X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Fposition.h;h=af1ba775de815fc418e70eb2a848d2f300a58901;hp=91e0a5b69767ee247a3aa330e290708334ee06ea;hb=d0e51bc0f0c77f93323aaa86c9c2485c41d38271;hpb=2bea93975e84f6b8e4d5675c86bbb3f32b17efc4

diff --git a/src/position.h b/src/position.h
index 91e0a5b6..af1ba775 100644
--- a/src/position.h
+++ b/src/position.h
@@ -171,11 +171,6 @@ public:
 
   // Number of pieces of each color and type
   int piece_count(Color c, PieceType pt) const;
-  int pawn_count(Color c) const;
-  int knight_count(Color c) const;
-  int bishop_count(Color c) const;
-  int rook_count(Color c) const;
-  int queen_count(Color c) const;
 
   // The en passant square:
   Square ep_square() const;
@@ -205,27 +200,20 @@ public:
   // Checking pieces
   Bitboard checkers() const;
 
-  // Piece lists:
+  // Piece lists
   Square piece_list(Color c, PieceType pt, int index) const;
-  Square pawn_list(Color c, int index) const;
-  Square knight_list(Color c, int index) const;
-  Square bishop_list(Color c, int index) const;
-  Square rook_list(Color c, int index) const;
-  Square queen_list(Color c, int index) const;
 
   // Attack information for a given square
   bool square_is_attacked(Square s, Color c) const;
   Bitboard attacks_to(Square s) const;
   Bitboard attacks_to(Square s, Color c) const;
   bool is_check() const;
-  bool piece_attacks_square(Square f, Square t) const;
-  bool white_pawn_attacks_square(Square f, Square t) const;
-  bool black_pawn_attacks_square(Square f, Square t) const;
-  bool knight_attacks_square(Square f, Square t) const;
-  bool bishop_attacks_square(Square f, Square t) const;
-  bool rook_attacks_square(Square f, Square t) const;
-  bool queen_attacks_square(Square f, Square t) const;
-  bool king_attacks_square(Square f, Square t) const;
+  bool pawn_attacks_square(Color c, Square f, Square t) const;
+
+  template<PieceType>
+  Bitboard piece_attacks_square(Square f, Square t) const; // Dispatch at compile-time
+
+  bool piece_attacks_square(Square f, Square t) const; // Dispatch at run-time
 
   // Properties of moves
   bool move_is_legal(Move m) const;
@@ -498,50 +486,10 @@ inline int Position::piece_count(Color c, PieceType pt) const {
   return pieceCount[c][pt];
 }
 
-inline int Position::pawn_count(Color c) const {
-  return piece_count(c, PAWN);
-}
-
-inline int Position::knight_count(Color c) const {
-  return piece_count(c, KNIGHT);
-}
-
-inline int Position::bishop_count(Color c) const {
-  return piece_count(c, BISHOP);
-}
-
-inline int Position::rook_count(Color c) const {
-  return piece_count(c, ROOK);
-}
-
-inline int Position::queen_count(Color c) const {
-  return piece_count(c, QUEEN);
-}
-
 inline Square Position::piece_list(Color c, PieceType pt, int index) const {
   return pieceList[c][pt][index];
 }
 
-inline Square Position::pawn_list(Color c, int index) const {
-  return piece_list(c, PAWN, index);
-}
-
-inline Square Position::knight_list(Color c, int index) const {
-  return piece_list(c, KNIGHT, index);
-}
-
-inline Square Position::bishop_list(Color c, int index) const {
-  return piece_list(c, BISHOP, index);
-}
-
-inline Square Position::rook_list(Color c, int index) const {
-  return piece_list(c, ROOK, index);
-}
-
-inline Square Position::queen_list(Color c, int index) const {
-  return piece_list(c, QUEEN, index);
-}
-
 inline Square Position::ep_square() const {
   return epSquare;
 }
@@ -607,32 +555,13 @@ inline bool Position::is_check() const {
   return checkers() != EmptyBoardBB;
 }
 
-inline bool Position::white_pawn_attacks_square(Square f, Square t) const {
-  return bit_is_set(pawn_attacks(WHITE, f), t);
-}
-
-inline bool Position::black_pawn_attacks_square(Square f, Square t) const {
-  return bit_is_set(pawn_attacks(BLACK, f), t);
-}
-
-inline bool Position::knight_attacks_square(Square f, Square t) const {
-  return bit_is_set(piece_attacks<KNIGHT>(f), t);
-}
-
-inline bool Position::bishop_attacks_square(Square f, Square t) const {
-  return bit_is_set(piece_attacks<BISHOP>(f), t);
-}
-
-inline bool Position::rook_attacks_square(Square f, Square t) const {
-  return bit_is_set(piece_attacks<ROOK>(f), t);
-}
-
-inline bool Position::queen_attacks_square(Square f, Square t) const {
-  return bit_is_set(piece_attacks<QUEEN>(f), t);
+inline bool Position::pawn_attacks_square(Color c, Square f, Square t) const {
+  return bit_is_set(pawn_attacks(c, f), t);
 }
 
-inline bool Position::king_attacks_square(Square f, Square t) const {
-  return bit_is_set(piece_attacks<KING>(f), t);
+template<PieceType Piece>
+Bitboard Position::piece_attacks_square(Square f, Square t) const {
+  return bit_is_set(piece_attacks<Piece>(f), t);
 }
 
 inline bool Position::pawn_is_passed(Color c, Square s) const {
@@ -753,9 +682,9 @@ inline int Position::rule_50_counter() const {
 
 inline bool Position::opposite_colored_bishops() const {
 
-  return   bishop_count(WHITE) == 1
-        && bishop_count(BLACK) == 1
-        && square_color(bishop_list(WHITE, 0)) != square_color(bishop_list(BLACK, 0));
+  return   piece_count(WHITE, BISHOP) == 1
+        && piece_count(BLACK, BISHOP) == 1        
+        && square_color(piece_list(WHITE, BISHOP, 0)) != square_color(piece_list(BLACK, BISHOP, 0));
 }
 
 inline bool Position::has_pawn_on_7th(Color c) const {