MaterialInstance_override01.jpg

参考 †
▲ ▼

Translucency Lighting Modeを追加してみた †
  1. Editor\MaterialEditor\Private\MaterialEditorInstanceDetailCustomization.cpp
    • FMaterialInstanceParameterDetails::CreateBasePropertyOverrideWidgets

      #code(c,nomenu){

       
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      #spanend
    TAttribute<bool> IsOverrideOpacityClipMaskValueEnabled = TAttribute<bool>::Create(TAttribute<bool>::FGetter::CreateSP(this, &FMaterialInstanceParameterDetails::OverrideOpacityClipMaskValueEnabled));
    TAttribute<bool> IsOverrideBlendModeEnabled = TAttribute<bool>::Create(TAttribute<bool>::FGetter::CreateSP(this, &FMaterialInstanceParameterDetails::OverrideBlendModeEnabled));
    TAttribute<bool> IsOverrideShadingModelEnabled = TAttribute<bool>::Create(TAttribute<bool>::FGetter::CreateSP(this, &FMaterialInstanceParameterDetails::OverrideShadingModelEnabled));
// start -------
    TAttribute<bool> IsOverrideTranslucencyLightingModeEnabled = TAttribute<bool>::Create(TAttribute<bool>::FGetter::CreateSP(this, &FMaterialInstanceParameterDetails::OverrideTranslucencyLightingModeEnabled));
// end ---------
    TAttribute<bool> IsOverrideTwoSidedEnabled = TAttribute<bool>::Create(TAttribute<bool>::FGetter::CreateSP(this, &FMaterialInstanceParameterDetails::OverrideTwoSidedEnabled));
    TAttribute<bool> IsOverrideDitheredLODTransitionEnabled = TAttribute<bool>::Create(TAttribute<bool>::FGetter::CreateSP(this, &FMaterialInstanceParameterDetails::OverrideDitheredLODTransitionEnabled));
#spanadd
       
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      #spanend
#spanadd
    TSharedRef<IPropertyHandle> BasePropertyOverridePropery = DetailLayout.GetProperty("BasePropertyOverrides");
#spanend
#spanadd
    TSharedPtr<IPropertyHandle> OpacityClipMaskValueProperty = BasePropertyOverridePropery->GetChildHandle("OpacityMaskClipValue");
#spanend
#spanadd
    TSharedPtr<IPropertyHandle> BlendModeProperty = BasePropertyOverridePropery->GetChildHandle("BlendMode");
#spanend
#spanadd
    TSharedPtr<IPropertyHandle> ShadingModelProperty = BasePropertyOverridePropery->GetChildHandle("ShadingModel");
#spanend
#spanadd
// start -------
#spanend
#spanadd
    TSharedPtr<IPropertyHandle> TranslucencyLightingModeProperty = BasePropertyOverridePropery->GetChildHandle("TranslucencyLightingMode");
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    TSharedPtr<IPropertyHandle> TwoSidedProperty = BasePropertyOverridePropery->GetChildHandle("TwoSided");
#spanend
#spanadd
    TSharedPtr<IPropertyHandle> DitheredLODTransitionProperty = BasePropertyOverridePropery->GetChildHandle("DitheredLODTransition");
#spanend
#spanadd
       
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      #spanend
#spanadd
    IDetailPropertyRow& ShadingModelPropertyRow = BasePropertyOverrideGroup.AddPropertyRow(ShadingModelProperty.ToSharedRef());
#spanend
#spanadd
    ShadingModelPropertyRow
#spanend
#spanadd
        .DisplayName(ShadingModelProperty->GetPropertyDisplayName())
#spanend
#spanadd
        .ToolTip(ShadingModelProperty->GetToolTipText())
#spanend
#spanadd
        .EditCondition(IsOverrideShadingModelEnabled, FOnBooleanValueChanged::CreateSP(this, &FMaterialInstanceParameterDetails::OnOverrideShadingModelChanged));
#spanend
#spanadd
 
#spanend
#spanadd
// start -------
#spanend
#spanadd
    IDetailPropertyRow& TranslucencyLightingModePropertyRow = BasePropertyOverrideGroup.AddPropertyRow(TranslucencyLightingModeProperty.ToSharedRef());
#spanend
#spanadd
    TranslucencyLightingModePropertyRow
#spanend
#spanadd
        .DisplayName(TranslucencyLightingModeProperty->GetPropertyDisplayName())
#spanend
#spanadd
        .ToolTip(TranslucencyLightingModeProperty->GetToolTipText())
#spanend
#spanadd
        .EditCondition(IsOverrideTranslucencyLightingModeEnabled, FOnBooleanValueChanged::CreateSP(this, &FMaterialInstanceParameterDetails::OnOverrideTranslucencyLightingModeChanged));
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    • メソッド追加 
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!
 
