/// <summary>
/// Reads out an FBlueprintText from a BinaryReader.
/// </summary>
/// <param name="reader">The BinaryReader to read from.</param>
public virtual void Read(AssetBinaryReader reader)
{
TextLiteralType = (EBlueprintTextLiteralType)reader.ReadByte();
switch (TextLiteralType)
{
case EBlueprintTextLiteralType.Empty:
break;
case EBlueprintTextLiteralType.LocalizedText:
LocalizedSource = ExpressionSerializer.ReadExpression(reader);
LocalizedKey = ExpressionSerializer.ReadExpression(reader);
LocalizedNamespace = ExpressionSerializer.ReadExpression(reader);
break;
case EBlueprintTextLiteralType.InvariantText: // IsCultureInvariant
InvariantLiteralString = ExpressionSerializer.ReadExpression(reader);
break;
case EBlueprintTextLiteralType.LiteralString:
LiteralString = ExpressionSerializer.ReadExpression(reader);
break;
case EBlueprintTextLiteralType.StringTableEntry:
StringTableAsset = reader.XFER_OBJECT_POINTER();
StringTableId = ExpressionSerializer.ReadExpression(reader);
StringTableKey = ExpressionSerializer.ReadExpression(reader);
break;
default:
throw new NotImplementedException("Unimplemented blueprint text literal type " + TextLiteralType);
}
}
public void TestCustomSerializationStructsInMap()
{
var tester = new UAsset(Path.Combine("TestCustomSerializationStructsInMap", "wtf.uasset"), UE4Version.VER_UE4_25);
Assert.IsTrue(tester.VerifyBinaryEquality());
// Get the map property in export 2
Export exportTwo = FPackageIndex.FromRawIndex(2).ToExport(tester);
Assert.IsTrue(exportTwo is NormalExport);
NormalExport exportTwoNormal = (NormalExport)exportTwo;
var mapPropertyName = FName.FromString("KekWait");
MapPropertyData testMap = exportTwoNormal[mapPropertyName] as MapPropertyData;
Assert.IsNotNull(testMap);
Assert.IsTrue(testMap == exportTwoNormal[mapPropertyName.Value.Value]);
// Get the first entry of the map
StructPropertyData entryKey = testMap?.Value?.Keys?.ElementAt(0) as StructPropertyData;
StructPropertyData entryValue = testMap?.Value?[0] as StructPropertyData;
Assert.IsNotNull(entryKey?.Value?[0]);
Assert.IsNotNull(entryValue?.Value?[0]);
// Check that the properties are correct
Assert.IsTrue(entryKey.Value[0] is VectorPropertyData);
Assert.IsTrue(entryValue.Value[0] is LinearColorPropertyData);
}
/// <summary>
/// Reads out the expression from a BinaryReader.
/// </summary>
/// <param name="reader">The BinaryReader to read from.</param>
public override void Read(AssetBinaryReader reader)
{
InnerProperty = reader.XFERPTR();
int numEntries = reader.ReadInt32(); // Number of elements
Elements = reader.ReadExpressionArray(EExprToken.EX_EndArrayConst);
}
public FObjectImport(FAssetArchive Ar)
{
ClassPackage = Ar.ReadFName();
ClassName = Ar.ReadFName();
OuterIndex = new FPackageIndex(Ar);
ObjectName = Ar.ReadFName();
}
public FPackageIndex AreaClass; // UNavArea
public override void Deserialize(FAssetArchive Ar, long validPos)
{
base.Deserialize(Ar, validPos);
var startPos = Ar.Position;
int version;
var myMagic = Ar.Read <uint>();
if (myMagic != Consts.Magic)
{
version = Consts.Initial;
Ar.Position = startPos;
}
else
{
version = Ar.Read <int>();
}
var _ = Ar.Read <FGuid>(); // Zeroed GUID, unused
var bCooked = Ar.ReadBoolean();
if (bCooked)
{
