X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmaterial.h;h=9d2175c1038c6d35142faf8d7704e9d24a2af237;hp=0c5829689ee122049b49a015a92c36302a5611d3;hb=9a3fc4d3fb81e5f517ecde5dad8aabf55fb2bd22;hpb=4626ec2890b140829e9971658ca948005b945fd4 diff --git a/src/material.h b/src/material.h index 0c582968..9d2175c1 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 @@ -54,6 +54,7 @@ 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 +67,7 @@ private: EndgameEvaluationFunctionBase* evaluationFunction; EndgameScalingFunctionBase* scalingFunction[2]; int spaceWeight; + Phase gamePhase; }; /// The MaterialInfoTable class represents a pawn hash table. It is basically @@ -81,6 +83,8 @@ public: ~MaterialInfoTable(); MaterialInfo* get_material_info(const Position& pos); + static Phase game_phase(const Position& pos); + private: unsigned size; MaterialInfo* entries; @@ -92,12 +96,13 @@ private: //// Inline functions //// + /// MaterialInfo::material_value simply returns the material balance /// evaluation that is independent from game phase. inline Score MaterialInfo::material_value() const { - return Score(value, value); + return make_score(value, value); } @@ -141,6 +146,14 @@ 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,