Function _origin_freeze

crawl-ref/source/items.cc:1217–1224

}

static void _origin_freeze(item_def &item)
{
    if (!origin_known(item))
    {
        item.orig_place = level_id::current();
        _check_note_item(item);
    }
}

static string _origin_monster_name(const item_def &item)
{