void WorldSession::HandleFeatherFallAck(WorldPacket &recv_data)
{
DEBUG_LOG("WORLD: CMSG_MOVE_FEATHER_FALL_ACK size %u", recv_data.wpos());
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid; // guid
recv_data.read_skip<uint32>(); // counter
recv_data >> movementInfo;
movementInfo.UpdateTime(recv_data.GetPacketTime());
if (guid != _clientMoverGuid)
return;
if (!VerifyMovementInfo(movementInfo))
return;
if (!_player->GetCheatData()->HandleAnticheatTests(movementInfo, this, &recv_data))
return;
// Position change
HandleMoverRelocation(movementInfo);
_player->UpdateFallInformationIfNeed(movementInfo, recv_data.GetOpcode());
WorldPacket data(MSG_MOVE_FEATHER_FALL, recv_data.size());
data << guid.WriteAsPacked();
movementInfo.Write(data);
_player->SendMovementMessageToSet(std::move(data), true, _player);
}
void WorldSession::HandleMoveRootAck(WorldPacket& recv_data)
{
DEBUG_LOG("WORLD: CMSG_FORCE_MOVE_ROOT_ACK");
ObjectGuid guid;
recv_data >> guid;
// now can skip not our packet
if (_player->GetObjectGuid() != guid)
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
MovementInfo movementInfo;
recv_data.read_skip<uint32>(); // unk
recv_data >> movementInfo;
movementInfo.UpdateTime(recv_data.GetPacketTime());
if (!VerifyMovementInfo(movementInfo))
return;
if (!_player->GetCheatData()->HandleAnticheatTests(movementInfo, this, &recv_data))
return;
// Position change
HandleMoverRelocation(movementInfo);
_player->UpdateFallInformationIfNeed(movementInfo, recv_data.GetOpcode());
WorldPacket data(MSG_MOVE_ROOT, recv_data.size());
data << _player->GetPackGUID();
movementInfo.Write(data);
_player->SendMovementMessageToSet(std::move(data), true, _player);
}
void WorldSession::HandleMoveKnockBackAck(WorldPacket& recv_data)
{
DEBUG_LOG("CMSG_MOVE_KNOCK_BACK_ACK");
Unit* mover = _player->GetMover();
Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
MovementInfo movementInfo;
recv_data >> movementInfo;
if (!VerifyMovementInfo(movementInfo, movementInfo.GetGuid()))
return;
HandleMoverRelocation(movementInfo);
WorldPacket data(SMSG_MOVE_UPDATE_KNOCK_BACK, recv_data.size() + 15);
data << movementInfo;
mover->SendMessageToSetExcept(&data, _player);
}
void WorldSession::HandleMoveKnockBackAck( WorldPacket & recv_data )
{
DEBUG_LOG("CMSG_MOVE_KNOCK_BACK_ACK");
Unit *mover = _player->GetMover();
Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if(plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid.ReadAsPacked();
recv_data >> Unused<uint32>(); // knockback packets counter
recv_data >> movementInfo;
if (!VerifyMovementInfo(movementInfo, guid))
return;
HandleMoverRelocation(movementInfo);
WorldPacket data(MSG_MOVE_KNOCK_BACK, recv_data.size() + 15);
data << mover->GetPackGUID();
data << movementInfo;
data << movementInfo.GetJumpInfo().sinAngle;
data << movementInfo.GetJumpInfo().cosAngle;
data << movementInfo.GetJumpInfo().xyspeed;
data << movementInfo.GetJumpInfo().velocity;
mover->SendMessageToSetExcept(&data, _player);
}
void WorldSession::HandleDismissControlledVehicle(WorldPacket& recv_data)
{
DEBUG_LOG("WORLD: Received CMSG_DISMISS_CONTROLLED_VEHICLE");
recv_data.hexlike();
MovementInfo movementInfo;
recv_data >> movementInfo;
if (!GetPlayer()->GetVehicle())
return;
bool dismiss = true;
Creature* vehicle = GetPlayer()->GetMap()->GetAnyTypeCreature(movementInfo.GetGuid());
if (!vehicle || !vehicle->IsVehicle() || !vehicle->GetVehicleKit() || !vehicle->GetEntry())
return;
if (vehicle->GetVehicleKit()->GetEntry()->m_flags & (VEHICLE_FLAG_NOT_DISMISS | VEHICLE_FLAG_ACCESSORY))
dismiss = false;
// Client freezes...
