSet(&data, _player);

    mover->m_movementInfo = movementInfo;

    // this is almost never true (pussywizard: only one packet when entering vehicle), normally use mover->IsVehicle()
    if (mover->GetVehicle())
    {
        mover->SetOrientation(movementInfo.pos.GetOrientation());
        mover->UpdatePosition(movementInfo.pos);
        return;
    }

    // pussywizard: previously always mover->UpdatePosition(movementInfo.pos);
    if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT && mover->GetTransport())
    {
        float x, y, z, o;
        movementInfo.transport.pos.GetPosition(x, y, z, o);
        mover->GetTransport()->CalculatePassengerPosition(x, y, z, &o);
        mover->UpdatePosition(x, y, z, o);
    }
    else
        mover->UpdatePosition(movementInfo.pos);

    // fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
    // Xinef: moved it here, previously StopMoving function called when player died relocated him to last saved coordinates (which were in air)
    if (opcode == MSG_MOVE_FALL_LAND && plrMover && !plrMover->IsInFlight() && (!plrMover->GetTransport() || plrMover->GetTransport()->IsStaticTransport()))
        plrMover->HandleFall(movementInfo);
    // Xinef: interrupt parachutes upon falling or landing in water
    if (opcode == MSG_MOVE_FALL_LAND || opcode == MSG_MOVE_START_SWIM)
        mover->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_LANDING); // Parachutes


    if (plrMover)                                            // nothing is charmed, or player charmed
    {
        if (plrMover->IsSitState() && (movementInfo.flags & (MOVEMENTFLAG_MASK_MOVING | MOVEMENTFLAG_MASK_TURNING)))
            plrMover->SetStandState(UNIT_STAND_STATE_STAND);

        plrMover->UpdateFallInformationIfNeed(movementInfo, opcode);

        if (movementInfo.pos.GetPositionZ() < plrMover->GetMap()->GetMinHeight(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY()))
            if (!plrMover->GetBattleground() || !plrMover->GetBattleground()->HandlePlayerUnderMap(_player))
            {
                if (plrMover->IsAlive())
                {
                    plrMover->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_IS_OUT_OF_BOUNDS);
                    plrMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // player can be alive if GM
                    if (plrMover->IsAlive())
                        plrMover->KillPlayer();
                }
                else if (!plrMover->HasFlag(PLAYER_FLAGS, PLAYER_FLAGS_IS_OUT_OF_BOUNDS))
                {
                    WorldSafeLocsEntry const* grave = sObjectMgr->GetClosestGraveyard(plrMover->GetPositionX(), plrMover->GetPositionY(), plrMover->GetPositionZ(), plrMover->GetMapId(), plrMover->GetTeamId());

                    if ( grave)
                        plrMover->TeleportTo(grave->map_id, grave->x, grave->y, grave->z, plrMover->GetOrientation());
                    plrMover->Relocate(grave->x, grave->y, grave->z, plrMover->GetOrientation());
                }

                plrMover->StopMovingOnCurrentPos(); // pussywizard: moving corpse can't release spirit
            }
    }
}
Esempio n. 9
0
void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data)
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);

    Unit *mover = _player->GetMover();
    if (mover->GetObjectGuid() != _clientMoverGuid)
        return;
    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 = plMover ? plMover->m_movementInfo : MovementInfo();
    recv_data >> movementInfo;
    movementInfo.UpdateTime(recv_data.GetPacketTime());

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

    if (!VerifyMovementInfo(movementInfo))
        return;

    if (plMover && !plMover->GetCheatData()->HandleAnticheatTests(movementInfo, this, &recv_data))
        return;

    // this must be called after HandleAnticheatTests because that function will update order counters (for things like slow fall, water walk, etc.)
    if (plMover && !plMover->GetCheatData()->CheckTeleport(opcode, movementInfo))
        return;

    // Interrupt spell cast at move
    if (movementInfo.HasMovementFlag(MOVEFLAG_MASK_MOVING))
        mover->InterruptSpellsWithInterruptFlags(SPELL_INTERRUPT_FLAG_MOVEMENT);

    HandleMoverRelocation(movementInfo);

    // 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->IsTaxiFlying())
        plMover->HandleFall(movementInfo);

    // TODO: remove it
    // reset knockback state when fall to ground or water
    if (plMover)
    {
        if ((opcode == MSG_MOVE_FALL_LAND || opcode == MSG_MOVE_START_SWIM) && plMover->IsLaunched())
        {
            plMover->SetLaunched(false);
            plMover->SetXYSpeed(0.0f);
        }
    }

    if (plMover)
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

    WorldPacket data(opcode, recv_data.size());
    data << _clientMoverGuid.WriteAsPacked();             // write guid
    movementInfo.Write(data);                               // write data

    mover->SendMovementMessageToSet(std::move(data), true, _player);
}
Esempio n. 10
0
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->m_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 */
    ObjectGuid guid;
    MovementInfo movementInfo;

    recv_data >> guid.ReadAsPacked();
    recv_data >> movementInfo;
    /*----------------*/

    if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT) && !mover->GetVehicleGUID())
    {
        // transports size limited
        // (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
        if( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        if( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
            movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
        if (plMover && !plMover->m_transport)
        {
            // elevators also cause the client to send MOVEFLAG_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)->GetObjectGuid() == movementInfo.GetTransportGuid())
                {
                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.SetTransportData(0, 0.0f, 0.0f, 0.0f, 0.0f, 0, -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.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) );
    }
    if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING))
    {
        if(mover->GetTypeId() == TYPEID_UNIT)
        {
            if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim())
            {
                // NOTE : we should enter evade mode here, but...
                ((Vehicle*)mover)->SetSpawnDuration(1);
            }
        }
    }

    /*----------------------*/
  
  if (!plMover)
    return;

    /* process position-change */
    movementInfo.UpdateTime(getMSTime());

    WorldPacket data(opcode, recv_data.size());
    data.appendPackGUID(mover->GetGUID());                  // write guid
    movementInfo.Write(data);                               // write data
    GetPlayer()->SendMessageToSet(&data, false);

    if(plMover)                                             // nothing is charmed, or player charmed
    {
        plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
        plMover->m_movementInfo = movementInfo;
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

        // after move info set
        if ((opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE))
            plMover->UpdateWalkMode(plMover, false);

        if(plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if(movementInfo.GetPos()->z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if(mover->IsInWorld())
        {
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
            if(((Creature*)mover)->isVehicle())
                ((Vehicle*)mover)->RellocatePassengers(mover->GetMap());
        }
    }
}
Esempio n. 11
0
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);

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

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if(plMover && plMover->IsBeingTeleported())
        return;

    /* extract packet */
    MovementInfo movementInfo;
    ReadMovementInfo(recv_data, &movementInfo);
    /*----------------*/

    if(recv_data.size() != recv_data.rpos())
    {
        sLog.outError("MovementHandler: player %s (guid %d, account %u) sent a packet (opcode %u) that is " SIZEFMTD " bytes larger than it should be. Kicked as cheater.", _player->GetName(), _player->GetGUIDLow(), _player->GetSession()->GetAccountId(), recv_data.GetOpcode(), recv_data.size() - recv_data.rpos());
        KickPlayer();
        return;
    }

    if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
        return;

    /* handle special cases */
    if (movementInfo.HasMovementFlag(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_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50 )
            return;

        if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y + movementInfo.t_y,
            movementInfo.z + movementInfo.t_z, movementInfo.o + movementInfo.t_o) )
            return;

