MeshDescriptionProvider.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
#include "UObject/Interface.h"
#include "TargetInterfaces/MeshTargetInterfaceTypes.h"
#include "MeshDescription.h"
 
#include "MeshDescriptionProvider.generated.h"
 
UINTERFACE(MinimalAPI)
class UMeshDescriptionProvider : public UInterface
{
    GENERATED_BODY()
};
 
class IMeshDescriptionProvider
{
    GENERATED_BODY()
 
public:
    virtual const FMeshDescription* GetMeshDescription(const FGetMeshParameters& GetMeshParams = FGetMeshParameters()) = 0;
 
    virtual FMeshDescription GetEmptyMeshDescription() = 0;
 
    virtual FMeshDescription GetMeshDescriptionCopy(const FGetMeshParameters& GetMeshParams)
    {
        return *GetMeshDescription(GetMeshParams);
    }
 
    virtual TArray<EMeshLODIdentifier> GetAvailableLODs(bool bSkipAutoGenerated = true) const
    {
        TArray<EMeshLODIdentifier> DefaultLODArray;
        DefaultLODArray.Add(EMeshLODIdentifier::Default);
        return DefaultLODArray;
    }
 
    virtual EMeshLODIdentifier GetMeshDescriptionLOD() const
    {
        return EMeshLODIdentifier::Default;
    }
 
    virtual bool SupportsLODs() const
    {
        return false;
    }
 
    virtual TArray<int32> GetPolygonGroupToMaterialIndexMap() const
    {
        return TArray<int32>();
    }
 
};