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); }
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 & recv_data ) { uint32 opcode = recv_data.GetOpcode(); sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode); if(GetPlayer()->GetDontMove()) 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 %u 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.flags & MOVEMENTFLAG_ONTRANSPORT) { // transports size limited // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) if( movementInfo.t_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 (!GetPlayer()->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::iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter) { if ((*iter)->GetGUID() == movementInfo.t_guid) { GetPlayer()->m_transport = (*iter); (*iter)->AddPassenger(GetPlayer()); break; } } } } else if (GetPlayer()->m_transport) // if we were on a transport, leave { GetPlayer()->m_transport->RemovePassenger(GetPlayer()); GetPlayer()->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 && !GetPlayer()->isInFlight()) { // calculate total z distance of the fall float z_diff = GetPlayer()->m_lastFallZ - movementInfo.z; sLog.outDebug("zDiff = %f", z_diff); Player *target = GetPlayer(); //Players with low fall distance, Feather Fall or physical immunity (charges used) are ignored // 14.57 can be calculated by resolving damageperc formular below to 0 if (z_diff >= 14.57f && !target->isDead() && !target->isGameMaster() && !target->HasAuraType(SPELL_AURA_HOVER) && !target->HasAuraType(SPELL_AURA_FEATHER_FALL) && !target->HasAuraType(SPELL_AURA_FLY) && !target->IsImmunedToDamage(SPELL_SCHOOL_MASK_NORMAL) ) { //Safe fall, fall height reduction int32 safe_fall = target->GetTotalAuraModifier(SPELL_AURA_SAFE_FALL); float damageperc = 0.018f*(z_diff-safe_fall)-0.2426f; if(damageperc >0 ) { uint32 damage = (uint32)(damageperc * target->GetMaxHealth()*sWorld.getRate(RATE_DAMAGE_FALL)); float height = movementInfo.z; target->UpdateGroundPositionZ(movementInfo.x,movementInfo.y,height); if (damage > 0) { //Prevent fall damage from being more than the player maximum health if (damage > target->GetMaxHealth()) damage = target->GetMaxHealth(); // Gust of Wind if (target->GetDummyAura(43621)) damage = target->GetMaxHealth()/2; target->EnvironmentalDamage(target->GetGUID(), DAMAGE_FALL, damage); // recheck alive, might have died of EnvironmentalDamage if (target->isAlive()) target->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_FALL_WITHOUT_DYING, uint32(z_diff*100)); } //Z given by moveinfo, LastZ, FallTime, WaterZ, MapZ, Damage, Safefall reduction DEBUG_LOG("FALLDAMAGE z=%f sz=%f pZ=%f FallTime=%d mZ=%f damage=%d SF=%d" , movementInfo.z, height, target->GetPositionZ(), movementInfo.fallTime, height, damage, safe_fall); } } } if(((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != GetPlayer()->IsInWater()) { // now client not include swimming flag in case jumping under water GetPlayer()->SetInWater( !GetPlayer()->IsInWater() || GetPlayer()->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) ); } /*----------------------*/ /* process position-change */ Unit *mover = _player->m_mover; 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(_player->m_mover->GetPackGUID()); // use mover guid data.append(recv_data.contents(), recv_data.size()); GetPlayer()->SendMessageToSet(&data, false); if(!_player->GetCharmGUID()) // nothing is charmed { _player->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); _player->m_movementInfo = movementInfo; _player->SetUnitMovementFlags(movementInfo.flags); } else { if(mover->GetTypeId() != TYPEID_PLAYER) // unit, creature, pet, vehicle... { if(Map *map = mover->GetMap()) map->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); mover->SetUnitMovementFlags(movementInfo.flags); } else // player { ((Player*)mover)->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); ((Player*)mover)->m_movementInfo = movementInfo; ((Player*)mover)->SetUnitMovementFlags(movementInfo.flags); } } if (GetPlayer()->m_lastFallTime >= movementInfo.fallTime || GetPlayer()->m_lastFallZ <=movementInfo.z || recv_data.GetOpcode() == MSG_MOVE_FALL_LAND) GetPlayer()->SetFallInformation(movementInfo.fallTime, movementInfo.z); if(GetPlayer()->isMovingOrTurning()) GetPlayer()->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH); if(movementInfo.z < -500.0f) { if(GetPlayer()->InBattleGround() && GetPlayer()->GetBattleGround() && GetPlayer()->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(GetPlayer()->isAlive()) { GetPlayer()->EnvironmentalDamage(GetPlayer()->GetGUID(),DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth()); // change the death state to CORPSE to prevent the death timer from // starting in the next player update GetPlayer()->KillPlayer(); GetPlayer()->BuildPlayerRepop(); } // cancel the death timer here if started GetPlayer()->RepopAtGraveyard(); } } }
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 %u 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.flags & MOVEMENTFLAG_ONTRANSPORT) { // transports size limited // (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped) if( movementInfo.t_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.flags & MOVEMENTFLAG_SWIMMING) != 0) != plMover->IsInWater()) { // now client not include swimming flag in case jumping under water plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.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->SetUnitMovementFlags(movementInfo.flags); 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(Map *map = mover->GetMap()) map->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o); mover->SetUnitMovementFlags(movementInfo.flags); } }
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); /* process position-change */ HandleMoverRelocation(movementInfo); if (plMover) plMover->UpdateFallInformationIfNeed(movementInfo, opcode); /* process position-change */ if (!plMover) return; movementInfo.UpdateTime(getMSTime()); if(plMover) // nothing is charmed, or player charmed { WorldPacket data(opcode, recv_data.size()); data << mover->GetPackGUID(); // write guid movementInfo.Write(data); // write data mover->SendMessageToSetExcept(&data, _player); 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) mover->UpdateWalkMode(mover, 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(); } } } 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); 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); } }
bool ChatHandler::HandleSendOpcodeCommand(const char* args) { Unit *unit = getSelectedUnit(); if (!unit || (unit->GetTypeId() != TYPEID_PLAYER)) unit = m_session->GetPlayer(); FILE *file = fopen("opcode.txt", "r"); if(!file) return false; uint32 type; uint32 val1; uint64 val2; float val3; char val4[101]; uint32 opcode = 0; fscanf(file, "%u", &opcode); if(!opcode) { fclose(file); return false; } WorldPacket data(opcode, 0); while(fscanf(file, "%u", &type) != EOF) { switch(type) { case 0: // uint8 fscanf(file, "%u", &val1); data << uint8(val1); break; case 1: // uint16 fscanf(file, "%u", &val1); data << uint16(val1); break; case 2: // uint32 fscanf(file, "%u", &val1); data << uint32(val1); break; case 3: // uint64 fscanf(file, I64FMTD, &val2); data << uint64(val2); break; case 4: // float fscanf(file, "%f", &val3); data << float(val3); break; case 5: // string fscanf(file, "%s", val4, 101); data << val4; break; case 6: // packed guid data.append(unit->GetPackGUID()); break; default: fclose(file); return false; } } fclose(file); sLog.outDebug("Sending opcode %u", data.GetOpcode()); data.hexlike(); ((Player*)unit)->GetSession()->SendPacket(&data); PSendSysMessage(LANG_COMMAND_OPCODESENT, data.GetOpcode(), unit->GetName()); return true; }