/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 /*diff*/)
{
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not proccess packets if socket already closed
WorldPacket* packet;
while (_recvQueue.next(packet) && m_Socket && !m_Socket->IsClosed ())
{
/*#if 1
sLog.outError( "MOEP: %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
#endif*/
OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()];
try
{
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if(!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if(!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
}
else if(_player->IsInWorld())
{
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
// playerbot mod
if (_player && _player->GetPlayerbotMgr())
_player->GetPlayerbotMgr()->HandleMasterIncomingPacket(*packet);
// playerbot mod end
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGEDOUT:
if(!_player && !m_playerRecentlyLogout)
{
LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout");
}
else
{
// not expected _player or must checked in packet hanlder
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_TRANSFER:
if(!_player)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
else if(_player->IsInWorld())
LogUnexpectedOpcode(packet, "the player is still in world");
else
{
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if(m_inQueue)
{
LogUnexpectedOpcode(packet, "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
break;
case STATUS_NEVER:
sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
case STATUS_UNHANDLED:
sLog.outDebug("SESSION: received not handled opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
default:
sLog.outError("SESSION: received wrong-status-req opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
}
}
catch(ByteBufferException &)
{
sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if(sLog.IsOutDebug())
{
sLog.outDebug("Dumping error causing packet:");
packet->hexlike();
}
}
delete packet;
}
// Playerbot mod - Process player bot packets
// The PlayerbotAI class adds to the packet queue to simulate a real player
// since Playerbots are known to the World obj only by its master's WorldSession object
// we need to process all master's bot's packets.
if (GetPlayer() && GetPlayer()->GetPlayerbotMgr()) {
for (PlayerBotMap::const_iterator itr = GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsBegin();
itr != GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsEnd(); ++itr)
{
Player* const botPlayer = itr->second;
WorldSession* const pBotWorldSession = botPlayer->GetSession();
if (botPlayer->IsBeingTeleported())
botPlayer->GetPlayerbotAI()->HandleTeleportAck();
else if (botPlayer->IsInWorld())
{
WorldPacket* packet;
while (pBotWorldSession->_recvQueue.next(packet))
{
OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()];
(pBotWorldSession->*opHandle.handler)(*packet);
delete packet;
}
}
}
}
///- Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed ())
{
m_Socket->RemoveReference ();
m_Socket = NULL;
}
///- If necessary, log the player out
time_t currTime = time(NULL);
if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading))
LogoutPlayer(true);
if (!m_Socket)
return false; //Will remove this session from the world session map
return true;
}
void WorldSession::SizeError(WorldPacket const &packet, uint32 size) const
{
sLog->outError("Client (account %u) send packet %s (%u) with size " SIZEFMTD " but expected %u (attempt to crash server?), skipped",
GetAccountId(), LookupOpcodeName(packet.GetOpcode()), packet.GetOpcode(), packet.size(), size);
}
/// Logging helper for unexpected opcodes
void WorldSession::LogUnprocessedTail(WorldPacket *packet)
{
sLog->outError("SESSION: opcode %s (0x%.4X) have unprocessed tail data (read stop at %u from %u)",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode(), uint32(packet->rpos()), uint32(packet->wpos()));
packet->print_storage();
}
void WorldSession::Handle_EarlyProccess(WorldPacket& recvPacket)
{
sLog->outError("SESSION: received opcode %s (0x%.4X) that must be processed in WorldSocket::OnRead", LookupOpcodeName(recvPacket.GetOpcode()), recvPacket.GetOpcode());
}
void WorldSession::Handle_Deprecated(WorldPacket& recvPacket)
{
sLog->outError("SESSION: received deprecated opcode %s (0x%.4X)", LookupOpcodeName(recvPacket.GetOpcode()), recvPacket.GetOpcode());
}
void WorldSession::Handle_NULL( WorldPacket& recvPacket )
{
sLog.outError( "SESSION: received unhandled opcode %s (0x%.4X)",
LookupOpcodeName(recvPacket.GetOpcode()),
recvPacket.GetOpcode());
}
void WorldSession::Handle_NULL( WorldPacket& recvPacket )
{
DEBUG_LOG("SESSION: received unimplemented opcode %s (0x%.4X)",
LookupOpcodeName(recvPacket.GetOpcode()),
recvPacket.GetOpcode());
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 /*diff*/)
{
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not proccess packets if socket already closed
WorldPacket* packet;
while (_recvQueue.next(packet) && m_Socket && !m_Socket->IsClosed ())
{
/*#if 1
sLog.outError( "MOEP: %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
#endif*/
if(packet->GetOpcode() >= NUM_MSG_TYPES)
{
sLog.outError( "SESSION: received non-existed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
}
else
{
OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()];
/* if(_player)
{
if(packet->GetOpcode()!=CMSG_MOVE_TIME_SKIPPED)
{
sLog.outError("Send:%u (OP:%u)<%s>",_player->GetGUID(), opcodeTable[packet->GetOpcode()],LookupOpcodeName(packet->GetOpcode()));
packet->Print();
packet->rpos(0);
}
}*/
try
{
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if(!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if(!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
}
else if(_player->IsInWorld())
{
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT:
if(!_player && !m_playerRecentlyLogout)
{
LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout");
}
else
{
// not expected _player or must checked in packet hanlder
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_TRANSFER:
if(!_player)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
else if(_player->IsInWorld())
LogUnexpectedOpcode(packet, "the player is still in world");
else
{
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if(m_inQueue)
{
LogUnexpectedOpcode(packet, "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
(this->*opHandle.handler)(*packet);
if (sLog.IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
break;
case STATUS_NEVER:
break;
sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
}
}
catch(ByteBufferException &)
{
sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if(sLog.IsOutDebug())
{
sLog.outDebug("Dumping error causing packet:");
packet->hexlike();
}
}
}
delete packet;
}
///- Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed ())
{
m_Socket->RemoveReference ();
m_Socket = NULL;
}
///- If necessary, log the player out
time_t currTime = time(NULL);
if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading))
LogoutPlayer(true);
if (!m_Socket)
return false; //Will remove this session from the world session map
return true;
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 /*diff*/)
{
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not proccess packets if socket already closed
WorldPacket* packet;
while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet))
{
/*#if 1
sLog.outError( "MOEP: %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
#endif*/
OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()];
try
{
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if(!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if(!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
}
else if(_player->IsInWorld())
ExecuteOpcode(opHandle, packet);
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGEDOUT:
if(!_player && !m_playerRecentlyLogout)
{
LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout");
}
else
// not expected _player or must checked in packet hanlder
ExecuteOpcode(opHandle, packet);
break;
case STATUS_TRANSFER:
if(!_player)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
else if(_player->IsInWorld())
LogUnexpectedOpcode(packet, "the player is still in world");
else
ExecuteOpcode(opHandle, packet);
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if(m_inQueue)
{
LogUnexpectedOpcode(packet, "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
ExecuteOpcode(opHandle, packet);
break;
case STATUS_NEVER:
sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
case STATUS_UNHANDLED:
DEBUG_LOG("SESSION: received not handled opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
default:
sLog.outError("SESSION: received wrong-status-req opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
}
}
catch (ByteBufferException &)
{
sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG))
{
sLog.outDebug("Dumping error causing packet:");
packet->hexlike();
}
if (sWorld.getConfig(CONFIG_BOOL_KICK_PLAYER_ON_BAD_PACKET))
{
