X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fnnue%2Ffeatures%2Fhalf_kp.h;h=708fd7ea0badd445cb2f83af418cf44c79037058;hb=aa75388ec136a8cf83b09da2328c5fefd5a010bd;hp=99842eea7777cd67fb84c1ac0c9d9d4a77945a4c;hpb=84f3e867903f62480c33243dd0ecbffd342796fc;p=stockfish

diff --git a/src/nnue/features/half_kp.h b/src/nnue/features/half_kp.h
index 99842eea..708fd7ea 100644
--- a/src/nnue/features/half_kp.h
+++ b/src/nnue/features/half_kp.h
@@ -41,7 +41,7 @@ namespace Eval::NNUE::Features {
     static constexpr IndexType kDimensions =
         static_cast<IndexType>(SQUARE_NB) * static_cast<IndexType>(PS_END);
     // Maximum number of simultaneously active features
-    static constexpr IndexType kMaxActiveDimensions = PIECE_ID_KING;
+    static constexpr IndexType kMaxActiveDimensions = 30; // Kings don't count
     // Trigger for full calculation instead of difference calculation
     static constexpr TriggerEvent kRefreshTrigger = TriggerEvent::kFriendKingMoved;
 
@@ -50,16 +50,8 @@ namespace Eval::NNUE::Features {
                                     IndexList* active);
 
     // Get a list of indices for recently changed features
-    static void AppendChangedIndices(const Position& pos, Color perspective,
+    static void AppendChangedIndices(const Position& pos, const DirtyPiece& dp, Color perspective,
                                      IndexList* removed, IndexList* added);
-
-    // Index of a feature for a given king position and another piece on some square
-    static IndexType MakeIndex(Square sq_k, PieceSquare p);
-
-   private:
-    // Get pieces information
-    static void GetPieces(const Position& pos, Color perspective,
-                          PieceSquare** pieces, Square* sq_target_k);
   };
 
 }  // namespace Eval::NNUE::Features