capsule.h

//
// Copyright 2016 Pixar
//
// Licensed under the Apache License, Version 2.0 (the "Apache License")
// with the following modification; you may not use this file except in
// compliance with the Apache License and the following modification to it:
// Section 6. Trademarks. is deleted and replaced with:
//
// 6. Trademarks. This License does not grant permission to use the trade
//    names, trademarks, service marks, or product names of the Licensor
//    and its affiliates, except as required to comply with Section 4(c) of
//    the License and to reproduce the content of the NOTICE file.
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// You may obtain a copy of the Apache License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the Apache License with the above modification is
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//
#ifndef USDGEOM_GENERATED_CAPSULE_H
#define USDGEOM_GENERATED_CAPSULE_H

/// \file usdGeom/capsule.h

#include "pxr/usd/usdGeom/gprim.h"
#include "pxr/usd/usd/prim.h"
#include "pxr/usd/usd/stage.h"
#include "pxr/usd/usdGeom/tokens.h"

#include "pxr/base/vt/value.h"

#include "pxr/base/gf/vec3d.h"
#include "pxr/base/gf/vec3f.h"
#include "pxr/base/gf/matrix4d.h"

#include "pxr/base/tf/token.h"
#include "pxr/base/tf/type.h"

class SdfAssetPath;

// -------------------------------------------------------------------------- //
// CAPSULE                                                                    //
// -------------------------------------------------------------------------- //

/// \class UsdGeomCapsule
///
/// Defines a primitive capsule, i.e. a cylinder capped by two half
/// spheres, centered at the origin, whose spine is along the specified
/// \em axis.
///
/// For any described attribute \em Fallback \em Value or \em Allowed \em Values below
/// that are text/tokens, the actual token is published and defined in \ref UsdGeomTokens.
/// So to set an attribute to the value "rightHanded", use UsdGeomTokens->rightHanded
/// as the value.
///
class UsdGeomCapsule : public UsdGeomGprim
{
public:
    /// Compile-time constant indicating whether or not this class corresponds
    /// to a concrete instantiable prim type in scene description.  If this is
    /// true, GetStaticPrimDefinition() will return a valid prim definition with
    /// a non-empty typeName.
    static const bool IsConcrete = true;

    /// Construct a UsdGeomCapsule on UsdPrim \p prim .
    /// Equivalent to UsdGeomCapsule::Get(prim.GetStage(), prim.GetPath())
    /// for a \em valid \p prim, but will not immediately throw an error for
    /// an invalid \p prim
    explicit UsdGeomCapsule(const UsdPrim& prim=UsdPrim())
        : UsdGeomGprim(prim)
    {
    }

    /// Construct a UsdGeomCapsule on the prim held by \p schemaObj .
    /// Should be preferred over UsdGeomCapsule(schemaObj.GetPrim()),
    /// as it preserves SchemaBase state.
    explicit UsdGeomCapsule(const UsdSchemaBase& schemaObj)
        : UsdGeomGprim(schemaObj)
    {
    }

    /// Destructor.
    virtual ~UsdGeomCapsule();

    /// Return a vector of names of all pre-declared attributes for this schema
    /// class and all its ancestor classes.  Does not include attributes that
    /// may be authored by custom/extended methods of the schemas involved.
    static const TfTokenVector &
    GetSchemaAttributeNames(bool includeInherited=true);

    /// Return a UsdGeomCapsule holding the prim adhering to this
    /// schema at \p path on \p stage.  If no prim exists at \p path on
    /// \p stage, or if the prim at that path does not adhere to this schema,
    /// return an invalid schema object.  This is shorthand for the following:
    ///
    /// \code
    /// UsdGeomCapsule(stage->GetPrimAtPath(path));
    /// \endcode
    ///
    static UsdGeomCapsule
    Get(const UsdStagePtr &stage, const SdfPath &path);

    /// Attempt to ensure a \a UsdPrim adhering to this schema at \p path
    /// is defined (according to UsdPrim::IsDefined()) on this stage.
    ///
    /// If a prim adhering to this schema at \p path is already defined on this
    /// stage, return that prim.  Otherwise author an \a SdfPrimSpec with
    /// \a specifier == \a SdfSpecifierDef and this schema's prim type name for
    /// the prim at \p path at the current EditTarget.  Author \a SdfPrimSpec s
    /// with \p specifier == \a SdfSpecifierDef and empty typeName at the
    /// current EditTarget for any nonexistent, or existing but not \a Defined
    /// ancestors.
    ///
    /// The given \a path must be an absolute prim path that does not contain
    /// any variant selections.
    ///
    /// If it is impossible to author any of the necessary PrimSpecs, (for
    /// example, in case \a path cannot map to the current UsdEditTarget's
    /// namespace) issue an error and return an invalid \a UsdPrim.
    ///
    /// Note that this method may return a defined prim whose typeName does not
    /// specify this schema class, in case a stronger typeName opinion overrides
    /// the opinion at the current EditTarget.
    ///
    static UsdGeomCapsule
    Define(const UsdStagePtr &stage, const SdfPath &path);

private:
    // needs to invoke _GetStaticTfType.
    friend class UsdSchemaRegistry;
    static const TfType &_GetStaticTfType();

    static bool _IsTypedSchema();

