GT_CollectDiskData.h

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/*
 * PROPRIETARY INFORMATION.  This software is proprietary to
 * Side Effects Software Inc., and is not to be reproduced,
 * transmitted, or disclosed in any way without written permission.
 *
 * NAME:        GT_CollectDiskData.h ( GT Library, C++)
 *
 * COMMENTS:
 */
#ifndef GT_CollectDiskData_h
#define GT_CollectDiskData_h

#include "GT_GEODetailList.h"
#include "GT_GEOPrimCollect.h"
#include "GT_GEOSupport.h"
#include "GT_RefineParms.h"

#include <GEO/GEO_PackedTypes.h>
#include <UT/UT_StringMap.h>
#include <UT/UT_VectorTypes.h>

class GU_PackedDiskSequence;
class GU_PackedDisk;
class GU_PrimPacked;

class GT_CollectDiskData : public GT_GEOPrimCollectData
{
public:
    GT_CollectDiskData(const GT_GEODetailListHandle &geometry,
                       const GT_RefineParms *parms)
        : GT_GEOPrimCollectData()
        , myGeometry(geometry)
        , myRefineParms(parms)
        {}

    void                append(const GU_ConstDetailHandle &prim_gdh,
                               const GU_PrimPacked &prim);
    GT_PrimitiveHandle  finish();
    
private:
    GT_GEODetailListHandle      myGeometry;
    const GT_RefineParms       *myRefineParms;
    
    class Item
    {
    public:
        Item()
            : myPrimSeq(nullptr), myPrimDisk(nullptr), myLODBits(0), myIndex(0)
            {}
        
        UT_Matrix4DArray         myTransforms;
        GT_GEOOffsetList         myPrimOffsets;
        GT_GEOOffsetList         myVertexOffsets;
        UT_Array<GEO_ViewportLOD> myLODs;
        const GU_PackedDiskSequence *myPrimSeq;
        const GU_PackedDisk     *myPrimDisk;
        exint                    myIndex;
        int                      myLODBits;
    };
    UT_StringMap<Item>          myFiles;
};

#endif