SoMPEGNavRenderer.h

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**=======================================================================*/
/*=======================================================================
** Author      : C. HUFSCHMITT (Jul 2001)
**=======================================================================*/
 
#ifndef _SO_MPEGNAVRENDERER_
#define _SO_MPEGNAVRENDERER_
 
#include <Inventor/MPEG/SoMPEGRenderer.h>
#include <Inventor/nodes/SoCamera.h>
#include <Inventor/sensors/SoFieldSensor.h>
#include <Inventor/SbBasic.h>
#include <Inventor/SbPList.h>
#include <Inventor/nodes/SoDirectionalLight.h>
#include <Inventor/nodes/SoRotation.h>
#include <Inventor/SoOffscreenRenderArea.h>
 
/*----------------------------------------------------------------------------*/
 
class  SoMPEGNavRenderer : public SoMPEGRenderer {
 
 public:
 
  SoMPEGNavRenderer(SoNode *node);
 
  virtual ~SoMPEGNavRenderer();
 
  virtual void setSceneGraph(SoNode *node);
 
  virtual void record();
 
  virtual void stop();
 
  void adjustNumFramesPerSecond(SbBool flag);
 
  SbBool isAdjustedNumFramesPerSecond() const;
 
  void setCamera(SoCamera* camera);
 
  SoCamera *getCamera();
 
  /*----------------------------------------------------------------------------*/
 
 private:
  SbPList *getHistory ();
  
  struct CamPosition {
    SbVec3f position;
    SbRotation orientation;
    float nearDistance;
    float farDistance;
    unsigned long time;
  };
  
  static void cameraChangedCB(void *render, SoSensor *s);
  
  void searchCameraAndHeadlight();
  
 private:
 
  SoCamera *m_Camera;
  SoDirectionalLight *m_Light;
  SoRotation *m_LightRotation;
  SoFieldSensor *m_Sensor;
  SbBool m_AdjustFrameRate;
  SbPList *m_CamHistory;
 
  SoRef<SoOffscreenRenderArea> m_osRenderArea;
};/*----------------------------------------------------------------------------*/
 
#endif /* _SO_MPEGNAVRENDERER_ */