private void ReadTypeTree5(List <TypeTreeNode> typeTree)
{
int numberOfNodes = reader.ReadInt32();
int stringBufferSize = reader.ReadInt32();
reader.Position += numberOfNodes * 24;
using (var stringBufferReader = new BinaryReader(new MemoryStream(reader.ReadBytes(stringBufferSize))))
{
reader.Position -= numberOfNodes * 24 + stringBufferSize;
for (int i = 0; i < numberOfNodes; i++)
{
var typeTreeNode = new TypeTreeNode();
typeTree.Add(typeTreeNode);
typeTreeNode.m_Version = reader.ReadUInt16();
typeTreeNode.m_Level = reader.ReadByte();
typeTreeNode.m_IsArray = reader.ReadBoolean() ? 1 : 0;
var m_TypeStrOffset = reader.ReadUInt16();
var temp = reader.ReadUInt16();
if (temp == 0)
{
stringBufferReader.BaseStream.Position = m_TypeStrOffset;
typeTreeNode.m_Type = stringBufferReader.ReadStringToNull();
}
else
{
typeTreeNode.m_Type = CommonString.StringBuffer.ContainsKey(m_TypeStrOffset) ? CommonString.StringBuffer[m_TypeStrOffset] : m_TypeStrOffset.ToString();
}
var m_NameStrOffset = reader.ReadUInt16();
temp = reader.ReadUInt16();
if (temp == 0)
{
stringBufferReader.BaseStream.Position = m_NameStrOffset;
typeTreeNode.m_Name = stringBufferReader.ReadStringToNull();
}
else
{
typeTreeNode.m_Name = CommonString.StringBuffer.ContainsKey(m_NameStrOffset) ? CommonString.StringBuffer[m_NameStrOffset] : m_NameStrOffset.ToString();
}
typeTreeNode.m_ByteSize = reader.ReadInt32();
typeTreeNode.m_Index = reader.ReadInt32();
typeTreeNode.m_MetaFlag = reader.ReadInt32();
}
reader.Position += stringBufferSize;
}
}
private void ReadTypeTree5(List <TypeTreeNode> typeTree)
{
int numberOfNodes = reader.ReadInt32();
int stringBufferSize = reader.ReadInt32();
var nodeSize = 24;
if (header.m_Version > 17)
{
nodeSize = 32;
}
reader.Position += numberOfNodes * nodeSize;
using (var stringBufferReader = new BinaryReader(new MemoryStream(reader.ReadBytes(stringBufferSize))))
{
reader.Position -= numberOfNodes * nodeSize + stringBufferSize;
for (int i = 0; i < numberOfNodes; i++)
{
var typeTreeNode = new TypeTreeNode();
typeTree.Add(typeTreeNode);
typeTreeNode.m_Version = reader.ReadUInt16();
typeTreeNode.m_Level = reader.ReadByte();
typeTreeNode.m_IsArray = reader.ReadBoolean() ? 1 : 0;
typeTreeNode.m_TypeStrOffset = reader.ReadUInt32();
typeTreeNode.m_NameStrOffset = reader.ReadUInt32();
typeTreeNode.m_ByteSize = reader.ReadInt32();
typeTreeNode.m_Index = reader.ReadInt32();
typeTreeNode.m_MetaFlag = reader.ReadInt32();
if (header.m_Version > 17)
{
reader.Position += 8;
}
typeTreeNode.m_Type = ReadString(stringBufferReader, typeTreeNode.m_TypeStrOffset);
typeTreeNode.m_Name = ReadString(stringBufferReader, typeTreeNode.m_NameStrOffset);
}
reader.Position += stringBufferSize;
}
if (header.m_Version >= 21)
{
reader.Position += 4;
}
string ReadString(BinaryReader stringBufferReader, uint value)
{
var isOffset = (value & 0x80000000) == 0;
if (isOffset)
{
stringBufferReader.BaseStream.Position = value;
return(stringBufferReader.ReadStringToNull());
}
var offset = value & 0x7FFFFFFF;
if (CommonString.StringBuffer.TryGetValue(offset, out var str))
{
return(str);
}
return(offset.ToString());
}
}
private void TypeTreeBlobRead(List <TypeTreeNode> typeTree)
{
int numberOfNodes = reader.ReadInt32();
int stringBufferSize = reader.ReadInt32();
for (int i = 0; i < numberOfNodes; i++)
{
var typeTreeNode = new TypeTreeNode();
typeTree.Add(typeTreeNode);
