void WorldSession::HandleMovementOpcodes(WorldPackets::Movement::ClientPlayerMovement& packet)
{
OpcodeClient opcode = packet.GetOpcode();
Unit* mover = _player->m_mover;
ASSERT(mover != nullptr); // there must always be a mover
Player* plrMover = mover->ToPlayer();
// ignore, waiting processing in WorldSession::HandleMoveWorldportAckOpcode and WorldSession::HandleMoveTeleportAck
if (plrMover && plrMover->IsBeingTeleported())
return;
GetPlayer()->ValidateMovementInfo(&packet.movementInfo);
MovementInfo& movementInfo = packet.movementInfo;
// prevent tampered movement data
if (movementInfo.guid != mover->GetGUID())
{
TC_LOG_ERROR("network", "HandleMovementOpcodes: guid error");
return;
}
if (!movementInfo.pos.IsPositionValid())
{
TC_LOG_ERROR("network", "HandleMovementOpcodes: Invalid Position");
return;
}
// stop some emotes at player move
if (plrMover && (plrMover->GetUInt32Value(UNIT_NPC_EMOTESTATE) != 0))
plrMover->SetUInt32Value(UNIT_NPC_EMOTESTATE, EMOTE_ONESHOT_NONE);
/* handle special cases */
if (!movementInfo.transport.guid.IsEmpty())
{
// 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)
{
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()))
{
return;
}
// if we boarded a transport, add us to it
if (plrMover)
{
if (!plrMover->GetTransport())
{
if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
transport->AddPassenger(plrMover);
}
else if (plrMover->GetTransport()->GetGUID() != movementInfo.transport.guid)
{
plrMover->GetTransport()->RemovePassenger(plrMover);
if (Transport* transport = plrMover->GetMap()->GetTransport(movementInfo.transport.guid))
transport->AddPassenger(plrMover);
else
movementInfo.ResetTransport();
}
}
if (!mover->GetTransport() && !mover->GetVehicle())
{
GameObject* go = mover->GetMap()->GetGameObject(movementInfo.transport.guid);
if (!go || go->GetGoType() != GAMEOBJECT_TYPE_TRANSPORT)
movementInfo.transport.guid.Clear();
}
}
else if (plrMover && plrMover->GetTransport()) // if we were on a transport, leave
plrMover->m_transport->RemovePassenger(plrMover);
// fall damage generation (ignore in flight case that can be triggered also at lags in moment teleportation to another map).
if (opcode == CMSG_MOVE_FALL_LAND && plrMover && !plrMover->IsInFlight())
plrMover->HandleFall(movementInfo);
if (plrMover && ((movementInfo.flags & MOVEMENTFLAG_SWIMMING) != 0) != plrMover->IsInWater())
{
// now client not include swimming flag in case jumping under water
plrMover->SetInWater(!plrMover->IsInWater() || plrMover->GetBaseMap()->IsUnderWater(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY(), movementInfo.pos.GetPositionZ()));
}
uint32 mstime = getMSTime();
/*----------------------*/
if (m_clientTimeDelay == 0)
m_clientTimeDelay = mstime - movementInfo.time;
/* process position-change */
movementInfo.time = movementInfo.time + m_clientTimeDelay + MOVEMENT_PACKET_TIME_DELAY;
movementInfo.guid = mover->GetGUID();
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->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);
WorldPackets::Movement::MoveUpdate moveUpdate;
moveUpdate.movementInfo = &mover->m_movementInfo;
mover->SendMessageToSet(moveUpdate.Write(), _player);
if (plrMover) // nothing is charmed, or player charmed
{
if (plrMover->IsSitState() && (movementInfo.flags & (MOVEMENTFLAG_MASK_MOVING | MOVEMENTFLAG_MASK_TURNING)))
plrMover->SetStandState(UNIT_STAND_STATE_STAND);
plrMover->UpdateFallInformationIfNeed(movementInfo, opcode);
if (movementInfo.pos.GetPositionZ() < plrMover->GetMap()->GetMinHeight(movementInfo.pos.GetPositionX(), movementInfo.pos.GetPositionY()))
{
if (!(plrMover->GetBattleground() && plrMover->GetBattleground()->HandlePlayerUnderMap(_player)))
{
// NOTE: this is actually called many times while falling
// even after the player has been teleported away
/// @todo discard movement packets after the player is rooted
if (plrMover->IsAlive())
{
plrMover->SetFlag(PLAYER_FLAGS, PLAYER_FLAGS_IS_OUT_OF_BOUNDS);
plrMover->EnvironmentalDamage(DAMAGE_FALL_TO_VOID, GetPlayer()->GetMaxHealth());
// player can be alive if GM/etc
// change the death state to CORPSE to prevent the death timer from
// starting in the next player update
if (!plrMover->IsAlive())
plrMover->KillPlayer();
}
}
}
}
}
void WorldSession::HandleMovementOpcodes(WorldPackets::Movement::ClientPlayerMovement& packet)
{
HandleMovementOpcode(packet.GetOpcode(), packet.Status);
}