Initial commit for testing/fixing a deprecated godot-colyseus addon

addons/godot_colyseus/lib/frame_runner.gd

@@ -0,0 +1,23 @@
+extends RefCounted
+
+var _running = false
+var fn: Callable
+var argv: Array
+
+# Called when the node enters the scene tree for the first time.
+func _init(fn: Callable,argv: Array = []):
+	self.fn = fn
+	self.argv = argv
+
+func start():
+	if not _running:
+		_running = true
+		var root: SceneTree = Engine.get_main_loop()
+		while true:
+			await root.process_frame
+			if not _running:
+				return
+			fn.callv(argv)
+
+func stop():
+	_running = false