void WorldSession::HandleChangeSeatsOnControlledVehicle(WorldPacket &recvData)
{
TC_LOG_DEBUG(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE");
Unit* vehicle_base = GetPlayer()->GetVehicleBase();
if (!vehicle_base)
{
recvData.rfinish(); // prevent warnings spam
return;
}
VehicleSeatEntry const* seat = GetPlayer()->GetVehicle()->GetSeatForPassenger(GetPlayer());
if (!seat->CanSwitchFromSeat())
{
recvData.rfinish(); // prevent warnings spam
TC_LOG_ERROR(LOG_FILTER_NETWORKIO, "HandleChangeSeatsOnControlledVehicle, Opcode: %u, Player %u tried to switch seats but current seatflags %u don't permit that.",
recvData.GetOpcode(), GetPlayer()->GetGUIDLow(), seat->m_flags);
return;
}
switch (recvData.GetOpcode())
{
case CMSG_REQUEST_VEHICLE_PREV_SEAT:
GetPlayer()->ChangeSeat(-1, false);
break;
case CMSG_REQUEST_VEHICLE_NEXT_SEAT:
GetPlayer()->ChangeSeat(-1, true);
break;
case CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE:
{
uint64 guid; // current vehicle guid
recvData.readPackGUID(guid);
MovementInfo movementInfo;
ReadMovementInfo(recvData, &movementInfo);
vehicle_base->m_movementInfo = movementInfo;
uint64 accessory; // accessory guid
recvData.readPackGUID(accessory);
int8 seatId;
recvData >> seatId;
if (vehicle_base->GetGUID() != guid)
return;
if (!accessory)
GetPlayer()->ChangeSeat(-1, seatId > 0); // prev/next
else if (Unit* vehUnit = Unit::GetUnit(*GetPlayer(), accessory))
{
if (Vehicle* vehicle = vehUnit->GetVehicleKit())
if (vehicle->HasEmptySeat(seatId))
vehUnit->HandleSpellClick(GetPlayer(), seatId);
}
break;
}
case CMSG_REQUEST_VEHICLE_SWITCH_SEAT:
{
uint64 guid; // current vehicle guid
recvData.readPackGUID(guid);
int8 seatId;
recvData >> seatId;
if (vehicle_base->GetGUID() == guid)
GetPlayer()->ChangeSeat(seatId);
else if (Unit* vehUnit = Unit::GetUnit(*GetPlayer(), guid))
if (Vehicle* vehicle = vehUnit->GetVehicleKit())
if (vehicle->HasEmptySeat(seatId))
vehUnit->HandleSpellClick(GetPlayer(), seatId);
break;
}
default:
break;
}
}
void WorldSession::HandleMoveSplineDoneOpcode(WorldPacket& recv_data)
{
sLog.outDebug("WORLD: Received CMSG_MOVE_SPLINE_DONE");
uint64 guid; // used only for proper packet read
if (!recv_data.readPackGUID(guid))
return;
// movement anticheat code
const Unit *mover = _player->m_mover;
const Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
if (!plMover)
return;
// end movement anticheat
MovementInfo movementInfo; // used only for proper packet read
ReadMovementInfo(recv_data, &movementInfo);
recv_data.read_skip<uint32>(); // unk
// in taxi flight packet received in 2 case:
// 1) end taxi path in far (multi-node) flight
// 2) switch from one map to other in case multim-map taxi path
// we need process only (1)
uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
if (!curDest)
{
// movement anticheat code
GetPlayer()->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
GetPlayer()->m_movementInfo = movementInfo;
GetPlayer()->SetUnitMovementFlags(movementInfo.flags);
// calc time deltas
int32 cClientTimeDelta = 0;
if (GetPlayer()->m_anti_LastClientTime != 0)
{
cClientTimeDelta = movementInfo.time - GetPlayer()->m_anti_LastClientTime;
GetPlayer()->m_anti_DeltaClientTime += cClientTimeDelta;
GetPlayer()->m_anti_LastClientTime = movementInfo.time;
}
else
GetPlayer()->m_anti_LastClientTime = movementInfo.time;
const uint64 cServerTime = getMSTime();
uint32 cServerTimeDelta = 0;
if (GetPlayer()->m_anti_LastServerTime != 0)
{
cServerTimeDelta = cServerTime - GetPlayer()->m_anti_LastServerTime;
GetPlayer()->m_anti_DeltaServerTime += cServerTimeDelta;
GetPlayer()->m_anti_LastServerTime = cServerTime;
}
else
GetPlayer()->m_anti_LastServerTime = cServerTime;
// end movement anticheat
return;
}
// movment anticheat
const uint32 curloc =
objmgr.GetNearestTaxiNode(movementInfo.x,movementInfo.y,movementInfo.z,GetPlayer()->GetMapId(),GetPlayer()->GetTeam(), curDest);
// end movement anticheat
// sLog.outBasic("AC2-%s > | xyzo: %f,%f,%fo(%f) flags[%X] | curloc: %d | destloc: %d ",
// GetPlayer()->GetName(), movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o,
// movementInfo.flags, curloc, curDest);
TaxiNodesEntry const* curDestNode = sTaxiNodesStore.LookupEntry(curDest);
if (curDestNode && curDestNode->map_id == GetPlayer()->GetMapId())
while (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
GetPlayer()->GetMotionMaster()->MovementExpired(false);
// movement anticheat code
GetPlayer()->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
GetPlayer()->m_movementInfo = movementInfo;
GetPlayer()->SetUnitMovementFlags(movementInfo.flags);
// calc time deltas
int32 cClientTimeDelta = 0;
if (GetPlayer()->m_anti_LastClientTime != 0)
{
cClientTimeDelta = movementInfo.time - GetPlayer()->m_anti_LastClientTime;
GetPlayer()->m_anti_DeltaClientTime += cClientTimeDelta;
GetPlayer()->m_anti_LastClientTime = movementInfo.time;
}
else
GetPlayer()->m_anti_LastClientTime = movementInfo.time;
const uint64 cServerTime = getMSTime();
uint32 cServerTimeDelta = 0;
if (GetPlayer()->m_anti_LastServerTime != 0)
{
cServerTimeDelta = cServerTime - GetPlayer()->m_anti_LastServerTime;
GetPlayer()->m_anti_DeltaServerTime += cServerTimeDelta;
GetPlayer()->m_anti_LastServerTime = cServerTime;
}
else
GetPlayer()->m_anti_LastServerTime = cServerTime;
// end movement anticheat
// far teleport case
if (curDestNode && curDestNode->map_id != GetPlayer()->GetMapId())
{
if (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
