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USD Exporter: clarification of some comments in the code 

No functional changes.
This commit is contained in:
Sybren A. Stüvel 2020-01-09 15:32:20 +01:00
parent e55ffb28a9
commit 04122c8eb2
1 changed files with 5 additions and 3 deletions
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8
source/blender/usd/intern/abstract_hierarchy_iterator.h
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@ -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: