credit

scripts/characters/old_to_new_npc.gd

@@ -0,0 +1,44 @@
+@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).")