if (vehicle->GetEntry() == 34812 || vehicle->GetEntry() == 34819 || vehicle->GetEntry() == 34822 ||
vehicle->GetEntry() == 34823 || vehicle->GetEntry() == 34824)
dismiss = false;
GetPlayer()->m_movementInfo = movementInfo;
GetPlayer()->ExitVehicle();
if (dismiss)
vehicle->ForcedDespawn();
}
void WorldSession::HandleForceSpeedChangeAck(WorldPacket& recv_data)
{
DEBUG_LOG("WORLD: Recvd CMSG_SPEED_CHANGE_ACK");
/* extract packet */
ObjectGuid guid;
uint32 unk1;
MovementInfo movementInfo;
float newspeed;
recv_data >> guid;
recv_data >> unk1; // counter or moveEvent
recv_data >> movementInfo;
recv_data >> newspeed;
// now can skip not our packet
if (GetPlayer()->GetGUID() != guid.GetRawValue())
return;
/*----------------*/
// Save movement flags
GetPlayer()->SetUnitMovementFlags(movementInfo.GetMovementFlags());
// 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"};
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;
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 (GetPlayer()->m_forced_speed_changes[force_move_type] > 0)
{
--GetPlayer()->m_forced_speed_changes[force_move_type];
if (GetPlayer()->m_forced_speed_changes[force_move_type] > 0)
return;
}
}
void WorldSession::HandleTaxiNextDestinationOpcode(WorldPacket& recv_data)
{
DEBUG_LOG("WORLD: Received CMSG_MOVE_SPLINE_DONE");
MovementInfo movementInfo; // used only for proper packet read
recv_data >> movementInfo;
recv_data >> Unused<uint32>(); // unk
// in taxi flight packet received at the end of current path in far (multi-node) flight
uint32 curDest = GetPlayer()->m_taxi.GetTaxiDestination();
if (!curDest)
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);
}
}
DEBUG_LOG("WORLD: Taxi has to go from %u to %u", sourcenode, destinationnode);
uint16 MountId = sObjectMgr.GetTaxiMount(sourcenode, GetPlayer()->GetTeam());
uint32 path, cost;
sObjectMgr.GetTaxiPath(sourcenode, destinationnode, path, cost);
if (path && MountId)
SendDoFlight(MountId, 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
// has taxi flight just finished reset fall information to avoid receiving fall damage
GetPlayer()->SetFallInformation(0, movementInfo.GetPos()->GetPositionZ());
}
GetPlayer()->CleanupAfterTaxiFlight();
}
void WorldSession::HandleMovementOpcodes(WorldPacket& recvPacket)
{
MovementInfo info;
info.ReadFromPacket(recvPacket);
//Stop Emote
if (GetPlayer()->GetUInt32Value(UNIT_NPC_EMOTESTATE))
GetPlayer()->HandleEmoteCommand(0);
HandleMovementInfo(info, recvPacket.GetOpcode(), recvPacket.size(), _player->m_mover);
}
void WorldSession::HandleMovementUnrootAck(WorldPacket& recvPacket)
{
MovementInfo info;
info.ReadFromPacket(recvPacket);
// skip old result
if (_player->m_movement_ack[ACK_UNROOT] != info.ackCount)
{
recvPacket.rfinish();
return;
}
HandleMovementInfo(info, recvPacket.GetOpcode(), recvPacket.size()-4, _player->m_mover);
}
void WorldSession::HandleMoveWaterWalkAck(WorldPacket& recvPacket)
{
sLog->outDebug(LOG_FILTER_NETWORKIO, "CMSG_MOVE_WATER_WALK_ACK");
MovementInfo info;
info.ReadFromPacket(recvPacket);
recvPacket.read_skip<uint32>(); // unk
MovementInfo movementInfo;
GetPlayer()->ReadMovementInfo(recvPacket, &movementInfo);
recvPacket.read_skip<uint32>(); // unk2
}
bool WorldSession::VerifyMovementInfo(MovementInfo const& movementInfo, ObjectGuid const& guid) const
{
// ignore wrong guid (player attempt cheating own session for not own guid possible...)
