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package bjc.dicelang.dice;
/**
* A simple group of dice.
*
* @author EVE
*
*/
public class SimpleDie implements Die {
/* The number of dice to roll. */
private final Die numDice;
/*
* The size of each dice to roll.
*
* Rolled once per role, not once for each dice rolled.
*
* @NOTE
* Would having some way to roll it once for each dice rolled be
* useful in any sort of case?
*/
private final Die diceSize;
/**
* Create a new dice group.
*
* @param nDice
* The number of dice.
*
* @param size
* The size of the dice.
*/
public SimpleDie(final long nDice, final long size) {
this(new ScalarDie(nDice), new ScalarDie(size));
}
/**
* Create a new dice group.
*
* @param nDice
* The number of dice.
*
* @param size
* The size of the dice.
*/
public SimpleDie(final Die nDice, final long size) {
this(nDice, new ScalarDie(size));
}
/**
* Create a new dice group.
*
* @param nDice
* The number of dice.
*
* @param size
* The size of the dice.
*/
public SimpleDie(final long nDice, final Die size) {
this(new ScalarDie(nDice), size);
}
/**
* Create a new dice group.
*
* @param nDice
* The number of dice.
*
* @param size
* The size of the dice.
*/
public SimpleDie(final Die nDice, final Die size) {
numDice = nDice;
diceSize = size;
}
@Override
public boolean canOptimize() {
if (diceSize.canOptimize() && diceSize.optimize() <= 1) {
return numDice.canOptimize();
}
return false;
}
@Override
public long optimize() {
final long optSize = diceSize.optimize();
if (optSize == 0) {
return 0;
}
return numDice.optimize();
}
@Override
public long roll() {
long total = 0;
final long nDice = numDice.roll();
final long dSize = diceSize.roll();
for (int i = 0; i < nDice; i++) {
total += Math.abs(DiceBox.rng.nextLong()) % dSize + 1;
}
return total;
}
@Override
public long rollSingle() {
return Math.abs(DiceBox.rng.nextLong()) % diceSize.roll() + 1;
}
@Override
public String toString() {
return numDice + "d" + diceSize;
}
}
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