/// <summary>
/// SPositionからApery用のハッシュキーを取得
/// </summary>
/// <param name="position"></param>
/// <returns></returns>
private static ulong GetKey(SPosition pos)
{
ulong key = 0;
// 盤上の駒
for (AperySquare ap = AperySquare.I9; ap < AperySquare.SquareNum; ap++)
{
int sq = Square.Make(ap.FileOf(), ap.RankOf());
Piece piece = pos.GetPiece(sq);
if (piece != Piece.NoPiece)
{
int index = (int)piece.ConvAperyPiece();
key ^= AperyBook.ZobPiece[index][(int)ap];
}
}
// 持ち駒
for (PieceType pt = PieceType.FU; pt < PieceType.King; pt++)
{
int num = pos.GetHand(pos.Turn, pt);
key ^= AperyBook.ZobHand[(int)pt - 1][num];
}
if (pos.Turn == PlayerColor.White)
{
key ^= AperyBook.ZobTurn;
}
return(key);
}
/// <summary>
/// 局面のハッシュキーを取得
/// </summary>
/// <param name="position"></param>
/// <param name="gikouBook"></param>
/// <returns></returns>
public static long ComputeKey(SPosition position, GikouBook gikouBook)
{
long key = 0;
SPosition pos = (SPosition)position.Clone();
// 後手番であれば、将棋盤を１８０度反転して、先手番として扱う
if (pos.Turn == PlayerColor.White)
{
pos.Flip();
}
// 盤上の駒
int gikout_sq = 0;
foreach (var sq in squareTable)
{
key += gikouBook.HashSeeds.GetPsq((int)pos.GetPiece(sq), gikout_sq);
gikout_sq += 1;
}
// 持ち駒
foreach (PlayerColor color in new PlayerColor[] { PlayerColor.Black, PlayerColor.White })
{
for (int pt = 1; pt < SPosition.HandMax; pt++)
{
for (int n = pos.GetHand(color, (PieceType)pt); n > 0; n--)
{
key += gikouBook.HashSeeds.GetHand((int)color, pt);
}
}
}
return(key);
}
/// <summary>
/// SPositionからApery用のハッシュキーを取得
/// </summary>
/// <param name="position"></param>
/// <returns></returns>
private static ulong GetKey(SPosition pos)
{
ulong key = 0;
// 盤上の駒
for (AperySquare ap = AperySquare.I9; ap < AperySquare.SquareNum; ap++)
{
int sq = Square.Make(ap.FileOf(), ap.RankOf());
Piece piece = pos.GetPiece(sq);
if (piece != Piece.NoPiece)
{
int index = (int)piece.ConvAperyPiece();
key ^= AperyBook.ZobPiece[index][(int)ap];
}
}
// 持ち駒
for (PieceType pt = PieceType.FU; pt < PieceType.King; pt++)
{
int num = pos.GetHand(pos.Turn, pt);
key ^= AperyBook.ZobHand[(int)pt - 1][num];
}
if (pos.Turn == PlayerColor.White)
{
key ^= AperyBook.ZobTurn;
}
return key;
}
public static SBook ImportYaneuraOu(string filename)
{
SBook book = new SBook();
try
{
using (StreamReader sr = new StreamReader(filename))
{
string line;
SPosition pos = new SPosition();
book.Add(pos, null, 0, 0, 0); // 平手初期局面をいれる
while ((line = sr.ReadLine()) != null)
{
if (line.StartsWith("sfen") || line.StartsWith("startpos") || line.StartsWith("position"))
{
Sfen.ReadNotation(pos, line);
}
else if (line.StartsWith("#") || line.StartsWith("//"))
{
// コメント
}
else
{
string[] str_array = line.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (str_array.Length >= 5)
{
MoveData move = Sfen.ParseMove(pos, str_array[0]);
if (move.Piece == Piece.NoPiece || pos.GetPiece(move.ToSquare).ColorOf() == move.Piece.ColorOf())
{
Debug.WriteLine("bb");
}
if (move != null && move.MoveType.IsMoveWithoutPass())
{
int weight;
int depth = 0;
int value = 0;
int.TryParse(str_array[2], out value);
int.TryParse(str_array[3], out depth);
if (int.TryParse(str_array[4], out weight))
{
// 指し手の追加
book.Add(pos, move, weight, value, depth);
}
}
}
}
}
}
// idの付け直し
book.SetIds();
}
catch (Exception ex)
{
throw ex;
}
return(book);
}
public static SBook ImportYaneuraOu(string filename)
{
SBook book = new SBook();
try
{
using (StreamReader sr = new StreamReader(filename))
{
string line;
SPosition pos = new SPosition();
book.Add(pos, null, 0, 0, 0); // 平手初期局面をいれる
while ((line = sr.ReadLine()) != null)
{
if (line.StartsWith("sfen") || line.StartsWith("startpos") || line.StartsWith("position"))
{
