Many under the hood improvements:

- CPU overhead reduced
- Compatibility increased
- Fix digital triggers auto-disabling
- Fix KeyEvents from DPAD

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/Gamepad.java

@@ -1,6 +1,8 @@
 package net.kdt.pojavlaunch.customcontrols.gamepad;
 
 
+import android.os.Handler;
+import android.os.Looper;
 import android.view.InputDevice;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
@@ -34,7 +36,7 @@ public class Gamepad {
     private final BaseMainActivity gameActivity;
     private final ImageView pointerView;
 
-    private final GamepadDpad gamepadDpad = new GamepadDpad(this);
+    private final GamepadDpad gamepadDpad = new GamepadDpad();
 
     private final GamepadJoystick leftJoystick;
     private int currentJoystickDirection = DIRECTION_NONE;
@@ -55,86 +57,37 @@ public class Gamepad {
     private GamepadMap currentMap = gameMap;
 
     private boolean lastGrabbingState = true;
-    private MotionEvent lastMotionEvent = null;
+    private final boolean hasDigitalTriggers;
 
-    private final Thread mouseThread;
+    private final Handler handler = new Handler(Looper.getMainLooper());
-    private final Runnable mouseRunnable;
     private final Runnable switchStateRunnable;
-    private final Runnable motionEventRunnable;
 
     public Gamepad(BaseMainActivity gameActivity, InputDevice inputDevice){
         Toast.makeText(gameActivity.getApplicationContext(),"GAMEPAD CREATED", Toast.LENGTH_LONG).show();
 
         leftJoystick = new GamepadJoystick(MotionEvent.AXIS_X, MotionEvent.AXIS_Y, inputDevice);
         rightJoystick = new GamepadJoystick(MotionEvent.AXIS_Z, MotionEvent.AXIS_RZ, inputDevice);
+        hasDigitalTriggers = inputDevice.hasKeys(KeyEvent.KEYCODE_BUTTON_R2)[0];
 
         this.gameActivity = gameActivity;
         pointerView = this.gameActivity.findViewById(R.id.console_pointer);
         pointerView.getDrawable().setFilterBitmap(false);
         notifyGUISizeChange(gameActivity.getMcScale());
 
-
+        Runnable handlerRunnable = new Runnable() {
-        mouseThread = new Thread("Gamepad Thread"){
-            long lastTime = System.nanoTime();
-            final double ticks = 60D;
-            final double ns = 1000000000 / ticks;
-            double delta = 0;
 
             @Override
             public void run() {
-
-                while (!isInterrupted()) {
-                    long now = System.nanoTime();
-                    delta += (now - lastTime) / ns;
-                    lastTime = now;
-
-                    if(delta >= 1) {
                 updateGrabbingState();
                 tick();
 
-                        delta--;
+                handler.postDelayed(this, 16);
-
-                        try{ sleep(Math.max((long) ( (1 - delta) * (1000/ticks) ), 0)); } catch (InterruptedException e) {e.printStackTrace();}
-                    }
-                }
-            }
-
-            private void tick(){
-                //Update motion events, and the mouse position
-                if(lastMotionEvent != null)gameActivity.runOnUiThread(motionEventRunnable);
-
-                if(lastHorizontalValue != 0 || lastVerticalValue != 0){
-                    GamepadJoystick currentJoystick = lastGrabbingState ? leftJoystick : rightJoystick;
-
-                    acceleration = (mouseMagnitude - currentJoystick.getDeadzone())/(1 - currentJoystick.getDeadzone());
-                    acceleration = Math.pow(acceleration, mouseMaxAcceleration);
-
-                    if(acceleration > 1) acceleration = 1;
-
-
-                    CallbackBridge.mouseX += Math.cos(mouseAngle) * acceleration * mouseSensitivity;
-                    CallbackBridge.mouseY -= Math.sin(mouseAngle) * acceleration * mouseSensitivity;
-
-                    gameActivity.runOnUiThread(mouseRunnable);
-
-                    if(!lastGrabbingState){
-                        CallbackBridge.mouseX = MathUtils.clamp(CallbackBridge.mouseX, 0, CallbackBridge.windowWidth);
-                        CallbackBridge.mouseY = MathUtils.clamp(CallbackBridge.mouseY, 0, CallbackBridge.windowHeight);
-                        placePointerView((int) (CallbackBridge.mouseX /gameActivity.scaleFactor), (int) (CallbackBridge.mouseY/gameActivity.scaleFactor));
-                    }
-
-                    gameActivity.mouse_x = CallbackBridge.mouseX;
-                    gameActivity.mouse_y = CallbackBridge.mouseY;
-                }
-
             }
         };
-        mouseThread.setPriority(Thread.MAX_PRIORITY);
-        mouseThread.start();
 
+        handler.postDelayed(handlerRunnable, 16);
 
         //Initialize runnables to be used by the input system, avoiding generating one each time is better memory.
-        mouseRunnable = () -> CallbackBridge.sendCursorPos(CallbackBridge.mouseX, CallbackBridge.mouseY);
         switchStateRunnable = () -> {
             currentMap.resetPressedState();
             if(lastGrabbingState){
@@ -155,12 +108,34 @@ public class Gamepad {
             mouseSensitivity = 14; //sensitivity in game doesn't need to be resolution dependent
         };
 
