DtSkyObjectManager.h

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/******************************************************************************
** Copyright (c) 2023 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

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

#include <vrvMath/DtVector3.h>
#include <vrvMath/DtVector4.h>

#include <string>

namespace osg
{
   class Camera;
}

namespace makVrv
{
   class DtDe;
   class DtOsgSkyObject;

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

      virtual DtOsgSkyObject* findSkyObject();

      virtual void registerSkyObject(DtOsgSkyObject* obj);

   public:
      virtual Vector4_32 ambientColor(const osg::Camera* osgCamera) const;

      virtual Vector4_32 diffuseColor(const osg::Camera* osgCamera) const;

      virtual Vector3_32 lightPosition(const osg::Camera* osgCamera) const;

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

      static const std::string& theClassName();

      boost::signalslib::signal<void( DtOsgSkyObject* )> signal_skyObjectAdded;
      boost::signalslib::signal<void( DtOsgSkyObject* )> signal_skyObjectToBeRemoved;

   protected:
      DtSkyObjectManager();

      DtOsgSkyObject* mySkyObject = nullptr;
   };
}