FPackageFileSummary

source: https://dev.epicgames.com/documentation/en-us/unreal-engine/API/Runtime/CoreUObject/FPackageFileSummary?application_version=5.6 version: UE 5.6 API（5.8 与 5.0/5.3/5.5 版本页返回 403 或目录） 官方文档 fetched: 2026-10-11 (curl)

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FPackageFileSummary | Unreal Engine 5.6 Documentation | Epic Developer Community Table of Contents Developer FPackageFileSummary FPackageFileSummary A "table of contents" for an Unreal package file. Stored at the top of the file. On this page Navigation API > API/Runtime > API/Runtime/CoreUObject A "table of contents" for an Unreal package file. Stored at the top of the file. Name FPackageFileSummary Type struct Header File /Engine/Source/Runtime/CoreUObject/Public/UObject/PackageFileSummary.h Include Path #include "UObject/PackageFileSummary.h" Syntax struct FPackageFileSummary Copy full snippet struct FPackageFileSummary Constructors Name Remarks Include Path Unreal Specifiers FPackageFileSummary ( const FPackageFileSummary & ) UObject/PackageFileSummary.h PRAGMA_DISABLE_DEPRECATION_WARNINGS FPackageFileSummary ( FPackageFileSummary && ) Workaround for clang deprecation warnings for deprecated members in implicit constructors. UObject/PackageFileSummary.h FPackageFileSummary () Constructor UObject/PackageFileSummary.h Variables Public Name Type Remarks Include Path Unreal Specifiers AssetRegistryDataOffset int32 Location into the file on disk for the asset registry tag data UObject/PackageFileSummary.h BulkDataStartOffset int64 Offset to the location in the file where the bulkdata starts UObject/PackageFileSummary.h bUnversioned bool If true, this file will not be saved with version numbers or was saved without version numbers. UObject/PackageFileSummary.h CellExportCount int32 Number of cells contained in this package UObject/PackageFileSummary.h CellExportOffset int32 Location into the file on disk for the CellExportMap data UObject/PackageFileSummary.h CellImportCount int32 Number of cell imports contained in this package UObject/PackageFileSummary.h CellImportOffset int32 Location into the file on disk for the CellImportMap data UObject/PackageFileSummary.h ChunkIDs TArray < int32 > Streaming install ChunkIDs UObject/PackageFileSummary.h CompatibleWithEngineVersion FEngineVersion Engine version this package is compatible with. UObject/PackageFileSummary.h CompressionFlags uint32 Flags used to compress the file on save and uncompress on load. UObject/PackageFileSummary.h DataResourceOffset int32 Location into the file of the data resource(s) UObject/PackageFileSummary.h DependsOffset int32 Location into the file on disk for the DependsMap data UObject/PackageFileSummary.h ExportCount int32 Number of exports contained in this package UObject/PackageFileSummary.h ExportOffset int32 Location into the file on disk for the ExportMap data UObject/PackageFileSummary.h GatherableTextDataCount int32 Number of gatherable text data items in this package UObject/PackageFileSummary.h GatherableTextDataOffset int32 Location into the file on disk for the gatherable text data items UObject/PackageFileSummary.h Generations TArray < FGenerationInfo > Data about previous versions of this package UObject/PackageFileSummary.h ImportCount int32 Number of imports contained in this package UObject/PackageFileSummary.h ImportOffset int32 Location into the file on disk for the ImportMap data UObject/PackageFileSummary.h LocalizationId FString Localization ID of this package UObject/PackageFileSummary.h MetaDataOffset int32 Location into the file on disk for the MetaData data UObject/PackageFileSummary.h NameCount int32 Number of names used in this package UObject/PackageFileSummary.h NameOffset int32 Location into the file on disk for the name data UObject/PackageFileSummary.h NamesReferencedFromExportDataCount int32 Number of names that are referenced from serialized export data (sorted first in the name map) UObject/PackageFileSummary.h PackageName FString The package name the file was last saved with. UObject/PackageFileSummary.h PackageSource uint32 Value that is used to determine if the package was saved by Epic (or licensee) or by a modder, etc UObject/PackageFileSummary.h PayloadTocOffset int64 Location into the file on disk for the payload table of contents data UObject/PackageFileSummary.h PersistentGuid FGuid Current persistent id for this package UObject/PackageFileSummary.h