typeTreeNode.m_Version = reader.ReadUInt16();
typeTreeNode.m_Level = reader.ReadByte();
typeTreeNode.m_IsArray = reader.ReadBoolean() ? 1 : 0;
typeTreeNode.m_TypeStrOffset = reader.ReadUInt32();
typeTreeNode.m_NameStrOffset = reader.ReadUInt32();
typeTreeNode.m_ByteSize = reader.ReadInt32();
typeTreeNode.m_Index = reader.ReadInt32();
typeTreeNode.m_MetaFlag = reader.ReadInt32();
if (header.m_Version >= 19)
{
typeTreeNode.m_RefTypeHash = reader.ReadUInt64();
}
}
var m_StringBuffer = reader.ReadBytes(stringBufferSize);
using (var stringBufferReader = new BinaryReader(new MemoryStream(m_StringBuffer)))
{
for (int i = 0; i < numberOfNodes; i++)
{
var typeTreeNode = typeTree[i];
typeTreeNode.m_Type = ReadString(stringBufferReader, typeTreeNode.m_TypeStrOffset);
typeTreeNode.m_Name = ReadString(stringBufferReader, typeTreeNode.m_NameStrOffset);
}
}
string ReadString(BinaryReader stringBufferReader, uint value)
{
var isOffset = (value & 0x80000000) == 0;
if (isOffset)
{
stringBufferReader.BaseStream.Position = value;
return(stringBufferReader.ReadStringToNull());
}
var offset = value & 0x7FFFFFFF;
if (CommonString.StringBuffer.TryGetValue(offset, out var str))
{
return(str);
}
return(offset.ToString());
}
}
private void TypeTreeBlobRead(TypeTree m_Type)
{
int numberOfNodes = reader.ReadInt32();
int stringBufferSize = reader.ReadInt32();
for (int i = 0; i < numberOfNodes; i++)
{
var typeTreeNode = new TypeTreeNode();
m_Type.m_Nodes.Add(typeTreeNode);
typeTreeNode.m_Version = reader.ReadUInt16();
typeTreeNode.m_Level = reader.ReadByte();
typeTreeNode.m_TypeFlags = reader.ReadByte();
typeTreeNode.m_TypeStrOffset = reader.ReadUInt32();
typeTreeNode.m_NameStrOffset = reader.ReadUInt32();
typeTreeNode.m_ByteSize = reader.ReadInt32();
typeTreeNode.m_Index = reader.ReadInt32();
typeTreeNode.m_MetaFlag = reader.ReadInt32();
if (header.m_Version >= SerializedFileFormatVersion.kTypeTreeNodeWithTypeFlags)
{
typeTreeNode.m_RefTypeHash = reader.ReadUInt64();
}
}
m_Type.m_StringBuffer = reader.ReadBytes(stringBufferSize);
using (var stringBufferReader = new BinaryReader(new MemoryStream(m_Type.m_StringBuffer)))
{
for (int i = 0; i < numberOfNodes; i++)
{
var m_Node = m_Type.m_Nodes[i];
m_Node.m_Type = ReadString(stringBufferReader, m_Node.m_TypeStrOffset);
m_Node.m_Name = ReadString(stringBufferReader, m_Node.m_NameStrOffset);
}
}
string ReadString(BinaryReader stringBufferReader, uint value)
{
var isOffset = (value & 0x80000000) == 0;
if (isOffset)
{
stringBufferReader.BaseStream.Position = value;
return(stringBufferReader.ReadStringToNull());
}
var offset = value & 0x7FFFFFFF;
if (CommonString.StringBuffer.TryGetValue(offset, out var str))
{
return(str);
}
return(offset.ToString());
}
}
private void readBase5()
{
int classID = reader.ReadInt32();
if (fileGen > 15)//5.5.0 and up
{
reader.ReadByte();
int type1;
if ((type1 = reader.ReadInt16()) >= 0)
{
type1 = -1 - type1;
}
else
{
type1 = classID;
}
classIDs.Add(new[] { type1, classID });
if (classID == 114)
{
reader.Position += 16;
}
classID = type1;
}
else if (classID < 0)
{
reader.Position += 16;
}
reader.Position += 16;
if (baseDefinitions)
{
int varCount = reader.ReadInt32();
int stringSize = reader.ReadInt32();
reader.Position += varCount * 24;
using (var stringReader = new BinaryReader(new MemoryStream(reader.ReadBytes(stringSize))))
{
string className = "";
