Rook.java

package chess;

public class Rook extends Piece {
	
	// Rook class
	public boolean rookHasMoved = false;
	
	public Rook (char file, int rank, boolean isBlack) {
		super (file, rank, isBlack);		
	}
	
	@Override 
	public boolean canMove (char startFile, int startRank, char newFile, 
			int newRank, Board board) {
		
		// Check for vertical, horizontal, a clear path and that the square is different from its own
		
		if (!isDiffSquare(startFile, startRank, newFile, newRank)) return false;
		
		if (!horizontalMove(startFile, startRank, newFile, newRank) && !verticalMove(startFile,
				startRank, newFile, newRank)) return false;
		
		if (!pathClear(startFile, startRank, newFile, newRank, board)) return false;
		
		Piece newLoc = board.getPiece(newFile, newRank);
		
		if (newLoc == null) {
			
			return true;
		}
		
		if (newLoc.isBlack != this.isBlack) return true;
		
		else return false;			
	}
	
	public void rookOfficiallyMoved() {
		
		rookHasMoved = true;
	}
	
	public boolean checkIfMoved() {
		
		return rookHasMoved;
	}
	
	@Override
	public Piece clone() {
		Rook cloned = new Rook(this.getFile(), this.getRank(), this.isBlack);
	    cloned.rookHasMoved = this.rookHasMoved;
	    return cloned;
	}
	
	@Override
	public String getSymbol() {
		
		return ("R");
	}
	
}