DETAIL_LOG("Disconnecting session [account id %u / address %s] for badly formatted packet.",
GetAccountId(), GetRemoteAddress().c_str());
KickPlayer();
}
}
delete packet;
}
///- Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed ())
{
m_Socket->RemoveReference ();
m_Socket = NULL;
}
///- If necessary, log the player out
time_t currTime = time(NULL);
if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading))
LogoutPlayer(true);
if (!m_Socket)
return false; //Will remove this session from the world session map
return 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);
Unit *mover = _player->m_mover;
Player *plMover = mover->GetTypeId()==TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if(plMover && plMover->IsBeingTeleported())
return;
/* extract packet */
MovementInfo movementInfo;
ReadMovementInfo(recv_data, &movementInfo);
/*----------------*/
if(recv_data.size() != recv_data.rpos())
{
sLog.outError("MovementHandler: player %s (guid %d, account %u) sent a packet (opcode %u) that is %u bytes larger than it should be. Kicked as cheater.", _player->GetName(), _player->GetGUIDLow(), _player->GetSession()->GetAccountId(), recv_data.GetOpcode(), recv_data.size() - recv_data.rpos());
KickPlayer();
return;
}
if (!MaNGOS::IsValidMapCoord(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o))
return;
/* handle special cases */
if (movementInfo.flags & MOVEMENTFLAG_ONTRANSPORT)
{
// transports size limited
// (also received at zeppelin leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if( movementInfo.t_x > 50 || movementInfo.t_y > 50 || movementInfo.t_z > 50 )
return;
if( !MaNGOS::IsValidMapCoord(movementInfo.x+movementInfo.t_x, movementInfo.y+movementInfo.t_y,
movementInfo.z+movementInfo.t_z, movementInfo.o+movementInfo.t_o) )
return;
// if we boarded a transport, add us to it
if (plMover && !plMover->m_transport)
{
// elevators also cause the client to send MOVEMENTFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
for (MapManager::TransportSet::const_iterator iter = MapManager::Instance().m_Transports.begin(); iter != MapManager::Instance().m_Transports.end(); ++iter)
{
if ((*iter)->GetGUID() == movementInfo.t_guid)
{
plMover->m_transport = (*iter);
(*iter)->AddPassenger(plMover);
break;
}
}
}
}
else if (plMover && plMover->m_transport) // if we were on a transport, leave
{
plMover->m_transport->RemovePassenger(plMover);
plMover->m_transport = NULL;
movementInfo.t_x = 0.0f;
movementInfo.t_y = 0.0f;
movementInfo.t_z = 0.0f;
movementInfo.t_o = 0.0f;
movementInfo.t_time = 0;
movementInfo.t_seat = -1;
}
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight())
plMover->HandleFall(movementInfo);
if (plMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plMover->IsInWater())
{
// now client not include swimming flag in case jumping under water
plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.x, movementInfo.y, movementInfo.z) );
}
/*----------------------*/
/* process position-change */
recv_data.put<uint32>(6, getMSTime()); // fix time, offset flags(4) + unk(2)
WorldPacket data(recv_data.GetOpcode(), (mover->GetPackGUID().size()+recv_data.size()));
data.append(mover->GetPackGUID()); // use mover guid
data.append(recv_data.contents(), recv_data.size());
GetPlayer()->SendMessageToSet(&data, false);
if(plMover) // nothing is charmed, or player charmed
{
plMover->SetPosition(movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
plMover->m_movementInfo = movementInfo;
plMover->UpdateFallInformationIfNeed(movementInfo,recv_data.GetOpcode());
if(plMover->isMovingOrTurning())
plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
if(movementInfo.z < -500.0f)
{
if(plMover->InBattleGround()
&& plMover->GetBattleGround()
&& plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
{
// do nothing, the handle already did if returned true
}
else
{
// NOTE: this is actually called many times while falling
// even after the player has been teleported away
// TODO: discard movement packets after the player is rooted
if(plMover->isAlive())
{
plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
// pl can be alive if GM/etc
if(!plMover->isAlive())
{
// change the death state to CORPSE to prevent the death timer from
// starting in the next player update
plMover->KillPlayer();
plMover->BuildPlayerRepop();
}
}
// cancel the death timer here if started
plMover->RepopAtGraveyard();
}
}
}
else // creature charmed
{
if(Map *map = mover->GetMap())
map->CreatureRelocation((Creature*)mover, movementInfo.x, movementInfo.y, movementInfo.z, movementInfo.o);
mover->SetUnitMovementFlags(movementInfo.flags);
}
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
uint32 opcode = recv_data.GetOpcode();
sLog.outDebug("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
recv_data.hexlike();
Unit *mover = _player->m_mover;
Player *plMover = mover->GetTypeId() == TYPEID_PLAYER ? (Player*)mover : NULL;
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if(plMover && plMover->IsBeingTeleported())
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* extract packet */
ObjectGuid guid;
MovementInfo movementInfo;
recv_data >> guid.ReadAsPacked();
recv_data >> movementInfo;
/*----------------*/
if (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* handle special cases */
if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT) && !mover->GetVehicleGUID())
{
// transports size limited
// (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
if( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
// if we boarded a transport, add us to it
if (plMover && !plMover->m_transport)
{
float trans_rad = movementInfo.GetTransportPos()->x*movementInfo.GetTransportPos()->x + movementInfo.GetTransportPos()->y*movementInfo.GetTransportPos()->y + movementInfo.GetTransportPos()->z*movementInfo.GetTransportPos()->z;
if (trans_rad > 3600.0f) // transport radius = 60 yards //cheater with on_transport_flag
{
return;
}
// elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
{
if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid())
{
plMover->m_transport = (*iter);
(*iter)->AddPassenger(plMover);
break;
}
}
}
}
else if (plMover && plMover->m_transport) // if we were on a transport, leave
{
plMover->m_transport->RemovePassenger(plMover);
plMover->m_transport = NULL;
movementInfo.SetTransportData(0, 0.0f, 0.0f, 0.0f, 0.0f, 0, -1);
}
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight())
plMover->HandleFall(movementInfo);
if (plMover && (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater()))
{
// now client not include swimming flag in case jumping under water
plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) );
if(plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f))
{
plMover->m_anti_BeginFallZ=INVALID_HEIGHT;
}
}
if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING))
{
if(mover->GetTypeId() == TYPEID_UNIT)
{
if(((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim())
{
// NOTE : we should enter evade mode here, but...
((Vehicle*)mover)->SetSpawnDuration(1);
}
}
}
// ---- anti-cheat features -->>>
uint32 Anti_TeleTimeDiff=plMover ? time(NULL) - plMover->Anti__GetLastTeleTime() : time(NULL);
static const uint32 Anti_TeleTimeIgnoreDiff=sWorld.GetMvAnticheatIgnoreAfterTeleport();
if (plMover && (plMover->m_transport == 0) && sWorld.GetMvAnticheatEnable() &&
GetPlayer()->GetSession()->GetSecurity() <= sWorld.GetMvAnticheatGmLevel() &&
GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()!=FLIGHT_MOTION_TYPE &&
Anti_TeleTimeDiff>Anti_TeleTimeIgnoreDiff)
{
const uint32 CurTime=getMSTime();
if(getMSTimeDiff(GetPlayer()->m_anti_lastalarmtime,CurTime) > sWorld.GetMvAnticheatAlarmPeriod())
{
GetPlayer()->m_anti_alarmcount = 0;
}
/* I really don't care about movement-type yet (todo)
UnitMoveType move_type;
if (movementInfo.flags & MOVEMENTFLAG_FLYING) move_type = MOVE_FLY;
else if (movementInfo.flags & MOVEMENTFLAG_SWIMMING) move_type = MOVE_SWIM;
else if (movementInfo.flags & MOVEMENTFLAG_WALK_MODE) move_type = MOVE_WALK;
else move_type = MOVE_RUN;*/
float delta_x = GetPlayer()->GetPositionX() - movementInfo.GetPos()->x;
float delta_y = GetPlayer()->GetPositionY() - movementInfo.GetPos()->y;
float delta_z = GetPlayer()->GetPositionZ() - movementInfo.GetPos()->z;
float delta = sqrt(delta_x * delta_x + delta_y * delta_y); // Len of movement-vector via Pythagoras (a^2+b^2=Len^2)
float tg_z = 0.0f; //tangens
float delta_t = getMSTimeDiff(GetPlayer()->m_anti_lastmovetime,CurTime);
GetPlayer()->m_anti_lastmovetime = CurTime;
GetPlayer()->m_anti_MovedLen += delta;
if(delta_t > 15000.0f)
{ delta_t = 15000.0f; }
// Tangens of walking angel
if (!(movementInfo.GetMovementFlags() & (MOVEFLAG_FLYING | MOVEFLAG_SWIMMING)))
{
//Mount hack detection currently disabled
tg_z = ((delta !=0.0f) && (delta_z > 0.0f)) ? (atan((delta_z*delta_z) / delta) * 180.0f / M_PI) : 0.0f;
}
//antiOFF fall-damage, MOVEMENTFLAG_UNK4 seted by client if player try movement when falling and unset in this case the MOVEMENTFLAG_FALLING flag.