        // if we boarded a transport, add us to it
        if (plMover && !plMover->m_transport)
        {
            // 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 = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
            {
                if ((*iter)->GetGUID() == movementInfo.t_guid)
                {
                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.t_x = 0.0f;
        movementInfo.t_y = 0.0f;
        movementInfo.t_z = 0.0f;
        movementInfo.t_o = 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.HasMovementFlag(MOVEMENTFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) );
    }

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

    /* process position-change */
    recv_data.put<uint32>(6, getMSTime());                  // fix time, offset flags(4) + unk(2)
    WorldPacket data(recv_data.GetOpcode(), (mover->GetPackGUID().size()+recv_data.size()));
    data.append(mover->GetPackGUID());                      // use mover guid
    data.append(recv_data.contents(), recv_data.size());
    GetPlayer()->SendMessageToSet(&data, false);

    if(plMover)                                             // nothing is charmed, or player charmed
    {
        plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
        plMover->m_movementInfo = movementInfo;
        plMover->UpdateFallInformationIfNeed(movementInfo, recv_data.GetOpcode());

        if(plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if(movementInfo.z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if(mover->IsInWorld())
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
    }
}
Esempio n. 12
0
void WorldSession::HandleMovementOpcodes(WorldPacket & recvData)
{
    uint16 opcode = recvData.GetOpcode();

    Unit* mover = _player->m_mover;

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

	Player* plrMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
	Vehicle* vehMover = mover->GetVehicleKit();
	if (vehMover)
	     if (mover->HasFlag(UNIT_FIELD_FLAGS, UNIT_FLAG_PLAYER_CONTROLLED))
		 if (Unit* charmer = mover->GetCharmer())
		 if (charmer->GetTypeId() == TYPEID_PLAYER)
		 plrMover = (Player*)charmer;

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if (plrMover && plrMover->IsBeingTeleported())
    {
        recvData.rfinish();                     // prevent warnings spam
        return;
    }

    /* extract packet */
    ObjectGuid guid;

    recvData >> guid.ReadAsPacked();

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

    recvData.rfinish();                         // prevent warnings spam

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

    if (!movementInfo.pos.IsPositionValid())
    {
        recvData.rfinish();                     // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.HasMovementFlag(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.transport.pos.GetPositionX() > 50 || movementInfo.transport.pos.GetPositionY() > 50 || movementInfo.transport.pos.GetPositionZ() > 50)
        {
            recvData.rfinish();                 // prevent warnings spam
            return;
        }

        if (!Trinity::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.transport.pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.transport.pos.GetPositionY(),
            movementInfo.pos.GetPositionZ() + movementInfo.transport.pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.transport.pos.GetOrientation()))
        {
            recvData.rfinish();                 // prevent warnings spam
            return;
        }

        // if we boarded a transport, add us to it
		if (plrMover && !plrMover->m_transport && !plrMover->m_temp_transport)
        {
            if (!plrMover->GetTransport())
            {
                if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
                    transport->AddPassenger(plrMover);
            }
            else if (plrMover->GetTransport()->GetGUID() != movementInfo.transport.guid)
            {
                plrMover->GetTransport()->RemovePassenger(plrMover);
                if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
                    transport->AddPassenger(plrMover);
                else
                    movementInfo.transport.Reset();
            }
        }

		if (!plrMover->m_transport)
			 if (Map *tempMap = mover->GetMap())
			 if (GameObject *tempTransport = tempMap->GetGameObject(movementInfo.transport.guid))
			 if (tempTransport->IsTransport())
			 plrMover->m_temp_transport = tempTransport;
		     if ((!plrMover && !mover->GetTransport() && !mover->GetVehicle()) || (plrMover && !plrMover->m_vehicle && !plrMover->m_transport && !plrMover->m_temp_transport)) // Not sure if the first part is needed. Just added it for verbosity.

        {
            GameObject* go = mover->GetMap()->GetGameObject(movementInfo.transport.guid);
            if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
                movementInfo.RemoveMovementFlag(MOVEMENTFLAG_ONTRANSPORT);
        }
    }
	else if (plrMover && (plrMover->m_transport || plrMover->m_temp_transport)) // if we were on a transport, leave

    {
		if (plrMover->m_transport)
			 {
			plrMover->m_transport->RemovePassenger(plrMover);
			plrMover->m_transport = NULL;
			}
		    plrMover->m_temp_transport = NULL;
        movementInfo.transport.Reset();
    }

    // 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 && plrMover && !plrMover->IsInFlight())
	{
		       // movement anticheat
		plrMover->m_anti_JumpCount = 0;
		plrMover->m_anti_JumpBaseZ = 0;
		if (!vehMover)
			 plrMover->HandleFall(movementInfo);
		
	}


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

	if (plrMover)
		sAnticheatMgr->StartHackDetection(plrMover, movementInfo, opcode);
	
    uint32 mstime = getMSTime();
    /*----------------------*/
    if (m_clientTimeDelay == 0)
        m_clientTimeDelay = mstime - movementInfo.time;

	// begin anti cheat
	bool check_passed = true;
	#ifdef ANTICHEAT_DEBUG
		 TC_LOG_WARN("cheat", "AC2-%s > time: %d fall-time: %d | xyzo: %f, %f, %fo(%f) flags[%X] opcode[%s] | transport (xyzo): %f, %f, %fo(%f)",
		plrMover->GetName(), movementInfo.time, movementInfo.fallTime, movementInfo.pos.m_positionX, movementInfo.pos.m_positionY, movementInfo.pos.m_positionZ, movementInfo.pos.m_orientation,
		movementInfo.flags, LookupOpcodeName(opcode), movementInfo.transport.pos.m_positionX, movementInfo.transport.pos.m_positionY, movementInfo.transport.pos.m_positionZ, movementInfo.transport.pos.m_orientation);
	TC_LOG_WARN("cheat", "AC2-%s Transport > GUID: (low)%d - (high)%d",
		plrMover->GetName(), GUID_LOPART(movementInfo.transport.guid), GUID_HIPART(movementInfo.transport.guid));
	#endif
		
		if (plrMover)
		{
		if (World::GetEnableMvAnticheat() && !plrMover->IsGameMaster() && !plrMover->GetCharmerOrOwnerPlayerOrPlayerItself()->IsGameMaster() && !plrMover->GetCharmerOrOwnerPlayerOrPlayerItself()->GetVehicle())
			 {
			            // calc time deltas
				int32 cClientTimeDelta = 1500;
			if (plrMover->m_anti_LastClientTime != 0)
				 {
				cClientTimeDelta = movementInfo.time - plrMover->m_anti_LastClientTime;
				plrMover->m_anti_DeltaClientTime += cClientTimeDelta;
				plrMover->m_anti_LastClientTime = movementInfo.time;
				}
			else
				 plrMover->m_anti_LastClientTime = movementInfo.time;
			
				const uint64 cServerTime = getMSTime();
			uint32 cServerTimeDelta = 1500;
			if (plrMover->m_anti_LastServerTime != 0)
				 {
				cServerTimeDelta = cServerTime - plrMover->m_anti_LastServerTime;
				plrMover->m_anti_DeltaServerTime += cServerTimeDelta;
				plrMover->m_anti_LastServerTime = cServerTime;
				}
			else
				 plrMover->m_anti_LastServerTime = cServerTime;
			
