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package bjc.dicelang.neodice.diepool;
import java.util.*;
import bjc.dicelang.neodice.*;
public class DropLastPool implements DiePool {
private final int number;
private final DiePool pool;
public DropLastPool(DiePool pool, int number) {
this.pool = pool;
this.number = number;
}
@Override
public int[] roll(Random rng) {
int[] rolls = pool.roll(rng);
if (number >= rolls.length) {
return new int[0];
} else {
int[] newRolls = new int[rolls.length - number];
for (int index = 0; index < rolls.length - number; index++) {
newRolls[index] = rolls[index];
}
return newRolls;
}
}
@Override
public Die[] contained() {
return pool.contained();
}
@Override
public String toString() {
return String.format("%sdL%d", pool, number);
}
@Override
public int hashCode() {
return Objects.hash(number, pool);
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
DropLastPool other = (DropLastPool) obj;
return number == other.number && Objects.equals(pool, other.pool);
}
}
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