public void TestFileRaysInitialisation()
{
Initialiser fileRayBitboard = new Initialiser();
UInt64[] fileRays = fileRayBitboard.InitialiseFileRays();
TestingHelper helper = new TestingHelper();
string fileRayBoardString = helper.BitboardToBoardString(fileRays[5]);
Debug.WriteLine(fileRayBoardString);
}
public void TestDiagonalForSquare()
{
TestingHelper helper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64 diag = bitboards.GetDiagonalForSquare(18);
string boardString = helper.BitboardToBoardString(diag);
Debug.WriteLine(boardString);
}
public void TestEastRayInitialisation()
{
Initialiser eastRayBitboard = new Initialiser();
UInt64[] eastRayBoard = eastRayBitboard.InitialiseEast();
TestingHelper helper = new TestingHelper();
string eastRayBoardString = helper.BitboardToBoardString(eastRayBoard[0]);
Debug.WriteLine(eastRayBoardString);
}
public void TestDiagonalValues()
{
TestingHelper helper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[0] << 18;
string boardString = helper.BitboardToBoardString(diag);
Debug.WriteLine(boardString);
}
public void TestAntiDiagonals()
{
TestingHelper helper = new TestingHelper();
Initialiser antiDiagsInitialiser = new Initialiser();
UInt64[] fileAntiDiags = antiDiagsInitialiser.InitialiseFileAntiDiagonals();
UInt64 northWestRay = fileAntiDiags[5]>>7;
string antiDiagonalBoardString = helper.BitboardToBoardString(northWestRay);
Debug.WriteLine(antiDiagonalBoardString);
}
public void TestAntiDiagonalForSquare()
{
TestingHelper helper = new TestingHelper();
Initialiser antiDiagsForSquare = new Initialiser();
UInt64 antiDiag = antiDiagsForSquare.GetAntiDiagonalForSquare(63);
string boardString = helper.BitboardToBoardString(antiDiag);
Debug.WriteLine(boardString);
}
public void TestFirstSquareOfDiagonal()
{
TestingHelper helper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[1];
UInt64 firstSquare = diag & ~(diag - 1);
// OptimiseTODO: consider bit-shifting instead of log. see http://community.topcoder.com/tc?module=Static&d1=tutorials&d2=bitManipulation
int firstSquareIndex = (int)Math.Log(firstSquare, 2);
Debug.WriteLine(firstSquareIndex);
string boardString = helper.BitboardToBoardString(firstSquare);
Debug.WriteLine(boardString);
}
public void TestMS1B()
{
TestingHelper testingHelper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = Constants.MainDiagonal;
//rankDiags[1];
BitHelper bitHelper = new BitHelper();
UInt64 ms1b = bitHelper.GetMostSignificant1Bit(diag);
Debug.WriteLine("Diagonal:");
Debug.WriteLine(testingHelper.BitboardToBoardString(diag));
Debug.WriteLine("MS1B:");
Debug.WriteLine(testingHelper.BitboardToBoardString(ms1b));
}
public void TestWestRayInitialisation()
{
Initialiser westRayBitboard = new Initialiser();
UInt64[] westRayBoard = westRayBitboard.InitialiseWest();
TestingHelper helper = new TestingHelper();
string westRayBoardString = helper.BitboardToBoardString(westRayBoard[48]);
Debug.WriteLine(westRayBoardString);
}
public void TestSouthWestRayInitialisation()
{
Initialiser southWestRayBitboard = new Initialiser();
UInt64[] southWestRayBoard = southWestRayBitboard.InitialiseSouthWest();
TestingHelper helper = new TestingHelper();
string southWestRayBoardString = helper.BitboardToBoardString(southWestRayBoard[34]);
Debug.WriteLine(southWestRayBoardString);
}
public void TestNorthWestRayInitialisation()
{
Initialiser northWestRayBitboard = new Initialiser();
UInt64[] northWestRayBoard = northWestRayBitboard.InitialiseNorthWest();
TestingHelper helper = new TestingHelper();
string northWestRayBoardString = helper.BitboardToBoardString(northWestRayBoard[19]);
