fbshader.h

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#ifndef _FB_SHADER_H_
#define _FB_SHADER_H_
/**************************************************************************
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#include <kaydaradef.h>
#ifndef FBSDK_DLL 

#define FBSDK_DLL K_DLLIMPORT
#endif

#include <fbsdk/fbcomponent.h>
#include <fbsdk/fbcore.h>

K_FORWARD( KRenderOptions );
K_FORWARD( KModelRenderInfo );
K_FORWARD( KShaderModelInfo );

#ifdef FBSDKUseNamespace
namespace FBSDKNamespace {
#endif

#define FBRegisterShader( UniqueNameStr, ClassName, Label, Description, IconFilename ) \
    HIObject RegisterShader##ClassName( HIObject /*pOwner*/,const char* pName,void * /*pData*/) \
    { \
    ClassName *Class = new ClassName( pName ); \
    Class->UniqueName = UniqueNameStr; \
    Class->ShaderDescription = Description; \
    if (Class->FBCreate()) { \
    return Class->GetHIObject(); \
    } else { \
    delete Class; \
    return NULL; \
    } \
} \
    FBLibraryModule( ClassName )    \
    {   \
    FBRegisterObject( ClassName##R1,"renderer/usershader/ogl",Label,Description,RegisterShader##ClassName,true, IconFilename ); \
    FBRegisterObject( ClassName##R2,"FbxStorable/Shader",UniqueNameStr,Description,RegisterShader##ClassName,true, IconFilename );  \
}

#define FBShaderDeclare( ClassName, Parent  ) \
    FBClassDeclare( ClassName,Parent); \
public: \
    ClassName(const char* pName):Parent(pName) { FBClassInit; } \
private:

#define FBShaderImplementation( ThisComponent ) \
    FBClassImplementation( ThisComponent )

    // FBShaderManager
    FB_FORWARD( FBShaderManager );
    FB_FORWARD( FBShader );
    FB_FORWARD( FBMaterial );
    FB_FORWARD( FBCamera );

    class FBSDK_DLL FBShaderManager
    {
        FBShaderManager( const FBShaderManager& );

        FBShaderManager& operator=( const FBShaderManager& );

    public:

        FBShaderManager();

        ~FBShaderManager();

        HFBShader CreateShader( const char* pShaderTypeName );

        FBStringList ShaderTypeNames;

        FBStringList ShaderTypeNamesLocalized;
    };


    // FBShader - Shader layer on top of internals.

    FB_FORWARD( FBShaderModelInfo );
    class FBSDK_DLL FBShaderModelInfo
    {
    public:
        FBShaderModelInfo(HFBShader pShader, HKModelRenderInfo pInfo, int pSubRegionIndex);
        virtual ~FBShaderModelInfo();

        virtual void UpdateModelShaderInfo(int pShader_Version);

        FBModel* GetFBModel() { return mFBModel; }

        HFBMaterial GetFBMaterial();

        int GetSubRegionIndex();

        KShaderModelInfo* GetShaderModelInfo() const { return mLocalPtr; }

        int GetModelVersion() const;

        int GetShaderVersion() const;

        bool GetOriginalTextureFlag() const;

        unsigned int GetGeometryArrayIds() const; 

        void SetGeometryArrayIds(unsigned int pArrayIds); 

    private:
        KShaderModelInfo* mLocalPtr;
        FBModel*    mFBModel;
    };

    FB_FORWARD( FBRenderOptions );
    class FBSDK_DLL FBRenderOptions
    {
    public:
        FBRenderOptions(HKRenderOptions pOptions);

        FBCamera* GetRenderingCamera();

        int GetRenderFrameId() const;

        bool IsIDBufferPicking() const;

        float GetIDBufferPickingAlphaThreshold() const;

        bool IsOfflineRendering() const;

#ifndef DOXYGEN_SHOULD_SKIP_THIS

        HKRenderOptions mRenderOptions;
#endif
    };


    enum FBRenderingPass {
        kFBPassInvalid                  = 0,        
        kFBPassPreRender                = 1 << 0,   
        kFBPassFlat                     = 1 << 1,   
        kFBPassLighted                  = 1 << 2,   
        kFBPassMatte                    = 1 << 3,   
        kFBPassZTranslucent             = 1 << 4,   
        kFBPassZTranslucentAlphaTest    = 1 << 5,   
        kFBPassTranslucent              = 1 << 6,   
        kFBPassAddColor                 = 1 << 7,   
        kFBPassTranslucentZSort         = 1 << 8,   
        kFBPassPostRender               = 1 << 9    
    };
    FB_DEFINE_ENUM( FBSDK_DLL, RenderingPass );

