@Override
public String toString() {
StringBuilder s =
new StringBuilder(Integer.toString(pieceRow) + ":" + Integer.toString(pieceColumn));
for (ChessboardPosition cp : steps) {
s.append(cp.toString());
}
return s.toString();
}
public boolean isValidMovePrefix(Move otherMove) {
Piece otherPiece = otherMove.getPiece();
if (otherPiece.getPieceColor() != piece.getPieceColor()
|| otherMove.getPieceColumn() != pieceColumn
|| otherMove.getPieceRow() != pieceRow) {
return false;
}
Iterator<ChessboardPosition> it = steps.iterator();
for (ChessboardPosition cp : otherMove.getSteps()) {
if (!it.hasNext() || !cp.equals(it.next())) {
return false;
}
}
return true;
}
public void doMove(Chessboard chessboard) {
for (ChessboardPosition chessboardPosition : steps) {
int rowDirection = Integer.signum(chessboardPosition.getRow() - this.pieceRow);
int columnDirection = Integer.signum(chessboardPosition.getColumn() - this.pieceColumn);
while (chessboardPosition.getRow() != this.pieceRow) {
chessboard.capture(pieceRow, pieceColumn);
pieceRow += rowDirection;
pieceColumn += columnDirection;
}
chessboard.movePiece(pieceRow, pieceColumn, piece);
}
if (piece instanceof Pawn
&& ((piece.getPieceColor().equals(PieceColor.WHITE)
&& pieceRow == Chessboard.CHESSBOARD_SIZE - 1)
|| (piece.getPieceColor().equals(PieceColor.BLACK) && pieceRow == 0))) {
piece = new King(piece.getPieceColor());
chessboard.movePiece(pieceRow, pieceColumn, piece);
// System.out.println("New king!");
}
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null) return false;
if (getClass() != obj.getClass()) return false;
Move other = (Move) obj;
if (pieceRow != other.pieceRow) return false;
if (pieceColumn != other.pieceColumn) return false;
if (piece == null || other.getPiece() == null) {
return false;
}
if (piece.pieceColor != other.getPiece().pieceColor) {
return false;
}
// Checking for King/Pawn is unnecessary in our context
Iterator<ChessboardPosition> otherStepsIt = other.getSteps().iterator();
if (steps == null) { // This is actually weird as f..
if (other.getSteps() == null) {
return true;
} else {
return false;
}
}
for (ChessboardPosition chessboardPosition : steps) {
if (!otherStepsIt.hasNext()) {
return false;
}
if (!chessboardPosition.equals(otherStepsIt.next())) {
return false;
}
}
if (otherStepsIt.hasNext()) {
return false;
}
return true;
}