Function is_aquifer

plugins/dig.cpp:262–268

}

static bool is_aquifer(int16_t x, int16_t y, int16_t z, df::tile_designation *des = NULL) {
    if (!des)
        des = Maps::getTileDesignation(x, y, z);
    if (!des)
        return false;
    return des->bits.water_table && is_rough_wall(x, y, z);
}

static bool is_aquifer(const df::coord &pos, df::tile_designation *des = NULL) {
    return is_aquifer(pos.x, pos.y, pos.z, des);