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package bjc.dicelang.neodice.die;
import java.util.*;
import java.util.function.*;
import bjc.dicelang.neodice.*;
import bjc.esodata.*;
public class RerollDie implements Die {
private final Die contained;
private final IntPredicate condition;
private final Function<MinMaxList<Integer>, Integer> chooser;
private int limit = Integer.MAX_VALUE;
public RerollDie(Die contained, IntPredicate condition,
Function<MinMaxList<Integer>, Integer> chooser) {
this.contained = contained;
this.condition = condition;
this.chooser = chooser;
}
public RerollDie(Die contained, IntPredicate condition,
Function<MinMaxList<Integer>, Integer> chooser, int limit) {
this.contained = contained;
this.condition = condition;
this.chooser = chooser;
this.limit = limit;
}
@Override
public int roll(Random rng) {
int roll = contained.roll(rng);
MinMaxList<Integer> newRolls = new MinMaxList<Integer>(
Comparator.naturalOrder(), roll);
int rerollCount = 0;
while (condition.test(roll) && rerollCount < limit) {
roll = contained.roll(rng);
newRolls.add(roll);
rerollCount += 1;
}
return chooser.apply(newRolls);
}
// No toString, because IntPredicate can't be converted to a string
}
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