{
// short preparations to continue flight
FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
flight->SetCurrentNodeAfterTeleport();
Path::PathNode const& node = flight->GetPath()[flight->GetCurrentNode()];
flight->SkipCurrentNode();
GetPlayer()->TeleportTo(curDestNode->map_id,node.x,node.y,node.z,GetPlayer()->GetOrientation());
}
return;
}
// movement anticheat fix - disallow unmount from taxi
if (curloc != curDest)
{
// current source node for next destination
uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();
uint16 MountId = objmgr.GetTaxiMountDisplayId(sourcenode, GetPlayer()->GetTeam());
uint32 path, cost;
objmgr.GetTaxiPath(sourcenode, curDest, path, cost);
if (path && MountId)
SendDoFlight(MountId, path, 1); // skip start fly node
else
GetPlayer()->m_taxi.ClearTaxiDestinations(); // clear problematic path and next
return;
}
// end movement anticheat
uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
if (destinationnode > 0) // if more destinations to go
{
// current source node for next destination
uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();
// Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
if (GetPlayer()->isTaxiCheater())
{
if (GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
{
WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
_player->GetSession()->SendPacket(&data);
}
}
sLog.outDebug("WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode);
uint32 mountDisplayId = objmgr.GetTaxiMountDisplayId(sourcenode, GetPlayer()->GetTeam());
uint32 path, cost;
objmgr.GetTaxiPath(sourcenode, destinationnode, path, cost);
if (path && mountDisplayId)
SendDoFlight(mountDisplayId, path, 1); // skip start fly node
else
GetPlayer()->m_taxi.ClearTaxiDestinations(); // clear problematic path and next
return;
}
GetPlayer()->CleanupAfterTaxiFlight();
GetPlayer()->SetFallInformation(0, GetPlayer()->GetPositionZ());
if (GetPlayer()->pvpInfo.inHostileArea)
GetPlayer()->CastSpell(GetPlayer(), 2479, true);
}
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()){
// movement anticheat
plMover->m_anti_JustTeleported = 1;
// end movement anticheat
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 > 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) );
}
/*----------------------*/
//---- 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())
{
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);
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);
}
} else if (plMover) {
plMover->m_anti_AlarmCount++;
WorldPacket data;
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);
}
}
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);
}
}
void WorldSession::HandleChangeSeatsOnControlledVehicle(WorldPacket &recv_data)
{
sLog->outDebug("WORLD: Recvd CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE");
recv_data.hexlike();
Unit* vehicle_base = GetPlayer()->GetVehicleBase();
if (!vehicle_base)
return;
VehicleSeatEntry const* seat = GetPlayer()->GetVehicle()->GetSeatForPassenger(GetPlayer());
if (!seat->CanSwitchFromSeat())
{
sLog->outError("HandleChangeSeatsOnControlledVehicle, Opcode: %u, Player %u tried to switch seats but current seatflags %u don't permit that.",
recv_data.GetOpcode(), GetPlayer()->GetGUIDLow(), seat->m_flags);
return;
}
switch (recv_data.GetOpcode())
{
case CMSG_REQUEST_VEHICLE_PREV_SEAT:
GetPlayer()->ChangeSeat(-1, false);
break;
case CMSG_REQUEST_VEHICLE_NEXT_SEAT:
GetPlayer()->ChangeSeat(-1, true);
break;
case CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE:
{
uint64 guid; // current vehicle guid
recv_data.readPackGUID(guid);
ReadMovementInfo(recv_data, &vehicle_base->m_movementInfo);
uint64 accessory; // accessory guid
recv_data.readPackGUID(accessory);
int8 seatId;
recv_data >> seatId;
if (vehicle_base->GetGUID() != guid)
return;
if (!accessory)
GetPlayer()->ChangeSeat(-1, seatId > 0); // prev/next
else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), accessory))
{
if (Vehicle *vehicle = vehUnit->GetVehicleKit())
if (vehicle->HasEmptySeat(seatId))
GetPlayer()->EnterVehicle(vehicle, seatId);
}
}
break;
case CMSG_REQUEST_VEHICLE_SWITCH_SEAT:
{
uint64 guid; // current vehicle guid
recv_data.readPackGUID(guid);
int8 seatId;
recv_data >> seatId;
if (vehicle_base->GetGUID() == guid)
GetPlayer()->ChangeSeat(seatId);
else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), guid))
if (Vehicle *vehicle = vehUnit->GetVehicleKit())
if (vehicle->HasEmptySeat(seatId))
GetPlayer()->EnterVehicle(vehicle, seatId);
}
break;
default:
break;
}
}
void WorldSession::HandleMoveSplineDoneOpcode(WorldPacket& recv_data)
{
sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Received CMSG_MOVE_SPLINE_DONE");
uint64 guid; // used only for proper packet read
recv_data.readPackGUID(guid);
MovementInfo movementInfo; // used only for proper packet read
ReadMovementInfo(recv_data, &movementInfo);
recv_data.read_skip<uint32>(); // unk
// in taxi flight packet received in 2 case:
// 1) end taxi path in far (multi-node) flight
// 2) switch from one map to other in case multim-map taxi path
// we need process only (1)
uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
if (!curDest)
return;
TaxiNodesEntry const* curDestNode = sTaxiNodesStore.LookupEntry(curDest);
// far teleport case
if (curDestNode && curDestNode->map_id != GetPlayer()->GetMapId())
{
if (GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType() == FLIGHT_MOTION_TYPE)