if((GetPlayer()->m_anti_BeginFallZ == INVALID_HEIGHT) &&
(movementInfo.GetMovementFlags() & (MOVEFLAG_FALLING | MOVEFLAG_FALLINGFAR)) != 0)
{
GetPlayer()->m_anti_BeginFallZ=(float)(movementInfo.GetPos()->z);
}
if(GetPlayer()->m_anti_NextLenCheck <= CurTime)
{
// Check every 500ms is a lot more advisable then 1000ms, because normal movment packet arrives every 500ms
uint32 OldNextLenCheck=GetPlayer()->m_anti_NextLenCheck;
float delta_xyt=GetPlayer()->m_anti_MovedLen/(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime));
GetPlayer()->m_anti_NextLenCheck = CurTime+500;
GetPlayer()->m_anti_MovedLen = 0.0f;
static const float MaxDeltaXYT = sWorld.GetMvAnticheatMaxXYT();
#ifdef __ANTI_DEBUG__
SendAreaTriggerMessage("XYT: %f ; Flags: %s",delta_xyt,FlagsToStr(movementInfo.GetMovementFlags()).c_str());
#endif //__ANTI_DEBUG__
if(delta_xyt > MaxDeltaXYT && delta<=100.0f && GetPlayer()->GetZoneId() != 2257)
{
Anti__CheatOccurred(CurTime,"Speed hack",delta_xyt,LookupOpcodeName(opcode),
(float)(GetPlayer()->GetMotionMaster()->GetCurrentMovementGeneratorType()),
(float)(getMSTimeDiff(OldNextLenCheck-500,CurTime))/*,&movementInfo*/);
}
}
if(delta > 100.0f && GetPlayer()->GetZoneId() != 2257)
{
Anti__ReportCheat("Tele hack",delta,LookupOpcodeName(opcode));
}
// Check for waterwalking . Fix new way of checking for waterwalking by Darky88
if (movementInfo.HasMovementFlag(MOVEFLAG_WATERWALKING) &&
!(GetPlayer()->HasAuraType(SPELL_AURA_WATER_WALK) || GetPlayer()->HasAuraType(SPELL_AURA_GHOST)))
{
Anti__CheatOccurred(CurTime,"Water walking",0.0f,NULL,0.0f,(uint32)(movementInfo.GetMovementFlags()));
}
// Check for walking upwards a mountain while not beeing able to do that
if ((tg_z > 85.0f))
{
Anti__CheatOccurred(CurTime,"Mount hack",tg_z,NULL,delta,delta_z);
}
static const float DIFF_OVERGROUND = 10.0f;
float Anti__GroundZ = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),MAX_HEIGHT);
float Anti__FloorZ = GetPlayer()->GetMap()->GetHeight(GetPlayer()->GetPositionX(),GetPlayer()->GetPositionY(),GetPlayer()->GetPositionZ());
float Anti__MapZ = ((Anti__FloorZ <= (INVALID_HEIGHT+5.0f)) ? Anti__GroundZ : Anti__FloorZ) + DIFF_OVERGROUND;
if(!GetPlayer()->CanFly() && /*!plMover->isGameMaster() &&*/
!GetPlayer()->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z-7.0f) &&
Anti__MapZ < GetPlayer()->GetPositionZ() && Anti__MapZ > (INVALID_HEIGHT+DIFF_OVERGROUND + 5.0f))
{
static const float DIFF_AIRJUMP=25.0f; // 25 is realy high, but to many false positives...
// Air-Jump-Detection definitively needs a better way to be detected...
if((movementInfo.GetMovementFlags() & (MOVEFLAG_CAN_FLY | MOVEFLAG_FLYING | MOVEFLAG_ROOT)) != 0) // Fly Hack
{
Anti__CheatOccurred(CurTime,"Fly hack",
((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_FLY))) +
((uint8)(GetPlayer()->HasAuraType(SPELL_AURA_MOD_FLIGHT_SPEED_MOUNTED))*2),
NULL,GetPlayer()->GetPositionZ()-Anti__MapZ);
}
/* Need a better way to do that - currently a lot of fake alarms
else if((Anti__MapZ+DIFF_AIRJUMP < GetPlayer()->GetPositionZ() &&
(movementInfo.flags & (MOVEMENTFLAG_FALLING | MOVEMENTFLAG_UNK4))==0) ||
(Anti__MapZ < GetPlayer()->GetPositionZ() &&
opcode==MSG_MOVE_JUMP))
{
Anti__CheatOccurred(CurTime,"Possible Air Jump Hack",
0.0f,LookupOpcodeName(opcode),0.0f,movementInfo.flags,&movementInfo);
}*/
}
/*if(Anti__FloorZ < -199900.0f && Anti__GroundZ >= -199900.0f &&
GetPlayer()->GetPositionZ()+5.0f < Anti__GroundZ)
{
Anti__CheatOccurred(CurTime,"Teleport2Plane hack",
GetPlayer()->GetPositionZ(),NULL,Anti__GroundZ);
}*/
}
// <<---- anti-cheat features
/* process position-change */
movementInfo.UpdateTime(getMSTime());
WorldPacket data(opcode, recv_data.size());
data.appendPackGUID(mover->GetGUID()); // write guid
movementInfo.Write(data); // write data
GetPlayer()->SendMessageToSet(&data, false);
if(plMover) // nothing is charmed, or player charmed
{
plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
plMover->m_movementInfo = movementInfo;
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
// after move info set
if ((opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE))
plMover->UpdateWalkMode(plMover, false);
if(plMover->isMovingOrTurning())
plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
if(movementInfo.GetPos()->z < -500.0f)
{
if(plMover->InBattleGround()
&& plMover->GetBattleGround()
&& plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
{
// do nothing, the handle already did if returned true
}
else
{
// NOTE: this is actually called many times while falling
// even after the player has been teleported away
// TODO: discard movement packets after the player is rooted
if(plMover->isAlive())
{
plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
// pl can be alive if GM/etc
if(!plMover->isAlive())
{
// change the death state to CORPSE to prevent the death timer from
// starting in the next player update
plMover->KillPlayer();
plMover->BuildPlayerRepop();
}
}
// cancel the death timer here if started
plMover->RepopAtGraveyard();
}
}
}
else // creature charmed
{
if(mover->IsInWorld())
mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
}
}
int WorldSocket::ProcessIncoming (WorldPacket* new_pct)
{
ACE_ASSERT (new_pct);
// manage memory ;)
ACE_Auto_Ptr<WorldPacket> aptr (new_pct);
const ACE_UINT16 opcode = new_pct->GetOpcode ();
if (closing_)
return -1;
// Dump received packet.
if (sWorldLog.LogWorld ())
{
sWorldLog.Log ("CLIENT:\nSOCKET: %u\nLENGTH: %u\nOPCODE: %s (0x%.4X)\nDATA:\n",
(uint32) get_handle (),
new_pct->size (),
LookupOpcodeName (new_pct->GetOpcode ()),
new_pct->GetOpcode ());
uint32 p = 0;
while (p < new_pct->size ())
{
for (uint32 j = 0; j < 16 && p < new_pct->size (); j++)
sWorldLog.Log ("%.2X ", (*new_pct)[p++]);
sWorldLog.Log ("\n");
}
sWorldLog.Log ("\n\n");
}
// like one switch ;)
if (opcode == CMSG_PING)
{
return HandlePing (*new_pct);
}
else if (opcode == CMSG_AUTH_SESSION)
{
if (m_Session)
{
sLog.outError ("WorldSocket::ProcessIncoming: Player send CMSG_AUTH_SESSION again");
return -1;
}
return HandleAuthSession (*new_pct);
}
else if (opcode == CMSG_KEEP_ALIVE)
{
DEBUG_LOG ("CMSG_KEEP_ALIVE ,size: %d", new_pct->size ());
return 0;
}
else
{
ACE_GUARD_RETURN (LockType, Guard, m_SessionLock, -1);
if (m_Session != NULL)
{
// OK ,give the packet to WorldSession
aptr.release ();
// WARNINIG here we call it with locks held.
