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.
 *
 * 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 <iosfwd>
#include <UT/UT_Vector3.h>
#include <UT/UT_BoundingBox.h>
#include <GA/GA_IntrinsicManager.h>     // For the inner Registrar class

class TS_MetaPrimitive;         // Primitive
class TS_MetaKernel;
class GA_PrimitiveDefinition;

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

    virtual TS_MetaPrimitive    *getNewMetaPrim() const = 0;
    virtual float                density(const UT_Vector3 &pos) const = 0;
    virtual void                 getBBox(UT_BoundingBox &bbox) const = 0;

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

protected:
    bool                saveMetaH9(std::ostream &os, bool binary) const;
    bool                loadMetaH9(UT_IStream &is);

    float                myWeight;
    const TS_MetaKernel *myKernel;
};

#endif