PreloadDependencyCount int32 UObject/PackageFileSummary.h PreloadDependencyOffset int32 Location into the file on disk for the preload dependency data UObject/PackageFileSummary.h SavedByEngineVersion FEngineVersion Engine version this package was saved with. UObject/PackageFileSummary.h SearchableNamesOffset int32 Location into the file on disk for the SearchableNamesMap data UObject/PackageFileSummary.h SoftObjectPathsCount int32 Number of soft object paths references contained in this package UObject/PackageFileSummary.h SoftObjectPathsOffset int32 Location into the file on disk for the soft object paths reference list UObject/PackageFileSummary.h SoftPackageReferencesCount int32 Number of soft package references contained in this package UObject/PackageFileSummary.h SoftPackageReferencesOffset int32 Location into the file on disk for the soft package reference list UObject/PackageFileSummary.h Tag int32 Magic tag compared against PACKAGE_FILE_TAG to ensure that package is an Unreal package. UObject/PackageFileSummary.h ThumbnailTableOffset int32 Thumbnail table offset UObject/PackageFileSummary.h TotalHeaderSize int32 Total size of all information that needs to be read in to create a FLinkerLoad . UObject/PackageFileSummary.h WorldTileInfoDataOffset int32 Offset to the location in the file where the FWorldTileInfo data starts UObject/PackageFileSummary.h Protected Name Type Remarks Include Path Unreal Specifiers CustomVersionContainer FCustomVersionContainer Custom version numbers. Keyed off a unique tag for each custom component. UObject/PackageFileSummary.h FileVersionLicenseeUE int32 Licensee file version UObject/PackageFileSummary.h FileVersionUE FPackageFileVersion UE file version UObject/PackageFileSummary.h PackageFlags uint32 The flags for the package UObject/PackageFileSummary.h SavedHash FIoHash Hash of the Package's bytes when it was saved to disk. Accessed through GetSavedHash/SetSavedHash. UObject/PackageFileSummary.h Functions Public Name Remarks Include Path Unreal Specifiers const FCustomVersionContainer & GetCustomVersionContainer() UObject/PackageFileSummary.h int32 GetFileVersionLicenseeUE() UObject/PackageFileSummary.h int32 GetFileVersionLicenseeUE4() UObject/PackageFileSummary.h FPackageFileVersion GetFileVersionUE() UObject/PackageFileSummary.h int32 GetFileVersionUE4() UObject/PackageFileSummary.h uint32 GetPackageFlags() Get the summary package flags. UObject/PackageFileSummary.h FIoHash GetSavedHash() Hash of the package's .uasset/.umap file when it was last saved by the editor. UObject/PackageFileSummary.h int64 GetSavedHashRelativeOffset() UObject/PackageFileSummary.h bool IsFileVersionTooNew() Returns true if any of the package file versions are newer than currently supported by the running process UObject/PackageFileSummary.h bool IsFileVersionTooOld() Returns true if any of the package file versions are older than the minimum supported versions UObject/PackageFileSummary.h bool IsFileVersionValid () Returns false if the summary is unversioned and the current process does not support that. UObject/PackageFileSummary.h void SetCustomVersionContainer ( const FCustomVersionContainer & InContainer ) UObject/PackageFileSummary.h void SetFileVersions ( const int32 EpicUE, const int32 LicenseeUE, const bool bInSaveUnversioned ) UObject/PackageFileSummary.h void SetFileVersions ( const int32 EpicUE4, const int32 EpicUE5, const int32 LicenseeUE, const bool bInSaveUnversioned ) Used to manually set the package file and licensee versions UObject/PackageFileSummary.h void SetPackageFlags ( uint32 InPackageFlags ) Set the summary package flags while stripping out temporary flags (i.e. NewlyCreated, IsSaving) UObject/PackageFileSummary.h void SetSavedHash ( const FIoHash & InSavedHash ) UObject/PackageFileSummary.h void SetToLatestFileVersions ( const bool bInSaveUnversioned ) Set both the package file versions and the licensee version to the most recent version numbers supported UObject/PackageFileSummary.h Operators Name Remarks Include Path Unreal Specifiers FPackageFileSummary & operator= ( FPackageFileSummary && ) UObject/PackageFileSummary.h FPackageFileSummary & operator= ( const FPackageFileSummary & ) UObject/PackageFileSummary.h Ask questions and help your peers Developer Forums Write your own tutorials or read those from others Learning Library On this page Navigation Syntax Constructors Variables Public Protected Functions Public Operators