const coord_def delta = monster->pos() - you.pos();
            const int x_middle = std::max(monster->pos().x, you.pos().x)
                                    - (abs(delta.x) / 2);
            const int y_middle = std::max(monster->pos().y, you.pos().y)
                                    - (abs(delta.y) / 2);
            const coord_def middle(x_middle, y_middle);

                && see_grid_no_trans(monster->pos())
                && grid_distance(monster->pos(), you.pos()) == 2)

                && grid_distance(monster->pos(), you.pos()) == 2
                && (see_grid_no_trans(monster->pos())
                    || grd(middle) > DNGN_MAX_NONREACH))

    const int x_distance = abs(delta.x);
    const int y_distance = abs(delta.y);

    const int x_distance  = abs(delta.x);
    const int y_distance  = abs(delta.y);

    const int x_middle = std::max(beam.target.x, you.pos().x)
                            - (x_distance / 2);
    const int y_middle = std::max(beam.target.y, you.pos().y)
                            - (y_distance / 2);
    const coord_def middle(x_middle, y_middle);

    else if (!see_grid_no_trans(beam.target))

    else if (!see_grid_no_trans(beam.target)
             && grd(middle) <= DNGN_MAX_NONREACH)

        // Might also be a granite statue/orcish idol which you
        // can reach _past_.

        const int x_middle = std::max(beam.target.x, you.pos().x)
            - (x_distance / 2);
        const int y_middle = std::max(beam.target.y, you.pos().y)
            - (y_distance / 2);
        const coord_def middle(x_middle, y_middle);

            if ( grid_distance(attacker->pos(), defender->pos()) == 2 )

            if (grid_distance(attacker->pos(), defender->pos()) == 2)