Rook.java

/**
* Rook.java
*
* @author Deep Patel
*
* REMARKS: This is a class which stores information about the rook
* piece and how it moves, which is in a straight line horizontally or
* vertically
*/

public class Rook extends Piece{
    //Constructor
    public Rook(boolean myPiece) {
        super(myPiece);
    }

     /**
   * This method is used to check if the move made by the rook piece is a valid
   * move for the piece 
   *
   * Parameters:
   * Board board - The method take in the current state of the board to validate the move
   * Move move - The method takes in the move being made
   *
   * Returns a boolean to indicate whether the move was valid
   */
    public boolean isValidMove(Board board, Move move) {
        if (move.getFromRow() == move.getToRow()) { // Moving horizontally
            int minCol = Math.min(move.getFromCol(), move.getToCol());
            int maxCol = Math.max(move.getFromCol(), move.getToCol());
            for (int i = minCol + 1; i < maxCol; i++) {
                if (board.getSymbol(move.getFromRow() - 1, i - 1) != ' ') {
                    return false; 
                }
            }
            return true; 
        } else if (move.getFromCol() == move.getToCol()) { // Moving vertically
            int minRow = Math.min(move.getFromRow(), move.getToRow());
            int maxRow = Math.max(move.getFromRow(), move.getToRow());
            for (int i = minRow + 1; i < maxRow; i++) {
                if (board.getSymbol(i-1,move.getFromCol()-1) != ' ') {
                    return false;
                }
            }
            return true; 
        } else {
            return false; // Rook can only move horizontally or vertically
        }
    }    
}