bool DecryptAndValidateIndex(ref byte[] IndexData, byte[] aesKey, FSHAHash ExpectedHash, out FSHAHash OutHash)
{
if (Info.bEncryptedIndex)
{
IndexData = AESDecryptor.DecryptAES(IndexData, aesKey);
}
OutHash = ExpectedHash; // too lazy to actually check against the hash
// https://github.com/EpicGames/UnrealEngine/blob/79a64829237ae339118bb50b61d84e4599c14e8a/Engine/Source/Runtime/PakFile/Private/IPlatformFilePak.cpp#L5371
return(true);
}
public FPointerTableBase(FArchive Ar) // LoadFromArchive
{
NumDependencies = Ar.Read <int>();
for (var i = 0; i < NumDependencies; ++i)
{
var Name = Ar.ReadFName();
var SavedLayoutSize = Ar.Read <uint>();
var SavedLayoutHash = new FSHAHash(Ar);
}
}
// MemoryImage.cpp
private static void FPointerTableBase_LoadFromArchive(FMaterialResourceProxyReader Ar)
{
var numDependencies = Ar.Read <int>();
for (var i = 0; i < numDependencies; ++i)
{
var nameHash = Ar.Read <ulong>();
var savedLayoutSize = Ar.Read <uint>();
var savedLayoutHash = new FSHAHash(Ar);
}
}
public FMaterialShaderMapId(FArchive Ar)
{
var bIsLegacyPackage = Ar.Ver < EUnrealEngineObjectUE4Version.PURGED_FMATERIAL_COMPILE_OUTPUTS;
if (!bIsLegacyPackage)
{
QualityLevel = (EMaterialQualityLevel)Ar.Read <int>();
FeatureLevel = (ERHIFeatureLevel)Ar.Read <int>();
}
else
{
var LegacyQualityLevel = (EMaterialQualityLevel)Ar.Read <byte>(); // Is it enum?
}
CookedShaderMapIdHash = new FSHAHash(Ar);
if (!bIsLegacyPackage)
{
LayoutParams = new FPlatformTypeLayoutParameters(Ar);
}
}
public void Deserialize(FMaterialResourceProxyReader Ar)
{
var bUseNewFormat = Ar.Versions["ShaderMap.UseNewCookedFormat"];
ImageResult = new FMemoryImageResult(Ar);
var bShareCode = Ar.ReadBoolean();
if (bUseNewFormat)
{
var ShaderPlatform = Ar.Read <EShaderPlatform>();
}
if (bShareCode)
{
ResourceHash = new FSHAHash(Ar);
}
else
{
Code = new FShaderMapResourceCode(Ar);
}
}
public FMaterialShaderMapId(FMaterialResourceProxyReader Ar)
{
var bIsLegacyPackage = Ar.Ver < (UE4Version)260;
if (!bIsLegacyPackage)
{
QualityLevel = (EMaterialQualityLevel)Ar.Read <int>();
FeatureLevel = (ERHIFeatureLevel)Ar.Read <int>();
}
else
{
var legacyQualityLevel = Ar.Read <byte>();
}
// Cooked so can assume this is valid
CookedShaderMapIdHash = new FSHAHash(Ar);
if (!bIsLegacyPackage)
{
LayoutParams = Ar.Read <FPlatformTypeLayoutParameters>();
}
}
private FPakInfo(FArchive Ar, OffsetsToTry offsetToTry)
{
// New FPakInfo fields.