{
// short preparations to continue flight
FlightPathMovementGenerator* flight = (FlightPathMovementGenerator*)(GetPlayer()->GetMotionMaster()->top());
flight->SetCurrentNodeAfterTeleport();
TaxiPathNodeEntry const& node = flight->GetPath()[flight->GetCurrentNode()];
flight->SkipCurrentNode();
GetPlayer()->TeleportTo(curDestNode->map_id,node.x,node.y,node.z,GetPlayer()->GetOrientation());
}
return;
}
uint32 destinationnode = GetPlayer()->m_taxi.NextTaxiDestination();
if (destinationnode > 0) // if more destinations to go
{
// current source node for next destination
uint32 sourcenode = GetPlayer()->m_taxi.GetTaxiSource();
// Add to taximask middle hubs in taxicheat mode (to prevent having player with disabled taxicheat and not having back flight path)
if (GetPlayer()->isTaxiCheater())
{
if (GetPlayer()->m_taxi.SetTaximaskNode(sourcenode))
{
WorldPacket data(SMSG_NEW_TAXI_PATH, 0);
_player->GetSession()->SendPacket(&data);
}
}
sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode);
uint32 mountDisplayId = sObjectMgr->GetTaxiMountDisplayId(sourcenode, GetPlayer()->GetTeam());
uint32 path, cost;
sObjectMgr->GetTaxiPath(sourcenode, destinationnode, path, cost);
if (path && mountDisplayId)
SendDoFlight(mountDisplayId, path, 1); // skip start fly node
else
GetPlayer()->m_taxi.ClearTaxiDestinations(); // clear problematic path and next
return;
}
else
GetPlayer()->m_taxi.ClearTaxiDestinations(); // not destinations, clear source node
GetPlayer()->CleanupAfterTaxiFlight();
GetPlayer()->SetFallInformation(0, GetPlayer()->GetPositionZ());
if (GetPlayer()->pvpInfo.inHostileArea)
GetPlayer()->CastSpell(GetPlayer(), 2479, true);
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count, unk_flags;
recvPacket >> cast_count;
recvPacket >> spellId;
recvPacket >> unk_flags; // flags (if 0x02 - some additional data are received)
// ignore for remote control state (for player case)
Unit* mover = _player->m_mover;
if(mover != _player && mover->GetTypeId() == TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
sLog.outDebug("WORLD: got cast spell packet, spellId - %u, cast_count: %u, unk_flags %u, data length = %i",
spellId, cast_count, unk_flags, (uint32)recvPacket.size());
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellId );
if(!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
if(mover->GetTypeId() == TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Player*)mover)->HasActiveSpell (spellId) || IsPassiveSpell(spellId) )
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if ((mover->GetTypeId() == TYPEID_UNIT && !((Creature*)mover)->HasSpell(spellId)) || IsPassiveSpell(spellId))
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// Client is resending autoshot cast opcode when other spell is casted during shoot rotation
// Skip it to prevent "interrupt" message
if (IsAutoRepeatRangedSpell(spellInfo) && _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)
&& _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)->m_spellInfo == spellInfo)
return;
// can't use our own spells when we're in possession of another unit,
if(_player->isPossessing())
return;
// client provided targets
SpellCastTargets targets;
if(!targets.read(&recvPacket,mover))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
// some spell cast packet including more data (for projectiles?)
if (unk_flags & 0x02)
{
//recvPacket.read_skip<float>(); // unk1, coords?
//recvPacket.read_skip<float>(); // unk1, coords?
uint8 unk1;
recvPacket >> unk1; // >> 1 or 0
if(unk1)
{
recvPacket.read_skip<uint32>(); // >> MSG_MOVE_STOP
uint64 guid; // guid - unused
if(!recvPacket.readPackGUID(guid))
return;
MovementInfo movementInfo;
ReadMovementInfo(recvPacket, &movementInfo);
}
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count, unk_flags;
recvPacket >> cast_count;
recvPacket >> spellId;
recvPacket >> unk_flags; // flags (if 0x02 - some additional data are received)
// ignore for remote control state (for player case)
Unit* mover = _player->m_mover;
if(mover != _player && mover->GetTypeId()==TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
sLog.outDebug("WORLD: got cast spell packet, spellId - %u, cast_count: %u, unk_flags %u, data length = %i",
spellId, cast_count, unk_flags, (uint32)recvPacket.size());
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellId );
if(!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
if(mover->GetTypeId()==TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Player*)mover)->HasActiveSpell (spellId) || IsPassiveSpell(spellId) )
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Creature*)mover)->HasSpell(spellId) || IsPassiveSpell(spellId) )
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// Client is resending autoshot cast opcode when other spell is casted during shoot rotation
// Skip it to prevent "interrupt" message
if (IsAutoRepeatRangedSpell(spellInfo) && _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)
&& _player->GetCurrentSpell(CURRENT_AUTOREPEAT_SPELL)->m_spellInfo == spellInfo)
return;
// can't use our own spells when we're in possession of another unit,
if(_player->isPossessing())
return;
// client provided targets
SpellCastTargets targets;
if(!targets.read(&recvPacket,mover))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
// some spell cast packet including more data (for projectiles?)
if (unk_flags & 0x02)
{
//recvPacket.read_skip<float>(); // unk1, coords?
