/*
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) 2008-2015 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
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
-////
-//// Includes
-////
+#include "types.h"
+
+class Position;
+
+enum GenType {
+ CAPTURES,
+ QUIETS,
+ QUIET_CHECKS,
+ EVASIONS,
+ NON_EVASIONS,
+ LEGAL
+};
+
+struct ExtMove {
+ Move move;
+ Value value;
+};
-#include "position.h"
+inline bool operator<(const ExtMove& f, const ExtMove& s) {
+ return f.value < s.value;
+}
+template<GenType>
+ExtMove* generate(const Position& pos, ExtMove* moveList);
-////
-//// Prototypes
-////
+/// 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 {
-extern MoveStack* generate_captures(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_noncaptures(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_non_capture_checks(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_evasions(const Position& pos, MoveStack* mlist);
-extern MoveStack* generate_non_evasions(const Position& pos, MoveStack* 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);
+ explicit MoveList(const Position& pos) : cur(moveList), last(generate<T>(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:
+ ExtMove moveList[MAX_MOVES];
+ ExtMove *cur, *last;
+};
-#endif // !defined(MOVEGEN_H_INCLUDED)
+#endif // #ifndef MOVEGEN_H_INCLUDED