GU/GU_PolyCacheUV.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:
 *      Ondrej Kos
 *      Side Effects
 *      477 Richmond Street West
 *      Toronto, Ontario
 *      Canada   M5V 3E7
 *      416-504-9876
 *
 * NAME:        Geometry library (C++)
 *
 * COMMENTS:    UV display cache for polygons
 */

#ifndef __GU_PolyCacheUV_H__
#define __GU_PolyCacheUV_H__

#include "GU_API.h"
#include "GU_DisplayCache.h"

class GU_PrimPoly;
class GU_PolyCacheParmsUV;


class GU_API GU_PolyCacheUV : public GU_DisplayCache
{
public:
                 GU_PolyCacheUV(void);
    virtual     ~GU_PolyCacheUV(void);

    // Build the cache.
    int                          refresh(GU_PolyCacheParmsUV &parms);
    const unsigned short        *getCommands() const    { return myCommands; }

protected:
    // Clear the cache data and other related info:
    virtual void initializeData(void);

private:
    unsigned short      *myCommands;
    int                  myCommandSize;
};

class GU_API GU_PolyCacheParmsUV : public GU_CacheParms
{
public:
                 GU_PolyCacheParmsUV(void) { myMaxSides = 256; }
    virtual     ~GU_PolyCacheParmsUV(void);

    void                 setPoly(GU_PrimPoly *poly)     { myPoly = poly; }
    GU_PrimPoly         *getPoly(void) const            { return myPoly;  }
    void                 setMaxSides(int sides)         { myMaxSides = sides; }
    int                  getMaxSides() const            { return myMaxSides; }
    void                 setOffset(int offset, bool is_vertex)
                         { myOffset = offset; myIsVertexAttrib = is_vertex; }
    bool                 isVertexAttrib() const { return myIsVertexAttrib; }
    int                  getOffset() const { return myOffset; }

private:
    GU_PrimPoly         *myPoly;
    int                  myMaxSides;
    int                  myOffset;
    bool                 myIsVertexAttrib;
};

#endif

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