EncryptionKeyGuid = Ar.Read <FGuid>(); // PakFile_Version_EncryptionKeyGuid
EncryptedIndex = Ar.Read <byte>() != 0; // Do not replace by ReadFlag
// Old FPakInfo fields
Magic = Ar.Read <uint>();
if (Magic != PAK_FILE_MAGIC)
{
// Stop immediately when magic is wrong
return;
}
Version = Ar.Read <EPakFileVersion>();
IsSubVersion = (Version == EPakFileVersion.PakFile_Version_FNameBasedCompressionMethod && offsetToTry == OffsetsToTry.Size8a);
IndexOffset = Ar.Read <long>();
IndexSize = Ar.Read <long>();
IndexHash = new FSHAHash(Ar);
if (Version == EPakFileVersion.PakFile_Version_FrozenIndex)
{
var bIndexIsFrozen = Ar.ReadFlag();
// used just for 4.25, so don't do any support unless it's really needed
if (bIndexIsFrozen)
{
throw new ParserException(Ar, "Pak index is frozen");
}
}
if (Version < EPakFileVersion.PakFile_Version_FNameBasedCompressionMethod)
{
CompressionMethods = new List <CompressionMethod>
{
CompressionMethod.None, CompressionMethod.Zlib, CompressionMethod.Gzip, CompressionMethod.Custom, CompressionMethod.Oodle
};
}
else
{
var maxNumCompressionMethods = offsetToTry switch
{
OffsetsToTry.Size8a => 5,
OffsetsToTry.Size8 => 4,
OffsetsToTry.Size8_1 => 1,
OffsetsToTry.Size8_2 => 2,
OffsetsToTry.Size8_3 => 3,
_ => 4
};
unsafe
{
var bufferSize = COMPRESSION_METHOD_NAME_LEN * maxNumCompressionMethods;
var buffer = stackalloc byte[bufferSize];
Ar.Serialize(buffer, bufferSize);
CompressionMethods = new List <CompressionMethod>(maxNumCompressionMethods + 1)
{
CompressionMethod.None
};
for (var i = 0; i < maxNumCompressionMethods; i++)
{
var name = new string((sbyte *)buffer + i * COMPRESSION_METHOD_NAME_LEN, 0, COMPRESSION_METHOD_NAME_LEN).TrimEnd('\0');
if (string.IsNullOrEmpty(name))
{
continue;
}
if (!Enum.TryParse(name, out CompressionMethod method))
{
Log.Warning($"Unknown compression method '{name}' in {Ar.Name}");
method = CompressionMethod.Unknown;
}
CompressionMethods.Add(method);
}
}
}
// Reset new fields to their default states when seralizing older pak format.
if (Version < EPakFileVersion.PakFile_Version_IndexEncryption)
{
EncryptedIndex = default;
}
if (Version < EPakFileVersion.PakFile_Version_EncryptionKeyGuid)
{
EncryptionKeyGuid = default;
}
}
public FIoStoreTocResource(Stream tocStream, EIoStoreTocReadOptions readOptions = EIoStoreTocReadOptions.Default)
{
var streamBuffer = new byte[tocStream.Length];
tocStream.Read(streamBuffer, 0, streamBuffer.Length);
using var reader = new BinaryReader(new MemoryStream(streamBuffer));
Header = new FIoStoreTocHeader(reader);
reader.BaseStream.Position = Header.TocHeaderSize;
var totalTocSize = tocStream.Length - Header.TocHeaderSize;
var tocMetaSize = Header.TocEntryCount * FIoStoreTocEntryMeta.SIZE;
var defaultTocSize = totalTocSize - Header.DirectoryIndexSize - tocMetaSize;
var tocSize = defaultTocSize;
if (readOptions.HasAnyFlags(EIoStoreTocReadOptions.ReadTocMeta))
{
tocSize = totalTocSize; // Meta data is at the end of the TOC file
}
if (readOptions.HasAnyFlags(EIoStoreTocReadOptions.ReadDirectoryIndex))
{
tocSize = defaultTocSize + Header.DirectoryIndexSize;
}
// Chunk IDs
ChunkIds = new FIoChunkId[Header.TocEntryCount];
for (var i = 0; i < Header.TocEntryCount; i++)
{
ChunkIds[i] = new FIoChunkId(reader);
}
// Chunk offsets
ChunkOffsetLengths = new FIoOffsetAndLength[Header.TocEntryCount];
for (var i = 0; i < Header.TocEntryCount; i++)
{
ChunkOffsetLengths[i] = new FIoOffsetAndLength(reader);
}
// Compression blocks
CompressionBlocks = new FIoStoreTocCompressedBlockEntry[Header.TocCompressedBlockEntryCount];
for (var i = 0; i < Header.TocCompressedBlockEntryCount; i++)
{
CompressionBlocks[i] = new FIoStoreTocCompressedBlockEntry(reader);
}
// Compression methods
CompressionMethods = new string[Header.CompressionMethodNameCount]; // Not doing +1 nor adding CompressionMethod none here since the FPakInfo implementation doesn't as well
for (var i = 0; i < Header.CompressionMethodNameCount; i++)
{
CompressionMethods[i] = Encoding.ASCII.GetString(reader.ReadBytes((int)Header.CompressionMethodNameLength)).TrimEnd('\0');
}
// Chunk block signatures
if (Header.ContainerFlags.HasAnyFlags(EIoContainerFlags.Signed))
{