var classVar = new List <ClassMember>();
//build Class Structures
reader.Position -= varCount * 24 + stringSize;
for (int i = 0; i < varCount; i++)
{
ushort num0 = reader.ReadUInt16();
byte level = reader.ReadByte();
bool isArray = reader.ReadBoolean();
ushort varTypeIndex = reader.ReadUInt16();
ushort test = reader.ReadUInt16();
string varTypeStr;
if (test == 0) //varType is an offset in the string block
{
stringReader.BaseStream.Position = varTypeIndex;
varTypeStr = stringReader.ReadStringToNull();
}
else //varType is an index in an internal strig array
{
varTypeStr = baseStrings.ContainsKey(varTypeIndex) ? baseStrings[varTypeIndex] : varTypeIndex.ToString();
}
ushort varNameIndex = reader.ReadUInt16();
test = reader.ReadUInt16();
string varNameStr;
if (test == 0)
{
stringReader.BaseStream.Position = varNameIndex;
varNameStr = stringReader.ReadStringToNull();
}
else
{
varNameStr = baseStrings.ContainsKey(varNameIndex) ? baseStrings[varNameIndex] : varNameIndex.ToString();
}
int size = reader.ReadInt32();
int index = reader.ReadInt32();
int flag = reader.ReadInt32();
if (index == 0)
{
className = varTypeStr + " " + varNameStr;
}
else
{
classVar.Add(new ClassMember
{
Level = level - 1,
Type = varTypeStr,
Name = varNameStr,
Size = size,
Flag = flag
});
}
}
reader.Position += stringSize;
var aClass = new ClassStruct {
ID = classID, Text = className, members = classVar
};
aClass.SubItems.Add(classID.ToString());
ClassStructures[classID] = aClass;
}
}
}
public SerializedFile(AssetsManager assetsManager, string fullName, EndianBinaryReader reader)
{
this.assetsManager = assetsManager;
this.reader = reader;
this.fullName = fullName;
fileName = Path.GetFileName(fullName);
//ReadHeader
header = new SerializedFileHeader();
header.m_MetadataSize = reader.ReadUInt32();
header.m_FileSize = reader.ReadUInt32();
header.m_Version = reader.ReadUInt32();
header.m_DataOffset = reader.ReadUInt32();
if (header.m_Version >= 9)
{
header.m_Endianess = reader.ReadByte();
header.m_Reserved = reader.ReadBytes(3);
m_FileEndianess = (EndianType)header.m_Endianess;
}
else
{
reader.Position = header.m_FileSize - header.m_MetadataSize;
m_FileEndianess = (EndianType)reader.ReadByte();
}
if (header.m_Version >= 22)
{
header.m_MetadataSize = reader.ReadUInt32();
header.m_FileSize = reader.ReadInt64();
header.m_DataOffset = reader.ReadInt64();
reader.ReadInt64(); // unknown
}
//ReadMetadata
if (m_FileEndianess == EndianType.LittleEndian)
{
reader.endian = EndianType.LittleEndian;
}
if (header.m_Version >= 7)
{
unityVersion = reader.ReadStringToNull();
SetVersion(unityVersion);
}
if (header.m_Version >= 8)
{
m_TargetPlatform = (BuildTarget)reader.ReadInt32();
if (!Enum.IsDefined(typeof(BuildTarget), m_TargetPlatform))
{
m_TargetPlatform = BuildTarget.UnknownPlatform;
}
}
if (header.m_Version >= 13)
{
m_EnableTypeTree = reader.ReadBoolean();
}
//ReadTypes
int typeCount = reader.ReadInt32();
m_Types = new List <SerializedType>(typeCount);
for (int i = 0; i < typeCount; i++)
{
m_Types.Add(ReadSerializedType());
}
var bigIDEnabled = 0;
if (header.m_Version >= 7 && header.m_Version < 14)
{
bigIDEnabled = reader.ReadInt32();
}
//ReadObjects
int objectCount = reader.ReadInt32();
m_Objects = new List <ObjectInfo>(objectCount);
Objects = new List <Object>(objectCount);
ObjectsDic = new Dictionary <long, Object>(objectCount);
