private void updateAvailableCastlings(Move move, Board board) {
Piece srcPiece = board.at(move.getDst());
if (srcPiece.isType(PieceType.KING)) {
availableCastlings.get(srcPiece.color()).clear();
}
if (srcPiece.isType(PieceType.ROOK) && move.getSource().getCol() == 0) {
availableCastlings.get(srcPiece.color()).remove(CastlingType.CASTLING_QUEEN_SIDE);
}
if (srcPiece.isType(PieceType.ROOK) && move.getSource().getCol() == 7) {
availableCastlings.get(srcPiece.color()).remove(CastlingType.CASTLING_KING_SIDE);
}
}
public void notifyMove(Move move, Board board) {
updateAvailableCastlings(move, board);
Color opponent = board.at(move.getDst()).color().opponent();
if (availableCastlings.get(opponent).contains(CastlingType.CASTLING_KING_SIDE)
&& MoveEvaluator.canKingSideCastling(opponent, board)) {
castlings.add(new CastlingKingSide(opponent, board));
}
if (availableCastlings.get(opponent).contains(CastlingType.CASTLING_QUEEN_SIDE)
&& MoveEvaluator.canQueenSideCastling(opponent, board)) {
castlings.add(new CastlingQueenSide(opponent, board));
}
}