Add looping gameplay music

rats.py

@@ -12,6 +12,9 @@ from engine.user_profile_integration import UserProfileIntegration
 from runtime_paths import bundle_path
 
 
+GAMEPLAY_MUSIC = "Clockwork_Thicket.mp3"
+
+
 class MiceMaze(
     controls.KeyBindings,
     unit_manager.UnitManager,
@@ -44,6 +47,7 @@ class MiceMaze(
         self.render_engine = engine.GameWindow(self.map.width, self.map.height, 
                                         self.cell_size, window_title, 
                                         key_callback=self.trigger)
+        self.render_engine.audio = self.audio
         
         # Apply profile settings
         if hasattr(self.render_engine, 'set_volume'):
@@ -245,7 +249,14 @@ class MiceMaze(
                 if random.random() < 0.01:
                     data["count"] = min(data["count"] + 1, data["max"])
 
+    def update_background_music(self):
+        if self.game_status == "game" and not self.game_end[0]:
+            self.render_engine.play_music(GAMEPLAY_MUSIC, loop=True)
+            return
+        self.render_engine.pause_music()
+
     def update_maze(self):
+        self.update_background_music()
         if self.game_over():
             return
         if self.game_status == "paused":