-        motionEventRunnable = () -> {
+    }
-            updateDirectionalJoystick(lastMotionEvent);
+
-            updateMouseJoystick(lastMotionEvent);
+
-            updateAnalogTriggers(lastMotionEvent);
+
-            gamepadDpad.update(lastMotionEvent);
+    private void tick(){
-        };
+        //update mouse position
+        if(lastHorizontalValue != 0 || lastVerticalValue != 0){
+            GamepadJoystick currentJoystick = lastGrabbingState ? leftJoystick : rightJoystick;
+
+            acceleration = (mouseMagnitude - currentJoystick.getDeadzone())/(1 - currentJoystick.getDeadzone());
+            acceleration = Math.pow(acceleration, mouseMaxAcceleration);
+            if(acceleration > 1) acceleration = 1;
+
+            CallbackBridge.mouseX += Math.cos(mouseAngle) * acceleration * mouseSensitivity;
+            CallbackBridge.mouseY -= Math.sin(mouseAngle) * acceleration * mouseSensitivity;
+
+            if(!lastGrabbingState){
+                CallbackBridge.mouseX = MathUtils.clamp(CallbackBridge.mouseX, 0, CallbackBridge.windowWidth);
+                CallbackBridge.mouseY = MathUtils.clamp(CallbackBridge.mouseY, 0, CallbackBridge.windowHeight);
+                placePointerView((int) (CallbackBridge.mouseX /gameActivity.scaleFactor), (int) (CallbackBridge.mouseY/gameActivity.scaleFactor));
+            }
+
+            gameActivity.mouse_x = CallbackBridge.mouseX;
+            gameActivity.mouse_y = CallbackBridge.mouseY;
+
+            //Send the mouse to the game
+            CallbackBridge.sendCursorPos(CallbackBridge.mouseX, CallbackBridge.mouseY);
+        }
 
     }
 
@@ -173,13 +148,14 @@ public class Gamepad {
     }
 
     public void update(KeyEvent event){
-        gamepadDpad.update(event);
         sendButton(event);
     }
 
     public void update(MotionEvent event){
-        //Motion events are taken into account every 1/60th second
+        updateDirectionalJoystick(event);
-        lastMotionEvent = event;
+        updateMouseJoystick(event);
+        updateAnalogTriggers(event);
+        sendButton(gamepadDpad.convertEvent(event));
     }
 
     private void updateMouseJoystick(MotionEvent event){
@@ -204,8 +180,10 @@ public class Gamepad {
     }
 
     private void updateAnalogTriggers(MotionEvent event){
-        getCurrentMap().TRIGGER_LEFT.update(event.getAxisValue(MotionEvent.AXIS_LTRIGGER) > 0.5);
+        if(!hasDigitalTriggers){
-        getCurrentMap().TRIGGER_RIGHT.update(event.getAxisValue(MotionEvent.AXIS_RTRIGGER) > 0.5);
+            getCurrentMap().TRIGGER_LEFT.update((event.getAxisValue(MotionEvent.AXIS_LTRIGGER) > 0.5) || (event.getAxisValue(MotionEvent.AXIS_BRAKE) > 0.5));
+            getCurrentMap().TRIGGER_RIGHT.update((event.getAxisValue(MotionEvent.AXIS_RTRIGGER) > 0.5) || (event.getAxisValue(MotionEvent.AXIS_GAS) > 0.5));
+        }
     }
 
     public void notifyGUISizeChange(int newSize){
@@ -298,19 +276,19 @@ public class Gamepad {
                 break;
 
                 //DPAD
-            case GamepadDpad.UP:
+            case KeyEvent.KEYCODE_DPAD_UP:
                 getCurrentMap().DPAD_UP.update(event);
                 break;
-            case GamepadDpad.DOWN:
+            case KeyEvent.KEYCODE_DPAD_DOWN:
                 getCurrentMap().DPAD_DOWN.update(event);
                 break;
-            case GamepadDpad.LEFT:
+            case KeyEvent.KEYCODE_DPAD_LEFT:
                 getCurrentMap().DPAD_LEFT.update(event);
                 break;
-            case GamepadDpad.RIGHT:
+            case KeyEvent.KEYCODE_DPAD_RIGHT:
                 getCurrentMap().DPAD_RIGHT.update(event);
                 break;
-            case GamepadDpad.CENTER:
+            case KeyEvent.KEYCODE_DPAD_CENTER:
                 getCurrentMap().DPAD_RIGHT.update(false);
                 getCurrentMap().DPAD_LEFT.update(false);
                 getCurrentMap().DPAD_UP.update(false);

app_pojavlauncher/src/main/java/net/kdt/pojavlaunch/customcontrols/gamepad/GamepadDpad.java

@@ -1,91 +1,77 @@
 package net.kdt.pojavlaunch.customcontrols.gamepad;
 
 import android.view.InputDevice;
-import android.view.InputEvent;
 import android.view.KeyEvent;
 import android.view.MotionEvent;
 
