pagedNode2TerrainSourceTracker.h

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/*******************************************************************************
** Copyright (c) 2022 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
#pragma once



#include <vantageTerrainImplementation/boundingVolumeTerrainSourceTracker.h>
#include <vantageTerrainImplementation/vantageTerrainImplementationDefines.h>
#include <vantageTerrainImplementation/vantageTerrainImplementationUtil.h>
#include <vantageTerrainImplementation/vantageTerrainConsoleCommands.h>


class DT_DLL_vantageTerrainImplementation DtPagedNode2TerrainSourceTracker 
   : public DtBoundingVolumeTerrainSourceTracker
{
public:

   DtPagedNode2TerrainSourceTracker(DtVantageTerrainEngine*, DtPagerCommandQueue* commandQueue);

   virtual ~DtPagedNode2TerrainSourceTracker();
   
   virtual bool dataAvailable(DtPagingMetaDataPtr metaData, 
      DtTerrainPagingGeometryPtr geometry);

   virtual void pageInData(DtPagingMetaDataPtr metaData, DtTerrainPagingGeometryPtr geometry);

   //Should return true if the tracker is capable of paging out data.
   virtual bool canPageOutData(DtTerrainIntersectIDType intersectId);

   virtual DtTerrainIntersectIDType findOldestPagedData(unsigned int& numTrianglesOut);

   virtual void pageOutOldestData(const int priority);

   virtual void addPageInData(DtNodeBoundingExtendedInfoMap::const_iterator pagedNode2ExtendedInfo);

   virtual unsigned int removePageInData(DtNodeId node);

   void getNodesMappingList(DrawableList& currentLoadNode);

   typedef boost::unordered_multimap<size_t, boost::shared_ptr<btCollisionObject> > DtDrawableIdToCollObjMMap;

   void removeEmptyPagedOutInfo(DtTerrainPagingGeometryPtr geometry);

protected:

   DtNodeBoundingExtendedInfoMap myPagedNode2ToDrawableMap;
   mutable tbb::spin_rw_mutex myPagedNode2ToDrawableMapMutex;

   DtDrawableIdToCollObjMMap myDrawableIdToCollObjMMap;

};