private void DrawVisualHints(Graphics g)
{
if (ShowVisualHints && DragDropOperation.Origin != null)
{
List <ChessMove> legalMoves = ChessEngine.GetLegalMoves(DragDropOperation.Origin);
foreach (ChessMove chessMove in legalMoves)
{
g.FillEllipse(new SolidBrush(Color.FromArgb(150, 92, 214, 92)),
BoardDirection == BoardDirection.BlackOnTop ?
GetHintRectangle((int)chessMove.To.File, 7 - (int)chessMove.To.Rank) :
GetHintRectangle(7 - (int)chessMove.To.File, (int)chessMove.To.Rank));
}
}
}
/// <summary>
/// Returns all legal moves for the current position for the given square.
/// </summary>
/// <param name="square">Square for which to compute legal moves.</param>
/// <returns></returns>
/// <exception cref="ArgumentNullException">Thrown when the <paramref name="square"/> is null.</exception>
/// <exception cref="ArgumentException">Thrown when the <paramref name="square"/> is empty.</exception>
public List <ChessMove> GetLegalMoves(ChessSquare square)
{
return(ChessEngine.GetLegalMoves(square));
}
/// <summary>
/// Returns all legal moves for the current position.
/// </summary>
/// <returns></returns>
public List <ChessMove> GetLegalMoves()
{
return(ChessEngine.GetLegalMoves());
}