private bool SerializeOodleDecompressData(FOodleCompressedData dataInfo, out byte[] outData)
{
outData = new byte[0];
var decompressedLength = (int)dataInfo.DecompressedLength;
var compressedLength = (int)dataInfo.CompressedLength;
if (compressedLength > _innerArchive.Length - dataInfo.Offset || decompressedLength > MAX_COMPRESS_BUFFER ||
compressedLength > MAX_COMPRESS_BUFFER)
{
return(false);
}
_innerArchive.Position = dataInfo.Offset;
if (compressedLength == decompressedLength)
{
outData = _innerArchive.ReadBytes(decompressedLength);
}
else
{
outData = new byte[decompressedLength];
var compressedData = _innerArchive.ReadBytes(compressedLength);
Compression.Oodle.Decompress(compressedData, 0, compressedLength, outData, 0, decompressedLength);
}
return(outData.Length == decompressedLength);
}
private VManifest(FArchive Ar)
{
using (Ar)
{
Header = new VHeader(Ar);
var compressedBuffer = Ar.ReadBytes((int)Header.CompressedSize);
var uncompressedBuffer = ZlibStream.UncompressBuffer(compressedBuffer);
if (uncompressedBuffer.Length != Header.UncompressedSize)
{
throw new ParserException(Ar, $"Decompression failed, {uncompressedBuffer.Length} != {Header.UncompressedSize}");
}
using var manifest = new FByteArchive("UncompressedValorantManifest", uncompressedBuffer);
Chunks = manifest.ReadArray <VChunk>((int)Header.ChunkCount);
Paks = manifest.ReadArray((int)Header.PakCount, () => new VPak(manifest));
if (manifest.Position != manifest.Length)
{
throw new ParserException(manifest, $"Parsing failed, {manifest.Position} != {manifest.Length}");
}
}
_client = new HttpClient(new HttpClientHandler
{
UseProxy = false,
UseCookies = false,
AutomaticDecompression = DecompressionMethods.All,
CheckCertificateRevocationList = false,
PreAuthenticate = false,
MaxConnectionsPerServer = 1337,
UseDefaultCredentials = false,
AllowAutoRedirect = false
});
}
public FIoStoreTocHeader(FArchive Ar)
{
TocMagic = Ar.ReadBytes(16);
if (!TOC_MAGIC.SequenceEqual(TocMagic))
{
throw new ParserException(Ar, "Invalid utoc magic");
}
Version = Ar.Read <EIoStoreTocVersion>();
_reserved0 = Ar.Read <byte>();
_reserved1 = Ar.Read <ushort>();
TocHeaderSize = Ar.Read <uint>();
TocEntryCount = Ar.Read <uint>();
TocCompressedBlockEntryCount = Ar.Read <uint>();
TocCompressedBlockEntrySize = Ar.Read <uint>();
CompressionMethodNameCount = Ar.Read <uint>();
CompressionMethodNameLength = Ar.Read <uint>();
CompressionBlockSize = Ar.Read <uint>();
DirectoryIndexSize = Ar.Read <uint>();
PartitionCount = Ar.Read <uint>();
ContainerId = Ar.Read <FIoContainerId>();
EncryptionKeyGuid = Ar.Read <FGuid>();
ContainerFlags = Ar.Read <EIoContainerFlags>();
_reserved3 = Ar.Read <byte>();
_reserved4 = Ar.Read <ushort>();
_reserved5 = Ar.Read <uint>();
PartitionSize = Ar.Read <ulong>();
_reserved6 = Ar.ReadArray <ulong>(6);
}
public VPak(FArchive Ar)
{
Id = Ar.Read <ulong>();
Size = Ar.Read <uint>();
ChunkIndices = Ar.ReadArray <uint>(Ar.Read <int>());
Name = Encoding.ASCII.GetString(Ar.ReadBytes(Ar.ReadByte()));
}
public FShaderCodeArchive(FArchive Ar)
{
var archiveVersion = Ar.Read <uint>();
var bIsIoStore = false;
// version - 1 | Must be I/O Store.