				            // resync times on client login (first 15 sec for heavy areas)
				if (plrMover->m_anti_DeltaServerTime < 15000 && plrMover->m_anti_DeltaClientTime < 15000)
				 plrMover->m_anti_DeltaClientTime = plrMover->m_anti_DeltaServerTime;
			
				const int32 sync_time = plrMover->m_anti_DeltaClientTime - plrMover->m_anti_DeltaServerTime;
			
				#ifdef ANTICHEAT_DEBUG
				 TC_LOG_WARN("cheat", "AC2-%s Time > cClientTimeDelta: %d, cServerTime: %d | deltaC: %d - deltaS: %d | SyncTime: %d", plrMover->GetName(), cClientTimeDelta, cServerTime, plrMover->m_anti_DeltaClientTime, plrMover->m_anti_DeltaServerTime, sync_time);
			#endif
				
				            // mistiming checks
				const int32 GetMistimingDelta = abs(int32(World::GetMistimingDelta()));
			if (sync_time > GetMistimingDelta)
				 {
				cClientTimeDelta = cServerTimeDelta;
				++(plrMover->m_anti_MistimingCount);
				
					const bool bMistimingModulo = plrMover->m_anti_MistimingCount % 50 == 0;
				
					if (bMistimingModulo)
					{
					#ifdef ANTICHEAT_EXCEPTION_INFO
						 TC_LOG_WARN("cheat", "AC2-%s, mistiming exception #%d, mistiming: %dms Action: %s", plrMover->GetName().c_str(), plrMover->m_anti_MistimingCount, sync_time, &Warden::Penalty);
					#endif
						 check_passed = false;
					}
				                //if (vehMover)
					                //    vehMover->Die();
					                // Tell the player "Sure, you can fly!"
					{
					WorldPacket data(SMSG_MOVE_SET_CAN_FLY, 12);
					data << plrMover->GetPackGUID();
					data << uint32(0);
					SendPacket(&data);
					}
				                // Then tell the player "Wait, no, you can't."
					{
					WorldPacket data(SMSG_MOVE_UNSET_CAN_FLY, 12);
					data << plrMover->GetPackGUID();
					data << uint32(0);
					SendPacket(&data);
					}
				                //plrMover->FallGround(2);
					
					                /* Disabled, not passive at all, and apparently causing crashes:
									                 if (plrMover->m_anti_MistimingCount > World::GetMistimingAlarms())
									                 {
									                     sWorld.SendWorldText(3, strcat("Kicking cheater: ", plrMover->GetName()));
									                     KickPlayer();
									                     return;
									                 } */
					 }
			            // end mistiming checks
				
				const uint32 curDest = plrMover->m_taxi.GetTaxiDestination(); // check taxi flight
			if (!curDest)
				 {
				UnitMoveType move_type;
				
					                // calculating section
					                // current speed
					if (movementInfo.flags & MOVEMENTFLAG_FLYING)
					 move_type = movementInfo.flags & MOVEMENTFLAG_BACKWARD ? MOVE_FLIGHT_BACK : MOVE_FLIGHT;
				else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING)
					 move_type = movementInfo.flags & MOVEMENTFLAG_BACKWARD ? MOVE_SWIM_BACK : MOVE_SWIM;
				else if (movementInfo.flags & MOVEMENTFLAG_WALKING)
					 move_type = MOVE_WALK;
				                // hmm... in first time after login player has MOVE_SWIMBACK instead MOVE_WALKBACK
					else
					 move_type = movementInfo.flags & MOVEMENTFLAG_BACKWARD ? MOVE_SWIM_BACK : MOVE_RUN;
				
				const float current_speed = mover->GetSpeed(move_type);
				                // end current speed
					
					                // movement distance
				const float delta_x = plrMover->m_transport || plrMover->m_temp_transport ? 0 : plrMover->GetPositionX() - movementInfo.pos.GetPositionX();
				const float delta_y = plrMover->m_transport || plrMover->m_temp_transport ? 0 : plrMover->GetPositionY() - movementInfo.pos.GetPositionY();
				const float delta_z = plrMover->m_transport || plrMover->m_temp_transport ? 0 : plrMover->GetPositionZ() - movementInfo.pos.GetPositionZ();
				const float real_delta = plrMover->m_transport || plrMover->m_temp_transport ? 0 : pow(delta_x, 2) + pow(delta_y, 2);
				                // end movement distance
					
					const bool no_fly_auras = !(plrMover->HasAuraType(SPELL_AURA_FLY) || plrMover->HasAuraType(SPELL_AURA_MOD_INCREASE_VEHICLE_FLIGHT_SPEED)
					 || plrMover->HasAuraType(SPELL_AURA_MOD_INCREASE_MOUNTED_FLIGHT_SPEED) || plrMover->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED)
					 || plrMover->HasAuraType(SPELL_AURA_MOD_MOUNTED_FLIGHT_SPEED_ALWAYS) || plrMover->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_NOT_STACK));
				const bool no_fly_flags = (movementInfo.flags & (MOVEMENTFLAG_CAN_FLY | MOVEMENTFLAG_FLYING)) == 0;
			
				const bool no_swim_flags = (movementInfo.flags & MOVEMENTFLAG_SWIMMING) == 0;
				const bool no_swim_in_water = !mover->IsInWater();
				const bool no_swim_above_water = movementInfo.pos.GetPositionZ() - 7.0f >= mover->GetBaseMap()->GetWaterLevel(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY());
				const bool no_swim_water = no_swim_in_water && no_swim_above_water;
				
					const bool no_waterwalk_flags = (movementInfo.flags & MOVEMENTFLAG_WATERWALKING) == 0;
				const bool no_waterwalk_auras = !(plrMover->HasAuraType(SPELL_AURA_WATER_WALK) || plrMover->HasAuraType(SPELL_AURA_GHOST));
				
					if (cClientTimeDelta < 0)
					 cClientTimeDelta = 0;
				const float time_delta = cClientTimeDelta < 1500 ? float(cClientTimeDelta) / 1000.0f : 1.5f; // normalize time - 1.5 second allowed for heavy loaded server
				
					const float tg_z = (real_delta != 0 && no_fly_auras && no_swim_flags) ? (pow(delta_z, 2) / real_delta) : -99999; // movement distance tangents
				
					if (current_speed < plrMover->m_anti_Last_HSpeed && plrMover->m_anti_LastSpeedChangeTime == 0)
					 plrMover->m_anti_LastSpeedChangeTime = movementInfo.time + uint32(floor(((plrMover->m_anti_Last_HSpeed / current_speed) * 1500)) + 100); // 100ms above for random fluctuation
				
					const float allowed_delta = plrMover->m_transport || plrMover->m_temp_transport ? 2 : // movement distance allowed delta
					pow(std::max(current_speed, plrMover->m_anti_Last_HSpeed) * time_delta, 2)
					 +2                                                                             // minimum allowed delta
					 +(tg_z > 2.2 ? pow(delta_z, 2) / 2.37f : 0);                                     // mountain fall allowed delta
				
					if (movementInfo.time > plrMover->m_anti_LastSpeedChangeTime)
					 {
					plrMover->m_anti_Last_HSpeed = current_speed;                                    // store current speed
					plrMover->m_anti_Last_VSpeed = -2.3f;
					plrMover->m_anti_LastSpeedChangeTime = 0;
					}
				                // end calculating section
					
