X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovepick.h;h=ad76085bd86bbf08fae48ea02044a92a16e85dfb;hp=69cf6ff67404ea740850aa169e9f8f8dcb90f542;hb=9ba7f701ead00fd4a59841d457d15a15d3b84378;hpb=c7866a4215c31d7d0af8e8550fbf8c13f6ea1d1a diff --git a/src/movepick.h b/src/movepick.h index 69cf6ff6..ad76085b 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) 2008-2009 Marco Costalba + Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -17,23 +17,13 @@ along with this program. If not, see . */ - #if !defined MOVEPICK_H_INCLUDED #define MOVEPICK_H_INCLUDED -//// -//// Includes -//// - #include "depth.h" #include "history.h" #include "position.h" - -//// -//// Types -//// - struct SearchStack; /// MovePicker is a class which is used to pick one legal move at a time from @@ -49,39 +39,24 @@ class MovePicker { MovePicker& operator=(const MovePicker&); // silence a warning under MSVC public: - MovePicker(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss = NULL); + MovePicker(const Position& p, Move ttm, Depth d, const History& h, SearchStack* ss, Value beta); + MovePicker(const Position& p, Move ttm, Depth d, const History& h); Move get_next_move(); - int number_of_evasions() const; private: void score_captures(); void score_noncaptures(); - void score_evasions_or_checks(); + void score_evasions(); void go_next_phase(); const Position& pos; const History& H; + Bitboard pinned; MoveStack ttMoves[2], killers[2]; - int phase; + int badCaptureThreshold, phase; const uint8_t* phasePtr; - MoveStack *curMove, *lastMove, *lastGoodNonCapture, *lastBadCapture; - Bitboard pinned; - MoveStack moves[256], badCaptures[64]; + MoveStack *curMove, *lastMove, *lastGoodNonCapture, *badCaptures; + MoveStack moves[MOVES_MAX]; }; - -//// -//// Inline functions -//// - -/// MovePicker::number_of_evasions() simply returns the number of moves in -/// evasions phase. It is intended to be used in positions where the side to -/// move is in check, for detecting checkmates or situations where there is -/// only a single reply to check. -/// WARNING: It works as long as PH_EVASIONS is the _only_ phase for evasions. - -inline int MovePicker::number_of_evasions() const { - return int(lastMove - moves); -} - #endif // !defined(MOVEPICK_H_INCLUDED)