    // override SchemaBase virtuals.
    virtual const TfType &_GetTfType() const;

public:
    // --------------------------------------------------------------------- //
    // HEIGHT 
    // --------------------------------------------------------------------- //
    /// The size of the capsule's spine along the specified
    /// \em axis excluding the size of the two half spheres, i.e.
    /// the size of the cylinder portion of the capsule.
    /// If you author \em height you must also author \em extent.
    /// \sa GetExtentAttr()
    ///
    /// \n  C++ Type: double
    /// \n  Usd Type: SdfValueTypeNames->Double
    /// \n  Variability: SdfVariabilityVarying
    /// \n  Fallback Value: 1.0
    UsdAttribute GetHeightAttr() const;

    /// See GetHeightAttr(), and also 
    /// \ref Usd_Create_Or_Get_Property for when to use Get vs Create.
    /// If specified, author \p defaultValue as the attribute's default,
    /// sparsely (when it makes sense to do so) if \p writeSparsely is \c true -
    /// the default for \p writeSparsely is \c false.
    UsdAttribute CreateHeightAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;

public:
    // --------------------------------------------------------------------- //
    // RADIUS 
    // --------------------------------------------------------------------- //
    /// The radius of the capsule.  If you
    /// author \em radius you must also author \em extent.
    /// 
    /// \sa GetExtentAttr()
    ///
    /// \n  C++ Type: double
    /// \n  Usd Type: SdfValueTypeNames->Double
    /// \n  Variability: SdfVariabilityVarying
    /// \n  Fallback Value: 0.5
    UsdAttribute GetRadiusAttr() const;

    /// See GetRadiusAttr(), and also 
    /// \ref Usd_Create_Or_Get_Property for when to use Get vs Create.
    /// If specified, author \p defaultValue as the attribute's default,
    /// sparsely (when it makes sense to do so) if \p writeSparsely is \c true -
    /// the default for \p writeSparsely is \c false.
    UsdAttribute CreateRadiusAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;

public:
    // --------------------------------------------------------------------- //
    // AXIS 
    // --------------------------------------------------------------------- //
    /// The axis along which the spine of the capsule is aligned
    ///
    /// \n  C++ Type: TfToken
    /// \n  Usd Type: SdfValueTypeNames->Token
    /// \n  Variability: SdfVariabilityUniform
    /// \n  Fallback Value: Z
    /// \n  \ref UsdGeomTokens "Allowed Values": [X, Y, Z]
    UsdAttribute GetAxisAttr() const;

    /// See GetAxisAttr(), and also 
    /// \ref Usd_Create_Or_Get_Property for when to use Get vs Create.
    /// If specified, author \p defaultValue as the attribute's default,
    /// sparsely (when it makes sense to do so) if \p writeSparsely is \c true -
    /// the default for \p writeSparsely is \c false.
    UsdAttribute CreateAxisAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;

public:
    // --------------------------------------------------------------------- //
    // EXTENT 
    // --------------------------------------------------------------------- //
    /// Extent is re-defined on Capsule only to provide a fallback
    /// value. \sa UsdGeomGprim::GetExtentAttr().
    ///
    /// \n  C++ Type: VtArray<GfVec3f>
    /// \n  Usd Type: SdfValueTypeNames->Float3Array
    /// \n  Variability: SdfVariabilityVarying
    /// \n  Fallback Value: [(-0.5, -0.5, -1), (0.5, 0.5, 1)]
    UsdAttribute GetExtentAttr() const;

    /// See GetExtentAttr(), and also 
    /// \ref Usd_Create_Or_Get_Property for when to use Get vs Create.
    /// If specified, author \p defaultValue as the attribute's default,
    /// sparsely (when it makes sense to do so) if \p writeSparsely is \c true -
    /// the default for \p writeSparsely is \c false.
    UsdAttribute CreateExtentAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;

public:
    // ===================================================================== //
    // Feel free to add custom code below this line, it will be preserved by 
    // the code generator. 
    //
    // Just remember to close the class delcaration with }; and complete the
    // include guard with #endif
    // ===================================================================== //
    // --(BEGIN CUSTOM CODE)--
};

#endif