screenSizeHeuristic.h

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//
// Copyright 2016 Pixar
//
// Licensed under the terms set forth in the LICENSE.txt file available at
// https://openusd.org/license.
//
#ifndef USDLOD_GENERATED_SCREENSIZEHEURISTIC_H
#define USDLOD_GENERATED_SCREENSIZEHEURISTIC_H
 
 
#include "pxr/pxr.h"
#include "pxr/usd/usdLod/api.h"
#include "pxr/usd/usdLod/heuristic.h"
#include "pxr/usd/usd/prim.h"
#include "pxr/usd/usd/stage.h"
#include "pxr/usd/usdLod/tokens.h"
 
#include "pxr/usd/usdLod/screenSizeHeuristicQuery.h"
#include "pxr/usd/usdGeom/boundable.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"
 
PXR_NAMESPACE_OPEN_SCOPE
 
class SdfAssetPath;
 
// -------------------------------------------------------------------------- //
// LODSCREENSIZEHEURISTIC                                                     //
// -------------------------------------------------------------------------- //
 
class UsdLodScreenSizeHeuristic : public UsdLodHeuristic
{
public:
    static const UsdSchemaKind schemaKind = UsdSchemaKind::ConcreteTyped;
 
    explicit UsdLodScreenSizeHeuristic(const UsdPrim& prim=UsdPrim())
        : UsdLodHeuristic(prim)
    {
    }
 
    explicit UsdLodScreenSizeHeuristic(const UsdSchemaBase& schemaObj)
        : UsdLodHeuristic(schemaObj)
    {
    }
 
    USDLOD_API
    virtual ~UsdLodScreenSizeHeuristic();
 
    USDLOD_API
    static const TfTokenVector &
    GetSchemaAttributeNames(bool includeInherited=true);
 
    USDLOD_API
    static UsdLodScreenSizeHeuristic
    Get(const UsdStagePtr &stage, const SdfPath &path);
 
    USDLOD_API
    static UsdLodScreenSizeHeuristic
    Define(const UsdStagePtr &stage, const SdfPath &path);
 
protected:
    USDLOD_API
    UsdSchemaKind _GetSchemaKind() const override;
 
private:
    // needs to invoke _GetStaticTfType.
    friend class UsdSchemaRegistry;
    USDLOD_API
    static const TfType &_GetStaticTfType();
 
    static bool _IsTypedSchema();
 
    // override SchemaBase virtuals.
    USDLOD_API
    const TfType &_GetTfType() const override;
 
public:
    // --------------------------------------------------------------------- //
    // EXTENT 
    // --------------------------------------------------------------------- //
    USDLOD_API
    UsdAttribute GetExtentAttr() const;
 
    USDLOD_API
    UsdAttribute CreateExtentAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
 
public:
    // --------------------------------------------------------------------- //
    // PROJECTIONMETHOD 
    // --------------------------------------------------------------------- //
    USDLOD_API
    UsdAttribute GetProjectionMethodAttr() const;
 
    USDLOD_API
    UsdAttribute CreateProjectionMethodAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
 
public:
    // --------------------------------------------------------------------- //
    // THRESHOLDS 
    // --------------------------------------------------------------------- //
    USDLOD_API
    UsdAttribute GetThresholdsAttr() const;
 
    USDLOD_API
    UsdAttribute CreateThresholdsAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
 
public:
    // --------------------------------------------------------------------- //
    // BLENDTHRESHOLDS 
    // --------------------------------------------------------------------- //
    USDLOD_API
    UsdAttribute GetBlendThresholdsAttr() const;
 
    USDLOD_API
    UsdAttribute CreateBlendThresholdsAttr(VtValue const &defaultValue = VtValue(), bool writeSparsely=false) const;
 
public:
    // --------------------------------------------------------------------- //
    // BOUNDINGVOLUME 
    // --------------------------------------------------------------------- //
    USDLOD_API
    UsdRelationship GetBoundingVolumeRel() const;
 
    USDLOD_API
    UsdRelationship CreateBoundingVolumeRel() 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 declaration with }; 
    //  - Close the namespace with PXR_NAMESPACE_CLOSE_SCOPE
    //  - Close the include guard with #endif
    // ===================================================================== //
    // --(BEGIN CUSTOM CODE)--
 
    USDLOD_API
    UsdLodScreenSizeHeuristicQuery CreateScreenSizeHeuristicQuery(
        UsdTimeCode time = UsdTimeCode::Default()) const;
 
    USDLOD_API
    double ComputeScreenSize(
        const GfFrustum& frustum,
        const GfMatrix4d& transform,
        UsdTimeCode time = UsdTimeCode::Default()) const
    {
        return CreateScreenSizeHeuristicQuery(time)
            .ComputeScreenSize(frustum, transform);
    }
 
    USDLOD_API
    double ComputeScreenSize(
        const GfFrustum& frustum,
        const GfMatrix4d& transform,
        double prevSize,
        double hysteresis,
        UsdTimeCode time = UsdTimeCode::Default()) const
    {
        return CreateScreenSizeHeuristicQuery(time)
            .ComputeScreenSize(frustum, transform, prevSize, hysteresis);
    }
 
    USDLOD_API
    float ComputeLOD(
        double size,
        UsdTimeCode time = UsdTimeCode::Default()) const
    {
        return CreateScreenSizeHeuristicQuery(time)
            .ComputeLOD(size);
    }
 
    USDLOD_API
    float ComputeLOD(
        const GfFrustum& frustum,
        const GfMatrix4d& transform,
        UsdTimeCode time = UsdTimeCode::Default()) const
    {
        return CreateScreenSizeHeuristicQuery(time)
            .ComputeLOD(frustum, transform);
    }
 
    USDLOD_API
    float ComputeLOD(
        const GfFrustum& frustum,
        const GfMatrix4d& transform,
        double prevSize,
        double hysteresis,
        double* screenSizeOut,
        UsdTimeCode time = UsdTimeCode::Default()) const
    {
        return CreateScreenSizeHeuristicQuery(time)
            .ComputeLOD(frustum, transform, prevSize, hysteresis,
                        screenSizeOut);
    }
 
};
 
PXR_NAMESPACE_CLOSE_SCOPE
 
#endif