//recvPacket.read_skip<float>(); // unk1, coords?
recvPacket.read_skip<uint8>(); // >> 1
recvPacket.read_skip<uint32>(); // >> MSG_MOVE_STOP
MovementInfo movementInfo;
ReadMovementInfo(recvPacket, &movementInfo);
}
// auto-selection buff level base at target level (in spellInfo)
if(targets.getUnitTarget())
{
SpellEntry const *actualSpellInfo = spellmgr.SelectAuraRankForPlayerLevel(spellInfo,targets.getUnitTarget()->getLevel());
// if rank not found then function return NULL but in explicit cast case original spell can be casted and later failed with appropriate error message
if(actualSpellInfo)
spellInfo = actualSpellInfo;
}
Spell *spell = new Spell(mover, spellInfo, false);
spell->m_cast_count = cast_count; // set count of casts
spell->prepare(&targets);
}
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
// prevent tampered movement data
if (guid != mover->GetGUID())
return;
if (!movementInfo.pos.IsPositionValid())
{
recvData.rfinish(); // prevent warnings spam
return;
}
// Tempfix for Drink Exploit (Thx jetwanx)
if (mover->IsSitState() && movementInfo.GetMovementFlags() & (MOVEMENTFLAG_MASK_MOVING | MOVEMENTFLAG_MASK_TURNING))
mover->SetStandState(UNIT_STAND_STATE_STAND);
/* 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.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())
{
// elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just dismount if the guid can be found in the transport list
for (MapManager::TransportSet::const_iterator iter = sMapMgr->m_Transports.begin(); iter != sMapMgr->m_Transports.end(); ++iter)
{
if ((*iter)->GetGUID() == movementInfo.transport.guid)
{
plrMover->m_transport = *iter;
(*iter)->AddPassenger(plrMover);
break;
}
}
}
else if (plrMover->GetTransport()->GetGUID() != movementInfo.transport.guid)
{
bool foundNewTransport = false;
plrMover->m_transport->RemovePassenger(plrMover);
for (MapManager::TransportSet::const_iterator iter = sMapMgr->m_Transports.begin(); iter != sMapMgr->m_Transports.end(); ++iter)
{
if ((*iter)->GetGUID() == movementInfo.transport.guid)
{
foundNewTransport = true;
plrMover->m_transport = *iter;
(*iter)->AddPassenger(plrMover);
break;
}
}
if (!foundNewTransport)
{
plrMover->m_transport = NULL;
movementInfo.transport.Reset();
}
}
}
if (!mover->GetTransport() && !mover->GetVehicle())
{
GameObject* go = mover->GetMap()->GetGameObject(movementInfo.transport.guid);
if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
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();
}
// 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()));
}
/*----------------------*/
/* process position-change */
WorldPacket data(opcode, recvData.size());
movementInfo.time = getMSTime();
movementInfo.guid = mover->GetGUID();
WriteMovementInfo(&data, &movementInfo);
mover->SendMessageToSet(&data, _player);
mover->m_movementInfo = movementInfo;
// this is almost never true (not sure why it is sometimes, but it is), normally use mover->IsVehicle()
if (mover->GetVehicle())
{
mover->SetOrientation(movementInfo.pos.GetOrientation());
return;
}
mover->UpdatePosition(movementInfo.pos);
if (plrMover) // nothing is charmed, or player charmed
{
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
case 562: underMapValueZ = -10.0f; break; // Blade Edge Arena
case 559: underMapValueZ = -18.0f; break; // Nagrand arena
case 572: underMapValueZ = 28.0f; break; // Lordearon
case 571: underMapValueZ = -400.0f; break; // Northrend
default: underMapValueZ = -500.0f; break;
}
if (movementInfo.pos.GetPositionZ() < underMapValueZ)
{
if (underMapValueZ != -500) // For Custom Arena Zone
{
// Hackfix for ArenaUnderZ -> Teleport WHY TRINITY BREAK IT!
if (plrMover->GetMapId() == 572) // Lordaeron Arena
plrMover->TeleportTo(572, 1286.14868f, 1667.32f, 41.0f, 1.6f); //
if (plrMover->GetMapId() == 559) // Nagrand Arena
plrMover->TeleportTo(559, 4052.79868f, 2926.32f, 16.0f, 1.6f);
if (plrMover->GetMapId() == 562) // Blade Edge arena 6237.797363 261.146088 2 0.7
plrMover->TeleportTo(562, 6237.79768f, 261.142f, 2.0f, 4.0f);
if (plrMover->GetMapId() == 617) // Dalaran Arena 1292.31384 790.40667 8
plrMover->TeleportTo(617, 1292.34868f, 790.40f, 8.5f, 1.6f);
}
else 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->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();
}
}
}
}
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
uint16 opcode = recv_data.GetOpcode();
//sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
Unit *mover = _player->m_mover;
assert(mover != NULL); // there must always be a mover
Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
MovementInfo movementInfo;
ReadMovementInfo(recv_data, &movementInfo);
/*----------------*/
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();
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
if (!Trinity::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* handle special cases */
if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT)
{
// transports size limited
// (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if (movementInfo.t_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50)
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
if (!Trinity::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->GetTransport())