// version - 2 | Normal pak storage
if (Ar.Game >= EGame.GAME_UE5_0)
{
if (archiveVersion == 1)
{
bIsIoStore = true;
}
}
switch (archiveVersion)
{
case 2:
{
var shaders = new FSerializedShaderArchive(Ar);
ShaderCode = new byte[shaders.ShaderEntries.Length][];
for (var i = 0; i < shaders.ShaderEntries.Length; i++)
{
ShaderCode[i] = Ar.ReadBytes((int)shaders.ShaderEntries[i].Size);
}
SerializedShaders = shaders;
break;
}
case 1 when bIsIoStore: // I/O Store-based ushaderbytecode files start at version 1 now, same as old pak versions.
{
var shaders = new FIoStoreShaderCodeArchive(Ar);
// ShaderCode = new byte[shaders.ShaderEntries.Length][];
// for (var i = 0; i < shaders.ShaderEntries.Length; i++)
// {
// ShaderCode[i] = Ar.ReadBytes((int) shaders.ShaderEntries[i].UncompressedSize);
// }
SerializedShaders = shaders;
break;
}
case 1 when !bIsIoStore:
// TODO - Need to figure out how this should work
// https://github.com/EpicGames/UnrealEngine/blob/4.22/Engine/Source/Runtime/RenderCore/Private/ShaderCodeLibrary.cpp#L910
// var mapVarNameNum = Ar.Read<int>();
//
// PrevCookedShaders = new Dictionary<FSHAHash, FShaderCodeEntry>(mapVarNameNum);
// for (var i = 0; i < mapVarNameNum; ++i)
// {
// PrevCookedShaders[Ar.Read<FSHAHash>()] = new FShaderCodeEntry(Ar);
// }
break;
}
}
protected override Unreal.Core.BinaryReader Decrypt(FArchive archive, int size)
{
if (!this.Replay.Info.Encrypted)
{
var decryptedReader = new Unreal.Core.BinaryReader(new MemoryStream(archive.ReadBytes(size)))
{
EngineNetworkVersion = Replay.Header.EngineNetworkVersion,
NetworkVersion = Replay.Header.NetworkVersion,
ReplayHeaderFlags = Replay.Header.Flags,
ReplayVersion = Replay.Info.FileVersion
};
return(decryptedReader);
}
var encryptedBytes = archive.ReadBytes(size);
var key = this.Replay.Info.EncryptionKey;
using RijndaelManaged rDel = new RijndaelManaged
{
KeySize = (key.Length * 8),
Key = key,
Mode = CipherMode.ECB,
Padding = PaddingMode.PKCS7
};
using ICryptoTransform cTransform = rDel.CreateDecryptor();
byte[] decryptedArray = cTransform.TransformFinalBlock(encryptedBytes, 0, encryptedBytes.Length);
var decrypted = new Unreal.Core.BinaryReader(new MemoryStream(decryptedArray))
{
EngineNetworkVersion = Replay.Header.EngineNetworkVersion,
NetworkVersion = Replay.Header.NetworkVersion,
ReplayHeaderFlags = Replay.Header.Flags,
ReplayVersion = Replay.Info.FileVersion
};
return(decrypted);
}
public VHeader(FArchive Ar)
{
Magic = Ar.Read <uint>();
if (Magic != _MAGIC)
{
throw new ParserException(Ar, "Invalid manifest magic");
}
HeaderSize = Ar.Read <uint>();
ManifestId = Ar.Read <ulong>();
UncompressedSize = Ar.Read <uint>();
CompressedSize = Ar.Read <uint>();
ChunkCount = Ar.Read <uint>();
PakCount = Ar.Read <uint>();
var gameVersionLength = Ar.ReadByte();
GameVersion = gameVersionLength == 0 ? null : Encoding.ASCII.GetString(Ar.ReadBytes(gameVersionLength));
Ar.Position = HeaderSize;
}
public override void ReadReplayChunks(FArchive archive)
{
while (!archive.AtEnd())
{
var chunkType = archive.ReadUInt32AsEnum <ReplayChunkType>();
_writer.Write((uint)chunkType);
var chunkSize = archive.ReadInt32();
var offset = archive.Position;
//Console.WriteLine($"Chunk {chunkType}. Size: {chunkSize}. Offset: {offset}");
if (chunkType == ReplayChunkType.Checkpoint)
{
ReadCheckpoint(archive);
}
else if (chunkType == ReplayChunkType.Event)
{
ReadEvent(archive);
}
else if (chunkType == ReplayChunkType.ReplayData)
