add ai, photo_mode and radio

core/radio/radio.gd

@@ -0,0 +1,31 @@
+extends AudioStreamPlayer
+
+class_name Radio
+
+@export var playlist: Array[AudioStream] = []
+var current_track_index: int = 0
+
+func _ready():
+	finished.connect(next_track)
+
+func play_track(index: int = current_track_index):
+	if playlist.is_empty():
+		return
+		
+	current_track_index = posmod(index, playlist.size())
+	stream = playlist[current_track_index]
+	play()
+	stream_paused = false
+
+func next_track():
+	play_track(current_track_index + 1)
+
+func prev_track():
+	play_track(current_track_index - 1)
+
+func toggle_pause():
+	stream_paused = !stream_paused
+
+func stop_radio():
+	stop()
+	stream_paused = false