Rewrite some bitboard init code

[stockfish] / src / position.h

diff --git a/src/position.h b/src/position.h
index e73c8ff5d9d3c78406f346f5b7582aef2e4c7f0a..cd297df737839e15967b37a280f7cc054c8a70c0 100644 (file)
--- a/src/position.h
+++ b/src/position.h
@@ -108,13 +108,12 @@ public:
   // Checking
   Bitboard checkers() const;
   Bitboard discovered_check_candidates() const;
-  Bitboard pinned_pieces() const;
+  Bitboard pinned_pieces(Color toMove) const;
 
   // Attacks to/from a given square
   Bitboard attackers_to(Square s) const;
   Bitboard attackers_to(Square s, Bitboard occ) const;
   Bitboard attacks_from(Piece p, Square s) const;
-  static Bitboard attacks_from(Piece p, Square s, Bitboard occ);
   template<PieceType> Bitboard attacks_from(Square s) const;
   template<PieceType> Bitboard attacks_from(Square s, Color c) const;
 
@@ -175,7 +174,7 @@ private:
 
   // Helper functions
   void do_castle(Square kfrom, Square kto, Square rfrom, Square rto);
-  Bitboard hidden_checkers(Square ksq, Color c) const;
+  Bitboard hidden_checkers(Square ksq, Color c, Color toMove) const;
   void put_piece(Square s, Color c, PieceType pt);
   void remove_piece(Square s, Color c, PieceType pt);
   void move_piece(Square from, Square to, Color c, PieceType pt);
@@ -304,7 +303,7 @@ inline Bitboard Position::attacks_from<PAWN>(Square s, Color c) const {
 }
 
 inline Bitboard Position::attacks_from(Piece p, Square s) const {
-  return attacks_from(p, s, byTypeBB[ALL_PIECES]);
+  return attacks_bb(p, s, byTypeBB[ALL_PIECES]);
 }
 
 inline Bitboard Position::attackers_to(Square s) const {
@@ -316,11 +315,11 @@ inline Bitboard Position::checkers() const {
 }
 
 inline Bitboard Position::discovered_check_candidates() const {
-  return hidden_checkers(king_square(~sideToMove), sideToMove);
+  return hidden_checkers(king_square(~sideToMove), sideToMove, sideToMove);
 }
 
-inline Bitboard Position::pinned_pieces() const {
-  return hidden_checkers(king_square(sideToMove), ~sideToMove);
+inline Bitboard Position::pinned_pieces(Color toMove) const {
+  return hidden_checkers(king_square(toMove), ~toMove, toMove);
 }
 
 inline bool Position::pawn_passed(Color c, Square s) const {