    enum FBAlphaSource
    {
        kFBAlphaSourceNoAlpha               ,   
        kFBAlphaSourceAccurateAlpha         ,   
        kFBAlphaSourceTransluscentAlpha     ,   
        kFBAlphaSourceMatteAlpha            ,   
        kFBAlphaSource2DTransparency        ,   
        kFBAlphaSourceAdditiveAlpha         ,   
        kFBAlphaSourceTransluscentZSortAlpha,   
    };
    FB_DEFINE_ENUM( FBSDK_DLL, AlphaSource );

    enum FBShaderCapacity
    { 
        kFBShaderCapacityNone            = 0,
        kFBShaderCapacityMaterialEffect  = 1 << 0,     
        kFBShaderCapacityDrawInstanced   = 1 << 1,     
        kFBShaderCapacityDrawShadow      = 1 << 2,     
        kFBShaderCapactiyDrawTextureLayer= 1 << 3      
    };
    FB_DEFINE_ENUM( FBSDK_DLL, ShaderCapacity );

    enum FBShaderPassActionCallback
    {
        kFBShaderPassActionNone         = 0,  
        kFBShaderPassTypeBegin          = 1 << 0,
        kFBShaderPassTypeEnd            = 1 << 1,
        kFBShaderPassInstanceBegin      = 1 << 2, 
        kFBShaderPassInstanceEnd        = 1 << 3, 
        kFBShaderPassMaterialBegin      = 1 << 4, 
        kFBShaderPassMaterialEnd        = 1 << 5,
        kFBShaderPassGeometryBegin      = 1 << 6,
        kFBShaderPassGeometryEnd        = 1 << 7,
        kFBShaderPassModelsDraw         = 1 << 8,
        kFBShaderPassModelDraw          = 1 << 9
    };
    FB_DEFINE_ENUM( FBSDK_DLL, ShaderPassActionCallback );

    FB_FORWARD( FBRenderer );
    __FB_FORWARD( FBShader );
    FB_DEFINE_COMPONENT ( FBSDK_DLL, Shader );
    FB_DEFINE_LIST      ( FBSDK_DLL, Shader );

    class FBSDK_DLL FBShader : public FBBox
    {
        //--- Open Reality declaration.
        __FBClassDeclare( FBShader, FBBox );

    public:
        FBShader( const char* pName, HIObject pObject=NULL);

        IObject_Declare(Implementation);        // Interface to IObject.

        virtual HFBShaderModelInfo NewShaderModelInfo(HKModelRenderInfo pModelRenderInfo, int pSubRegionIndex);

        virtual void UpdateModelShaderInfo( FBRenderOptions* pOptions, HFBShaderModelInfo pInfo );

        virtual void DestroyShaderModelInfo( FBRenderOptions* pOptions, HFBShaderModelInfo pInfo );

        virtual void ReplaceAll( FBModel* pModel );

        virtual void Append( FBModel* pModel );

        virtual bool ShaderNeedBeginRender();

        virtual void ShaderBeginRender( FBRenderOptions* pOptions, HFBShaderModelInfo pInfo );

        virtual void ShadeModel( FBRenderOptions* pOptions, HFBShaderModelInfo pInfo, FBRenderingPass pPass );

        virtual void ShadeModelShadow(FBRenderOptions* pRenderOptions, HFBShaderModelInfo pInfo);


        virtual void ShaderPassTypeBegin    ( FBRenderOptions* pRenderOptions, FBRenderingPass pPass);  

        virtual void ShaderPassTypeEnd      ( FBRenderOptions* pRenderOptions, FBRenderingPass pPass);     

        virtual void ShaderPassInstanceBegin( FBRenderOptions* pRenderOptions, FBRenderingPass pPass);  

        virtual void ShaderPassInstanceEnd  ( FBRenderOptions* pRenderOptions, FBRenderingPass pPass);  

        virtual void ShaderPassMaterialBegin( FBRenderOptions* pRenderOptions, FBRenderingPass pPass, HFBShaderModelInfo pInfo);  

        virtual void ShaderPassMaterialEnd  ( FBRenderOptions* pRenderOptions, FBRenderingPass pPass, HFBShaderModelInfo pInfo);  

        virtual void ShaderPassGeometryBegin( FBRenderOptions* pRenderOptions, FBRenderingPass pPass, HFBShaderModelInfo pInfo);  

        virtual void ShaderPassGeometryEnd  ( FBRenderOptions* pRenderOptions, FBRenderingPass pPass, HFBShaderModelInfo pInfo);
    
        virtual void ShaderPassModelsDraw ( FBRenderOptions* pRenderOptions, FBRenderingPass pPass, const FBArrayTemplate<HFBShaderModelInfo>& pInfoArray);

        virtual void ShaderPassModelDraw ( FBRenderOptions* pRenderOptions, FBRenderingPass pPass, HFBShaderModelInfo pInfo);

        virtual void ShaderPassDrawShadowBegin( FBRenderOptions* pRenderOptions);

        virtual void ShaderPassDrawShadowEnd ( FBRenderOptions* pRenderOptions);

