private Result rollHit(int attackerToHit, int defenderArmorClass) {
   int roll = (int) (PlayN.random() * 20) + 1;
   if (roll == 1) {
     return Result.CRITICAL_HIT;
   }
   if (roll == 20) {
     return Result.CRITICAL_MISS;
   }
   if (roll > attackerToHit) {
     return Result.MISSED;
   }
   int target = attackerToHit - defenderArmorClass;
   if (roll > target) {
     return Result.DEFLECTED;
   }
   return Result.HIT;
 }
 private int rollDamage(int attackerDamageDieSize) {
   int roll = (int) (PlayN.random() * attackerDamageDieSize) + 1;
   return roll;
 }