CloudGeometry.h

#pragma once
#include "Scene.h"

#include <osg/Geometry>
#include <osg/State>
#include <osg/ArrayDispatchers>
#include <osg/PrimitiveSet>
#include <osg/Shader>
#include <osg/Program>

#include <osg/ClearNode>
#include <osgViewer/Viewer>
#include <osg/GL>
#include <osgUtil/RenderStage>
#include <osg/PolygonOffset>
#include <osg/BlendFunc>
#include <osg/BlendEquation>
#include <osg/Depth>

#include <iostream>
#include <algorithm>

#define SHADOW_MAPPING
namespace osgCloudyDay 
{
        class CloudGeometry : public osg::Geometry
        {
        public:
                CloudGeometry(  osg::ref_ptr<osg::Texture2D> _tex_clouds,
                                                osg::ref_ptr<osg::Texture2D> _fbo_light_texture,
                                                osg::ref_ptr<osg::Texture2D> _fbo_light_depth,
                                                osg::ref_ptr<osg::Texture2D> _fbo_blur_texture,
                                                osg::ref_ptr<osg::FrameBufferObject> _fbo_shadow,
                                                osg::ref_ptr<osg::FrameBufferObject> _fbo_vert_linear_blur,
                                                osg::ref_ptr<osg::FrameBufferObject> _fbo_hori_linear_blur,
                                                osg::ref_ptr<osg::FrameBufferObject> _fbo_hori_blur,
                                                osg::ref_ptr<osg::FrameBufferObject> _fbo_vert_blur,
                                                osg::ref_ptr<osg::FrameBufferObject> _fbo_cloud_viewer,
                                                osg::ref_ptr<osg::FrameBufferObject> _fbo_hori_blur2,
                                                osg::ref_ptr<osg::Program> viewer,
                                                osg::ref_ptr<osg::Program> light,
                                                osg::ref_ptr<osg::Program> blur_vert,
                                                osg::ref_ptr<osg::Program> blur_hori,
                                                osg::ref_ptr<osg::Program> blur_linear_vert,
                                                osg::ref_ptr<osg::Program> blur_linear_hori,
                                                osg::ref_ptr<osg::Program> shadow_map);
                ~CloudGeometry(void);

                void AddLayer(int type);
                void AddPrimitive(int type);
                void SetActiveLayer(int layer);
                void DeletePrimitives();

                osg::ref_ptr<osg::FrameBufferObject> fbo_cloud_viewer;

                osg::ref_ptr<osg::Program> sh_viewer;
                osg::ref_ptr<osg::Program> sh_light;
                osg::ref_ptr<osg::Program> sh_blur_vert;
                osg::ref_ptr<osg::Program> sh_blur_hori;
                osg::ref_ptr<osg::Program> sh_blur_linear_vert;
                osg::ref_ptr<osg::Program> sh_blur_linear_hori;
                osg::ref_ptr<osg::Program> sh_shadow_map;

                osg::ref_ptr<osg::Texture2D> tex_clouds;
                osg::ref_ptr<osg::Texture2D> fbo_light_texture;
                osg::ref_ptr<osg::Texture2D> fbo_light_depth;
                osg::ref_ptr<osg::Texture2D> fbo_blur_texture;
                osg::ref_ptr<osg::FrameBufferObject> fbo_shadow;
                osg::ref_ptr<osg::FrameBufferObject> fbo_vert_linear_blur;
                osg::ref_ptr<osg::FrameBufferObject> fbo_hori_linear_blur;
                osg::ref_ptr<osg::FrameBufferObject> fbo_hori_blur;
                osg::ref_ptr<osg::FrameBufferObject> fbo_vert_blur;
                osg::ref_ptr<osg::FrameBufferObject> fbo_hori_blur2;

                osg::ref_ptr<osg::Uniform> projectuniform;
                osg::ref_ptr<osg::Uniform> modelViewMatrixuniform;
                osg::ref_ptr<osg::Uniform> viewMatrixuniform;
                osg::ref_ptr<osg::Uniform> viewMatrixInvuniform;

                osg::ref_ptr<osg::Uniform> project_lightuniform;
                osg::ref_ptr<osg::Uniform> modelViewMatrix_lightuniform;
                osg::ref_ptr<osg::Uniform> viewMatrix_lightuniform;
                osg::ref_ptr<osg::Uniform> viewMatrixInv_lightuniform;
                
                void Active(bool type);
                bool processing;
                std::vector<int> m_layers;

                bool m_slicingViewVectorTransformed;            

                unsigned int m_active_layer;

                osg::ref_ptr<osg::UIntArray> m_primitive2Layer;         

                osg::ref_ptr<osg::IntArray> m_numPrimitiveArrays;
                osg::ref_ptr<osg::IntArray> m_CloudsIterArrays;                         

                virtual void CloudGeometry::drawImplementation(osg::RenderInfo& renderInfo) const;

                static bool blur;
        };
}