FPackageTrailer

The package trailer should only ever stored the payloads in the workspace domain.

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References

Module	CoreUObject
Header	/Engine/Source/Runtime/CoreUObject/Public/UObject/PackageTrailer.h
Include	#include "UObject/PackageTrailer.h"

Syntax

class FPackageTrailer

Remarks

The package trailer should only ever stored the payloads in the workspace domain. If the package trailer is in the editor domain then it's values should be valid, but when loading non-virtualized payloads they need to come from the workspace domain package.

Constructors

	Name	Description
	FPackageTrailer()
	FPackageTrailer ( const FPackageTrailer& Other )
	FPackageTrailer ( FPackageTrailer&& Other )

Destructors

	Name	Description
	~FPackageTrailer()

Functions

	Name	Description
int64	FindPayloadOffsetInFile ( const Virtualization::FPayloadId& ... )	Returns the absolute offset of the payload in the package file, invalid and virtualized payloads will return INDEX_NONE
EPayloadStat...	FindPayloadStatus ( const Virtualization::FPayloadId& ... )	Attempt to find the status of the given payload. EPayloadStatus
int32	GetNumPayloads ( EPayloadFilter Type )	Returns the number of payloads that the trailer owns that match the given filter type.
TArray< Virt...	GetPayloads ( EPayloadFilter Type )	Returns an array of the payloads that match the given filter type. EPayloadType
int64	GetTrailerLength()	Returns the total size of the of the trailer on disk in bytes
bool	IsEnabled()	Returns if the feature is enabled or disabled.
FCompressedB...	LoadLocalPayload ( const Virtualization::FPayloadId& ..., FArchive& Ar )	Loads a payload that is stored locally within the package trailer.
bool	TryLoad ( FArchive& Ar )	Serializes the trailer from the given archive assuming that the seek position of the archive is already at the correct position for the trailer.
bool	TryLoadBackwards ( FArchive& Ar )	Serializes the trailer from the given archive BUT assumes that the seek position of the archive is at the end of the trailer and so will attempt to read the footer first and use that to find the start of the trailer in order to read the header.
bool	TryLoadFromPackage ( const FPackagePath& PackagePath, FPackageTrailer& OutTrailer )	Try to load a trailer from a given package path.
bool	UpdatePayloadAsVirtualized ( const Virtualization::FPayloadId& ... )	Calling this indicates that the payload has been virtualized and will no longer be stored on disk.

Operators

		Name	Description
	FPackageTrai...	operator= ( FPackageTrailer&& Other )
	FPackageTrai...	operator= ( const FPackageTrailer& Other )

Classes

	Name	Description
	FFooter
	FHeader