X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=a1d53f042c8cb111124746c0b68919bb6285ddb5;hp=eecf53527a7e169a33119ba5461a1bd2bebd8228;hb=2b6bc70f7bf266602a3ca59abb606699bdf544c8;hpb=dd5a3ae4a6c7cc4adcbb4b72378694b0889139d7 diff --git a/src/position.h b/src/position.h index eecf5352..a1d53f04 100644 --- a/src/position.h +++ b/src/position.h @@ -236,7 +236,7 @@ public: // Doing and undoing moves void saveState(); void do_move(Move m, StateInfo& st); - void do_move(Move m, StateInfo& st, Bitboard dcCandidates, bool moveCanBeCheck = true); + void do_move(Move m, StateInfo& st, const CheckInfo& ci, bool moveIsCheck); void undo_move(Move m); void do_null_move(StateInfo& st); void undo_null_move(); @@ -249,13 +249,13 @@ public: // Accessing hash keys Key get_key() const; + Key get_exclusion_key() const; Key get_pawn_key() const; Key get_material_key() const; // Incremental evaluation Score value() const; Value non_pawn_material(Color c) const; - Phase game_phase() const; Score pst_delta(Piece piece, Square from, Square to) const; // Game termination checks @@ -296,9 +296,6 @@ private: void undo_castle_move(Move m); void find_checkers(); - template - void update_checkers(Bitboard* pCheckersBB, Square ksq, Square from, Square to, Bitboard dcCandidates); - template Bitboard hidden_checkers(Color c) const; @@ -341,6 +338,7 @@ private: static Key zobMaterial[2][8][16]; static Key zobSideToMove; static Score PieceSquareTable[16][64]; + static Key zobExclusion; }; @@ -505,6 +503,10 @@ inline Key Position::get_key() const { return st->key; } +inline Key Position::get_exclusion_key() const { + return st->key ^ zobExclusion; +} + inline Key Position::get_pawn_key() const { return st->pawnKey; } @@ -529,22 +531,6 @@ inline Value Position::non_pawn_material(Color c) const { return st->npMaterial[c]; } -inline Phase Position::game_phase() const { - - // Values modified by Joona Kiiski - static const Value MidgameLimit = Value(15581); - static const Value EndgameLimit = Value(3998); - - Value npm = non_pawn_material(WHITE) + non_pawn_material(BLACK); - - if (npm >= MidgameLimit) - return PHASE_MIDGAME; - else if(npm <= EndgameLimit) - return PHASE_ENDGAME; - else - return Phase(((npm - EndgameLimit) * 128) / (MidgameLimit - EndgameLimit)); -} - inline bool Position::move_is_passed_pawn_push(Move m) const { Color c = side_to_move();