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xform.h
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2 // Copyright 2016 Pixar
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5 // with the following modification; you may not use this file except in
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24 #ifndef USDGEOM_GENERATED_XFORM_H
25 #define USDGEOM_GENERATED_XFORM_H
26 
27 /// \file usdGeom/xform.h
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usd/usdGeom/api.h"
32 #include "pxr/usd/usd/prim.h"
33 #include "pxr/usd/usd/stage.h"
34 
35 #include "pxr/base/vt/value.h"
36 
37 #include "pxr/base/gf/vec3d.h"
38 #include "pxr/base/gf/vec3f.h"
39 #include "pxr/base/gf/matrix4d.h"
40 
41 #include "pxr/base/tf/token.h"
42 #include "pxr/base/tf/type.h"
43 
45 
46 class SdfAssetPath;
47 
48 // -------------------------------------------------------------------------- //
49 // XFORM //
50 // -------------------------------------------------------------------------- //
51 
52 /// \class UsdGeomXform
53 ///
54 /// Concrete prim schema for a transform, which implements Xformable
55 ///
57 {
58 public:
59  /// Compile time constant representing what kind of schema this class is.
60  ///
61  /// \sa UsdSchemaKind
63 
64  /// Construct a UsdGeomXform on UsdPrim \p prim .
65  /// Equivalent to UsdGeomXform::Get(prim.GetStage(), prim.GetPath())
66  /// for a \em valid \p prim, but will not immediately throw an error for
67  /// an invalid \p prim
68  explicit UsdGeomXform(const UsdPrim& prim=UsdPrim())
69  : UsdGeomXformable(prim)
70  {
71  }
72 
73  /// Construct a UsdGeomXform on the prim held by \p schemaObj .
74  /// Should be preferred over UsdGeomXform(schemaObj.GetPrim()),
75  /// as it preserves SchemaBase state.
76  explicit UsdGeomXform(const UsdSchemaBase& schemaObj)
77  : UsdGeomXformable(schemaObj)
78  {
79  }
80 
81  /// Destructor.
83  virtual ~UsdGeomXform();
84 
85  /// Return a vector of names of all pre-declared attributes for this schema
86  /// class and all its ancestor classes. Does not include attributes that
87  /// may be authored by custom/extended methods of the schemas involved.
89  static const TfTokenVector &
90  GetSchemaAttributeNames(bool includeInherited=true);
91 
92  /// Return a UsdGeomXform holding the prim adhering to this
93  /// schema at \p path on \p stage. If no prim exists at \p path on
94  /// \p stage, or if the prim at that path does not adhere to this schema,
95  /// return an invalid schema object. This is shorthand for the following:
96  ///
97  /// \code
98  /// UsdGeomXform(stage->GetPrimAtPath(path));
99  /// \endcode
100  ///
102  static UsdGeomXform
103  Get(const UsdStagePtr &stage, const SdfPath &path);
104 
105  /// Attempt to ensure a \a UsdPrim adhering to this schema at \p path
106  /// is defined (according to UsdPrim::IsDefined()) on this stage.
107  ///
108  /// If a prim adhering to this schema at \p path is already defined on this
109  /// stage, return that prim. Otherwise author an \a SdfPrimSpec with
110  /// \a specifier == \a SdfSpecifierDef and this schema's prim type name for
111  /// the prim at \p path at the current EditTarget. Author \a SdfPrimSpec s
112  /// with \p specifier == \a SdfSpecifierDef and empty typeName at the
113  /// current EditTarget for any nonexistent, or existing but not \a Defined
114  /// ancestors.
115  ///
116  /// The given \a path must be an absolute prim path that does not contain
117  /// any variant selections.
118  ///
119  /// If it is impossible to author any of the necessary PrimSpecs, (for
120  /// example, in case \a path cannot map to the current UsdEditTarget's
121  /// namespace) issue an error and return an invalid \a UsdPrim.
122  ///
123  /// Note that this method may return a defined prim whose typeName does not
124  /// specify this schema class, in case a stronger typeName opinion overrides
125  /// the opinion at the current EditTarget.
126  ///
128  static UsdGeomXform
129  Define(const UsdStagePtr &stage, const SdfPath &path);
130 
131 protected:
132  /// Returns the kind of schema this class belongs to.
133  ///
134  /// \sa UsdSchemaKind
136  UsdSchemaKind _GetSchemaKind() const override;
137 
138 private:
139  // needs to invoke _GetStaticTfType.
140  friend class UsdSchemaRegistry;
142  static const TfType &_GetStaticTfType();
143 
144  static bool _IsTypedSchema();
145 
146  // override SchemaBase virtuals.
148  const TfType &_GetTfType() const override;
149 
150 public:
151  // ===================================================================== //
152  // Feel free to add custom code below this line, it will be preserved by
153  // the code generator.
154  //
155  // Just remember to:
156  // - Close the class declaration with };
157  // - Close the namespace with PXR_NAMESPACE_CLOSE_SCOPE
158  // - Close the include guard with #endif
159  // ===================================================================== //
160  // --(BEGIN CUSTOM CODE)--
161 };
162 
164 
165 #endif
USDGEOM_API UsdSchemaKind _GetSchemaKind() const override
static USDGEOM_API const TfTokenVector & GetSchemaAttributeNames(bool includeInherited=true)
GLsizei const GLchar *const * path
Definition: glcorearb.h:3341
UsdGeomXform(const UsdPrim &prim=UsdPrim())
Definition: xform.h:68
static USDGEOM_API UsdGeomXform Define(const UsdStagePtr &stage, const SdfPath &path)
virtual USDGEOM_API ~UsdGeomXform()
Destructor.
UsdSchemaKind
Definition: common.h:127
UsdGeomXform(const UsdSchemaBase &schemaObj)
Definition: xform.h:76
Represents a concrete typed schema.
Definition: prim.h:132
std::vector< TfToken > TfTokenVector
Convenience types.
Definition: token.h:442
Definition: path.h:290
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1394
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
Definition: type.h:64
#define USDGEOM_API
Definition: api.h:40
static const UsdSchemaKind schemaKind
Definition: xform.h:62
static USDGEOM_API UsdGeomXform Get(const UsdStagePtr &stage, const SdfPath &path)