X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fmovegen.h;h=aeba93add028dae1dfc4cf5d54566a50d11f3309;hp=e16a8ab5a80cfad0a665bb9a21694194471dcc75;hb=7756344d5d2b93970e7cd423f8cbf6fb1da11b74;hpb=5c81602d14539f8259a715477315e28b5de7cb54

diff --git a/src/movegen.h b/src/movegen.h
index e16a8ab5..aeba93ad 100644
--- a/src/movegen.h
+++ b/src/movegen.h
@@ -1,7 +1,8 @@
 /*
   Stockfish, a UCI chess playing engine derived from Glaurung 2.1
   Copyright (C) 2004-2008 Tord Romstad (Glaurung author)
-  Copyright (C) 2008-2009 Marco Costalba
+  Copyright (C) 2008-2015 Marco Costalba, Joona Kiiski, Tord Romstad
+  Copyright (C) 2015-2019 Marco Costalba, Joona Kiiski, Gary Linscott, 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
@@ -17,27 +18,58 @@
   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 <algorithm>
+
+#include "types.h"
+
+class Position;
+
+enum GenType {
+  CAPTURES,
+  QUIETS,
+  QUIET_CHECKS,
+  EVASIONS,
+  NON_EVASIONS,
+  LEGAL
+};
+
+struct ExtMove {
+  Move move;
+  int value;
+
+  operator Move() const { return move; }
+  void operator=(Move m) { move = m; }
+
+  // Inhibit unwanted implicit conversions to Move
+  // with an ambiguity that yields to a compile error.
+  operator float() const = delete;
+};
 
-#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 int generate_captures(const Position& pos, MoveStack* mlist);
-extern int generate_noncaptures(const Position& pos, MoveStack* mlist);
-extern int generate_non_capture_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);
+  explicit MoveList(const Position& pos) : last(generate<T>(pos, moveList)) {}
+  const ExtMove* begin() const { return moveList; }
+  const ExtMove* end() const { return last; }
+  size_t size() const { return last - moveList; }
+  bool contains(Move move) const {
+    return std::find(begin(), end(), move) != end();
+  }
 
+private:
+  ExtMove moveList[MAX_MOVES], *last;
+};
 
-#endif // !defined(MOVEGEN_H_INCLUDED)
+#endif // #ifndef MOVEGEN_H_INCLUDED