X-Git-Url: https://git.sesse.net/?p=stockfish;a=blobdiff_plain;f=src%2Ftypes.h;fp=src%2Ftypes.h;h=3559d72b5ee93627019d2f25043ec61f8fe07004;hp=b0c333b8eb887ea120a496ec9babd828e4229ade;hb=3984b8f8f0e1f53c737020c936f2a8372029545d;hpb=a016626825972d546d2e4ef6abd2e55f7bf2f3dc

diff --git a/src/types.h b/src/types.h
index b0c333b8..3559d72b 100644
--- a/src/types.h
+++ b/src/types.h
@@ -131,19 +131,17 @@ enum Color {
   WHITE, BLACK, COLOR_NB = 2
 };
 
-enum CastlingSide {
-  KING_SIDE, QUEEN_SIDE, CASTLING_SIDE_NB = 2
-};
-
-enum CastlingRight {
+enum CastlingRights {
   NO_CASTLING,
   WHITE_OO,
   WHITE_OOO = WHITE_OO << 1,
   BLACK_OO  = WHITE_OO << 2,
   BLACK_OOO = WHITE_OO << 3,
 
-  WHITE_CASTLING = WHITE_OO | WHITE_OOO,
-  BLACK_CASTLING = BLACK_OO | BLACK_OOO,
+  KING_SIDE      = WHITE_OO  | BLACK_OO,
+  QUEEN_SIDE     = WHITE_OOO | BLACK_OOO,
+  WHITE_CASTLING = WHITE_OO  | WHITE_OOO,
+  BLACK_CASTLING = BLACK_OO  | BLACK_OOO,
   ANY_CASTLING   = WHITE_CASTLING | BLACK_CASTLING,
 
   CASTLING_RIGHT_NB = 16
@@ -363,8 +361,8 @@ constexpr Piece operator~(Piece pc) {
   return Piece(pc ^ 8); // Swap color of piece B_KNIGHT -> W_KNIGHT
 }
 
-constexpr CastlingRight operator|(Color c, CastlingSide s) {
-  return CastlingRight(WHITE_OO << ((s == QUEEN_SIDE) + 2 * c));
+constexpr CastlingRights operator&(Color c, CastlingRights cr) {
+  return CastlingRights((c == WHITE ? WHITE_CASTLING : BLACK_CASTLING) & cr);
 }
 
 constexpr Value mate_in(int ply) {