/*
Stockfish, a UCI chess playing engine derived from Glaurung 2.1
Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
- Copyright (C) 2008 Marco Costalba
+ Copyright (C) 2008-2012 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
-////
-//// Includes
-////
-
-#include "position.h"
-
-
-////
-//// Prototypes
-////
-
-extern int generate_captures(const Position &pos, MoveStack *mlist);
-extern int generate_noncaptures(const Position &pos, MoveStack *mlist);
-extern int generate_checks(const Position &pos, MoveStack *mlist, Bitboard dc);
-extern int generate_evasions(const Position &pos, MoveStack *mlist, Bitboard pinned);
-extern int generate_legal_moves(const Position &pos, MoveStack *mlist);
-extern bool move_is_legal(const Position &pos, const Move m, Bitboard pinned);
-
+#include "types.h"
+
+enum GenType {
+ CAPTURES,
+ QUIETS,
+ QUIET_CHECKS,
+ EVASIONS,
+ NON_EVASIONS,
+ LEGAL
+};
+
+class Position;
+
+template<GenType>
+MoveStack* generate(const Position& pos, MoveStack* 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)) {}
+ void operator++() { cur++; }
+ bool end() const { return cur == last; }
+ Move move() const { return cur->move; }
+ int size() const { return int(last - mlist); }
+
+private:
+ MoveStack mlist[MAX_MOVES];
+ MoveStack *cur, *last;
+};
#endif // !defined(MOVEGEN_H_INCLUDED)