internal async Task ReadExportTableEntry(ByteArrayReader reader, DomainHeader header) {
TypeReference = reader.ReadInt32();
ParentReference = reader.ReadInt32();
OwnerReference = reader.ReadInt32();
NameTableIndex.ReadNameTableIndex(reader, header);
ArchetypeReference = reader.ReadInt32();
FlagsHigh = reader.ReadUInt32();
FlagsLow = reader.ReadUInt32();
SerialDataSize = reader.ReadInt32();
SerialDataOffset = reader.ReadInt32();
ExportFlags = reader.ReadUInt32();
NetObjectCount = reader.ReadInt32();
Guid = await reader.ReadBytes(16);
Unknown1 = reader.ReadUInt32();
Unknown2 = await reader.ReadBytes(sizeof(uint) * NetObjectCount);
}
public async Task<int> BuildCompressedChunkHeader(ByteArrayReader reader, uint flags) {
Signature = Signatures.Signature;
BlockSize = 0x00020000;
CompressedSize = 0;
UncompressedSize = reader.Remaining;
int blockCount = (reader.Remaining + BlockSize - 1) / BlockSize;
int builderSize = 0;
Blocks.Clear();
for(int i = 0; i < blockCount; ++i) {
DomainCompressedChunkBlock block = new DomainCompressedChunkBlock();
ByteArrayReader uncompressed = await reader.ReadByteArray(Math.Min(BlockSize, reader.Remaining));
builderSize += await block.BuildCompressedChunkBlockData(uncompressed);
CompressedSize += block.CompressedSize;
Blocks.Add(block);
}
builderSize += sizeof(uint)
+ sizeof(int) * 3;
return builderSize;
}
public async Task ReadCompressedChunkHeader(ByteArrayReader reader, uint flags, int uncompressedSize, int compressedSize) {
if (flags > 0) {
Signature = reader.ReadUInt32();
if (Signature != Signatures.Signature) throw new Exception("Compressed Header Signature not found.");
BlockSize = reader.ReadInt32();
CompressedSize = reader.ReadInt32();
UncompressedSize = reader.ReadInt32();
Blocks.Clear();
int blockCount = (UncompressedSize + BlockSize - 1) / BlockSize;
for(int i = 0; i < blockCount; ++i) {
DomainCompressedChunkBlock block = new DomainCompressedChunkBlock();
block.ReadCompressedChunkBlock(reader);
Blocks.Add(block);
}
}
else {
Blocks = new List<DomainCompressedChunkBlock> {
new DomainCompressedChunkBlock {
UncompressedSize = uncompressedSize,
CompressedSize = compressedSize
}
};
}
foreach(DomainCompressedChunkBlock block in Blocks) await block.ReadCompressedChunkBlockData(reader);
}
public override async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse) {
ArchetypeObjectReference = reader.ReadInt32();
ArchetypeObjectNameIndex = header.GetObjectTableEntry(ArchetypeObjectReference)?.NameTableIndex;
await base.ReadDomainObject(reader, header, export, skipProperties, skipParse);
}
public virtual void SetPropertyValue(object value) {
ByteArrayReader reader = value as ByteArrayReader;
if (reader == null) return;
DataReader = reader;
}
public virtual async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse) {
if (!skipProperties) await PropertyHeader.ReadPropertyHeader(reader, header);
AdditionalDataOffset = export.SerialDataOffset + reader.CurrentOffset;
AdditionalDataReader = await reader.Splice();
}
public void ReadNameTableIndex(ByteArrayReader reader, DomainHeader header) {
Index = reader.ReadInt32();
Numeric = reader.ReadInt32();
if (Index < 0 || Index > header.NameTable.Count) throw new ArgumentOutOfRangeException(nameof(Index), $"Index ({Index:X8}) is out of range of the NameTable size.");
Name = Numeric > 0 ? $"{header.NameTable[Index].Name.String}_{Numeric - 1}" : $"{header.NameTable[Index].Name.String}";
}
public override async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse) {
await base.ReadDomainObject(reader, header, export, skipProperties, skipParse);
if (skipParse) return;
Unknown1 = await reader.ReadBytes(sizeof(uint) * 3);
CompressedChunkOffset = reader.ReadInt32();
}
public async Task<ByteArrayReader> ReadByteArray(int Length) {
if (index + Length < 0 || index + Length > data.Length) throw new ArgumentOutOfRangeException(nameof(Length), "Index + Length is out of the bounds of the byte array.");
ByteArrayReader reader = new ByteArrayReader();
reader.Initialize(await ReadBytes(Length), 0);
return reader;
}
