GEO/GEO_MetaPrim.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.
 *
 * Produced by:
 *      Mark Elendt
 *      Side Effects
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        GEO library (C++)
 *
 * COMMENTS:    base class for interface to Tesseara (meta) library
 *
 */

#ifndef __GEO_MetaPrim_h__
#define __GEO_MetaPrim_h__

#include "GEO_API.h"
#include <iostream.h>

class TS_MetaPrimitive;         // Primitive
class TS_MetaKernel;

class GEO_API GEO_MetaPrim {
public:
             GEO_MetaPrim();
    virtual ~GEO_MetaPrim();

//
//  Initialize the primitive so that the transforms are applied correctly
//      for using it (i.e. sending rays etc.)
    virtual void                 initTSdata() = 0;
    virtual TS_MetaPrimitive    *getMetaPrim() = 0;
    virtual TS_MetaPrimitive    *getNewMetaPrim() = 0;

    void                         setMetaKernel(const char *type);
    const char                  *getMetaKernel() const;
    void                         setWeight(float w);
    float                        getWeight() const { return weight; }

protected:
    int                          saveMeta(ostream &os, int binary) const;
    bool                         loadMeta(UT_IStream &is);

    float                weight;
    const TS_MetaKernel *kernel;
};

#endif

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