Crate uesave 

A library for reading and writing Unreal Engine save files (commonly referred to as GVAS).

It has been tested on an extensive set of object structures and can fully read and write Deep Rock Galactic save files (and likely a lot more).

There is a small binary utility to quickly convert saves to and from a plain text JSON format which can be used for manual save editing.

Example

use std::fs::File;

use uesave::{Property, Save};

let save = Save::read(&mut File::open("drg-save-test.sav")?)?;
match save.root.properties["NumberOfGamesPlayed"] {
    Property::Int(value) => {
        assert_eq!(2173, value);
    }
    _ => {}
}

Structs

Box

Box2D

Color

CustomFormatData

Delegate

Double

FFormatArgumentData

FGuid

FKeyHandleMap

FNumberFormattingOptions

FPerPlatformFloat

FRichCurveKey

FSkeletalMeshSamplingLODBuiltData

FWeightedRandomSampler

FieldPath

Float

GameplayTag

GameplayTagContainer

Header

IntPoint

IntVector

LinearColor

MapEntry

MulticastDelegate

MulticastInlineDelegate

MulticastSparseDelegate

PackageVersion

ParseError

Properties

PropertyKey

PropertySchemas

Storage for property schemas (tags) separated from property data. Maps property paths to their type metadata.

PropertyTagPartial

Quat

Root

Root struct inside a save file which holds both the Unreal Engine class name and list of properties

Rotator

Save

SaveGameArchiveType

Archive type for save games, which use string-based object references

SaveReader

Scope

Represents the current position in the property hierarchy as a stack of names. Used for looking up type hints in the Types map.

SoftClassPath

Text

Types

Used to disambiguate types within a [Property::Set] or [Property::Map] during parsing.

UniqueNetIdRepl

UniqueNetIdReplInner

Vector

Vector4

Vector2D

Enums

Byte

Just a plain byte, or an enum in which case the variant will be a String

ByteArray

Vectorized Byte

Error

FFormatArgumentDataValue

FFormatArgumentValue

Property

Properties consist of a value and are present in Root and StructValue::Struct Property schemas (tags) are stored separately in PropertySchemas

PropertyTagDataPartial

PropertyType

SoftObjectPath

StructType

StructValue

TextVariant

ValueVec

Vectorized properties to avoid storing the variant with each value

Traits

ArchiveReader

ArchiveType

Defines the type system for an archive format.

ArchiveWriter

VersionInfo

Functions

read_properties_until_none

write_properties_none_terminated