Implement full gamepad menu support and title screen start

app/src/main/java/com/mintris/MainActivity.kt

@@ -41,7 +41,8 @@ import android.app.AlertDialog
 
 class MainActivity : AppCompatActivity(), 
     GamepadController.GamepadConnectionListener,
-    GamepadController.GamepadMenuListener {
+    GamepadController.GamepadMenuListener,
+    GamepadController.GamepadNavigationListener {
     
     companion object {
         private const val TAG = "MainActivity"
@@ -93,6 +94,10 @@ class MainActivity : AppCompatActivity(),
     // Track connected gamepads to detect changes
     private val connectedGamepads = mutableSetOf<String>()
     
+    // Track currently selected menu item in pause menu for gamepad navigation
+    private var currentMenuSelection = 0
+    private val pauseMenuItems = mutableListOf<View>()
+    
     override fun onCreate(savedInstanceState: Bundle?) {
         // Register activity result launcher for high score entry
         highScoreEntryLauncher = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
@@ -124,6 +129,7 @@ class MainActivity : AppCompatActivity(),
         gamepadController = GamepadController(gameView)
         gamepadController.setGamepadConnectionListener(this)
         gamepadController.setGamepadMenuListener(this)
+        gamepadController.setGamepadNavigationListener(this)
         
         // Set up touch event forwarding
         binding.touchInterceptor?.setOnTouchListener { _, event ->
@@ -395,6 +401,9 @@ class MainActivity : AppCompatActivity(),
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.R) {
             window.setDecorFitsSystemWindows(false)
         }
+        
+        // Initialize pause menu items for gamepad navigation
+        initPauseMenuNavigation()
     }
     
     /**
@@ -591,6 +600,15 @@ class MainActivity : AppCompatActivity(),
             gameView.getCurrentBlockSkin(),
             progressionManager.getPlayerLevel()
         )
+        
+        // Initialize pause menu navigation
+        initPauseMenuNavigation()
+        
+        // Reset and highlight first selectable menu item
+        if (pauseMenuItems.isNotEmpty()) {
+            currentMenuSelection = if (binding.resumeButton.visibility == View.VISIBLE) 0 else 1
+            highlightMenuItem(currentMenuSelection)
+        }
     }
     
