droidfish/DroidFish/jni/stockfish/movegen.h
2013-11-30 19:12:34 +00:00

59 lines
1.7 KiB
C++

/*
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
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.
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 <http://www.gnu.org/licenses/>.
*/
#ifndef MOVEGEN_H_INCLUDED
#define MOVEGEN_H_INCLUDED
#include "types.h"
enum GenType {
CAPTURES,
QUIETS,
QUIET_CHECKS,
EVASIONS,
NON_EVASIONS,
LEGAL
};
class Position;
template<GenType>
ExtMove* generate(const Position& pos, ExtMove* mlist);
/// The MoveList struct is a simple wrapper around generate(), sometimes comes
/// handy to use this class instead of the low level generate() function.
template<GenType T>
struct MoveList {
explicit MoveList(const Position& pos) : cur(mlist), last(generate<T>(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;
return false;
}
private:
ExtMove mlist[MAX_MOVES];
ExtMove *cur, *last;
};
#endif // #ifndef MOVEGEN_H_INCLUDED