chain levels with spaghetti

levels/level.gd

@@ -0,0 +1,22 @@
+extends Node3D
+
+var rings_count = 72727
+var finished_rings_count = 0
+var rings: Array[Node] = []
+
+# Called when the node enters the scene tree for the first time.
+func _ready() -> void:
+	var rings_node = get_node("Rings")
+	assert(is_instance_valid(rings_node), self.name + " has no rings!")
+	rings = rings_node.get_children()
+	rings_count = len(rings)
+	
+	for ring in rings:
+		ring.connect("collect_signal", do_we_end_yet)
+
+func do_we_end_yet():
+	finished_rings_count += 1
+	if finished_rings_count >= rings_count:
+		var game = get_parent().get_parent()
+		if is_instance_valid(game) and game.has_method("stop_level"):
+			game.stop_level()