var hashSize = reader.ReadInt32();
reader.BaseStream.Position += hashSize; // actually: var tocSignature = reader.ReadBytes(hashSize);
reader.BaseStream.Position += hashSize; // actually: var blockSignature = reader.ReadBytes(hashSize);
ChunkBlockSignatures = new FSHAHash[Header.TocCompressedBlockEntryCount];
for (var i = 0; i < Header.TocCompressedBlockEntryCount; i++)
{
ChunkBlockSignatures[i] = new FSHAHash(reader);
}
// You could verify hashes here but nah
}
// Directory index
if (Header.Version >= EIoStoreTocVersion.DirectoryIndex &&
readOptions.HasAnyFlags(EIoStoreTocReadOptions.ReadDirectoryIndex) &&
Header.ContainerFlags.HasAnyFlags(EIoContainerFlags.Indexed) &&
Header.DirectoryIndexSize > 0)
{
DirectoryIndexBuffer = reader.ReadBytes((int)Header.DirectoryIndexSize);
}
// Meta
if (readOptions.HasAnyFlags(EIoStoreTocReadOptions.ReadTocMeta))
{
ChunkMetas = new FIoStoreTocEntryMeta[Header.TocEntryCount];
for (var i = 0; i < Header.TocEntryCount; i++)
{
ChunkMetas[i] = new FIoStoreTocEntryMeta(reader);
}
}
}
void ReadIndexUpdated(BinaryReader reader, byte[] aesKey, out Dictionary <string, FPakEntry> dict, PakFilter filter)
{
MountPoint = reader.ReadFString();
if (MountPoint.StartsWith("../../.."))
{
MountPoint = MountPoint.Substring(8);
}
else
{
// Weird mount point location...
MountPoint = "/";
}
if (!CaseSensitive)
{
MountPoint = MountPoint.ToLowerInvariant();
}
var NumEntries = reader.ReadInt32();
var PathHashSeed = reader.ReadUInt64();
if (reader.ReadInt32() == 0)
{
throw new FileLoadException("No path hash index");
}
/*
* long PathHashIndexOffset = reader.ReadInt64();
* long PathHashIndexSize = reader.ReadInt64();
* FSHAHash PathHashIndexHash = new FSHAHash(reader);
*/
reader.BaseStream.Position += 8L + 8L + 20L;
if (reader.ReadInt32() == 0)
{
throw new FileLoadException("No directory index");
}
long FullDirectoryIndexOffset = reader.ReadInt64();
long FullDirectoryIndexSize = reader.ReadInt64();
FSHAHash FullDirectoryIndexHash = new FSHAHash(reader);
byte[] EncodedPakEntries = reader.ReadTArray(() => reader.ReadByte());
int FilesNum = reader.ReadInt32();
if (FilesNum < 0)
{
// Should not be possible for any values in the PrimaryIndex to be invalid, since we verified the index hash
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
}
Reader.BaseStream.Position = FullDirectoryIndexOffset;
byte[] PathHashIndexData = Reader.ReadBytes((int)FullDirectoryIndexSize);
if (!DecryptAndValidateIndex(ref PathHashIndexData, aesKey, FullDirectoryIndexHash, out var ComputedHash))
{
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
//UE_LOG(LogPakFile, Log, TEXT(" Filename: %s"), *PakFilename);
//UE_LOG(LogPakFile, Log, TEXT(" Encrypted: %d"), Info.bEncryptedIndex);
//UE_LOG(LogPakFile, Log, TEXT(" Total Size: %d"), Reader->TotalSize());
//UE_LOG(LogPakFile, Log, TEXT(" Index Offset: %d"), FullDirectoryIndexOffset);
//UE_LOG(LogPakFile, Log, TEXT(" Index Size: %d"), FullDirectoryIndexSize);
//UE_LOG(LogPakFile, Log, TEXT(" Stored Index Hash: %s"), *PathHashIndexHash.ToString());
//UE_LOG(LogPakFile, Log, TEXT(" Computed Index Hash: %s"), *ComputedHash.ToString());
}
BinaryReader PathHashIndexReader = new BinaryReader(new MemoryStream(PathHashIndexData));
FPakDirectoryEntry[] PathHashIndex = PathHashIndexReader.ReadTArray(() => new FPakDirectoryEntry(PathHashIndexReader));
dict = new Dictionary <string, FPakEntry>(NumEntries);
foreach (FPakDirectoryEntry directoryEntry in PathHashIndex)
{
foreach (FPathHashIndexEntry hashIndexEntry in directoryEntry.Entries)
{
var path = directoryEntry.Directory + hashIndexEntry.Filename;
if (path.StartsWith("/"))
{
path = path.Substring(1);
}
if (!CaseSensitive)
{
path = path.ToLowerInvariant();
}
// if there is no filter OR the filter passes
if (filter == null || filter.CheckFilter(MountPoint + hashIndexEntry.Filename, CaseSensitive))
{
// Filename is without the MountPoint concatenated to save memory
dict[path] = GetEntry(path, hashIndexEntry.Location, EncodedPakEntries);
}
}
}
}
void ReadIndexUpdated(BinaryReader reader, byte[] aesKey, long totalSize, PakFilter filter)
{
MountPoint = reader.ReadFString();
if (MountPoint.StartsWith("../../.."))
