X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.h;h=5e8eb5fda88fcbd710b7831a09a84822a5bf2ef2;hp=72d449131439e1ed05cec5bea24056549b1374a0;hb=a98dee783582c84ca2647ca28daad0c9a13d1d35;hpb=ef6fca98a0b70b82ba701e6969a80cd9daf78705 diff --git a/src/material.h b/src/material.h index 72d44913..5e8eb5fd 100644 --- a/src/material.h +++ b/src/material.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 @@ -27,7 +27,6 @@ #include "endgame.h" #include "position.h" -#include "scale.h" //// @@ -54,6 +53,7 @@ public: Score material_value() const; ScaleFactor scale_factor(const Position& pos, Color c) const; int space_weight() const; + Phase game_phase() const; bool specialized_eval_exists() const; Value evaluate(const Position& pos) const; @@ -66,6 +66,7 @@ private: EndgameEvaluationFunctionBase* evaluationFunction; EndgameScalingFunctionBase* scalingFunction[2]; int spaceWeight; + Phase gamePhase; }; /// The MaterialInfoTable class represents a pawn hash table. It is basically @@ -81,6 +82,8 @@ public: ~MaterialInfoTable(); MaterialInfo* get_material_info(const Position& pos); + static Phase game_phase(const Position& pos); + private: unsigned size; MaterialInfo* entries; @@ -92,6 +95,7 @@ private: //// Inline functions //// + /// MaterialInfo::material_value simply returns the material balance /// evaluation that is independent from game phase. @@ -141,6 +145,14 @@ inline int MaterialInfo::space_weight() const { return spaceWeight; } +/// MaterialInfo::game_phase() returns the game phase according +/// to this material configuration. + +inline Phase MaterialInfo::game_phase() const { + + return gamePhase; +} + /// MaterialInfo::specialized_eval_exists decides whether there is a /// specialized evaluation function for the current material configuration,