MaterialExpressionFontSample.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
 
#pragma once
 
#include "CoreMinimal.h"
#include "Engine/EngineTypes.h"
#include "Materials/MaterialExpression.h"
#include "RHIShaderPlatform.h"
#include "Templates/Tuple.h"
#include "UObject/ObjectMacros.h"
 
#include "MaterialExpressionFontSample.generated.h"
 
class UTexture;
class ITargetPlatform;
 
namespace UE
{
namespace Shader
{
struct FTextureValue;
}
}
 
UCLASS(collapsecategories, hidecategories=Object, MinimalAPI)
class UMaterialExpressionFontSample : public UMaterialExpression
{
    GENERATED_UCLASS_BODY()
 
    
    UPROPERTY(EditAnywhere, Category=MaterialExpressionFontSample)
    TObjectPtr<class UFont> Font;
 
    UPROPERTY(EditAnywhere, Category=MaterialExpressionFontSample)
    int32 FontTexturePage;
 
 
    //~ 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 bool MatchesSearchQuery(const TCHAR* SearchQuery) override;
    virtual int32 GetWidth() const override;
    virtual int32 GetLabelPadding() override { return 8; }
#endif
 
    virtual UObject* GetReferencedTexture() const override;
 
    virtual bool CanReferenceTexture() const override { return true; }
    //~ End UMaterialExpression Interface
 
protected:
    TTuple<bool, UTexture*, EMaterialSamplerType, FString> ValidateAndGetTextureSampler(EShaderPlatform ShaderPlatform, const ITargetPlatform* TargetPlatform);
};