37 lines
1.0 KiB
Ucode
37 lines
1.0 KiB
Ucode
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/**
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* Copyright 1998-2013 Epic Games, Inc. All Rights Reserved.
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*/
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class MaterialExpressionDesaturation extends MaterialExpression
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native(Material)
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collapsecategories
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hidecategories(Object);
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// Outputs: Lerp(Input,dot(Input,LuminanceFactors)),Percent)
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var ExpressionInput Input;
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var ExpressionInput Percent;
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var() LinearColor LuminanceFactors; // Color component factors for converting a color to greyscale.
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cpptext
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{
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virtual INT Compile(FMaterialCompiler* Compiler, INT OutputIndex);
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virtual FString GetCaption() const
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{
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return TEXT("Desaturation");
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}
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/**
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* Replaces references to the passed in expression with references to a different expression or NULL.
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* @param OldExpression Expression to find reference to.
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* @param NewExpression Expression to replace reference with.
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*/
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virtual void SwapReferenceTo(UMaterialExpression* OldExpression,UMaterialExpression* NewExpression = NULL);
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}
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defaultproperties
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{
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LuminanceFactors=(R=0.3,G=0.59,B=0.11,A=0)
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MenuCategories(0)="Color"
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MenuCategories(1)="Utility"
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}
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