 
 
 

      #spanend
#spanadd
// start -------
#spanend
#spanadd
bool FMaterialInstanceParameterDetails::OverrideTranslucencyLightingModeEnabled() const
#spanend
#spanadd
{
#spanend
#spanadd
    return MaterialEditorInstance->BasePropertyOverrides.bOverride_TranslucencyLightingMode;
#spanend
}
#spanadd
// end ---------
#spanend
#spanadd
       
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!
 
 
 
 
 

      #spanend
#spanadd
// start -------
#spanend
#spanadd
void FMaterialInstanceParameterDetails::OnOverrideTranslucencyLightingModeChanged(bool NewValue)
#spanend
#spanadd
{
#spanend
#spanadd
    MaterialEditorInstance->BasePropertyOverrides.bOverride_TranslucencyLightingMode = NewValue;
#spanend
#spanadd
    MaterialEditorInstance->PostEditChange();
#spanend
#spanadd
    FEditorSupportDelegates::RedrawAllViewports.Broadcast();
#spanend
#spanadd
}
#spanend
#spanadd
// end ---------
#spanend
#spanadd
  2. Editor\MaterialEditor\Private\MaterialEditorInstanceDetailCustomization.h
    • FMaterialInstanceParameterDetails 
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      #spanend
#spanadd
    bool OverrideOpacityClipMaskValueEnabled() const;
#spanend
#spanadd
    bool OverrideBlendModeEnabled() const;
#spanend
#spanadd
    bool OverrideShadingModelEnabled() const;
#spanend
#spanadd
// start -------
#spanend
#spanadd
    bool OverrideTranslucencyLightingModeEnabled() const;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    bool OverrideTwoSidedEnabled() const;
#spanend
#spanadd
    bool OverrideDitheredLODTransitionEnabled() const;
#spanend
#spanadd
       
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      #spanend
#spanadd
    void OnOverrideOpacityClipMaskValueChanged(bool NewValue);
#spanend
#spanadd
    void OnOverrideBlendModeChanged(bool NewValue);
#spanend
#spanadd
    void OnOverrideShadingModelChanged(bool NewValue);
#spanend
#spanadd
// start -------
#spanend
#spanadd
    void OnOverrideTranslucencyLightingModeChanged(bool NewValue);
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    void OnOverrideTwoSidedChanged(bool NewValue);
#spanend
#spanadd
    void OnOverrideDitheredLODTransitionChanged(bool NewValue);
#spanend
#spanadd
  3. Runtime\Engine\Classes\Materials\Material.h
    • UMaterial 
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      #spanend
#spanadd
    ENGINE_API virtual float GetOpacityMaskClipValue() const override;
#spanend
#spanadd
    ENGINE_API virtual EBlendMode GetBlendMode() const override;
#spanend
#spanadd
    ENGINE_API virtual EMaterialShadingModel GetShadingModel() const override;
#spanend
#spanadd
// start -------
#spanend
#spanadd
    ENGINE_API virtual enum ETranslucencyLightingMode GetTranslucencyLightingMode() const override;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    ENGINE_API virtual bool IsTwoSided() const override;
#spanend
#spanadd
    ENGINE_API virtual bool IsDitheredLODTransition() const override;
#spanend
#spanadd
  4. Runtime\Engine\Classes\Materials\MaterialInstance.h
    • UMaterialInstance 
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      #spanend
#spanadd
    float OpacityMaskClipValue;
#spanend
#spanadd
    TEnumAsByte<EBlendMode> BlendMode;
#spanend
#spanadd
    TEnumAsByte<EMaterialShadingModel> ShadingModel;
#spanend
#spanadd
// start -------
#spanend
#spanadd
    TEnumAsByte<enum ETranslucencyLightingMode> TranslucencyLightingMode;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    uint32 TwoSided : 1;
#spanend
#spanadd
    uint32 DitheredLODTransition : 1;
#spanend
#spanadd
       
