joystick support

src/main/java/dev/isxander/controlify/controller/gamepad/GamepadController.java

@@ -0,0 +1,56 @@
+package dev.isxander.controlify.controller.gamepad;
+
+import dev.isxander.controlify.controller.AbstractController;
+import org.hid4java.HidDevice;
+import org.lwjgl.glfw.GLFW;
+import org.lwjgl.glfw.GLFWGamepadState;
+
+public class GamepadController extends AbstractController<GamepadState, GamepadConfig> {
+    private GamepadState state = GamepadState.EMPTY;
+    private GamepadState prevState = GamepadState.EMPTY;
+
+    public GamepadController(int joystickId, HidDevice hidDevice) {
+        super(joystickId, hidDevice);
+        if (!GLFW.glfwJoystickIsGamepad(joystickId))
+            throw new IllegalArgumentException("Joystick " + joystickId + " is not a gamepad!");
+
+        if (!this.name.startsWith(type().friendlyName()))
+            setName(GLFW.glfwGetGamepadName(joystickId));
+
+        this.defaultConfig = new GamepadConfig();
+        this.config = new GamepadConfig();
+    }
+
+    @Override
+    public GamepadState state() {
+        return state;
+    }
+
+    @Override
+    public GamepadState prevState() {
+        return prevState;
+    }
+
+    @Override
+    public void updateState() {
+        prevState = state;
+
+        GamepadState.AxesState rawAxesState = GamepadState.AxesState.fromController(this);
+        GamepadState.AxesState axesState = rawAxesState
+                .leftJoystickDeadZone(config().leftStickDeadzoneX, config().leftStickDeadzoneY)
+                .rightJoystickDeadZone(config().rightStickDeadzoneX, config().rightStickDeadzoneY);
+        GamepadState.ButtonState buttonState = GamepadState.ButtonState.fromController(this);
+        state = new GamepadState(axesState, rawAxesState, buttonState);
+    }
+
+    public void consumeButtonState() {
+        this.state = new GamepadState(state().gamepadAxes(), state().rawGamepadAxes(), GamepadState.ButtonState.EMPTY);
+    }
+
+    GLFWGamepadState getGamepadState() {
+        GLFWGamepadState state = GLFWGamepadState.create();
+        GLFW.glfwGetGamepadState(joystickId(), state);
+        return state;
+    }
+
+}