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2b10993563
#jira UETOOL-3823 #rb brooke.hubert #preflight 6109d1e9b4288d0001acb7ef [CL 17055606 by michael balzer in ue5-main branch]
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
// Copyright Epic Games, Inc. All Rights Reserved.
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#pragma once
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#include "CoreMinimal.h"
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#include "UObject/Interface.h"
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#include "MaterialProvider.generated.h"
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class UMaterialInterface;
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/**
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* FComponentMaterialSet is the set of materials assigned to a component (ie Material Slots on a StaticMesh)
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*/
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struct INTERACTIVETOOLSFRAMEWORK_API FComponentMaterialSet
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{
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TArray<UMaterialInterface*> Materials;
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bool operator!=(const FComponentMaterialSet& Other) const
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{
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return Materials != Other.Materials;
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}
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};
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UINTERFACE()
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class INTERACTIVETOOLSFRAMEWORK_API UMaterialProvider : public UInterface
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{
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GENERATED_BODY()
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};
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class INTERACTIVETOOLSFRAMEWORK_API IMaterialProvider
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{
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GENERATED_BODY()
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public:
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/** @return number of material indices in use by this Component */
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virtual int32 GetNumMaterials() const = 0;
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/**
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* Get pointer to a Material provided by this Source
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* @param MaterialIndex index of the material
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* @return MaterialInterface pointer, or null if MaterialIndex is invalid
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*/
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virtual UMaterialInterface* GetMaterial(int32 MaterialIndex) const = 0;
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/**
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* Get material set provided by this source
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* @param MaterialSetOut returned material set
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* @param bAssetMaterials Prefer the underlying asset materials. This may be ignored by targets
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* to which this is not relevant.
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*/
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virtual void GetMaterialSet(FComponentMaterialSet& MaterialSetOut, bool bPreferAssetMaterials = false) const = 0;
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/**
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* Commit an update to the material set. This may generate a transaction.
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*
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* Note that a target may not allow applying the material to an underlying asset, or may not even
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* allow having the material applied to the instance, in which case the function will return false
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* without doing anything.
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*
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* TODO: We may decide that we want some functions to query whether the object allows
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* one or the other, or we may break this out into a separate interface. We'll wait to
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* see when this actually becomes necessary to see the most convenient way to go at that
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* point.
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*
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* @param MaterialSet new list of materials
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* @return true if successful
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*/
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virtual bool CommitMaterialSetUpdate(const FComponentMaterialSet& MaterialSet, bool bApplyToAsset) = 0;
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}; |