class Area4D extends Resource:

const SOUND := 1
const ATMOSPHERE := 2
var _meta := Dictionary()

func _init(_x :int, atmospere :AtmosphereData = null):
	_meta[ATMOSPHERE] = atmospere

func get_sound() -> SoundData:
	# sounds are optional
	if _meta.has(SOUND):
		return _meta[SOUND] as SoundData
	return null

func get_atmoshere() -> AtmosphereData:
	return _meta[ATMOSPHERE] as AtmosphereData