Setup entry point + integrated moonworks stuff
This commit is contained in:
224
Nerfed.Runtime/Input/Devices/GamePad.cs
Normal file
224
Nerfed.Runtime/Input/Devices/GamePad.cs
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@ -0,0 +1,224 @@
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using SDL2;
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namespace Nerfed.Runtime;
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public class GamePad
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{
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private const int maxGamePads = 4;
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private static readonly GamePad[] gamePads = new GamePad[maxGamePads];
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private static readonly GamePad dummy = new GamePad();
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public IntPtr Handle { get; private set; }
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public bool IsConnected => Handle != IntPtr.Zero;
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public int JoystickInstanceId { get; private set; } = -1;
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private readonly ButtonState[] buttonStates;
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private readonly ButtonState[] lastButtonStates;
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static GamePad()
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{
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for (int i = 0; i < maxGamePads; i++)
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{
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gamePads[i] = new GamePad();
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}
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}
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private GamePad()
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{
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int gamePadButtonCount = Enum.GetValues<GamePadButton>().Length;
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buttonStates = new ButtonState[gamePadButtonCount];
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lastButtonStates = new ButtonState[gamePadButtonCount];
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}
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public bool IsButtonDown(GamePadButton button)
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{
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return buttonStates[(int)button] == ButtonState.Pressed;
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}
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private void Register(IntPtr handle)
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{
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Handle = handle;
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IntPtr joystickHandle = SDL.SDL_GameControllerGetJoystick(handle);
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JoystickInstanceId = SDL.SDL_JoystickInstanceID(joystickHandle);
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Log.Info("Controller connected");
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}
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private void UnRegister()
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{
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Handle = IntPtr.Zero;
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JoystickInstanceId = -1;
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Log.Info("Controller disconnected");
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}
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public static GamePad Get(int slot)
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{
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return slot >= 0 && slot < maxGamePads ? gamePads[slot] : dummy;
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}
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internal static void Update()
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{
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for (int i = 0; i < maxGamePads; i++)
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{
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GamePad gamePad = gamePads[i];
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if (gamePad.IsConnected)
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{
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Array.Copy(gamePad.buttonStates, gamePad.lastButtonStates, gamePad.buttonStates.Length);
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}
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}
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}
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internal static void ProcessEvent(ref SDL.SDL_Event ev)
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{
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switch (ev.type)
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{
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case SDL.SDL_EventType.SDL_CONTROLLERDEVICEADDED:
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ProcessDeviceAdded(ref ev.cdevice);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERDEVICEREMOVED:
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ProcessDeviceRemoved(ref ev.cdevice);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERBUTTONDOWN:
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ProcessButtonDown(ref ev.cbutton);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERBUTTONUP:
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ProcessButtonUp(ref ev.cbutton);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERAXISMOTION:
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ProcessAxisMotion(ref ev.caxis);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERTOUCHPADDOWN:
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ProcessTouchPadDown(ref ev.ctouchpad);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERTOUCHPADUP:
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ProcessTouchPadUp(ref ev.ctouchpad);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERTOUCHPADMOTION:
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ProcessTouchPadMotion(ref ev.ctouchpad);
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break;
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case SDL.SDL_EventType.SDL_CONTROLLERSENSORUPDATE:
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ProcessSensorUpdate(ref ev.sensor);
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break;
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}
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}
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private static void ProcessDeviceAdded(ref SDL.SDL_ControllerDeviceEvent ev)
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{
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int index = ev.which;
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if (SDL.SDL_IsGameController(index) == SDL.SDL_bool.SDL_TRUE)
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{
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int slot = -1;
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for (int i = 0; i < maxGamePads; i++)
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{
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if (!gamePads[i].IsConnected)
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{
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slot = i;
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break;
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}
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}
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if (slot == -1)
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{
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Log.Warning("Too many gamepads connected");
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return;
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}
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IntPtr handle = SDL.SDL_GameControllerOpen(index);
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if (handle == IntPtr.Zero)
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{
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Log.Error($"Failed to open gamepad: {SDL.SDL_GetError()}");
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return;
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}
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gamePads[slot].Register(handle);
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}
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}
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private static GamePad GetByJoystickId(int joystickId)
