if (monster->target_x == you.x_pos && monster->target_y == you.y_pos)

            if (monster->target_pos() == you.pos()
                && see_grid_no_trans(monster->pos()))

    else if (!see_grid_no_trans(beam.tx, beam.ty))
    {
        mpr("There's a wall in the way.");
        return (false);
    }