source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/include/RenderTechniques/OgreSBBRenderTechnique.h @ 1055

#pragma once

//disable inheritance warning caused by multiple inheritance
#if _WIN32
#if _MSC_VER
#pragma warning(disable: 4250)
#endif
#endif

#include "OgreRenderTechnique.h"
#include "SBBRenderTechnique.h"
#include "Ogre.h"

using namespace Ogre;

/**
        @brief SBBRenderTechnique used in an OGRE environment.
*/
class OgreSBBRenderTechnique : public OgreRenderTechnique,
                                                                                public SBBRenderTechnique,
                                                                                public RenderTargetListener,
                                                                                public FrameListener,
                                                                                public UpdateListener
{
public:
        /**
                @brief Constructor.

                @param depthTexID                               the id of the texture unit state the resulting
                                                                                        scene depth map should be bound to
                @param pass                                             the pass to operate on                  
                @param parentRenderable                 the object to operate on
                @param parentTechniqueGroup             the TechniqueGroup this RenderedTechnique is attached to
        */
        OgreSBBRenderTechnique( unsigned char depthTexID,
                                                        Pass* pass,
                                                        OgreRenderable* parentRenderable,
                                                        OgreTechniqueGroup* parentTechniqueGroup
                                                        );
        ~OgreSBBRenderTechnique();
        
        //inherited
        virtual void update(unsigned long frameNum);

        void  preRenderTargetUpdate (const RenderTargetEvent &evt);
        void  postRenderTargetUpdate (const RenderTargetEvent &evt);
        bool  frameEnded (const FrameEvent &evt);
        void preAllUpdates();
        void postAllUpdates();
        
protected:      
        /**
                &brief the id of the texture unit state the resulting scene depth map should be bound to
        */
        unsigned char depthTexID;

        bool lastVisibility;
        
};


class OgreSBBRenderTechniqueFactory : public RenderTechniqueFactory
{
public:
        
        OgreSBBRenderTechniqueFactory();

        OgreRenderTechnique* createInstance(IllumTechniqueParams* params,
                                                                                Pass* pass,
                                                                                OgreRenderable* parentRenderable,
                                                                                OgreTechniqueGroup* parentTechniqueGroup);


        unsigned char depthTexID;

};