// 1. Check to see out of range.

    // Check to see out of range.

    // 2. Check count.

    // Check count.

 
    const coord_def loc(beam.target_x + x, beam.target_y + y);

    // 3. Check sanctuary.
    if (is_sanctuary(beam.target_x + x, beam.target_y + y))

    // Make sure we haven't run off the map.
    if (map_bounds(loc))
        return;
    // Check sanctuary.
    if (is_sanctuary(loc.x, loc.y))

    // 4. Check to see if we're blocked by something
    //    specifically, we're blocked by WALLS.  Not
    //    statues, idols, etc.
    const int dngn_feat = grd[beam.target_x + x][beam.target_y + y];

    // Check to see if we're blocked by something specifically, we're blocked
    // by WALLS.  Not statues, idols, etc.
    const int dngn_feat = grd(loc);