{
MountPoint = MountPoint.Substring(8);
}
else
{
// Weird mount point location...
MountPoint = "/";
}
if (!CaseSensitive)
{
MountPoint = MountPoint.ToLowerInvariant();
}
var NumEntries = reader.ReadInt32();
var PathHashSeed = reader.ReadUInt64();
bool bReaderHasPathHashIndex = false;
long PathHashIndexOffset = -1; // INDEX_NONE
long PathHashIndexSize = 0;
FSHAHash PathHashIndexHash = default;
bReaderHasPathHashIndex = reader.ReadInt32() != 0;
if (bReaderHasPathHashIndex)
{
PathHashIndexOffset = reader.ReadInt64();
PathHashIndexSize = reader.ReadInt64();
PathHashIndexHash = new FSHAHash(reader);
bReaderHasPathHashIndex = bReaderHasPathHashIndex && PathHashIndexOffset != -1;
}
bool bReaderHasFullDirectoryIndex = false;
long FullDirectoryIndexOffset = -1; // INDEX_NONE
long FullDirectoryIndexSize = 0;
FSHAHash FullDirectoryIndexHash = default;
bReaderHasFullDirectoryIndex = reader.ReadInt32() != 0;
if (bReaderHasFullDirectoryIndex)
{
FullDirectoryIndexOffset = reader.ReadInt64();
FullDirectoryIndexSize = reader.ReadInt64();
FullDirectoryIndexHash = new FSHAHash(reader);
bReaderHasFullDirectoryIndex = bReaderHasFullDirectoryIndex && FullDirectoryIndexOffset != -1;
}
byte[] EncodedPakEntries = reader.ReadTArray(() => reader.ReadByte());
File.WriteAllBytes("pakentryencoded", EncodedPakEntries);
int FilesNum = reader.ReadInt32();
if (FilesNum < 0)
{
// Should not be possible for any values in the PrimaryIndex to be invalid, since we verified the index hash
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
}
FPakEntry[] Files = new FPakEntry[FilesNum]; // from what i can see, there aren't any???
if (FilesNum > 0)
{
for (int FileIndex = 0; FileIndex < FilesNum; ++FileIndex)
{
Files[FileIndex] = new FPakEntry(reader, Info.Version);
}
}
// Decide which SecondaryIndex(es) to load
bool bWillUseFullDirectoryIndex;
bool bWillUsePathHashIndex;
bool bReadFullDirectoryIndex;
if (bReaderHasPathHashIndex && bReaderHasFullDirectoryIndex)
{
bWillUseFullDirectoryIndex = false; // https://github.com/EpicGames/UnrealEngine/blob/79a64829237ae339118bb50b61d84e4599c14e8a/Engine/Source/Runtime/PakFile/Private/IPlatformFilePak.cpp#L5628
bWillUsePathHashIndex = !bWillUseFullDirectoryIndex;
bool bWantToReadFullDirectoryIndex = false;
bReadFullDirectoryIndex = bReaderHasFullDirectoryIndex && bWantToReadFullDirectoryIndex;
}
else if (bReaderHasPathHashIndex)
{
bWillUsePathHashIndex = true;
bWillUseFullDirectoryIndex = false;
bReadFullDirectoryIndex = false;
}
else if (bReaderHasFullDirectoryIndex)
{
// We don't support creating the PathHash Index at runtime; we want to move to having only the PathHashIndex, so supporting not having it at all is not useful enough to write
bWillUsePathHashIndex = false;
bWillUseFullDirectoryIndex = true;
bReadFullDirectoryIndex = true;
}
else
{
// It should not be possible for PrimaryIndexes to be built without a PathHashIndex AND without a FullDirectoryIndex; CreatePakFile in UnrealPak.exe has a check statement for it.