for (int i = 0; i < objectCount; i++)
{
var objectInfo = new ObjectInfo();
if (bigIDEnabled != 0)
{
objectInfo.m_PathID = reader.ReadInt64();
}
else if (header.m_Version < 14)
{
objectInfo.m_PathID = reader.ReadInt32();
}
else
{
reader.AlignStream();
objectInfo.m_PathID = reader.ReadInt64();
}
if (header.m_Version >= 22)
{
objectInfo.byteStart = reader.ReadInt64();
}
else
{
objectInfo.byteStart = reader.ReadUInt32();
}
objectInfo.byteStart += header.m_DataOffset;
objectInfo.byteSize = reader.ReadUInt32();
objectInfo.typeID = reader.ReadInt32();
if (header.m_Version < 16)
{
objectInfo.classID = reader.ReadUInt16();
objectInfo.serializedType = m_Types.Find(x => x.classID == objectInfo.typeID);
}
else
{
var type = m_Types[objectInfo.typeID];
objectInfo.serializedType = type;
objectInfo.classID = type.classID;
}
if (header.m_Version < 11)
{
var isDestroyed = reader.ReadUInt16();
}
if (header.m_Version >= 11 && header.m_Version < 17)
{
var m_ScriptTypeIndex = reader.ReadInt16();
if (objectInfo.serializedType != null)
{
objectInfo.serializedType.m_ScriptTypeIndex = m_ScriptTypeIndex;
}
}
if (header.m_Version == 15 || header.m_Version == 16)
{
var stripped = reader.ReadByte();
}
m_Objects.Add(objectInfo);
}
if (header.m_Version >= 11)
{
int scriptCount = reader.ReadInt32();
m_ScriptTypes = new List <LocalSerializedObjectIdentifier>(scriptCount);
for (int i = 0; i < scriptCount; i++)
{
var m_ScriptType = new LocalSerializedObjectIdentifier();
m_ScriptType.localSerializedFileIndex = reader.ReadInt32();
if (header.m_Version < 14)
{
m_ScriptType.localIdentifierInFile = reader.ReadInt32();
}
else
{
reader.AlignStream();
m_ScriptType.localIdentifierInFile = reader.ReadInt64();
}
m_ScriptTypes.Add(m_ScriptType);
}
}
int externalsCount = reader.ReadInt32();
m_Externals = new List <FileIdentifier>(externalsCount);
for (int i = 0; i < externalsCount; i++)
{
var m_External = new FileIdentifier();
if (header.m_Version >= 6)
{
var tempEmpty = reader.ReadStringToNull();
}
if (header.m_Version >= 5)
{
m_External.guid = new Guid(reader.ReadBytes(16));
m_External.type = reader.ReadInt32();
}
m_External.pathName = reader.ReadStringToNull();
m_External.fileName = Path.GetFileName(m_External.pathName);
m_Externals.Add(m_External);
}
if (header.m_Version >= 20)
{
int refTypesCount = reader.ReadInt32();
m_RefTypes = new List <SerializedType>(refTypesCount);
for (int i = 0; i < refTypesCount; i++)
{
m_RefTypes.Add(ReadSerializedType());
}
}
if (header.m_Version >= 5)
{
var userInformation = reader.ReadStringToNull();
}
//reader.AlignStream(16);
}
private void ReadBlocksInfoAndDirectory(EndianBinaryReader reader)
{
byte[] blocksInfoBytes;
if (m_Header.version >= 7)
{
reader.AlignStream(16);
}
if ((m_Header.flags & 0x80) != 0) //kArchiveBlocksInfoAtTheEnd
{
var position = reader.Position;
reader.Position = reader.BaseStream.Length - m_Header.compressedBlocksInfoSize;
blocksInfoBytes = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
reader.Position = position;
}
else //0x40 kArchiveBlocksAndDirectoryInfoCombined
{
blocksInfoBytes = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
}
var blocksInfoCompressedStream = new MemoryStream(blocksInfoBytes);
MemoryStream blocksInfoUncompresseddStream;
switch (m_Header.flags & 0x3F) //kArchiveCompressionTypeMask
{
default: //None
{
blocksInfoUncompresseddStream = blocksInfoCompressedStream;
