internal bool TryStringMove(string command)
{
var cmd = MoveCommand.Parse(command);
return(TryPossibleMoveCommand(cmd));
}
public bool TryPossibleMoveCommand(MoveCommand moveCommand)
{
if (Ended)
{
return(false);
}
var fromSquare = Board.Square(moveCommand.FromFile, moveCommand.FromRank);
var toSquare = Board.Square(moveCommand.ToFile, moveCommand.ToRank);
var possibleMoves = GetPseudoLegalMoves();
var piece = fromSquare?.Piece;
var move = possibleMoves.SingleOrDefault(x => x.Piece == piece && x.ToSquare == toSquare);
if (move == null)
{
return(false);
}
TryPerform(move);
if (!move.IsLegal.Value)
{
return(false);
}
if (CurrentPlayer.Color == Color.Black)
{
move.NumberInGame = BlackPlayer.Moves.Count + 1;
}
else
{
move.NumberInGame = (BlackPlayer.Moves.FirstOrDefault()?.NumberInGame ?? 0) + 1;
}
PerformLegalMove(move);
CommandCount++;
if (CommandCount > 127) //There was not room for a bigger number
{
CommandCount = 0;
PositionsDatabase.Instance.Reset();
}
HashHistory.Push(Hash);
if (Ended)
{
return(true);
}
var nextMoves = GetLegalNextMoves(CurrentPlayer.Color);
if (!nextMoves.Any())
{
Ended = true;
if (CurrentPlayer.IsChecked)
{
move.ScoreInfo |= ScoreInfo.Mate;
CurrentPlayer.Mated = true;
Winner = OtherPlayer;
}
else
{
move.ScoreInfo |= ScoreInfo.StaleMate;
IsStaleMate = true;
Ended = true;
}
}
return(true);
}