SoCullElement.h

#ifndef COIN_SOCULLELEMENT_H
#define COIN_SOCULLELEMENT_H

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#include <Inventor/elements/SoSubElement.h>
#include <Inventor/SbPlane.h>

class SbBox3f;
class SbViewVolume;

class COIN_DLL_API SoCullElement : public SoElement {
  typedef SoElement inherited;

  SO_ELEMENT_HEADER(SoCullElement);
public:
  static void initClass(void);
protected:
  virtual ~SoCullElement();

public:

  virtual void init(SoState * state);
  virtual void push(SoState * state);
  
  static void setViewVolume(SoState * state, const SbViewVolume & vv);
  static void addPlane(SoState * state, const SbPlane & newplane);
  static SbBool cullBox(SoState * state, const SbBox3f & box, const SbBool transform = TRUE);
  static SbBool cullTest(SoState * state, const SbBox3f & box, const SbBool transform = TRUE);
  static SbBool completelyInside(SoState * state);

  virtual SbBool matches(const SoElement * elt) const;
  virtual SoElement * copyMatchInfo(void) const;

private:

  enum { MAXPLANES = 32 };

  static SbBool docull(SoState * state, const SbBox3f & box, const SbBool transform,
                       const SbBool updateelem);

  SbPlane plane[MAXPLANES];
  int numplanes;
  unsigned int flags;
  int vvindex;
};

#endif // !COIN_SOCULLELEMENT_H