X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.h;h=f9ffba0c5b563ce8504bd99bddd6dfb2f223112b;hp=ba94a72319ef665728206d89aa68ac39e5785c0a;hb=977cd9520a70c902c703c6eed177fabb85f8a41e;hpb=080a4995a3977a0fe7071e62151dc4d716a13302

diff --git a/src/pawns.h b/src/pawns.h
index ba94a723..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;
@@ -58,16 +58,17 @@ public:
   int get_king_shelter(const Position& pos, Color c, Square ksq);
 
 private:
-  inline void clear();
+  void clear();
   int updateShelter(const Position& pos, Color c, Square ksq);
 
   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];
-  int16_t kingShelters[2];
+  uint8_t kingShelters[2];
 };
 
 /// The PawnInfoTable class represents a pawn hash table.  It is basically
@@ -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<Color Us>
+  Score evaluate_pawns(const Position& pos, Bitboard ourPawns, Bitboard theirPawns, PawnInfo* pi) const;
+
+  template<Color Us, SideType Side>
+  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]);
 }
@@ -128,15 +137,4 @@ inline int PawnInfo::get_king_shelter(const Position& pos, Color c, Square ksq)
   return (kingSquares[c] == ksq ? kingShelters[c] : updateShelter(pos, c, ksq));
 }
 
-inline void PawnInfo::clear() {
-
-  passedPawns = EmptyBoardBB;
-  mgValue = egValue = 0;
-  ksStormValue[WHITE] = ksStormValue[BLACK] = 0;
-  qsStormValue[WHITE] = qsStormValue[BLACK] = 0;
-  halfOpenFiles[WHITE] = halfOpenFiles[BLACK] = 0xFF;
-  kingSquares[WHITE] = kingSquares[BLACK] = SQ_NONE;
-}
-
-
 #endif // !defined(PAWNS_H_INCLUDED)