more bug fixes because I messed up stuff

scenes/game_dan.py

@@ -0,0 +1,34 @@
+import logging
+from libs.audio import audio
+from libs.background import Background
+from libs.global_data import global_data
+from libs.transition import Transition
+from scenes.game import GameScreen, SongInfo
+
+logger = logging.getLogger(__name__)
+
+class DanGameScreen(GameScreen):
+    JUDGE_X = 414
+    def on_screen_start(self):
+        super().on_screen_start()
+        self.init_tja(global_data.selected_song)
+        logger.info(f"TJA initialized for song: {global_data.selected_song}")
+        self.song_info = SongInfo(session_data.song_title, session_data.genre_index)
+        self.background = Background(global_data.player_num, self.bpm, scene_preset='DAN')
+        self.transition = Transition('', '', is_second=True)
+        self.transition.start()
+
+    def update(self):
+        super().update()
+        current_time = get_current_ms()
+        self.transition.update(current_time)
+        self.current_ms = current_time - self.start_ms
+        self.start_song(current_time)
+        self.update_background(current_time)
+
+        if self.song_music is not None:
+            audio.update_music_stream(self.song_music)
+
+        self.player_1.update(self.current_ms, current_time, self.background)
+        self.song_info.update(current_time)
+        return self.global_keys()