break;
}
case 2: //LZ4
case 3: //LZ4HC
{
var uncompressedBytes = new byte[m_Header.uncompressedBlocksInfoSize];
using (var decoder = new Lz4DecoderStream(blocksInfoCompressedStream))
{
decoder.Read(uncompressedBytes, 0, uncompressedBytes.Length);
}
blocksInfoUncompresseddStream = new MemoryStream(uncompressedBytes);
break;
}
}
using (var blocksInfoReader = new EndianBinaryReader(blocksInfoUncompresseddStream))
{
var uncompressedDataHash = blocksInfoReader.ReadBytes(16);
var blocksInfoCount = blocksInfoReader.ReadInt32();
m_BlocksInfo = new StorageBlock[blocksInfoCount];
uint offset = 0;
for (int i = 0; i < blocksInfoCount; i++)
{
m_BlocksInfo[i] = new StorageBlock
{
offset = offset,
uncompressedSize = blocksInfoReader.ReadUInt32(),
compressedSize = blocksInfoReader.ReadUInt32(),
flags = blocksInfoReader.ReadUInt16()
};
offset += m_BlocksInfo[i].compressedSize;
}
var nodesCount = blocksInfoReader.ReadInt32();
m_DirectoryInfo = new Node[nodesCount];
for (int i = 0; i < nodesCount; i++)
{
m_DirectoryInfo[i] = new Node
{
offset = blocksInfoReader.ReadInt64(),
size = blocksInfoReader.ReadInt64(),
flags = blocksInfoReader.ReadUInt32(),
path = blocksInfoReader.ReadStringToNull(),
};
}
}
}
private void ReadTypeTree5()
{
int classID = reader.ReadInt32();
if (header.m_Version > 15)//5.5.0 and up
{
reader.ReadByte();
int typeID = reader.ReadInt16();
if (typeID >= 0)
{
typeID = -1 - typeID;
}
else
{
typeID = classID;
}
classIDs.Add(new[] { typeID, classID });
if (classID == 114)
{
reader.Position += 16;
}
classID = typeID;
}
else if (classID < 0)
{
reader.Position += 16;
}
reader.Position += 16;
if (serializedTypeTrees)
{
int varCount = reader.ReadInt32();
int stringSize = reader.ReadInt32();
reader.Position += varCount * 24;
using (var stringReader = new BinaryReader(new MemoryStream(reader.ReadBytes(stringSize))))
{
var typeTreeList = new List <TypeTree>();
reader.Position -= varCount * 24 + stringSize;
for (int i = 0; i < varCount; i++)
{
var typeTree = new TypeTree();
typeTreeList.Add(typeTree);
typeTree.m_Version = reader.ReadUInt16();
typeTree.m_Depth = reader.ReadByte();
typeTree.m_IsArray = reader.ReadBoolean() ? 1 : 0;
ushort varTypeIndex = reader.ReadUInt16();
ushort test = reader.ReadUInt16();
if (test == 0) //varType is an offset in the string block
{
stringReader.BaseStream.Position = varTypeIndex;
typeTree.m_Type = stringReader.ReadStringToNull();
}
else //varType is an index in an internal strig array
{
typeTree.m_Type = baseStrings.ContainsKey(varTypeIndex) ? baseStrings[varTypeIndex] : varTypeIndex.ToString();
}
ushort varNameIndex = reader.ReadUInt16();
test = reader.ReadUInt16();
if (test == 0)
{
stringReader.BaseStream.Position = varNameIndex;
typeTree.m_Name = stringReader.ReadStringToNull();
}
else
{
typeTree.m_Name = baseStrings.ContainsKey(varNameIndex) ? baseStrings[varNameIndex] : varNameIndex.ToString();
}
typeTree.m_ByteSize = reader.ReadInt32();
typeTree.m_Index = reader.ReadInt32();
typeTree.m_MetaFlag = reader.ReadInt32();
}
reader.Position += stringSize;
m_Type[classID] = typeTreeList;
}
}
}
public AssetsFile(string fullName, EndianBinaryReader reader)
{
this.reader = reader;
filePath = fullName;
fileName = Path.GetFileName(fullName);
upperFileName = fileName.ToUpper();
try
{
//SerializedFile::ReadHeader
header = new SerializedFileHeader();
header.m_MetadataSize = reader.ReadUInt32();