Sfen.ReadNotation(pos, line);
}
else if (line.StartsWith("#") || line.StartsWith("//"))
{
// コメント
}
else
{
string[] str_array = line.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
if (str_array.Length >= 5)
{
MoveData move = Sfen.ParseMove(pos, str_array[0]);
if (move.Piece == Piece.NoPiece || pos.GetPiece(move.ToSquare).ColorOf() == move.Piece.ColorOf())
{
Debug.WriteLine("bb");
}
if (move != null && move.MoveType.IsMoveWithoutPass())
{
int weight;
int depth = 0;
int value = 0;
int.TryParse(str_array[2], out value);
int.TryParse(str_array[3], out depth);
if (int.TryParse(str_array[4], out weight))
{
// 指し手の追加
book.Add(pos, move, weight, value, depth);
}
}
}
}
}
}
// idの付け直し
book.SetIds();
}
catch (Exception ex)
{
throw ex;
}
return book;
}
/// <summary>
/// 指し手文字列をパースして指し手を返す
/// </summary>
public static MoveData ParseMove(SPosition position, string move)
{
if (move == "resign")
{
return(new MoveData(MoveType.Resign));
}
else if (move == "win")
{
// 反則勝ち
return(new MoveData(MoveType.WinNyugyoku));
}
else if (move == "draw")
{
return(new MoveData(MoveType.Draw));
}
else if (move == "pass" || move == "0000")
{
// uci的には0000でgpsはpass
return(new MoveData(MoveType.Pass));
}
if (move.Length < 4)
{
return(null);
}
MoveData moveData = new MoveData();
if (move[1] == '*')
{
// 打つ手
moveData.MoveType = MoveType.Drop;
PieceType pieceType;
if (CharToPieceHashtable.TryGetValue((char)move[0], out pieceType))
{
moveData.Piece = (Piece)pieceType | PieceExtensions.PieceFlagFromColor(position.Turn);
}
else
{
// 不明な文字列
moveData.Piece = Piece.NoPiece;
}
int file = FileFromChar(move[2]);
int rank = RankFromChar(move[3]);
if (file < 0 || rank < 0)
{
return(null);
}
moveData.ToSquare = Square.Make(file, rank);
}
else
{
// 移動
moveData.MoveType = MoveType.Normal;
// from
int file = FileFromChar(move[0]);
int rank = RankFromChar(move[1]);
moveData.FromSquare = Square.Make(file, rank);
file = FileFromChar(move[2]);
rank = RankFromChar(move[3]);
if (file < 0 || rank < 0)
{
return(null);
}
moveData.ToSquare = Square.Make(file, rank);
moveData.Piece = position.GetPiece(moveData.FromSquare);
if (move.Length >= 5 && move[4] == '+')
{
// 成り
moveData.MoveType = MoveType.Promotion;
}
}
// 盤面を進める
if (moveData.MoveType.IsMoveWithoutPass())
{
// 指し手の場合
if (position.MoveLast.MoveType.IsMove() && moveData.ToSquare == position.MoveLast.ToSquare)
{
moveData.MoveType |= MoveType.Same; // 同ほげ用のフラグ設定
}
if (position.GetPiece(moveData.ToSquare) != Piece.NoPiece)
{
moveData.MoveType |= MoveType.Capture; // 駒とったフラグ設定
moveData.CapturePiece = position.GetPiece(moveData.ToSquare); // 駒をいれる
}
}
return(moveData);
}
/// <summary>
/// 局面の出力
/// </summary>
/// <param name="position"></param>
/// <param name="sr"></param>
private static void WritePosition(SPosition position, TextWriter wr, int movenumber)
{
int sq = 0;
int space = 0;
// 盤面出力
for (int rank = 0; rank < Square.NRANK; rank++)
{
// 段の切り替わりで/を出力
if (rank != 0)
{
wr.Write('/');
}
for (int file = 0; file < Square.NFILE; file++, sq++)
{
Piece piece = position.GetPiece(sq);
char ch;
if (piece == Piece.NoPiece)
{
space++;
}
else
{
if (space != 0)
{
wr.Write(space);
space = 0;
}
if (piece.IsPromoted())
{
// 成り
wr.Write('+');
}
ch = CharFromPieceType(piece.TypeOf());
if (piece.HasFlag(Piece.WhiteFlag))
{
ch = char.ToLower(ch);
}
wr.Write(ch);
}
}
if (space != 0)
{
wr.Write(space);
space = 0;
}
}
// 手番の出力
if (position.Turn == PlayerColor.White)
{
wr.Write(" w ");
}
else
{
wr.Write(" b ");
}
// 持ち駒の出力
int hand_cnt = 0;
for (PieceType pt = PieceType.HI; pt > PieceType.NoPieceType; pt--)
{
int num = position.GetBlackHand(pt);
if (num != 0)
{
if (num > 1)
{
wr.Write(num);
}
wr.Write(CharFromPieceType(pt));
