/// <summary>
/// Initializes a new instance of PieceLocationManager from another PieceLocationManager.
/// </summary>
/// <param name="pieceLocationManager">PieceLocationManager to clone from.</param>
public PieceLocationManager(PieceLocationManager pieceLocationManager)
: this()
{
m_locationLast = pieceLocationManager.m_locationLast;
for (int i = 0; i < SIZEOF_LOCATION_LIST; ++i)
m_pieceLocationList[i] = pieceLocationManager.m_pieceLocationList[i];
for (int i = 0; i < SIZEOF_BOARD_MAP; ++i)
m_boardToListMap[i] = pieceLocationManager.m_boardToListMap[i];
}
/// <summary>
/// Initializes a new instance of PieceLocationManager from another PieceLocationManager.
/// </summary>
/// <param name="pieceLocationManager">PieceLocationManager to clone from.</param>
public PieceLocationManager(PieceLocationManager pieceLocationManager)
: this()
{
m_locationLast = pieceLocationManager.m_locationLast;
for (int i = 0; i < SIZEOF_LOCATION_LIST; ++i)
{
m_pieceLocationList[i] = pieceLocationManager.m_pieceLocationList[i];
}
for (int i = 0; i < SIZEOF_BOARD_MAP; ++i)
{
m_boardToListMap[i] = pieceLocationManager.m_boardToListMap[i];
}
}
public Board(Board board)
{
m_squares = new Piece[board.m_squares.Length];
for (int i = 0; i < m_squares.Length; ++i)
{
m_squares[i] = board.m_squares[i];
}
m_state = board.m_state;
m_history = new HashHistory(board.m_history);
m_pieceFactory = FlyweightPieceFactory.Instance();
m_whiteLocationList = new PieceLocationManager(board.m_whiteLocationList);
m_blackLocationList = new PieceLocationManager(board.BlackPieceLocations);
m_whiteKingLocation = board.m_whiteKingLocation;
m_blackKingLocation = board.m_blackKingLocation;
m_boardHash = new ZobristHash(board.m_boardHash);
}
/// <summary>
/// Evaluates a board from the perspective of the current player.
/// </summary>
/// <param name="board">Board to evaluate.</param>
/// <returns>Score for board.</returns>
public int EvaluatePosition(Board board)
{
m_board = board;
m_whiteLocations = board.WhitePieceLocations;
m_blackLocations = board.BlackPieceLocations;
m_whiteScore = 0;
m_blackScore = 0;
EvaluateMaterial();
EvaluatePositions();
EvaluatePawns();
switch (m_board.State.ColorToPlay)
{
case PieceColor.Black:
return m_blackScore - m_whiteScore;
case PieceColor.White:
return m_whiteScore - m_blackScore;
default:
return 0;
}
}
public Board(Board board)
{
m_squares = new Piece[board.m_squares.Length];
for (int i = 0; i < m_squares.Length; ++i)
m_squares[i] = board.m_squares[i];
m_state = board.m_state;
m_history = new HashHistory(board.m_history);
m_pieceFactory = FlyweightPieceFactory.Instance();
m_whiteLocationList = new PieceLocationManager(board.m_whiteLocationList);
m_blackLocationList = new PieceLocationManager(board.BlackPieceLocations);
m_whiteKingLocation = board.m_whiteKingLocation;
m_blackKingLocation = board.m_blackKingLocation;
m_boardHash = new ZobristHash(board.m_boardHash);
}
/// <summary>
/// Initializes a new instance of Board ready to be played on
/// and with pieces put on their initial locations.
/// </summary>
public Board()
{
//we make board twice as big as we use the 0x88 scheme for representing the board
m_squares = new Piece[NOF_SQUARS];
for (int i = 0; i < m_squares.Length; ++i)
m_squares[i] = Piece.None;
m_squares[(int)Square.A1] = Piece.WhiteRook;
m_squares[(int)Square.B1] = Piece.WhiteKnight;
m_squares[(int)Square.C1] = Piece.WhiteBishop;
m_squares[(int)Square.D1] = Piece.WhiteQueen;
m_squares[(int)Square.E1] = Piece.WhiteKing;
m_squares[(int)Square.F1] = Piece.WhiteBishop;
m_squares[(int)Square.G1] = Piece.WhiteKnight;
m_squares[(int)Square.H1] = Piece.WhiteRook;
m_squares[(int)Square.A2] = Piece.WhitePawn;
m_squares[(int)Square.B2] = Piece.WhitePawn;
m_squares[(int)Square.C2] = Piece.WhitePawn;
m_squares[(int)Square.D2] = Piece.WhitePawn;
m_squares[(int)Square.E2] = Piece.WhitePawn;
m_squares[(int)Square.F2] = Piece.WhitePawn;
m_squares[(int)Square.G2] = Piece.WhitePawn;
m_squares[(int)Square.H2] = Piece.WhitePawn;
m_squares[(int)Square.A7] = Piece.BlackPawn;
