osgEarthVegetationLayerSourceTracker.h

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/*******************************************************************************
** Copyright (c) 2024 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/


#pragma once

#include <vantageTerrainImplementation/osgEarthBaseGroundCoverSourceTracker.h>
#include <vantageTerrainImplementation/osgEarthTerrainSourceTracker.h>
#include <vantageTerrainImplementation/tileSpatialIndex.h>
#include <vantageTerrainImplementation/osgEarthCommands.h>

#include <osgEarth/Profile>
#include <geometry/chord.h>

#include <boost/ptr_container/ptr_vector.hpp>

class DtPageInTilesCommand;
class DtPageOutTilesCommand;
class DtVantageTerrainEngine;

class DT_DLL_vantageTerrainImplementation DtOsgEarthVegetationLayerSourceTracker : public DtOsgEarthBaseGroundCoverSourceTracker
{
public:

   DtOsgEarthVegetationLayerSourceTracker(
      DtVantageTerrainEngine*, DtPagerCommandQueue* commandQueue,
      osgEarth::MapNode* mapNode);

   virtual ~DtOsgEarthVegetationLayerSourceTracker() override;

   virtual DtTerrainCategoryMask terrainCategories() const override;

   virtual bool init(DtTerrainSourcePager&) override;

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

   virtual void pageOutOldestData(const int priority) override;

   virtual void getProceduralTreeTile(DtDebugDrawTerrainOutputInterface::terrainLineList& nodeBoundingList) override;

   virtual std::vector<IndexConfig<DtOsgEarthVegetationLayerSourceTracker>> getIndexConfigInfoForLayer(
      const osgEarth::Procedural::VegetationLayer& layer) const;

   virtual void readIndex(
      IndexInputInterface&,
      unsigned layerNumber,
      const IndexConfig<DtOsgEarthVegetationLayerSourceTracker>& idxConfig);

   //virtual bool readIndexLayers(osgEarth::ElevationLayerVector& flattenedElevationLayers);
   virtual bool readIndexLayers();


protected:

   virtual DtVegetationLayerPageInTilesCommand* createVegetationLayerPageInTilesCommand(DtPagingMetaDataPtr metaData);

   virtual DtVegetationLayerPageOutTilesCommand* createVegetationLayerPageOutTilesCommand(DtPagingMetaDataPtr metaData);

   std::vector<osg::ref_ptr<osgEarth::Procedural::VegetationLayer> > myVegetationLayers;
};