// Its possible to cause deadlock if QueuePacket calls back
m_Session->QueuePacket (new_pct);
return 0;
}
else
{
sLog.outError ("WorldSocket::ProcessIncoming: Client not authed opcode = %u", uint32(opcode));
return -1;
}
}
ACE_NOTREACHED (return 0);
}
/// Send a packet to the client
void WorldSession::SendPacket(WorldPacket const* packet)
{
// Playerbot mod: send packet to bot AI
if (!sWorld.getConfig(CONFIG_BOOL_PLAYERBOT_DISABLE))
{
if (GetPlayer() && GetPlayer()->IsInWorld())
{
if (GetPlayer()->GetPlayerbotAI())
GetPlayer()->GetPlayerbotAI()->HandleBotOutgoingPacket(*packet);
else if (GetPlayer()->GetPlayerbotMgr())
GetPlayer()->GetPlayerbotMgr()->HandleMasterOutgoingPacket(*packet);
}
}
if (!m_Socket)
return;
if (opcodeTable[packet->GetOpcode()].status == STATUS_UNHANDLED)
{
DEBUG_LOG("SESSION: tried to send an unhandled opcode 0x%.4X", packet->GetOpcode());
return;
}
const_cast<WorldPacket*>(packet)->FlushBits();
#ifdef MANGOS_DEBUG
// Code for network use statistic
static uint64 sendPacketCount = 0;
static uint64 sendPacketBytes = 0;
static time_t firstTime = time(NULL);
static time_t lastTime = firstTime; // next 60 secs start time
static uint64 sendLastPacketCount = 0;
static uint64 sendLastPacketBytes = 0;
time_t cur_time = time(NULL);
if((cur_time - lastTime) < 60)
{
sendPacketCount+=1;
sendPacketBytes+=packet->size();
sendLastPacketCount+=1;
sendLastPacketBytes+=packet->size();
}
else
{
uint64 minTime = uint64(cur_time - lastTime);
uint64 fullTime = uint64(lastTime - firstTime);
DETAIL_LOG("Send all time packets count: " UI64FMTD " bytes: " UI64FMTD " avr.count/sec: %f avr.bytes/sec: %f time: %u",sendPacketCount,sendPacketBytes,float(sendPacketCount)/fullTime,float(sendPacketBytes)/fullTime,uint32(fullTime));
DETAIL_LOG("Send last min packets count: " UI64FMTD " bytes: " UI64FMTD " avr.count/sec: %f avr.bytes/sec: %f",sendLastPacketCount,sendLastPacketBytes,float(sendLastPacketCount)/minTime,float(sendLastPacketBytes)/minTime);
lastTime = cur_time;
sendLastPacketCount = 1;
sendLastPacketBytes = packet->wpos(); // wpos is real written size
}
#endif // !MANGOS_DEBUG
DEBUG_LOG("Send packet %u %s to %s", packet->GetOpcode(), LookupOpcodeName(packet->GetOpcode()), GetPlayer() ? GetPlayer()->GetGuidStr().c_str() : "<unknown>");
if (m_Socket->SendPacket (*packet) == -1)
m_Socket->CloseSocket ();
}
void WorldSession::HandleMovementOpcodes( WorldPacket & recv_data )
{
uint32 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 */
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);
WorldPacket data(opcode, recv_data.size());
data << mover->GetPackGUID(); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(&data, _player);
}
bool WorldSession::UpdateClientIO(uint32 diff, PacketFilter& updater)
{
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not process packets if socket already closed
WorldPacket* packet = NULL;
while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet, updater))
{
const OpcodeHandler* opHandle = opcodeTable[packet->GetOpcode()];
// !=NULL checked in WorldSocket
try
{
switch (opHandle->routing_node)
{
case ROUTE_NODE:
SendPacketToNode(packet);
break;
case ROUTE_BOTH:
SendPacketToNode(packet);
case ROUTE_LOGON:
{
switch (opHandle->status)
{
case STATUS_LOGGEDIN:
if (!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if (!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN", "the player has not logged in yet");
}
else if (_player->IsInWorld())
{
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle->handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT:
if (!_player && !m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT",
"the player has not logged in yet and not recently logout");
else
{
// not expected _player or must checked in packet hanlder
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle->handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_TRANSFER:
if (!_player)
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet");
else if (_player->IsInWorld())
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world");
else
{
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle->handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if (m_inQueue)
{
LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle->handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
break;
case STATUS_NEVER:
sLog->outError("SESSION (account: %u, guidlow: %u, char: %s): received not allowed opcode %s (0x%.4X)",
GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
break;
case STATUS_UNHANDLED:
sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION (account: %u, guidlow: %u, char: %s): received not handled opcode %s (0x%.4X)",
GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
break;
}
}
}
}
catch(ByteBufferException &)
{
sLog->outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if (sLog->IsOutDebug())
{
sLog->outDebug(LOG_FILTER_NETWORKIO, "Dumping error causing packet:");
packet->hexlike();
}
}
delete packet;
}
return 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);
}
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 /*diff*/)
{
if (m_Socket && m_Socket->IsClosed ())
{
m_Socket->RemoveReference ();
m_Socket = NULL;
}
WorldPacket *packet;
///- Retrieve packets from the receive queue and call the appropriate handlers
/// \todo Is there a way to consolidate the OpcondeHandlerTable and the g_worldOpcodeNames to only maintain 1 list?
/// answer : there is a way, but this is better, because it would use redundant RAM
while (!_recvQueue.empty())
{
packet = _recvQueue.next();
/*#if 1
sLog.outError( "MOEP: %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
#endif*/
if(packet->GetOpcode() >= NUM_MSG_TYPES)
{
sLog.outError( "SESSION: received non-existed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
}
else
{
OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()];
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if(!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if(!m_playerRecentlyLogout)
logUnexpectedOpcode(packet, "the player has not logged in yet");
}
else if(_player->IsInWorld())
(this->*opHandle.handler)(*packet);
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_TRANSFER_PENDING:
if(!_player)
logUnexpectedOpcode(packet, "the player has not logged in yet");
else if(_player->IsInWorld())
logUnexpectedOpcode(packet, "the player is still in world");
else
(this->*opHandle.handler)(*packet);
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if(m_inQueue)
{
logUnexpectedOpcode(packet, "the player not pass queue yet");
break;
}
m_playerRecentlyLogout = false;
(this->*opHandle.handler)(*packet);
break;
case STATUS_NEVER:
sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
}
}
delete packet;
}
///- If necessary, log the player out
time_t currTime = time(NULL);
if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading))
LogoutPlayer(true);
if (!m_Socket)
return false; //Will remove this session from the world session map
return true;
}
void WorldLog::LogPacket(uint32 len, uint16 opcode, const uint8* data, uint8 direction)
{
unsigned int count;
#ifdef ECHO_PACKET_LOG_TO_CONSOLE
DEBUG_LOG("WorldLog","[%s]: %s %s (0x%03X) of %u bytes.", direction ? "SERVER" : "CLIENT", direction ? "sent" : "received",
LookupOpcodeName(opcode), opcode, len);
#endif
if(bEnabled)
{
mutex.Acquire();
unsigned int line = 1;
unsigned int countpos = 0;
uint16 lenght = len;
fprintf(m_file, "{%s} Packet: (0x%04X) %s PacketSize = %u\n", (direction ? "SERVER" : "CLIENT"), opcode,
LookupOpcodeName(opcode), lenght);
fprintf(m_file, "|------------------------------------------------|----------------|\n");
fprintf(m_file, "|00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F |0123456789ABCDEF|\n");
fprintf(m_file, "|------------------------------------------------|----------------|\n");
if(lenght > 0)
{
fprintf(m_file, "|");
for (count = 0 ; count < lenght ; count++)
{
if (countpos == 16)
{
countpos = 0;
fprintf(m_file, "|");
for (unsigned int a = count-16; a < count;a++)
{
if ((data[a] < 32) || (data[a] > 126))
fprintf(m_file, ".");
else
fprintf(m_file, "%c",data[a]);
}
fprintf(m_file, "|\n");
line++;
fprintf(m_file, "|");
}
fprintf(m_file, "%02X ",data[count]);
//FIX TO PARSE PACKETS WITH LENGHT < OR = TO 16 BYTES.
