#ifndef _VisibilityDummyPreprocessingManager_H__
#define _VisibilityDummyPreprocessingManager_H__


#include "PreprocessingManager.h"


namespace GtpVisibility {

/**
	Implements a dummy interface to the external visibility preprocessing.
*/
class DummyPreprocessingManager : public PreprocessingManager
{
public:

	/** Constructor taking a scene traverser for a specific type of
	hierarchyInterface as argument. 
	*/
	DummyPreprocessingManager(HierarchyInterface *hierarchyInterface);

	/** 
	Export the scene for visibility preprocessing. Exports the hierarchyInterface including
	its bounding boxes + mesh data for occluders. The viewcell data will either be
	supplied directly to the visibility preprocessing standalone module
	*/
	virtual bool ExportScene(const std::string &filename);

	/** 
	Load preprocessed visibility information
	*/
	virtual bool LoadPreprocessedData(const std::string &filename);


protected:

	/** 
	Find viewcells intersecting a spherical neighborhood of a point.
	Returns false if no viewcell was found.
	*/
	/*virtual bool LocateViewCellIds(const Vector3 &center,
	const float radius,
	vector<int> *viewCellIds
	);
	*/

	/**
	Add a PVS of the given viewcell to the already evaluated PVS by computing
	a union with visibleNodes and visibleMeshes. Returns the number of added entries.
	*/
	//virtual int AddViewCellPVS(const int cellID,
	//						 NodeInfoContainer *visibleNodes,
	//						 MeshInfoContainer *visibleMeshes);

};

};

#endif // VisibilityPreprocessingManager