bool WorldSession::VerifyMovementInfo(MovementInfo const& movementInfo, ObjectGuid const& guid) const
{
    // ignore wrong guid (player attempt cheating own session for not own guid possible...)
    if (guid != _player->GetMover()->GetObjectGuid())
        return false;

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

    if (movementInfo.GetTransportGuid())
    {
        // 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)
            return false;

        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))
        {
            return false;
        }
    }

    return true;
}
Example #2
0
void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    //movementInfo.UpdateTime(WorldTimer::getMSTime());

    Unit *mover = _player->GetMover();

    if (Player *plMover = mover->ToPlayer())
    {
        if (sWorld.getConfig(CONFIG_ENABLE_PASSIVE_ANTICHEAT) && !plMover->hasUnitState(UNIT_STAT_LOST_CONTROL | UNIT_STAT_NOT_MOVE) && !plMover->GetSession()->HasPermissions(PERM_GMT) && plMover->m_AC_timer == 0)
            sWorld.m_ac.execute(new ACRequest(plMover, plMover->m_movementInfo, movementInfo));

        if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
        {
            if (!plMover->GetTransport())
            {
                // 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->GetTransport())               // if we were on a transport, leave
        {
            plMover->GetTransport()->RemovePassenger(plMover);
            plMover->SetTransport(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()->IsInWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z));
        }
    }

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

    if (mover->GetObjectGuid().IsPlayer())
        mover->ToPlayer()->HandleFallUnderMap(movementInfo.GetPos()->z);
}
Example #3
0
bool WorldSession::VerifyMovementInfo(MovementInfo const& movementInfo, ObjectGuid const& guid) const
{
    // ignore wrong guid (player attempt cheating own session for not own guid possible...)
    if (guid != _player->GetMover()->GetObjectGuid())
        return false;

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

    if (movementInfo.GetTransportGuid())
    {
        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) )
        {
            return false;
        }
    }

    return true;
}
Example #4
0
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
    uint32 opcode = recv_data.GetOpcode();
    DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", opCodes.LookupOpcode(opcode)->name, opcode, opcode);

    Unit *mover = _player;                                  // for better code compatibiltiy until mover not backported from master
    Player *plMover = _player;

    // 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;
    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))
    {
        // 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())
                {
                    // unmount before boarding
                    plMover->RemoveSpellsCausingAura(SPELL_AURA_MOUNTED);

                    GetPlayer()->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) );
    }

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

    /* 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);
    }
}
Example #5
0
void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    movementInfo.UpdateTime(getMSTime());

    Unit *mover = _player->GetMover();

    if (Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL)
    {
        if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
        {
            if (!plMover->GetTransport())
            {
                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)
                {
                    Transport* transport = *iter;

                    if (transport->GetObjectGuid() == movementInfo.GetTransportGuid())
                    {
                    plMover->SetTransport(transport);
                    transport->AddPassenger(plMover);

                    if (plMover->GetVehicleKit())
                        plMover->GetVehicleKit()->RemoveAllPassengers();

                        break;
                    }
                }
            }
        }
        else if (plMover->GetTransport())               // if we were on a transport, leave
        {
            plMover->GetTransport()->RemovePassenger(plMover);
            plMover->SetTransport(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) );
        }

        if(plMover->GetTerrain()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f))
        {
            plMover->m_anti_BeginFallZ=INVALID_HEIGHT;
        }

        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();
            }
        }
    }
}
Example #6
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 (!Diamond::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))
    {
        // 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 ( !Diamond::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);

                    if (plMover->GetVehicleKit())
                        plMover->GetVehicleKit()->RemoveAllPassengers();

                    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->IsTaxiFlying())
        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;
        }
    }

    // ---- 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
                if (!GetPlayer()->HasAura(55164) || !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL))
                    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) &&
                    !GetPlayer()->HasAuraType(SPELL_AURA_FEATHER_FALL))
            {
                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);

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

    if (plMover)                                             // nothing is charmed, or player charmed
    {
        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, 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();
            }
        }
    }
}
void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
    if (m_clientTimeDelay == 0)
        m_clientTimeDelay = WorldTimer::getMSTime() - movementInfo.GetTime();
    movementInfo.UpdateTime(movementInfo.GetTime() + m_clientTimeDelay + MOVEMENT_PACKET_TIME_DELAY);

    Unit* mover = _player->GetMover();

    if (Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : nullptr)
    {
        if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
        {
            if (!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->m_transport)               // if we were on a transport, leave
        {
            plMover->m_transport->RemovePassenger(plMover);
            plMover->m_transport = nullptr;
            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->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);
    }
}
Example #8
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);
    }
}