public Game Copy()
{
var gameCopy = new Game {
Board = new Board()
};
gameCopy.WhitePlayer = WhitePlayer.Copy();
gameCopy.BlackPlayer = BlackPlayer.Copy();
CopyPieces(WhitePlayer, gameCopy);
CopyPieces(BlackPlayer, gameCopy);
gameCopy.Ended = Ended;
gameCopy.IsStaleMate = IsStaleMate;
gameCopy.CurrentPlayer = CurrentPlayer.Color == Color.White ? gameCopy.WhitePlayer : gameCopy.BlackPlayer;
if (Winner != null)
{
gameCopy.Winner = Winner.Color == Color.White ? gameCopy.WhitePlayer : gameCopy.BlackPlayer;
}
gameCopy.WhitePlayer.Material = WhitePlayer.Material;
gameCopy.BlackPlayer.Material = BlackPlayer.Material;
gameCopy.Hash = Hash;
gameCopy.EnPassantFile = EnPassantFile;
gameCopy.InitialPosition = InitialPosition;
foreach (var hash in HashHistory)
{
gameCopy.HashHistory.Push(hash);
}
gameCopy.CommandCount = CommandCount;
gameCopy.MovesSinceLastCaptureOrPawnMove = MovesSinceLastCaptureOrPawnMove;
gameCopy.SetPieceFastAccess();
return(gameCopy);
}
public string GetFEN()
{
var sb = new StringBuilder();
for (Rank rank = Rank._8; rank >= 0; rank--)
{
var emptyCount = 0;
for (File file = File.A; file <= File.H; file++)
{
var square = Board.Squares[(int)file + (int)rank * 8];
if (square.Piece == null)
{
emptyCount++;
}
else
{
if (emptyCount > 0)
{
sb.Append(emptyCount);
emptyCount = 0;
}
sb.Append(square.Piece.FenChar);
}
}
if (emptyCount > 0)
{
sb.Append(emptyCount);
emptyCount = 0;
}
if (rank > Rank._1)
{
sb.Append("/");
}
}
sb.Append(" ");
sb.Append(CurrentPlayer == WhitePlayer ? "w" : "b");
sb.Append(" ");
//todo: also check king and rook placement and movecount
var castlWhite = WhitePlayer.CastlingToFEN();
var castlBlack = BlackPlayer.CastlingToFEN();
sb.Append(castlWhite + castlBlack);
if (castlWhite + castlBlack == "")
{
sb.Append("-");
}
sb.Append(" ");
var enpRank = CurrentPlayer == WhitePlayer ? "6" : "3";
sb.Append(EnPassantFile.HasValue ? EnPassantFile.Value.ToString().ToLower() + enpRank : "-");
sb.Append(" ");
sb.Append(MovesSinceLastCaptureOrPawnMove);
sb.Append(" ");
sb.Append(CommandCount / 2 + 1);
return(sb.ToString());
}
public Game()
{
GameStatus = GameStatus.InProgress;
WhitePlayer = new WhitePlayer();
BlackPlayer = new BlackPlayer();
CurrentPlayer = WhitePlayer;
board = new Board();
}