diff options
| author | Sybren A. Stüvel <sybren@blender.org> | 2020-01-09 17:32:20 +0300 |
|---|---|---|
| committer | Sybren A. Stüvel <sybren@blender.org> | 2020-01-09 17:47:08 +0300 |
| commit | 04122c8eb257d56cf055f409d5286774cf31bbb6 (patch) | |
| tree | 0984326c50540f8738c207b2c1c83737e27e4f1a /source/blender/usd | |
| parent | e55ffb28a977ef16ef303b766233366086af2bfd (diff) | |
USD Exporter: clarification of some comments in the code
No functional changes.
Diffstat (limited to 'source/blender/usd')
| -rw-r--r-- | source/blender/usd/intern/abstract_hierarchy_iterator.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/source/blender/usd/intern/abstract_hierarchy_iterator.h b/source/blender/usd/intern/abstract_hierarchy_iterator.h index ebe95751510..8bca2ddd447 100644 --- a/source/blender/usd/intern/abstract_hierarchy_iterator.h +++ b/source/blender/usd/intern/abstract_hierarchy_iterator.h @@ -128,14 +128,16 @@ class AbstractHierarchyIterator { public: /* Mapping from export path to writer. */ typedef std::map<std::string, AbstractHierarchyWriter *> WriterMap; - /* Pair of a duplicated object and its duplicator, typically a pair of HierarchyContext::object - * and HierarchyContext::duplicator. */ + /* Pair of a (potentially duplicated) object and its duplicator (or nullptr). + * This is typically used to store a pair of HierarchyContext::object and + * HierarchyContext::duplicator. */ typedef std::pair<Object *, Object *> DupliAndDuplicator; /* All the children of some object, as per the export hierarchy. */ typedef std::set<HierarchyContext *> ExportChildren; /* Mapping from an object and its duplicator to the object's export-children. */ typedef std::map<DupliAndDuplicator, ExportChildren> ExportGraph; - /* Mapping from (potential) duplicator ID to export path. */ + /* Mapping from ID to its export path. This is used for instancing; given an + * instanced datablock, the export path of the original can be looked up. */ typedef std::map<ID *, std::string> ExportPathMap; protected: |