forked from MoonsideGames/MoonWorks
initial input handling
parent
f89907abf7
commit
7d3932da9b
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bin/
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obj/
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.vs/
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[submodule "lib/SDL2-CS"]
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path = lib/SDL2-CS
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url = https://github.com/flibitijibibo/SDL2-CS.git
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[submodule "lib/Campari"]
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path = lib/Campari
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url = https://gitea.moonside.games/MoonsideGames/Campari.git
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Subproject commit f01b9a3a9acff8672e0d7da253ee2402fcdaa281
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Subproject commit 1e01bc8eebb501bf6df24ec98784c32843308e0a
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namespace MoonWorks
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{
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public enum ButtonState
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{
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/// <summary>
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/// Indicates that the input is not pressed.
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/// </summary>
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Released,
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/// <summary>
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/// Indicates that the input was pressed this frame.
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/// </summary>
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Pressed,
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/// <summary>
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/// Indicates that the input has been held for multiple frames.
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/// </summary>
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Held
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}
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}
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using System;
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using SDL2;
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namespace MoonWorks
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{
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public class Gamepad
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{
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internal IntPtr Handle;
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public ButtonState A { get; private set; }
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public ButtonState B { get; private set; }
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public ButtonState X { get; private set; }
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public ButtonState Y { get; private set; }
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public ButtonState Back { get; private set; }
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public ButtonState Guide { get; private set; }
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public ButtonState Start { get; private set; }
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public ButtonState LeftStick { get; private set; }
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public ButtonState RightStick { get; private set; }
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public ButtonState LeftShoulder { get; private set; }
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public ButtonState RightShoulder { get; private set; }
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public ButtonState DpadUp { get; private set; }
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public ButtonState DpadDown { get; private set; }
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public ButtonState DpadLeft { get; private set; }
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public ButtonState DpadRight { get; private set; }
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public float LeftX { get; private set; }
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public float LeftY { get; private set; }
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public float RightX { get; private set; }
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public float RightY { get; private set; }
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public float TriggerLeft { get; private set; }
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public float TriggerRight { get; private set; }
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public Gamepad(IntPtr handle)
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{
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Handle = handle;
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}
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internal void Update()
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{
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A = UpdateState(A, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_A);
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B = UpdateState(B, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_B);
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X = UpdateState(X, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_X);
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Y = UpdateState(Y, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_Y);
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Back = UpdateState(Back, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_BACK);
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Guide = UpdateState(Guide, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_GUIDE);
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Start = UpdateState(Start, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_START);
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LeftStick = UpdateState(LeftStick, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_LEFTSTICK);
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RightStick = UpdateState(RightStick, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_RIGHTSTICK);
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LeftShoulder = UpdateState(LeftShoulder, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_LEFTSHOULDER);
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RightShoulder = UpdateState(RightShoulder, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_RIGHTSHOULDER);
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DpadUp = UpdateState(DpadUp, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_UP);
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DpadDown = UpdateState(DpadDown, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_DOWN);
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DpadLeft = UpdateState(DpadLeft, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_LEFT);
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DpadRight = UpdateState(DpadRight, SDL.SDL_GameControllerButton.SDL_CONTROLLER_BUTTON_DPAD_RIGHT);
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LeftX = UpdateAxis(SDL.SDL_GameControllerAxis.SDL_CONTROLLER_AXIS_LEFTX);
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LeftY = UpdateAxis(SDL.SDL_GameControllerAxis.SDL_CONTROLLER_AXIS_LEFTY);
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RightX = UpdateAxis(SDL.SDL_GameControllerAxis.SDL_CONTROLLER_AXIS_RIGHTX);
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RightY = UpdateAxis(SDL.SDL_GameControllerAxis.SDL_CONTROLLER_AXIS_RIGHTY);
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TriggerLeft = UpdateTrigger(SDL.SDL_GameControllerAxis.SDL_CONTROLLER_AXIS_TRIGGERLEFT);
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TriggerRight = UpdateTrigger(SDL.SDL_GameControllerAxis.SDL_CONTROLLER_AXIS_TRIGGERRIGHT);
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}
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private ButtonState UpdateState(ButtonState state, SDL.SDL_GameControllerButton button)
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{
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var isPressed = SDL.SDL_GameControllerGetButton(Handle, button);
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if (isPressed == 1)
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{
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if (state == ButtonState.Pressed)
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{
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return ButtonState.Held;
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}
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else if (state == ButtonState.Released)
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{
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return ButtonState.Pressed;
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}
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}
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return ButtonState.Released;
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}
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private float UpdateAxis(SDL.SDL_GameControllerAxis axis)
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{
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var axisValue = SDL.SDL_GameControllerGetAxis(Handle, axis);
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return Normalize(axisValue, short.MinValue, short.MaxValue);
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}
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// Triggers only go from 0 to short.MaxValue
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private float UpdateTrigger(SDL.SDL_GameControllerAxis trigger)
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{
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var triggerValue = SDL.SDL_GameControllerGetAxis(Handle, trigger);
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return Normalize(triggerValue, 0, short.MaxValue);
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}
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private float Normalize(float value, short min, short max)
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{
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return (value - min) / (max - min);
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}
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}
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}
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using SDL2;
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using System.Collections.Generic;
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namespace MoonWorks
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{
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public class Input
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{
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public Keyboard Keyboard { get; }
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List<Gamepad> gamepads = new List<Gamepad>();
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internal Input()
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{
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Keyboard = new Keyboard();
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for (int i = 0; i < SDL.SDL_NumJoysticks(); i++)
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{
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if (SDL.SDL_IsGameController(i) == SDL.SDL_bool.SDL_TRUE)
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{
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gamepads.Add(new Gamepad(SDL.SDL_GameControllerOpen(i)));
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}
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}
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}
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// Assumes that SDL_PumpEvents has been called!
