SkeletalMeshModel.h

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// Copyright Epic Games, Inc. All Rights Reserved.
 
#pragma once
 
#if WITH_EDITOR
 
#include "CoreMinimal.h"
#include "Containers/IndirectArray.h"
#include "Rendering/SkeletalMeshLODModel.h"
 
class FSkeletalMeshLODModel;
class USkeletalMesh;
class USkinnedAsset;
class FArchive;
 
class FSkeletalMeshModel
{
public:
    FGuid SkeletalMeshModelGUID;
    bool bGuidIsHash;
 
    TIndirectArray<FSkeletalMeshLODModel> LODModels;
 
    ENGINE_API FSkeletalMeshModel();
 
#if WITH_EDITOR
    ENGINE_API void GenerateNewGUID();
 
    void GenerateGUIDFromHash(USkinnedAsset* Owner);
 
    ENGINE_API FString GetIdString() const;
 
    ENGINE_API void SyncronizeLODUserSectionsData();
 
    ENGINE_API FString GetLODModelIdString() const;
 
    ENGINE_API void EmptyOriginalReductionSourceMeshData();
    
    /* When user reduce an imported LOD with itself (BaseLOD == TargetLOD), we need to store some imported model data so we can reduce again from the same data.*/
    /* We do not need to store such a data, since we can use the USkeletalMesh::MeshEditorDataObject which have the imported data */
    TArray<FReductionBaseSkeletalMeshBulkData*> OriginalReductionSourceMeshData_DEPRECATED;
 
    /* When user reduce an imported LOD with itself (BaseLOD == TargetLOD), we need to store the geometry count (vertex count and triangle count).
    We use this data to query if the reduction is active when the reduction criterion is an absolute vertex/triangle number*/
    TArray<FInlineReductionCacheData> InlineReductionCacheDatas;
#endif
 
    ENGINE_API void Serialize(FArchive& Ar, USkinnedAsset* Owner);
 
    void GetResourceSizeEx(FResourceSizeEx& CumulativeResourceSize);
};
 
#endif // WITH_EDITOR