public class Square {
	//Pawn, knight, bishop, rook, queen, king, blank.
	public static final int OUT_OF_BOUNDS = -1;
	public static final int EMPTY = 0;
	public static final int PAWN = 1;
	public static final int KNIGHT = 2;
	public static final int BISHOP = 3;
	public static final int ROOK = 4;
	public static final int QUEEN = 5;
	public static final int KING = 6;

	private int type; //one of the 8 constants above.
	private boolean isWhite;
	private boolean hasMoved;
	private boolean isEnPassantSquare; //was jumped over by a pawn on the previous move.

	//en passant boolean flag (for the square that would be "captured")
	//boolean Knowledge of whether or not this piece moved yet (for castling)
	//boolean for off-the-board square

	public Square(Square s) {
		type = s.type;
		isWhite = s.isWhite;
		hasMoved = s.hasMoved;
		isEnPassantSquare = s.isEnPassantSquare;
	}

	public Square(int type) {
		this(type, false);
	}

	public Square(int type, boolean isWhite) {
		this.type = type;
		this.isWhite = isWhite;
		hasMoved = false;
		isEnPassantSquare = false;
	}

	public void clearEnPassant() {
		isEnPassantSquare = false;
	}

	public boolean isEnPassantSquare() {
		return isEnPassantSquare;
	}

	public void setEnPassantSquare(boolean whiteMovedPawnTwo) {
		isEnPassantSquare = true;
		isWhite = whiteMovedPawnTwo;
	}

	public void setHasMoved() {
		hasMoved = true;
	}

	public boolean isMoved() {
		return hasMoved;
	}

	//Positive values for white, negative for black, blank square is 0.
	public int getValue() {
		return 0; //TODO.
	}

	public int getType() {
		return type;
	}

	public boolean isWhite() {
		return isWhite;
	}

}