DtTritonCameraManager.h

Go to the documentation of this file.

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


#pragma once

#include <vrvTriton/vrvTriton.h>

#include <vrvCore/DtVirtualBaseClassCreator.h>

#include <osg/Camera>

#include <matrix/vlVector.h>

#include <tbb/atomic.h>

#include <map>

namespace Triton
{
   class Camera;
}

namespace osg
{
   class RenderInfo;
}

namespace makVrv
{
   class DtDe;
   class DtTritonDrawable;

   class DtTritonCameraManager;

   typedef DtVirtualBaseClassCreator<DtTritonCameraManager, DtTritonDrawable*> DtTritonCameraManagerCreator;

   template <>
   inline const char* creatorTypeName<DtTritonCameraManager>(void) { return "DtTritonCameraManagerCreator"; }

   class DT_DLL_VRVTRITON DtTritonCameraManager
   {

   protected:
      typedef std::map< osg::observer_ptr<const osg::Camera>, Triton::Camera* > MapOsgCamerasToTritonCameras;

   public:
      virtual ~DtTritonCameraManager();

   protected:

      friend DtTritonCameraManagerCreator;

      DtTritonCameraManager(DtDe& de, DtTritonDrawable* tritonDrawable);

   private:

      DtTritonCameraManager();

      DtTritonCameraManager(const DtTritonCameraManager &);

      DtTritonCameraManager &operator=(const DtTritonCameraManager &);

   public:

      virtual Triton::Camera* getOrCreateTritonCamera(const osg::RenderInfo& renderInfo);

      virtual Triton::Camera* getOrCreateTritonCamera(const osg::Camera* osgCamera);

      virtual void flushInvalidTritonCameras(void);

      virtual const Triton::Camera* closetCameraTo(const DtVector& position) const;

   protected:

      MapOsgCamerasToTritonCameras myMapOsgCamerasToTritonCameras;

      DtTritonDrawable *myTritonDrawable;
      DtDe& myDe;

      //only used to create unique names for the cameras
      unsigned int myNextCameraId;
   };
}