// EMERGENT GAME TECHNOLOGIES PROPRIETARY INFORMATION
//
// This software is supplied under the terms of a license agreement or
// nondisclosure agreement with Emergent Game Technologies and may not 
// be copied or disclosed except in accordance with the terms of that 
// agreement.
//
//      Copyright (c) 1996-2007 Emergent Game Technologies.
//      All Rights Reserved.
//
// Emergent Game Technologies, Chapel Hill, North Carolina 27517
// http://www.emergent.net

#ifndef NIFXLSHADER_H
#define NIFXLSHADER_H

#include "NiFXLShaderLibType.h"
#include <NiD3DShader.h>

class NiFXLTechnique;

class NIFXLSHADER_ENTRY NiFXLShader : public NiD3DShader
{
    NiDeclareRTTI;
public:
    NiFXLShader();
    virtual ~NiFXLShader();

    virtual bool Initialize();

    virtual unsigned int PreProcessPipeline(NiGeometry* pkGeometry, 
        const NiSkinInstance* pkSkin, 
        NiGeometryData::RendererData* pkRendererData, 
        const NiPropertyState* pkState, const NiDynamicEffectState* pkEffects,
        const NiTransform& kWorld, const NiBound& kWorldBound);
    virtual unsigned int UpdatePipeline(NiGeometry* pkGeometry, 
        const NiSkinInstance* pkSkin, 
        NiGeometryData::RendererData* pkRendererData, 
        const NiPropertyState* pkState, const NiDynamicEffectState* pkEffects,
        const NiTransform& kWorld, const NiBound& kWorldBound);
    virtual unsigned int SetupRenderingPass(NiGeometry* pkGeometry, 
        const NiSkinInstance* pkSkin, 
        NiGeometryData::RendererData* pkRendererData, 
        const NiPropertyState* pkState, const NiDynamicEffectState* pkEffects,
        const NiTransform& kWorld, const NiBound& kWorldBound);
    virtual unsigned int SetupTransformations(NiGeometry* pkGeometry, 
        const NiSkinInstance* pkSkin, 
        const NiSkinPartition::Partition* pkPartition, 
        NiGeometryData::RendererData* pkRendererData, 
        const NiPropertyState* pkState, const NiDynamicEffectState* pkEffects,
        const NiTransform& kWorld, const NiBound& kWorldBound);
    virtual unsigned int SetupShaderPrograms(NiGeometry* pkGeometry, 
        const NiSkinInstance* pkSkin, 
        const NiSkinPartition::Partition* pkPartition, 
        NiGeometryData::RendererData* pkRendererData, 
        const NiPropertyState* pkState, const NiDynamicEffectState* pkEffects,
        const NiTransform& kWorld, const NiBound& kWorldBound);
    virtual unsigned int PostRender(NiGeometry* pkGeometry, 
        const NiSkinInstance* pkSkin, 
        const NiSkinPartition::Partition* pkPartition, 
        NiGeometryData::RendererData* pkRendererData, 
        const NiPropertyState* pkState, const NiDynamicEffectState* pkEffects, 
        const NiTransform& kWorld, const NiBound& kWorldBound);
    virtual unsigned int PostProcessPipeline(NiGeometry* pkGeometry, 
        const NiSkinInstance* pkSkin, 
        NiGeometryData::RendererData* pkRendereData, 
        const NiPropertyState* pkState, const NiDynamicEffectState* pkEffects,
        const NiTransform& kWorld, const NiBound& kWorldBound);

    virtual unsigned int FirstPass();
    virtual unsigned int NextPass();

    virtual void DestroyRendererData();
    virtual void RecreateRendererData();

    // *** begin Emergent internal use only

    enum BoneMatrixCalcMethod
    {
        BONECALC_SKIN       = 0x00000000,
        BONECALC_NO_SKIN    = 0x00000001
    };

    unsigned int GetBoneMatrixRegisters() const;
    void SetBoneMatrixRegisters(unsigned int uiRegisters);
    BoneMatrixCalcMethod GetBoneCalcMethod() const;
    void SetBoneCalcMethod(BoneMatrixCalcMethod eMethod);

    // Shader Declaration (Packing definition)
    NiD3DShaderDeclaration* GetShaderDecl() const;
    void SetShaderDecl(NiD3DShaderDeclaration* pkShaderDecl);

    void SetEffectTechnique(NiFXLTechnique* pkFXLTechnique);
    void SetTechniquePtr(FXLTechniquePtr pkTechnique);

    virtual bool SetupGeometry(NiGeometry* pkGeometry);

    void SetActualImplementation(unsigned int uiActualImplementation);
    unsigned int GetActualImplementation() const;

    // *** end Emergent internal use only

protected:
    void CreateShaderDeclaration();

    NiFXLTechnique* m_pkFXLTechnique;
    FXLTechniquePtr m_pkTechnique;

    FXLEffect* m_pkFXLEffect;

    // Actual implementation number in case this shader was created
    // with the "default implementation" value.
    unsigned int m_uiActualImplementation;

    unsigned int m_uiBoneMatrixRegisters;
    BoneMatrixCalcMethod m_eBoneCalcMethod;
};

NiSmartPointer(NiFXLShader);

#endif  //NIFXLSHADER_H