source: trunk/VUT/GtpVisibilityPreprocessor/src/VssPreprocessor.h @ 372

#ifndef _VssPreprocessor_H__
#define _VssPreprocessor_H__

#include <fstream>
using namespace std;

#include "Preprocessor.h"


/** Sampling based visibility preprocessing. The implementation is based on heuristical
    sampling of view space */
class VssPreprocessor : public Preprocessor {
public:
        int mPass;

  int mSamplesPerPass;
  int mTotalSamples;
  int mKdPvsDepth;
  ofstream mStats;
  ObjectContainer mObjects;
  RayContainer mSampleRays;
        
  VssPreprocessor();

  ~VssPreprocessor();

  virtual bool ComputeVisibility();

  void
  SetupRay(Ray &ray, 
                   const Vector3 &point, 
                   const Vector3 &direction,
                   const int type);

  KdNode *
  GetNodeForPvs(KdLeaf *leaf);

        int
        AddNodeSamples(const Ray &ray,
                                                                 Intersectable *sObject,
                                                                 Intersectable *tObject
                                                                 );

        int
        CastRay(Intersectable *object,
                                        Ray &ray);
        
        KdNode *
        GetNodeToSample(Intersectable *object);

};



#endif