{
ReadReplayData(archive);
}
else if (chunkType == ReplayChunkType.Header)
{
//Copy over bytes
_writer.Write(chunkSize);
_writer.Write(archive.ReadBytes(chunkSize));
_writer.Flush();
}
if (archive.Position != offset + chunkSize)
{
//_logger?.LogWarning($"Chunk ({chunkType}) at offset {offset} not correctly read...");
archive.Seek(offset + chunkSize, SeekOrigin.Begin);
}
}
}
public static FNameEntrySerialized[] LoadNameBatch(FArchive Ar)
{
var num = Ar.Read <int>();
if (num == 0)
{
return(Array.Empty <FNameEntrySerialized>());
}
Ar.Position += sizeof(uint); // var numStringBytes = Ar.Read<uint>();
Ar.Position += sizeof(ulong); // var hashVersion = Ar.Read<ulong>();
Ar.Position += num * sizeof(ulong); // var hashes = Ar.ReadArray<ulong>(num);
var headers = Ar.ReadArray <FSerializedNameHeader>(num);
var entries = new FNameEntrySerialized[num];
for (var i = 0; i < num; i++)
{
var header = headers[i];
var length = (int)header.Length;
string s = header.IsUtf16 ? new string(Ar.ReadArray <char>(length)) : Encoding.UTF8.GetString(Ar.ReadBytes(length));
entries[i] = new FNameEntrySerialized(s);
}
return(entries);
}
public WwiseReader(FArchive Ar)
{
IdToString = new Dictionary <uint, string>();
WwiseEncodedMedias = new Dictionary <string, byte[]>();
while (Ar.Position < Ar.Length)
{
var sectionIdentifier = Ar.Read <ESectionIdentifier>();
var sectionLength = Ar.Read <int>();
var position = Ar.Position;
switch (sectionIdentifier)
{
case ESectionIdentifier.AKPK:
if (!Ar.ReadBoolean())
{
throw new ParserException(Ar, $"'{Ar.Name}' has unsupported endianness.");
}
Ar.Position += 16;
Folders = Ar.ReadArray(() => new AkFolder(Ar));
foreach (var folder in Folders)
{
folder.PopulateName(Ar);
}
foreach (var folder in Folders)
{
folder.Entries = new AkEntry[Ar.Read <uint>()];
for (var i = 0; i < folder.Entries.Length; i++)
{
var entry = new AkEntry(Ar);
entry.Path = Folders[entry.FolderId].Name;
var savePos = Ar.Position;
Ar.Position = entry.Offset;
entry.IsSoundBank = Ar.Read <ESectionIdentifier>() == ESectionIdentifier.BKHD;
Ar.Position -= 4;
entry.Data = Ar.ReadBytes(entry.Size);
Ar.Position = savePos;
folder.Entries[i] = entry;
}
}
break;
case ESectionIdentifier.BKHD:
Header = Ar.Read <BankHeader>();
break;
case ESectionIdentifier.INIT:
Initialization = Ar.ReadArray(() =>
{
Ar.Position += 4;
return(Ar.ReadFString());
});
break;
case ESectionIdentifier.DIDX:
WemIndexes = Ar.ReadArray(sectionLength / 12, Ar.Read <DataIndex>);
break;
case ESectionIdentifier.DATA:
if (WemIndexes == null)
{
break;
}
WemSounds = new byte[WemIndexes.Length][];
for (var i = 0; i < WemSounds.Length; i++)
{
Ar.Position = position + WemIndexes[i].Offset;
WemSounds[i] = Ar.ReadBytes(WemIndexes[i].Length);
WwiseEncodedMedias[WemIndexes[i].Id.ToString()] = WemSounds[i];
}
break;
case ESectionIdentifier.HIRC:
Hierarchy = Ar.ReadArray(() => new Hierarchy(Ar));
break;
case ESectionIdentifier.RIFF:
// read byte[sectionLength] it's simply a wem file
break;
case ESectionIdentifier.STID:
Ar.Position += 4;
var count = Ar.Read <int>();
for (var i = 0; i < count; i++)
{
IdToString[Ar.Read <uint>()] = Ar.ReadString();
}
break;
case ESectionIdentifier.STMG:
break;
case ESectionIdentifier.ENVS:
break;
case ESectionIdentifier.FXPR:
break;
case ESectionIdentifier.PLAT:
Platform = Ar.ReadFString();
break;
default:
#if DEBUG
Log.Warning($"Unknown section {sectionIdentifier:X} at {position - sizeof(uint) - sizeof(uint)}");