if (count+1 == lenght && lenght <= 16)
{
for (unsigned int b = countpos+1; b < 16;b++)
fprintf(m_file, " ");
fprintf(m_file, "|");
for (unsigned int a = 0; a < lenght;a++)
{
if ((data[a] < 32) || (data[a] > 126))
fprintf(m_file, ".");
else
fprintf(m_file, "%c",data[a]);
}
for (unsigned int c = count; c < 15;c++)
fprintf(m_file, " ");
fprintf(m_file, "|\n");
}
//FIX TO PARSE THE LAST LINE OF THE PACKETS WHEN THE LENGHT IS > 16 AND ITS IN THE LAST LINE.
if (count+1 == lenght && lenght > 16)
{
for (unsigned int b = countpos+1; b < 16;b++)
fprintf(m_file, " ");
fprintf(m_file, "|");
unsigned short print = 0;
for (unsigned int a = line * 16 - 16; a < lenght;a++)
{
if ((data[a] < 32) || (data[a] > 126))
fprintf(m_file, ".");
else
fprintf(m_file, "%c",data[a]);
print++;
}
for (unsigned int c = print; c < 16;c++)
fprintf(m_file, " ");
fprintf(m_file, "|\n");
}
countpos++;
}
}
fprintf(m_file, "-------------------------------------------------------------------\n\n");
fflush(m_file);
mutex.Release();
}
if(bEnabledXml)
{
mutex.Acquire();
fprintf(m_xml, "<packet direction=\"%s\" opcode=\"%d\">", (direction ? "S2C" : "C2S"), opcode);
for (count = 0 ; count < len ; count++)
fprintf(m_xml, "%02X",data[count]);
fprintf(m_xml, "</packet>\n");
fflush(m_xml);
mutex.Release();
}
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(PacketFilter& updater)
{
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not process packets if socket already closed
WorldPacket* packet = NULL;
while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet, updater))
{
/*#if 1
sLog.outError( "MOEP: %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
#endif*/
OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()];
try
{
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if(!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if(!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
}
else if(_player->IsInWorld())
ExecuteOpcode(opHandle, packet);
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
// playerbot mod
if (!sWorld.getConfig(CONFIG_BOOL_PLAYERBOT_DISABLE))
if (_player && _player->GetPlayerbotMgr())
_player->GetPlayerbotMgr()->HandleMasterIncomingPacket(*packet);
// playerbot mod end
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGEDOUT:
if(!_player && !m_playerRecentlyLogout)
{
LogUnexpectedOpcode(packet, "the player has not logged in yet and not recently logout");
}
else
// not expected _player or must checked in packet hanlder
ExecuteOpcode(opHandle, packet);
break;
case STATUS_TRANSFER:
if(!_player)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
else if(_player->IsInWorld())
LogUnexpectedOpcode(packet, "the player is still in world");
else
ExecuteOpcode(opHandle, packet);
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if(m_inQueue)
{
LogUnexpectedOpcode(packet, "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
ExecuteOpcode(opHandle, packet);
break;
case STATUS_NEVER:
sLog.outError( "SESSION: received not allowed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
case STATUS_UNHANDLED:
DEBUG_LOG("SESSION: received not handled opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
default:
sLog.outError("SESSION: received wrong-status-req opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
}
}
catch (ByteBufferException &)
{
sLog.outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG))
{
DEBUG_LOG("Dumping error causing packet:");
packet->hexlike();
}
if (sWorld.getConfig(CONFIG_BOOL_KICK_PLAYER_ON_BAD_PACKET))
{
DETAIL_LOG("Disconnecting session [account id %u / address %s] for badly formatted packet.",
GetAccountId(), GetRemoteAddress().c_str());
KickPlayer();
}
}
delete packet;
}
// Playerbot mod - Process player bot packets
// The PlayerbotAI class adds to the packet queue to simulate a real player
// since Playerbots are known to the World obj only by its master's WorldSession object
// we need to process all master's bot's packets.
if (!sWorld.getConfig(CONFIG_BOOL_PLAYERBOT_DISABLE))
{
if (GetPlayer() && GetPlayer()->GetPlayerbotMgr())
{
for (PlayerBotMap::const_iterator itr = GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsBegin();
itr != GetPlayer()->GetPlayerbotMgr()->GetPlayerBotsEnd(); ++itr)
{
Player* const botPlayer = itr->second;
WorldSession* const pBotWorldSession = botPlayer->GetSession();
if (botPlayer->IsBeingTeleported())
botPlayer->GetPlayerbotAI()->HandleTeleportAck();
else if (botPlayer->IsInWorld())
{
WorldPacket* packet;
while (pBotWorldSession->_recvQueue.next(packet))
{
OpcodeHandler& opHandle = opcodeTable[packet->GetOpcode()];
(pBotWorldSession->*opHandle.handler)(*packet);
delete packet;
}
}
}
}
}
if (m_Socket && !m_Socket->IsClosed() && m_Warden && GetPlayer() && !GetPlayer()->GetPlayerbotAI())
m_Warden->Update();
///- Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed())
{
m_Socket->RemoveReference();
m_Socket = NULL;
}
//check if we are safe to proceed with logout
//logout procedure should happen only in World::UpdateSessions() method!!!
if(updater.ProcessLogout())
{
///- If necessary, log the player out
time_t currTime = time(NULL);
if (!m_Socket || (ShouldLogOut(currTime) && !m_playerLoading))
LogoutPlayer(true);
if (!m_Socket)
return false; //Will remove this session from the world session map
}
return true;
}
void WorldSession::HandleAutostoreLootItemOpcode(WorldPacket& recv_data)
{
DEBUG_LOG("WORLD: %s", LookupOpcodeName(recv_data.GetOpcode()));
Player* player = GetPlayer();
ObjectGuid lguid = player->GetLootGuid();
Loot* loot;
uint8 lootSlot;
Item* pItem = NULL;
recv_data >> lootSlot;
switch (lguid.GetHigh())
{
case HIGHGUID_GAMEOBJECT:
{
GameObject* go = player->GetMap()->GetGameObject(lguid);
// not check distance for GO in case owned GO (fishing bobber case, for example) or Fishing hole GO
if (!go || ((go->GetOwnerGuid() != _player->GetObjectGuid() && go->GetGoType() != GAMEOBJECT_TYPE_FISHINGHOLE) && !go->IsWithinDistInMap(_player, INTERACTION_DISTANCE)))
{
player->SendLootRelease(lguid);
return;
}
loot = &go->loot;
break;
}
case HIGHGUID_ITEM:
{
pItem = player->GetItemByGuid(lguid);
if (!pItem || !pItem->HasGeneratedLoot())
{
player->SendLootRelease(lguid);
return;
}
loot = &pItem->loot;
break;
}
case HIGHGUID_CORPSE:
{
Corpse* bones = player->GetMap()->GetCorpse(lguid);
if (!bones)
{
player->SendLootRelease(lguid);
return;
}
loot = &bones->loot;
break;
}
case HIGHGUID_UNIT:
case HIGHGUID_VEHICLE:
{
Creature* pCreature = GetPlayer()->GetMap()->GetCreature(lguid);
bool ok_loot = pCreature && pCreature->IsAlive() == (player->getClass() == CLASS_ROGUE && pCreature->lootForPickPocketed);
if (!ok_loot || !pCreature->IsWithinDistInMap(_player, INTERACTION_DISTANCE))
{
player->SendLootRelease(lguid);
return;
}
loot = &pCreature->loot;
break;
}
default:
{
sLog.outError("%s is unsupported for looting.", lguid.GetString().c_str());
return;
}
}
QuestItem* qitem = NULL;
QuestItem* ffaitem = NULL;
QuestItem* conditem = NULL;
QuestItem* currency = NULL;
LootItem* item = loot->LootItemInSlot(lootSlot, player, &qitem, &ffaitem, &conditem, ¤cy);
if (!item)
{
player->SendEquipError(EQUIP_ERR_ALREADY_LOOTED, NULL, NULL);
return;
}
// questitems use the blocked field for other purposes
if (!qitem && item->is_blocked)
{
player->SendLootRelease(lguid);
return;
}
if (pItem)
pItem->SetLootState(ITEM_LOOT_CHANGED);
if (currency)
{
if (CurrencyTypesEntry const * currencyEntry = sCurrencyTypesStore.LookupEntry(item->itemid))
player->ModifyCurrencyCount(item->itemid, int32(item->count * currencyEntry->GetPrecision()));
player->SendNotifyLootItemRemoved(lootSlot, true);
currency->is_looted = true;
--loot->unlootedCount;
return;
}
ItemPosCountVec dest;
InventoryResult msg = player->CanStoreNewItem(NULL_BAG, NULL_SLOT, dest, item->itemid, item->count);
if (msg == EQUIP_ERR_OK)
{
Item* newitem = player->StoreNewItem(dest, item->itemid, true, item->randomPropertyId);
if (qitem)
{
qitem->is_looted = true;
// freeforall is 1 if everyone's supposed to get the quest item.