protected async Task ProcessCompressedBulkData(ByteArrayReader reader, Func<DomainCompressedChunkBulkData, Task> chunkHandler) {
DomainCompressedChunkBulkData compressedChunk = new DomainCompressedChunkBulkData();
// CompressedChunks.Add(compressedChunk);
await compressedChunk.ReadCompressedChunk(reader);
await chunkHandler(compressedChunk);
}
public async Task ReadImportTableEntry(ByteArrayReader reader, DomainHeader header) {
await Task.Run(() => PackageNameIndex.ReadNameTableIndex(reader, header));
await Task.Run(() => TypeNameIndex.ReadNameTableIndex(reader, header));
OwnerReference = reader.ReadInt32();
await Task.Run(() => NameTableIndex.ReadNameTableIndex(reader, header));
}
public ByteArrayReader Branch(int Offset) {
ByteArrayReader reader = new ByteArrayReader();
if (Offset < 0 || Offset > data.Length) throw new ArgumentOutOfRangeException(nameof(Offset), "Index value is outside the bounds of the byte array.");
reader.Initialize(data, Offset);
return reader;
}
protected async Task<int> ProcessUncompressedBulkData(ByteArrayReader reader, BulkDataCompressionTypes compressionFlags) {
DomainCompressedChunkBulkData compressedChunk = new DomainCompressedChunkBulkData();
CompressedChunks.Add(compressedChunk);
int builderSize = await compressedChunk.BuildCompressedChunk(reader, compressionFlags);
return builderSize;
}
public static ByteArrayReader CreateNew(byte[] Data, int Index) {
ByteArrayReader reader = new ByteArrayReader();
if (Data == null) Data = new byte[0];
if (Index < 0 || Index > Data.Length) throw new ArgumentOutOfRangeException(nameof(Index), "Index value is outside the bounds of the byte array.");
reader.Initialize(Data, Index);
return reader;
}
public virtual async Task ReadCompressedChunk(ByteArrayReader reader) {
UncompressedOffset = reader.ReadInt32();
UncompressedSize = reader.ReadInt32();
CompressedOffset = reader.ReadInt32();
CompressedSize = reader.ReadInt32();
Header = new DomainCompressedChunkHeader();
await Header.ReadCompressedChunkHeader(reader.Branch(CompressedOffset), 1, UncompressedSize, CompressedSize);
}
public async Task<int> BuildCompressedChunkBlockData(ByteArrayReader reader) {
UncompressedSize = reader.Remaining;
byte[] compressed = await reader.Compress();
CompressedData = ByteArrayReader.CreateNew(compressed, 0);
await CompressedData.Encrypt(); // TODO: Fix this to use the flag
CompressedSize = CompressedData.Remaining;
return CompressedSize + sizeof(int) * 2;
}
public override async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse) {
await base.ReadDomainObject(reader, header, export, skipProperties, skipParse);
if (skipParse) return;
await ProcessCompressedBulkData(reader, async bulkChunk => {
byte[] bik = (await bulkChunk.DecompressChunk(0))?.GetBytes();
if (bik == null || bik.Length == 0) return;
Movie = bik;
});
}
public DomainHeader(ByteArrayReader Reader) {
reader = Reader;
Group = new DomainString();
GenerationTable = new List<DomainGenerationTableEntry>();
CompressedChunks = new List<DomainCompressedChunk>();
NameTable = new List<DomainNameTableEntry>();
ExportTable = new List<DomainExportTableEntry>();
ImportTable = new List<DomainImportTableEntry>();
}
public async Task ReadProperty(ByteArrayReader reader, DomainHeader header) {
await Task.Run(() => NameIndex.ReadNameTableIndex(reader, header));
if (NameIndex.Name == ObjectTypes.None.ToString()) return;
await Task.Run(() => TypeNameIndex.ReadNameTableIndex(reader, header));
Size = reader.ReadInt32();
ArrayIndex = reader.ReadInt32();
Value = propertyValueFactory();
await Value.ReadPropertyValue(reader, Size, header);
}
public override async Task ReadCompressedChunk(ByteArrayReader reader) {
BulkDataFlags = reader.ReadUInt32();
UncompressedSize = reader.ReadInt32();
CompressedSize = reader.ReadInt32();
CompressedOffset = reader.ReadInt32();
if (((BulkDataCompressionTypes)BulkDataFlags & NothingToDo) > 0) return;
Header = new DomainCompressedChunkHeader();
await Header.ReadCompressedChunkHeader(reader, BulkDataFlags, UncompressedSize, CompressedSize);
}
