#include <stdio.h>

class obj_t
{
public:
           obj_t();
           obj_t(int, int);
   double  (*hits)(void);
   void    (*uninorm)(void);
   void    dump(FILE *);

/* Optional plugins for retrieval of reflectivity */
/* useful for the ever-popular tiled floor        */

   void    (*getamb)(void);
   void    (*getdiff)(void);
   void    (*getspec)(void);

private:
   int     objid;
   int     objtype;

   double  ambient[3];    /* Reflectivity for materials  */
   double  diffuse[3];
   double  specular[3];

   double  emissivity[3]; /* For lights                  */

   void    *priv;        /* Private type-dependent data */
   double  hitloc[3];    /* Last hit point              */
   double  normal[3];    /* Normal at hit point         */
};


obj_t::obj_t(
int otype,
int oid)
{
   objid = oid;
   objtype = otype;
}

void obj_t::dump(FILE *out)
{
   fprintf(out, "Type = %d and ID = %d \n",
                 objtype, objid);

}
#if 1
class sphere_t: public obj_t
{
public:
           sphere_t();
           sphere_t(int, int);
   double  center[3];
   double  radius;
}  sphere_t;
#endif

sphere_t::sphere_t()
{
}

sphere_t::sphere_t(int a, int b)
{
}

main()
{}