     /**
@@ -1013,6 +1031,13 @@ class MainActivity : AppCompatActivity(),
         
         // First check if it's a gamepad input
         if (GamepadController.isGamepad(event.device)) {
+            // Handle title screen start with gamepad
+            if (titleScreen.visibility == View.VISIBLE && 
+                (keyCode == KeyEvent.KEYCODE_BUTTON_A || keyCode == KeyEvent.KEYCODE_BUTTON_START)) {
+                titleScreen.performClick()
+                return true
+            }
+            
             // If gamepad input was handled by the controller, consume the event
             if (gamepadController.handleKeyEvent(keyCode, event)) {
                 return true
@@ -1086,7 +1111,93 @@ class MainActivity : AppCompatActivity(),
                 // If pause menu is showing, handle as a resume
                 hidePauseMenu()
                 resumeGame()
+            } else if (titleScreen.visibility == View.VISIBLE) {
+                // If title screen is showing, start the game
+                titleScreen.performClick()
             }
         }
     }
+
+    /**
+     * Implements GamepadNavigationListener to handle menu navigation
+     */
+    override fun onMenuUp() {
+        runOnUiThread {
+            if (binding.pauseContainer.visibility == View.VISIBLE) {
+                moveMenuSelectionUp()
+            }
+        }
+    }
+    
+    override fun onMenuDown() {
+        runOnUiThread {
+            if (binding.pauseContainer.visibility == View.VISIBLE) {
+                moveMenuSelectionDown()
+            }
+        }
+    }
+    
+    override fun onMenuSelect() {
+        runOnUiThread {
+            if (binding.pauseContainer.visibility == View.VISIBLE) {
+                activateSelectedMenuItem()
+            } else if (titleScreen.visibility == View.VISIBLE) {
+                titleScreen.performClick()
+            }
+        }
+    }
+
+    /**
+     * Initialize pause menu items for gamepad navigation
+     */
+    private fun initPauseMenuNavigation() {
+        pauseMenuItems.clear()
+        pauseMenuItems.add(binding.resumeButton)
+        pauseMenuItems.add(binding.pauseStartButton)
+        pauseMenuItems.add(binding.pauseRestartButton)
+        pauseMenuItems.add(binding.highScoresButton)
+        pauseMenuItems.add(binding.statsButton)
+        pauseMenuItems.add(binding.pauseLevelUpButton)
+        pauseMenuItems.add(binding.pauseLevelDownButton)
+    }
+    
+    /**
+     * Highlight the currently selected menu item
+     */
+    private fun highlightMenuItem(index: Int) {
+        // Reset all items to normal state
+        pauseMenuItems.forEachIndexed { i, item ->
+            item.alpha = if (i == index) 1.0f else 0.7f
+            item.scaleX = if (i == index) 1.2f else 1.0f
+            item.scaleY = if (i == index) 1.2f else 1.0f
+        }
+    }
+    
+    /**
+     * Move menu selection up
+     */
+    private fun moveMenuSelectionUp() {
+        if (pauseMenuItems.isEmpty()) return
+        currentMenuSelection = (currentMenuSelection - 1 + pauseMenuItems.size) % pauseMenuItems.size
+        highlightMenuItem(currentMenuSelection)
+        gameHaptics.vibrateForPieceMove()
+    }
+    
+    /**
+     * Move menu selection down
+     */
+    private fun moveMenuSelectionDown() {
+        if (pauseMenuItems.isEmpty()) return
+        currentMenuSelection = (currentMenuSelection + 1) % pauseMenuItems.size
+        highlightMenuItem(currentMenuSelection)
+        gameHaptics.vibrateForPieceMove()
+    }
+    
+    /**
+     * Activate the currently selected menu item
+     */
+    private fun activateSelectedMenuItem() {
+        if (pauseMenuItems.isEmpty() || currentMenuSelection < 0 || currentMenuSelection >= pauseMenuItems.size) return
+        pauseMenuItems[currentMenuSelection].performClick()
+    }
 } 

app/src/main/java/com/mintris/game/GamepadController.kt

@@ -149,9 +149,16 @@ class GamepadController(
         fun onPauseRequested()
     }
     
+    interface GamepadNavigationListener {
+        fun onMenuUp()
+        fun onMenuDown()
+        fun onMenuSelect()
+    }
+    
     // Listeners
     private var connectionListener: GamepadConnectionListener? = null
     private var menuListener: GamepadMenuListener? = null
+    private var navigationListener: GamepadNavigationListener? = null
     
     // Currently active gamepad for rumble
     private var activeGamepad: InputDevice? = null
@@ -170,6 +177,13 @@ class GamepadController(
         menuListener = listener
     }
     
+    /**
+     * Set a listener for gamepad navigation events
+     */
+    fun setGamepadNavigationListener(listener: GamepadNavigationListener) {
+        navigationListener = listener
+    }
+    
     /**
      * Function to check for newly connected gamepads.
      * Call this periodically from the activity to detect connection changes.
@@ -253,7 +267,34 @@ class GamepadController(
      */
     fun handleKeyEvent(keyCode: Int, event: KeyEvent): Boolean {
         // Skip if game is not active
-        if (!gameView.isActive()) return false
+        if (!gameView.isActive()) {
+            // Handle menu navigation even when game is not active
+            if (event.action == KeyEvent.ACTION_DOWN) {
+                when (keyCode) {
+                    KeyEvent.KEYCODE_DPAD_UP -> {
+                        navigationListener?.onMenuUp()
+                        return true
+                    }
+                    KeyEvent.KEYCODE_DPAD_DOWN -> {
+                        navigationListener?.onMenuDown()
+                        return true
+                    }
+                    KeyEvent.KEYCODE_BUTTON_A, 
+                    KeyEvent.KEYCODE_DPAD_CENTER -> {
+                        navigationListener?.onMenuSelect()
+                        return true
+                    }
+                }
+            }
+            
+            // Handle menu/start button for pause menu
+            if (event.action == KeyEvent.ACTION_DOWN && keyCode == KeyEvent.KEYCODE_BUTTON_START) {
+                menuListener?.onPauseRequested()
+                return true
+            }
+            
+            return false
+        }
         
         val device = event.device
         if (!isGamepad(device)) return false