X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=2721f152419b6d765b621551dba308e69b3a326a;hp=c93252a731859edc9a2421ee303cfe722e4baf3e;hb=8fb45caadef67fb2ccc27857c15ade987d9f5e2f;hpb=7f142d68179919a507204e7980fff4f79648dbbc diff --git a/src/movegen.h b/src/movegen.h index c93252a7..2721f152 100644 --- a/src/movegen.h +++ b/src/movegen.h @@ -1,7 +1,8 @@ /* 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 + Copyright (C) 2015-2016 Marco Costalba, Joona Kiiski, Gary Linscott, 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 @@ -22,6 +23,8 @@ #include "types.h" +class Position; + enum GenType { CAPTURES, QUIETS, @@ -31,28 +34,37 @@ 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 -ExtMove* generate(const Position& pos, ExtMove* 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)) { last->move = MOVE_NONE; } - void operator++() { ++cur; } - Move operator*() const { return cur->move; } - size_t size() const { return last - mlist; } - bool contains(Move m) const { - for (const ExtMove* 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: - ExtMove mlist[MAX_MOVES]; - ExtMove *cur, *last; + ExtMove moveList[MAX_MOVES], *last; }; #endif // #ifndef MOVEGEN_H_INCLUDED