/// <summary>
/// SBookをGikou形式に変換して保存する
/// </summary>
/// <param name="book"></param>
/// <param name="filename"></param>
public static void ExportGikou(this SBook book, string filename)
{
//
GikouBook gikouBook = new GikouBook();
{
SPosition position = new SPosition();
book.ClearCount();
int cnt = 0;
foreach (SBookState state in book.BookStates)
{
if (state.Count == 0 && ((state.Id == 0) || (state.Position != string.Empty)))
{
if (state.Position != string.Empty)
{
Sfen.PositionFromString(position, state.Position);
}
// 指し手の出力 ルートからの局面以外はやねうら王2016には正しく認識されない
WriteMoves(state, position, gikouBook);
}
cnt++;
}
}
gikouBook.Save(filename);
}
private static void ReadGikouBook(SBook book, GikouBook gbook, SPosition pos)
{
long key = ExportGikouBook.ComputeKey(pos, gbook);
SBookState state = book.GetBookState(pos.PositionToString(1));
if (state != null && state.Moves.Count != 0)
{
// すでに登録されてる？
return;
}
// 局面登録
book.Add(pos, null, 0, 0, 0);
List <GikouBookEntry> entrys = gbook.GetEntry(key);
if (entrys != null)
{
foreach (GikouBookEntry en in entrys)
{
MoveData move = ConvertMove(pos.Turn, en.Move);
book.Add(pos, move, (int)en.Frequency, en.Score, 1);
}
foreach (GikouBookEntry en in entrys)
{
MoveData move = ConvertMove(pos.Turn, en.Move);
pos.Move(move);
ReadGikouBook(book, gbook, pos);
pos.UnMove(move, null);
}
}
}
/// <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>
/// 指し手の出力
/// </summary>
/// <param name="bookstate"></param>
/// <param name="position"></param>
/// <param name="aperyBook"></param>
private static void WriteMoves(SBookState bookstate, SPosition position, GikouBook gikouBook)
{
if (bookstate == null)
{
return;
}
if (bookstate.Count != 0)
{
return; // 既に出力した
}
bookstate.Count++;
int count = 0;
foreach (SBookMove move in bookstate.Moves)
{
if (move.Weight != 0)
{
count++;
}
}
if (count != 0)
{
long key = ComputeKey(position, gikouBook);
foreach (SBookMove move in bookstate.Moves)
{
if (move.Weight != 0)
{
gikouBook.Add(key, (uint)move.Weight, (uint)move.Weight, move.Value, move.ConvertGikouMove());
}
}
}
foreach (SBookMove move in bookstate.Moves)
{
// 指し手の出力
MoveData moveData = move.GetMoveData();
if (position.Move(moveData))
{
// 再帰呼び出し
WriteMoves(move.NextState, position, gikouBook);
position.UnMove(moveData, null);
}
}
}
public static SBook Import(string filename)
{
SBook book = new SBook();
SPosition pos = new SPosition();
try
{
GikouBook gbook = new GikouBook(filename);
ReadGikouBook(book, gbook, pos);
}
catch (Exception ex)
{
throw ex;
}
return(book);
}
