Method mapspec_at

crawl-ref/source/mapdef.cc:1709–1727

}

keyed_mapspec *map_lines::mapspec_at(const coord_def &c)
{
    int key = (*this)(c);

    if (key == SUBVAULT_GLYPH)
    {
        // Any subvault should create the overlay.
        ASSERT(overlay);
        if (!overlay)
            return nullptr;

        key = (*overlay)(c.x, c.y).keyspec_idx;
        ASSERT(key);
        if (!key)
            return nullptr;
    }

    return mapspec_for_key(key);
}

const keyed_mapspec *map_lines::mapspec_at(const coord_def &c) const
{