DtTerrainPatchObjectManager.h

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


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvUtil/DtVirtualBaseClass.h>

#include <set>
#include <string>
#include <osg/Group>
#include <osg/Node>
#include <vrvCore/DtDynamicTerrainWorld.h>

namespace makVrv
{
   class DtDe;
   class DtOsgTerrainPatchObject;
   class DtOsgLightPointManager;

   class DT_DLL_VRVOSG DtTerrainPatchObjectManager : public DtVirtualBaseClass
   {
   public:
      virtual ~DtTerrainPatchObjectManager();

      typedef std::set<DtOsgTerrainPatchObject*> TerrainPatchObjectSet;

      virtual const TerrainPatchObjectSet& findTerrainPatchObjects() const;

      virtual TerrainPatchObjectSet& findTerrainPatchObjects();

      virtual void registerTerrainPatchObject(DtOsgTerrainPatchObject* obj);

      virtual void unregisterTerrainPatchObject(DtOsgTerrainPatchObject* obj);

      virtual void cleanupPagedDynamicFeatures();

      static DtTerrainPatchObjectManager& instance(DtDe& de);

      static std::string theClassName(); 

      virtual void slot_childPagedIn(const osg::Group* page, const osg::Node* child);

      virtual void slot_childAboutToPageOut(const osg::Group* page, const osg::Node* child);

   protected:
      DtTerrainPatchObjectManager(DtDe &de);

      TerrainPatchObjectSet myTerrainPatchObjects;

      typedef std::map<osg::ref_ptr<const osg::Node>, DtDynamicTerrainWorld::FeatureHandle> NodeFeatureMap;
      NodeFeatureMap myPagedDynamicFeatures;

      DtDe &myDe;

      DtOsgLightPointManager& myLightPointManger;

   };
}