m_squares[(int)Square.B7] = Piece.BlackPawn;
m_squares[(int)Square.C7] = Piece.BlackPawn;
m_squares[(int)Square.D7] = Piece.BlackPawn;
m_squares[(int)Square.E7] = Piece.BlackPawn;
m_squares[(int)Square.F7] = Piece.BlackPawn;
m_squares[(int)Square.G7] = Piece.BlackPawn;
m_squares[(int)Square.H7] = Piece.BlackPawn;
m_squares[(int)Square.A8] = Piece.BlackRook;
m_squares[(int)Square.B8] = Piece.BlackKnight;
m_squares[(int)Square.C8] = Piece.BlackBishop;
m_squares[(int)Square.D8] = Piece.BlackQueen;
m_squares[(int)Square.E8] = Piece.BlackKing;
m_squares[(int)Square.F8] = Piece.BlackBishop;
m_squares[(int)Square.G8] = Piece.BlackKnight;
m_squares[(int)Square.H8] = Piece.BlackRook;
m_state.ColorToPlay = PieceColor.White;
m_state.WhiteCanCastleShort = true;
m_state.WhiteCanCastleLong = true;
m_state.BlackCanCastleShort = true;
m_state.BlackCanCastleLong = true;
m_state.EnPassantTarget = Square.None;
m_state.NonHitAndPawnMovesPlayed = 0;
m_history = new HashHistory();
m_pieceFactory = FlyweightPieceFactory.Instance();
m_whiteLocationList = new PieceLocationManager();
m_blackLocationList = new PieceLocationManager();
foreach (Square square in this)
{
if (GetPieceColor(square) == PieceColor.White)
m_whiteLocationList.PlacePiece(square);
if (GetPieceColor(square) == PieceColor.Black)
m_blackLocationList.PlacePiece(square);
}
m_whiteKingLocation = Square.E1;
m_blackKingLocation = Square.E8;
m_boardHash = new ZobristHash(this);
AddToHistory();
}
/// <summary>
/// Initializes a new instance of Board ready to be played on
/// and with pieces put on their initial locations.
/// </summary>
public Board()
{
//we make board twice as big as we use the 0x88 scheme for representing the board
m_squares = new Piece[NOF_SQUARS];
for (int i = 0; i < m_squares.Length; ++i)
{
m_squares[i] = Piece.None;
}
m_squares[(int)Square.A1] = Piece.WhiteRook;
m_squares[(int)Square.B1] = Piece.WhiteKnight;
m_squares[(int)Square.C1] = Piece.WhiteBishop;
m_squares[(int)Square.D1] = Piece.WhiteQueen;
m_squares[(int)Square.E1] = Piece.WhiteKing;
m_squares[(int)Square.F1] = Piece.WhiteBishop;
m_squares[(int)Square.G1] = Piece.WhiteKnight;
m_squares[(int)Square.H1] = Piece.WhiteRook;
m_squares[(int)Square.A2] = Piece.WhitePawn;
m_squares[(int)Square.B2] = Piece.WhitePawn;
m_squares[(int)Square.C2] = Piece.WhitePawn;
m_squares[(int)Square.D2] = Piece.WhitePawn;
m_squares[(int)Square.E2] = Piece.WhitePawn;
m_squares[(int)Square.F2] = Piece.WhitePawn;
m_squares[(int)Square.G2] = Piece.WhitePawn;
m_squares[(int)Square.H2] = Piece.WhitePawn;
m_squares[(int)Square.A7] = Piece.BlackPawn;
m_squares[(int)Square.B7] = Piece.BlackPawn;
m_squares[(int)Square.C7] = Piece.BlackPawn;
m_squares[(int)Square.D7] = Piece.BlackPawn;
m_squares[(int)Square.E7] = Piece.BlackPawn;
m_squares[(int)Square.F7] = Piece.BlackPawn;
m_squares[(int)Square.G7] = Piece.BlackPawn;
m_squares[(int)Square.H7] = Piece.BlackPawn;
m_squares[(int)Square.A8] = Piece.BlackRook;
m_squares[(int)Square.B8] = Piece.BlackKnight;
m_squares[(int)Square.C8] = Piece.BlackBishop;
m_squares[(int)Square.D8] = Piece.BlackQueen;
m_squares[(int)Square.E8] = Piece.BlackKing;
m_squares[(int)Square.F8] = Piece.BlackBishop;
m_squares[(int)Square.G8] = Piece.BlackKnight;
m_squares[(int)Square.H8] = Piece.BlackRook;
m_state.ColorToPlay = PieceColor.White;
m_state.WhiteCanCastleShort = true;
m_state.WhiteCanCastleLong = true;
m_state.BlackCanCastleShort = true;
m_state.BlackCanCastleLong = true;
m_state.EnPassantTarget = Square.None;
m_state.NonHitAndPawnMovesPlayed = 0;
m_history = new HashHistory();
m_pieceFactory = FlyweightPieceFactory.Instance();
m_whiteLocationList = new PieceLocationManager();
m_blackLocationList = new PieceLocationManager();
foreach (Square square in this)
{
if (GetPieceColor(square) == PieceColor.White)
{
m_whiteLocationList.PlacePiece(square);
}
if (GetPieceColor(square) == PieceColor.Black)
{
m_blackLocationList.PlacePiece(square);
}
}
m_whiteKingLocation = Square.E1;
m_blackKingLocation = Square.E8;
m_boardHash = new ZobristHash(this);
AddToHistory();
}