CookedFormatData = new FFormatContainer(Ar);
}
if (version >= Consts.AreaClass)
{
AreaClass = new FPackageIndex(Ar);
}
}
public override void Deserialize(FAssetArchive Ar, long validPos)
{
base.Deserialize(Ar, validPos);
PersistentLevel = new FPackageIndex(Ar);
ExtraReferencedObjects = Ar.ReadArray(() => new FPackageIndex(Ar));
StreamingLevels = Ar.ReadArray(() => new FPackageIndex(Ar));
}
public override void Read(AssetBinaryReader reader)
{
base.Read(reader);
Enum = new FPackageIndex(reader.ReadInt32());
UnderlyingProp = new FPackageIndex(reader.ReadInt32());
}
public FTextureParameterValue(FStructFallback fallback)
{
ParameterName = fallback.GetOrDefault <FName>(nameof(ParameterName));
ParameterInfo = fallback.GetOrDefault <FMaterialParameterInfo>(nameof(ParameterInfo));
ParameterValue = fallback.GetOrDefault <FPackageIndex>(nameof(ParameterValue));
ExpressionGUID = fallback.GetOrDefault <FGuid>(nameof(ExpressionGUID));
}
public virtual void Read(AssetBinaryReader reader)
{
if (reader.Asset.GetCustomVersion <FFrameworkObjectVersion>() < FFrameworkObjectVersion.RemoveUField_Next)
{
Next = new FPackageIndex(reader.ReadInt32());
}
}
//public bool bImportPackageHandled { get; } unused for serialization
//public bool bImportSearchedFor { get; }
//public bool bImportFailed { get; }
internal FObjectImport(PackageReader reader)
{
ClassPackage = reader.ReadFName();
ClassName = reader.ReadFName();
OuterIndex = new FPackageIndex(reader);
ObjectName = reader.ReadFName();
}
public FZoneProperties(FAssetArchive Ar)
{
ZoneActor = new FPackageIndex(Ar);
Connectivity = Ar.Read <FZoneSet>();
Visibility = Ar.Read <FZoneSet>();
LastRenderTime = Ar.Read <float>();
}
public void TestCDOModification()
{
var tester = new UAsset(Path.Combine("TestManyAssets", "Astroneer", "Augment_BroadBrush.uasset"), UE4Version.VER_UE4_23);
Assert.IsTrue(tester.VerifyBinaryEquality());
NormalExport cdoExport = null;
foreach (Export testExport in tester.Exports)
{
if (testExport.ObjectFlags.HasFlag(EObjectFlags.RF_ClassDefaultObject))
{
cdoExport = (NormalExport)testExport;
break;
}
}
Assert.IsNotNull(cdoExport);
cdoExport["PickupActor"] = new ObjectPropertyData()
{
Value = FPackageIndex.FromRawIndex(0)
};
Assert.IsTrue(cdoExport["PickupActor"] is ObjectPropertyData);
Assert.IsTrue(((ObjectPropertyData)cdoExport["PickupActor"]).Value.Index == 0);
}
public FPackageIndex ScriptStruct; // UScriptStruct
public FRigVMParameter(FAssetArchive Ar)
{
Type = Ar.Read <ERigVMParameterType>();
Name = Ar.ReadFName();
RegisterIndex = Ar.Read <int>();
CPPType = Ar.ReadFString();
ScriptStruct = new FPackageIndex(Ar);
}
private ExportLoader?ResolveLoader(FPackageIndex index)
{
if (index.IsExport)
{
return(_package._exportLoaders[index.Index - 1]);
}
return(null);
}
} // UMaterialInterface[]
public override void Deserialize(FAssetArchive Ar, long validPos)
{
base.Deserialize(Ar, validPos);
var stripDataFlags = Ar.Read <FStripDataFlags>();
bCooked = Ar.ReadBoolean();
BodySetup = new FPackageIndex(Ar);
if (Ar.Ver >= EUnrealEngineObjectUE4Version.STATIC_MESH_STORE_NAV_COLLISION)
{
NavCollision = new FPackageIndex(Ar);
}
if (!stripDataFlags.IsEditorDataStripped())
{
Log.Warning("Static Mesh with Editor Data not implemented yet");
Ar.Position = validPos;
