MaterialExpressionTextureBase.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/ObjectMacros.h"
#include "Materials/MaterialExpression.h"
#include "MaterialExpressionTextureBase.generated.h"
 
class UTexture;
struct FPropertyChangedEvent;
enum EMaterialSamplerType : int;
enum EShaderPlatform : uint16;
 
UCLASS(abstract, hidecategories=Object, MinimalAPI)
class UMaterialExpressionTextureBase : public UMaterialExpression 
{
    GENERATED_BODY()
 
public:
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=MaterialExpressionTextureBase)
    TObjectPtr<UTexture> Texture;
 
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category=MaterialExpressionTextureBase, meta = (ShowAsInputPin = "Advanced"))
    TEnumAsByte<EMaterialSamplerType> SamplerType;
    
    UPROPERTY(EditAnywhere, Category=MaterialExpressionTextureBase)
    uint8 IsDefaultMeshpaintTexture:1 = false;
    
    //~ Begin UObject Interface
#if WITH_EDITOR
    ENGINE_API virtual void PostEditChangeProperty(FPropertyChangedEvent& PropertyChangedEvent) override;
#endif // WITH_EDITOR
    //~ End UObject Interface
 
    //~ Begin UMaterialExpression Interface
#if WITH_EDITOR
    ENGINE_API virtual FString GetDescription() const override;
    ENGINE_API virtual bool MatchesSearchQuery(const TCHAR* SearchQuery) override;
    ENGINE_API virtual FText GetPreviewOverlayText() const override;
#endif
    //~ End UMaterialExpression Interface
 
    ENGINE_API virtual UObject* GetReferencedTexture() const override;
    virtual bool CanReferenceTexture() const override { return true; }
 
#if WITH_EDITOR
    ENGINE_API void AutoSetSampleType();
 
    static ENGINE_API EMaterialSamplerType GetSamplerTypeForTexture( const UTexture* Texture, bool ForceNoVT = false );
 
    static ENGINE_API bool VerifySamplerType(
        const FString& TexturePathName,
        EMaterialSamplerType CorrectSamplerType,
        bool bSRGB,
        EMaterialSamplerType SamplerType,
        FString& OutErrorMessage);
 
    static ENGINE_API bool VerifySamplerType(
        EShaderPlatform ShaderPlatform,
        const ITargetPlatform* TargetPlatform,
        const UTexture* Texture,
        EMaterialSamplerType SamplerType,
        FString& OutErrorMessage);
#endif // WITH_EDITOR
};