MaterialExpressionColorRamp.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "MaterialExpressionIO.h"
#include "Materials/MaterialExpression.h"
#include "Curves/CurveLinearColor.h"
#include "MaterialExpressionColorRamp.generated.h"
 
UCLASS(MinimalAPI)
class UMaterialExpressionColorRamp : public UMaterialExpression
{
    GENERATED_BODY()
 
public:
    UPROPERTY(meta = (RequiredInput = "false", ToolTip = "Defaults to 'ConstInput' if not specified"))
    FExpressionInput Input;
 
    UPROPERTY(EditAnywhere, Category = "MaterialExpressionColorRamp", meta = (OverridingInputProperty = "Input"))
    float ConstInput = 0.5f;
 
    UPROPERTY(EditAnywhere, Instanced, Category = "MaterialExpressionColorRamp")
    TObjectPtr<UCurveLinearColor> ColorCurve;
 
    UMaterialExpressionColorRamp(const FObjectInitializer& ObjectInitializer);
 
    //~ Begin UObject Interface
    virtual void Serialize(FArchive& Ar) override;
    //~ End UObject Interface
 
    //~ Begin UMaterialExpression Interface
#if WITH_EDITOR
    virtual void Build(MIR::FEmitter& Emitter) override;
    virtual int32 Compile(class FMaterialCompiler* Compiler, int32 OutputIndex) override;
    virtual void GetCaption(TArray<FString>& OutCaptions) const override;
    virtual void HandleCurvePropertyChanged(UCurveBase* Curve, EPropertyChangeType::Type ChangeType);
#endif // WITH_EDITOR
    //~ End UMaterialExpression Interface
};