private void OnInputFrame(TwitchUser user, string frame)
{
if (_activeUser.Equals(user))
{
_sink.Update(InputFrame.ParseInputString(frame));
}
}
private void ThreadLoop(object arg)
{
var portName = (string)arg;
_serialPort = new SerialPort
{
PortName = portName,
BaudRate = 19200,
Parity = Parity.None,
DataBits = 8,
StopBits = StopBits.One,
Handshake = Handshake.None,
ReadTimeout = 100,
WriteTimeout = 100
};
_serialPort.Open();
if (!Sync())
{
throw new Exception("Unable to sync");
}
Console.WriteLine("Synced");
var newFrame = new InputFrame();
while (true)
{
if (newFrame.Wait <= 0)
{
if (_queuedFrames.TryDequeue(out var queuedFrame))
{
newFrame = queuedFrame;
ApplyFrameToState(newFrame);
_callback?.Invoke(GetStateStr());
var packet = TranslateState(_state);
_serialPort.Write(packet, 0, packet.Length);
}
}
else
{
newFrame.Wait--;
}
var resp = _serialPort.ReadByte();
if (resp == 0x92)
{
Console.Error.WriteLine("NACK");
if (!Sync())
{
throw new Exception("Unable to sync after NACK");
}
}
else if (resp != 0x90)
{
// Unknown response
}
}
}
private void ApplyFrameToState(InputFrame frame)
{
_state = new SwitchInputState
{
Buttons = (_state.Buttons | (frame.PressedButtons ?? Button.None)) & ~(frame.ReleasedButtons ?? Button.None), // & ~(Button.Home | Button.Share),
DPad = frame.DPad ?? _state.DPad,
LeftX = frame.LeftX ?? _state.LeftX,
LeftY = frame.LeftY ?? _state.LeftY,
RightX = frame.RightX ?? _state.RightX,
RightY = frame.RightY ?? _state.RightY
};
}
public static InputFrame ParseInputString(string str)
{
var frame = new InputFrame();
var args = str.Split(' ');
foreach (var arg in args)
{
var kv = arg.Split('=');
if (kv.Length != 2)
{
throw new Exception($"Invalid input frame: {str}");
}
switch (kv[0])
{
case "P":
frame.PressedButtons = (Button)int.Parse(kv[1]);
break;
case "R":
frame.ReleasedButtons = (Button)int.Parse(kv[1]);
break;
case "D":
frame.DPad = (DPad)int.Parse(kv[1]);
break;
case "LX":
frame.LeftX = byte.Parse(kv[1]);
break;
case "LY":
frame.LeftY = byte.Parse(kv[1]);
break;
case "RX":
frame.RightX = byte.Parse(kv[1]);
break;
case "RY":
frame.RightY = byte.Parse(kv[1]);
break;
default:
throw new Exception($"Invalid frame modifier specified: {str}");
}
}
return(frame);
}
public void Reset()
{
var newFrame = new InputFrame
{
PressedButtons = Button.None,
ReleasedButtons = Button.All,
DPad = DPad.None,
LeftX = 128,
LeftY = 128,
RightX = 128,
RightY = 128
};
_queuedFrames = new ConcurrentQueue <InputFrame>();
Update(newFrame);
}
public void Update(InputFrame newFrame)
{
_queuedFrames.Enqueue(newFrame);
}