private bool IsValid(Chessboard chessboard, GameMove move, GameHistory gameHistory)
{
var chessPiece = chessboard.GetChessPieceOrDefault(move.From);
if (!chessPiece.HasValue)
{
return(false);
}
var chessBoardCopy = (Chessboard)chessboard.Clone();
var gameHistoryCopy = (GameHistory)gameHistory.Clone();
gameHistoryCopy.Add(move, chessPiece.Value.Owner, chessBoardCopy);
chessBoardCopy.Move(move);
var kingCoordinate = chessBoardCopy.GetCoordinate(new ChessPiece {
Owner = chessPiece.Value.Owner, Type = ChessPieceType.King
});
var isKingInDanger = IsCoordinateInDanger(chessBoardCopy, chessPiece.Value.Owner, gameHistoryCopy, kingCoordinate);
return(!isKingInDanger);
}