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internal void Update()
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{
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Keyboard.Update();
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foreach (var gamepad in gamepads)
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{
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gamepad.Update();
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}
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}
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public Gamepad GetGamepad(int slot)
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{
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return gamepads[slot];
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}
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}
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}
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namespace MoonWorks
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{
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internal class Key
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{
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public Keycode Keycode { get; }
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public ButtonState InputState { get; internal set; }
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public Key(Keycode keycode)
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{
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Keycode = keycode;
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InputState = ButtonState.Released;
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}
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}
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}
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using System;
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using System.Runtime.InteropServices;
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using SDL2;
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namespace MoonWorks
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{
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public class Keyboard
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{
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private Key[] Keys { get; }
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private int numKeys;
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internal Keyboard()
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{
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SDL.SDL_GetKeyboardState(out numKeys);
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Keys = new Key[numKeys];
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foreach (Keycode keycode in Enum.GetValues(typeof(Keycode)))
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{
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Keys[(int)keycode] = new Key(keycode);
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}
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}
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internal void Update()
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{
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IntPtr keyboardState = SDL.SDL_GetKeyboardState(out _);
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foreach (int keycode in Enum.GetValues(typeof(Keycode)))
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{
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var keyDown = Marshal.ReadByte(keyboardState, keycode);
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if (keyDown == 1)
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{
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if (Keys[keycode].InputState == ButtonState.Released)
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{
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Keys[keycode].InputState = ButtonState.Pressed;
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}
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else if (Keys[keycode].InputState == ButtonState.Pressed)
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{
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Keys[keycode].InputState = ButtonState.Held;
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}
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}
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else
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{
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Keys[keycode].InputState = ButtonState.Released;
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}
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}
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}
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public bool IsDown(Keycode keycode)
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{
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var key = Keys[(int)keycode];
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return (key.InputState == ButtonState.Pressed) || (key.InputState == ButtonState.Held);
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}
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public bool IsPressed(Keycode keycode)
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{
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var key = Keys[(int)keycode];
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return key.InputState == ButtonState.Pressed;
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}
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public bool IsHeld(Keycode keycode)
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{
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var key = Keys[(int)keycode];
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return key.InputState == ButtonState.Held;
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}
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public bool IsUp(Keycode keycode)
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{
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var key = Keys[(int)keycode];
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return key.InputState == ButtonState.Released;
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}
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}
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}
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namespace MoonWorks
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{
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// Enum values are equivalent to the SDL Scancode value.
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public enum Keycode : uint
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{
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Unknown = 0,
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A = 4,
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B = 5,
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C = 6,
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D = 7,
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E = 8,
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F = 9,
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G = 10,
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H = 11,
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I = 12,
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J = 13,
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K = 14,
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L = 15,
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M = 16,
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N = 17,
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O = 18,
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P = 19,
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Q = 20,
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R = 21,
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S = 22,
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T = 23,
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U = 24,
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V = 25,
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W = 26,
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X = 27,
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Y = 28,
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Z = 29,
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D1 = 30,
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D2 = 31,
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D3 = 32,
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D4 = 33,
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D5 = 34,
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D6 = 35,
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D7 = 36,
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D8 = 37,
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D9 = 38,
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D0 = 39,
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Return = 40,
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Escape = 41,
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Backspace = 42,
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Tab = 43,
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Space = 44,
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Minus = 45,
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Equals = 46,
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LeftBracket = 47,
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RightBracket = 48,
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Backslash = 49,
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NonUSHash = 50,
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Semicolon = 51,
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Apostrophe = 52,
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Grave = 53,
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Comma = 54,
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Period = 55,
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Slash = 56,
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CapsLock = 57,
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F1 = 58,
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F2 = 59,
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F3 = 60,
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F4 = 61,
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F5 = 62,
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F6 = 63,
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F7 = 64,
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F8 = 65,
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F9 = 66,
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F10 = 67,
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F11 = 68,
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F12 = 69,
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PrintScreen = 70,
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ScrollLock = 71,
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Pause = 72,
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Insert = 73,
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Home = 74,
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PageUp = 75,
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Delete = 76,
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End = 77,
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PageDown = 78,
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Right = 79,
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Left = 80,
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Down = 81,
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Up = 82,
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NumLockClear = 83,
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KeypadDivide = 84,
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KeypadMultiply = 85,
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KeypadMinus = 86,
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KeypadPlus = 87,
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KeypadEnter = 88,
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Keypad1 = 89,
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Keypad2 = 90,
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Keypad3 = 91,
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Keypad4 = 92,
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Keypad5 = 93,
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Keypad6 = 94,
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Keypad7 = 95,
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Keypad8 = 96,
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Keypad9 = 97,
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Keypad0 = 98,
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KeypadPeriod = 99,
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NonUSBackslash = 100,
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LeftControl = 224,
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LeftShift = 225,
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LeftAlt = 226,
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RightControl = 228,
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RightShift = 229,
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RightAlt = 230
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}
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}
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@ -0,0 +1,10 @@
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namespace MoonWorks
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{
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public enum PresentMode
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{
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Immediate,
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Mailbox,
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FIFO,
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FIFORelaxed
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}
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}
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