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
}
// Load the Secondary Index(es)
byte[] PathHashIndexData;
Dictionary <ulong, int> PathHashIndex;
BinaryReader PathHashIndexReader = default;
bool bHasPathHashIndex;
if (bWillUsePathHashIndex)
{
if (PathHashIndexOffset < 0 || totalSize < (PathHashIndexOffset + PathHashIndexSize))
{
// Should not be possible for these values (which came from the PrimaryIndex) to be invalid, since we verified the index hash of the PrimaryIndex
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
//UE_LOG(LogPakFile, Log, TEXT(" Filename: %s"), *PakFilename);
//UE_LOG(LogPakFile, Log, TEXT(" Total Size: %d"), Reader->TotalSize());
//UE_LOG(LogPakFile, Log, TEXT(" PathHashIndexOffset : %d"), PathHashIndexOffset);
//UE_LOG(LogPakFile, Log, TEXT(" PathHashIndexSize: %d"), PathHashIndexSize);
}
Reader.BaseStream.Position = PathHashIndexOffset;
PathHashIndexData = Reader.ReadBytes((int)PathHashIndexSize);
File.WriteAllBytes("indexdata.daa", PathHashIndexData);
{
if (!DecryptAndValidateIndex(Reader, ref PathHashIndexData, aesKey, PathHashIndexHash, out var ComputedHash))
{
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
//UE_LOG(LogPakFile, Log, TEXT(" Filename: %s"), *PakFilename);
//UE_LOG(LogPakFile, Log, TEXT(" Encrypted: %d"), Info.bEncryptedIndex);
//UE_LOG(LogPakFile, Log, TEXT(" Total Size: %d"), Reader->TotalSize());
//UE_LOG(LogPakFile, Log, TEXT(" Index Offset: %d"), FullDirectoryIndexOffset);
//UE_LOG(LogPakFile, Log, TEXT(" Index Size: %d"), FullDirectoryIndexSize);
//UE_LOG(LogPakFile, Log, TEXT(" Stored Index Hash: %s"), *PathHashIndexHash.ToString());
//UE_LOG(LogPakFile, Log, TEXT(" Computed Index Hash: %s"), *ComputedHash.ToString());
}
}
PathHashIndexReader = new BinaryReader(new MemoryStream(PathHashIndexData));
PathHashIndex = ReadPathHashIndex(PathHashIndexReader);
bHasPathHashIndex = true;
}
var DirectoryIndex = new Dictionary <string, Dictionary <string, int> >();
bool bHasFullDirectoryIndex;
if (!bReadFullDirectoryIndex)
{
DirectoryIndex = ReadDirectoryIndex(PathHashIndexReader);
bHasFullDirectoryIndex = false;
}
if (DirectoryIndex.Count == 0)
{
if (totalSize < (FullDirectoryIndexOffset + FullDirectoryIndexSize) ||
FullDirectoryIndexOffset < 0)
{
// Should not be possible for these values (which came from the PrimaryIndex) to be invalid, since we verified the index hash of the PrimaryIndex
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
//UE_LOG(LogPakFile, Log, TEXT(" Filename: %s"), *PakFilename);
//UE_LOG(LogPakFile, Log, TEXT(" Total Size: %d"), Reader->TotalSize());
//UE_LOG(LogPakFile, Log, TEXT(" FullDirectoryIndexOffset : %d"), FullDirectoryIndexOffset);
//UE_LOG(LogPakFile, Log, TEXT(" FullDirectoryIndexSize: %d"), FullDirectoryIndexSize);
}
Reader.BaseStream.Position = FullDirectoryIndexOffset;
byte[] FullDirectoryIndexData = Reader.ReadBytes((int)FullDirectoryIndexSize);
{
if (!DecryptAndValidateIndex(Reader, ref FullDirectoryIndexData, aesKey, FullDirectoryIndexHash, out var ComputedHash))