if (item->freeforall || loot->GetPlayerQuestItems().size() == 1)
player->SendNotifyLootItemRemoved(lootSlot);
else
loot->NotifyQuestItemRemoved(qitem->index);
}
else
{
if (ffaitem)
{
// freeforall case, notify only one player of the removal
ffaitem->is_looted = true;
player->SendNotifyLootItemRemoved(lootSlot);
}
else
{
// not freeforall, notify everyone
if (conditem)
conditem->is_looted = true;
loot->NotifyItemRemoved(lootSlot);
}
}
// if only one person is supposed to loot the item, then set it to looted
if (!item->freeforall)
item->is_looted = true;
--loot->unlootedCount;
player->SendNewItem(newitem, uint32(item->count), false, false, true);
player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_LOOT_ITEM, item->itemid, item->count);
player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_LOOT_TYPE, loot->loot_type, item->count);
player->GetAchievementMgr().UpdateAchievementCriteria(ACHIEVEMENT_CRITERIA_TYPE_LOOT_EPIC_ITEM, item->itemid, item->count);
}
else
player->SendEquipError(msg, NULL, NULL, item->itemid);
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 diff, PacketFilter& updater)
{
/// Update Timeout timer.
UpdateTimeOutTime(diff);
///- Before we process anything:
/// If necessary, kick the player from the character select screen
if (IsConnectionIdle())
m_Socket->CloseSocket();
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not process packets if socket already closed
WorldPacket* packet = NULL;
//! Delete packet after processing by default
bool deletePacket = true;
//! To prevent infinite loop
WorldPacket* firstDelayedPacket = NULL;
//! If _recvQueue.peek() == firstDelayedPacket it means that in this Update call, we've processed all
//! *properly timed* packets, and we're now at the part of the queue where we find
//! delayed packets that were re-enqueued due to improper timing. To prevent an infinite
//! loop caused by re-enqueueing the same packets over and over again, we stop updating this session
//! and continue updating others. The re-enqueued packets will be handled in the next Update call for this session.
while (m_Socket && !m_Socket->IsClosed() &&
!_recvQueue.empty() && _recvQueue.peek(true) != firstDelayedPacket &&
_recvQueue.next(packet, updater))
{
if (packet->GetOpcode() >= NUM_MSG_TYPES)
{
sLog->outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
sScriptMgr->OnUnknownPacketReceive(m_Socket, WorldPacket(*packet));
}
else
{
OpcodeHandler &opHandle = opcodeTable[packet->GetOpcode()];
try
{
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if (!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
//! If player didn't log out a while ago, it means packets are being sent while the server does not recognize
//! the client to be in world yet. We will re-add the packets to the bottom of the queue and process them later.
if (!m_playerRecentlyLogout)
{
//! Prevent infinite loop
if (!firstDelayedPacket)
firstDelayedPacket = packet;
//! Because checking a bool is faster than reallocating memory
deletePacket = false;
QueuePacket(packet);
//! Log
sLog->outDebug(LOG_FILTER_NETWORKIO, "Re-enqueueing packet with opcode %s (0x%.4X) with with status STATUS_LOGGEDIN. "
"Player is currently not in world yet.", opHandle.name, packet->GetOpcode());
}
}
else if (_player->IsInWorld())
{
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT:
if (!_player && !m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT",
"the player has not logged in yet and not recently logout");
else
{
// not expected _player or must checked in packet handler
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_TRANSFER:
if (!_player)
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet");
else if (_player->IsInWorld())
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world");
else
{
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if (m_inQueue)
{
LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
break;
case STATUS_NEVER:
sLog->outError("SESSION (account: %u, guidlow: %u, char: %s): received not allowed opcode %s (0x%.4X)",
GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
break;
case STATUS_UNHANDLED:
sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION (account: %u, guidlow: %u, char: %s): received not handled opcode %s (0x%.4X)",
GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
break;
}
}
catch(ByteBufferException &)
{
sLog->outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if (sLog->IsOutDebug())
{
sLog->outDebug(LOG_FILTER_NETWORKIO, "Dumping error causing packet:");
packet->hexlike();
}
}
}
if (deletePacket)
delete packet;
}
if (m_Socket && !m_Socket->IsClosed() && _warden)
_warden->Update();
ProcessQueryCallbacks();
//check if we are safe to proceed with logout
//logout procedure should happen only in World::UpdateSessions() method!!!
if (updater.ProcessLogout())
{
time_t currTime = time(NULL);
///- If necessary, log the player out
if (ShouldLogOut(currTime) && !m_playerLoading)
LogoutPlayer(true);
if (m_Socket && GetPlayer() && _warden)
_warden->Update();
///- Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed())
{
m_Socket->RemoveReference();
m_Socket = NULL;
}
if (!m_Socket)
return false; //Will remove this session from the world session map
}
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 (!MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o))
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/* handle special cases */
if (movementInfo.HasMovementFlag(MOVEFLAG_ONTRANSPORT) && !mover->GetVehicleGUID())
{
// transports size limited
// (also received at zeppelin/lift leave by some reason with t_* as absolute in continent coordinates, can be safely skipped)
if ( movementInfo.GetTransportPos()->x > 50 || movementInfo.GetTransportPos()->y > 50 || movementInfo.GetTransportPos()->z > 100 )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
if ( !MaNGOS::IsValidMapCoord(movementInfo.GetPos()->x + movementInfo.GetTransportPos()->x, movementInfo.GetPos()->y + movementInfo.GetTransportPos()->y,
movementInfo.GetPos()->z + movementInfo.GetTransportPos()->z, movementInfo.GetPos()->o + movementInfo.GetTransportPos()->o) )
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
// if we boarded a transport, add us to it
if (plMover && !plMover->m_transport)
{
// elevators also cause the client to send MOVEFLAG_ONTRANSPORT - just unmount if the guid can be found in the transport list
for (MapManager::TransportSet::const_iterator iter = sMapMgr.m_Transports.begin(); iter != sMapMgr.m_Transports.end(); ++iter)
{
if ((*iter)->GetObjectGuid() == movementInfo.GetTransportGuid())
{
plMover->m_transport = (*iter);
(*iter)->AddPassenger(plMover);
break;
}
}
}
}
else if (plMover && plMover->m_transport) // if we were on a transport, leave
{
plMover->m_transport->RemovePassenger(plMover);
plMover->m_transport = NULL;
movementInfo.ClearTransportData();
}
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == MSG_MOVE_FALL_LAND && plMover && !plMover->isInFlight())
plMover->HandleFall(movementInfo);
if (plMover && (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING) != plMover->IsInWater()))
{
// now client not include swimming flag in case jumping under water
plMover->SetInWater( !plMover->IsInWater() || plMover->GetBaseMap()->IsUnderWater(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z) );
}
if (movementInfo.HasMovementFlag(MOVEFLAG_SWIMMING))
{
if (mover->GetTypeId() == TYPEID_UNIT)
{
if (((Creature*)mover)->isVehicle() && !((Creature*)mover)->canSwim())
{
// NOTE : we should enter evade mode here, but...