if (guid != _player->GetMover()->GetObjectGuid())
return false;
if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
return false;
if (movementInfo.GetTransportGuid())
{
// transports size limited
// (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if (movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100)
return false;
if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o))
{
return false;
}
}
return true;
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
uint32 opcode = recv_data.GetOpcode();
DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
recv_data.hexlike();
Unit *mover = _player->GetMover();
Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if(plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid.ReadAsPacked();
recv_data >> movementInfo;
/*----------------*/
if (!VerifyMovementInfo(movementInfo, guid))
return;
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
plMover->HandleFall(movementInfo);
/* process anticheat check */
GetPlayer()->GetAntiCheat()->DoAntiCheatCheck(CHECK_MOVEMENT,movementInfo, opcode);
/* process position-change */
HandleMoverRelocation(movementInfo);
if (plMover)
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
// after move info set
if (opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE)
mover->UpdateWalkMode(mover, false);
WorldPacket data(opcode, recv_data.size());
data << mover->GetPackGUID(); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(&data, _player);
}
void WorldSession::HandleMovementOpcodes(WorldPacket& recv_data)
{
Opcodes opcode = recv_data.GetOpcode();
if (!sLog.HasLogFilter(LOG_FILTER_PLAYER_MOVES))
{
DEBUG_LOG("WORLD: Received opcode %s (%u, 0x%X)", LookupOpcodeName(opcode), opcode, opcode);
recv_data.hexlike();
}
Unit* mover = _player->GetMover();
Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : nullptr;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid.ReadAsPacked();
recv_data >> movementInfo;
/*----------------*/
if (!VerifyMovementInfo(movementInfo, guid))
return;
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
plMover->HandleFall(movementInfo);
// Remove auras that should be removed at landing on ground or water
if (opcode == MSG_MOVE_FALL_LAND || opcode == MSG_MOVE_START_SWIM)
mover->RemoveAurasWithInterruptFlags(AURA_INTERRUPT_FLAG_LANDING); // Parachutes
/* process position-change */
HandleMoverRelocation(movementInfo);
if (plMover)
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
WorldPacket data(opcode, recv_data.size());
data << mover->GetPackGUID(); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(data, _player);
}
void WorldSession::HandleMoveSetCanFlyAckOpcode(WorldPacket& recv_data)
{
// fly mode on/off
DEBUG_LOG("WORLD: CMSG_MOVE_SET_CAN_FLY_ACK");
//recv_data.hexlike();
MovementInfo movementInfo;
recv_data.read_skip<uint64>(); // guid
recv_data.read_skip<uint32>(); // unk
recv_data >> movementInfo;
recv_data.read_skip<uint32>(); // unk2
GetPlayer()->SetUnitMovementFlags(movementInfo.GetMovementFlags());
}
void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movementInfo)
{
if ((sWorld->getIntConfig(CONFIG_ANTICHEAT_DETECTIONS_ENABLED) & TELEPORT_PLANE_HACK_DETECTION) == 0)
return;
uint32 key = player->GetGUIDLow();
if (m_Players[key].GetLastMovementInfo().pos.GetPositionZ() != 0 ||
movementInfo.pos.GetPositionZ() != 0)
return;
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING))
return;
//DEAD_FALLING was deprecated
//if (player->getDeathState() == DEAD_FALLING)
// return;
float x, y, z;
player->GetPosition(x, y, z);
float ground_Z = player->GetMap()->GetHeight(x, y, z);
float z_diff = fabs(ground_Z - z);
// we are not really walking there
if (z_diff > 1.0f)
{
TC_LOG_DEBUG("entities.player.character", "AnticheatMgr:: Teleport To Plane - Hack detected player GUID (low) %u",player->GetGUIDLow());
BuildReport(player,TELEPORT_PLANE_HACK_REPORT);
}
}
void WorldSession::HandleMoveNotActiveMoverOpcode(WorldPacket &recv_data)
{
DEBUG_LOG("WORLD: Recvd CMSG_MOVE_NOT_ACTIVE_MOVER");
recv_data.hexlike();
MovementInfo mi;
recv_data >> mi;
if (_player->GetMover()->GetObjectGuid() == mi.GetGuid())
{
DEBUG_LOG("World: CMSG_MOVE_NOT_ACTIVE_MOVER %s received, but his now is active mover!", mi.GetGuid().GetString().c_str());
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
}
_player->m_movementInfo = mi;