        FBShaderPassActionCallback   GetShaderPassActionCallback() const;
        void         SetShaderPassActionCallback( FBShaderPassActionCallback pCallback);
   

        virtual void CloneShaderParameter( HFBShader pNewShader );

        virtual void DetachDisplayContext( FBRenderOptions* pOptions, HFBShaderModelInfo pInfo );

        virtual bool FbxStore   (FBFbxObject* pFbxObject);

        virtual bool FbxRetrieve(FBFbxObject* pFbxObject, HFBRenderer pRenderer);

        const char* ShaderDescription;  

        void    InvalidateShaderVersion ();

        int     GetShaderVersion        ()  const;

        FBShaderCapacity GetShaderCapacity( ) const;

        bool         HasShaderCapacity    (FBShaderCapacity pCapacity);  

        void         SetShaderCapacity    (FBShaderCapacity pCapacity, bool pOn);

        int          GetDrawInstancedMaximumSize() const;

        void         SetDrawInstancedMaximumSize(int pMaxSize);

        virtual void UploadModelViewMatrixArrayForDrawInstanced(const double* pModelViewMatrixArray, int pCount);


    public:
        FBPropertyBool              Enable;

        FBPropertyRenderingPass     RenderingPass;

    protected:
        static FBRenderingPass GetRenderingPassNeededForAlpha(FBAlphaSource pTransparency);
    };

    // FBPropertyListShader - List of shaders
    class FBSDK_DLL FBPropertyListShader : public FBPropertyListComponent
    {
    public:
        FBPropertyListShader();
        FBShader* operator[](int pIndex);
    };

    // FBShaderLighted
    FB_FORWARD( FBShaderLighted );
    FB_DEFINE_COMPONENT( FBSDK_DLL, ShaderLighted );

    class FBSDK_DLL FBShaderLighted : public FBShader
    {
        //--- Open Reality declaration.
        FBClassDeclare( FBShaderLighted, FBShader );

    public:
        FBShaderLighted( const char* pName, HIObject pObject=NULL );

        FBPropertyBool             UseContrast;   
        FBPropertyDouble           Contrast;      

        FBPropertyBool             UseLuminosity; 
        FBPropertyDouble           Luminosity;    

        FBPropertyBool             UseSpecular;   
        FBPropertyDouble           Specular;      

        FBPropertyAlphaSource      Transparency;  
        FBPropertyAnimatableDouble Alpha;         
    };


    // FBShaderShadowLive
    FB_FORWARD( FBShaderShadowLive );
    FB_DEFINE_COMPONENT( FBSDK_DLL, ShaderShadowLive );

    enum FBShadowType
    { 
        kFBShadowTypeShadowPlanar              ,    
        kFBShadowTypeShadowProjectiveTexture   ,    
        kFBShadowTypeLightMapProjectiveTexture ,    
        kFBShadowTypeZShadowProjectiveTexture  ,    
        kFBShadowTypeZLightMapProjectiveTexture,    
    };
    FB_DEFINE_ENUM( FBSDK_DLL, ShadowType );

    enum FBShadowFrameType
    {
        kFBShadowFrameTypeShadowReceiver,   
        kFBShadowFrameTypeShadowCaster  ,   
        kFBShadowFrameTypeShadowCubeMap ,   
    };
    FB_DEFINE_ENUM( FBSDK_DLL, ShadowFrameType );


    class FBSDK_DLL FBShaderShadowLive : public FBShader
    {
        //--- Open Reality declaration.
        FBClassDeclare( FBShaderShadowLive, FBShader );

    public:
        FBShaderShadowLive( const char* pName, HIObject pObject=NULL );

        FBPropertyShadowType       ShadowType;      
        FBPropertyAnimatableDouble ShadowIntensity; 
        FBPropertyBool             LocalShadow;     
        FBPropertyBool             UseGobo;         
        FBPropertyDouble           ShadowZOffset;   
        FBPropertyShadowFrameType  ShadowFrameType; 

        FBPropertyListObject       Lights;          
        FBPropertyListObject       Models;          

    };


#ifdef FBSDKUseNamespace
}
#endif
#endif /* _FB_SHADER_H_ */