X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fpawns.h;h=bd6b54abb3ddfc75f3d2e87c2247aeb9648d74c3;hp=95575184c9554279c72793b9787e698244e289dd;hb=72c7595f8ac72c7831ee319b8b0bc46404c5fc27;hpb=d3600c39a745179ed6b094b305d0645e83a1ee86 diff --git a/src/pawns.h b/src/pawns.h index 95575184..bd6b54ab 100644 --- a/src/pawns.h +++ b/src/pawns.h @@ -7,12 +7,12 @@ it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - + Stockfish is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program. If not, see . */ @@ -25,19 +25,20 @@ //// Includes //// -#include "position.h" - +#include "bitboard.h" +#include "value.h" //// //// Types //// -/// PawnInfo is a class which contains various information about a pawn +/// PawnInfo is a class which contains various information about a pawn /// structure. Currently, it only includes a middle game and an end game /// pawn structure evaluation, and a bitboard of passed pawns. We may want /// to add further information in the future. A lookup to the pawn hash table /// (performed by calling the get_pawn_info method in a PawnInfoTable object) /// returns a pointer to a PawnInfo object. +class Position; class PawnInfo { @@ -49,9 +50,9 @@ public: Value kingside_storm_value(Color c) const; Value queenside_storm_value(Color c) const; Bitboard passed_pawns() const; - bool file_is_half_open(Color c, File f) const; - bool has_open_file_to_left(Color c, File f) const; - bool has_open_file_to_right(Color c, File f) const; + int file_is_half_open(Color c, File f) const; + int has_open_file_to_left(Color c, File f) const; + int has_open_file_to_right(Color c, File f) const; private: void clear(); @@ -59,7 +60,7 @@ private: Key key; Bitboard passedPawns; int16_t mgValue, egValue; - int8_t ksStormValue[2], qsStormValue[2]; + int16_t ksStormValue[2], qsStormValue[2]; uint8_t halfOpenFiles[2]; }; @@ -75,11 +76,11 @@ public: PawnInfoTable(unsigned numOfEntries); ~PawnInfoTable(); void clear(); - PawnInfo *get_pawn_info(const Position &pos); + PawnInfo* get_pawn_info(const Position& pos); private: unsigned size; - PawnInfo *entries; + PawnInfo* entries; }; @@ -107,21 +108,22 @@ inline Value PawnInfo::queenside_storm_value(Color c) const { return Value(qsStormValue[c]); } -inline bool PawnInfo::file_is_half_open(Color c, File f) const { +inline int PawnInfo::file_is_half_open(Color c, File f) const { return (halfOpenFiles[c] & (1 << int(f))); } -inline bool PawnInfo::has_open_file_to_left(Color c, File f) const { +inline int PawnInfo::has_open_file_to_left(Color c, File f) const { return halfOpenFiles[c] & ((1 << int(f)) - 1); } -inline bool PawnInfo::has_open_file_to_right(Color c, File f) const { +inline int PawnInfo::has_open_file_to_right(Color c, File f) const { return halfOpenFiles[c] & ~((1 << int(f+1)) - 1); } inline void PawnInfo::clear() { - mgValue = egValue = 0; + passedPawns = EmptyBoardBB; + mgValue = egValue = 0; ksStormValue[WHITE] = ksStormValue[BLACK] = 0; qsStormValue[WHITE] = qsStormValue[BLACK] = 0; halfOpenFiles[WHITE] = halfOpenFiles[BLACK] = 0xFF;