X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.h;h=b31d9dd2d48dafbdc3fc1f985e58189f645f5404;hp=3d87b9c3b5c7998121366efb615f58525247d5f5;hb=9ab84a816539ade23868f0383e39634e6ab88df5;hpb=3d0b60b0653852198011306a4c8d34f8ef98fc5e diff --git a/src/movepick.h b/src/movepick.h index 3d87b9c3..b31d9dd2 100644 --- a/src/movepick.h +++ b/src/movepick.h @@ -26,6 +26,7 @@ //// #include "depth.h" +#include "history.h" #include "lock.h" #include "position.h" @@ -34,10 +35,22 @@ //// Types //// -struct EvalInfo; struct SearchStack; -extern SearchStack EmptySearchStack; +enum MovegenPhase { + PH_NULL_MOVE, // Null move + PH_TT_MOVES, // Transposition table move and mate killer + PH_GOOD_CAPTURES, // Queen promotions and captures with SEE values >= 0 + 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, // Non-capture checks in quiescence search + PH_STOP +}; + +typedef uint8_t MovegenPhaseT; /// 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 @@ -52,46 +65,27 @@ 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_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, // 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, Move ttm, Depth d, const History& h, SearchStack* ss = NULL, bool useNullMove = false); Move get_next_move(); Move get_next_move(Lock& lock); int number_of_moves() const; Bitboard discovered_check_candidates() const; - static void init_phase_table(); - private: void score_captures(); void score_noncaptures(); void score_evasions(); - void score_qcaptures(); - Move pick_move_from_list(); + void go_next_phase(); 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; - bool checkKillers, checkLegal; + const History& H; + MoveStack ttMoves[2], killers[2]; bool finished; + int numOfBadCaptures, phase; + const MovegenPhaseT* phasePtr; + MoveStack *curMove, *lastMove; + Bitboard dc, pinned; + MoveStack moves[256], badCaptures[64]; }; @@ -105,7 +99,7 @@ private: /// a single reply to check. inline int MovePicker::number_of_moves() const { - return numOfMoves; + return int(lastMove - moves); } /// MovePicker::discovered_check_candidates() returns a bitboard containing