Add precompute callback to objects.

1 files changed, 2 insertions, 0 deletions

diff --git a/libdimension/dimension/object.h b/libdimension/dimension/object.h
index ce57807..3b8768f 100644
--- a/libdimension/dimension/object.h
+++ b/libdimension/dimension/object.h
@@ -48,6 +48,7 @@ typedef struct dmnsn_object dmnsn_object;
 
 /* Object callback types */
 
+typedef void dmnsn_object_precompute_fn(dmnsn_object *object);
 typedef bool dmnsn_object_intersection_fn(const dmnsn_object *object,
                                           dmnsn_line line,
                                           dmnsn_intersection *intersection);
@@ -69,6 +70,7 @@ struct dmnsn_object {
   dmnsn_bounding_box bounding_box;
 
   /* Callback functions */
+  dmnsn_object_precompute_fn   *precompute_fn;
   dmnsn_object_intersection_fn *intersection_fn;
   dmnsn_object_inside_fn       *inside_fn;
   dmnsn_free_fn                *free_fn;