// I got so tired of seeing: ".. && random2(foo) == 0 && .." in the code
// that I broke down and wrote this little -- very little -- function.
// anyway, I think improving the readability of the code offsets whatever
// overhead the additional (intermediary) function call added to Crawl -
// we'll just make it up by tightening code elsewhere, right guys?
// [use with == and != only .. never directly with comparisons or math]
//                                                      -- 14jan2000 {dlb}

}                               // end one_chance_in() - that's it? :P {dlb}

}

    if (player_equip_ego_type( EQ_BODY_ARMOUR, SPARM_ARCHMAGI ) 
        && !one_chance_in(20))
    {
        return;
    }

    if (player_equip_ego_type( EQ_BODY_ARMOUR, SPARM_ARCHMAGI ))
        exp_gained = div_rand_round( exp_gained, 4 );