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{
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for (int slot = 0; slot < maxGamePads; slot++)
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{
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GamePad gamePad = gamePads[slot];
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if (gamePad.IsConnected && gamePad.JoystickInstanceId == joystickId)
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{
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return gamePad;
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}
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}
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return null;
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}
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private static void ProcessDeviceRemoved(ref SDL.SDL_ControllerDeviceEvent ev)
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{
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GamePad gamePad = GetByJoystickId(ev.which);
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gamePad?.UnRegister();
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}
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private static void ProcessButtonDown(ref SDL.SDL_ControllerButtonEvent ev)
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{
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if (TryConvertButton(ev.button, out GamePadButton button))
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{
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GamePad gamePad = GetByJoystickId(ev.which);
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gamePad.buttonStates[(int)button] = ButtonState.Pressed;
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}
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}
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private static void ProcessButtonUp(ref SDL.SDL_ControllerButtonEvent ev)
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{
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if (TryConvertButton(ev.button, out GamePadButton button))
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{
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GamePad gamePad = GetByJoystickId(ev.which);
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gamePad.buttonStates[(int)button] = ButtonState.Released;
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}
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}
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private static void ProcessAxisMotion(ref SDL.SDL_ControllerAxisEvent ev)
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{
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}
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private static void ProcessTouchPadDown(ref SDL.SDL_ControllerTouchpadEvent ev)
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{
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}
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private static void ProcessTouchPadUp(ref SDL.SDL_ControllerTouchpadEvent ev)
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{
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}
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private static void ProcessTouchPadMotion(ref SDL.SDL_ControllerTouchpadEvent ev)
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{
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}
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private static void ProcessSensorUpdate(ref SDL.SDL_SensorEvent ev)
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{
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}
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private static bool TryConvertButton(byte rawButton, out GamePadButton button)
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{
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GamePadButton? result = rawButton switch
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{
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_A => GamePadButton.A,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_B => GamePadButton.B,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_X => GamePadButton.X,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_Y => GamePadButton.Y,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_BACK => GamePadButton.Back,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_START => GamePadButton.Start,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_LEFTSTICK => GamePadButton.LeftStick,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_RIGHTSTICK => GamePadButton.RightStick,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_LEFTSHOULDER => GamePadButton.LeftShoulder,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_RIGHTSHOULDER => GamePadButton.RightShoulder,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_UP => GamePadButton.DPadUp,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_DOWN => GamePadButton.DPadDown,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_LEFT => GamePadButton.DPadLeft,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_RIGHT => GamePadButton.DPadRight,
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(byte)SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_TOUCHPAD => GamePadButton.BigButton,
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_ => null
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};
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button = result.GetValueOrDefault();
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return result.HasValue;
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}
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}
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295
Nerfed.Runtime/Input/Devices/Keyboard.cs
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295
Nerfed.Runtime/Input/Devices/Keyboard.cs
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@ -0,0 +1,295 @@
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using System.Runtime.InteropServices;
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using System.Text;
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using SDL2;
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namespace Nerfed.Runtime;
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public static class Keyboard
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{
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private static readonly List<char> textInput = new List<char>();
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private const int maxPressedKeys = 8;
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private static readonly List<Key> keys = new List<Key>(maxPressedKeys);
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private static readonly List<Key> lastKeys = new List<Key>(maxPressedKeys);
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/// <summary>
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/// True if the key was pressed or continued to be held down this frame.
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/// </summary>
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/// <param name="key"></param>
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/// <returns></returns>
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public static bool IsKeyDown(Key key)
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{
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return HasKey(keys, key);
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}
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/// <summary>
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/// True if the key was pressed this frame.
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/// </summary>
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public static bool IsKeyPressed(Key key)
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{
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return HasKey(keys, key) && !HasKey(lastKeys, key);
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}
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/// <summary>
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/// True if the key was released or continued to be released this frame.
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/// </summary>
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public static bool IsKeyUp(Key key)
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{
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return !HasKey(keys, key);
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}
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/// <summary>
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/// True if the key was released this frame.