{
// elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
for (MapManager::TransportSet::const_iterator iter = 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;
}
}
}
if (!mover->GetTransport() && !mover->GetVehicle())
movementInfo.flags &= ~MOVEMENTFLAG_ONTRANSPORT;
}
else if (plMover && plMover->GetTransport()) // if we were on a transport, leave
{
plMover->m_transport->RemovePassenger(plMover);
plMover->m_transport = NULL;
movementInfo.t_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);
mover->m_movementInfo = movementInfo;
// this is almost never true (not sure why it is sometimes, but it is), normally use mover->IsVehicle()
if (mover->GetVehicle())
{
mover->SetOrientation(movementInfo.o);
return;
}
if (plMover) // nothing is charmed, or player charmed
{
plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
plMover->UpdateFallInformationIfNeed(movementInfo, recv_data.GetOpcode());
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
{
mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
/*if(mover->canFly())
{
bool flying = mover->IsFlying();
if(flying != ((mover->GetByteValue(UNIT_FIELD_BYTES_1, 3) & 0x02) ? true : false))
mover->SetFlying(flying);
}*/
}
//sLog.outString("Receive Movement Packet %s:", opcodeTable[recv_data.GetOpcode()]);
//mover->OutMovementInfo();
}
void WorldSession::HandleForceSpeedChangeAck(WorldPacket &recvData)
{
uint32 opcode = recvData.GetOpcode();
#if defined(ENABLE_EXTRAS) && defined(ENABLE_EXTRA_LOGS)
sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
#endif
/* extract packet */
uint64 guid;
uint32 unk1;
float newspeed;
recvData.readPackGUID(guid);
// pussywizard: special check, only player mover allowed here
if (guid != _player->m_mover->GetGUID() || guid != _player->GetGUID())
{
recvData.rfinish(); // prevent warnings spam
return;
}
// continue parse packet
recvData >> unk1; // counter or moveEvent
MovementInfo movementInfo;
movementInfo.guid = guid;
ReadMovementInfo(recvData, &movementInfo);
recvData >> newspeed;
/*----------------*/
// client ACK send one packet for mounted/run case and need skip all except last from its
// in other cases anti-cheat check can be fail in false case
UnitMoveType move_type;
UnitMoveType force_move_type;
static char const* move_type_name[MAX_MOVE_TYPE] = { "Walk", "Run", "RunBack", "Swim", "SwimBack", "TurnRate", "Flight", "FlightBack", "PitchRate" };
switch (opcode)
{
case CMSG_FORCE_WALK_SPEED_CHANGE_ACK: move_type = MOVE_WALK; force_move_type = MOVE_WALK; break;
case CMSG_FORCE_RUN_SPEED_CHANGE_ACK: move_type = MOVE_RUN; force_move_type = MOVE_RUN; break;
case CMSG_FORCE_RUN_BACK_SPEED_CHANGE_ACK: move_type = MOVE_RUN_BACK; force_move_type = MOVE_RUN_BACK; break;
case CMSG_FORCE_SWIM_SPEED_CHANGE_ACK: move_type = MOVE_SWIM; force_move_type = MOVE_SWIM; break;
case CMSG_FORCE_SWIM_BACK_SPEED_CHANGE_ACK: move_type = MOVE_SWIM_BACK; force_move_type = MOVE_SWIM_BACK; break;
case CMSG_FORCE_TURN_RATE_CHANGE_ACK: move_type = MOVE_TURN_RATE; force_move_type = MOVE_TURN_RATE; break;
case CMSG_FORCE_FLIGHT_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT; force_move_type = MOVE_FLIGHT; break;
case CMSG_FORCE_FLIGHT_BACK_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT_BACK; force_move_type = MOVE_FLIGHT_BACK; break;
case CMSG_FORCE_PITCH_RATE_CHANGE_ACK: move_type = MOVE_PITCH_RATE; force_move_type = MOVE_PITCH_RATE; break;
default:
sLog->outError("WorldSession::HandleForceSpeedChangeAck: Unknown move type opcode: %u", opcode);
return;
}
// skip all forced speed changes except last and unexpected
// in run/mounted case used one ACK and it must be skipped.m_forced_speed_changes[MOVE_RUN} store both.
if (_player->m_forced_speed_changes[force_move_type] > 0)
{
--_player->m_forced_speed_changes[force_move_type];
if (_player->m_forced_speed_changes[force_move_type] > 0)
return;
}
if (!_player->GetTransport() && fabs(_player->GetSpeed(move_type) - newspeed) > 0.01f)
{
if (_player->GetSpeed(move_type) > newspeed) // must be greater - just correct
{
sLog->outError("%sSpeedChange player %s is NOT correct (must be %f instead %f), force set to correct value",
move_type_name[move_type], _player->GetName().c_str(), _player->GetSpeed(move_type), newspeed);
_player->SetSpeed(move_type, _player->GetSpeedRate(move_type), true);
}
else // must be lesser - cheating
{
sLog->outBasic("Player %s from account id %u kicked for incorrect speed (must be %f instead %f)",
_player->GetName().c_str(), GetAccountId(), _player->GetSpeed(move_type), newspeed);
KickPlayer();
}
}
}
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
}
}
}
void WorldSession::HandleChangeVehicleSeat( WorldPacket &recv_data ){
if( _player->GetCurrentVehicle() == NULL )
return;
switch( recv_data.GetOpcode() ){
case CMSG_REQUEST_VEHICLE_PREV_SEAT:
_player->GetCurrentVehicle()->MovePassengerToPrevSeat( _player );
break;
case CMSG_REQUEST_VEHICLE_NEXT_SEAT:
_player->GetCurrentVehicle()->MovePassengerToNextSeat( _player );
break;
// Used when switching from a normal seat to a controlling seat, or to an accessory
case CMSG_REQUEST_VEHICLE_SWITCH_SEAT:{
WoWGuid vehicle;
uint8 seat = 0;
recv_data >> vehicle;
recv_data >> seat;
