X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.h;h=124619d66a0c20805fa5d5d3f328f6167d0b6943;hp=88b5554537e72a935606d0665a0f1668838f26a4;hb=bc654257e74af3ffe837c0fff6e663a073ab8bbf;hpb=3b46df546dd8b17963abae887acff6e91e2b945e diff --git a/src/pawns.h b/src/pawns.h index 88b55545..124619d6 100644 --- a/src/pawns.h +++ b/src/pawns.h @@ -1,8 +1,6 @@ /* Stockfish, a UCI chess playing engine derived from Glaurung 2.1 - Copyright (C) 2004-2008 Tord Romstad (Glaurung author) - Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad - Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad + Copyright (C) 2004-2021 The Stockfish developers (see AUTHORS file) Stockfish is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -25,7 +23,7 @@ #include "position.h" #include "types.h" -namespace Pawns { +namespace Stockfish::Pawns { /// Pawns::Entry contains various information about a pawn structure. A lookup /// to the pawn hash table (performed by calling the probe function) returns a @@ -37,8 +35,8 @@ struct Entry { Bitboard pawn_attacks(Color c) const { return pawnAttacks[c]; } Bitboard passed_pawns(Color c) const { return passedPawns[c]; } Bitboard pawn_attacks_span(Color c) const { return pawnAttacksSpan[c]; } - int weak_unopposed(Color c) const { return weakUnopposed[c]; } - int passed_count() const { return popcount(passedPawns[WHITE] | passedPawns[BLACK]); }; + int passed_count() const { return popcount(passedPawns[WHITE] | passedPawns[BLACK]); } + int blocked_count() const { return blockedCount; } template Score king_safety(const Position& pos) { @@ -50,7 +48,7 @@ struct Entry { Score do_king_safety(const Position& pos); template - Value evaluate_shelter(const Position& pos, Square ksq); + Score evaluate_shelter(const Position& pos, Square ksq) const; Key key; Score scores[COLOR_NB]; @@ -59,15 +57,14 @@ struct Entry { Bitboard pawnAttacksSpan[COLOR_NB]; Square kingSquares[COLOR_NB]; Score kingSafety[COLOR_NB]; - int weakUnopposed[COLOR_NB]; int castlingRights[COLOR_NB]; - int pawnsOnSquares[COLOR_NB][COLOR_NB]; // [color][light/dark squares] + int blockedCount; }; -typedef HashTable Table; +typedef HashTable Table; Entry* probe(const Position& pos); -} // namespace Pawns +} // namespace Stockfish::Pawns #endif // #ifndef PAWNS_H_INCLUDED