Move resource check to the Audio subsystem.

addons/dialogic/Modules/Audio/event_music.gd

@@ -24,21 +24,11 @@ var loop: bool = true
 ################################################################################
 
 func _execute() -> void:
-
-	if not _is_playing_resource_already():
+	if not dialogic.Audio.is_music_playing_resource():
 		dialogic.Audio.update_music(file_path, volume, audio_bus, fade_length, loop)
 
 	finish()
 
-
-## Returns whether the currently playing audio resource is the same as this
-## event's [member file_path].
-func _is_playing_resource_already() -> bool:
-	var music_player: AudioStreamPlayer = dialogic.Audio.base_music_player
-
-	return music_player.is_playing() and music_player.stream.resource_path == file_path
-
-
 ################################################################################
 ## 						INITIALIZE
 ################################################################################

addons/dialogic/Modules/Audio/subsystem_audio.gd

@@ -112,5 +112,15 @@ func stop_all_sounds() -> void:
 		if "Sound" in node.name:
 			node.queue_free()
 
+
 func interpolate_volume_linearly(value :float, node:Node) -> void:
 	node.volume_db = linear_to_db(value)
+
+
+## Returns whether the currently playing audio resource is the same as this
+## event's [param resource_path].
+func is_music_playing_resource(resource_path: String) -> bool:
+	var is_playing_resource: bool = (base_music_player.is_playing()
+		and base_music_player.stream.resource_path == resource_path)
+
+	return is_playing_resource