#endif
break;
}
if (Ar.Position != position + sectionLength)
{
var shouldBe = position + sectionLength;
#if DEBUG
Log.Warning($"Didn't read 0x{sectionIdentifier:X} correctly (at {Ar.Position}, should be {shouldBe})");
#endif
Ar.Position = shouldBe;
}
}
if (Folders != null)
{
foreach (var folder in Folders)
{
foreach (var entry in folder.Entries)
{
if (entry.IsSoundBank || entry.Data == null)
{
continue;
}
WwiseEncodedMedias[IdToString.TryGetValue(entry.NameHash, out var k) ? k : $"{entry.Path.ToUpper()}_{entry.NameHash}"] = entry.Data;
public static TypeMappings Parse(FArchive Ar)
{
var magic = Ar.Read <ushort>();
if (magic != FileMagic)
{
throw new ParserException(".usmap file has an invalid magic constant");
}
var version = Ar.Read <Version>();
if (version < 0 || version > Version.LATEST)
{
throw new ParserException($".usmap has an invalid version {(byte) version}");
}
var compression = Ar.Read <ECompressionMethod>();
var compSize = Ar.Read <uint>();
var decompSize = Ar.Read <uint>();
var data = new byte[decompSize];
switch (compression)
{
case ECompressionMethod.None:
if (compSize != decompSize)
{
throw new ParserException("No compression: Compression size must be equal to decompression size");
}
Ar.Read(data, 0, (int)compSize);
break;
case ECompressionMethod.Oodle:
Oodle.Decompress(Ar.ReadBytes((int)compSize), 0, (int)compSize, data, 0, (int)decompSize);
break;
case ECompressionMethod.Brotli:
throw new NotImplementedException();
default:
throw new ParserException($"Invalid compression method {compression}");
}
Ar = new FByteArchive(Ar.Name, data);
var nameSize = Ar.Read <uint>();
var nameLut = new List <String>((int)nameSize);
for (int i = 0; i < nameSize; i++)
{
var nameLength = Ar.Read <byte>();
nameLut.Add(ReadStringUnsafe(Ar, nameLength));
}
var enumCount = Ar.Read <uint>();
var enums = new Dictionary <string, Dictionary <int, string> >((int)enumCount);
for (int i = 0; i < enumCount; i++)
{
var enumName = Ar.ReadName(nameLut) !;
var enumNamesSize = Ar.Read <byte>();
var enumNames = new Dictionary <int, string>(enumNamesSize);
for (int j = 0; j < enumNamesSize; j++)
{
var value = Ar.ReadName(nameLut) !;
enumNames[j] = value;
}
enums.Add(enumName, enumNames);
}
var structCount = Ar.Read <uint>();
var structs = new Dictionary <string, Struct>();
var mappings = new TypeMappings(structs, enums);
for (int i = 0; i < structCount; i++)
{
var s = ParseStruct(mappings, Ar, nameLut);
structs[s.Name] = s;
}
return(mappings);
}
public override byte[] MountPointCheckBytes()
{
Ar.Position = Info.IndexOffset;
return(Ar.ReadBytes((int)(4 + MAX_MOUNTPOINT_TEST_LENGTH * 2).Align(Aes.ALIGN)));
}
protected byte[] ReadAndDecrypt(int length, FArchive reader, bool isEncrypted) => DecryptIfEncrypted(reader.ReadBytes(length), isEncrypted);
public FSHAHash(FArchive Ar)
{
Hash = Ar.ReadBytes(SIZE);
}
public FIoChunkHash(FArchive Ar)
{
Hash = Ar.ReadBytes(32);
}
public FMemoryImageResult(FArchive Ar) // LoadFromArchive
{
var bUseNewFormat = Ar.Versions["ShaderMap.UseNewCookedFormat"];
if (bUseNewFormat)
{
LayoutParameters = new FPlatformTypeLayoutParameters(Ar);
}
var FrozenSize = Ar.Read <uint>();
var FrozenObject = Ar.ReadBytes((int)FrozenSize);
if (bUseNewFormat)
{
PointerTable = new FPointerTableBase(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>();
}
}
if (!bUseNewFormat)
{
ShaderMapPointerTable = new FShaderMapPointerTable(Ar);
PointerTable = new FPointerTableBase(Ar);
}
}