406 lines
15 KiB
C#
406 lines
15 KiB
C#
using Ryujinx.Common.Configuration.Hid;
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using Ryujinx.Common.Configuration.Hid.Keyboard;
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Numerics;
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using System.Runtime.CompilerServices;
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using System.Threading;
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using static SDL3.SDL;
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using ConfigKey = Ryujinx.Common.Configuration.Hid.Key;
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namespace Ryujinx.Input.SDL3
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{
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class SDL3Keyboard : IKeyboard
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{
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private readonly record struct ButtonMappingEntry(GamepadButtonInputId To, Key From)
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{
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public bool IsValid => To is not GamepadButtonInputId.Unbound && From is not Key.Unbound;
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}
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private readonly Lock _userMappingLock = new();
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#pragma warning disable IDE0052 // Remove unread private member
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private readonly SDL3KeyboardDriver _driver;
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#pragma warning restore IDE0052
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private StandardKeyboardInputConfig _configuration;
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private readonly List<ButtonMappingEntry> _buttonsUserMapping;
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private static readonly SDL_Keycode[] _keysDriverMapping = new SDL_Keycode[(int)Key.Count]
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{
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// INVALID
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SDL_Keycode.SDLK_0,
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// Presented as modifiers, so invalid here.
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_F1,
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SDL_Keycode.SDLK_F2,
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SDL_Keycode.SDLK_F3,
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SDL_Keycode.SDLK_F4,
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SDL_Keycode.SDLK_F5,
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SDL_Keycode.SDLK_F6,
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SDL_Keycode.SDLK_F7,
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SDL_Keycode.SDLK_F8,
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SDL_Keycode.SDLK_F9,
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SDL_Keycode.SDLK_F10,
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SDL_Keycode.SDLK_F11,
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SDL_Keycode.SDLK_F12,
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SDL_Keycode.SDLK_F13,
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SDL_Keycode.SDLK_F14,
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SDL_Keycode.SDLK_F15,
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SDL_Keycode.SDLK_F16,
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SDL_Keycode.SDLK_F17,
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SDL_Keycode.SDLK_F18,
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SDL_Keycode.SDLK_F19,
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SDL_Keycode.SDLK_F20,
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SDL_Keycode.SDLK_F21,
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SDL_Keycode.SDLK_F22,
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SDL_Keycode.SDLK_F23,
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SDL_Keycode.SDLK_F24,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_UP,
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SDL_Keycode.SDLK_DOWN,
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SDL_Keycode.SDLK_LEFT,
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SDL_Keycode.SDLK_RIGHT,
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SDL_Keycode.SDLK_RETURN,
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SDL_Keycode.SDLK_ESCAPE,
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SDL_Keycode.SDLK_SPACE,
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SDL_Keycode.SDLK_TAB,
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SDL_Keycode.SDLK_BACKSPACE,
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SDL_Keycode.SDLK_INSERT,
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SDL_Keycode.SDLK_DELETE,
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SDL_Keycode.SDLK_PAGEUP,
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SDL_Keycode.SDLK_PAGEDOWN,
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SDL_Keycode.SDLK_HOME,
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SDL_Keycode.SDLK_END,
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SDL_Keycode.SDLK_CAPSLOCK,
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SDL_Keycode.SDLK_SCROLLLOCK,
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SDL_Keycode.SDLK_PRINTSCREEN,
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SDL_Keycode.SDLK_PAUSE,
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SDL_Keycode.SDLK_NUMLOCKCLEAR,
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SDL_Keycode.SDLK_CLEAR,
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SDL_Keycode.SDLK_KP_0,
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SDL_Keycode.SDLK_KP_1,
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SDL_Keycode.SDLK_KP_2,
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SDL_Keycode.SDLK_KP_3,
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SDL_Keycode.SDLK_KP_4,
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SDL_Keycode.SDLK_KP_5,
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SDL_Keycode.SDLK_KP_6,
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SDL_Keycode.SDLK_KP_7,
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SDL_Keycode.SDLK_KP_8,
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SDL_Keycode.SDLK_KP_9,
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SDL_Keycode.SDLK_KP_DIVIDE,
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SDL_Keycode.SDLK_KP_MULTIPLY,
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SDL_Keycode.SDLK_KP_MINUS,
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SDL_Keycode.SDLK_KP_PLUS,
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SDL_Keycode.SDLK_KP_DECIMAL,
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SDL_Keycode.SDLK_KP_ENTER,