{
throw new FileLoadException("Corrupt pak PrimaryIndex detected!");
//UE_LOG(LogPakFile, Log, TEXT(" Filename: %s"), *PakFilename);
//UE_LOG(LogPakFile, Log, TEXT(" Encrypted: %d"), Info.bEncryptedIndex);
//UE_LOG(LogPakFile, Log, TEXT(" Total Size: %d"), Reader->TotalSize());
//UE_LOG(LogPakFile, Log, TEXT(" Index Offset: %d"), FullDirectoryIndexOffset);
//UE_LOG(LogPakFile, Log, TEXT(" Index Size: %d"), FullDirectoryIndexSize);
//UE_LOG(LogPakFile, Log, TEXT(" Stored Index Hash: %s"), *FullDirectoryIndexHash.ToString());
//UE_LOG(LogPakFile, Log, TEXT(" Computed Index Hash: %s"), *ComputedHash.ToString());
}
}
var SecondaryIndexReader = new BinaryReader(new MemoryStream(FullDirectoryIndexData));
DirectoryIndex = ReadDirectoryIndex(SecondaryIndexReader);
bHasFullDirectoryIndex = true;
}
Entries = new Dictionary <string, FPakEntry>(NumEntries);
foreach (var(dirname, dir) in DirectoryIndex)
{
foreach (var(filename, pakLocation) in dir)
{
var path = dirname + filename;
if (!CaseSensitive)
{
path = path.ToLowerInvariant();
}
// if there is no filter OR the filter passes
if (filter == null || filter.CheckFilter(MountPoint + filename, CaseSensitive))
{
// Filename is without the MountPoint concatenated to save memory
Entries[path] = GetEntry(pakLocation, EncodedPakEntries);
}
}
}
}
public FShaderMapResourceCode(FArchive Ar)
{
ResourceHash = new FSHAHash(Ar);
ShaderHashes = Ar.ReadArray(() => new FSHAHash(Ar));
ShaderEntries = Ar.ReadArray(() => new FShaderEntry(Ar));
}
public void Deserialize(FMaterialResourceProxyReader Ar)
{
#region FMemoryImageResult::LoadFromArchive, MemoryImage.cpp
if (GIsHybridUE5)
{
var layoutParameters = Ar.Read <FPlatformTypeLayoutParameters>();
}
var frozenSize = Ar.Read <int>();
var frozenObject = Ar.ReadBytes(frozenSize);
if (GIsHybridUE5)
{
//var bFrozenObjectIsValid = pointerTable.LoadFromArchive(Ar, layoutParameters, frozenObject);
FShaderMapPointerTable_LoadFromArchive(Ar);
}
var numVTables = Ar.Read <uint>();
var numScriptNames = Ar.Read <uint>();
var numMinimalNames = Ar.Read <uint>();
for (var i = 0; i < numVTables; i++)
{
var typeNameHash = Ar.Read <ulong>();
var numPatches = Ar.Read <uint>();
for (var patchIndex = 0; patchIndex < numPatches; ++patchIndex)
{
var vTableOffset = Ar.Read <uint>();
var offset = Ar.Read <uint>();
}
}
for (var i = 0; i < numScriptNames; i++)
{
var name = Ar.ReadFName();
var numPatches = Ar.Read <uint>();
for (var patchIndex = 0; patchIndex < numPatches; ++patchIndex)
{
var offset = Ar.Read <uint>();
}
}
for (var i = 0; i < numMinimalNames; i++)
{
var name = Ar.ReadFName();
var numPatches = Ar.Read <uint>();
for (var patchIndex = 0; patchIndex < numPatches; ++patchIndex)
{
var offset = Ar.Read <uint>();
}
}
#endregion
if (!GIsHybridUE5)
{
FShaderMapPointerTable_LoadFromArchive(Ar);
}
var bShareCode = Ar.ReadBoolean();
if (GIsHybridUE5)
{
var shaderPlatform = Ar.Read <byte>();
}
if (bShareCode)
{
var resourceHash = new FSHAHash(Ar);
}
else
{
throw new NotImplementedException();
}
}