ARM_BONUS
if(uarm) uac -= ARM_BONUS(uarm);
if(uarm2) uac -= ARM_BONUS(uarm2);
if(uarmh) uac -= ARM_BONUS(uarmh);
if(uarms) uac -= ARM_BONUS(uarms);
if(uarmg) uac -= ARM_BONUS(uarmg);
ac = ARM_BONUS(obj);