X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.h;h=c2619be8baa03602703155e79bb0911dadc16a5c;hp=cbb69a014dd83373193b6ef0eb68eff5f912a688;hb=5a0581498cde3d0904924d8ef7ed25ea1a2c855a;hpb=f8bc38a00650c5f4c71aec6f6d5503c7ae4c17a3 diff --git a/src/movepick.h b/src/movepick.h index cbb69a01..c2619be8 100644 --- a/src/movepick.h +++ b/src/movepick.h @@ -2,17 +2,17 @@ Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) Copyright (C) 2008 Marco Costalba - + Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - + Stockfish is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program. If not, see . */ @@ -34,6 +34,9 @@ //// Types //// +struct EvalInfo; +struct SearchStack; + /// MovePicker is a class which is used to pick one legal move at a time from /// the current position. It is initialized with a Position object and a few /// moves we have reason to believe are good. The most important method is @@ -50,7 +53,7 @@ public: PH_TT_MOVE, // Transposition table move PH_MATE_KILLER, // Mate killer from the current ply PH_GOOD_CAPTURES, // Queen promotions and captures with SEE values >= 0 - PH_BAD_CAPTURES, // Queen promotions and captures with SEE valuse <= 0 + PH_BAD_CAPTURES, // Queen promotions and captures with SEE values < 0 PH_KILLER_1, // Killer move 1 from the current ply (not used yet). PH_KILLER_2, // Killer move 2 from the current ply (not used yet). PH_NONCAPTURES, // Non-captures and underpromotions @@ -60,8 +63,7 @@ public: PH_STOP }; - MovePicker(Position &p, bool pvnode, Move ttm, Move mk, Move k1, Move k2, - Depth dpth); + MovePicker(const Position& p, bool pvnode, Move ttm, const SearchStack& ss, Depth d); Move get_next_move(); Move get_next_move(Lock &lock); int number_of_moves() const; @@ -77,8 +79,10 @@ private: void score_evasions(); void score_qcaptures(); Move pick_move_from_list(); - - Position *pos; + int find_best_index(); + int find_best_index(Bitboard* squares, int values[]); + + const Position& pos; Move ttMove, mateKiller, killer1, killer2; Bitboard pinned, dc; MoveStack moves[256], badCaptures[64]; @@ -86,7 +90,7 @@ private: Depth depth; int phaseIndex; int numOfMoves, numOfBadCaptures; - int movesPicked, badCapturesPicked; + int movesPicked; bool finished; }; @@ -101,7 +105,6 @@ private: /// a single reply to check. inline int MovePicker::number_of_moves() const { - return numOfMoves; }