Fix Rigidbody depsgraph passive and constraint transform relations.

We need to have transforms from passive objects if they are animated or
driven by parent relations. This is not immediately obvious as the
object transform matrix will still be available, it is just one frame
behind in some cases.

Fixed dependency cycles if there is a constraint between two rigid
bodies. Because bullet keeps track of its simulated bodies, we do not
need to supply objects transforms as bullet should already have them.

I need combine these two fixes because otherwise we will get depsgraph
warnings that nodes are missing that it expects to be there.

Reviewed By: Sergey, Jacques

Differential Revision: http://developer.blender.org/D8732

1 files changed, 3 insertions, 1 deletions

diff --git a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
index 2669de87bc4..670827dc4d8 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
@@ -1129,9 +1129,11 @@ void DepsgraphNodeBuilder::build_rigidbody(Scene *scene)
       if (object->rigidbody_object == nullptr) {
         continue;
       }
-      if (object->rigidbody_object->type == RBO_TYPE_PASSIVE) {
+
+      if (!BKE_rigidbody_is_affected_by_simulation(object)) {
         continue;
       }
+
       /* Create operation for flushing results. */
       /* Object's transform component - where the rigidbody operation
        * lives. */