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cube.h
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1 //
2 // Copyright 2016 Pixar
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24 #ifndef USDGEOM_GENERATED_CUBE_H
25 #define USDGEOM_GENERATED_CUBE_H
26 
27 /// \file usdGeom/cube.h
28 
29 #include "pxr/pxr.h"
30 #include "pxr/usd/usdGeom/api.h"
31 #include "pxr/usd/usdGeom/gprim.h"
32 #include "pxr/usd/usd/prim.h"
33 #include "pxr/usd/usd/stage.h"
34 #include "pxr/usd/usdGeom/tokens.h"
35 
36 #include "pxr/base/vt/value.h"
37 
38 #include "pxr/base/gf/vec3d.h"
39 #include "pxr/base/gf/vec3f.h"
40 #include "pxr/base/gf/matrix4d.h"
41 
42 #include "pxr/base/tf/token.h"
43 #include "pxr/base/tf/type.h"
44 
46 
47 class SdfAssetPath;
48 
49 // -------------------------------------------------------------------------- //
50 // CUBE //
51 // -------------------------------------------------------------------------- //
52 
53 /// \class UsdGeomCube
54 ///
55 /// Defines a primitive rectilinear cube centered at the origin.
56 ///
57 /// The fallback values for Cube, Sphere, Cone, and Cylinder are set so that
58 /// they all pack into the same volume/bounds.
59 ///
60 class UsdGeomCube : public UsdGeomGprim
61 {
62 public:
63  /// Compile time constant representing what kind of schema this class is.
64  ///
65  /// \sa UsdSchemaType
67 
68  /// Construct a UsdGeomCube on UsdPrim \p prim .
69  /// Equivalent to UsdGeomCube::Get(prim.GetStage(), prim.GetPath())
70  /// for a \em valid \p prim, but will not immediately throw an error for
71  /// an invalid \p prim
72  explicit UsdGeomCube(const UsdPrim& prim=UsdPrim())
73  : UsdGeomGprim(prim)
74  {
75  }
76 
77  /// Construct a UsdGeomCube on the prim held by \p schemaObj .
78  /// Should be preferred over UsdGeomCube(schemaObj.GetPrim()),
79  /// as it preserves SchemaBase state.
80  explicit UsdGeomCube(const UsdSchemaBase& schemaObj)
81  : UsdGeomGprim(schemaObj)
82  {
83  }
84 
85  /// Destructor.
87  virtual ~UsdGeomCube();
88 
89  /// Return a vector of names of all pre-declared attributes for this schema
90  /// class and all its ancestor classes. Does not include attributes that
91  /// may be authored by custom/extended methods of the schemas involved.
93  static const TfTokenVector &
94  GetSchemaAttributeNames(bool includeInherited=true);
95 
96  /// Return a UsdGeomCube holding the prim adhering to this
97  /// schema at \p path on \p stage. If no prim exists at \p path on
98  /// \p stage, or if the prim at that path does not adhere to this schema,
99  /// return an invalid schema object. This is shorthand for the following:
100  ///
101  /// \code
102  /// UsdGeomCube(stage->GetPrimAtPath(path));
103  /// \endcode
104  ///
106  static UsdGeomCube
107  Get(const UsdStagePtr &stage, const SdfPath &path);
108 
109  /// Attempt to ensure a \a UsdPrim adhering to this schema at \p path
110  /// is defined (according to UsdPrim::IsDefined()) on this stage.
111  ///
112  /// If a prim adhering to this schema at \p path is already defined on this
113  /// stage, return that prim. Otherwise author an \a SdfPrimSpec with
114  /// \a specifier == \a SdfSpecifierDef and this schema's prim type name for
115  /// the prim at \p path at the current EditTarget. Author \a SdfPrimSpec s
116  /// with \p specifier == \a SdfSpecifierDef and empty typeName at the
117  /// current EditTarget for any nonexistent, or existing but not \a Defined
118  /// ancestors.
119  ///
120  /// The given \a path must be an absolute prim path that does not contain
121  /// any variant selections.
122  ///
123  /// If it is impossible to author any of the necessary PrimSpecs, (for
124  /// example, in case \a path cannot map to the current UsdEditTarget's
125  /// namespace) issue an error and return an invalid \a UsdPrim.
126  ///
127  /// Note that this method may return a defined prim whose typeName does not
128  /// specify this schema class, in case a stronger typeName opinion overrides
129  /// the opinion at the current EditTarget.
130  ///
132  static UsdGeomCube
133  Define(const UsdStagePtr &stage, const SdfPath &path);
134 
135 protected:
136  /// Returns the type of schema this class belongs to.
137  ///
138  /// \sa UsdSchemaType
140  UsdSchemaType _GetSchemaType() const override;
141 
142 private:
143  // needs to invoke _GetStaticTfType.
144  friend class UsdSchemaRegistry;
146  static const TfType &_GetStaticTfType();
147 
148  static bool _IsTypedSchema();
149 
150  // override SchemaBase virtuals.
