X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=62a121d7d291629e37aeebe32afe32fbc29776c6;hp=f0feab1b78a72b87e136a1e0a3a971e91140dac8;hb=950c8436edc50857b83eb3e0cbaca06407764655;hpb=8307da0de77c9c7bbf7c56a7d9c8a688ff4dfb4e diff --git a/src/movegen.h b/src/movegen.h index f0feab1b..62a121d7 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) 2008-2012 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 @@ -17,40 +17,51 @@ along with this program. If not, see . */ -#if !defined(MOVEGEN_H_INCLUDED) +#ifndef MOVEGEN_H_INCLUDED #define MOVEGEN_H_INCLUDED #include "types.h" -enum MoveType { - MV_CAPTURE, - MV_NON_CAPTURE, - MV_CHECK, - MV_NON_CAPTURE_CHECK, - MV_EVASION, - MV_NON_EVASION, - MV_LEGAL +class Position; + +enum GenType { + CAPTURES, + QUIETS, + QUIET_CHECKS, + EVASIONS, + NON_EVASIONS, + LEGAL }; -class Position; +struct ExtMove { + Move move; + Value value; +}; + +inline bool operator<(const ExtMove& f, const ExtMove& s) { + return f.value < s.value; +} -template -MoveStack* generate(const Position& pos, MoveStack* mlist); +template +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. -template +/// 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; } - int size() const { return int(last - mlist); } + explicit MoveList(const Position& pos) : cur(moveList), last(generate(pos, moveList)) { last->move = MOVE_NONE; } + void operator++() { ++cur; } + Move operator*() const { return cur->move; } + size_t size() const { return last - moveList; } + bool contains(Move m) const { + for (const ExtMove* it(moveList); it != last; ++it) if (it->move == m) return true; + return false; + } private: - MoveStack mlist[MAX_MOVES]; - MoveStack *cur, *last; + ExtMove moveList[MAX_MOVES]; + ExtMove *cur, *last; }; -#endif // !defined(MOVEGEN_H_INCLUDED) +#endif // #ifndef MOVEGEN_H_INCLUDED