DtStreamingSpeedTreeFeatureCallback.h

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


#pragma once
#include <vrvSt/vrvSt.h>

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


namespace makVrv
{
   class DtOsgTerrainPatchObject;

   class DT_DLL_VRVST DtStreamingSpeedTreeFeatureCallback
      : public DtOsgEarthFeatureDataBroker::Callback
   {
      friend class DtStreamingSpeedTreeFeatureCallbackCreator;
   protected:
      DtStreamingSpeedTreeFeatureCallback(DtOsgTerrainPatchObject& patch,
         DtStreamingSpeedTreeForestManager& myForestManager);
   public:
      // callbacks
      virtual void onLayerLoaded(const osgEarth::MapNode* mapNode,
         const osgEarth::ModelLayer* layer);

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

      virtual void onDataLoaded(const osgEarth::Map* map, const osgEarth::ModelLayer* layer,
         const osg::Node* data);
   public:
      static const char* className();

   protected:
      static const char* myClassName;

   protected:
      DtStreamingSpeedTreeForestManager& myForestManager;
      DtOsgTerrainPatchObject & myPatch;

   };

   class DT_DLL_VRVST DtStreamingSpeedTreeFeatureCallbackCreator : public DtVirtualBaseClass
   {

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

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

      virtual DtStreamingSpeedTreeFeatureCallback* create(DtOsgTerrainPatchObject& patch,
         DtStreamingSpeedTreeForestManager& forestManager);
   };

}