					                // AntiGravity (thanks to Meekro)
					const float JumpHeight = plrMover->m_anti_JumpBaseZ - movementInfo.pos.GetPositionZ();
				if (no_fly_auras && no_swim_in_water && plrMover->m_anti_JumpBaseZ != 0 && JumpHeight < plrMover->m_anti_Last_VSpeed)
					 {
					#ifdef ANTICHEAT_EXCEPTION_INFO
						 TC_LOG_WARN("cheat", "AC2-%s, AntiGravity exception. JumpHeight = %f, Allowed Vertical Speed = %f",
						plrMover->GetName().c_str(), JumpHeight, plrMover->m_anti_Last_VSpeed);
					#endif
						 check_passed = false;
					                    //if (vehMover)
						                    //    vehMover->Die();
						                    // Tell the player "Sure, you can fly!"
						{
						WorldPacket data(SMSG_MOVE_SET_CAN_FLY, 12);
						data << plrMover->GetPackGUID();
						data << uint32(0);
						SendPacket(&data);
						}
					                    // Then tell the player "Wait, no, you can't."
						{
						WorldPacket data(SMSG_MOVE_UNSET_CAN_FLY, 12);
						data << plrMover->GetPackGUID();
						data << uint32(0);
						SendPacket(&data);
						}
					                    //plrMover->FallGround(2);
						}
				
					                // multi jump checks
					if (opcode == MSG_MOVE_JUMP)
					 {
					if (no_fly_auras && no_swim_water)
						 {
						if (plrMover->m_anti_JumpCount >= 1)
							 {
							                            // don't process new jump packet
								check_passed = false;
							#ifdef ANTICHEAT_EXCEPTION_INFO
								 TC_LOG_WARN("cheat", "AC2-%s, Multijump exception.", plrMover->GetName().c_str(), JumpHeight, plrMover->m_anti_Last_VSpeed);
							#endif
								                            //if (vehMover)
								                            //    vehMover->Die();
								                            // Tell the player "Sure, you can fly!"
								{
								WorldPacket data(SMSG_MOVE_SET_CAN_FLY, 12);
								data << plrMover->GetPackGUID();
								data << uint32(0);
								SendPacket(&data);
								}
							                            // Then tell the player "Wait, no, you can't."
								{
								WorldPacket data(SMSG_MOVE_UNSET_CAN_FLY, 12);
								data << plrMover->GetPackGUID();
								data << uint32(0);
								SendPacket(&data);
								}
							                            //plrMover->FallGround(2);
								plrMover->m_anti_JumpCount = 0;
							}
						else
							 {
							plrMover->m_anti_JumpCount += 1;
							plrMover->m_anti_JumpBaseZ = movementInfo.pos.GetPositionZ();
							}
						}
					else
						 plrMover->m_anti_JumpCount = 0;
					}
				// speed and teleport hack checks
				if (real_delta > allowed_delta)
					 {
				   #ifdef ANTICHEAT_EXCEPTION_INFO
						 if (real_delta < 4900.0f)
						 {
						TC_LOG_WARN("cheat", "AC2-%s, speed exception | cDelta=%f aDelta=%f | cSpeed=%f lSpeed=%f deltaTime=%f", plrMover->GetName().c_str(), real_delta, allowed_delta, current_speed, plrMover->m_anti_Last_HSpeed, time_delta);
						}
						else {
							TC_LOG_WARN("cheat", "AC2-%s, teleport exception | cDelta=%f aDelta=%f | cSpeed=%f lSpeed=%f deltaTime=%f", plrMover->GetName().c_str(), real_delta, allowed_delta, current_speed, plrMover->m_anti_Last_HSpeed, time_delta);
							
						}
						#endif
							 check_passed = false;
						                    //if (vehMover)
							                    //    vehMover->Die();
							                    //plrMover->FallGround(2);
							}
				
					                // mountain hack checks // 1.56f (delta_z < GetPlayer()->m_anti_Last_VSpeed))
					if (delta_z < plrMover->m_anti_Last_VSpeed && plrMover->m_anti_JumpCount == 0 && tg_z > 2.37f)
					 {
					#ifdef ANTICHEAT_EXCEPTION_INFO
						 TC_LOG_WARN("cheat", "AC2-%s, mountain exception | tg_z=%f", plrMover->GetName().c_str(), tg_z);
					#endif
						 check_passed = false;
					                //    if (vehMover)
						                //        vehMover->Die();
						}
				
					                // Fly hack checks
					if (no_fly_auras && !no_fly_flags)
					 {
					#ifdef ANTICHEAT_EXCEPTION_INFO // Aura numbers: 201, 206, 207, 208, 209, 211
						                    //TC_LOG_WARN("cheat", "AC2-%s, flight exception. {SPELL_AURA_FLY=[%X]} {SPELL_AURA_MOD_INCREASE_MOUNTED_FLIGHT_SPEED=[%X]} {SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED=[%X]} {SPELL_AURA_MOD_MOUNTED_FLIGHT_SPEED_ALWAYS=[%X]} {SPELL_AURA_MOD_FLIGHT_SPEED_NOT_STACK=[%X]} {plrMover->GetVehicle()=[%X]}",
						plrMover->GetName().c_str(),
						    					 //Last Updated By ShopWoW.ir                    
						plrMover->HasAuraType(SPELL_AURA_FLY), plrMover->HasAuraType(SPELL_AURA_MOD_INCREASE_MOUNTED_FLIGHT_SPEED),
						plrMover->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED), plrMover->HasAuraType(SPELL_AURA_MOD_MOUNTED_FLIGHT_SPEED_ALWAYS),
						plrMover->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_NOT_STACK), plrMover->GetVehicle();
					#endif
						 check_passed = false;
					                    //if (vehMover)
						                    //    vehMover->Die();
						                    // Tell the player "Sure, you can fly!"
						{
						WorldPacket data(SMSG_MOVE_SET_CAN_FLY, 12);
						data << plrMover->GetPackGUID();
						data << uint32(0);
						SendPacket(&data);
						}
					                    // Then tell the player "Wait, no, you can't."
						{
						WorldPacket data(SMSG_MOVE_UNSET_CAN_FLY, 12);
						data << plrMover->GetPackGUID();
						data << uint32(0);
						SendPacket(&data);
						}
					                    //plrMover->FallGround(2);
						}
				
					                // Waterwalk checks
					if (no_waterwalk_auras && !no_waterwalk_flags)
					 {
					#ifdef ANTICHEAT_EXCEPTION_INFO
						 TC_LOG_WARN("cheat", "AC2-%s, waterwalk exception. [%X]{SPELL_AURA_WATER_WALK=[%X]}",
						plrMover->GetName().c_str(), movementInfo.flags, plrMover->HasAuraType(SPELL_AURA_WATER_WALK));
					#endif
						 check_passed = false;
					                    //if (vehMover)
						                    //    vehMover->Die();
						                    // Tell the player "Sure, you can fly!"
						{
						WorldPacket data(SMSG_MOVE_SET_CAN_FLY, 12);
						data << plrMover->GetPackGUID();
						data << uint32(0);
						SendPacket(&data);
						}
					                    // Then tell the player "Wait, no, you can't."
						{
						WorldPacket data(SMSG_MOVE_UNSET_CAN_FLY, 12);
						data << plrMover->GetPackGUID();
						data << uint32(0);
						SendPacket(&data);
						}
					                    //plrMover->FallGround(2);
						}
				
