Constant Preloads

@:const creates a const variable in GDScript.

class MyNode extends godot.Node {
	@:const
	final MAX_JUMPS = 4;
}

This would be converted to:

extends Node;
class_name MyNode;

const MAX_JUMPS: int = 4;

Preloading Resources

A common pattern in GDScript is to preload resources into a const variable. The @:const metadata provides a helper feature to achieve this:

class MyNode extends godot.Node {
	@:const(preload = "res://scenes/bullet.tscn")
	final BULLET_SCENE: PackedScene;
}

This would be converted to:

extends Node;
class_name MyNode;

const BULLET_SCENE: PackedScene = preload("res://scenes/bullet.tscn");