X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=6a7f7e3ac51b4115f99e7bcef8a3296a7f69c39c;hp=c96e73cfd07d2d53d9c70a1d4658490ed708b7fa;hb=cb2111f0b62afec5fd977e1dd4ca5843bd006956;hpb=9a1d5f0f1d8a12a85b198688d4f1d636a146eb7a diff --git a/src/movegen.h b/src/movegen.h index c96e73cf..6a7f7e3a 100644 --- a/src/movegen.h +++ b/src/movegen.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) 2008-2013 Marco Costalba, Joona Kiiski, Tord Romstad + Copyright (C) 2008-2015 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 @@ -17,11 +17,13 @@ along with this program. If not, see . */ -#if !defined(MOVEGEN_H_INCLUDED) +#ifndef MOVEGEN_H_INCLUDED #define MOVEGEN_H_INCLUDED #include "types.h" +class Position; + enum GenType { CAPTURES, QUIETS, @@ -31,29 +33,37 @@ enum GenType { LEGAL }; -class Position; +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; +} template -MoveStack* generate(const Position& pos, MoveStack* mlist); +ExtMove* generate(const Position& pos, ExtMove* moveList); -/// The MoveList struct is a simple wrapper around generate(), sometimes comes -/// handy to use this class instead of the low level generate() function. +/// 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 { - explicit MoveList(const Position& pos) : cur(mlist), last(generate(pos, mlist)) {} - void operator++() { cur++; } - bool end() const { return cur == last; } - Move move() const { return cur->move; } - size_t size() const { return last - mlist; } - bool contains(Move m) const { - for (const MoveStack* it(mlist); it != last; ++it) if (it->move == m) return true; + 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; } private: - MoveStack mlist[MAX_MOVES]; - MoveStack *cur, *last; + ExtMove moveList[MAX_MOVES], *last; }; -#endif // !defined(MOVEGEN_H_INCLUDED) +#endif // #ifndef MOVEGEN_H_INCLUDED