152  const TfType &_GetTfType() const override;
153 
154 public:
155  // --------------------------------------------------------------------- //
156  // SIZE
157  // --------------------------------------------------------------------- //
158  /// Indicates the length of each edge of the cube. If you
159  /// author \em size you must also author \em extent.
160  ///
161  /// \sa GetExtentAttr()
162  ///
163  /// | ||
164  /// | -- | -- |
165  /// | Declaration | `double size = 2` |
166  /// | C++ Type | double |
167  /// | \ref Usd_Datatypes "Usd Type" | SdfValueTypeNames->Double |
169  UsdAttribute GetSizeAttr() const;
170 
171  /// See GetSizeAttr(), and also
172  /// \ref Usd_Create_Or_Get_Property for when to use Get vs Create.
173  /// If specified, author \p defaultValue as the attribute's default,
174  /// sparsely (when it makes sense to do so) if \p writeSparsely is \c true -
175  /// the default for \p writeSparsely is \c false.
177  UsdAttribute CreateSizeAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
178 
179 public:
180  // --------------------------------------------------------------------- //
181  // EXTENT
182  // --------------------------------------------------------------------- //
183  /// Extent is re-defined on Cube only to provide a fallback value.
184  /// \sa UsdGeomGprim::GetExtentAttr().
185  ///
186  /// | ||
187  /// | -- | -- |
188  /// | Declaration | `float3[] extent = [(-1, -1, -1), (1, 1, 1)]` |
189  /// | C++ Type | VtArray<GfVec3f> |
190  /// | \ref Usd_Datatypes "Usd Type" | SdfValueTypeNames->Float3Array |
192  UsdAttribute GetExtentAttr() const;
193 
194  /// See GetExtentAttr(), and also
195  /// \ref Usd_Create_Or_Get_Property for when to use Get vs Create.
196  /// If specified, author \p defaultValue as the attribute's default,
197  /// sparsely (when it makes sense to do so) if \p writeSparsely is \c true -
198  /// the default for \p writeSparsely is \c false.
200  UsdAttribute CreateExtentAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
201 
202 public:
203  // ===================================================================== //
204  // Feel free to add custom code below this line, it will be preserved by
205  // the code generator.
206  //
207  // Just remember to:
208  // - Close the class declaration with };
209  // - Close the namespace with PXR_NAMESPACE_CLOSE_SCOPE
210  // - Close the include guard with #endif
211  // ===================================================================== //
212  // --(BEGIN CUSTOM CODE)--
213 
214  /// Compute the extent for the cube defined by the size of each dimension.
215  ///
216  /// \return true upon success, false if unable to calculate extent.
217  ///
218  /// On success, extent will contain an approximate axis-aligned bounding
219  /// box of the cube defined by the size of each dimension.
220  ///
221  /// This function is to provide easy authoring of extent for usd authoring
222  /// tools, hence it is static and acts outside a specific prim (as in
223  /// attribute based methods).
225  static bool ComputeExtent(double size, VtVec3fArray* extent);
226 
227  /// \overload
228  /// Computes the extent as if the matrix \p transform was first applied.
230  static bool ComputeExtent(double size, const GfMatrix4d& transform,
231  VtVec3fArray* extent);
232 };
233 
235 
236 #endif
GLsizeiptr size
Definition: glew.h:1681
GLuint GLenum GLenum transform
Definition: glew.h:14742
USDGEOM_API UsdAttribute GetExtentAttr() const
USDGEOM_API UsdAttribute GetSizeAttr() const
static USDGEOM_API UsdGeomCube Get(const UsdStagePtr &stage, const SdfPath &path)
Represents a concrete typed schema.
static USDGEOM_API UsdGeomCube Define(const UsdStagePtr &stage, const SdfPath &path)
UsdGeomCube(const UsdPrim &prim=UsdPrim())
Definition: cube.h:72
virtual USDGEOM_API ~UsdGeomCube()
Destructor.
USDGEOM_API UsdAttribute CreateSizeAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
static USDGEOM_API const TfTokenVector & GetSchemaAttributeNames(bool includeInherited=true)
static USDGEOM_API bool ComputeExtent(double size, VtVec3fArray *extent)
UsdSchemaType
Definition: common.h:127
Definition: prim.h:132
std::vector< TfToken > TfTokenVector
Convenience types.
Definition: token.h:446
Definition: path.h:288
GLint GLenum GLsizei GLsizei GLsizei GLsizei extent
Definition: glew.h:15538
GLsizei const GLchar *const * path
Definition: glew.h:6461
PXR_NAMESPACE_CLOSE_SCOPE PXR_NAMESPACE_OPEN_SCOPE
Definition: path.h:1346
#define PXR_NAMESPACE_CLOSE_SCOPE
Definition: pxr.h:91
USDGEOM_API UsdSchemaType _GetSchemaType() const override
Definition: type.h:64
#define USDGEOM_API
Definition: api.h:40
USDGEOM_API UsdAttribute CreateExtentAttr(VtValue const &defaultValue=VtValue(), bool writeSparsely=false) const
Definition: value.h:174
static const UsdSchemaType schemaType
Definition: cube.h:66
UsdGeomCube(const UsdSchemaBase &schemaObj)
Definition: cube.h:80