AbcBullet/AbcWriteJob.h

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#ifndef _AbcExport_AbcWriteJob_h_
#define _AbcExport_AbcWriteJob_h_

#include "Foundation.h"

#include "MayaTransformWriter.h"
#include "MayaTransformCollectionWriter.h"

#include "MayaUtility.h"

struct AbcWriteJobStatistics
{
    AbcWriteJobStatistics()
    {
        mTransStaticNum = 0;
        mTransAnimNum = 0;
        mTransColNum = 0;
    }

    // for the statistic string
    unsigned int mTransStaticNum;
    unsigned int mTransAnimNum;
    unsigned int mTransColNum;
};

class AbcWriteJob
{
  public:

    AbcWriteJob(const char * iFileName,
        std::set<double> & iTransFrames,
        Alembic::AbcCoreAbstract::TimeSamplingPtr iTransTime,
        const JobArgs & iArgs);

    ~AbcWriteJob();

    // returns true if eval has been called on the last frame
    bool eval(double iFrame);

  private:

    void perFrameCallback(double iFrame);
    void postCallback(double iFrame);

    void setup(double iFrame, MayaTransformWriterPtr iParent,
               util::GetMembersMap& gmMap);

    std::vector< MayaTransformWriterPtr > mTransList;
    std::vector< AttributesWriterPtr > mTransAttrList;

    std::vector< MayaTransformCollectionWriterPtr > mTransColList;
    std::vector< AttributesWriterPtr > mTransColAttrList;

    // helper dag path for recursive calculations
    MDagPath mCurDag;

    // the root world node of the scene
    Alembic::Abc::OArchive mRoot;

    std::string mFileName;

    MSelectionList mSList;

    std::set<double> mTransFrames;
    Alembic::AbcCoreAbstract::TimeSamplingPtr mTransTime;
    Alembic::Util::uint32_t mTransTimeIndex;
    Alembic::Util::uint32_t mTransSamples;

    // when eval is called and the time is the first frame
    // then we run the setup
    double mFirstFrame;

    // when eval is called and the time is the last frame
    // then we also call the post callback
    double mLastFrame;

    Alembic::Abc::OBox3dProperty mBoxProp;
    unsigned int mBoxIndex;

    AbcWriteJobStatistics mStats;
    JobArgs mArgs;
};

typedef Alembic::Util::shared_ptr < AbcWriteJob > AbcWriteJobPtr;

#endif  // _AbcExport_AbcWriteJob_h_