feat: implement settings menu, audio management system, and lobby UI framework

scripts/managers/music_manager.gd

@@ -0,0 +1,107 @@
+extends Node
+
+# MusicManager - Persistent singleton for handling background music across scenes
+# Autoloaded as "MusicManager"
+
+var music_player: AudioStreamPlayer
+var current_track: String = ""
+
+func _ready():
+	process_mode = Node.PROCESS_MODE_ALWAYS # Ensure music plays during pause
+	
+	music_player = AudioStreamPlayer.new()
+	music_player.name = "BackgroundMusicPlayer"
+	music_player.bus = "Music"
+	add_child(music_player)
+	
+	music_player.finished.connect(_on_music_finished)
+	
+	# Do NOT auto-start music here anymore as per user request
+	# We will call start_music() from Main scene
+	
+	# Connect to LobbyManager signals if it exists
+	if has_node("/root/LobbyManager"):
+		get_node("/root/LobbyManager").game_mode_changed.connect(_on_game_mode_changed)
+
+func _on_game_mode_changed(_mode: String):
+	start_music()
+
+func start_music():
+	var current_scene = get_tree().current_scene
+	if not current_scene:
+		return
+		
+	if current_scene.name == "Lobby":
+		play_track("res://assets/sounds/lobby.wav")
+		return
+		
+	if current_scene.name != "Main" and current_scene.name != "LoadingScreen":
+		print("[MusicManager] Not in Main or Lobby scene (currently in ", current_scene.name, "), skipping music.")
+		return
+		
+	var game_mode = "Freemode"
+	if has_node("/root/LobbyManager"):
+		game_mode = get_node("/root/LobbyManager").game_mode
+	
+	var track_path = ""
+	match game_mode:
+		"Stop n Go":
+			track_path = "res://assets/sounds/stop_n_go.wav"
+		"Freemode", "Tekton Doors", _:
+			track_path = "res://assets/sounds/freemode.wav"
+	
+	play_track(track_path)
+
+func play_track(track_path: String):
+	print("[MusicManager] Attempting to play track: ", track_path)
+	
+	if current_track == track_path and music_player.playing:
+		print("[MusicManager] Already playing this track, skipping.")
+		return
+		
+	if track_path == "":
+		print("[MusicManager] Empty track path, stopping music.")
+		music_player.stop()
+		current_track = ""
+		return
+
+	if not ResourceLoader.exists(track_path):
+		print("[MusicManager] ERROR: Track file not found: ", track_path)
+		return
+
+	var stream = load(track_path)
+	if not stream:
+		print("[MusicManager] ERROR: Failed to load stream from: ", track_path)
+		return
+		
+	if stream is AudioStreamWAV:
+		# Godot 4 looping settings for WAV
+		stream.loop_mode = AudioStreamWAV.LOOP_FORWARD
+		# Ensure loop end is at the very end of the file if not set
+		if stream.loop_end == 0:
+			stream.loop_end = stream.data.size() # This is a guess, but loop_mode 1 usually handles it
+		print("[MusicManager] Configured WAV loop mode for: ", track_path)
+	
+	music_player.stream = stream
+	
+	# Verify bus exists before playing
+	var bus_idx = AudioServer.get_bus_index("Music")
+	if bus_idx == -1:
+		print("[MusicManager] Warning: 'Music' bus not found, falling back to 'Master'")
+		music_player.bus = "Master"
+	else:
+		music_player.bus = "Music"
+		
+	music_player.play()
+	current_track = track_path
+	print("[MusicManager] play() called successfully for: ", track_path, " on bus: ", music_player.bus)
+
+func stop_music():
+	music_player.stop()
+	current_track = ""
+
+func _on_music_finished():
+	print("[MusicManager] Track finished: ", current_track)
+	# Fallback looping if for some reason the native loop didn't work
+	if current_track != "":
+		print("[MusicManag

scripts/managers/music_manager.gd.uid

@@ -0,0 +1 @@
+uid://d02o4qmj5ttcg

scripts/managers/settings_manager.gd

@@ -154,9 +154,18 @@ func apply_video_settings():
 
 func apply_audio_settings():
 	var audio = settings.audio
+	print("[SettingsManager] Applying audio settings: ", audio)
 	set_bus_volume("Master", audio.master_volume)
 	set_bus_volume("Music", audio.music_volume)
 	set_bus_volume("SFX", audio.sfx_volume)
+	
+	# Explicitly ensure Music and SFX are routed to Master if they exist
+	var master_idx = AudioServer.get_bus_index("Master")
+	if master_idx != -1:
+		var music_idx = AudioServer.get_bus_index("Music")
+		if music_idx != -1: AudioServer.set_bus_send(music_idx, "Master")
+		var sfx_idx = AudioServer.get_bus_index("SFX")
+		if sfx_idx != -1: AudioServer.set_bus_send(sfx_idx, "Master")
 
 func set_bus_volume(bus_name: String, volume_linear: float):
 	var bus_idx = AudioServer.get_bus_index(bus_name)