Function change_luck

src/attrib.c:410–418

}

void
change_luck(schar n)
{
    u.uluck += n;
    if (u.uluck < 0 && u.uluck < LUCKMIN)
        u.uluck = LUCKMIN;
    if (u.uluck > 0 && u.uluck > LUCKMAX)
        u.uluck = LUCKMAX;
}

/* decide whether there are more blessed luckstones (plus luck-conferring
   artifacts) than cursed ones; optionally combine uncursed with blessed */