//----------------------------------------------------------------------------
// William Baxter III's Ray Tracer
//
//     Project for Comp 238, Raster Graphics
//     University of North Carolina at Chapel Hill
//     
// $Id:$
//----------------------------------------------------------------------------

#ifndef WB3ARTIFACTSET_H
#define WB3ARTIFACTSET_H

#include "wb3TArray.h"
#include "wb3Artifact.hpp"


typedef wb3TArray<wb3Artifact*> wb3ArtifactArray;

class wb3ArtifactSet : public wb3Artifact
{
public:
  wb3ArtifactSet();
  ~wb3ArtifactSet();

  void AddArtifact(wb3Artifact *obj);

  virtual const wb3Artifact* Intersect(const Ray3f& r, float *idist,
                                       const wb3Artifact* ignore = 0) const;
  virtual void GetNormal(const Ray3f& r, 
                         const Vec3f &isect, 
                         Vec3f& normal) const;

protected:
  wb3ArtifactArray m_Artifacts;
};

//----------------------------------------------------------------------------
inline wb3ArtifactSet::wb3ArtifactSet()
{
}
//----------------------------------------------------------------------------
inline wb3ArtifactSet::~wb3ArtifactSet()
{
}
//----------------------------------------------------------------------------
inline void wb3ArtifactSet::AddArtifact(wb3Artifact *obj)
{
  m_Artifacts.Add(obj);
}
//----------------------------------------------------------------------------
inline void wb3ArtifactSet::GetNormal(const Ray3f& r, 
                                      const Vec3f &isect, 
                                      Vec3f& normal) const
{
  // This should never be called because the set itself will never be the
  // object hit.
  normal.Set(0,0,0);
}

//----------------------------------------------------------------------------
#endif