/*
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) 2008-2013 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
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-
#if !defined(MOVEGEN_H_INCLUDED)
#define MOVEGEN_H_INCLUDED
-#include "position.h"
+#include "types.h"
-enum MoveGeneration {
+enum GenType {
CAPTURES,
- NON_CAPTURES,
- NON_CAPTURE_CHECKS,
+ QUIETS,
+ QUIET_CHECKS,
EVASIONS,
NON_EVASIONS,
- ALL_MOVES
+ LEGAL
};
-template<MoveGeneration T>
-MoveStack* generate(const Position& pos, MoveStack* mlist);
+class Position;
+
+template<GenType>
+ExtMove* generate(const Position& pos, ExtMove* mlist);
-extern MoveStack* generate_moves(const Position& pos, MoveStack* mlist, bool pseudoLegal = false);
-extern bool move_is_legal(const Position& pos, const Move m, Bitboard pinned);
-extern bool move_is_legal(const Position& pos, const Move m);
+/// 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 // !defined(MOVEGEN_H_INCLUDED)