struct bolt beam;
    int type = monster->type;

    bolt beam;
    const int type = monster->type;

    const char* msg = "";

    const char* msg = NULL;

    else

    else if (type == MONS_BALL_LIGHTNING)

    else
    {
        msg::streams(MSGCH_DIAGNOSTICS) << "Unknown spore type: "
                                        << static_cast<int>(type)
                                        << std::endl;
        return;
    }

    for (int i=0; i<19; i++)
    {
        for (int j=0; j<19; j++)
            explode_map[i][j] = false;
    }

    explode_map.init(false);

    bool seen_anything = false;
    for ( int i = -9; i <= 9; ++i )
        for ( int j = -9; j <= 9; ++j )
            if ( explode_map[i+9][j+9] &&
                 see_grid(beam.target_x + i, beam.target_y + j) )
                seen_anything = true;

    if (!beam.is_tracer)

    if (!beam.is_tracer && seen_anything)

    int dngn_feat = grd[beam.target_x + x][beam.target_y + y];

    const int dngn_feat = grd[beam.target_x + x][beam.target_y + y];