X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;ds=sidebyside;f=src%2Fposition.h;h=9976eacb21826dafd57eed8d372fa22436e079c3;hb=2170fa18bf59f977138f9de2389cbfdd85d84415;hp=d213238882f7113fc55a8f15041f0a62766487d9;hpb=9b1d5bd5343540db412c50ae2944246e3f25d18b;p=stockfish

diff --git a/src/position.h b/src/position.h
index d2132388..9976eacb 100644
--- a/src/position.h
+++ b/src/position.h
@@ -270,6 +270,8 @@ public:
   // Number of plies since the last non-reversible move
   int rule_50_counter() const;
 
+  int startpos_ply_counter() const;
+
   // Other properties of the position
   bool opposite_colored_bishops() const;
   bool has_pawn_on_7th(Color c) const;
@@ -280,6 +282,8 @@ public:
   // Reset the gamePly variable to 0
   void reset_game_ply();
 
+  void inc_startpos_ply_counter();
+
   // Position consistency check, for debugging
   bool is_ok(int* failedStep = NULL) const;
 
@@ -334,6 +338,7 @@ private:
   int castleRightsMask[64];
   StateInfo startState;
   File initialKFile, initialKRFile, initialQRFile;
+  int startPosPlyCounter;
   int threadID;
   StateInfo* st;
 
@@ -364,7 +369,7 @@ inline PieceType Position::type_of_piece_on(Square s) const {
 }
 
 inline bool Position::square_is_empty(Square s) const {
-  return piece_on(s) == EMPTY;
+  return piece_on(s) == NO_PIECE;
 }
 
 inline bool Position::square_is_occupied(Square s) const {
@@ -536,6 +541,11 @@ inline int Position::rule_50_counter() const {
   return st->rule50;
 }
 
+inline int Position::startpos_ply_counter() const {
+
+  return startPosPlyCounter;
+}
+
 inline bool Position::opposite_colored_bishops() const {
 
   return   piece_count(WHITE, BISHOP) == 1