v1.2.0: implemented basic controller support

SPD-classes/src/main/java/com/watabou/input/ControllerHandler.java

@@ -0,0 +1,137 @@
+/*
+ * Pixel Dungeon
+ * Copyright (C) 2012-2015 Oleg Dolya
+ *
+ * Shattered Pixel Dungeon
+ * Copyright (C) 2014-2022 Evan Debenham
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+package com.watabou.input;
+
+import com.badlogic.gdx.Gdx;
+import com.badlogic.gdx.Input;
+import com.badlogic.gdx.controllers.Controller;
+import com.badlogic.gdx.controllers.ControllerListener;
+import com.badlogic.gdx.controllers.ControllerMapping;
+import com.watabou.utils.DeviceCompat;
+import com.watabou.utils.PointF;
+
+import java.lang.annotation.Target;
+
+public class ControllerHandler implements ControllerListener {
+
+	public static boolean controllersSupported() {
+		if (DeviceCompat.isAndroid() && Gdx.app.getVersion() < 16) {
+			return false;
+		} else {
+			return true;
+		}
+	}
+
+	@Override
+	public void connected(Controller controller) {
+
+	}
+
+	@Override
+	public void disconnected(Controller controller) {
+
+	}
+
+	@Override
+	public boolean buttonDown(Controller controller, int buttonCode) {
+		int keyCode = buttonToKey(controller, buttonCode);
+		if (keyCode != Input.Keys.UNKNOWN){
+			KeyEvent.addKeyEvent(new KeyEvent(keyCode, true));
+			return true;
+		}
+		return false;
+	}
+
+	@Override
+	public boolean buttonUp(Controller controller, int buttonCode) {
+		int keyCode = buttonToKey(controller, buttonCode);
+		if (keyCode != Input.Keys.UNKNOWN){
+			KeyEvent.addKeyEvent(new KeyEvent(keyCode, false));
+			return true;
+		}
+		return false;
+	}
+
+	public static PointF leftStickPosition = new PointF();
+	public static PointF rightStickPosition = new PointF();
+
+	private float L2Trigger = 0f;
+	private float R2Trigger = 0f;
+
+	@Override
+	public boolean axisMoved(Controller controller, int axisCode, float value) {
+		ControllerMapping mapping = controller.getMapping();
+		if (mapping.axisRightX == axisCode)         rightStickPosition.x = value;
+		else if (mapping.axisRightY == axisCode)    rightStickPosition.y = value;
+		else if (mapping.axisLeftX == axisCode)     leftStickPosition.x = value;
+		else if (mapping.axisLeftY == axisCode)     leftStickPosition.y = value;
+
+		//L2 and R2 triggers on Desktop
+		else if (axisCode == 4) {
+
+			if (L2Trigger < 0.5f && value >= 0.5f){
+				KeyEvent.addKeyEvent(new KeyEvent(Input.Keys.BUTTON_L2, true));
+			} else if (L2Trigger >= 0.5f && value < 0.5f){
+				KeyEvent.addKeyEvent(new KeyEvent(Input.Keys.BUTTON_L2, false));
+			}
+			L2Trigger = value;
+
+		} else if (axisCode == 5){
+
+			if (R2Trigger < 0.5f && value >= 0.5f){
+				KeyEvent.addKeyEvent(new KeyEvent(Input.Keys.BUTTON_R2, true));
+			} else if (R2Trigger >= 0.5f && value < 0.5f){
+				KeyEvent.addKeyEvent(new KeyEvent(Input.Keys.BUTTON_R2, false));
+			}
+			R2Trigger = value;
+
+		}
+		return true;
+	}
+
+	//converts controller button codes to keyEvent codes
+	public static int buttonToKey(Controller controller, int keyCode){
+		ControllerMapping mapping = controller.getMapping();
+		if (keyCode == mapping.buttonA)     return Input.Keys.BUTTON_A;
+		if (keyCode == mapping.buttonB)     return Input.Keys.BUTTON_B;
+		//C button?
+		if (keyCode == mapping.buttonX)     return Input.Keys.BUTTON_X;
+		if (keyCode == mapping.buttonY)     return Input.Keys.BUTTON_Y;
+		if (keyCode == mapping.buttonBack)  return Input.Keys.BUTTON_SELECT;
+		if (keyCode == mapping.buttonStart) return Input.Keys.BUTTON_START;
+
+		if (keyCode == mapping.buttonL1)     return Input.Keys.BUTTON_L1;
+		if (keyCode == mapping.buttonL2)     return Input.Keys.BUTTON_L2;
+		if (keyCode == mapping.buttonR1)     return Input.Keys.BUTTON_R1;
+		if (keyCode == mapping.buttonR2)     return Input.Keys.BUTTON_R2;
+
+		if (keyCode == mapping.buttonDpadUp)    return Input.Keys.DPAD_UP;
+		if (keyCode == mapping.buttonDpadLeft)  return Input.Keys.DPAD_LEFT;
+		if (keyCode == mapping.buttonDpadDown)  return Input.Keys.DPAD_DOWN;
+		if (keyCode == mapping.buttonDpadRight) return Input.Keys.DPAD_RIGHT;
+
+		if (keyCode == mapping.buttonLeftStick)     return Input.Keys.BUTTON_THUMBL;
+		if (keyCode == mapping.buttonRightStick)    return Input.Keys.BUTTON_THUMBR;
+
+		return Input.Keys.UNKNOWN;
+	}
+}