Knight.java

package chess;

public class Knight extends Piece {
	
	// The neigh-whinny class
	public Knight (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 (!lMove(startFile, startRank, newFile, newRank)) return false;
		
		Piece newLoc = board.getPiece(newFile, newRank);
		
		if (newLoc == null) {
			
			return true;
		}
		
		if (newLoc.isBlack != this.isBlack) return true;
		
		else return false;
	}
	
	@Override
	public Piece clone() {
	    return new Knight(this.getFile(), this.getRank(), this.isBlack);
	}
	
	@Override
	public String getSymbol() {
		
		return ("N");
	}

}