					                // Teleport To Plane checks
					if (no_swim_in_water && movementInfo.pos.GetPositionZ() < 0.0001f && movementInfo.pos.GetPositionZ() > -0.0001f)
					 {
					if (const Map *map = plrMover->GetMap())
						 {
						float plane_z = map->GetHeight(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), MAX_HEIGHT) - movementInfo.pos.GetPositionZ();
						plane_z = (plane_z < -500.0f) ? 0.0f : plane_z; // check holes in height map
						if (plane_z > 0.1f || plane_z < -0.1f)
							 {
							#ifdef ANTICHEAT_DEBUG
								 TC_LOG_WARN("cheat", "AC2-%s, teleport to plane exception. plane_z: %f", plrMover->GetName(), plane_z);
							#endif
								 #ifdef ANTICHEAT_EXCEPTION_INFO
								 if (plrMover->m_anti_TeleToPlane_Count > World::GetTeleportToPlaneAlarms())
								 {
								TC_LOG_WARN("cheat", "AC2-%s, teleport to plane exception. Exception count: %d", plrMover->GetName().c_str(), plrMover->m_anti_TeleToPlane_Count);
								                                /* Disabled, not passive at all, and apparently causing crashes:
																                                 sWorld.SendWorldText(3, strcat("Kicking cheater: ", plrMover->GetName()));
																                                 KickPlayer();
																                                 return; */
																 }
							#endif
								 ++(plrMover->m_anti_TeleToPlane_Count);
							check_passed = false;
							                            //if (vehMover)
								                            //    vehMover->Die();
							}
						}
					}
			      else
					 plrMover->m_anti_TeleToPlane_Count = 0;
				}
				}
				}
				     /* process position-change */
					if (check_passed)
					{

    WorldPacket data(opcode, recvData.size());
    movementInfo.time = movementInfo.time + m_clientTimeDelay + MOVEMENT_PACKET_TIME_DELAY;

    movementInfo.guid = mover->GetGUID();
    WriteMovementInfo(&data, &movementInfo);
    mover->SendMessageToSet(&data, _player);

    mover->m_movementInfo = movementInfo;

    // Some vehicles allow the passenger to turn by himself
    if (Vehicle* vehicle = mover->GetVehicle())
    {
        if (VehicleSeatEntry const* seat = vehicle->GetSeatForPassenger(mover))
        {
            if (seat->m_flags & VEHICLE_SEAT_FLAG_ALLOW_TURNING)
            {
                if (movementInfo.pos.GetOrientation() != mover->GetOrientation())
                {
                    mover->SetOrientation(movementInfo.pos.GetOrientation());
                    mover->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_TURNING);
                }
            }
        }
        return;
    }

    mover->UpdatePosition(movementInfo.pos);

	if (plrMover && !vehMover)                               // nothing is charmed, or player charmed
    {
        if (plrMover->IsSitState() && (movementInfo.flags & (MOVEMENTFLAG_MASK_MOVING | MOVEMENTFLAG_MASK_TURNING)))
            plrMover->SetStandState(UNIT_STAND_STATE_STAND);

        plrMover->UpdateFallInformationIfNeed(movementInfo, opcode);

		float underMapValueZ;
		
			switch (plrMover->GetMapId())
			 {
			case 617: underMapValueZ = 3.0f; break; // Dalaran Sewers
			case 618: underMapValueZ = 28.0f; break; // Ring of Valor
			default: underMapValueZ = -500.0f; break;
			}
		
			if (movementInfo.pos.GetPositionZ() < plrMover->GetMap()->GetMinHeight(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY()) || movementInfo.pos.GetPositionZ() < underMapValueZ)
		{
            if (!(plrMover->GetBattleground() && plrMover->GetBattleground()->HandlePlayerUnderMap(_player)))
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                /// @todo discard movement packets after the player is rooted
                if (plrMover->IsAlive())
                {
					plrMover->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_IS_OUT_OF_BOUNDS);
                    plrMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // player can be alive if GM/etc
                    // change the death state to CORPSE to prevent the death timer from
                    // starting in the next player update
                    if (!plrMover->IsAlive())
                        plrMover->KillPlayer();
                }
            }
        }
			// movement anticheat
			if (plrMover->m_anti_AlarmCount > 0)
				 {
				TC_LOG_WARN("cheat", "AC2-%s produce %d anticheat alarms.", plrMover->GetName().c_str(), plrMover->m_anti_AlarmCount);
				plrMover->m_anti_AlarmCount = 0;
				}
	        // end movement anticheat
				
	}
	
					}
					else if (plrMover)
						{
						if (plrMover->m_transport)
							 {
							plrMover->m_transport->RemovePassenger(plrMover);
							plrMover->m_transport = NULL;
							}
						plrMover->m_temp_transport = NULL;
						++(plrMover->m_anti_AlarmCount);
						WorldPacket data;
						plrMover->SetUnitMovementFlags(0);
						plrMover->SendTeleportAckPacket();
						plrMover->BuildHeartBeatMsg(&data);
						plrMover->SendMessageToSet(&data, true);
    }
}
Esempio n. 13
0
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
    recv_data.hexlike();

    Unit *mover = _player->m_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 */
    uint64 guid;

    if(!recv_data.readPackGUID(guid))
        return;

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

    if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
    {
        recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
        return;
    }

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT))
    {
        // transports size limited
        if( movementInfo.t_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 100 )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y + movementInfo.t_y,
            movementInfo.z + movementInfo.t_z, movementInfo.o + movementInfo.t_o) )
        {
            recv_data.rpos(recv_data.wpos());                   // prevent warnings spam
            return;
        }

        if (plMover && !plMover->m_transport)
        {
            for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
            {
                // elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
                if ((*iter)->GetGUID() == movementInfo.t_guid)
                {
                    plMover->m_transport = (*iter);
                    (*iter)->AddPassenger(plMover);
                    break;
                }
            }
        }
    }
    else if (plMover && plMover->m_transport)               // if we were on a transport, leave
    {
        plMover->m_transport->RemovePassenger(plMover);
        plMover->m_transport = NULL;
        movementInfo.t_x = 0.0f;
        movementInfo.t_y = 0.0f;
        movementInfo.t_z = 0.0f;
        movementInfo.t_o = 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.HasMovementFlag(MOVEMENTFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) );
    }

    /*----------------------*/
    /* process position-change */
    WorldPacket data(opcode, recv_data.size());
    movementInfo.time = getMSTime();
    movementInfo.guid = mover->GetGUID();
    WriteMovementInfo(&data, &movementInfo);
    GetPlayer()->SendMessageToSet(&data, false);

    if(plMover)                                             // nothing is charmed, or player charmed
    {
        plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
        plMover->m_movementInfo = movementInfo;
        plMover->UpdateFallInformationIfNeed(movementInfo, opcode);

        if(plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if(movementInfo.z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
    }
    else                                                    // creature charmed
    {
        if(mover->IsInWorld())
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
    }
}
Esempio n. 14
0
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);

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

    // ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
    if(plMover && plMover->IsBeingTeleported())
    {
        // movement anticheat
        plMover->m_anti_JustTeleported = 1;
        // end movement anticheat
        return;
    }

