igrd[x][y] = NON_ITEM;

    igrd[x][y] = NON_ITEM;

    // Can't re-use ri since you.pos() has changed.
    radius_iterator ri2(you.pos(), LOS_RADIUS);
    for ( ; ri2; ++ri2 )
        env.map(*ri2).property = fprops(you.pos() - *ri2 + los_delta);

    for ( radius_iterator ri(you.pos(), LOS_RADIUS); ri; ++ri )
        env.map(*ri).property = fprops(you.pos() - *ri + los_delta);

    {

    }