MaterialExpressionAntialiasedTextureMask.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Materials/MaterialExpressionTextureSampleParameter2D.h"
#include "MaterialExpressionAntialiasedTextureMask.generated.h"
 
class UTexture;
 
UENUM()
enum ETextureColorChannel : int
{
    TCC_Red,
    TCC_Green,
    TCC_Blue,
    TCC_Alpha,
    TCC_MAX,
};
 
UCLASS(MinimalAPI)
class UMaterialExpressionAntialiasedTextureMask : public UMaterialExpressionTextureSampleParameter2D
{
    GENERATED_UCLASS_BODY()
 
    UPROPERTY(EditAnywhere, Category=MaterialExpressionAntialiasedTextureMask, meta=(UIMin = "0.0", UIMax = "1.0", ClampMin = "0.0", ClampMax = "1.0"))
    float Threshold = 0.5f;
 
    UPROPERTY(EditAnywhere, Category=MaterialExpressionAntialiasedTextureMask)
    TEnumAsByte<enum ETextureColorChannel> Channel = TCC_Alpha;
 
#if WITH_EDITOR
    //~ Begin UMaterialExpressionTextureSampleParameter Interface
    virtual bool TextureIsValid(UTexture* InTexture, FString& OutMessage) override;
    virtual void SetDefaultTexture() override;
    //~ End UMaterialExpressionTextureSampleParameter Interface
 
    //~ Begin UMaterialExpression Interface
    virtual void Build(MIR::FEmitter& Emitter) override;
    virtual int32 Compile(class FMaterialCompiler* Compiler, int32 OutputIndex) override;
    virtual void GetCaption(TArray<FString>& OutCaptions) const override;
    //~ End UMaterialExpression Interface
#endif // WITH_EDITOR
};