if( vehicle.GetOldGuid() == _player->GetCurrentVehicle()->GetOwner()->GetGUID() ){
_player->GetCurrentVehicle()->MovePassengerToSeat( _player, seat );
}else{
Unit *u = _player->GetMapMgr()->GetUnit( vehicle.GetOldGuid() );
if( u == NULL )
return;
if( u->GetVehicleComponent() == NULL )
return;
// Has to be same vehicle, or an accessory of the vehicle
if( _player->GetVehicleBase()->GetGUID() != u->GetVehicleBase()->GetGUID() )
return;
_player->GetCurrentVehicle()->EjectPassenger( _player );
u->GetVehicleComponent()->AddPassengerToSeat( _player, seat );
}
break;}
// Used when switching from controlling seat to accessory, or from accessory to accessory
case CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE:{
WoWGuid src_guid;
WoWGuid dst_guid;
uint8 seat = 0;
recv_data >> src_guid;
Unit *src_vehicle = _player->GetMapMgr()->GetUnit( src_guid.GetOldGuid() );
if( src_vehicle == NULL )
return;
if(_player->GetVehicleBase())
ReadMovementInfo(recv_data, &_player->GetVehicleBase()->movement_info);
recv_data >> dst_guid;
recv_data >> seat;
if( src_vehicle->GetVehicleComponent() == NULL )
return;
if( src_vehicle->GetGUID() != _player->GetCurrentVehicle()->GetOwner()->GetGUID() )
return;
Unit *dst_vehicle = _player->GetMapMgr()->GetUnit( dst_guid.GetOldGuid() );
if( dst_vehicle == NULL )
return;
if( dst_vehicle->GetVehicleComponent() == NULL )
return;
if( src_vehicle->GetGUID() == dst_vehicle->GetGUID() ){
src_vehicle->GetVehicleComponent()->MovePassengerToSeat( _player, seat );
}else{
// Has to be the same vehicle or an accessory of the vehicle
if( src_vehicle->GetVehicleBase()->GetGUID() != dst_vehicle->GetVehicleBase()->GetGUID() )
return;
_player->GetCurrentVehicle()->EjectPassenger( _player );
dst_vehicle->GetVehicleComponent()->AddPassengerToSeat( _player, seat );
}
break;}
}
}
void WorldSession::HandleChangeSeatsOnControlledVehicle(WorldPacket &recv_data)
{
sLog.outDebug("WORLD: Recvd CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE");
recv_data.hexlike();
Unit* vehicle_base = GetPlayer()->GetVehicleBase();
if (!vehicle_base)
return;
switch (recv_data.GetOpcode())
{
case CMSG_REQUEST_VEHICLE_PREV_SEAT:
GetPlayer()->ChangeSeat(-1, false);
break;
case CMSG_REQUEST_VEHICLE_NEXT_SEAT:
GetPlayer()->ChangeSeat(-1, true);
break;
case CMSG_CHANGE_SEATS_ON_CONTROLLED_VEHICLE:
{
uint64 guid; // current vehicle guid
recv_data.readPackGUID(guid);
ReadMovementInfo(recv_data, &vehicle_base->m_movementInfo);
uint64 accessory; // accessory guid
recv_data.readPackGUID(accessory);
int8 seatId;
recv_data >> seatId;
if (vehicle_base->GetGUID() != guid)
return;
if (!accessory)
GetPlayer()->ChangeSeat(-1, seatId > 0); // prev/next
else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), accessory))
{
if (Vehicle *vehicle = vehUnit->GetVehicleKit())
if (vehicle->HasEmptySeat(seatId))
GetPlayer()->EnterVehicle(vehicle, seatId);
}
}
break;
case CMSG_REQUEST_VEHICLE_SWITCH_SEAT:
{
uint64 guid; // current vehicle guid
recv_data.readPackGUID(guid);
int8 seatId;
recv_data >> seatId;
if (vehicle_base->GetGUID() == guid)
GetPlayer()->ChangeSeat(seatId);
else if (Unit *vehUnit = Unit::GetUnit(*GetPlayer(), guid))
if (Vehicle *vehicle = vehUnit->GetVehicleKit())
if (vehicle->HasEmptySeat(seatId))
GetPlayer()->EnterVehicle(vehicle, seatId);
}
break;
default:
break;
}
}
void WorldSession::HandleCastSpellOpcode(WorldPacket& recvPacket)
{
uint32 spellId;
uint8 cast_count, unk_flags;
recvPacket >> cast_count;
recvPacket >> spellId;
recvPacket >> unk_flags; // flags (if 0x02 - some additional data are received)
// ignore for remote control state (for player case)
Unit* mover = _player->m_mover;
if(mover != _player && mover->GetTypeId()==TYPEID_PLAYER)
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
// vehicle spells are handled by CMSG_PET_CAST_SPELL,
// but player is still able to cast own spells
if(_player->GetCharmGUID() && _player->GetCharmGUID() == _player->GetVehicleGUID())
mover = _player;
sLog.outDebug("WORLD: got cast spell packet, spellId - %u, cast_count: %u, unk_flags %u, data length = %i",
spellId, cast_count, unk_flags, (uint32)recvPacket.size());
SpellEntry const *spellInfo = sSpellStore.LookupEntry(spellId );
if(!spellInfo)
{
sLog.outError("WORLD: unknown spell id %u", spellId);
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
if(mover->GetTypeId()==TYPEID_PLAYER)
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Player*)mover)->HasActiveSpell (spellId) || IsPassiveSpell(spellId) )
{
sLog.outError("World: Player %u casts spell %u which he shouldn't have", mover->GetGUIDLow(), spellId);
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
else
{
// not have spell in spellbook or spell passive and not casted by client
if (!((Creature*)mover)->HasSpell(spellId) || IsPassiveSpell(spellId) )
{
//cheater? kick? ban?
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
}
// client provided targets
SpellCastTargets targets;
if(!targets.read(&recvPacket,mover))
{
recvPacket.rpos(recvPacket.wpos()); // prevent spam at ignore packet
return;
}
// some spell cast packet including more data (for projectiles?)
if (unk_flags & 0x02)
{
recvPacket.read_skip<float>(); // unk1, coords?
recvPacket.read_skip<float>(); // unk1, coords?
