#ifndef ADVXMLLOADER_H
#define ADVXMLLOADER_H

#include <wb3Loader.hpp>
#include <AdvXMLParser.h>
#include <wb3Scene.hpp>

class wb3RayTracer;
class wb3Scene;
class wb3TracingShader;

using namespace AdvXMLParser;
using namespace std;

typedef map<String,wb3Material*> wb3MaterialLookup;

class wb3AdvXMLLoader : public wb3Loader
{
public:
  wb3AdvXMLLoader() { m_bCopyInfile = false; }
  wb3RayTracer *Load(const char *filename);
  void BuildScene(const Element& elem, wb3ArtifactSet *currAggregate = 0);
  void BuildSceneItem(const Element& elem);
  void BuildViewOpts(const Element& elem);
  void BuildRenderOpts(const Element& elem);
  void BuildSurface(const Element& elem);
  void BuildLight(const Element& elem);
  void BuildObjectItem(const Element& elem, wb3ArtifactSet* parent);
  void BuildTransforms(const Element& elem, wb3Artifact* arty);
  void BuildTextures(const Element& elem, wb3Artifact* arty);
  wb3Texture* BuildImageTexture(const Element& elem, wb3Artifact *pObj);
  wb3Artifact* BuildPrimitive(const Element& elem);
  wb3Artifact* BuildInstance(const Element& elem, 
                             bool doTransformsAndTextures = true);



  // Exception classes
  class ParseError {}; // == Bad* (everything else)
  class BadLight
    : public ParseError {};
  class BadVector
    : public ParseError {};
  class BadColor
    : public ParseError {};
  class UnimplementedFeature {};
  class FileProblems {}; // all file system difficulties
  class FileNotWriteable
    : public FileProblems {};

protected:
  wb3Scene *m_pScene;
  wb3RayTracer *m_pTracer;
  wb3TracingShader *m_pShader;
  wb3MaterialLookup m_MaterialMap;
  wb3Material *m_pLastMaterial;
  bool m_bCopyInfile;
  const char *inputFile;
};



#endif