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/// </summary>
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public static bool IsKeyReleased(Key key)
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{
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return !HasKey(keys, key) && HasKey(lastKeys, key);
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}
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public static ReadOnlySpan<Key> GetPressedKeys()
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{
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return CollectionsMarshal.AsSpan(keys);
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}
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public static ReadOnlySpan<char> GetTextInput()
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{
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return CollectionsMarshal.AsSpan(textInput);
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}
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internal static void Update()
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{
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textInput.Clear();
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lastKeys.Clear();
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if (keys.Count > 0)
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{
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lastKeys.AddRange(keys);
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}
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}
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private static bool HasKey(List<Key> list, Key key)
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{
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for (int i = 0; i < list.Count; i++)
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{
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if (keys[i] == key)
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{
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return true;
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}
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}
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return false;
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}
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internal static void ProcessEvent(ref SDL.SDL_Event ev)
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{
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switch (ev.type)
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{
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case SDL.SDL_EventType.SDL_TEXTINPUT:
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ProcessTextInputEvent(ref ev.text);
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break;
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case SDL.SDL_EventType.SDL_KEYDOWN:
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ProcessKeyDownEvent(ref ev.key);
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break;
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case SDL.SDL_EventType.SDL_KEYUP:
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ProcessKeyUpEvent(ref ev.key);
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break;
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}
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}
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private static unsafe void ProcessTextInputEvent(ref SDL.SDL_TextInputEvent evt)
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{
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// Based on the SDL2# LPUtf8StrMarshaler
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int MeasureStringLength(byte* ptr)
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{
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int bytes;
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for (bytes = 0; *ptr != 0; ptr += 1, bytes += 1) ;
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return bytes;
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}
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fixed (byte* textPtr = evt.text)
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{
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int bytes = MeasureStringLength(textPtr);
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if (bytes > 0)
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{
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/* UTF8 will never encode more characters
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* than bytes in a string, so bytes is a
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* suitable upper estimate of size needed
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*/
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char* charsBuffer = stackalloc char[bytes];
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int chars = Encoding.UTF8.GetChars(
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textPtr,
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bytes,
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charsBuffer,
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bytes
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);
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if (chars > 0)
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{
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textInput.AddRange(new ReadOnlySpan<char>(charsBuffer, chars));
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}
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}
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}
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}
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private static void ProcessKeyDownEvent(ref SDL.SDL_KeyboardEvent ev)
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{
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Key key = ConvertScancode(ev.keysym.scancode);
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SetKeyState(key, KeyState.Down);
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}
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private static void ProcessKeyUpEvent(ref SDL.SDL_KeyboardEvent ev)
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{
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Key key = ConvertScancode(ev.keysym.scancode);
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SetKeyState(key, KeyState.Up);
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}
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public static void SetKeyState(Key key, KeyState state)
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{
