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Cleanup: USD, added some clarifying comments 

No functional changes.
This commit is contained in:
Sybren A. Stüvel 2020-05-08 13:42:46 +02:00
parent f9d9bf41f6
commit d931981d24
2 changed files with 6 additions and 1 deletions
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1
source/blender/io/usd/intern/abstract_hierarchy_iterator.cc
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@ -508,6 +508,7 @@ void AbstractHierarchyIterator::make_writers(const HierarchyContext *parent_cont
}
for (HierarchyContext *context : graph_children(parent_context)) {
// Update the context so that it is correct for this parent-child relation.
copy_m4_m4(context->parent_matrix_inv_world, parent_matrix_inv_world);
// Get or create the transform writer.

6
source/blender/io/usd/intern/abstract_hierarchy_iterator.h
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@ -195,6 +195,7 @@ class AbstractHierarchyIterator {
void determine_duplication_references(const HierarchyContext *parent_context,
std::string indent);
/* These three functions create writers and call their write() method. */
void make_writers(const HierarchyContext *parent_context);
void make_writer_object_data(const HierarchyContext *context);
void make_writers_particle_systems(const HierarchyContext *context);
@ -244,7 +245,10 @@ class AbstractHierarchyIterator {
* data/hair/particle will NOT prevent the transform to be written.
*
* The returned writer is owned by the AbstractHierarchyWriter, and should be freed in
* delete_object_writer(). */
* delete_object_writer().
*
* The created AbstractHierarchyWriter instances should NOT keep a copy of the context pointer.
* The context can be stack-allocated and go out of scope. */
virtual AbstractHierarchyWriter *create_transform_writer(const HierarchyContext *context) = 0;
virtual AbstractHierarchyWriter *create_data_writer(const HierarchyContext *context) = 0;
virtual AbstractHierarchyWriter *create_hair_writer(const HierarchyContext *context) = 0;