source: GTP/trunk/App/Demos/Vis/FriendlyCulling/src/VisibilitySolutionLoader.h @ 3285

#ifndef _VISIBILITYSOLUTIONLOADER_H
#define _VISIBILITYSOLUTIONLOADER_H

#include "common.h"


namespace CHCDemoEngine
{

class ViewCellsTree;
struct ViewCell;
class Bvh;
class BvhNode;

typedef std::vector<ViewCell *> ViewCellsContainer;


/** Loads a preprocessed visibility solution.
*/
class VisibilitySolutionLoader
{
public:

        VisibilitySolutionLoader(): mNumNodes(0) {};

        ViewCellsTree *Load(const std::string &filename, 
                                Bvh *bvh,
                                                float &totalSamples,
                                                float &totalTime,
                                                float viewCellsScaleFactor = 1.0f);


protected:
        /** Creates list of bvh nodes where the index
                is equivalent to the id of this node in the bvh.
        */
        bool CreateIdSortedList(Bvh *bvh, BvhNodeContainer &nodes);

        bool CreateIdSortedList2(BvhNode *n, BvhNodeContainer &nodes);


        bool LoadPvs(FILE *fw, Bvh *bvh);

        void AllocateLeafViewCells(ViewCellsTree *viewCellsTree);


        ///////////////

        int mNumNodes;

        ViewCellsContainer mViewCells;
};

}

#endif