X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.h;h=56efb321aedf238a7d8b1ae52ca1e1e26f037f58;hp=8e7f6651620957fe9e6c2978b3cb056b591d1165;hb=e1ed67aacbe7fb4b462b9141d3137bed0a3ea70b;hpb=5c81602d14539f8259a715477315e28b5de7cb54 diff --git a/src/movepick.h b/src/movepick.h index 8e7f6651..56efb321 100644 --- a/src/movepick.h +++ b/src/movepick.h @@ -38,8 +38,8 @@ 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 +/// 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 /// MovePicker::pick_next_move(), which returns a new legal move each time it /// is called, until there are no legal moves left, when MOVE_NONE is returned. /// In order to improve the efficiency of the alpha beta algorithm, MovePicker @@ -47,7 +47,7 @@ struct SearchStack; class MovePicker { - MovePicker& operator=(const MovePicker&); // Silence a warning under MSVC + MovePicker& operator=(const MovePicker&); // silence a warning under MSVC public: @@ -55,21 +55,19 @@ 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 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_KILLERS, // Killer moves from the current ply PH_NONCAPTURES, // Non-captures and underpromotions + PH_BAD_CAPTURES, // Queen promotions and captures with SEE values < 0 PH_EVASIONS, // Check evasions PH_QCAPTURES, // Captures in quiescence search - PH_QCHECKS, // Checks in quiescence search + PH_QCHECKS, // Non-capture checks in quiescence search PH_STOP }; - MovePicker(const Position& p, bool pvnode, Move ttm, const SearchStack& ss, Depth d); + MovePicker(const Position& p, bool pvnode, Move ttm, Depth d, SearchStack* ss = NULL); Move get_next_move(); - Move get_next_move(Lock &lock); + Move get_next_move(Lock& lock); int number_of_moves() const; - int current_move_score() const; Bitboard discovered_check_candidates() const; static void init_phase_table(); @@ -90,6 +88,7 @@ private: int phaseIndex; int numOfMoves, numOfBadCaptures; int movesPicked; + bool checkKillers, checkLegal; bool finished; }; @@ -108,7 +107,7 @@ inline int MovePicker::number_of_moves() const { } /// MovePicker::discovered_check_candidates() returns a bitboard containing -/// all pieces which can possibly give discovered check. This bitboard is +/// all pieces which can possibly give discovered check. This bitboard is /// computed by the constructor function. inline Bitboard MovePicker::discovered_check_candidates() const {