X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.h;h=0ac4bb6cd206799c11504f51194c470daa20101a;hp=b48bd8b80bd528e8cff46fef072f13965d88524d;hb=3b1e64ab72cb2373b9e675ebcc8a1f7c94c71dfd;hpb=4f14bd50326d058fe14ae1dd51c57fac99b74153 diff --git a/src/movepick.h b/src/movepick.h index b48bd8b8..0ac4bb6c 100644 --- a/src/movepick.h +++ b/src/movepick.h @@ -1,7 +1,7 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008 Marco Costalba + Copyright (C) 2008-2009 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 @@ -34,6 +34,11 @@ //// Types //// +struct EvalInfo; +struct SearchStack; + +extern SearchStack EmptySearchStack; + /// 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 @@ -44,13 +49,15 @@ class MovePicker { + MovePicker& operator=(const MovePicker&); // Silence a warning under MSVC + public: enum MovegenPhase { 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 @@ -60,12 +67,11 @@ 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); 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(); @@ -76,7 +82,6 @@ private: void score_evasions(); void score_qcaptures(); Move pick_move_from_list(); - int find_best_index(); const Position& pos; Move ttMove, mateKiller, killer1, killer2; @@ -86,7 +91,7 @@ private: Depth depth; int phaseIndex; int numOfMoves, numOfBadCaptures; - int movesPicked, badCapturesPicked; + int movesPicked; bool finished; }; @@ -101,7 +106,6 @@ private: /// a single reply to check. inline int MovePicker::number_of_moves() const { - return numOfMoves; }