public SteeringStep Update()
{
try {
if (_keyboard.Acquire().IsFailure)
{
return(null);
}
if (_keyboard.Poll().IsFailure)
{
return(null);
}
var state = _keyboard.GetCurrentState();
if (!IsKeyboardUpdateRequired(state))
{
return(null);
}
var step = new SteeringStep {
DirectionPercentage = VALOCITY, CamDirectionPercentage = VALOCITY
};
step.WithDirection(SteeringStep.MovingDirection.Left, state.PressedKeys.Contains(Key.A) && !state.PressedKeys.Contains(Key.D));
step.WithDirection(SteeringStep.MovingDirection.Right, !state.PressedKeys.Contains(Key.A) && state.PressedKeys.Contains(Key.D));
step.SpeedPercentage = state.PressedKeys.Contains(Key.W) ? VALOCITY : state.PressedKeys.Contains(Key.S) ? -VALOCITY : 0.0;
step.WithCamDirection(SteeringStep.CameraDirection.Up, state.PressedKeys.Contains(Key.UpArrow) && !state.PressedKeys.Contains(Key.DownArrow));
step.WithCamDirection(SteeringStep.CameraDirection.Down, state.PressedKeys.Contains(Key.DownArrow) && !state.PressedKeys.Contains(Key.UpArrow));
step.WithCamDirection(SteeringStep.CameraDirection.Left, state.PressedKeys.Contains(Key.LeftArrow) && !state.PressedKeys.Contains(Key.RightArrow));
step.WithCamDirection(SteeringStep.CameraDirection.Right, state.PressedKeys.Contains(Key.RightArrow) && !state.PressedKeys.Contains(Key.LeftArrow));
return(step);
} catch (Exception ex) {
Trace.TraceError("Could not poll keyboard event(s): {0}", ex.StackTrace);
return(null);
} finally { }
}
public void ExecuteStep(SteeringStep step)
{
var ip = new IPEndPoint(IPAddress.Broadcast, 1338);
var data = step.Serialize();
var crc = new Crc32();
var value = crc.ComputeChecksum(data);
step.Crc = value;
data = step.Serialize();
_socket.Send(data, data.Length, ip);
}
private void HandleStep(SteeringStep step)
{
Car.IsTopActive = step.SpeedPercentage > 0;
Car.IsBottomActive = step.SpeedPercentage < 0;
Car.IsRightActive = (step.Direction & SteeringStep.MovingDirection.Right) == SteeringStep.MovingDirection.Right;
Car.IsLeftActive = (step.Direction & SteeringStep.MovingDirection.Left) == SteeringStep.MovingDirection.Left;
Camera.IsTopActive = (step.CamDirection & SteeringStep.CameraDirection.Up) == SteeringStep.CameraDirection.Up;
Camera.IsBottomActive = (step.CamDirection & SteeringStep.CameraDirection.Down) == SteeringStep.CameraDirection.Down;
Camera.IsRightActive = (step.CamDirection & SteeringStep.CameraDirection.Right) == SteeringStep.CameraDirection.Right;
Camera.IsLeftActive = (step.CamDirection & SteeringStep.CameraDirection.Left) == SteeringStep.CameraDirection.Left;
_engine.ExecuteStep(step);
}
public SteeringStep Update()
{
var pad = GetCachedOrRetry();
if (pad == null)
{
return(null);
}
if (pad.Acquire().IsFailure)
{
return(null);
}
if (pad.Poll().IsFailure)
{
return(null);
}
var state = pad.GetCurrentState();
if (Result.Last.IsFailure)
{
return(null);
}
if (!IsGamepadUpdateRequired(state))
{
return(null);
}
var step = new SteeringStep();
step.SpeedPercentage = Percentage(state.RotationY, 65535, 0);
return(step);
}