    /* extract packet */
    MovementInfo movementInfo;
    ReadMovementInfo(recv_data, &movementInfo);
    /*----------------*/

    if(!(movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) && _player->GetVehicleGUID())
    {
        if(mover->GetGUID() == _player->GetGUID())
        {
            return;
        }
    }
    // we sent a movement packet with MOVEMENTFLAG_ONTRANSPORT and we are on vehicle
    // this can be moving on vehicle or entering another transport (eg. boat)
    if((movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) && _player->GetVehicleGUID())
    {
        // we are controlling that vehicle
        if(mover->GetGUID() == _player->GetVehicleGUID())
        {
            // we sent movement packet, related to movement ON vehicle,
            // but not WITH vehicle, so mover = player
            if(_player->GetVehicleGUID() == movementInfo.t_guid)
            {
                // this is required to avoid client crash, otherwise it will result
                // in moving with vehicle on the same vehicle and that = crash
                mover = _player;
                plMover = _player;
            }
        }
        if(_player->GetVehicleGUID() == movementInfo.t_guid)
        {
            _player->m_SeatData.OffsetX = movementInfo.t_x;
            _player->m_SeatData.OffsetY = movementInfo.t_y;
            _player->m_SeatData.OffsetZ = movementInfo.t_z;
            _player->m_SeatData.Orientation = movementInfo.t_o;
        }
    }

    if(recv_data.size() != recv_data.rpos())
    {
        sLog.outError("MovementHandler: player %s (guid %d, account %u) sent a packet (opcode %u) that is " SIZEFMTD " bytes larger than it should be. Kicked as cheater.", _player->GetName(), _player->GetGUIDLow(), _player->GetSession()->GetAccountId(), recv_data.GetOpcode(), recv_data.size() - recv_data.rpos());
        KickPlayer();
        return;
    }

    if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
        return;

    /* handle special cases */
    if (movementInfo.HasMovementFlag(MOVEMENTFLAG_ONTRANSPORT) && !mover->GetVehicleGUID())
    {
        // 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_x > 60 || movementInfo.t_y > 60 || movementInfo.t_x < -60 ||  movementInfo.t_y < -60 )
            return;

        if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y + movementInfo.t_y,
            movementInfo.z + movementInfo.t_z, movementInfo.o + movementInfo.t_o) )
            return;

        if (plMover && plMover->m_anti_TransportGUID == 0 && (movementInfo.t_guid !=0))
        {
            // if we boarded a transport, add us to it
            if (plMover && !plMover->m_transport)
            {
                // 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 = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
                {
                    if ((*iter)->GetGUID() == movementInfo.t_guid)
                    {
                        plMover->m_transport = (*iter);
                        (*iter)->AddPassenger(plMover);
                        break;
                    }
                }
            }
            //movement anticheat;
            //Correct finding GO guid in DB (thanks to GriffonHeart)
            GameObject *obj = HashMapHolder<GameObject>::Find(movementInfo.t_guid);
            if(obj)
                plMover->m_anti_TransportGUID = obj->GetDBTableGUIDLow();
            else
                plMover->m_anti_TransportGUID = GUID_LOPART(movementInfo.t_guid);
            // end movement anticheat
        }
    } else if (plMover && plMover->m_anti_TransportGUID != 0){
        if (plMover && plMover->m_transport)               // if we were on a transport, leave
        {
            plMover->m_transport->RemovePassenger(plMover);
            plMover->m_transport = NULL;
        }
        movementInfo.t_x = 0.0f;
        movementInfo.t_y = 0.0f;
        movementInfo.t_z = 0.0f;
        movementInfo.t_o = 0.0f;
        movementInfo.t_time = 0;
        movementInfo.t_seat = -1;
        plMover->m_anti_TransportGUID = 0;
    }

    // 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())
    {
        //movement anticheat
        plMover->m_anti_JustJumped = 0;
        plMover->m_anti_JumpBaseZ = 0;
        //end movement anticheat
        plMover->HandleFall(movementInfo);
    }

    if (plMover && (movementInfo.HasMovementFlag(MOVEMENTFLAG_SWIMMING) != plMover->IsInWater()))
    {
        // now client not include swimming flag in case jumping under water
        plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) );
    }
    if (movementInfo.HasMovementFlag(MOVEMENTFLAG_SWIMMING))
    {
        if(mover->GetTypeId() == TYPEID_UNIT)
        {
            if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim())
            {
                // NOTE : we should enter evade mode here, but...
                ((Vehicle*)mover)->SetSpawnDuration(1);
            }
        }
    }

    /*----------------------*/
    //---- anti-cheat features -->>>
    bool check_passed = true;
    #ifdef MOVEMENT_ANTICHEAT_DEBUG
    if (plMover){
        sLog.outBasic("MA-%s > client-time:%d fall-time:%d | xyzo: %f,%f,%fo(%f) flags[%X] opcode[%s]| transport (xyzo): %f,%f,%fo(%f)",
                    plMover->GetName(),movementInfo.time,movementInfo.fallTime,movementInfo.x,movementInfo.y,movementInfo.z,movementInfo.o,
                    movementInfo.flags, LookupOpcodeName(opcode),movementInfo.t_x,movementInfo.t_y,movementInfo.t_z,movementInfo.t_o);
        sLog.outBasic("MA-%s Transport > server GUID: %d |  client GUID: (lo)%d - (hi)%d",
                    plMover->GetName(),plMover->m_anti_TransportGUID, GUID_LOPART(movementInfo.t_guid), GUID_HIPART(movementInfo.t_guid));
    } else {
        sLog.outBasic("MA > client-time:%d fall-time:%d | xyzo: %f,%f,%fo(%f) flags[%X] opcode[%s]| transport (xyzo): %f,%f,%fo(%f)",
                    movementInfo.time,movementInfo.fallTime,movementInfo.x,movementInfo.y,movementInfo.z,movementInfo.o,
                    movementInfo.flags, LookupOpcodeName(opcode),movementInfo.t_x,movementInfo.t_y,movementInfo.t_z,movementInfo.t_o);
        sLog.outBasic("MA Transport > server GUID:  |  client GUID: (lo)%d - (hi)%d",
                    GUID_LOPART(movementInfo.t_guid), GUID_HIPART(movementInfo.t_guid));
    }
    #endif

    if (plMover && World::GetEnableMvAnticheat())
    {
        //calc time deltas
        int32 cClientTimeDelta = 1500;
        if (plMover->m_anti_LastClientTime !=0){
            cClientTimeDelta = movementInfo.time - plMover->m_anti_LastClientTime;
            plMover->m_anti_DeltaClientTime += cClientTimeDelta;
            plMover->m_anti_LastClientTime = movementInfo.time;
        } else {
            plMover->m_anti_LastClientTime = movementInfo.time;
        }

        uint32 cServerTime=getMSTime();
        uint32 cServerTimeDelta = 1500;
        if (plMover->m_anti_LastServerTime != 0){
            cServerTimeDelta = cServerTime - plMover->m_anti_LastServerTime;
            plMover->m_anti_DeltaServerTime += cServerTimeDelta;
            plMover->m_anti_LastServerTime = cServerTime;
        } else {
            plMover->m_anti_LastServerTime = cServerTime;
        }

        //resync times on client login (first 15 sec for heavy areas)
        if (plMover->m_anti_DeltaServerTime < 15000 && plMover->m_anti_DeltaClientTime < 15000)
            plMover->m_anti_DeltaClientTime = plMover->m_anti_DeltaServerTime;

        int32 sync_time = plMover->m_anti_DeltaClientTime - plMover->m_anti_DeltaServerTime;

        #ifdef MOVEMENT_ANTICHEAT_DEBUG
        sLog.outBasic("MA-%s Time > cClientTimeDelta: %d, cServerTime: %d || deltaC: %d - deltaS: %d || SyncTime: %d",
                        plMover->GetName(),cClientTimeDelta, cServerTime,
                        plMover->m_anti_DeltaClientTime, plMover->m_anti_DeltaServerTime, sync_time);
        #endif

