Merge pull request #14868 from Arturlang/admin_mapsave

buildmode mapgen tool save [ready]

code/game/objects/structures/crates_lockers/closets.dm

@@ -672,3 +672,15 @@
 	if(allowed(user))
 		return TRUE
 	to_chat(user, "<span class='notice'>Access denied.</span>")
+
+/obj/structure/closet/on_object_saved(depth)
+	if(depth >= 10)
+		return ""
+	var/dat = ""
+	for(var/obj/item in contents)
+		var/metadata = generate_tgm_metadata(item)
+		dat += "[dat ? ",\n" : ""][item.type][metadata]"
+		//Save the contents of things inside the things inside us, EG saving the contents of bags inside lockers
+		var/custom_data = item.on_object_saved(depth++)
+		dat += "[custom_data ? ",\n[custom_data]" : ""]"
+	return dat