return;
// if (Ar.Ver < UE4Version.VER_UE4_DEPRECATED_STATIC_MESH_THUMBNAIL_PROPERTIES_REMOVED)
// {
// var dummyThumbnailAngle = Ar.Read<FRotator>();
// var dummyThumbnailDistance = Ar.Read<float>();
// }
// var highResSourceMeshName = Ar.ReadFString();
// var highResSourceMeshCRC = Ar.Read<uint>();
}
LightingGuid = Ar.Read <FGuid>(); // LocalLightingGuid
Sockets = Ar.ReadArray(() => new FPackageIndex(Ar));
RenderData = new FStaticMeshRenderData(Ar, bCooked);
if (bCooked && Ar.Game is >= EGame.GAME_UE4_20 and < EGame.GAME_UE5_0)
{
var bHasOccluderData = Ar.ReadBoolean();
if (bHasOccluderData)
{
Ar.ReadArray <FVector>(); // Vertices
Ar.ReadArray <ushort>(); // Indices
}
}
if (Ar.Game >= EGame.GAME_UE4_14)
{
var bHasSpeedTreeWind = Ar.ReadBoolean();
if (bHasSpeedTreeWind)
{
Ar.Position = validPos;
return;
}
if (FEditorObjectVersion.Get(Ar) >= FEditorObjectVersion.Type.RefactorMeshEditorMaterials)
{
// UE4.14+ - "Materials" are deprecated, added StaticMaterials
StaticMaterials = Ar.ReadArray(() => new FStaticMaterial(Ar));
}
}
if (StaticMaterials is { Length : > 0 })
public override void Deserialize(FAssetArchive Ar, long validPos)
{
base.Deserialize(Ar, validPos);
const int StripVertexBufferFlag = 1;
var stripData = new FStripDataFlags(Ar);
Bounds = Ar.Read <FBoxSphereBounds>();
Vectors = Ar.ReadBulkArray <FVector>();
Points = Ar.ReadBulkArray <FVector>();
Nodes = Ar.ReadBulkArray <FBspNode>();
if (Ar.Ver < EUnrealEngineObjectUE4Version.BSP_UNDO_FIX)
{
var surfsOwner = new FPackageIndex(Ar);
Surfs = Ar.ReadArray(() => new FBspSurf(Ar));
}
else
{
Surfs = Ar.ReadArray(() => new FBspSurf(Ar));
}
Verts = Ar.ReadBulkArray <FVert>();
NumSharedSides = Ar.Read <int>();
if (Ar.Ver < EUnrealEngineObjectUE4Version.REMOVE_ZONES_FROM_MODEL)
{
var dummyZones = Ar.ReadArray <FZoneProperties>();
}
var bHasEditorOnlyData = !Ar.IsFilterEditorOnly || Ar.Ver < EUnrealEngineObjectUE4Version.REMOVE_UNUSED_UPOLYS_FROM_UMODEL;
if (bHasEditorOnlyData)
{
var dummyPolys = new FPackageIndex(Ar);
Ar.SkipBulkArrayData(); // DummyLeafHulls
Ar.SkipBulkArrayData(); // DummyLeaves
}
RootOutside = Ar.ReadBoolean();
Linked = Ar.ReadBoolean();
if (Ar.Ver < EUnrealEngineObjectUE4Version.REMOVE_ZONES_FROM_MODEL)
{
var dummyPortalNodes = Ar.ReadBulkArray <int>();
}
NumUniqueVertices = Ar.Read <uint>();
if (!stripData.IsEditorDataStripped() || !stripData.IsClassDataStripped(StripVertexBufferFlag))
{
VertexBuffer = new FModelVertexBuffer(Ar);
}
LightingGuid = Ar.Read <FGuid>();
LightmassSettings = Ar.ReadArray(() => new FLightmassPrimitiveSettings(Ar));
}
public FRigVMRegisterOffset(FAssetArchive Ar)
{
Segments = Ar.ReadArray <int>();
Type = Ar.Read <ERigVMRegisterType>();
CPPType = Ar.ReadFName();
ScriptStruct = new FPackageIndex(Ar);
ElementSize = Ar.Read <ushort>();
ParentScriptStruct = new FPackageIndex(Ar);
CachedSegmentPath = Ar.ReadFString();
ArrayIndex = Ar.Read <int>();
}
public override void Deserialize(FAssetArchive Ar, long validPos)
{
base.Deserialize(Ar, validPos);
Skeleton = GetOrDefault <FPackageIndex>(nameof(Skeleton));
if (Ar.Ver >= EUnrealEngineObjectUE4Version.SKELETON_GUID_SERIALIZATION)
{
SkeletonGuid = Ar.Read <FGuid>();
}
}
/// <summary>
/// Reads out the expression from a BinaryReader.
