extends Node
class_name BaseTrack

var _default = null
var _tracks = null

func get_tracks():
	if not _tracks:
		return []
	
	var tracks = _tracks.duplicate()
	
	if not _default:
		return tracks
	
	for track in tracks:
		for key in _default:
			if not track.has(key):
				track[key] = _default[key]
	
	return tracks