((Vehicle*)mover)->SetSpawnDuration(1);
}
}
}
/*----------------------*/
/* process position-change */
movementInfo.UpdateTime(getMSTime());
WorldPacket data(opcode, recv_data.size());
data.appendPackGUID(mover->GetGUID()); // write guid
movementInfo.Write(data); // write data
mover->SendMessageToSetExcept(&data, _player);
if (plMover) // nothing is charmed, or player charmed
{
plMover->SetPosition(movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
plMover->m_movementInfo = movementInfo;
plMover->UpdateFallInformationIfNeed(movementInfo, opcode);
// after move info set
if ((opcode == MSG_MOVE_SET_WALK_MODE || opcode == MSG_MOVE_SET_RUN_MODE))
plMover->UpdateWalkMode(plMover, false);
if (plMover->isMovingOrTurning())
plMover->RemoveSpellsCausingAura(SPELL_AURA_FEIGN_DEATH);
if (movementInfo.GetPos()->z < -500.0f ||
(_player->GetMapId() == 566 && movementInfo.GetPos()->z < 900.0f)) // EoTS is higher
{
if (plMover->InBattleGround()
&& plMover->GetBattleGround()
&& plMover->GetBattleGround()->HandlePlayerUnderMap(_player))
{
// do nothing, the handle already did if returned true
}
else
{
// NOTE: this is actually called many times while falling
// even after the player has been teleported away
// TODO: discard movement packets after the player is rooted
if (plMover->isAlive())
{
plMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, plMover->GetMaxHealth());
// pl can be alive if GM/etc
if (!plMover->isAlive())
{
// change the death state to CORPSE to prevent the death timer from
// starting in the next player update
plMover->KillPlayer();
plMover->BuildPlayerRepop();
}
}
// cancel the death timer here if started
plMover->RepopAtGraveyard();
}
}
}
else // creature charmed
{
if (mover->IsInWorld())
{
mover->GetMap()->CreatureRelocation((Creature*)mover, movementInfo.GetPos()->x, movementInfo.GetPos()->y, movementInfo.GetPos()->z, movementInfo.GetPos()->o);
if (((Creature*)mover)->isVehicle())
((Vehicle*)mover)->RellocatePassengers(mover->GetMap());
}
}
}
void WorldSession::Handle_ServerSide(WorldPacket& recvPacket)
{
sLog->outError("SESSION: received server-side opcode %s (0x%.4X)", LookupOpcodeName(recvPacket.GetOpcode()), recvPacket.GetOpcode());
}
int WorldSocket::ProcessIncoming(WorldPacket* new_pct)
{
MANGOS_ASSERT(new_pct);
// manage memory ;)
ACE_Auto_Ptr<WorldPacket> aptr(new_pct);
const ACE_UINT16 opcode = new_pct->GetOpcode();
if (opcode >= NUM_MSG_TYPES)
{
sLog.outError("SESSION: received nonexistent opcode 0x%.4X", opcode);
return -1;
}
if (closing_)
return -1;
// Dump received packet.
sLog.outWorldPacketDump(uint32(get_handle()), new_pct->GetOpcode(), LookupOpcodeName(new_pct->GetOpcode()), new_pct, true);
try
{
switch (opcode)
{
case CMSG_PING:
return HandlePing(*new_pct);
case CMSG_AUTH_SESSION:
if (m_Session)
{
sLog.outError("WorldSocket::ProcessIncoming: Player send CMSG_AUTH_SESSION again");
return -1;
}
return HandleAuthSession(*new_pct);
case CMSG_KEEP_ALIVE:
DEBUG_LOG("CMSG_KEEP_ALIVE ,size: " SIZEFMTD " ", new_pct->size());
return 0;
default:
{
ACE_GUARD_RETURN(LockType, Guard, m_SessionLock, -1);
if (m_Session != NULL)
{
// OK ,give the packet to WorldSession
aptr.release();
// WARNING here we call it with locks held.
// Its possible to cause deadlock if QueuePacket calls back
m_Session->QueuePacket(new_pct);
return 0;
}
else
{
sLog.outError("WorldSocket::ProcessIncoming: Client not authed opcode = %u", uint32(opcode));
return -1;
}
}
}
}
catch (ByteBufferException&)
{
sLog.outError("WorldSocket::ProcessIncoming ByteBufferException occured while parsing an instant handled packet (opcode: %u) from client %s, accountid=%i.",
opcode, GetRemoteAddress().c_str(), m_Session ? m_Session->GetAccountId() : -1);
if (sLog.HasLogLevelOrHigher(LOG_LVL_DEBUG))
{
DEBUG_LOG("Dumping error-causing packet:");
new_pct->hexlike();
}
if (sWorld.getConfig(CONFIG_BOOL_KICK_PLAYER_ON_BAD_PACKET))
{
DETAIL_LOG("Disconnecting session [account id %i / address %s] for badly formatted packet.",
m_Session ? m_Session->GetAccountId() : -1, GetRemoteAddress().c_str());
return -1;
}
else
return 0;
}
ACE_NOTREACHED(return 0);
}
void WorldSession::HandleForceSpeedChangeAckOpcodes(WorldPacket &recv_data)
{
uint32 opcode = recv_data.GetOpcode();
DEBUG_LOG("WORLD: Recvd %s (%u, 0x%X) opcode", LookupOpcodeName(opcode), opcode, opcode);
/* extract packet */
ObjectGuid guid;
MovementInfo movementInfo;
float newspeed;
recv_data >> guid.ReadAsPacked();
recv_data >> Unused<uint32>(); // counter or moveEvent
recv_data >> movementInfo;
recv_data >> newspeed;
// now can skip not our packet
if(_player->GetObjectGuid() != guid)
{
recv_data.rpos(recv_data.wpos()); // prevent warnings spam
return;
}
/*----------------*/
// 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(), _player->GetSpeed(move_type), newspeed);
_player->SetSpeedRate(move_type,_player->GetSpeedRate(move_type),true);
}
else // must be lesser - cheating
{
BASIC_LOG("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();
}
}
}
/// Send a packet to the client
void WorldSession::SendPacket(WorldPacket const *packet, bool nocheck)
{
if (!m_Socket)
return;
if (packet->GetOpcode() == UNKNOWN_OPCODE)
{
sLog->outError("Sending unknown opcode - prevented. Trace:");
ACE_Stack_Trace trace;
sLog->outError("%s", trace.c_str());
return;
}
#ifdef TRILLIUM_DEBUG
// Code for network use statistic
static uint64 sendPacketCount = 0;
static uint64 sendPacketBytes = 0;
static time_t firstTime = time(NULL);
static time_t lastTime = firstTime; // next 60 secs start time
static uint64 sendLastPacketCount = 0;
static uint64 sendLastPacketBytes = 0;
time_t cur_time = time(NULL);
if ((cur_time - lastTime) < 60)
{
sendPacketCount+=1;
sendPacketBytes+=packet->size();
sendLastPacketCount+=1;
sendLastPacketBytes+=packet->size();
}
else
{
uint64 minTime = uint64(cur_time - lastTime);
uint64 fullTime = uint64(lastTime - firstTime);
sLog->outDetail("Send all time packets count: " UI64FMTD " bytes: " UI64FMTD " avr.count/sec: %f avr.bytes/sec: %f time: %u", sendPacketCount, sendPacketBytes, float(sendPacketCount)/fullTime, float(sendPacketBytes)/fullTime, uint32(fullTime));
sLog->outDetail("Send last min packets count: " UI64FMTD " bytes: " UI64FMTD " avr.count/sec: %f avr.bytes/sec: %f", sendLastPacketCount, sendLastPacketBytes, float(sendLastPacketCount)/minTime, float(sendLastPacketBytes)/minTime);
lastTime = cur_time;
sendLastPacketCount = 1;
sendLastPacketBytes = packet->wpos(); // wpos is real written size
}
#endif
// !TRILLIUM_DEBUG
sLog->outString("SESSION: Try to SEND opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
if (nocheck)
{
if (m_Socket->SendPacket (*packet) == -1)
m_Socket->CloseSocket ();
}
else
{
if (packet->GetOpcode() > NUM_OPCODE_HANDLERS)
return;
const OpcodeHandler* handler = opcodeTable[packet->GetOpcode()];
try
{
switch (handler->blockout)
{
case ROUTE_NULL:
return;
case ROUTE_ALWAYS:
{
if (m_Socket->SendPacket (*packet) == -1)
m_Socket->CloseSocket ();
break;
}
case ROUTE_NO_NODE:
{
if (!m_redirected)
{
if (m_Socket->SendPacket (*packet) == -1)
m_Socket->CloseSocket ();
}
}
}
}
catch(ByteBufferException &)
{
sLog->outString("ERROR BY PACKET");
}
}
}
/// Logging helper for unexpected opcodes
void WorldSession::LogUnexpectedOpcode(WorldPacket *packet, const char* status, const char *reason)
{
sLog->outError("SESSION (account: %u, guidlow: %u, char: %s): received unexpected opcode %s (0x%.4X, status: %s) %s",
GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode(), status, reason);
}
bool WorldSession::UpdateNodeIO(uint32 diff, PacketFilter& updater)
{
WorldPacket* packet = NULL;
while (m_NodeSocket && _recvNodeQueue.next(packet))
{
sLog->outDebug (LOG_FILTER_NETWORKIO, "SESSION: REC NODE opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
/*if (packet->GetOpcode() >= NUM_MSG_TYPES)
{
sLog->outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
sScriptMgr->OnUnknownPacketReceive(m_Socket, WorldPacket(*packet));
}
else*/
{
const OpcodeHandler* opHandle = opcodeTable[packet->GetOpcode()];
try
{
switch (opHandle->routing_client)
{
case ROUTE_CLIENT:
SendPacket(packet, true);
break;
case ROUTE_LOGON:
(this->*opHandle->handler)(*packet);
break;
case ROUTE_BOTH:
SendPacket(packet, true);
(this->*opHandle->handler)(*packet);
break;
case ROUTE_NULL:
break;
}
}
catch(ByteBufferException &)
{
sLog->outError("WorldSession - Node::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if (sLog->IsOutDebug())
{
sLog->outDebug(LOG_FILTER_NETWORKIO, "Dumping error causing packet:");
packet->hexlike();
}
}
}
delete packet;
}
return true;
}
/// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 diff, PacketFilter& updater)
{
/// Update Timeout timer.
