Fix T66105: Changing force field does not update simulation

1 files changed, 7 insertions, 0 deletions

diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
index 60233ecd304..c7f6116e81d 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
@@ -898,6 +898,13 @@ void DepsgraphRelationBuilder::build_object_pointcache(Object *object)
       OperationKey transform_key(
           &object->id, NodeType::TRANSFORM, OperationCode::TRANSFORM_SIMULATION_INIT);
       add_relation(point_cache_key, transform_key, "Point Cache -> Rigid Body");
+      /* Manual changes to effectors need to invalidate simulation. */
+      OperationKey rigidbody_rebuild_key(
+          &scene_->id, NodeType::TRANSFORM, OperationCode::RIGIDBODY_REBUILD);
+      add_relation(rigidbody_rebuild_key,
+                   point_cache_key,
+                   "Rigid Body Rebuild -> Point Cache Reset",
+                   RELATION_FLAG_FLUSH_USER_EDIT_ONLY);
     }
     else {
       flag = FLAG_GEOMETRY;