/// </summary>
/// <param name="reader">The BinaryReader to read from.</param>
public override void Read(AssetBinaryReader reader)
{
if (reader.Asset.EngineVersion >= UE4Version.VER_UE4_CHANGE_SETARRAY_BYTECODE)
{
AssigningProperty = ExpressionSerializer.ReadExpression(reader);
}
else
{
ArrayInnerProp = reader.XFERPTR();
}
Elements = reader.ReadExpressionArray(EExprToken.EX_EndArray);
}
public override void Deserialize(FAssetArchive Ar, long validPos)
{
base.Deserialize(Ar, validPos);
Actors = Ar.ReadArray(() => new FPackageIndex(Ar));
URL = new FURL(Ar);
Model = new FPackageIndex(Ar);
ModelComponents = Ar.ReadArray(() => new FPackageIndex(Ar));
LevelScriptActor = new FPackageIndex(Ar);
NavListStart = new FPackageIndex(Ar);
NavListEnd = new FPackageIndex(Ar);
PrecomputedVisibilityHandler = new FPrecomputedVisibilityHandler(Ar);
PrecomputedVolumeDistanceField = new FPrecomputedVolumeDistanceField(Ar);
}
private void ApplyEnum(FProperty prop, FPackageIndex enumIndex)
{
var enumObj = enumIndex.ResolvedObject;
Enum = enumObj?.Object?.Value as UEnum;
EnumName = enumObj?.Name.Text;
InnerType = prop.ElementSize switch
{
4 => new PropertyType("IntProperty"),
_ => null
};
}
}
public readonly int iLightmassIndex; // Index to the lightmass settings
public FBspSurf(FAssetArchive Ar)
{
Material = new FPackageIndex(Ar);
PolyFlags = Ar.Read <uint>();
pBase = Ar.Read <int>();
vNormal = Ar.Read <int>();
vTextureU = Ar.Read <int>();
vTextureV = Ar.Read <int>();
iBrushPoly = Ar.Read <int>();
Actor = new FPackageIndex(Ar);
Plane = Ar.Read <FPlane>();
LightMapScale = Ar.Read <float>();
iLightmassIndex = Ar.Read <int>();
}
public FObjectExport(FAssetArchive Ar)
{
ClassIndex = new FPackageIndex(Ar);
SuperIndex = new FPackageIndex(Ar);
TemplateIndex = Ar.Ver >= EUnrealEngineObjectUE4Version.TemplateIndex_IN_COOKED_EXPORTS ? new FPackageIndex(Ar) : new FPackageIndex();
OuterIndex = new FPackageIndex(Ar);
ObjectName = Ar.ReadFName();
ObjectFlags = Ar.Read <uint>();
if (Ar.Ver < EUnrealEngineObjectUE4Version.e64BIT_EXPORTMAP_SERIALSIZES)
{
SerialSize = Ar.Read <int>();
SerialOffset = Ar.Read <int>();
}
else
{
SerialSize = Ar.Read <long>();
SerialOffset = Ar.Read <long>();
}
ForcedExport = Ar.ReadBoolean();
NotForClient = Ar.ReadBoolean();
NotForServer = Ar.ReadBoolean();
PackageGuid = Ar.Read <FGuid>();
PackageFlags = Ar.Read <uint>();
NotAlwaysLoadedForEditorGame = Ar.Ver < EUnrealEngineObjectUE4Version.LOAD_FOR_EDITOR_GAME || Ar.ReadBoolean();
IsAsset = Ar.Ver >= EUnrealEngineObjectUE4Version.COOKED_ASSETS_IN_EDITOR_SUPPORT && Ar.ReadBoolean();
if (Ar.Ver >= EUnrealEngineObjectUE4Version.PRELOAD_DEPENDENCIES_IN_COOKED_EXPORTS)
{
FirstExportDependency = Ar.Read <int>();
SerializationBeforeSerializationDependencies = Ar.Read <int>();
CreateBeforeSerializationDependencies = Ar.Read <int>();
SerializationBeforeCreateDependencies = Ar.Read <int>();
CreateBeforeCreateDependencies = Ar.Read <int>();
}
else
{
FirstExportDependency = -1;
SerializationBeforeSerializationDependencies = 0;
CreateBeforeSerializationDependencies = 0;
SerializationBeforeCreateDependencies = 0;
CreateBeforeCreateDependencies = 0;
