SoIntersectionDetectionAction.h

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#ifndef COIN_SOINTERSECTIONDETECTIONACTION_H
#define COIN_SOINTERSECTIONDETECTIONACTION_H

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#include <Inventor/tools/SbPimplPtr.h>
#include <Inventor/actions/SoSubAction.h>
#include <Inventor/actions/SoAction.h>
#include <Inventor/actions/SoCallbackAction.h>

struct SoIntersectingPrimitive {
  SoPath * path;
  enum PrimitiveType {
    SEGMENT = 2,
    LINE_SEGMENT = 2,
    TRIANGLE = 3
  } type;
  SbVec3f vertex[3];
  SbVec3f xf_vertex[3];
};

class COIN_DLL_API SoIntersectionDetectionAction : public SoAction {
  typedef SoAction hinherited;
  SO_ACTION_HEADER(SoIntersectionDetectionAction);
public:
  static void initClass(void);
  SoIntersectionDetectionAction(void);
  virtual ~SoIntersectionDetectionAction(void);

  enum Resp {
    NEXT_PRIMITIVE,
    NEXT_SHAPE,
    ABORT
  };

  typedef SoCallbackAction::Response SoIntersectionVisitationCB(void * closure, const SoPath * where);
  typedef SbBool SoIntersectionFilterCB(void * closure, const SoPath * p1, const SoPath * p2);
  typedef Resp SoIntersectionCB(void * closure, const SoIntersectingPrimitive * p1, const SoIntersectingPrimitive * p2);

  void setIntersectionDetectionEpsilon(float epsilon);
  float getIntersectionDetectionEpsilon(void) const;

  static void setIntersectionEpsilon(float epsilon);
  static float getIntersectionEpsilon(void);

  void setTypeEnabled(SoType type, SbBool enable);
  SbBool isTypeEnabled(SoType type, SbBool checkgroups = FALSE) const;

  void setManipsEnabled(SbBool enable);
  SbBool isManipsEnabled(void) const;

  void setDraggersEnabled(SbBool enable);
  SbBool isDraggersEnabled(void) const;

  void setShapeInternalsEnabled(SbBool enable);
  SbBool isShapeInternalsEnabled(void) const;

  void addVisitationCallback(SoType type, SoIntersectionVisitationCB * cb, void * closure);
  void removeVisitationCallback(SoType type, SoIntersectionVisitationCB * cb, void * closure);

  virtual void apply(SoNode * node);
  virtual void apply(SoPath * path);
  virtual void apply(const SoPathList & paths, SbBool obeysRules = FALSE);

  virtual void setFilterCallback(SoIntersectionFilterCB * cb, void * closure = NULL);
  virtual void addIntersectionCallback(SoIntersectionCB * cb, void * closure  = NULL);
  virtual void removeIntersectionCallback(SoIntersectionCB * cb, void * closure  = NULL);

private:
  class PImpl;
  SbPimplPtr<PImpl> pimpl;

  SoIntersectionDetectionAction(const SoIntersectionDetectionAction & rhs); // N/A
  SoIntersectionDetectionAction & operator = (const SoIntersectionDetectionAction & rhs); // N/A

};

#endif // !COIN_SOINTERSECTIONDETECTIONACTION_H