Debug.WriteLine(northWestRayBoardString);
}
public void TestMS1BMask()
{
TestingHelper testingHelper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[1];
BitHelper bitHelper = new BitHelper();
UInt64 mask = bitHelper.GetMostSignificant1BitMask(diag);
Debug.WriteLine("Diagonal:");
Debug.WriteLine(testingHelper.BitboardToBoardString(diag));
Debug.WriteLine("Mask:");
Debug.WriteLine(testingHelper.BitboardToBoardString(mask));
}
public void TestMS1BIndex()
{
TestingHelper testingHelper = new TestingHelper();
Initialiser bitboards = new Initialiser();
UInt64[] rankDiags = bitboards.InitialiseRankDiagonals();
UInt64 diag = rankDiags[1];
BitHelper bitHelper = new BitHelper();
int ms1bIndex = BitHelper.GetMostSignificant1BitIndex2(diag);
// bitHelper.GetMostSignificant1BitIndex(diag);
Debug.WriteLine("Diagonal:");
Debug.WriteLine(testingHelper.BitboardToBoardString(diag));
}
private void Initialise()
{
// initialise the current position board
for (Int16 i = 0; i < 64; i++)
{
squareToPiece[i] = Piece.None;
}
squareToPiece[0] = Piece.WhiteRook;
squareToPiece[1] = Piece.WhiteKnight;
squareToPiece[2] = Piece.WhiteBishop;
squareToPiece[3] = Piece.WhiteQueen;
squareToPiece[4] = Piece.WhiteKing;
squareToPiece[5] = Piece.WhiteBishop;
squareToPiece[6] = Piece.WhiteKnight;
squareToPiece[7] = Piece.WhiteRook;
squareToPiece[8] = Piece.WhitePawn;
squareToPiece[9] = Piece.WhitePawn;
squareToPiece[10] = Piece.WhitePawn;
squareToPiece[11] = Piece.WhitePawn;
squareToPiece[12] = Piece.WhitePawn;
squareToPiece[13] = Piece.WhitePawn;
squareToPiece[14] = Piece.WhitePawn;
squareToPiece[15] = Piece.WhitePawn;
squareToPiece[63] = Piece.BlackRook;
squareToPiece[62] = Piece.BlackKnight;
squareToPiece[61] = Piece.BlackBishop;
squareToPiece[60] = Piece.BlackKing;
squareToPiece[59] = Piece.BlackQueen;
squareToPiece[58] = Piece.BlackBishop;
squareToPiece[57] = Piece.BlackKnight;
squareToPiece[56] = Piece.BlackRook;
squareToPiece[55] = Piece.BlackPawn;
squareToPiece[54] = Piece.BlackPawn;
squareToPiece[53] = Piece.BlackPawn;
squareToPiece[52] = Piece.BlackPawn;
squareToPiece[51] = Piece.BlackPawn;
squareToPiece[50] = Piece.BlackPawn;
squareToPiece[49] = Piece.BlackPawn;
squareToPiece[48] = Piece.BlackPawn;
// initialise piece to bitboard dictionary
PieceToBitboard[Piece.BlackKing.Index] = Constants.InitialBlackKingBitboard;
PieceToBitboard[Piece.BlackQueen.Index] = Constants.InitialBlackQueensBitboard;
PieceToBitboard[Piece.BlackRook.Index] = Constants.InitialBlackRooksBitboard;
PieceToBitboard[Piece.BlackBishop.Index] = Constants.InitialBlackBishopsBitboard;
PieceToBitboard[Piece.BlackKnight.Index] = Constants.InitialBlackKnightsBitboard;
PieceToBitboard[Piece.BlackPawn.Index] = Constants.InitialBlackPawnsBitboard;
PieceToBitboard[Piece.WhiteKing.Index] = Constants.InitialWhiteKingBitboard;
PieceToBitboard[Piece.WhiteQueen.Index] = Constants.InitialWhiteQueensBitboard;
PieceToBitboard[Piece.WhiteRook.Index] = Constants.InitialWhiteRooksBitboard;
PieceToBitboard[Piece.WhiteBishop.Index] = Constants.InitialWhiteBishopsBitboard;
PieceToBitboard[Piece.WhiteKnight.Index] = Constants.InitialWhiteKnightsBitboard;
PieceToBitboard[Piece.WhitePawn.Index] = Constants.InitialWhitePawnsBitboard;
PieceToBitboard[Piece.None.Index] = 0;
Initialiser initialiser = new Initialiser();
_rayAttacks = initialiser.GenerateRayAttacks();
// initialise rank masks
_rankMasks = new UInt64[8];
UInt64 zerothRankMask = 0x00000000000000FF;
int shiftBy = 0;
for (int i = 0; i < 8; i++)
{
shiftBy = 8 * i;
_rankMasks[i] = zerothRankMask << shiftBy;
}
// set up zobrist hash
InitialiseZobristHash();
}