DtOsgFogComponent.h

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/****************************************************************************** 
** Copyright (c) 2020 MAK Technologies, Inc. 
** All rights reserved. 
******************************************************************************/ 


#pragma once

#include <vrvOsg/DtOsgStateComponent.h>
#include <vrvUtil/DtVirtualBaseClass.h>
#include <osg/Uniform>

namespace osg
{
   class Fog;
   class StateSet;
}

namespace makVrv
{
   class DT_DLL_VRVOSG DtOsgFogComponent : public DtOsgStateComponent
   {
   public:

      DtOsgFogComponent(DtDe& de);

      virtual ~DtOsgFogComponent();

   private:

      DtOsgFogComponent(const DtOsgFogComponent &other);

      DtOsgFogComponent &operator=(const DtOsgFogComponent &other);

   public:

      virtual void init();

      virtual bool install(osg::StateSet* stateset);

      virtual bool uninstall(osg::StateSet* stateset);

      virtual bool installed(void) const;

      virtual void setColor(const osg::Vec4f& fogColor);

      virtual void setDensity(float fDensity);

      virtual void setHeightFogPlane(const osg::Vec4f& fogPlane);

      virtual void setHeightFogParams(const osg::Vec4f& fogParams);

      virtual void setHeightFogColor(const osg::Vec4f& color);

      virtual osg::Vec4f color(void) const;

      virtual float density(void) const;

      virtual osg::Vec4f heightFogPlane(void) const;

      virtual osg::Vec4f heightFogParams(void) const;

      virtual osg::Vec4f heightFogColor(void) const;

   protected:

      osg::ref_ptr<osg::Uniform> myFogColor;
      osg::ref_ptr<osg::Uniform> myFogDensity;
      osg::ref_ptr<osg::Uniform> myHeightFogPlane;
      osg::ref_ptr<osg::Uniform> myHeightFogParams;
      osg::ref_ptr<osg::Uniform> myHeightFogColor;

      bool myInstalled;
   };


   class DT_DLL_VRVOSG DtOsgFogComponentCreator : public DtVirtualBaseClass
   {
   public:
      DtOsgFogComponentCreator(DtDe &de);

      virtual ~DtOsgFogComponentCreator();

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

   public:
      virtual DtOsgFogComponent* create() const;

      static DtOsgFogComponentCreator& instance(DtDe& de);

      static const std::string& theClassName();

   protected:
      DtDe& myDe;
   };
}