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SDL_Keycode.SDLK_A,
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SDL_Keycode.SDLK_B,
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SDL_Keycode.SDLK_C,
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SDL_Keycode.SDLK_D,
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SDL_Keycode.SDLK_E,
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SDL_Keycode.SDLK_F,
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SDL_Keycode.SDLK_G,
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SDL_Keycode.SDLK_H,
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SDL_Keycode.SDLK_I,
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SDL_Keycode.SDLK_J,
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SDL_Keycode.SDLK_K,
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SDL_Keycode.SDLK_L,
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SDL_Keycode.SDLK_M,
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SDL_Keycode.SDLK_N,
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SDL_Keycode.SDLK_O,
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SDL_Keycode.SDLK_P,
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SDL_Keycode.SDLK_Q,
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SDL_Keycode.SDLK_R,
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SDL_Keycode.SDLK_S,
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SDL_Keycode.SDLK_T,
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SDL_Keycode.SDLK_U,
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SDL_Keycode.SDLK_V,
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SDL_Keycode.SDLK_W,
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SDL_Keycode.SDLK_X,
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SDL_Keycode.SDLK_Y,
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SDL_Keycode.SDLK_Z,
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SDL_Keycode.SDLK_0,
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SDL_Keycode.SDLK_1,
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SDL_Keycode.SDLK_2,
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SDL_Keycode.SDLK_3,
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SDL_Keycode.SDLK_4,
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SDL_Keycode.SDLK_5,
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SDL_Keycode.SDLK_6,
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SDL_Keycode.SDLK_7,
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SDL_Keycode.SDLK_8,
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SDL_Keycode.SDLK_9,
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SDL_Keycode.SDLK_GRAVE,
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SDL_Keycode.SDLK_GRAVE,
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SDL_Keycode.SDLK_MINUS,
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SDL_Keycode.SDLK_PLUS,
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SDL_Keycode.SDLK_LEFTBRACKET,
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SDL_Keycode.SDLK_RIGHTBRACKET,
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SDL_Keycode.SDLK_SEMICOLON,
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SDL_Keycode.SDLK_APOSTROPHE,
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SDL_Keycode.SDLK_COMMA,
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SDL_Keycode.SDLK_PERIOD,
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SDL_Keycode.SDLK_SLASH,
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SDL_Keycode.SDLK_BACKSLASH,
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// Invalids
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SDL_Keycode.SDLK_0,
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};
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public SDL3Keyboard(SDL3KeyboardDriver driver, string id, string name)
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{
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_driver = driver;
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Id = id;
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Name = name;
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_buttonsUserMapping = new List<ButtonMappingEntry>();
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}
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private bool HasConfiguration => _configuration != null;
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public string Id { get; }
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public string Name { get; }
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public bool IsConnected => true;
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public GamepadFeaturesFlag Features => GamepadFeaturesFlag.None;
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public void Dispose()
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{
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// No operations
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}
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[MethodImpl(MethodImplOptions.AggressiveInlining)]
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private static int ToSDL3Scancode(Key key)
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{
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if (key >= Key.Unknown && key <= Key.Menu)
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{
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return -1;
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}
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IntPtr modstate = (int)SDL_Keymod.SDL_KMOD_NONE;
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return (int)SDL_GetScancodeFromKey((uint)_keysDriverMapping[(int)key], modstate);
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}
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private static SDL_Keymod GetKeyboardModifierMask(Key key)
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{
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return key switch
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{
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Key.ShiftLeft => SDL_Keymod.SDL_KMOD_LSHIFT,
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Key.ShiftRight => SDL_Keymod.SDL_KMOD_RSHIFT,
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Key.ControlLeft => SDL_Keymod.SDL_KMOD_LCTRL,
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Key.ControlRight => SDL_Keymod.SDL_KMOD_RCTRL,
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Key.AltLeft => SDL_Keymod.SDL_KMOD_LALT,
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Key.AltRight => SDL_Keymod.SDL_KMOD_RALT,
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Key.WinLeft => SDL_Keymod.SDL_KMOD_LGUI,
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Key.WinRight => SDL_Keymod.SDL_KMOD_RGUI,
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// NOTE: Menu key isn't supported by SDL2.