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      #spanend
#spanadd
    ENGINE_API virtual float GetOpacityMaskClipValue() const override;
#spanend
#spanadd
    ENGINE_API virtual EBlendMode GetBlendMode() const override;
#spanend
#spanadd
    ENGINE_API virtual EMaterialShadingModel GetShadingModel() const override;
#spanend
#spanadd
// start -------
#spanend
#spanadd
    ENGINE_API virtual enum ETranslucencyLightingMode GetTranslucencyLightingMode() const override;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    ENGINE_API virtual bool IsTwoSided() const override;
#spanend
#spanadd
    ENGINE_API virtual bool IsDitheredLODTransition() const override;
#spanend
#spanadd
    ENGINE_API virtual bool IsMasked() const override;;
#spanend
#spanadd
  5. Runtime\Engine\Classes\Materials\MaterialInstanceBasePropertyOverrides.h
    • FMaterialInstanceBasePropertyOverrides 
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      #spanend
#spanadd
    /** Enables override of the two sided property. */
#spanend
#spanadd
    UPROPERTY(EditAnywhere, Category = Material)
#spanend
#spanadd
    bool bOverride_TwoSided;
#spanend
 
#spanadd
// start -------
#spanend
#spanadd
    /** Enables override of the two sided property. */
#spanend
#spanadd
    UPROPERTY(EditAnywhere, Category = Material)
#spanend
#spanadd
    bool bOverride_TranslucencyLightingMode;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
       
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      #spanend
#spanadd
    /** The shading model */
#spanend
#spanadd
    UPROPERTY(EditAnywhere, Category = Material, meta = (editcondition = "bOverride_ShadingModel"))
#spanend
#spanadd
    TEnumAsByte<EMaterialShadingModel> ShadingModel;
#spanend
#spanadd
 
#spanend
#spanadd
// start -------
#spanend
#spanadd
    /** The shading model */
#spanend
#spanadd
    UPROPERTY(EditAnywhere, Category = Material, meta = (editcondition = "bOverride_TranslucencyLightingMode"))
#spanend
#spanadd
    TEnumAsByte<enum ETranslucencyLightingMode> TranslucencyLightingMode;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
  6. Runtime\Engine\Classes\Materials\MaterialInstanceDynamic.h
    • UMaterialInstanceDynamic 
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      #spanend
#spanadd
    //Material base property overrides. MIDs cannot override these so they just grab from their parent.
#spanend
#spanadd
    virtual float GetOpacityMaskClipValue() const override;
#spanend
#spanadd
    virtual EBlendMode GetBlendMode() const override;
#spanend
#spanadd
    virtual EMaterialShadingModel GetShadingModel() const override;
#spanend
#spanadd
// start -------
#spanend
#spanadd
    virtual enum ETranslucencyLightingMode GetTranslucencyLightingMode() const override;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    virtual bool IsTwoSided() const override;
#spanend
#spanadd
    virtual bool IsDitheredLODTransition() const override;
#spanend
#spanadd
    virtual bool IsMasked() const override;
#spanend
#spanadd
  7. Runtime\Engine\Classes\Materials\MaterialInterface.h
    • UMaterialInterface 
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      #spanend
#spanadd
    ENGINE_API virtual float GetOpacityMaskClipValue() const;
#spanend
#spanadd
    ENGINE_API virtual EBlendMode GetBlendMode() const;
#spanend
#spanadd
    ENGINE_API virtual EMaterialShadingModel GetShadingModel() const;
#spanend
#spanadd
// start -------
#spanend
#spanadd
    ENGINE_API virtual enum ETranslucencyLightingMode GetTranslucencyLightingMode() const;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    ENGINE_API virtual bool IsTwoSided() const;
#spanend
#spanadd
    ENGINE_API virtual bool IsDitheredLODTransition() const;
#spanend
#spanadd
    ENGINE_API virtual bool IsTranslucencyWritingCustomDepth() const;
#spanend
#spanadd
    ENGINE_API virtual bool IsMasked() const;
#spanend
#spanadd
    ENGINE_API virtual bool IsDeferredDecal() const;
#spanend
#spanadd
  8. Runtime\Engine\Private\Materials\Material.cpp
    • メソッド追加 
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      #spanend
#spanadd
// start -------
#spanend
#spanadd
ETranslucencyLightingMode UMaterial::GetTranslucencyLightingMode() const
#spanend
#spanadd
{
#spanend
#spanadd
    return TranslucencyLightingMode;
#spanend
#spanadd
}
#spanend
#spanadd
// end ---------
#spanend
#spanadd
  9. Runtime\Engine\Private\Materials\MaterialInstance.cpp
    • メソッド追加 
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      #spanend
#spanadd
// start -------
#spanend
#spanadd
ETranslucencyLightingMode UMaterialInstanceDynamic::GetTranslucencyLightingMode() const
#spanend
#spanadd
{
#spanend
#spanadd
    return Parent ? Parent->GetTranslucencyLightingMode() : TLM_VolumetricNonDirectional;
#spanend
#spanadd
}
#spanend
#spanadd
// end ---------
#spanend
#spanadd
       
