X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fposition.h;h=f2f517e219445a601f4d90690572cb1a40e1b288;hb=b50921fd5c3e1753adecfea77557ad1afece7641;hp=a051ec382f49fe15a0d3ee55238e97a48c1158ac;hpb=e4277c06bfb783b5ec78001eeef06fa9feae033f;p=stockfish

diff --git a/src/position.h b/src/position.h
index a051ec38..f2f517e2 100644
--- a/src/position.h
+++ b/src/position.h
@@ -88,8 +88,8 @@ enum Phase {
 
 struct StateInfo {
   Key key, pawnKey, materialKey;
-  int castleRights, rule50;
-  Square kingSquare[2], epSquare;
+  int castleRights, rule50, pliesFromNull;
+  Square epSquare;
   Value mgValue, egValue;
   Value npMaterial[2];
 
@@ -193,6 +193,7 @@ public:
 
   // Piece lists
   Square piece_list(Color c, PieceType pt, int index) const;
+  const Square* piece_list_begin(Color c, PieceType pt) const;
 
   // Information about attacks to or from a given square
   Bitboard attackers_to(Square s) const;
@@ -206,6 +207,7 @@ public:
   bool move_is_check(Move m) const;
   bool move_is_check(Move m, Bitboard dcCandidates) const;
   bool move_is_capture(Move m) const;
+  bool move_is_capture_or_promotion(Move m) const;
   bool move_is_passed_pawn_push(Move m) const;
   bool move_attacks_square(Move m, Square s) const;
 
@@ -298,12 +300,12 @@ private:
   template<GamePhase> Value compute_value() const;
   Value compute_non_pawn_material(Color c) const;
 
-  // Bitboards
-  Bitboard byColorBB[2], byTypeBB[8];
-
   // Board
   Piece board[64];
 
+  // Bitboards
+  Bitboard byTypeBB[8], byColorBB[2];
+
   // Piece counts
   int pieceCount[2][8]; // [color][pieceType]
 
@@ -403,12 +405,16 @@ inline Square Position::piece_list(Color c, PieceType pt, int index) const {
   return pieceList[c][pt][index];
 }
 
+inline const Square* Position::piece_list_begin(Color c, PieceType pt) const {
+  return pieceList[c][pt];
+}
+
 inline Square Position::ep_square() const {
   return st->epSquare;
 }
 
 inline Square Position::king_square(Color c) const {
-  return st->kingSquare[c];
+  return pieceList[c][KING][0];
 }
 
 inline bool Position::can_castle_kingside(Color side) const {
@@ -563,8 +569,13 @@ inline bool Position::has_pawn_on_7th(Color c) const {
 inline bool Position::move_is_capture(Move m) const {
 
   // Move must not be MOVE_NONE !
+  return (m & (3 << 15)) ? !move_is_castle(m) : !square_is_empty(move_to(m));
+}
 
-  return (!square_is_empty(move_to(m)) && !move_is_castle(m)) || move_is_ep(m);
+inline bool Position::move_is_capture_or_promotion(Move m) const {
+
+  // Move must not be MOVE_NONE !
+  return (m & (0x1F << 12)) ? !move_is_castle(m) : !square_is_empty(move_to(m));
 }
 
 #endif // !defined(POSITION_H_INCLUDED)