private IrrevState(ZobristHashUtils zobristHashUtils, bool[,] castlingAllowed, ulong zobristHash, int halfmoveClock, int pliesFromNull)
{
this.zobristHashUtils = zobristHashUtils;
CastlingAllowed = castlingAllowed;
ZobristHash = zobristHash;
HalfmoveClock = halfmoveClock;
PliesFromNull = pliesFromNull;
}
public void MakeNullMove()
{
IrrevState irrevState = GetIrrevState().CopyBeforeMove();
IrrevStates.Add(irrevState);
ChangeTurn();
ZobristHashUtils.UpdateTurn(ref GetIrrevState().ZobristHash);
irrevState.PliesFromNull = 0;
}
public static GameState Build(string fen = null)
{
PregeneratedAttacksData pregeneratedAttacks = new PregeneratedAttacksData();
ZobristHashUtils zobristHashUtils = new ZobristHashUtils();
pregeneratedAttacks.Initialize();
GameState gameState = fen == null ? new GameState(pregeneratedAttacks, zobristHashUtils) : new GameState(fen, pregeneratedAttacks, zobristHashUtils);
return(gameState);
}
public GameState(string fen, PregeneratedAttacksData pregeneratedAttacks, ZobristHashUtils zobristHashUtils)
{
PregeneratedAttacks = pregeneratedAttacks;
ZobristHashUtils = zobristHashUtils;
moveGeneratorBuilder = new MoveGeneratorBuilder(this, PregeneratedAttacks);
for (int i = 0; i < 6; i++)
{
MoveGenerators[i] = moveGeneratorBuilder.Build((PieceType)i);
}
LoadPosition(fen);
}
private IrrevState(ZobristHashUtils zobristHashUtils, bool[,] castlingAllowed, ulong enPassantCapture, ulong zobristHash,
bool?isCheck, int halfmoveClock, int pliesFromNull)
{
this.zobristHashUtils = zobristHashUtils;
CastlingAllowed = castlingAllowed;
EnPassantCapture = enPassantCapture;
ZobristHash = zobristHash;
IsCheck = isCheck;
HalfmoveClock = halfmoveClock;
PliesFromNull = pliesFromNull;
}
public GameState(PregeneratedAttacksData pregeneratedAttacks, ZobristHashUtils zobristHashUtils) : this(DEFAULT_FEN, pregeneratedAttacks, zobristHashUtils)
{
}
public IrrevState(ZobristHashUtils zobristHashUtils)
{
this.zobristHashUtils = zobristHashUtils;
}
public OpeningBook(PregeneratedAttacksData pregeneratedAttacks, ZobristHashUtils zobristHashUtils)
{
this.zobristHashUtils = zobristHashUtils;
this.pregeneratedAttacks = pregeneratedAttacks;
}
