Line data    Source code

       1             : /*
       2             : * Copyright (C) 2014  Fulvio Benini
       3             : 
       4             : * This file is part of Scid (Shane's Chess Information Database).
       5             : *
       6             : * Scid is free software: you can redistribute it and/or modify
       7             : * it under the terms of the GNU General Public License as published by
       8             : * the Free Software Foundation.
       9             : *
      10             : * Scid is distributed in the hope that it will be useful,
      11             : * but WITHOUT ANY WARRANTY; without even the implied warranty of
      12             : * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      13             : * GNU General Public License for more details.
      14             : *
      15             : * You should have received a copy of the GNU General Public License
      16             : * along with Scid.  If not, see <http://www.gnu.org/licenses/>.
      17             : */
      18             : 
      19             : #ifndef SCID_STORED_H
      20             : #define SCID_STORED_H
      21             : 
      22             : #include "fullmove.h"
      23             : 
      24             : class StoredLine {
      25             :         static const unsigned STORED_LINES = 255;
      26             :         static const FullMove* Moves_[STORED_LINES + 1];
      27             : 
      28             :         int8_t matches_[STORED_LINES + 1];
      29             : 
      30             : public:
      31             :         StoredLine(const pieceT* board, colorT toMove);
      32             : 
      33             :         // Result:
      34             :         //-2 : the game cannot reach the searched position
      35             :         //-1 : the game can reach the searched position
      36             :         //>=0: the game reach the searched position at the returned ply
      37             :         int match(byte code) const { return matches_[code]; }
      38             : 
      39     2298825 :         static uint count () { return STORED_LINES; }
      40     2425730 :         static FullMove getMove (uint code, uint ply = 0) {
      41     2425730 :                 if ((code < STORED_LINES) && (Moves_[code] + ply) < Moves_[code +1]) {
      42     2418828 :                         return Moves_[code][ply];
      43             :                 }
      44        6902 :                 return FullMove();
      45             :         }
      46             : };
      47             : 
      48             : #endif  // #ifndef SCID_STORED_H
      49             : 
      50             : //////////////////////////////////////////////////////////////////////
      51             : //  EOF:    stored.h
      52             : //////////////////////////////////////////////////////////////////////