}
ClassName = ClassIndex.Name;
}
// TODO not really optimal, there should be TryReadObject functions etc
public Lazy <T?> ReadObject <T>() where T : UObject
{
var index = new FPackageIndex(this);
var resolved = index.ResolvedObject;
return(new Lazy <T?>(() =>
{
if (resolved == null)
{
if (index.IsNull)
{
// Silent this as it is expected to not have an object
return null;
}
Log.Warning("Failed to resolve index {Index}", index);
return null;
}
if (Owner.Provider == null)
{
Log.Warning("Can't load object {Resolved} without a file provider", resolved.Name);
return null;
}
if (!resolved.TryLoad(out var obj))
{
Log.Warning("Failed to load object {Obj}", resolved.Name);
return null;
}
if (obj is T cast)
{
return cast;
}
Log.Warning("Object has unexpected type {ObjType}, expected type {Type}", obj.GetType().Name, typeof(T).Name);
return null;
}));
}
internal FObjectExport(PackageReader reader)
{
ClassIndex = new FPackageIndex(reader);
SuperIndex = new FPackageIndex(reader);
// only serialize when file version is past VER_UE4_TemplateIndex_IN_COOKED_EXPORTS
TemplateIndex = new FPackageIndex(reader);
OuterIndex = new FPackageIndex(reader);
ObjectName = reader.ReadFName();
ObjectFlags = (EObjectFlags)reader.ReadUInt32() & EObjectFlags.RF_Load;
// only serialize when file version is past VER_UE4_64BIT_EXPORTMAP_SERIALSIZES
SerialSize = reader.ReadInt64();
SerialOffset = reader.ReadInt64();
bForcedExport = reader.ReadInt32() != 0;
bNotForClient = reader.ReadInt32() != 0;
bNotForServer = reader.ReadInt32() != 0;
PackageGuid = new FGuid(reader);
PackageFlags = reader.ReadUInt32();
// only serialize when file version is past VER_UE4_LOAD_FOR_EDITOR_GAME
bNotAlwaysLoadedForEditorGame = reader.ReadInt32() != 0;
// only serialize when file version is past VER_UE4_COOKED_ASSETS_IN_EDITOR_SUPPORT
bIsAsset = reader.ReadInt32() != 0;
// only serialize when file version is past VER_UE4_PRELOAD_DEPENDENCIES_IN_COOKED_EXPORTS
FirstExportDependency = reader.ReadInt32();
SerializationBeforeSerializationDependencies = reader.ReadInt32();
CreateBeforeSerializationDependencies = reader.ReadInt32();
SerializationBeforeCreateDependencies = reader.ReadInt32();
CreateBeforeCreateDependencies = reader.ReadInt32();
}
public FObjectResource(FName objectName, FPackageIndex outerIndex)
{
ObjectName = objectName;
OuterIndex = outerIndex;
}
/// <summary>
/// Reads out the expression from a BinaryReader.
/// </summary>
/// <param name="reader">The BinaryReader to read from.</param>
public override void Read(AssetBinaryReader reader)
{
Struct = reader.XFERPTR();
StructSize = reader.ReadInt32();
Value = reader.ReadExpressionArray(EExprToken.EX_EndStructConst);
}
public override void Read(AssetBinaryReader reader)
{
base.Read(reader);
Struct = new FPackageIndex(reader.ReadInt32());
}
public override void Read(AssetBinaryReader reader)
{
base.Read(reader);
KeyProp = new FPackageIndex(reader.ReadInt32());
ValueProp = new FPackageIndex(reader.ReadInt32());
}
public override void Read(AssetBinaryReader reader)
{
base.Read(reader);
InterfaceClass = new FPackageIndex(reader.ReadInt32());
}
