/// <summary>
/// Verifies if a piece attacks a square. This method does not check if the piece on "from"
/// on the board is of the same type as this FlyweightPiece represents.
/// </summary>
/// <param name="board">Board to check attacking on.</param>
/// <param name="from">Square on which attacking piece is placed.</param>
/// <param name="to">The square to check if attacked.</param>
/// <returns>True if a FlyweightPiece placed on "from" square attacks the "to" square. False otherwise.</returns>
public bool Attacks(Board board, Square from, Square to)
{
if ((m_color == PieceColor.White && Board.Rank(to) == Board.Rank(from) + 1) ||
(m_color == PieceColor.Black && Board.Rank(to) == Board.Rank(from) - 1))
{
if ((Math.Abs(Board.File(to) - Board.File(from)) == 1) &&
(board.GetPieceColor(to) != m_color))
return true;
}
return false;
}
/// <summary>
/// Verifies if a piece attacks a square. This method does not check if the piece on "from"
/// on the board is of the same type as this FlyweightPiece represents.
/// </summary>
/// <param name="board">Board to check attacking on.</param>
/// <param name="from">Square on which attacking piece is placed.</param>
/// <param name="to">The square to check if attacked.</param>
/// <returns>True if a FlyweightPiece placed on "from" square attacks the "to" square. False otherwise.</returns>
public bool Attacks(Board board, Square from, Square to)
{
if ((m_color == PieceColor.White && Board.Rank(to) == Board.Rank(from) + 1) ||
(m_color == PieceColor.Black && Board.Rank(to) == Board.Rank(from) - 1))
{
if ((Math.Abs(Board.File(to) - Board.File(from)) == 1) &&
(board.GetPieceColor(to) != m_color))
{
return(true);
}
}
return(false);
}
/// <summary>
/// Returns the color of the piece on the square the iterator is currently located on.
/// </summary>
/// <returns>Current color of piece.</returns>
public PieceColor CurrentPieceColor()
{
return(m_board.GetPieceColor(m_currentSquare));
}