+import net.kdt.pojavlaunch.LWJGLGLFWKeycode;
+
 import java.lang.reflect.Field;
 
 import static android.view.InputDevice.KEYBOARD_TYPE_NON_ALPHABETIC;
+import static android.view.InputDevice.SOURCE_DPAD;
+import static android.view.KeyEvent.KEYCODE_DPAD_CENTER;
+import static android.view.KeyEvent.KEYCODE_DPAD_DOWN;
+import static android.view.KeyEvent.KEYCODE_DPAD_LEFT;
+import static android.view.KeyEvent.KEYCODE_DPAD_RIGHT;
+import static android.view.KeyEvent.KEYCODE_DPAD_UP;
 
 /*
-    Code from the android documentation
+    Reflection is used to avoid memory churning, and only has an negative impact at start
  */
 
 public class GamepadDpad {
-    final static int UP       = 999;
-    final static int LEFT     = 9999;
-    final static int RIGHT    = 99999;
-    final static int DOWN     = 999999;
-    final static int CENTER   = 9999999;
 
-    int pressedDirection = -1;
+
-    Gamepad parentPad;
+    private int lastKeycode = KEYCODE_DPAD_CENTER;
-    KeyEvent dummyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, CENTER);
+    private KeyEvent dummyEvent = new KeyEvent(KeyEvent.ACTION_DOWN, lastKeycode);
-    Field eventCodeField;
+    private Field eventCodeField;
+    private Field eventActionField;
 
     {
         try {
             eventCodeField = dummyEvent.getClass().getDeclaredField("mKeyCode");
             eventCodeField.setAccessible(true);
+
+            eventActionField = dummyEvent.getClass().getDeclaredField("mAction");
+            eventActionField.setAccessible(true);
         } catch (NoSuchFieldException e) {
             e.printStackTrace();
         }
     }
 
-    public GamepadDpad(Gamepad parentPad){
+    public KeyEvent convertEvent(MotionEvent event){
-        this.parentPad = parentPad;
-    }
-
-    public void update(KeyEvent event){
-
-        //TODO check if the event is valid
-        if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_LEFT) {
-            pressedDirection = LEFT;
-        } else if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_RIGHT) {
-            pressedDirection = RIGHT;
-        } else if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_UP) {
-            pressedDirection = UP;
-        } else if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_DOWN) {
-            pressedDirection = DOWN;
-        } else if (event.getKeyCode() == KeyEvent.KEYCODE_DPAD_CENTER) {
-            pressedDirection = CENTER;
-        }
-
-        setDummyEventKeyCode(pressedDirection);
-        parentPad.sendButton(dummyEvent);
-    }
-
-    public void update(MotionEvent event){
-        //TODO check if the event is valid
-
         // Use the hat axis value to find the D-pad direction
         float xaxis = event.getAxisValue(MotionEvent.AXIS_HAT_X);
         float yaxis = event.getAxisValue(MotionEvent.AXIS_HAT_Y);
+        int action = KeyEvent.ACTION_DOWN;
 
         // Check if the AXIS_HAT_X value is -1 or 1, and set the D-pad
         // LEFT and RIGHT direction accordingly.
         if (Float.compare(xaxis, -1.0f) == 0) {
-            pressedDirection = LEFT;
+            lastKeycode = KEYCODE_DPAD_LEFT;
         } else if (Float.compare(xaxis, 1.0f) == 0) {
-            pressedDirection = RIGHT;
+            lastKeycode = KEYCODE_DPAD_RIGHT;
         }
         // Check if the AXIS_HAT_Y value is -1 or 1, and set the D-pad
         // UP and DOWN direction accordingly.
         else if (Float.compare(yaxis, -1.0f) == 0) {
-            pressedDirection =  UP;
+            lastKeycode = KEYCODE_DPAD_UP;
         } else if (Float.compare(yaxis, 1.0f) == 0) {
-            pressedDirection =  DOWN;
+            lastKeycode = KEYCODE_DPAD_DOWN;
         }else {
-            pressedDirection = CENTER;
+            //No keycode change
+            action = KeyEvent.ACTION_UP;
         }
 
-        setDummyEventKeyCode(pressedDirection);
+        setDummyEventKeycode(lastKeycode);
-        parentPad.sendButton(dummyEvent);
+        setDummyEventAction(action);
+        dummyEvent.setSource(SOURCE_DPAD);
+        return dummyEvent;
+
     }
 
-    private void setDummyEventKeyCode(int fakeKeycode){
+    private void setDummyEventKeycode(int fakeKeycode){
         try {
             eventCodeField.setInt(dummyEvent, fakeKeycode);
         } catch (IllegalAccessException e) {
@@ -93,6 +79,14 @@ public class GamepadDpad {
         }
     }
 
+    private void setDummyEventAction(int action){
+        try {
+            eventActionField.setInt(dummyEvent, action);
+        } catch (IllegalAccessException e) {
+            e.printStackTrace();
+        }
+    }
+
     public static boolean isDpadEvent(MotionEvent event) {
         // Check that input comes from a device with directional pads.
         // And... also the joystick since it declares sometimes as a joystick.