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instancedNodeWriter.h
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24 #ifndef PXRUSDMAYA_INSTANCED_NODE_WRITER_H
25 #define PXRUSDMAYA_INSTANCED_NODE_WRITER_H
26 
28 
29 #include "pxr/pxr.h"
30 #include "usdMaya/primWriter.h"
31 
32 #include "usdMaya/util.h"
34 
35 #include "pxr/usd/sdf/path.h"
36 #include "pxr/usd/usd/timeCode.h"
37 
38 #include <maya/MFnDependencyNode.h>
39 
40 #include <vector>
41 
42 
43 PXR_NAMESPACE_OPEN_SCOPE
44 
45 
49 {
50 public:
52  const MFnDependencyNode& depNodeFn,
53  const SdfPath& usdInstancePath,
55 
56  bool ExportsGprims() const override;
57  bool ShouldPruneChildren() const override;
58  const SdfPathVector& GetModelPaths() const override;
60  GetDagToUsdPathMapping() const override;
61  void Write(const UsdTimeCode& usdTime) override;
62 
63 private:
64  UsdMayaWriteJobContext::_ExportAndRefPaths _masterPaths;
65 
66  // All of the data below is cached when we construct/obtain prim writers.
67  bool _exportsGprims;
68  std::vector<SdfPath> _modelPaths;
69  UsdMayaUtil::MDagPathMap<SdfPath> _dagToUsdPaths;
70 };
71 
72 
73 PXR_NAMESPACE_CLOSE_SCOPE
74 
75 
76 #endif
Provides basic functionality and access to shared data for UsdMayaPrimWriters.
std::map< MDagPath, V, _CmpDag > MDagPathMap
Mapping of DAG paths to an arbitrary type.
Definition: util.h:97
This is a &quot;helper&quot; prim writer used internally by UsdMayaWriteJobContext to author nodes that are dir...
Represent a time value, which may be either numeric, holding a double value, or a sentinel value UsdT...
Definition: timeCode.h:85
A path value used to locate objects in layers or scenegraphs.
Definition: path.h:287
bool ShouldPruneChildren() const override
Whether the traversal routine using this prim writer should skip all of the Maya node&#39;s descendants w...
Base class for all built-in and user-defined prim writers.
Definition: primWriter.h:64
const UsdMayaUtil::MDagPathMap< SdfPath > & GetDagToUsdPathMapping() const override
Gets a mapping from MDagPaths to exported prim paths.
const SdfPathVector & GetModelPaths() const override
Gets all of the exported prim paths that are potentially models, i.e.
bool ExportsGprims() const override
Whether this prim writer directly create one or more gprims on the current model on the USD stage...
void Write(const UsdTimeCode &usdTime) override
Main export function that runs when the traversal hits the node.