uint8 unk1;
recvPacket >> unk1; // >> 1 or 0
if(unk1)
{
recvPacket.read_skip<uint32>(); // >> MSG_MOVE_STOP
uint64 guid; // guid - unused
if(!recvPacket.readPackGUID(guid))
return;
MovementInfo movementInfo;
ReadMovementInfo(recvPacket, &movementInfo);
}
}
void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data)
{
uint16 opcode = recv_data.GetOpcode();
recv_data.hexlike();
Unit *mover = _player->m_mover;
ASSERT(mover != NULL); // there must always be a mover
Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
uint64 guid;
recv_data.readPackGUID(guid);
MovementInfo movementInfo;
movementInfo.guid = guid;
ReadMovementInfo(recv_data, &movementInfo);
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
// prevent tampered movement data
if (guid != mover->GetGUID())
return;
if (!movementInfo.pos.IsPositionValid())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* handle special cases */
if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT)
{
// transports size limited
// (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if (movementInfo.t_pos.GetPositionX() > 50 || movementInfo.t_pos.GetPositionY() > 50 || movementInfo.t_pos.GetPositionZ() > 50)
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
if (!Trinity::IsValidMapCoord(movementInfo.pos.GetPositionX() + movementInfo.t_pos.GetPositionX(), movementInfo.pos.GetPositionY() + movementInfo.t_pos.GetPositionY(),
movementInfo.pos.GetPositionZ() + movementInfo.t_pos.GetPositionZ(), movementInfo.pos.GetOrientation() + movementInfo.t_pos.GetOrientation()))
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
// if we boarded a transport, add us to it
if (plMover && !plMover->GetTransport())
{
// elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
for (MapManager::TransportSet::const_iterator iter = sMapMgr->m_Transports.begin(); iter != sMapMgr->m_Transports.end(); ++iter)
{
if ((*iter)->GetGUID() == movementInfo.t_guid)
{
plMover->m_transport = (*iter);
(*iter)->AddPassenger(plMover);
break;
}
}
}
if (!mover->GetTransport() && !mover->GetVehicle())
{
GameObject *go = mover->GetMap()->GetGameObject(movementInfo.t_guid);
if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
movementInfo.flags &= ~MOVEMENTFLAG_ONTRANSPORT;
}
}
else if (plMover && plMover->GetTransport()) // if we were on a transport, leave
{
plMover->m_transport->RemovePassenger(plMover);
plMover->m_transport = NULL;
movementInfo.t_pos.Relocate(0.0f, 0.0f, 0.0f, 0.0f);
movementInfo.t_time = 0;
movementInfo.t_seat = -1;
}
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight())
plMover->HandleFall(movementInfo);
if (plMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plMover->IsInWater())
{
// now client not include swimming flag in case jumping under water
plMover->SetInWater(!plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ()));
}
/*----------------------*/
/* process position-change */
WorldPacket data(opcode, recv_data.size());
movementInfo.time = getMSTime();
movementInfo.guid = mover->GetGUID();
WriteMovementInfo(&data, &movementInfo);
mover->SendMessageToSet(&data, _player);
mover->m_movementInfo = movementInfo;
// this is almost never true (not sure why it is sometimes, but it is), normally use mover->IsVehicle()
if (mover->GetVehicle())
{
mover->SetOrientation(movementInfo.pos.GetOrientation());
return;
}
mover->SetPosition(movementInfo.pos);
if (plMover) // nothing is charmed, or player charmed
{
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
if (movementInfo.pos.GetPositionZ() < -500.0f)
{
if (!(plMover->InBattleground()
&& plMover->GetBattleground()
&& plMover->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 (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();
}
}
}
}
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
// prevent tampered movement data
if (guid != mover->GetGUID())
return;
if (!movementInfo.pos.IsPositionValid())
{
recvData.rfinish(); // prevent warnings spam
return;
}
/* handle special cases */
if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT)
{
// transports size limited
// (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if (movementInfo.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))
{
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())
{
GameObject* go = mover->GetMap()->GetGameObject(movementInfo.transport.guid);
if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
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();
}
// 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;
// this is almost never true (not sure why it is sometimes, but it is), normally use mover->IsVehicle()
if (mover->GetVehicle())
{
mover->SetOrientation(movementInfo.pos.GetOrientation());
return;
}
mover->UpdatePosition(movementInfo.pos);
if (plrMover) // nothing is charmed, or player charmed
{
plrMover->UpdateFallInformationIfNeed(movementInfo, opcode);
if (movementInfo.pos.GetPositionZ() < -500.0f)
{
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->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();
}
}
}
}
}
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();
}
}
}
}
}
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())
GetPlayer()->HandleFall(movementInfo);
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::HandleForceSpeedChangeAck(WorldPacket &recvData)
{
/* extract packet */
ObjectGuid guid;
uint32 unk1;
float newspeed;
recvData >> guid.ReadAsPacked();
// now can skip not our packet
if (_player->GetGUID() != guid)
{
recvData.rfinish(); // prevent warnings spam
return;
}
// continue parse packet
recvData >> unk1; // counter or moveEvent
MovementInfo movementInfo;
movementInfo.guid = guid;
ReadMovementInfo(recvData, &movementInfo);
recvData >> newspeed;
/*----------------*/
// client ACK send one packet for mounted/run case and need skip all except last from its
// in other cases anti-cheat check can be fail in false case
UnitMoveType move_type;
UnitMoveType force_move_type;
static char const* move_type_name[MAX_MOVE_TYPE] = { "Walk", "Run", "RunBack", "Swim", "SwimBack", "TurnRate", "Flight", "FlightBack", "PitchRate" };
switch (recvData.GetOpcode())
{
case CMSG_FORCE_WALK_SPEED_CHANGE_ACK: move_type = MOVE_WALK; force_move_type = MOVE_WALK; break;
case CMSG_FORCE_RUN_SPEED_CHANGE_ACK: move_type = MOVE_RUN; force_move_type = MOVE_RUN; break;
case CMSG_FORCE_RUN_BACK_SPEED_CHANGE_ACK: move_type = MOVE_RUN_BACK; force_move_type = MOVE_RUN_BACK; break;
case CMSG_FORCE_SWIM_SPEED_CHANGE_ACK: move_type = MOVE_SWIM; force_move_type = MOVE_SWIM; break;
case CMSG_FORCE_SWIM_BACK_SPEED_CHANGE_ACK: move_type = MOVE_SWIM_BACK; force_move_type = MOVE_SWIM_BACK; break;
case CMSG_FORCE_TURN_RATE_CHANGE_ACK: move_type = MOVE_TURN_RATE; force_move_type = MOVE_TURN_RATE; break;
case CMSG_FORCE_FLIGHT_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT; force_move_type = MOVE_FLIGHT; break;
case CMSG_FORCE_FLIGHT_BACK_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT_BACK; force_move_type = MOVE_FLIGHT_BACK; break;
case CMSG_FORCE_PITCH_RATE_CHANGE_ACK: move_type = MOVE_PITCH_RATE; force_move_type = MOVE_PITCH_RATE; break;
default:
TC_LOG_ERROR("network", "WorldSession::HandleForceSpeedChangeAck: Unknown move type opcode: %u", recvData.GetOpcode());
return;
}
// skip all forced speed changes except last and unexpected
// in run/mounted case used one ACK and it must be skipped.m_forced_speed_changes[MOVE_RUN} store both.
