#ifndef __INTERSECTABLE_H
#define __INTERSECTABLE_H

#include "AxisAlignedBox3.h"
#include "Pvs.h"


class Intersectable {
public:
  static int mailID;
  int mailbox;

  KdPvs mKdPvs;
  
  enum { MESH_INSTANCE, TRANSFORMED_MESH_INSTANCE, SPHERE };
  
  Intersectable():mailbox(0) {}
  
  void Mail() { mailbox = mailID; }
  static void NewMail() { mailID++; }
  bool Mailed() const { return mailbox == mailID; }
  
  virtual AxisAlignedBox3 GetBox() = 0;
  
  virtual int CastRay(Ray &ray) = 0;
  
  virtual bool IsConvex() = 0;
  virtual bool IsWatertight() = 0;
  virtual float IntersectionComplexity() = 0;
  
  virtual int Type() const = 0;

  virtual void GetRandomSurfacePoint(Vector3 &point, Vector3 &normal) = 0;

};


#endif