OSGDVRVolume.h

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#ifndef _OSGDVRVOLUME_H_
#define _OSGDVRVOLUME_H_
#ifdef __sgi
#pragma once
#endif

#undef OSG_INCLUDE_SOVOLUME


#include <OSGConfig.h>

#include <OSGDVRVolumeBase.h>
#include <OSGAction.h>
#include <OSGDrawAction.h>
#include <OSGTextureManager.h>
#include <OSGDVRClipper.h>



#define DVRVOLUME_PARAMETER(volume, class) \
class##Ptr::dcast(volume->findParameter(class::getClassType()))



#ifdef OSG_INCLUDE_SOVOLUME
class SoVolume;
#endif

OSG_BEGIN_NAMESPACE

class OSG_SYSTEMLIB_DLLMAPPING DVRVolume : public DVRVolumeBase
{
  private:

    typedef DVRVolumeBase Inherited;

    /*==========================  PUBLIC  =================================*/

  public:

    /*---------------------------------------------------------------------*/
     void setAppearance    (const DVRAppearancePtr &value);
     void setGeometry      (const DVRGeometryPtr   &value);
     void setShader        (const DVRShaderPtr     &value);
     void setRenderMaterial(const MaterialPtr      &value);
     void setTextureStorage(const ChunkMaterialPtr &value);

    /*---------------------------------------------------------------------*/
    virtual void changed(BitVector  whichField, 
                         UInt32     from);

    /*---------------------------------------------------------------------*/
    virtual void dump(      UInt32     uiIndent = 0, 
                      const BitVector  bvFlags  = 0) const;

    /*---------------------------------------------------------------------*/
    // execute the OpenGL commands to draw the geometry 
    Action::ResultE doDraw(Action         *action);
    
    // low-level OpenGL calls, ignoring materials   
    Action::ResultE draw  (DrawActionBase *action);

    // generate draw tree
    Action::ResultE render(Action         *action);

    /*---------------------------------------------------------------------*/
    AttachmentPtr findParameter(const FieldContainerType &type,
                                      UInt16              binding = 0);

    AttachmentPtr findParameter(      UInt32              groupId, 
                                      UInt16              binding = 0);

    /*---------------------------------------------------------------------*/
    void          buildDrawStyleList   (      Window         *win = NULL    );

    void          initializeClipObjects(      DrawActionBase *action, 
                                        const Matrix          &volumeToWorld);


    /*---------------------------------------------------------------------*/
    TextureManager              &getTextureManager(void          );

    TextureManager::TextureMode  getTextureMode   (Window *window);


    // updates the texture color table
    void reload(void);
    
    /*=========================  PROTECTED  ===============================*/

  protected:

    /*---------------------------------------------------------------------*/
    DVRVolume(void);
    DVRVolume(const DVRVolume &source);

    /*---------------------------------------------------------------------*/
    virtual ~DVRVolume(void); 

    /*---------------------------------------------------------------------*/
    virtual void adjustVolume(Volume &volume);

    /*---------------------------------------------------------------------*/
    // extension indices for used extensions;
    static UInt32 _extTex3D;
    
    /*==========================  PRIVATE  ================================*/

  private:

    friend class FieldContainer;
    friend class DVRVolumeBase;
    
    static void initMethod(void);

    // prohibit default functions (move to 'public' if you need one)

    void operator =(const DVRVolume &source);

    void commonConstructor( void );

    // intersect action: ray test
    Action::ResultE intersect(Action * action);

    /*---------------------------------------------------------------------*/
#ifdef OSG_INCLUDE_SOVOLUME
    SoVolume       *volumeImpl;
    UInt32          nextDrawStyle;
#endif
    bool            drawStyleListValid;
    TextureManager  textureManager;
    bool            shadingInitialized;

    DVRClipper      clipper;
    

    friend class TextureManager;
};

typedef DVRVolume *DVRVolumeP;

OSG_END_NAMESPACE

#include <OSGDVRVolume.inl>
#include <OSGDVRVolumeBase.inl>

#define OSGDVRVOLUME_HEADER_CVSID "@(#)$Id: $"

#endif /* _OSGDVRVOLUME_H_ */

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