X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.h;h=e0d6ca53ca1b091e875e5b5ac88da0cc153c1f92;hp=839d1bd2908ee54f81a9d06bf2450a52b6812a74;hb=683e6dc6566719f8737fad9bc30580bb0b4d8d20;hpb=2943e1ca3171341cd301b18280f3fa3b6bdda162 diff --git a/src/movepick.h b/src/movepick.h index 839d1bd2..e0d6ca53 100644 --- a/src/movepick.h +++ b/src/movepick.h @@ -1,17 +1,18 @@ /* - Glaurung, a UCI chess playing engine. - Copyright (C) 2004-2008 Tord Romstad + Stockfish, a UCI chess playing engine derived from Glaurung 2.1 + Copyright (C) 2004-2008 Tord Romstad (Glaurung author) + Copyright (C) 2008 Marco Costalba - Glaurung is free software: you can redistribute it and/or modify + 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. - - Glaurung is distributed in the hope that it will be useful, + + 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 . */ @@ -33,6 +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 @@ -49,7 +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 @@ -59,13 +63,12 @@ public: PH_STOP }; - MovePicker(const Position& p, bool pvnode, Move ttm, Move mk, Move k1, Move k2, Depth d); + MovePicker(const Position& p, bool pvnode, Move ttm, const SearchStack& ss, Depth d, EvalInfo* ei = NULL); Move get_next_move(); Move get_next_move(Lock &lock); int number_of_moves() const; int current_move_score() const; MovegenPhase current_move_type() const; - Bitboard discovered_check_candidates() const; static void init_phase_table(); @@ -75,16 +78,17 @@ private: void score_evasions(); void score_qcaptures(); Move pick_move_from_list(); - + 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]; bool pvNode; Depth depth; int phaseIndex; int numOfMoves, numOfBadCaptures; - int movesPicked, badCapturesPicked; + int movesPicked; bool finished; }; @@ -99,15 +103,8 @@ private: /// a single reply to check. inline int MovePicker::number_of_moves() const { - return numOfMoves; -} -/// MovePicker::discovered_check_candidates() returns a bitboard containing -/// all pieces which can possibly give discovered check. This bitboard is -/// computed by the constructor function. - -inline Bitboard MovePicker::discovered_check_candidates() const { - return dc; + return numOfMoves; } #endif // !defined(MOVEPICK_H_INCLUDED)