        //mistiming checks
        int32 gmd = World::GetMistimingDelta();
        if (sync_time > gmd || sync_time < -gmd){
            cClientTimeDelta = cServerTimeDelta;
            plMover->m_anti_MistimingCount++;

            sLog.outError("MA-%s, mistiming exception. #:%d, mistiming: %dms ",
                            plMover->GetName(), plMover->m_anti_MistimingCount, sync_time);

            if (plMover->m_anti_MistimingCount > World::GetMistimingAlarms())
            {
                sWorld.SendWorldText(3,"Bye Cheto! ",plMover->GetName());
                plMover->GetSession()->KickPlayer();
                return;
            }
            check_passed = false;
        }
        // end mistiming checks

        uint32 curDest = plMover->m_taxi.GetTaxiDestination(); //check taxi flight
        if ((plMover->m_anti_TransportGUID == 0) && !curDest)
        {
            UnitMoveType move_type;

            // calculating section ---------------------
            //current speed
            if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = movementInfo.flags & MOVEMENTFLAG_BACKWARD ? MOVE_FLIGHT_BACK : MOVE_FLIGHT;
            else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = movementInfo.flags & MOVEMENTFLAG_BACKWARD ? MOVE_SWIM_BACK : MOVE_SWIM;
            else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK;
            //hmm... in first time after login player has MOVE_SWIMBACK instead MOVE_WALKBACK
            else move_type = movementInfo.flags & MOVEMENTFLAG_BACKWARD ? MOVE_SWIM_BACK : MOVE_RUN;

            float current_speed = plMover->GetSpeed(move_type);
            // end current speed

            // movement distance
            float allowed_delta= 0;

            float delta_x = plMover->GetPositionX() - movementInfo.x;
            float delta_y = plMover->GetPositionY() - movementInfo.y;
            float delta_z = plMover->GetPositionZ() - movementInfo.z;
            float real_delta = delta_x * delta_x + delta_y * delta_y;
            float tg_z = -99999; //tangens
            // end movement distance

            if (cClientTimeDelta < 0) {cClientTimeDelta = 0;}
            float time_delta = (cClientTimeDelta < 1500) ? (float)cClientTimeDelta/1000 : 1.5f; //normalize time - 1.5 second allowed for heavy loaded server

            if (!(movementInfo.flags & (MOVEMENTFLAG_FLYING | MOVEMENTFLAG_SWIMMING)))
              tg_z = (real_delta !=0) ? (delta_z*delta_z / real_delta) : -99999;

            if (current_speed < plMover->m_anti_Last_HSpeed)
            {
                allowed_delta = plMover->m_anti_Last_HSpeed;
                if (plMover->m_anti_LastSpeedChangeTime == 0 )
                    plMover->m_anti_LastSpeedChangeTime = movementInfo.time + (uint32)floor(((plMover->m_anti_Last_HSpeed / current_speed) * 1500)) + 100; //100ms above for random fluctuating =)))
            } else {
                allowed_delta = current_speed;
            }
            allowed_delta = allowed_delta * time_delta;
            allowed_delta = allowed_delta * allowed_delta + 2;
            if (tg_z > 2.2)
                allowed_delta = allowed_delta + (delta_z*delta_z)/2.37; // mountain fall allowed speed

            if (movementInfo.time>plMover->m_anti_LastSpeedChangeTime)
            {
                plMover->m_anti_Last_HSpeed = current_speed; // store current speed
                plMover->m_anti_Last_VSpeed = -2.3f;
                if (plMover->m_anti_LastSpeedChangeTime != 0) plMover->m_anti_LastSpeedChangeTime = 0;
            }
            // end calculating section ---------------------

            //AntiGravitation (thanks to Meekro)
            float JumpHeight = plMover->m_anti_JumpBaseZ - movementInfo.z;
            if ((plMover->m_anti_JumpBaseZ != 0)
                    && !(movementInfo.flags & (MOVEMENTFLAG_SWIMMING | MOVEMENTFLAG_FLYING | MOVEMENTFLAG_FLYING2))
                    && (JumpHeight < plMover->m_anti_Last_VSpeed))
            {
                #ifdef MOVEMENT_ANTICHEAT_DEBUG
                sLog.outError("MA-%s, GraviJump exception. JumpHeight = %f, Allowed Veritcal Speed = %f",
                                plMover->GetName(), JumpHeight, plMover->m_anti_Last_VSpeed);
                #endif
                check_passed = false;
            }
 
            //multi jump checks
            if (opcode == MSG_MOVE_JUMP && !plMover->IsInWater())
            {
                if (plMover->m_anti_JustJumped >= 1){
                    check_passed = false; //don't process new jump packet
                } else {
                    plMover->m_anti_JustJumped += 1;
                    plMover->m_anti_JumpBaseZ = movementInfo.z;
                }
            } else if (plMover->IsInWater()) {
                 plMover->m_anti_JustJumped = 0;
            }

            //speed hack checks
            if ((real_delta > allowed_delta)) // && (delta_z < 0))
            {
                #ifdef MOVEMENT_ANTICHEAT_DEBUG
                sLog.outError("MA-%s, speed exception | cDelta=%f aDelta=%f | cSpeed=%f lSpeed=%f deltaTime=%f",
                                plMover->GetName(), real_delta, allowed_delta, current_speed, plMover->m_anti_Last_HSpeed,time_delta);
                #endif
                check_passed = false;
            }
            //teleport hack checks
            if ((real_delta>4900.0f) && !(real_delta < allowed_delta))
            {
                #ifdef MOVEMENT_ANTICHEAT_DEBUG
                sLog.outError("MA-%s, is teleport exception | cDelta=%f aDelta=%f | cSpeed=%f lSpeed=%f deltaToime=%f",
                                plMover->GetName(),real_delta, allowed_delta, current_speed, plMover->m_anti_Last_HSpeed,time_delta);
                #endif
                check_passed = false;
            }

