DtTritonHeightMapSuperManager.h

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/******************************************************************************
** Copyright (c) 2019 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvTriton/vrvTriton.h>

#include <vrvUtil/DtVirtualBaseClass.h>

#include <osg/Camera>
#include <osg/observer_ptr>

#include <map>

namespace osg
{
   class RenderInfo;
}

namespace makVrv
{
   class DtTritonHeightMapManager;
   class DtTritonDrawable;
   class DtDe;

   class DT_DLL_VRVTRITON DtTritonHeightMapSuperManager
   {
   protected:
      typedef std::map< osg::observer_ptr<osg::Camera>, DtTritonHeightMapManager* > MapCamerasToHeightMapManagers;

   public:
      virtual ~DtTritonHeightMapSuperManager();
   protected:
      friend class DtTritonHeightMapSuperManagerCreator;
      DtTritonHeightMapSuperManager(DtTritonDrawable* tritonDrawable, DtDe& de);

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

   public:
      virtual void setHeightMapResolution(float metersPerTexel);
      virtual float heightMapResolution(void) const;
      virtual void deleteAllHeightMapManagers(void);
      virtual int numHeightMapManagers(void) const;
      virtual bool flushInvalidCameras(void);
      DtTritonHeightMapManager* getOrCreateHeightMapManager(osg::RenderInfo& renderInfo);

   protected:
      MapCamerasToHeightMapManagers myHeightMapManagerMap;

      float myHeightMapResolution;

      DtTritonDrawable *myTritonDrawable;
      DtDe& myDe;
   };

   class DT_DLL_VRVTRITON DtTritonHeightMapSuperManagerCreator : public DtVirtualBaseClass
   {
   protected:
      DtTritonHeightMapSuperManagerCreator();

      virtual ~DtTritonHeightMapSuperManagerCreator();

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

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

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

   public:
      virtual DtTritonHeightMapSuperManager* create(DtTritonDrawable* parentDrawable, DtDe& de);
   };
}