# Pastebin J0IrYbEz
def forWorld[T <: WorldData : ClassTag](world: World)(implicit ctag: ClassTag[T]): T = {
		val dataClass = ctag.runtimeClass.asInstanceOf[Class[T]]
		val key = this.classesAndKeys(dataClass)
		if (key == null) throw new NoSuchElementException(
			"Data class " + dataClass + " was not registered.")

		val greyList = this.dimensionGreyList(dataClass)
		if (greyList == null) throw new NoSuchElementException(
			"Data class " + dataClass.getCanonicalName + " was not registered.")
		val dim = world.provider.getDimensionId
		if (greyList._1.nonEmpty && !greyList._1.contains(dim))return dataClass.cast(null)
		if (greyList._2.nonEmpty && greyList._2.contains(dim)) return dataClass.cast(null)

		val storage: MapStorage = world.getPerWorldStorage
		var data = storage.loadData(dataClass, key)
		if (data == null)
			try {
				data = dataClass.getConstructor(classOf[String]).newInstance(key)
				dataClass.cast(data).setWorld(world)
				storage.setData(key, data)
			}
			catch {
				case e: Exception =>
					e.printStackTrace()
					throw new IllegalStateException(
						"Could not instantiate " + dataClass.getCanonicalName)
			}
		dataClass.cast(data)
	}