X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fposition.h;h=2e6014dbe6ebb3170d8275c6da11083d4086c0db;hb=e1dd005583bd6c2aaf58468efc5de86a3936380a;hp=1fc6b3b89c4ab2726b9605d5afc50a326e969bfc;hpb=6ce225bb4c31298b131714eff67b56de3b8ee78d;p=stockfish

diff --git a/src/position.h b/src/position.h
index 1fc6b3b8..2e6014db 100644
--- a/src/position.h
+++ b/src/position.h
@@ -92,10 +92,9 @@ public:
 
   // Position representation
   Bitboard pieces(PieceType pt) const;
-  Bitboard pieces(PieceType pt1, PieceType pt2) const;
+  template<typename ...PieceTypes> Bitboard pieces(PieceType pt, PieceTypes... pts) const;
   Bitboard pieces(Color c) const;
-  Bitboard pieces(Color c, PieceType pt) const;
-  Bitboard pieces(Color c, PieceType pt1, PieceType pt2) const;
+  template<typename ...PieceTypes> Bitboard pieces(Color c, PieceTypes... pts) const;
   Piece piece_on(Square s) const;
   Square ep_square() const;
   bool empty(Square s) const;
@@ -145,6 +144,7 @@ public:
 
   // Static Exchange Evaluation
   bool see_ge(Move m, Value threshold = VALUE_ZERO) const;
+  bool see_ge(Move m, Bitboard& occupied, Value threshold = VALUE_ZERO) const;
 
   // Accessing hash keys
   Key key() const;
@@ -179,8 +179,8 @@ public:
 private:
   // Initialization helpers (used while setting up a position)
   void set_castling_right(Color c, Square rfrom);
-  void set_state(StateInfo* si) const;
-  void set_check_info(StateInfo* si) const;
+  void set_state() const;
+  void set_check_info() const;
 
   // Other helpers
   void move_piece(Square from, Square to);
@@ -228,20 +228,18 @@ inline Bitboard Position::pieces(PieceType pt = ALL_PIECES) const {
   return byTypeBB[pt];
 }
 
-inline Bitboard Position::pieces(PieceType pt1, PieceType pt2) const {
-  return pieces(pt1) | pieces(pt2);
+template<typename ...PieceTypes>
+inline Bitboard Position::pieces(PieceType pt, PieceTypes... pts) const {
+  return pieces(pt) | pieces(pts...);
 }
 
 inline Bitboard Position::pieces(Color c) const {
   return byColorBB[c];
 }
 
-inline Bitboard Position::pieces(Color c, PieceType pt) const {
-  return pieces(c) & pieces(pt);
-}
-
-inline Bitboard Position::pieces(Color c, PieceType pt1, PieceType pt2) const {
-  return pieces(c) & (pieces(pt1) | pieces(pt2));
+template<typename ...PieceTypes>
+inline Bitboard Position::pieces(Color c, PieceTypes... pts) const {
+  return pieces(c) & pieces(pts...);
 }
 
 template<PieceType Pt> inline int Position::count(Color c) const {
@@ -393,7 +391,7 @@ inline bool Position::capture(Move m) const {
 // is needed to avoid the generation of duplicate moves.
 inline bool Position::capture_stage(Move m) const {
   assert(is_ok(m));
-  return  capture(m) || (type_of(m) == PROMOTION && promotion_type(m) == QUEEN);
+  return  capture(m) || promotion_type(m) == QUEEN;
 }
 
 inline Piece Position::captured_piece() const {