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if (keys.Count >= maxPressedKeys)
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{
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return;
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}
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if (state == KeyState.Down)
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{
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if (!keys.Contains(key))
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{
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keys.Add(key);
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}
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}
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else if (state == KeyState.Up)
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{
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keys.Remove(key);
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}
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}
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private static Key ConvertScancode(SDL.SDL_Scancode scancode)
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{
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switch (scancode)
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{
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case SDL.SDL_Scancode.SDL_SCANCODE_A: return Key.A;
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case SDL.SDL_Scancode.SDL_SCANCODE_B: return Key.B;
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case SDL.SDL_Scancode.SDL_SCANCODE_C: return Key.C;
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case SDL.SDL_Scancode.SDL_SCANCODE_D: return Key.D;
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case SDL.SDL_Scancode.SDL_SCANCODE_E: return Key.E;
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case SDL.SDL_Scancode.SDL_SCANCODE_F: return Key.F;
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case SDL.SDL_Scancode.SDL_SCANCODE_G: return Key.G;
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case SDL.SDL_Scancode.SDL_SCANCODE_H: return Key.H;
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case SDL.SDL_Scancode.SDL_SCANCODE_I: return Key.I;
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case SDL.SDL_Scancode.SDL_SCANCODE_J: return Key.J;
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case SDL.SDL_Scancode.SDL_SCANCODE_K: return Key.K;
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case SDL.SDL_Scancode.SDL_SCANCODE_L: return Key.L;
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case SDL.SDL_Scancode.SDL_SCANCODE_M: return Key.M;
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case SDL.SDL_Scancode.SDL_SCANCODE_N: return Key.N;
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case SDL.SDL_Scancode.SDL_SCANCODE_O: return Key.O;
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case SDL.SDL_Scancode.SDL_SCANCODE_P: return Key.P;
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case SDL.SDL_Scancode.SDL_SCANCODE_Q: return Key.Q;
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case SDL.SDL_Scancode.SDL_SCANCODE_R: return Key.R;
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case SDL.SDL_Scancode.SDL_SCANCODE_S: return Key.S;
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case SDL.SDL_Scancode.SDL_SCANCODE_T: return Key.T;
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case SDL.SDL_Scancode.SDL_SCANCODE_U: return Key.U;
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case SDL.SDL_Scancode.SDL_SCANCODE_V: return Key.V;
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case SDL.SDL_Scancode.SDL_SCANCODE_W: return Key.W;
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case SDL.SDL_Scancode.SDL_SCANCODE_X: return Key.X;
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case SDL.SDL_Scancode.SDL_SCANCODE_Y: return Key.Y;
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case SDL.SDL_Scancode.SDL_SCANCODE_Z: return Key.Z;
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case SDL.SDL_Scancode.SDL_SCANCODE_1: return Key.D1;
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case SDL.SDL_Scancode.SDL_SCANCODE_2: return Key.D2;
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case SDL.SDL_Scancode.SDL_SCANCODE_3: return Key.D3;
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case SDL.SDL_Scancode.SDL_SCANCODE_4: return Key.D4;
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case SDL.SDL_Scancode.SDL_SCANCODE_5: return Key.D5;
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case SDL.SDL_Scancode.SDL_SCANCODE_6: return Key.D6;
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case SDL.SDL_Scancode.SDL_SCANCODE_7: return Key.D7;
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case SDL.SDL_Scancode.SDL_SCANCODE_8: return Key.D8;
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case SDL.SDL_Scancode.SDL_SCANCODE_9: return Key.D9;
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case SDL.SDL_Scancode.SDL_SCANCODE_0: return Key.D0;
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case SDL.SDL_Scancode.SDL_SCANCODE_RETURN: return Key.Enter;
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case SDL.SDL_Scancode.SDL_SCANCODE_ESCAPE: return Key.Escape;
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case SDL.SDL_Scancode.SDL_SCANCODE_BACKSPACE: return Key.Backspace;
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case SDL.SDL_Scancode.SDL_SCANCODE_TAB: return Key.Tab;
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case SDL.SDL_Scancode.SDL_SCANCODE_SPACE: return Key.Space;
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case SDL.SDL_Scancode.SDL_SCANCODE_MINUS: return Key.Minus;
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case SDL.SDL_Scancode.SDL_SCANCODE_EQUALS: return Key.Equals;
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case SDL.SDL_Scancode.SDL_SCANCODE_LEFTBRACKET: return Key.LeftBracket;
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case SDL.SDL_Scancode.SDL_SCANCODE_RIGHTBRACKET: return Key.RightBracket;
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case SDL.SDL_Scancode.SDL_SCANCODE_BACKSLASH: return Key.Backslash;
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case SDL.SDL_Scancode.SDL_SCANCODE_SEMICOLON: return Key.Semicolon;
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case SDL.SDL_Scancode.SDL_SCANCODE_APOSTROPHE: return Key.Apostrophe;
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case SDL.SDL_Scancode.SDL_SCANCODE_GRAVE: return Key.Tilde;
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case SDL.SDL_Scancode.SDL_SCANCODE_COMMA: return Key.Comma;
