@Override
public void nextHashInTier() {
if (dbh.getHash() < dbh.numHashes() - 1) dbh.next();
else if (numPieces[BLACK] == 0) {
numPieces[BLACK] = numPieces[WHITE];
numPieces[WHITE] = 0;
dbh.setNums(boardSize - getTier(), 0, getTier());
if (turn != 0) throw new RuntimeException("Tier finished");
else turn++;
} else {
dbh.setNums(boardSize - getTier(), ++numPieces[WHITE], --numPieces[BLACK]);
}
isChildrenValid = false;
}
@Override
public boolean hasNextHashInTier() {
long currentHash = dbh.getHash();
return (currentHash != numHashesForTier(getTier()) - 1);
}
private long getHash() {
return offsetTable[getTier()][turn][numPieces[WHITE]] + dbh.getHash();
}
