/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008-2010 Marco Costalba, Joona Kiiski, Tord Romstad
+ Copyright (C) 2008-2014 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#if !defined(MOVEGEN_H_INCLUDED)
+#ifndef MOVEGEN_H_INCLUDED
#define MOVEGEN_H_INCLUDED
-#include "move.h"
-#include "position.h"
-
-enum MoveType {
- MV_CAPTURE,
- MV_NON_CAPTURE,
- MV_CHECK,
- MV_NON_CAPTURE_CHECK,
- MV_EVASION,
- MV_NON_EVASION,
- MV_LEGAL
+#include "types.h"
+
+enum GenType {
+ CAPTURES,
+ QUIETS,
+ QUIET_CHECKS,
+ EVASIONS,
+ NON_EVASIONS,
+ LEGAL
};
-template<MoveType>
-MoveStack* generate(const Position& pos, MoveStack* mlist);
+class Position;
+
+template<GenType>
+ExtMove* generate(const Position& pos, ExtMove* mlist);
-template<MoveType T>
+/// 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<GenType T>
struct MoveList {
- explicit MoveList(const Position& pos) : cur(mlist), last(generate<T>(pos, mlist)) {}
- void operator++() { cur++; }
- bool end() const { return cur == last; }
- Move move() const { return cur->move; }
- int size() const { return last - mlist; }
+ 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:
- MoveStack mlist[MAX_MOVES];
- MoveStack *cur, *last;
+ ExtMove mlist[MAX_MOVES];
+ ExtMove *cur, *last;
};
-#endif // !defined(MOVEGEN_H_INCLUDED)
+#endif // #ifndef MOVEGEN_H_INCLUDED