ReflectionCamera.h

#pragma once
#include "Scene.h"
#include <osg/FrameBufferObject>
#include <osg/TextureCubeMap>

namespace osgCloudyDay
{
        class ViewerLightCallbackTest : public osg::NodeCallback
        {
        public:
                ViewerLightCallbackTest(void)
                {

                }

                virtual void operator()(osg::Node* node, osg::NodeVisitor* nv)
                {
                        osgUtil::CullVisitor* cv = dynamic_cast<osgUtil::CullVisitor*>(nv);        
                        osg::ref_ptr<osg::Geode> geometry = dynamic_cast<osg::Geode*> (node);

                        if(geometry && cv)
                        {
                                osg::Matrixd view(cv->getCurrentCamera()->getViewMatrix());
                                osg::Matrixd invViewMatrix = osg::Matrixd::inverse(view);
                                osg::Matrixd model(*cv->getModelViewMatrix());
                                model = model*invViewMatrix;
                                osg::Matrixd proj(cv->getCurrentCamera()->getProjectionMatrix());
                
                                geometry->getOrCreateStateSet()->getUniform("ModelMatrix")->set(model);
                                geometry->getOrCreateStateSet()->getUniform("ViewMatrix")->set(view);
                                geometry->getOrCreateStateSet()->getUniform("ProjectionMatrix")->set(proj);             

                                geometry->getOrCreateStateSet()->addUniform(new osg::Uniform("v3LightPos", osgCloudyDay::Scene::m_skydome->GetLightPosition()));
                                osgCloudyDay::Scene::m_skydome->SetupUniform(geometry.get()->getOrCreateStateSet());                    
                                geometry->getOrCreateStateSet()->addUniform(new osg::Uniform("color_tex", 0));                                  

        #ifdef SHADOW_MAPPING
                                geometry->getOrCreateStateSet()->getUniform("light_proj_matrix")->set(osgCloudyDay::Scene::GetProjectionMatrix_Light());
                                geometry->getOrCreateStateSet()->getUniform("light_mv_matrix")->set(osgCloudyDay::Scene::GetLightCamera()->getViewMatrix());
        #endif
                        }
                        traverse(node, nv);
                }
        };


        class ReflectionCamera
        {
        public:
                ReflectionCamera(void);
                ~ReflectionCamera(void);

                void Initialize();
                void AddObject(osg::ref_ptr<osg::Geode> geo);
                
                osg::ref_ptr<osg::TextureCubeMap> fbo_plane_cube;
                osg::ref_ptr<osg::TextureCubeMap> fbo_plane_cube_depth;

                osg::Camera**& GetCamera();

        protected:
                osg::Camera** camera_plane_cubemap;     
        };
}