pagedNode2TerrainSourceTracker.h

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/*******************************************************************************
** Copyright (c) 2024 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() override;
   
   virtual bool dataAvailable(DtPagingMetaDataPtr metaData, 
      DtTerrainPagingGeometryPtr geometry) override;

   virtual DtTerrainCategoryMask terrainCategories() const override;

   virtual void pageInData(DtPagingMetaDataPtr metaData, DtTerrainPagingGeometryPtr geometry) override;

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

   virtual DtTerrainIntersectIDType findOldestPagedData(unsigned int& numTrianglesOut) override;

   virtual void pageOutOldestData(const int priority) override;

   virtual void addPageInData(DtNodeBoundingExtendedInfoMap::const_iterator pagedNode2ExtendedInfo);

   virtual unsigned int removePageInData(DtNodeId node);

   virtual void getNodesMappingList(DrawableList& currentLoadNode);

   void removeEmptyPagedOutInfo(DtTerrainPagingGeometryPtr geometry);

protected:

   DtNodeBoundingExtendedInfoMap myPagedNode2ToDrawableMap;
   mutable tbb::spin_rw_mutex myPagedNode2ToDrawableMapMutex;

   DrawableMap myDrawableIdToInfoMap;
};