init

general/enemy_counter/enemy_counter.gd

@@ -0,0 +1,20 @@
+class_name EnemyCounter extends Node2D
+
+signal enemies_defeated
+
+func _ready() -> void:
+	child_exiting_tree.connect(on_enemy_destroyed)
+	pass
+
+func on_enemy_destroyed(node: Node2D) -> void:
+	if node is Enemy and enemy_count() <= 1:
+		enemies_defeated.emit()
+		print("ENEMIES DEFEATED")
+
+func enemy_count() -> int:
+	var count := 0
+	for child in get_children():
+		if child is Enemy:
+			count += 1
+	return count
+

general/enemy_counter/enemy_counter.gd.uid

@@ -0,0 +1 @@
+uid://bxyv7orhs7xw2

general/enemy_counter/enemy_counter.tscn

@@ -0,0 +1,6 @@
+[gd_scene format=3 uid="uid://s54xni3yvek5"]
+
+[ext_resource type="Script" uid="uid://bxyv7orhs7xw2" path="res://general/enemy_counter/enemy_counter.gd" id="1_6ymjw"]
+
+[node name="EnemyCounter" type="Node2D" unique_id=1225445185]
+script = ExtResource("1_6ymjw")