1 files changed, 20 insertions, 0 deletions
diff --git a/source/blender/nodes/geometry/node_geometry_util.hh b/source/blender/nodes/geometry/node_geometry_util.hh
index 5aeb68b3fdc..adcf47f57fe 100644
--- a/source/blender/nodes/geometry/node_geometry_util.hh
+++ b/source/blender/nodes/geometry/node_geometry_util.hh
@@ -87,7 +87,27 @@ void get_closest_in_bvhtree(BVHTreeFromMesh &tree_data,
                             const MutableSpan<float> r_distances_sq,
                             const MutableSpan<float3> r_positions);
 
+int apply_offset_in_cyclic_range(IndexRange range, int start_index, int offset);
+
 std::optional<eCustomDataType> node_data_type_to_custom_data_type(eNodeSocketDatatype type);
 std::optional<eCustomDataType> node_socket_to_custom_data_type(const bNodeSocket &socket);
 
+class FieldAtIndexInput final : public bke::GeometryFieldInput {
+ private:
+  Field<int> index_field_;
+  GField value_field_;
+  eAttrDomain value_field_domain_;
+
+ public:
+  FieldAtIndexInput(Field<int> index_field, GField value_field, eAttrDomain value_field_domain);
+
+  GVArray get_varray_for_context(const bke::GeometryFieldContext &context,
+                                 const IndexMask mask) const final;
+
+  std::optional<eAttrDomain> preferred_domain(const GeometryComponent & /*component*/) const final
+  {
+    return value_field_domain_;
+  }
+};
+
 }  // namespace blender::nodes