packedsphere/GT_GEOPackedSphere.h

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#ifndef __GT_GEOPackedSphere__
#define __GT_GEOPackedSphere__

#include <GT/GT_GEOPrimCollect.h>
#include <GA/GA_Types.h>

namespace HDK_Sample
{

/// Collector for packed primitives.
class GT_GEOPackedSphere : public GT_GEOPrimCollect
{
public:
    /// Register the GT collector
    static void registerPrimitive(const GA_PrimitiveTypeId &id);

             GT_GEOPackedSphere(const GA_PrimitiveTypeId &id);
            ~GT_GEOPackedSphere() override;

    /// @{
    /// Interface defined for GT_GEOPrimCollect
    GT_GEOPrimCollectData *
                beginCollecting(const GT_GEODetailListHandle &geometry,
                                const GT_RefineParms *parms) const override;
    GT_PrimitiveHandle
                collect(const GT_GEODetailListHandle &geo,
                        const GEO_Primitive *const* prim_list,
                        int nsegments,
                        GT_GEOPrimCollectData *data) const override;
    GT_PrimitiveHandle
                endCollecting(const GT_GEODetailListHandle &geometry,
                              GT_GEOPrimCollectData *data) const override;
    /// @}

    /// Create an instance list for the packed prims in 'offsets'
    GT_PrimitiveHandle  makeInstance(const GT_GEODetailListHandle &geometry,
                                     const GT_GEOOffsetList &offsets) const;
};

} // end namespace

#endif