X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.h;h=f9ffba0c5b563ce8504bd99bddd6dfb2f223112b;hp=9dc08a669e1a63e24d9f47e2053aa0d3f19061c2;hb=be540b6dd73eab00444c068fad707e88b223d608;hpb=23ceb6695073cef741253ab175fabfde48415463 diff --git a/src/pawns.h b/src/pawns.h index 9dc08a66..f9ffba0c 100644 --- a/src/pawns.h +++ b/src/pawns.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 @@ -45,12 +45,12 @@ class PawnInfo { friend class PawnInfoTable; public: - PawnInfo() : key(0) { clear(); } + PawnInfo() { clear(); } - Value mg_value() const; - Value eg_value() const; + Score pawns_value() const; Value kingside_storm_value(Color c) const; Value queenside_storm_value(Color c) const; + Bitboard pawn_attacks(Color c) const; Bitboard passed_pawns() const; int file_is_half_open(Color c, File f) const; int has_open_file_to_left(Color c, File f) const; @@ -63,10 +63,11 @@ private: Key key; Bitboard passedPawns; - int16_t mgValue, egValue; + Bitboard pawnAttacks[2]; + Square kingSquares[2]; + Score value; int16_t ksStormValue[2], qsStormValue[2]; uint8_t halfOpenFiles[2]; - Square kingSquares[2]; uint8_t kingShelters[2]; }; @@ -77,12 +78,20 @@ private: class PawnInfoTable { + enum SideType { KingSide, QueenSide }; + public: PawnInfoTable(unsigned numOfEntries); ~PawnInfoTable(); - PawnInfo* get_pawn_info(const Position& pos); + PawnInfo* get_pawn_info(const Position& pos) const; private: + template + Score evaluate_pawns(const Position& pos, Bitboard ourPawns, Bitboard theirPawns, PawnInfo* pi) const; + + template + int evaluate_pawn_storm(Square s, Rank r, File f, Bitboard theirPawns) const; + unsigned size; PawnInfo* entries; }; @@ -92,18 +101,18 @@ private: //// Inline functions //// -inline Value PawnInfo::mg_value() const { - return Value(mgValue); -} - -inline Value PawnInfo::eg_value() const { - return Value(egValue); +inline Score PawnInfo::pawns_value() const { + return value; } inline Bitboard PawnInfo::passed_pawns() const { return passedPawns; } +inline Bitboard PawnInfo::pawn_attacks(Color c) const { + return pawnAttacks[c]; +} + inline Value PawnInfo::kingside_storm_value(Color c) const { return Value(ksStormValue[c]); }