UpdateTimeOutTime(diff);
///- Before we process anything:
/// If necessary, kick the player from the character select screen
if (IsConnectionIdle())
m_Socket->CloseSocket();
///- Retrieve packets from the receive queue and call the appropriate handlers
/// not process packets if socket already closed
WorldPacket *packet = NULL;
while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet, updater))
{
// Show recieved opcodes only in debug mode
#ifdef STRAWBERRY_DEBUG
sLog->outString("SESSION: Received opcode 0x%.4X (%s)", packet->GetOpcode(), packet->GetOpcode() > 0xFFFF ? "Unknown Opcode" : LookupOpcodeName(packet->GetOpcode()));
#endif
if (packet->GetOpcode() >= NUM_MSG_TYPES)
{
sLog->outError("SESSION: received non-existed opcode %s (0x%.4X)", LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
sScriptMgr->OnUnknownPacketReceive(m_Socket, WorldPacket(*packet));
}
else
{
OpcodeHandler &opHandle = opcodeTable[packet->GetOpcode()];
try
{
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if (!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if (!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN", "the player has not logged in yet");
}
else if (_player->IsInWorld())
{
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT:
if (!_player && !m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT",
"the player has not logged in yet and not recently logout");
else
{
// not expected _player or must checked in packet hanlder
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_TRANSFER:
if (!_player)
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player has not logged in yet");
else if (_player->IsInWorld())
LogUnexpectedOpcode(packet, "STATUS_TRANSFER", "the player is still in world");
else
{
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
}
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if (m_inQueue)
{
LogUnexpectedOpcode(packet, "STATUS_AUTHED", "the player not pass queue yet");
break;
}
// single from authed time opcodes send in to after logout time
// and before other STATUS_LOGGEDIN_OR_RECENTLY_LOGGOUT opcodes.
if (packet->GetOpcode() != CMSG_SET_ACTIVE_VOICE_CHANNEL)
m_playerRecentlyLogout = false;
sScriptMgr->OnPacketReceive(m_Socket, WorldPacket(*packet));
(this->*opHandle.handler)(*packet);
if (sLog->IsOutDebug() && packet->rpos() < packet->wpos())
LogUnprocessedTail(packet);
break;
case STATUS_NEVER:
sLog->outError("SESSION (account: %u, guidlow: %u, char: %s): received not allowed opcode %s (0x%.4X)",
GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
break;
case STATUS_UNHANDLED:
sLog->outDebug(LOG_FILTER_NETWORKIO, "SESSION (account: %u, guidlow: %u, char: %s): received not handled opcode %s (0x%.4X)",
GetAccountId(), m_GUIDLow, _player ? _player->GetName() : "<none>",
LookupOpcodeName(packet->GetOpcode()), packet->GetOpcode());
break;
}
}
catch(ByteBufferException &)
{
sLog->outError("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if (sLog->IsOutDebug())
{
sLog->outDebug(LOG_FILTER_NETWORKIO, "Dumping error causing packet:");
packet->hexlike();
}
}
}
delete packet;
}
ProcessQueryCallbacks();
//check if we are safe to proceed with logout
//logout procedure should happen only in World::UpdateSessions() method!!!
if (updater.ProcessLogout())
{
time_t currTime = time(NULL);
///- If necessary, log the player out
if (ShouldLogOut(currTime) && !m_playerLoading)
LogoutPlayer(true);
///- Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed())
{
m_Socket->RemoveReference();
m_Socket = NULL;
}
if (!m_Socket)
return false; //Will remove this session from the world session map
}
return true;
}
// Update the WorldSession (triggered by World update)
bool WorldSession::Update(uint32 diff)
{
/// Update Timeout timer.
UpdateTimeOutTime(diff);
///- Before we process anything:
/// If necessary, kick the player from the character select screen
if (IsConnectionIdle())
m_Socket->CloseSocket();
// Retrieve packets from the receive queue and call the appropriate handlers
// not process packets if socket already closed
WorldPacket* packet;
while (m_Socket && !m_Socket->IsClosed() && _recvQueue.next(packet))
{
/*#if 1
sLog.outError("MOEP: %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
#endif*/
if (packet->GetOpcode() >= NUM_MSG_TYPES)
{
sLog.outDebug("SESSION: received invalid opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
}
else
{
OpcodeHandler const& opHandle = opcodeTable[packet->GetOpcode()];
try
{
switch (opHandle.status)
{
case STATUS_LOGGEDIN:
if (!_player)
{
// skip STATUS_LOGGEDIN opcode unexpected errors if player logout sometime ago - this can be network lag delayed packets
if (!m_playerRecentlyLogout)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
}
else if (_player->IsInWorld())
ExecuteOpcode(opHandle, packet);
// lag can cause STATUS_LOGGEDIN opcodes to arrive after the player started a transfer
break;
case STATUS_TRANSFER_PENDING:
if (!_player)
LogUnexpectedOpcode(packet, "the player has not logged in yet");
else if (_player->IsInWorld())
LogUnexpectedOpcode(packet, "the player is still in world");
else
ExecuteOpcode(opHandle, packet);
break;
case STATUS_AUTHED:
// prevent cheating with skip queue wait
if (m_inQueue)
{
LogUnexpectedOpcode(packet, "the player not pass queue yet");
break;
}
m_playerRecentlyLogout = false;
ExecuteOpcode(opHandle, packet);
break;
case STATUS_NEVER:
sLog.outDebug("SESSION: received not allowed opcode %s (0x%.4X)",
LookupOpcodeName(packet->GetOpcode()),
packet->GetOpcode());
break;
}
}
catch(ByteBufferException &)
{
sLog.outDebug("WorldSession::Update ByteBufferException occured while parsing a packet (opcode: %u) from client %s, accountid=%i. Skipped packet.",
packet->GetOpcode(), GetRemoteAddress().c_str(), GetAccountId());
if (sLog.IsOutDebug())
{
sLog.outDebug("Dumping error causing packet:");
packet->hexlike();
}
}
}
delete packet;
}
///- If necessary, log the player out
time_t currTime = time(NULL);
if (ShouldLogOut(currTime) && !m_playerLoading)
LogoutPlayer(true);
// Cleanup socket pointer if need
if (m_Socket && m_Socket->IsClosed())
{
m_Socket->RemoveReference();
m_Socket = NULL;
}
if (!m_Socket)
return false; //Will remove this session from the world session map
return true;
}
