@tool
extends EditorScript

# Path to your new NPC scene
const NEW_NPC_SCENE := preload("res://scenes/character_seat_talking.tscn")

func _run():
	var root := get_scene()
	if root == null:
		push_error("Open the scene in the editor before running this script.")
		return

	var seating := root.find_child("characters-seating", true, false)
	if seating == null:
		push_error("Could not find 'characters-seating' node.")
		return

	var replaced := 0

	for grp in seating.get_children():
		# Snapshot the children first, since we'll be modifying the group as we go
		var old_npcs := grp.get_children()

		for old_npc in old_npcs:
			if not (old_npc is Node3D):
				push_warning(old_npc.name + " in " + grp.name + " is not a Node3D, skipping.")
				continue

			var old_transform: Transform3D = old_npc.transform
			var old_name := old_npc.name

			var new_npc: Node3D = NEW_NPC_SCENE.instantiate()

			grp.remove_child(old_npc)
			old_npc.queue_free()

			grp.add_child(new_npc)
			new_npc.owner = root
			new_npc.transform = old_transform
			new_npc.name = old_name

			replaced += 1

	print("Replaced ", replaced, " NPC(s).")