X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=2721f152419b6d765b621551dba308e69b3a326a;hp=93c1c4ab1977cb28cf4d2128dffb9ec464ed20fa;hb=8765f9ce168b129b3283fc1e458eae2f8871b1d4;hpb=bb751d6c890f5c50c642366d601740366cfae8d0 diff --git a/src/movegen.h b/src/movegen.h index 93c1c4ab..2721f152 100644 --- a/src/movegen.h +++ b/src/movegen.h @@ -1,42 +1,70 @@ /* - Glaurung, a UCI chess playing engine. - Copyright (C) 2004-2008 Tord Romstad + 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) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, Tord Romstad - Glaurung is free software: you can redistribute it and/or modify + Stockfish is free software: you can redistribute it and/or modify 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. - - Glaurung is distributed in the hope that it will be useful, + + 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 . */ - -#if !defined(MOVEGEN_H_INCLUDED) +#ifndef MOVEGEN_H_INCLUDED #define MOVEGEN_H_INCLUDED -//// -//// Includes -//// +#include "types.h" + +class Position; + +enum GenType { + CAPTURES, + QUIETS, + QUIET_CHECKS, + EVASIONS, + NON_EVASIONS, + LEGAL +}; + +struct ExtMove { + Move move; + Value value; + + operator Move() const { return move; } + void operator=(Move m) { move = m; } +}; + +inline bool operator<(const ExtMove& f, const ExtMove& s) { + return f.value < s.value; +} -#include "position.h" +template +ExtMove* generate(const Position& pos, ExtMove* moveList); +/// The MoveList struct is a simple wrapper around generate(). It sometimes comes +/// in handy to use this class instead of the low level generate() function. +template +struct MoveList { -//// -//// Prototypes -//// + explicit MoveList(const Position& pos) : last(generate(pos, moveList)) {} + const ExtMove* begin() const { return moveList; } + const ExtMove* end() const { return last; } + size_t size() const { return last - moveList; } + bool contains(Move move) const { + for (const auto& m : *this) if (m == move) return true; + return false; + } -extern int generate_captures(const Position &pos, MoveStack *mlist); -extern int generate_noncaptures(const Position &pos, MoveStack *mlist); -extern int generate_checks(const Position &pos, MoveStack *mlist, Bitboard dc); -extern int generate_evasions(const Position &pos, MoveStack *mlist); -extern int generate_legal_moves(const Position &pos, MoveStack *mlist); -extern Move generate_move_if_legal(const Position &pos, Move m, - Bitboard pinned); +private: + ExtMove moveList[MAX_MOVES], *last; +}; -#endif // !defined(MOVEGEN_H_INCLUDED) +#endif // #ifndef MOVEGEN_H_INCLUDED