if (_player->m_forced_speed_changes[force_move_type] > 0)
{
--_player->m_forced_speed_changes[force_move_type];
if (_player->m_forced_speed_changes[force_move_type] > 0)
return;
}
if (!_player->GetTransport() && std::fabs(_player->GetSpeed(move_type) - newspeed) > 0.01f)
{
if (_player->GetSpeed(move_type) > newspeed) // must be greater - just correct
{
TC_LOG_ERROR("network", "%sSpeedChange player %s is NOT correct (must be %f instead %f), force set to correct value",
move_type_name[move_type], _player->GetName().c_str(), _player->GetSpeed(move_type), newspeed);
_player->SetSpeedRate(move_type, _player->GetSpeedRate(move_type));
}
else // must be lesser - cheating
{
TC_LOG_DEBUG("misc", "Player %s from account id %u kicked for incorrect speed (must be %f instead %f)",
_player->GetName().c_str(), _player->GetSession()->GetAccountId(), _player->GetSpeed(move_type), newspeed);
_player->GetSession()->KickPlayer();
}
}
}
void WorldSession::HandleForceSpeedChangeAck(WorldPacket &recv_data)
{
sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(recv_data.GetOpcode()), recv_data.GetOpcode(), recv_data.GetOpcode());
CHECK_PACKET_SIZE(recv_data, recv_data.rpos()+8+4);
/* extract packet */
uint64 guid;
uint32 unk1;
float newspeed;
recv_data >> guid;
// now can skip not our packet
if(_player->GetGUID() != guid)
return;
// continue parse packet
recv_data >> unk1; // counter or moveEvent
MovementInfo movementInfo;
ReadMovementInfo(recv_data, &movementInfo);
// recheck
CHECK_PACKET_SIZE(recv_data, recv_data.rpos()+4);
recv_data >> newspeed;
/*----------------*/
// client ACK send one packet for mounted/run case and need skip all except last from its
// in other cases anti-cheat check can be fail in false case
UnitMoveType move_type;
UnitMoveType force_move_type;
static char const* move_type_name[MAX_MOVE_TYPE] = { "Walk", "Run", "RunBack", "Swim", "SwimBack", "TurnRate", "Flight", "FlightBack", "PitchRate" };
uint16 opcode = recv_data.GetOpcode();
switch(opcode)
{
case CMSG_FORCE_WALK_SPEED_CHANGE_ACK: move_type = MOVE_WALK; force_move_type = MOVE_WALK; break;
case CMSG_FORCE_RUN_SPEED_CHANGE_ACK: move_type = MOVE_RUN; force_move_type = MOVE_RUN; break;
case CMSG_FORCE_RUN_BACK_SPEED_CHANGE_ACK: move_type = MOVE_RUN_BACK; force_move_type = MOVE_RUN_BACK; break;
case CMSG_FORCE_SWIM_SPEED_CHANGE_ACK: move_type = MOVE_SWIM; force_move_type = MOVE_SWIM; break;
case CMSG_FORCE_SWIM_BACK_SPEED_CHANGE_ACK: move_type = MOVE_SWIM_BACK; force_move_type = MOVE_SWIM_BACK; break;
case CMSG_FORCE_TURN_RATE_CHANGE_ACK: move_type = MOVE_TURN_RATE; force_move_type = MOVE_TURN_RATE; break;
case CMSG_FORCE_FLIGHT_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT; force_move_type = MOVE_FLIGHT; break;
case CMSG_FORCE_FLIGHT_BACK_SPEED_CHANGE_ACK: move_type = MOVE_FLIGHT_BACK; force_move_type = MOVE_FLIGHT_BACK; break;
case CMSG_FORCE_PITCH_RATE_CHANGE_ACK: move_type = MOVE_PITCH_RATE; force_move_type = MOVE_PITCH_RATE; break;
default:
sLog.outError("WorldSession::HandleForceSpeedChangeAck: Unknown move type opcode: %u", opcode);
return;
}
// skip all forced speed changes except last and unexpected
// in run/mounted case used one ACK and it must be skipped.m_forced_speed_changes[MOVE_RUN} store both.
if(_player->m_forced_speed_changes[force_move_type] > 0)
{
--_player->m_forced_speed_changes[force_move_type];
if(_player->m_forced_speed_changes[force_move_type] > 0)
return;
}
if (!_player->GetTransport() && fabs(_player->GetSpeed(move_type) - newspeed) > 0.01f)
{
if(_player->GetSpeed(move_type) > newspeed) // must be greater - just correct
{
sLog.outError("%sSpeedChange player %s is NOT correct (must be %f instead %f), force set to correct value",
move_type_name[move_type], _player->GetName(), _player->GetSpeed(move_type), newspeed);
_player->SetSpeed(move_type,_player->GetSpeedRate(move_type),true);
}
else // must be lesser - cheating
{
sLog.outBasic("Player %s from account id %u kicked for incorrect speed (must be %f instead %f)",
_player->GetName(),_player->GetSession()->GetAccountId(),_player->GetSpeed(move_type), newspeed);
_player->GetSession()->KickPlayer();
}
}
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
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);
}
}