}
void AnticheatMgr::TeleportPlaneHackDetection(Player* player, MovementInfo movementInfo)
{
uint32 key = player->GetGUIDLow();
if (m_Players[key].GetLastMovementInfo().pos.GetPositionZ() != 0 ||
movementInfo.pos.GetPositionZ() != 0)
return;
if (movementInfo.HasMovementFlag(MOVEMENTFLAG_FALLING))
return;
//DEAD_FALLING was deprecated
//if (player->getDeathState() == DEAD_FALLING)
// return;
float x, y, z;
player->GetPosition(x, y, z);
float ground_Z = player->GetMap()->GetHeight(x, y, z);
float z_diff = fabs(ground_Z - z);
// we are not really walking there
if (z_diff > 9.0f)
{
Report(player, TELEPORTPLANE_HACK);
}
}
void WorldSession::SynchronizeMovement(MovementInfo &movementInfo)
{
// Get time based on server
uint32 currMsTime = WorldTimer::getMSTime();
// Invalidate syncs older than 750ms (and start new one)
if (lastMoveTimeServer < currMsTime - 750)
{
lastMoveTimeServer = currMsTime;
}
else
{
// The time that is between last clients time and current client time gets applie to last server time
uint32 clientMsDiff = movementInfo.time - lastMoveTimeClient;
if (clientMsDiff > 750)
lastMoveTimeServer = currMsTime;
else
{
uint32 serverDiffApplied = lastMoveTimeServer + clientMsDiff;
lastMoveTimeServer = serverDiffApplied;
}
if (lastMoveTimeServer > currMsTime)
lastMoveTimeServer = currMsTime;
}
lastMoveTimeClient = movementInfo.time;
movementInfo.UpdateTime(lastMoveTimeServer);
}
void WorldSession::HandleMovementOpcodes(WorldPacket& recv_data)
{
Opcodes opcode = recv_data.GetOpcode();
if (!sLog.HasLogFilter(LOG_FILTER_PLAYER_MOVES))
{
DEBUG_LOG("WORLD: Received opcode %s (%u, 0x%X)", LookupOpcodeName(opcode), opcode, opcode);
recv_data.hexlike();
}
Unit* mover = _player->GetMover();
Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
MovementInfo movementInfo;
recv_data >> movementInfo;
/*----------------*/
if (!VerifyMovementInfo(movementInfo))
return;
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
plMover->HandleFall(movementInfo);
if (plMover)
plMover->ToCPlayer()->DetectHacks(movementInfo, opcode);
/* process position-change */
HandleMoverRelocation(movementInfo);
if (plMover)
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
WorldPacket data(opcode, recv_data.size());
data << mover->GetPackGUID(); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(&data, _player);
}
void WorldSession::HandleMoveKnockBackAck(WorldPacket& recv_data)
{
// Currently not used but maybe use later for recheck final player position
// (must be at call same as into "recv_data >> x >> y >> z >> orientation;"
DEBUG_LOG("CMSG_MOVE_KNOCK_BACK_ACK");
MovementInfo movementInfo;
uint64 guid;
recv_data >> guid; // guid
recv_data >> Unused<uint32>(); // Always set to 0
recv_data >> movementInfo;
if (GetPlayer()->GetGUID() != guid)
return;
_player->m_movementInfo = movementInfo;
// Calculate timestamp
uint32 move_time, mstime;
mstime = getMSTime();
if(m_clientTimeDelay == 0)
m_clientTimeDelay = mstime - movementInfo.time;
move_time = (movementInfo.time - (mstime - m_clientTimeDelay)) + mstime + 500;
movementInfo.time = move_time;
// Save movement flags
GetPlayer()->SetUnitMovementFlags(movementInfo.GetMovementFlags());
// Send packet
WorldPacket data(MSG_MOVE_KNOCK_BACK, uint16(recv_data.size() + 4));
data.appendPackGUID(guid);
/* Includes data shown below (but in different order) */
movementInfo.Write(data);
/* This is sent in addition to the rest of the movement data (yes, angle+velocity are sent twice) */
data << movementInfo.j_sinAngle;
data << movementInfo.j_cosAngle;
data << movementInfo.j_xyspeed;
data << movementInfo.j_velocity;
/* Do we really need to send the data to everyone? Seemed to work better */
_player->SendMessageToSet(&data, false);
}
void WorldSession::HandleMoveKnockBackAck(WorldPacket & recv_data)
{
DEBUG_LOG("CMSG_MOVE_KNOCK_BACK_ACK");
Unit *mover = _player->GetMover();
Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid;
recv_data >> Unused<uint32>(); // knockback packets counter
recv_data >> movementInfo;
movementInfo.UpdateTime(recv_data.GetPacketTime());
if (guid != _clientMoverGuid)
return;
if (!VerifyMovementInfo(movementInfo, guid))
return;
if (!_player->GetCheatData()->HandleAnticheatTests(movementInfo, this, &recv_data))
return;
HandleMoverRelocation(movementInfo);
// Actually other clients don't need this packet ...
