static bool grid_needs_exit(int x, int y)
{
    return (!grid_is_solid(x, y) || grd[x][y] == DNGN_CLOSED_DOOR);
}

        if (!grid_is_solid(place.x, y))

        if (grid_needs_exit(place.x, y))

        if (!grid_is_solid(place.x + place.width - 1, y))

        if (grid_needs_exit(place.x + place.width - 1, y))

        if (!grid_is_solid(x, place.y))

        if (grid_needs_exit(x, place.y))

        if (!grid_is_solid(x, place.y + place.height - 1))

        if (grid_needs_exit(x, place.y + place.height - 1))