Function is_smooth_wall

plugins/dig-now.cpp:566–572

}

static bool is_smooth_wall(MapExtras::MapCache &map, const DFCoord &pos) {
    if (!map.ensureBlockAt(pos))
        return false;
    df::tiletype tt = map.tiletypeAt(pos);
    return tileSpecial(tt) == df::tiletype_special::SMOOTH
                && tileShape(tt) == df::tiletype_shape::WALL;
}

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