MaterialProvider.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/Interface.h"
 
#include "MaterialProvider.generated.h"
 
class UMaterialInterface;
 
struct FComponentMaterialSet
{
    TArray<UMaterialInterface*> Materials;
 
    bool operator!=(const FComponentMaterialSet& Other) const
    {
        return Materials != Other.Materials;
    }
};
 
UINTERFACE(MinimalAPI)
class UMaterialProvider : public UInterface
{
    GENERATED_BODY()
};
 
class IMaterialProvider
{
    GENERATED_BODY()
 
public:
 
    virtual int32 GetNumMaterials() const = 0;
 
    virtual UMaterialInterface* GetMaterial(int32 MaterialIndex) const = 0;
 
    virtual void GetMaterialSet(FComponentMaterialSet& MaterialSetOut, bool bPreferAssetMaterials = false) const = 0;
 
    virtual bool CommitMaterialSetUpdate(const FComponentMaterialSet& MaterialSet, bool bApplyToAsset) = 0;
};