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_ => SDL_Keymod.SDL_KMOD_NONE,
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};
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}
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public KeyboardStateSnapshot GetKeyboardStateSnapshot()
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{
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Span<SDLBool> rawKeyboardState;
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SDL_Keymod rawKeyboardModifierState = SDL_GetModState();
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unsafe
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{
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rawKeyboardState = SDL_GetKeyboardState(out int numKeys);
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}
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bool[] keysState = new bool[(int)Key.Count];
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for (Key key = 0; key < Key.Count; key++)
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{
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int index = ToSDL3Scancode(key);
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if (index == -1)
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{
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SDL_Keymod modifierMask = GetKeyboardModifierMask(key);
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if (modifierMask == SDL_Keymod.SDL_KMOD_NONE)
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{
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continue;
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}
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keysState[(int)key] = (rawKeyboardModifierState & modifierMask) == modifierMask;
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}
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else
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{
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keysState[(int)key] = rawKeyboardState[index];
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}
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}
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return new KeyboardStateSnapshot(keysState);
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}
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private static float ConvertRawStickValue(short value)
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{
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const float ConvertRate = 1.0f / (short.MaxValue + 0.5f);
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return value * ConvertRate;
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}
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private static (short, short) GetStickValues(ref KeyboardStateSnapshot snapshot, JoyconConfigKeyboardStick<ConfigKey> stickConfig)
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{
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short stickX = 0;
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short stickY = 0;
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if (snapshot.IsPressed((Key)stickConfig.StickUp))
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{
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stickY += 1;
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}
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if (snapshot.IsPressed((Key)stickConfig.StickDown))
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{
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stickY -= 1;
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}
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if (snapshot.IsPressed((Key)stickConfig.StickRight))
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{
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stickX += 1;
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}
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if (snapshot.IsPressed((Key)stickConfig.StickLeft))
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{
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stickX -= 1;
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}
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Vector2 stick = Vector2.Normalize(new Vector2(stickX, stickY));
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return ((short)(stick.X * short.MaxValue), (short)(stick.Y * short.MaxValue));
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}
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public GamepadStateSnapshot GetMappedStateSnapshot()
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{
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KeyboardStateSnapshot rawState = GetKeyboardStateSnapshot();
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GamepadStateSnapshot result = default;
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lock (_userMappingLock)
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{
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if (!HasConfiguration)
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{
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return result;
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}
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foreach (ButtonMappingEntry entry in _buttonsUserMapping)
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{
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if (entry.From == Key.Unknown || entry.From == Key.Unbound || entry.To == GamepadButtonInputId.Unbound)
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{
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continue;
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}
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// Do not touch state of button already pressed
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if (!result.IsPressed(entry.To))
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{
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result.SetPressed(entry.To, rawState.IsPressed(entry.From));
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}
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}
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(short leftStickX, short leftStickY) = GetStickValues(ref rawState, _configuration.LeftJoyconStick);
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(short rightStickX, short rightStickY) = GetStickValues(ref rawState, _configuration.RightJoyconStick);
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result.SetStick(StickInputId.Left, ConvertRawStickValue(leftStickX), ConvertRawStickValue(leftStickY));
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result.SetStick(StickInputId.Right, ConvertRawStickValue(rightStickX), ConvertRawStickValue(rightStickY));
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}
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return result;
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}
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public GamepadStateSnapshot GetStateSnapshot()
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{
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throw new NotSupportedException();
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}
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public (float, float) GetStick(StickInputId inputId)
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{
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throw new NotSupportedException();
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}
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public bool IsPressed(GamepadButtonInputId inputId)
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{
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throw new NotSupportedException();
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}
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public bool IsPressed(Key key)
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{
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// We only implement GetKeyboardStateSnapshot.
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throw new NotSupportedException();
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}
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public void SetConfiguration(InputConfig configuration)
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{
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lock (_userMappingLock)
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{
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_configuration = (StandardKeyboardInputConfig)configuration;
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// First clear the buttons mapping
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_buttonsUserMapping.Clear();
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// Then configure left joycon
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.LeftStick, (Key)_configuration.LeftJoyconStick.StickButton));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.DpadUp, (Key)_configuration.LeftJoycon.DpadUp));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.DpadDown, (Key)_configuration.LeftJoycon.DpadDown));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.DpadLeft, (Key)_configuration.LeftJoycon.DpadLeft));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.DpadRight, (Key)_configuration.LeftJoycon.DpadRight));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.Minus, (Key)_configuration.LeftJoycon.ButtonMinus));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.LeftShoulder, (Key)_configuration.LeftJoycon.ButtonL));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.LeftTrigger, (Key)_configuration.LeftJoycon.ButtonZl));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.SingleRightTrigger0, (Key)_configuration.LeftJoycon.ButtonSr));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.SingleLeftTrigger0, (Key)_configuration.LeftJoycon.ButtonSl));
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// Finally configure right joycon
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.RightStick, (Key)_configuration.RightJoyconStick.StickButton));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.A, (Key)_configuration.RightJoycon.ButtonA));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.B, (Key)_configuration.RightJoycon.ButtonB));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.X, (Key)_configuration.RightJoycon.ButtonX));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.Y, (Key)_configuration.RightJoycon.ButtonY));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.Plus, (Key)_configuration.RightJoycon.ButtonPlus));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.RightShoulder, (Key)_configuration.RightJoycon.ButtonR));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.RightTrigger, (Key)_configuration.RightJoycon.ButtonZr));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.SingleRightTrigger1, (Key)_configuration.RightJoycon.ButtonSr));
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_buttonsUserMapping.Add(new ButtonMappingEntry(GamepadButtonInputId.SingleLeftTrigger1, (Key)_configuration.RightJoycon.ButtonSl));
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}
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}
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public void SetTriggerThreshold(float triggerThreshold)
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{
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// No operations
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}
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public void Rumble(float lowFrequency, float highFrequency, uint durationMs)
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{
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// No operations
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}
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public Vector3 GetMotionData(MotionInputId inputId)
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{
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// No operations
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return Vector3.Zero;
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}
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}
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}
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