/// <summary>
/// Inserts an Input Command into the simulation.
/// </summary>
/// <param name="session">Player session that raised the command. On client, this is always the LocalPlayer session.</param>
/// <param name="function">Function that is being changed.</param>
/// <param name="message">Arguments for this event.</param>
/// <param name="replay">if true, current cmd state will not be checked or updated - use this for "replaying" an
/// old input that was saved or buffered until further processing could be done</param>
public bool HandleInputCommand(ICommonSession session, BoundKeyFunction function, FullInputCmdMessage message, bool replay = false)
{
#if DEBUG
var funcId = _inputManager.NetworkBindMap.KeyFunctionID(function);
DebugTools.Assert(funcId == message.InputFunctionId, "Function ID in message does not match function.");
#endif
if (!replay)
{
// set state, state change is updated regardless if it is locally bound
if (_cmdStates.GetState(function) == message.State)
{
return(false);
}
_cmdStates.SetState(function, message.State);
}
// handle local binds before sending off
foreach (var handler in BindRegistry.GetHandlers(function))
{
// local handlers can block sending over the network.
if (handler.HandleCmdMessage(session, message))
{
return(true);
}
}
// send it off to the server
DispatchInputCommand(message);
return(false);
}
/// <summary>
/// Handle a predicted input command.
/// </summary>
/// <param name="inputCmd">Input command to handle as predicted.</param>
public void PredictInputCommand(FullInputCmdMessage inputCmd)
{
DebugTools.AssertNotNull(_playerManager.LocalPlayer);
var keyFunc = _inputManager.NetworkBindMap.KeyFunctionName(inputCmd.InputFunctionId);
Predicted = true;
var session = _playerManager.LocalPlayer !.Session;
foreach (var handler in BindRegistry.GetHandlers(keyFunc))
{
if (handler.HandleCmdMessage(session, inputCmd))
{
break;
}
}
Predicted = false;
}
private void InputMessageHandler(InputCmdMessage message, EntitySessionEventArgs eventArgs)
{
if (!(message is FullInputCmdMessage msg))
{
return;
}
//Client Sanitization: out of bounds functionID
if (!_playerManager.KeyMap.TryGetKeyFunction(msg.InputFunctionId, out var function))
{
return;
}
//Client Sanitization: bad enum key state value
if (!Enum.IsDefined(typeof(BoundKeyState), msg.State))
{
return;
}
var session = (IPlayerSession)eventArgs.SenderSession;
if (_lastProcessedInputCmd[session] < msg.InputSequence)
{
_lastProcessedInputCmd[session] = msg.InputSequence;
}
// set state, only bound key functions get state changes
var states = GetInputStates(session);
states.SetState(function, msg.State);
// route the cmdMessage to the proper bind
//Client Sanitization: unbound command, just ignore
foreach (var handler in BindRegistry.GetHandlers(function))
{
if (handler.HandleCmdMessage(session, msg))
{
return;
}
}
}