DtOsgEarthEffectTextureInstaller.h

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/******************************************************************************
** Copyright (c) 2020 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once
#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtOsgEarthFeatureDataBroker.h>
#include <osg/NodeCallback>
#include <vrvUtil/DtVirtualBaseClass.h>

namespace makVrv
{
   class DtOsgEffectTextureVisitor;

   class DT_DLL_VRVOSG DtOsgEarthEffectTextureInstaller : public DtOsgEarthFeatureDataBroker::Callback
   {
   protected:
      // Constructor
      DtOsgEarthEffectTextureInstaller(DtDe& de);

      friend class DtOsgEarthEffectTextureInstallerCreator;

      virtual ~DtOsgEarthEffectTextureInstaller();

   private:
      DtOsgEarthEffectTextureInstaller(const DtOsgEarthEffectTextureInstaller &other);
      DtOsgEarthEffectTextureInstaller &operator=(const DtOsgEarthEffectTextureInstaller &other);

   public: // DtOsgEarthFeatureDataBroker::Callback interface

      // Invoked by the broker when the layer is first loaded.
      virtual void onLayerLoaded(const osgEarth::MapNode* mapNode,
         osgEarth::Layer* layer);

      virtual void onDataPreMerge(const osgEarth::Map* map, const osgEarth::Layer* layer,
         osg::Node* newNode);

      // Invoked by the broker when new data arrives.
      virtual void onDataLoaded(const osgEarth::Map* map, const osgEarth::Layer* layer,
         const osg::Node* newNode);

      virtual float callbackOrder();

      virtual const std::string& instanceClassName() const;

   public:
      static const std::string& className(); 

   protected:
      static const std::string theClassName;

   protected:
      DtDe& myDe;
   };

   class DT_DLL_VRVOSG DtOsgEarthEffectTextureInstallerCreator : public DtVirtualBaseClass
   {

   public:
      static DtOsgEarthEffectTextureInstallerCreator& instance(DtDe& de);

      static void registerInstance(DtDe& de,
         DtOsgEarthEffectTextureInstallerCreator* instance);

      virtual DtOsgEarthEffectTextureInstaller* create(DtDe& de);
   };   

}