refactor: preprocessors for wiimote and joycon compilation

SlidePresenter/GamepadReader/JoyConRead.cs

@@ -0,0 +1,94 @@
+#if JoyCon
+using System.Text;
+using HidSharp;
+using wtf.cluster.JoyCon;
+using wtf.cluster.JoyCon.ExtraData;
+using wtf.cluster.JoyCon.InputData;
+using wtf.cluster.JoyCon.InputReports;
+
+namespace ControllerSlidePresenter.GamepadReader;
+
+public class JoyConRead : IGamepadReader {
+	public event Action NextSlide;
+	public event Action PrevSlide;
+
+	public async Task Read() {
+		Console.OutputEncoding = Encoding.UTF8;
+
+		HidDevice? device = GetHidDevice();
+		if (device == null) {
+			Console.WriteLine("No controller. Please connect Joy-Con via Bluetooth.");
+			Console.WriteLine("Press any key to exit program.");
+			Console.ReadKey();
+			return;
+		}
+		JoyCon joycon = new(device);
+		joycon.Start();
+		await joycon.SetInputReportModeAsync(JoyCon.InputReportType.Simple);
+
+		await LogDeviceInfo(joycon);
+
+		joycon.ReportReceived += OnJoyConOnReportReceived;
+
+		joycon.StoppedOnError += (_, ex) => {
+			Console.WriteLine();
+			Console.WriteLine($"Critical error: {ex.Message}");
+			Console.WriteLine("Controller polling stopped.");
+			Environment.Exit(1);
+			return Task.CompletedTask;
+		};
+
+		Console.WriteLine("JoyCon ready for presenting.");
+		Console.WriteLine("Press Enter to exit program.");
+		while (Console.ReadKey().Key != ConsoleKey.Enter) {
+			await Task.Yield();
+		}
+		joycon.Stop();
+
+		Console.WriteLine();
+		Console.WriteLine("Stopped.");
+		await Task.CompletedTask;
+	}
+
+	private static async Task LogDeviceInfo(JoyCon joycon) {
+		DeviceInfo deviceInfo = await joycon.GetDeviceInfoAsync();
+		Console.WriteLine(
+			$"Type: {deviceInfo.ControllerType}, Firmware: {deviceInfo.FirmwareVersionMajor}.{deviceInfo.FirmwareVersionMinor}");
+		string? serial = await joycon.GetSerialNumberAsync();
+		Console.WriteLine($"Serial number: {serial ?? "<none>"}");
+		ControllerColors? colors = await joycon.GetColorsAsync();
+		Console.WriteLine(colors != null
+			? $"Body color: {colors.BodyColor}, buttons color: {colors.ButtonsColor}"
+			: "Colors not specified, seems like the controller is grey.");
+	}
+
+	private static HidDevice? GetHidDevice() {
+		DeviceList list = DeviceList.Local;
+		IEnumerable<HidDevice>? nintendos = list.GetHidDevices(0x057e);
+
+		return nintendos.FirstOrDefault();
+	}
+
+	private Task OnJoyConOnReportReceived(JoyCon _, IJoyConReport input) {
+		if (input is not InputSimple j) {
+			Console.WriteLine($"Invalid input report type: {input.GetType()}");
+			return Task.CompletedTask;
+		}
+
+		bool prev = PreviousPressed(j.Buttons);
+		bool next = NextPressed(j.Buttons);
+		if (prev)
+			PrevSlide?.Invoke();
+		if (next)
+			NextSlide?.Invoke();
+		return Task.CompletedTask;
+	}
+
+	private static bool PreviousPressed(ButtonsSimple input) {
+		return input.LorR || input.Left;
+	}
+	private static bool NextPressed(ButtonsSimple input) {
+		return input.ZLorZR || input.Down;
+	}
+}
+#endif