return ((dgn_map_mask(c) & MMT_OPAQUE) && dgn_grid_is_passable(grd(c)));

    return (!(dgn_map_mask(c) & MMT_OPAQUE) && dgn_grid_is_passable(grd(c)));

    dgn_zones        = 0;

                             level_number, true);
    if (one_chance_in(20))
        place_specific_stair(DNGN_ENTER_BAZAAR, "bzr_entry",

    bool allow_bazaars = false;

        allow_bazaars = true;

            if (timeout > 20000)

            if (timeout > 10000)

        place_spec_shop(level_number, shop_place_x, shop_place_y, SHOP_RANDOM);

        if (allow_bazaars && level_number > 9 && level_number < 27
            && one_chance_in(30 - level_number))
        {
            place_specific_stair(DNGN_ENTER_BAZAAR, "bzr_entry",
                                 level_number, true);
        }
        else
        {
            place_spec_shop(level_number,
                            shop_place_x, shop_place_y, SHOP_RANDOM);
        }

            return ("gently fading gateway to a fabulous bazaar");

            return ("gently fading gateway to a bazaar");

            return ("gateway to a fabulous bazaar");

            return ("gateway to a bazaar");

            e.marker("O = timer: 1000")

            e.marker("O = timer: 1000-1500")

    luaopen_math(_state);