// CMSG_MOVE_KNOCK_BACK_ACK only use is to update position server side for now.
/*
WorldPacket data(MSG_MOVE_KNOCK_BACK, recv_data.size() + 12);
data << guid.WriteAsPacked();
data << movementInfo;
data << movementInfo.GetJumpInfo().sinAngle;
data << movementInfo.GetJumpInfo().cosAngle;
data << movementInfo.GetJumpInfo().xyspeed;
data << movementInfo.GetJumpInfo().velocity;
mover->SendMovementMessageToSet(&data, true, _player);*/
}
void WorldSession::HandleMoveNotActiveMoverOpcode(WorldPacket& recv_data)
{
DEBUG_LOG("WORLD: Received opcode CMSG_MOVE_NOT_ACTIVE_MOVER");
recv_data.hexlike();
MovementInfo mi;
recv_data >> mi;
if (_player->GetMover()->GetObjectGuid() == mi.GetGuid())
{
sLog.outError("HandleMoveNotActiveMover: incorrect mover guid: mover is %s and should be %s instead of %s",
_player->GetMover()->GetGuidStr().c_str(),
_player->GetGuidStr().c_str(),
mi.GetGuid().GetString().c_str());
return;
}
_player->m_movementInfo = mi;
}
void WorldSession::HandleMovementOpcodes(WorldPacket & recv_data)
{
Unit *mover = _player->GetMover();
Player *plMover = mover->ToPlayer();
uint16 opcode = recv_data.GetOpcode();
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
MovementInfo movementInfo;
recv_data >> movementInfo;
/*----------------*/
if (recv_data.size() != recv_data.rpos())
{
sLog.outLog(LOG_DEFAULT, "ERROR: 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 (!Looking4group::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
return;
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
plMover->HandleFallDamage(movementInfo);
/* process position-change */
HandleMoverRelocation(movementInfo);
SynchronizeMovement(movementInfo);
if (plMover)
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
WorldPacket data(opcode, recv_data.size());
data << mover->GetPackGUID(); // write guid
movementInfo.Write(data); // write data
mover->BroadcastPacketExcept(&data, _player);
}
void WorldSession::HandleMoveKnockBackAck(WorldPacket & recv_data)
{
// Currently not used but maybe use later for recheck final player position
// (must be at call same as into "recv_data >> x >> y >> z >> orientation;"
DEBUG_LOG("CMSG_MOVE_KNOCK_BACK_ACK");
MovementInfo movementInfo;
uint64 guid;
recv_data >> guid; // guid
recv_data >> Unused<uint32>(); // unk
recv_data >> movementInfo;
if (GetPlayer()->GetGUID() != guid)
return;
// Save movement flags
GetPlayer()->SetUnitMovementFlags(movementInfo.GetMovementFlags());
}
void ModelRenderManager::UpdatePlayer(const Player& player)
{
ATLASSERT(m_spPlayerModelRenderInstance != NULL);
if (m_spPlayerModelRenderInstance == nullptr)
return;
m_modelManager.Update(player,
m_spPlayerModelRenderInstance->DisplayState());
m_spPlayerModelRenderInstance->SetPosition(player.Pos(), player.ViewAngle());
MovementInfo movementInfo = player.GetMovementInfo();
movementInfo.Position(player.Pos());
m_spPlayerModelRenderInstance->UpdateMovementInfo(movementInfo);
m_selectedObjectId = player.Selection();
}
void WorldSession::HandleMovementOpcodes(WorldPacket& recv_data)
{
uint32 opcode = recv_data.GetOpcode();
DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
Unit* mover = _player->GetMover();
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;
recv_data >> movementInfo;
/*----------------*/
if (!VerifyMovementInfo(movementInfo))
return;
// set stand state when moving while are seated
if (plMover->IsSitState() && plMover->isMovingOrTurning())
plMover->SetStandState(UNIT_STAND_STATE_STAND);
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
plMover->HandleFall(movementInfo);
/* process position-change */
HandleMoverRelocation(movementInfo);