internal async Task ReadPropertyHeader(ByteArrayReader reader, DomainHeader header) {
TypeIndex = reader.ReadInt32();
do {
DomainProperty property = new DomainProperty();
await property.ReadProperty(reader, header);
Properties.Add(property);
if (property.NameIndex.Name == ObjectTypes.None.ToString()) break;
}
while(true);
}
public async Task<int> BuildCompressedChunk(ByteArrayReader reader, BulkDataCompressionTypes compressionFlags) {
BulkDataFlags = (uint)compressionFlags;
int builderSize = sizeof(uint)
+ sizeof(int) * 3;
if ((compressionFlags & NothingToDo) > 0) return builderSize;
reader.Seek(0);
UncompressedSize = reader.Remaining;
Header = new DomainCompressedChunkHeader();
builderSize += await Header.BuildCompressedChunkHeader(reader, BulkDataFlags);
CompressedSize = builderSize - 16;
return builderSize;
}
public override async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse) {
await base.ReadDomainObject(reader, header, export, skipProperties, skipParse);
if (skipParse) return;
bool done = false;
do {
await ProcessCompressedBulkData(reader, async bulkChunk => {
byte[] ogg = (await bulkChunk.DecompressChunk(0))?.GetBytes();
if (ogg == null || ogg.Length == 0) {
done = true;
return;
}
Sounds.Add(ogg);
});
} while(!done);
}
public override async Task ReadDomainObject(ByteArrayReader reader, DomainHeader header, DomainExportTableEntry export, bool skipProperties, bool skipParse) {
await base.ReadDomainObject(reader, header, export, skipProperties, skipParse);
if (skipParse) return;
MipMapsCount = reader.ReadInt32();
for(int i = 0; i < MipMapsCount; ++i) {
await ProcessCompressedBulkData(reader, async bulkChunk => {
DomainMipMap mip = new DomainMipMap {
Width = reader.ReadInt32(),
Height = reader.ReadInt32()
};
if (mip.Width >= 4 || mip.Height >= 4) mip.ImageData = (await bulkChunk.DecompressChunk(0))?.GetBytes();
MipMaps.Add(mip);
});
}
Guid = await reader.ReadBytes(16);
}
public async Task ReadString(ByteArrayReader reader) {
Size = reader.ReadInt32();
if (Size == 0) {
String = String.Empty;
return;
}
if (Size < 0) {
int size = -Size * 2;
byte[] str = await reader.ReadBytes(size);
String = Encoding.Unicode.GetString(str);
}
else {
byte[] str = await reader.ReadBytes(Size - 1);
reader.Skip(1); // NULL Terminator
String = Encoding.ASCII.GetString(str);
}
}
public async Task ReadNameTableEntry(ByteArrayReader reader) {
await Name.ReadString(reader);
Flags = reader.ReadUInt64();
}
public override async Task ReadPropertyValue(ByteArrayReader reader, int size, DomainHeader header) {
await Task.Run(() => NameIndexValue.ReadNameTableIndex(reader, header));
}
public async Task ReadHeaderAsync(Action<DomainLoadProgress> progress) {
DomainLoadProgress message = new DomainLoadProgress { Text = "Parsing Header..." };
progress?.Invoke(message);
await readUpkHeader();
const CompressionTypes validCompression = CompressionTypes.LZO | CompressionTypes.LZO_ENC;
if (((CompressionTypes)CompressionFlags & validCompression) > 0 ) {
message.Text = "Decompressing...";
progress?.Invoke(message);
reader = await decompressChunks();
}
else if (CompressionFlags > 0) throw new Exception($"Unsupported compression type 0x{CompressionFlags:X8}.");
await readNameTable(progress);
await readImportTable(progress);
await readExportTable(progress);
message.Text = "Slicing and Dicing...";
progress?.Invoke(message);
await readDependsTable();
if (CookerVersion != 0) await decodePointers();
message.Text = "Reading Objects...";
message.Total = ExportTableCount;
progress?.Invoke(message);
await ExportTable.ForEachAsync(export => {
return export.ReadDomainObject(reader).ContinueWith(t => {
message.IncrementCurrent();
if (ExportTableCount > 100) progress?.Invoke(message);
});
});
message.IsComplete = true;
progress?.Invoke(message);
}
public override async Task ReadPropertyValue(ByteArrayReader reader, int size, DomainHeader header) {
await stringValue.ReadString(reader);
}
internal async Task ReadDomainObject(ByteArrayReader reader) {
DomainObjectReader = await reader.Splice(SerialDataOffset, SerialDataSize);
}