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case SDL.SDL_Scancode.SDL_SCANCODE_PERIOD: return Key.Period;
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case SDL.SDL_Scancode.SDL_SCANCODE_SLASH: return Key.Slash;
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case SDL.SDL_Scancode.SDL_SCANCODE_CAPSLOCK: return Key.CapsLock;
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case SDL.SDL_Scancode.SDL_SCANCODE_F1: return Key.F1;
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case SDL.SDL_Scancode.SDL_SCANCODE_F2: return Key.F2;
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case SDL.SDL_Scancode.SDL_SCANCODE_F3: return Key.F3;
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case SDL.SDL_Scancode.SDL_SCANCODE_F4: return Key.F4;
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case SDL.SDL_Scancode.SDL_SCANCODE_F5: return Key.F5;
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case SDL.SDL_Scancode.SDL_SCANCODE_F6: return Key.F6;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F7: return Key.F7;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F8: return Key.F8;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F9: return Key.F9;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F10: return Key.F10;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F11: return Key.F11;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F12: return Key.F12;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_PRINTSCREEN: return Key.PrintScreen;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_SCROLLLOCK: return Key.Scroll;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_PAUSE: return Key.Pause;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_INSERT: return Key.Insert;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_HOME: return Key.Home;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_PAGEUP: return Key.PageUp;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_DELETE: return Key.Delete;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_END: return Key.End;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_PAGEDOWN: return Key.PageDown;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_RIGHT: return Key.Right;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_LEFT: return Key.Left;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_DOWN: return Key.Down;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_UP: return Key.Up;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_NUMLOCKCLEAR: return Key.NumLock;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_DIVIDE: return Key.Divide;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_MULTIPLY: return Key.Multiply;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_MINUS: return Key.Subtract;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_PLUS: return Key.Add;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_ENTER: return Key.Enter;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_1: return Key.NumPad1;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_2: return Key.NumPad2;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_3: return Key.NumPad3;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_4: return Key.NumPad4;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_5: return Key.NumPad5;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_6: return Key.NumPad6;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_7: return Key.NumPad7;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_8: return Key.NumPad8;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_9: return Key.NumPad9;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_0: return Key.NumPad0;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_PERIOD: return Key.Period;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_APPLICATION: return Key.Apps;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_EQUALS: return Key.Equals;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F13: return Key.F13;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F14: return Key.F14;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F15: return Key.F15;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F16: return Key.F16;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F17: return Key.F17;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F18: return Key.F18;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F19: return Key.F19;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F20: return Key.F20;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F21: return Key.F21;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F22: return Key.F22;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F23: return Key.F23;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_F24: return Key.F24;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_EXECUTE: return Key.Execute;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_HELP: return Key.Help;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_MENU: return Key.Apps;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_SELECT: return Key.Select;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_KP_COMMA: return Key.Comma;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_LCTRL: return Key.LeftControl;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_LSHIFT: return Key.LeftShift;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_LALT: return Key.LeftAlt;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_LGUI: return Key.LeftSuper;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_RCTRL: return Key.RightControl;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_RSHIFT: return Key.RightShift;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_RALT: return Key.RightAlt;
|
||||
case SDL.SDL_Scancode.SDL_SCANCODE_RGUI: return Key.RightSuper;
|
||||
default: return Key.None;
|
||||
}
|
||||
}
|
||||
}
|
||||
132
Nerfed.Runtime/Input/Devices/Mouse.cs
Normal file
132
Nerfed.Runtime/Input/Devices/Mouse.cs
Normal file
@ -0,0 +1,132 @@
|
||||
using System.Numerics;
|
||||
using SDL2;
|
||||
|
||||
namespace Nerfed.Runtime;
|
||||
|
||||
internal static class Mouse
|
||||
{
|
||||
public static Vector2 Position { get; private set; }
|
||||
|
||||
private static readonly ButtonState[] buttonStates;
|
||||
private static readonly ButtonState[] lastButtonStates;
|
||||
private static int wheelX;
|
||||
private static int wheelY;
|
||||
|
||||
static Mouse()
|
||||
{
|
||||
int numButtons = Enum.GetValues<MouseButton>().Length;
|
||||
buttonStates = new ButtonState[numButtons];
|
||||
lastButtonStates = new ButtonState[numButtons];
|
||||
}
|
||||
|
||||
/// /// <summary>
|
||||
/// True if the button is pressed or continued to be held this frame.
