/// <summary>
/// Initializes chess with the custom fen.
/// </summary>
public void InitializeChess(string FEN)
{
Magics.Init(); //Initialize magics ;)
Zobrist.Init(); //Initiliaze zobrist
MvvLva.Init();
//Initialize chess
board = new Board(FEN);
Moves = new SMove[256];
search = new AI(board);
OnTurnSwitched(64, 64); //Call it on start
}
public unsafe void TestHashBoardSet()
{
Zobrist.Init();
var b = Board.Create();
Board.SetPiece(b, 10, Board.PIECE_PAWN, Board.COLOR_WHITE);
Board.SetPiece(b, 34, Board.PIECE_KING, Board.COLOR_BLACK);
Board.SetPiece(b, 4, Board.PIECE_KING, Board.COLOR_WHITE);
Board.SetPiece(b, 12, Board.PIECE_QUEEN, Board.COLOR_WHITE);
Board.SetPiece(b, 61, Board.PIECE_ROOK, Board.COLOR_BLACK);
var hash = Zobrist.Calculate(b);
Assert.AreEqual(hash, b->Hash);
}
public Board()
{
WhitePawns = SquareFlag.A2 | SquareFlag.B2 | SquareFlag.C2 | SquareFlag.D2
| SquareFlag.E2 | SquareFlag.F2 | SquareFlag.G2 | SquareFlag.H2;
WhiteRooks = SquareFlag.A1 | SquareFlag.H1;
WhiteKnights = SquareFlag.B1 | SquareFlag.G1;
WhiteBishops = SquareFlag.C1 | SquareFlag.F1;
WhiteQueens = SquareFlag.D1;
WhiteKing = SquareFlag.E1;
BlackPawns = SquareFlag.A7 | SquareFlag.B7 | SquareFlag.C7 | SquareFlag.D7
| SquareFlag.E7 | SquareFlag.F7 | SquareFlag.G7 | SquareFlag.H7;
BlackRooks = SquareFlag.A8 | SquareFlag.H8;
BlackKnights = SquareFlag.B8 | SquareFlag.G8;
BlackBishops = SquareFlag.C8 | SquareFlag.F8;
BlackQueens = SquareFlag.D8;
BlackKing = SquareFlag.E8;
keyGen.Init();
Key = keyGen.Hash(this, Colour.White);
history.Push(new BoardStateInfo(Key, 0, DefaultState, 0));
}
public unsafe void TestHashWrong1()
{
Zobrist.Init();
var b = Board.Create();
Board.SetPiece(b, 10, Board.PIECE_PAWN, Board.COLOR_WHITE);
Board.SetPiece(b, 34, Board.PIECE_KING, Board.COLOR_BLACK);
var hash = Zobrist.Calculate(b);
var hash2 = Zobrist.Read(Zobrist.IndexRead(Board.PIECE_PAWN | Board.COLOR_WHITE), 10);
hash2 = hash2 ^ Zobrist.Read(Zobrist.IndexRead(Board.PIECE_KING | Board.COLOR_BLACK), 34);
Assert.AreNotEqual(hash2, hash);
}
public unsafe void TestHashBoardUnset()
{
Zobrist.Init();
var b = Board.Create();
Board.Init(b, 1);
Board.ClearPiece(b, 10);
Board.ClearPiece(b, 2);
Board.ClearPiece(b, 62);
Board.ClearPiece(b, 57);
Board.ClearPiece(b, 53);
Board.ClearPiece(b, 30); // empty area
var hash = Zobrist.Calculate(b);
Assert.AreEqual(hash, b->Hash);
}
public unsafe void TestHashOK1()
{
Zobrist.Init();
var b = Board.Create();
Board.SetPiece(b, 10, Board.PIECE_PAWN, Board.COLOR_WHITE);
Board.SetPiece(b, 34, Board.PIECE_KING, Board.COLOR_BLACK);
var hash = Zobrist.Calculate(b);
var hash2 = Zobrist.Read(Zobrist.IndexRead(Board.PIECE_PAWN | Board.COLOR_WHITE), 10);
hash2 = hash2 ^ Zobrist.Read(Zobrist.IndexRead(Board.PIECE_KING | Board.COLOR_BLACK), 34);
hash2 = hash2 ^ Zobrist.Read(Zobrist.ZOBRIST_SIDE, Board.COLOR_WHITE);
hash2 = hash2 ^ Zobrist.Read(Zobrist.ZOBRIST_CASTLING, Board.CASTLE_BK | Board.CASTLE_BQ | Board.CASTLE_WK | Board.CASTLE_WQ);
hash2 = hash2 ^ Zobrist.Read(Zobrist.ZOBRIST_ENPASSANT, 0);
Assert.AreEqual(hash2, hash);
}
public void TestInit()
{
Zobrist.Init();
var tile23 = Zobrist.Read(Board.BOARD_WHITE | Board.BOARD_PAWNS, 23);
}
public KeyGeneratorFixture()
{
KeyGenerator = new Zobrist();
KeyGenerator.Init();
}
public static void Init()
{
Zobrist.Init();
Bitboard.Init();
}
