X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fposition.h;h=e7dc3a802fca35ae821517815650dfb692db7eef;hb=c2df60048e8fbbca5dff66b98e4e0f4bf1413821;hp=1d6a99bab0f9bfa13314c7a77c7ca6bae4192144;hpb=77eec9f9cb50e742151273da6e4cd2847fe9ec1f;p=stockfish

diff --git a/src/position.h b/src/position.h
index 1d6a99ba..e7dc3a80 100644
--- a/src/position.h
+++ b/src/position.h
@@ -146,7 +146,7 @@ public:
   };
 
   // Constructors
-  Position() {}
+  Position();
   Position(const Position& pos);
   Position(const std::string& fen);
 
@@ -156,7 +156,7 @@ public:
   void print(Move m = MOVE_NONE) const;
 
   // Copying
-  void copy(const Position& pos);
+  void fast_copy(const Position& pos);
   void flipped_copy(const Position& pos);
 
   // The piece on a given square
@@ -234,7 +234,7 @@ public:
   bool square_is_weak(Square s, Color c) const;
 
   // Doing and undoing moves
-  void saveState();
+  void detach();
   void do_move(Move m, StateInfo& st);
   void do_move(Move m, StateInfo& st, const CheckInfo& ci, bool moveIsCheck);
   void undo_move(Move m);
@@ -249,6 +249,7 @@ public:
 
   // Accessing hash keys
   Key get_key() const;
+  Key get_exclusion_key() const;
   Key get_pawn_key() const;
   Key get_material_key() const;
 
@@ -281,9 +282,6 @@ public:
   static void init_zobrist();
   static void init_piece_square_tables();
 
-  // Public zobs
-  static Key zobExclusion;
-
 private:
 
   // Initialization helper functions (used while setting up a position)
@@ -340,6 +338,7 @@ private:
   static Key zobMaterial[2][8][16];
   static Key zobSideToMove;
   static Score PieceSquareTable[16][64];
+  static Key zobExclusion;
 };
 
 
@@ -504,6 +503,10 @@ inline Key Position::get_key() const {
   return st->key;
 }
 
+inline Key Position::get_exclusion_key() const {
+  return st->key ^ zobExclusion;
+}
+
 inline Key Position::get_pawn_key() const {
   return st->pawnKey;
 }