DtIndirectGeometryLayerManager.h

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/******************************************************************************
** Copyright (c) 2018 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsgEarth/vrvOsgEarth.h>

#include <vrvOsg/DtIndirectGeometryRegistrar.h>
#include <vrvOsg/DtCellToIndirectGeoMap.h>
#include <vrvOsg/DtOsgThreadingUtils.h>

#include <vrvIndirectRendering/DtModelInfo.h>

#include <osg/Matrixd>

#include <boost/unordered_map.hpp>
#include <tbb/concurrent_unordered_map.h>

namespace osg
{
   class Node;
}
namespace osgEarth
{
   namespace Features
   {
      class CustomFeatureNode;
   }
}

namespace makVrv
{
   class DtIndirectGeometryRegistrar;
   class DtIndirectGeometry;

   class DT_DLL_VRVOSGEARTH DtIndirectGeometryLayerManager
   {
   public:
      DtIndirectGeometryLayerManager(DtDe& de);

      virtual ~DtIndirectGeometryLayerManager();

      virtual void onDataPremerge(osg::Node* newData);
      
      virtual void onDataLoaded(const osg::Node* newData);

      virtual void onDataUnloaded(const osg::Node* oldData);
   protected:
      virtual void processNewFeature(const osgEarth::Features::CustomFeatureNode* pFeatureNode, const osg::Node* data);

      virtual bool getModelNode(const std::string& modelName, osg::Node*& modelNode, int & modelId);

      virtual void registerModelWithRegistrar(const osg::Node* modelNode, const std::string& modelName, const DtModelInfo& modelInfo);
   protected:
      DtIndirectTextureCollectionPolicy* myTextureCollectionPolicy;
      DtIndirectGeometryRegistrar* myIndirectGeometryRegistrar;

      DtCellToIndirectGeoMap myCellToIndirectGeoMap;

      typedef boost::unordered_map<std::string, osg::ref_ptr< osg::Node > > MapMarkerNameToModelNode;
      MapMarkerNameToModelNode myMapMarkerNameToModelNode;
      Threading::Mutex myMapMarkerNameToModelNodeMutex;

      typedef tbb::concurrent_unordered_map<std::string, DtModelInfo> ModelsToModelInfo;
      ModelsToModelInfo myModelsToModelInfo;
      tbb::atomic<int> myNextModelId;

      DtDe& myDe;
   private:
      DtIndirectGeometryLayerManager();
   };
}