source: GTP/trunk/Lib/Illum/IllumModule/OgreIllumModule/include/RenderTechniques/OgreCubeMapRenderTechnique.h @ 1725

#pragma once

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

#include "CubeMapRenderTechnique.h"
#include "OgreRenderTechnique.h"
#include "Ogre.h"

using namespace Ogre;

/**
        @brief CubeMapRenderTechnique used in an Ogre environment.
*/
class OgreCubeMapRenderTechnique :      virtual public CubeMapRenderTechnique,
                                                                        public OgreRenderTechnique
{
public:

        /**
                @brief Constructor.

                @param startFrame                               adds an offset to the current frame number to help evenly distribute updates between frames
                @param cubeMapUpdateInterval    update frequency
                @param cubeMapResolution                color cubemap resolution
                @param texID                                    the id of the texture unit state the resulting cubemap should be bound to
                @param useDistCalc                              flag to skip cube face update if object is far away
                @param useFaceAngleCalc                 flag to skip cube face update if face is neglible
                @param distTolerance                    distance tolerance used in face skip
                @param angleTolerance                   angle tolerance used in face skip
                @param updateAllFace                    defines if all cubemap faces should be updated in a frame or only one face per frame
                @param pass                                             the pass to operate on                  
                @param parentRenderable                 the object to operate on
                @param parentTechniqueGroup             the TechniqueGroup this RenderedTechnique is attached to
        */
        OgreCubeMapRenderTechnique( unsigned long startFrame,
                                                        unsigned long cubeMapUpdateInterval,
                                                        unsigned int cubeMapResolution,                                                                                         
                                                        unsigned char texID,
                                                        bool useDistCalc,
                                                        bool useFaceAngleCalc,
                                                        float distTolerance,
                                                        float angleTolerance,
                                                        bool updateAllFace,
                                                        bool renderSelf,
                                                        bool renderEnvironment,
                                                        String selfMaterial,
                                                        String environmentMaterial,
                                                        int layer,
                                                        Pass* pass,
                                                        OgreRenderable* parentRenderable,
                                                        OgreTechniqueGroup* parentTechniqueGroup,
                                                        bool createCubeRun = false
                                                        );
        /**
                @brief Destructor.
        */
        ~OgreCubeMapRenderTechnique();
        
                
protected:
                
        /**
                @brief the id of the texture unit state the resulting cubemap should be bound to
        */
        unsigned char texID;
        String selfMaterial;
        String environmentMaterial;
        String texturePostFix;

        RenderingRun* createCubeMapRun();
        void cubeMapRunChanged(RenderingRun* run);      
};

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

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

        void resetParams();
        
        unsigned long startFrame;
        unsigned long cubeMapUpdateInterval;
        unsigned int cubeMapResolution;                                                                                         
        unsigned char texID;
        bool useDistCalc;
        bool useFaceAngleCalc;
        float distTolerance;
        float angleTolerance;
        bool updateAllFace;
        bool renderSelf;
        bool renderEnvironment;
        String selfMaterial;
        String environmentMaterial;
        int layer;
};