Function is_connector

plugins/dig-now.cpp:574–580

}

static bool is_connector(MapExtras::MapCache &map, const DFCoord &pos) {
    df::building *bld = Buildings::findAtTile(pos);

    return bld &&
        (bld->getType() == df::building_type::Door ||
         bld->getType() == df::building_type::Floodgate);
}

static bool is_smooth_wall_or_connector(MapExtras::MapCache &map,
                                        const DFCoord &pos) {