hand_cnt++;
}
}
for (PieceType pt = PieceType.HI; pt > PieceType.NoPieceType; pt--)
{
int num = position.GetWhiteHand(pt);
if (num != 0)
{
if (num > 1)
{
wr.Write(num);
}
char ch = CharFromPieceType(pt);
ch = char.ToLower(ch); // 後手は小文字
wr.Write(ch);
hand_cnt++;
}
}
if (hand_cnt == 0)
{
wr.Write("-");
}
if (movenumber != 0)
{
wr.Write(" {0}", movenumber); // 手数 実際には次が何手目か
}
}
/// <summary>
/// 指し手文字列をパースして指し手を返す
/// </summary>
public static MoveData ParseMove(SPosition position, string move)
{
if (move == "resign")
{
return new MoveData(MoveType.Resign);
}
else if (move == "win")
{
// 反則勝ち
return new MoveData(MoveType.WinNyugyoku);
}
else if (move == "draw")
{
return new MoveData(MoveType.Draw);
}
else if (move == "pass" || move == "0000")
{
// uci的には0000でgpsはpass
return new MoveData(MoveType.Pass);
}
if (move.Length < 4)
{
return null;
}
MoveData moveData = new MoveData();
if (move[1] == '*')
{
// 打つ手
moveData.MoveType = MoveType.Drop;
PieceType pieceType;
if (CharToPieceHashtable.TryGetValue((char)move[0], out pieceType))
{
moveData.Piece = (Piece)pieceType | PieceExtensions.PieceFlagFromColor(position.Turn);
}
else
{
// 不明な文字列
moveData.Piece = Piece.NoPiece;
}
int file = FileFromChar(move[2]);
int rank = RankFromChar(move[3]);
if (file < 0 || rank < 0)
{
return null;
}
moveData.ToSquare = Square.Make(file, rank);
}
else
{
// 移動
moveData.MoveType = MoveType.Normal;
// from
int file = FileFromChar(move[0]);
int rank = RankFromChar(move[1]);
moveData.FromSquare = Square.Make(file, rank);
file = FileFromChar(move[2]);
rank = RankFromChar(move[3]);
if (file < 0 || rank < 0)
{
return null;
}
moveData.ToSquare = Square.Make(file, rank);
moveData.Piece = position.GetPiece(moveData.FromSquare);
if (move.Length >= 5 && move[4] == '+')
{
// 成り
moveData.MoveType = MoveType.Promotion;
}
}
// 盤面を進める
if (moveData.MoveType.IsMoveWithoutPass())
{
// 指し手の場合
if (position.MoveLast.MoveType.IsMove() && moveData.ToSquare == position.MoveLast.ToSquare)
{
moveData.MoveType |= MoveType.Same; // 同ほげ用のフラグ設定
}
if (position.GetPiece(moveData.ToSquare) != Piece.NoPiece)
{
moveData.MoveType |= MoveType.Capture; // 駒とったフラグ設定
moveData.CapturePiece = position.GetPiece(moveData.ToSquare); // 駒をいれる
}
}
return moveData;
}
/// <summary>
/// 局面の出力
/// </summary>
/// <param name="position"></param>
/// <param name="sr"></param>
private static void WritePosition(SPosition position, TextWriter wr, int movenumber)
{
int sq = 0;
int space = 0;
// 盤面出力
for (int rank = 0; rank < Square.NRANK; rank++)
{
// 段の切り替わりで/を出力
if (rank != 0)
{
wr.Write('/');
}
for (int file = 0; file < Square.NFILE; file++, sq++)
{
Piece piece = position.GetPiece(sq);
char ch;
if (piece == Piece.NoPiece)
{
space++;
}
else
{
if (space != 0)
{
wr.Write(space);
space = 0;
}
if (piece.IsPromoted())
{
// 成り
wr.Write('+');
}
ch = CharFromPieceType(piece.TypeOf());
if (piece.HasFlag(Piece.WhiteFlag))
{
ch = char.ToLower(ch);
}
wr.Write(ch);
}
}
if (space != 0)
{
wr.Write(space);
space = 0;
}
}
// 手番の出力
if (position.Turn == PlayerColor.White)
{
wr.Write(" w ");
}
else
{
wr.Write(" b ");
}
// 持ち駒の出力
int hand_cnt = 0;
for (PieceType pt = PieceType.HI; pt > PieceType.NoPieceType; pt--)
{
int num = position.GetBlackHand(pt);
if (num != 0)
{
if (num > 1)
{
wr.Write(num);
}
wr.Write(CharFromPieceType(pt));
hand_cnt++;
}
}
for (PieceType pt = PieceType.HI; pt > PieceType.NoPieceType; pt--)
{
int num = position.GetWhiteHand(pt);
if (num != 0)
{
if (num > 1)
{
wr.Write(num);
}
char ch = CharFromPieceType(pt);
ch = char.ToLower(ch); // 後手は小文字
wr.Write(ch);
hand_cnt++;
}
}
if (hand_cnt == 0)
{
wr.Write("-");
}
if (movenumber != 0)
{
wr.Write(" {0}", movenumber); // 手数 実際には次が何手目か
}
}