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      #spanend
#spanadd
// start -------
#spanend
#spanadd
ETranslucencyLightingMode UMaterialInstance::GetTranslucencyLightingMode() const
#spanend
#spanadd
{
#spanend
#spanadd
    return TranslucencyLightingMode;
#spanend
#spanadd
}
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    • UMaterialInstance::UpdateOverridableBaseProperties 
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      #spanend
#spanadd
        OpacityMaskClipValue = 0.0f;
#spanend
#spanadd
        BlendMode = BLEND_Opaque;
#spanend
#spanadd
        ShadingModel = MSM_DefaultLit;
#spanend
#spanadd
// start -------
#spanend
#spanadd
        TranslucencyLightingMode = TLM_VolumetricNonDirectional;
#spanend
#spanadd
// end ---------
#spanend
#spanadd
        TwoSided = 0;
#spanend
#spanadd
        DitheredLODTransition = 0;
#spanend
#spanadd
       
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      #spanend
#spanadd
    if (BasePropertyOverrides.bOverride_ShadingModel)
#spanend
#spanadd
    {
#spanend
#spanadd
        ShadingModel = BasePropertyOverrides.ShadingModel;
#spanend
#spanadd
    }
#spanend
#spanadd
    else
#spanend
#spanadd
    {
#spanend
#spanadd
        ShadingModel = Parent->GetShadingModel();
#spanend
#spanadd
    }
#spanend
#spanadd
 
#spanend
#spanadd
// start -------
#spanend
#spanadd
    if (BasePropertyOverrides.bOverride_TranslucencyLightingMode)
#spanend
#spanadd
    {
#spanend
#spanadd
        TranslucencyLightingMode = BasePropertyOverrides.TranslucencyLightingMode;
#spanend
#spanadd
    }
#spanend
#spanadd
    else
#spanend
#spanadd
    {
#spanend
#spanadd
        TranslucencyLightingMode = Parent->GetTranslucencyLightingMode();
#spanend
#spanadd
    }
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    • UMaterialInstance::Serialize
      • 「VER_LIC_COM04_VER01」は自分の改造バージョンを記述する→エンジン改造-アセットのエンジンバージョン管理 
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        #spanend
#spanadd
                    // unrelated but closest change to bug
#spanend
#spanadd
                    if( Ar.UE4Ver() < VER_UE4_STATIC_SHADOW_DEPTH_MAPS )
#spanend
#spanadd
                    {
#spanend
#spanadd
                        // switched enum order
#spanend
#spanadd
                        switch( BasePropertyOverrides.ShadingModel )
#spanend
#spanadd
                        {
#spanend
#spanadd
                            case MSM_Unlit:            BasePropertyOverrides.ShadingModel = MSM_DefaultLit; break;
#spanend
#spanadd
                            case MSM_DefaultLit:    BasePropertyOverrides.ShadingModel = MSM_Unlit; break;
#spanend
#spanadd
                        }
#spanend
#spanadd
                    }
#spanend
#spanadd
// start -------
#spanend
#spanadd
                    if( Ar.LicenseeUE4Ver() >= VER_LIC_COM04_VER01) {
#spanend
#spanadd
                        Ar << BasePropertyOverrides.bOverride_TranslucencyLightingMode << BasePropertyOverrides.TranslucencyLightingMode;
#spanend
#spanadd
                    }
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    • UMaterialInstance::GetBasePropertyOverridesHash 
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-
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      #spanend
#spanadd
    EMaterialShadingModel UsedShadingModel = GetShadingModel();
#spanend
     if (UsedShadingModel != Mat->GetShadingModel())
     {
#spanadd
        const FString HashString = TEXT("bOverride_ShadingModel");
#spanend
#spanadd
        Hash.UpdateWithString(*HashString, HashString.Len());
#spanend
#spanadd
        Hash.Update((const uint8*)&UsedShadingModel, sizeof(UsedShadingModel));
#spanend
#spanadd
        bHasOverrides = true;
#spanend
#spanadd
    }
#spanend
#spanadd
 