if (plMover)
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
WorldPacket data(opcode, recv_data.size());
data << mover->GetPackGUID(); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(&data, _player);
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
Opcodes opcode = recv_data.GetOpcode();
DEBUG_FILTER_LOG(LOG_FILTER_PLAYER_MOVES,"WorldSession::HandleMovementOpcodes: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
//recv_data.hexlike();
Unit* mover = _player->GetMover();
Player* plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if(plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
MovementInfo movementInfo;
recv_data >> movementInfo;
/*----------------*/
if (!VerifyMovementInfo(movementInfo, movementInfo.GetGuid()))
return;
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == CMSG_MOVE_FALL_LAND && plMover && !plMover->IsTaxiFlying())
plMover->HandleFall(movementInfo);
/* process anticheat check */
GetPlayer()->GetAntiCheat()->DoAntiCheatCheck(CHECK_MOVEMENT,movementInfo, opcode);
/* process position-change */
HandleMoverRelocation(movementInfo);
if (plMover)
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
WorldPacket data(SMSG_PLAYER_MOVE, recv_data.size());
data << movementInfo;
mover->SendMessageToSetExcept(&data, _player);
}
void WorldSession::HandleDismissControlledVehicle(WorldPacket &recvData)
{
sLog->outDebug(LOG_FILTER_NETWORKIO, "WORLD: Recvd CMSG_DISMISS_CONTROLLED_VEHICLE");
uint64 vehicleGUID = _player->GetCharmGUID();
if (!vehicleGUID) // something wrong here...
{
recvData.rfinish(); // prevent warnings spam
return;
}
MovementInfo mi;
mi.ReadFromPacket(recvData);
mi.Sanitize(_player);
_player->m_movementInfo = mi;
_player->ExitVehicle();
}
void WorldSession::HandleMoverRelocation(MovementInfo& movementInfo)
{
//movementInfo.UpdateTime(WorldTimer::getMSTime());
Unit *mover = _player->GetMover();
if (Player *plMover = mover->ToPlayer())
{
if (sWorld.getConfig(CONFIG_ENABLE_PASSIVE_ANTICHEAT) && !plMover->hasUnitState(UNIT_STAT_LOST_CONTROL | UNIT_STAT_NOT_MOVE) && !plMover->GetSession()->HasPermissions(PERM_GMT) && plMover->m_AC_timer == 0)
sWorld.m_ac.execute(new ACRequest(plMover, plMover->m_movementInfo, movementInfo));
if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT))
{
if (!plMover->GetTransport())
{
// elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
{
if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid())
{
plMover->m_transport = (*iter);
(*iter)->AddPassenger(plMover);
break;
}
}
}
}
else if (plMover->GetTransport()) // if we were on a transport, leave
{
plMover->GetTransport()->RemovePassenger(plMover);
plMover->SetTransport(NULL);
movementInfo.ClearTransportData();
}
if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater())
{
// now client not include swimming flag in case jumping under water
plMover->SetInWater(!plMover->IsInWater() || plMover->GetTerrain()->IsInWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z));
}
}
mover->m_movementInfo = movementInfo;
mover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
if (mover->GetObjectGuid().IsPlayer())
mover->ToPlayer()->HandleFallUnderMap(movementInfo.GetPos()->z);
}
bool WorldSession::VerifyMovementInfo(MovementInfo const& movementInfo, ObjectGuid const& guid) const
{
// ignore wrong guid (player attempt cheating own session for not own guid possible...)
if (guid != _player->GetMover()->GetObjectGuid())
return false;
if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
return false;
if (movementInfo.GetTransportGuid())
{
if( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
{
return false;
}
}
return true;
}