|
||||
/// </summary>
|
||||
public static bool IsButtonDown(MouseButton button)
|
||||
{
|
||||
return buttonStates[(int)button] == ButtonState.Pressed;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// True if the button is pressed this frame.
|
||||
/// </summary>
|
||||
public static bool IsButtonPressed(MouseButton button)
|
||||
{
|
||||
return buttonStates[(int)button] == ButtonState.Pressed && lastButtonStates[(int)button] == ButtonState.Released;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// True if the button is released or continued to be released this frame.
|
||||
/// </summary>
|
||||
/// <param name="button"></param>
|
||||
/// <returns></returns>
|
||||
public static bool IsButtonUp(MouseButton button)
|
||||
{
|
||||
return buttonStates[(int)button] == ButtonState.Released;
|
||||
}
|
||||
|
||||
/// <summary>
|
||||
/// True if the button is released this frame.
|
||||
/// </summary>
|
||||
public static bool IsButtonReleased(MouseButton button)
|
||||
{
|
||||
return buttonStates[(int)button] == ButtonState.Released && lastButtonStates[(int)button] == ButtonState.Pressed;
|
||||
}
|
||||
|
||||
public static int GetWheel()
|
||||
{
|
||||
return wheelY;
|
||||
}
|
||||
|
||||
public static int GetWheelHorizontal()
|
||||
{
|
||||
return wheelX;
|
||||
}
|
||||
|
||||
internal static void Update()
|
||||
{
|
||||
Array.Copy(buttonStates, lastButtonStates, buttonStates.Length);
|
||||
}
|
||||
|
||||
internal static void ProcessEvent(ref SDL.SDL_Event ev)
|
||||
{
|
||||
switch (ev.type)
|
||||
{
|
||||
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
|
||||
ProcessButtonDownEvent(ref ev.button);
|
||||
break;
|
||||
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
|
||||
ProcessButtonUpEvent(ref ev.button);
|
||||
break;
|
||||
case SDL.SDL_EventType.SDL_MOUSEWHEEL:
|
||||
ProcessWheelEvent(ref ev.wheel);
|
||||
break;
|
||||
case SDL.SDL_EventType.SDL_MOUSEMOTION:
|
||||
ProcessMotionEvent(ref ev.motion);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
private static void ProcessButtonDownEvent(ref SDL.SDL_MouseButtonEvent ev)
|
||||
{
|
||||
if (TryConvertButton(ev.button, out MouseButton button))
|
||||
{
|
||||
buttonStates[(int)button] = ButtonState.Pressed;
|
||||
}
|
||||
}
|
||||
|
||||
private static void ProcessButtonUpEvent(ref SDL.SDL_MouseButtonEvent ev)
|
||||
{
|
||||
if (TryConvertButton(ev.button, out MouseButton button))
|
||||
{
|
||||
buttonStates[(int)button] = ButtonState.Released;
|
||||
}
|
||||
}
|
||||
|
||||
private static void ProcessWheelEvent(ref SDL.SDL_MouseWheelEvent ev)
|
||||
{
|
||||
wheelX += ev.x;
|
||||
wheelY += ev.y;
|
||||
}
|
||||
|
||||
private static void ProcessMotionEvent(ref SDL.SDL_MouseMotionEvent ev)
|
||||
{
|
||||
Position = new Vector2(ev.x, ev.y);
|
||||
}
|
||||
|
||||
private static bool TryConvertButton(byte rawButton, out MouseButton button)
|
||||
{
|
||||
MouseButton? result = rawButton switch
|
||||
{
|
||||
(byte)SDL.SDL_BUTTON_LEFT => MouseButton.Left,
|
||||
(byte)SDL.SDL_BUTTON_MIDDLE => MouseButton.Middle,
|
||||
(byte)SDL.SDL_BUTTON_RIGHT => MouseButton.Right,
|
||||
(byte)SDL.SDL_BUTTON_X1 => MouseButton.XButton1,
|
||||
(byte)SDL.SDL_BUTTON_X2 => MouseButton.XButton2,
|
||||
_ => null
|
||||
};
|
||||
|
||||
button = result.GetValueOrDefault();
|
||||
return result.HasValue;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user