#spanend
#spanadd
// start -------
#spanend
#spanadd
    ETranslucencyLightingMode UsedTranslucencyLightingMode = GetTranslucencyLightingMode();
#spanend
     if (UsedTranslucencyLightingMode != Mat->GetTranslucencyLightingMode())
     {
#spanadd
        const FString HashString = TEXT("bOverride_TranslucencyLightingMode");
#spanend
#spanadd
        Hash.UpdateWithString(*HashString, HashString.Len());
#spanend
#spanadd
        Hash.Update((const uint8*)&UsedTranslucencyLightingMode, sizeof(UsedTranslucencyLightingMode));
#spanend
#spanadd
        bHasOverrides = true;
#spanend
#spanadd
    }
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    • UMaterialInstance::HasOverridenBaseProperties 
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      #spanend
#spanadd
    if (Parent && Material && Material->bUsedAsSpecialEngineMaterial == false &&
#spanend
#spanadd
        ((FMath::Abs(GetOpacityMaskClipValue() - Parent->GetOpacityMaskClipValue()) > SMALL_NUMBER) ||
#spanend
#spanadd
        (GetBlendMode() != Parent->GetBlendMode()) ||
#spanend
#spanadd
        (GetShadingModel() != Parent->GetShadingModel()) ||
#spanend
#spanadd
// start -------
#spanend
#spanadd
        (GetTranslucencyLightingMode() != Parent->GetTranslucencyLightingMode()) ||
#spanend
#spanadd
// end ---------
#spanend
#spanadd
        (IsTwoSided() != Parent->IsTwoSided()) ||
#spanend
#spanadd
        (IsDitheredLODTransition() != Parent->IsDitheredLODTransition()))
#spanend
#spanadd
        )
#spanend
#spanadd
  10. Runtime\Engine\Private\Materials\MaterialInterface.cpp
    • メソッド追加 
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-
|
|
|
|
|
!
 
 
 
 
 

      #spanend
#spanadd
// start -------
#spanend
#spanadd
ETranslucencyLightingMode UMaterialInterface::GetTranslucencyLightingMode() const
#spanend
#spanadd
{
#spanend
#spanadd
    return TLM_VolumetricNonDirectional;
#spanend
#spanadd
}
#spanend
#spanadd
// end ---------
#spanend
#spanadd
  11. Runtime\Engine\Private\Materials\MaterialShared.cpp
    • FMaterialResource::GetTranslucencyLightingMode 
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-
|
|
|
|
|
|
|
|
|
|
|
!
 
 

      #spanend
#spanadd
ETranslucencyLightingMode FMaterialResource::GetTranslucencyLightingMode() const
#spanend
#spanadd
{
#spanend
#spanadd
// start -------
#spanend
#spanadd
    return (ETranslucencyLightingMode)(MaterialInstance ? MaterialInstance->GetTranslucencyLightingMode() : Material->GetTranslucencyLightingMode());
#spanend
#spanadd
// end ---------
#spanend
#spanadd
}
#spanend
#spanadd
    • FMaterialInstanceBasePropertyOverrides::FMaterialInstanceBasePropertyOverrides 
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      #spanend
#spanadd
    ,bOverride_ShadingModel(false)
#spanend
#spanadd
    ,bOverride_DitheredLODTransition(false)
#spanend
#spanadd
    ,bOverride_TwoSided(false)
#spanend
#spanadd
// start -------
#spanend
#spanadd
    ,bOverride_TranslucencyLightingMode(false)
#spanend
#spanadd
// end ---------
#spanend
#spanadd
    ,OpacityMaskClipValue(.333333f)
#spanend
#spanadd
    • FMaterialInstanceBasePropertyOverrides::operator== 
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      #spanend
#spanadd
            bOverride_ShadingModel == Other.bOverride_ShadingModel &&
#spanend
#spanadd
            bOverride_TwoSided == Other.bOverride_TwoSided &&
#spanend
#spanadd
            bOverride_DitheredLODTransition == Other.bOverride_DitheredLODTransition &&
#spanend
#spanadd
// start -------
#spanend
#spanadd
            bOverride_TranslucencyLightingMode == Other.bOverride_TranslucencyLightingMode &&
#spanend
#spanadd
// end ---------
#spanend
#spanadd
            OpacityMaskClipValue == Other.OpacityMaskClipValue &&
#spanend
#spanadd
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