DtCubeModelInstance.h

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


#pragma once

#include <vrvOsg/DtOsgModelInstance.h>

#include <vrvCore/DtTemplatedModelInstanceCreator.h>

#include <osg/Geode>
#include <osg/MatrixTransform>
#include <osg/Drawable>
#include <osg/Material>

namespace makVrv
{
   class DtCubeModelInstance;

   typedef DtTemplatedModelInstanceCreator<DtCubeModelInstance> DtCubeModelInstanceCreator;

   template <>
   inline const char* modelInstanceClassName<DtCubeModelInstance>(void) { return "DtCubeModelInstance"; }

   template <>
   inline const char* modelInstanceObjectClass<DtCubeModelInstance>(void) { return "DtModel"; }

   class DT_DLL_VRVOSG DtCubeModelInstance : public DtOsgModelInstance
   {
   public:

      DtCubeModelInstance(DtDe& de);

      virtual ~DtCubeModelInstance();

   private:

      DtCubeModelInstance();

      DtCubeModelInstance(const DtCubeModelInstance&);

      DtCubeModelInstance &operator=(const DtCubeModelInstance&);

   public:

      virtual void setDimensions(float x, float y, float z);

      void dimensions( float& length, float& width, float& height );

      virtual void setColor(float r,float g,float b,float a);

      const osg::Vec4& color() const;

      virtual void setLightingEnabled( bool enabled );

      virtual bool realize(const DtModelDefinition& definition);
      
      virtual void setVisible(bool isVisible) {}

      virtual void setContributesToBound(bool trueOrFalse);

   protected:

      virtual void updateColors();

      virtual void updateTransform();

      void createBlendedGeodes();

      void createOpaqueGeode();
      
      void createSingleSidedBlendedGeode();

   protected:

      float myLength; // x dimension
      float myWidth; // y dimension
      float myHeight;
      osg::Vec4 myColor;

      osg::ref_ptr<osg::Drawable> myCubeDrawable;
      osg::ref_ptr<osg::Geode> myGeode;
      osg::ref_ptr<osg::Geode> myBlendedGeode;
      osg::ref_ptr<osg::Geode> myFrontGeode;
      osg::ref_ptr<osg::Geode> myBackGeode;
      osg::ref_ptr<osg::MatrixTransform> myTransform;
      osg::ref_ptr<osg::Material> myMaterial;

      bool mySingleSided;
   };
}