DtInstancedLightPointUpdate.h

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/******************************************************************************
** Copyright (c) 2017 MAK Technologies, Inc.
** All rights reserved.
******************************************************************************/


#pragma once

#include <vrvOsg/vrvOsg.h>
#include <vrvOsg/DtVirtualProgramDepthOnlyCallback.h>

#include <osg/Geometry>
#include <osg/BlendFunc>

#include <osgSim/LightPoint>
#include <osgSim/LightPointNode>
#include <osg/Depth>

namespace makVrv
{
   
   class DT_DLL_VRVOSG DtInstancedLightPointUpdate : public osg::Referenced
   {
   public:
      DtInstancedLightPointUpdate( osgSim::LightPoint lp, osg::ref_ptr<osgSim::LightPointNode> lpn, osg::Geometry *geom, DtDe& de);
      
      bool isShadowCamera(osg::RenderInfo& renderInfo) const;

      virtual bool isSmallFeature(const osg::Matrixf& drawableMatrix, osg::ref_ptr<osg::Camera> camera,
         float lightMinPixelSize);
      
      virtual bool processSector(const osg::Matrixd& drawableMatrix);

      virtual bool update(double frameTime, osg::Drawable* drw, double lastShaderReload);

      virtual void setDaylightControlled(bool b);

      virtual bool daylightControlled();

      virtual osgSim::LightPointNode* const lightPointNode() const;

   private:
      osg::ref_ptr<osgSim::LightPointNode> myLightPointNode;
      osgSim::LightPoint myLightPoint;
      double myLastSimTime;
      bool myDaylightControlled;

      osg::ref_ptr<osg::DrawElementsUInt> myGeomPrimitiveSet;
      osg::ref_ptr<osg::Vec3Array> myGeomVertexArray;
      osg::ref_ptr<osg::Vec4Array> myGeomColorArray;
      osg::ref_ptr<osg::BlendFunc> myGeomBlendFunc;

      osg::ref_ptr<osg::Uniform> myLightPointSizeUniform;

      osg::ref_ptr<DtVirtualProgramDepthOnlyCallback> myDepthOnlyCallback;

      bool myIsVisible;
      DtDe& myDe;

      double myLastShaderReload;

      osg::ref_ptr<osg::Depth> myDepth;
   };
}