            //mountian hack checks // 1.56f (delta_z < GetPlayer()->m_anti_Last_VSpeed))
            if ((delta_z < plMover->m_anti_Last_VSpeed) && (plMover->m_anti_JustJumped == 0) && (tg_z > 2.37f))
            {
                #ifdef MOVEMENT_ANTICHEAT_DEBUG
                sLog.outError("MA-%s, mountain exception | tg_z=%f", plMover->GetName(),tg_z);
                #endif
                check_passed = false;
            }
            //Fly hack checks
            if (((movementInfo.flags & (MOVEMENTFLAG_CAN_FLY | MOVEMENTFLAG_FLYING | MOVEMENTFLAG_FLYING2)) != 0)
                  && !plMover->isGameMaster()
                  && !(plMover->HasAuraType(SPELL_AURA_FLY) || plMover->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED)))
            {
                #ifdef MOVEMENT_ANTICHEAT_DEBUG
                sLog.outError("MA-%s, flight exception. {SPELL_AURA_FLY=[%X]} {SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED=[%X]} {SPELL_AURA_MOD_SPEED_FLIGHT=[%X]} {SPELL_AURA_MOD_FLIGHT_SPEED_ALWAYS=[%X]} {SPELL_AURA_MOD_FLIGHT_SPEED_NOT_STACK=[%X]}",
                   plMover->GetName(),
                   plMover->HasAuraType(SPELL_AURA_FLY), plMover->HasAuraType(SPELL_AURA_MOD_INCREASE_FLIGHT_SPEED),
                   plMover->HasAuraType(SPELL_AURA_MOD_SPEED_FLIGHT), plMover->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_ALWAYS),
                   plMover->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_NOT_STACK));
                #endif
                check_passed = false;
            }
            //Water-Walk checks
            if (((movementInfo.flags & MOVEMENTFLAG_WATERWALKING) != 0)
                  && !plMover->isGameMaster()
                  && !(plMover->HasAuraType(SPELL_AURA_WATER_WALK) | plMover->HasAuraType(SPELL_AURA_GHOST)))
            {
                #ifdef MOVEMENT_ANTICHEAT_DEBUG
                sLog.outError("MA-%s, water-walk exception. [%X]{SPELL_AURA_WATER_WALK=[%X]}",
                                plMover->GetName(), movementInfo.flags, plMover->HasAuraType(SPELL_AURA_WATER_WALK));
                #endif
                check_passed = false;
            }
            //Teleport To Plane checks
            if (movementInfo.z < 0.0001f && movementInfo.z > -0.0001f
                && ((movementInfo.flags & (MOVEMENTFLAG_SWIMMING | MOVEMENTFLAG_CAN_FLY | MOVEMENTFLAG_FLYING | MOVEMENTFLAG_FLYING2)) == 0)
                && !plMover->isGameMaster())
            {
                // Prevent using TeleportToPlan.
                Map *map = plMover->GetMap();
                if (map){
                    float plane_z = map->GetHeight(movementInfo.x, movementInfo.y, MAX_HEIGHT) - movementInfo.z;
                    plane_z = (plane_z < -500.0f) ? 0 : plane_z; //check holes in heigth map
                    if(plane_z > 0.1f || plane_z < -0.1f)
                    {
                        plMover->m_anti_TeleToPlane_Count++;
                        check_passed = false;
                        #ifdef MOVEMENT_ANTICHEAT_DEBUG
                        sLog.outDebug("MA-%s, teleport to plan exception. plane_z: %f ",
                                        plMover->GetName(), plane_z);
                        #endif
                        if (plMover->m_anti_TeleToPlane_Count > World::GetTeleportToPlaneAlarms())
                        {
                            sLog.outError("MA-%s, teleport to plan exception. Exception count: %d ",
                                            plMover->GetName(), plMover->m_anti_TeleToPlane_Count);
							sWorld.SendWorldText(3,"Bye Cheto! ",plMover->GetName());
                            plMover->GetSession()->KickPlayer();
                            return;
                        }
                    }
                }
            } else {
                if (plMover->m_anti_TeleToPlane_Count != 0)
                    plMover->m_anti_TeleToPlane_Count = 0;
            }
        } else if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT) {
            //antiwrap checks
            if (plMover->m_transport)
            {
                float trans_rad = movementInfo.t_x*movementInfo.t_x + movementInfo.t_y*movementInfo.t_y + movementInfo.t_z*movementInfo.t_z;
                if (trans_rad > 3600.0f){
                    check_passed = false;
                    #ifdef MOVEMENT_ANTICHEAT_DEBUG
                    sLog.outError("MA-%s, leave transport.", plMover->GetName());
                    #endif
                }
            } else {
                if (GameObjectData const* go_data = objmgr.GetGOData(plMover->m_anti_TransportGUID))
                {
                    float delta_gox = go_data->posX - movementInfo.x;
                    float delta_goy = go_data->posY - movementInfo.y;
                    float delta_goz = go_data->posZ - movementInfo.z;
                    int mapid = go_data->mapid;
                    #ifdef MOVEMENT_ANTICHEAT_DEBUG
                    sLog.outDebug("MA-%s, transport movement. GO xyzo: %f,%f,%f",
                                    plMover->GetName(), go_data->posX,go_data->posY,go_data->posZ);
                    #endif
                    if (plMover->GetMapId() != mapid){
                        check_passed = false;
                    } else if (mapid !=369) {
                        float delta_go = delta_gox*delta_gox + delta_goy*delta_goy;
                        if (delta_go > 3600.0f) {
                            check_passed = false;
                            #ifdef MOVEMENT_ANTICHEAT_DEBUG
                            sLog.outError("MA-%s, leave transport. GO xyzo: %f,%f,%f",
                                            plMover->GetName(), go_data->posX,go_data->posY,go_data->posZ);
                            #endif
                        }
                    }

                } else {
                    #ifdef MOVEMENT_ANTICHEAT_DEBUG
                    sLog.outDebug("MA-%s, undefined transport.", plMover->GetName());
                    #endif
                    check_passed = false;
                }
            }
            if (!check_passed){
                if (plMover->m_transport)
                    {
                        plMover->m_transport->RemovePassenger(plMover);
                        plMover->m_transport = NULL;
                    }
                    movementInfo.t_x = 0.0f;
                    movementInfo.t_y = 0.0f;
                    movementInfo.t_z = 0.0f;
                    movementInfo.t_o = 0.0f;
                    movementInfo.t_time = 0;
                    plMover->m_anti_TransportGUID = 0;
            }
        }
    }
    /* process position-change */
    if (check_passed)
    {
    recv_data.put<uint32>(6, getMSTime());                  // fix time, offset flags(4) + unk(2)
    WorldPacket data(recv_data.GetOpcode(), (mover->GetPackGUID().size()+recv_data.size()));
    data.append(mover->GetPackGUID());                      // use mover guid
    data.append(recv_data.contents(), recv_data.size());
    GetPlayer()->SendMessageToSet(&data, false);

    if(plMover)                                             // nothing is charmed, or player charmed
    {
        plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
        plMover->m_movementInfo = movementInfo;
        plMover->UpdateFallInformationIfNeed(movementInfo, recv_data.GetOpcode());

        if(plMover->isMovingOrTurning())
            plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);

        if(movementInfo.z < -500.0f)
        {
            if(plMover->InBattleGround()
                && plMover->GetBattleGround()
                && plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
            {
                // do nothing, the handle already did if returned true
            }
            else
            {
                // NOTE: this is actually called many times while falling
                // even after the player has been teleported away
                // TODO: discard movement packets after the player is rooted
                if(plMover->isAlive())
                {
                    plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
                    // pl can be alive if GM/etc
                    if(!plMover->isAlive())
                    {
                        // change the death state to CORPSE to prevent the death timer from
                        // starting in the next player update
                        plMover->KillPlayer();
                        plMover->BuildPlayerRepop();
                    }
                }

                // cancel the death timer here if started
                plMover->RepopAtGraveyard();
            }
        }
        //movement anticheat >>>
        if (plMover->m_anti_AlarmCount > 0){
            sLog.outError("MA-%s produce %d anticheat alarms",plMover->GetName(),plMover->m_anti_AlarmCount);
            plMover->m_anti_AlarmCount = 0;
        }
    // end movement anticheat
    }
    else                                                    // creature charmed
    {
        if(mover->IsInWorld())
        {
            mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
            if(((Creature*)mover)->isVehicle())
                ((Vehicle*)mover)->RellocatePassengers(mover->GetMap());
        }
    }
}
    else if (plMover)
    {
        plMover->m_anti_AlarmCount++;
        WorldPacket data;
        //GetPlayer()->m_movementInfo.SetMovementFlags(MovementFlags(MOVEMENTFLAG_NONE));
        plMover->m_movementInfo.SetMovementFlags(MovementFlags(MOVEMENTFLAG_NONE));
        plMover->BuildTeleportAckMsg(&data, plMover->GetPositionX(), plMover->GetPositionY(), plMover->GetPositionZ(), plMover->GetOrientation());
        plMover->GetSession()->SendPacket(&data);
        plMover->BuildHeartBeatMsg(&data);
        plMover->SendMessageToSet(&data, true);
    }
}