header.m_FileSize = reader.ReadUInt32();
header.m_Version = reader.ReadUInt32();
header.m_DataOffset = reader.ReadUInt32();
if (header.m_Version >= 9)
{
header.m_Endianess = reader.ReadByte();
header.m_Reserved = reader.ReadBytes(3);
m_FileEndianess = (EndianType)header.m_Endianess;
}
else
{
reader.Position = header.m_FileSize - header.m_MetadataSize;
m_FileEndianess = (EndianType)reader.ReadByte();
}
//SerializedFile::ReadMetadata
if (m_FileEndianess == EndianType.LittleEndian)
{
reader.endian = EndianType.LittleEndian;
}
if (header.m_Version >= 7)
{
unityVersion = reader.ReadStringToNull();
}
if (header.m_Version >= 8)
{
m_TargetPlatform = (BuildTarget)reader.ReadInt32();
if (!Enum.IsDefined(typeof(BuildTarget), m_TargetPlatform))
{
m_TargetPlatform = BuildTarget.UnknownPlatform;
}
}
platformStr = m_TargetPlatform.ToString();
if (header.m_Version >= 14)
{
serializedTypeTrees = reader.ReadBoolean();
}
// Read types
int typeCount = reader.ReadInt32();
for (int i = 0; i < typeCount; i++)
{
if (header.m_Version < 14)
{
int classID = reader.ReadInt32();
var typeTreeList = new List <TypeTree>();
ReadTypeTree(typeTreeList, 0);
m_Type.Add(classID, typeTreeList);
}
else
{
ReadTypeTree5();
}
}
if (header.m_Version >= 7 && header.m_Version < 14)
{
var bigIDEnabled = reader.ReadInt32();
}
// Read Objects
int objectCount = reader.ReadInt32();
string assetIDfmt = "D" + objectCount.ToString().Length; //format for unique ID
for (int i = 0; i < objectCount; i++)
{
//each table entry is aligned individually, not the whole table
if (header.m_Version >= 14)
{
reader.AlignStream(4);
}
AssetPreloadData asset = new AssetPreloadData();
asset.m_PathID = header.m_Version < 14 ? reader.ReadInt32() : reader.ReadInt64();
asset.Offset = reader.ReadUInt32();
asset.Offset += header.m_DataOffset;
asset.Size = reader.ReadInt32();
if (header.m_Version > 15)
{
int index = reader.ReadInt32();
asset.Type1 = classIDs[index][0];
asset.Type2 = classIDs[index][1];
}
else
{
asset.Type1 = reader.ReadInt32();
asset.Type2 = reader.ReadUInt16();
reader.Position += 2;
}
if (header.m_Version == 15)
{
byte unknownByte = reader.ReadByte();
//this is a single byte, not an int32
//the next entry is aligned after this
//but not the last!
}
if (Enum.IsDefined(typeof(ClassIDReference), asset.Type2))
{
asset.Type = (ClassIDReference)asset.Type2;
asset.TypeString = asset.Type.ToString();
}
else
{
asset.Type = ClassIDReference.UnknownType;
asset.TypeString = "UnknownType " + asset.Type2;
}
asset.uniqueID = i.ToString(assetIDfmt);
asset.fullSize = asset.Size;
asset.sourceFile = this;
preloadTable.Add(asset.m_PathID, asset);
#region read BuildSettings to get version for version 2.x files
if (asset.Type == ClassIDReference.BuildSettings && header.m_Version == 6)
{
long nextAsset = reader.Position;
BuildSettings BSettings = new BuildSettings(asset);
unityVersion = BSettings.m_Version;
reader.Position = nextAsset;
}
#endregion
}
if (header.m_Version >= 14)
{
//this looks like a list of assets that need to be preloaded in memory before anytihng else
int someCount = reader.ReadInt32();
for (int i = 0; i < someCount; i++)
{
int num1 = reader.ReadInt32();
reader.AlignStream(4);
long m_PathID = reader.ReadInt64();
}
}
sharedAssetsList[0].fileName = fileName; //reference itself because sharedFileIDs start from 1
int sharedFileCount = reader.ReadInt32();
for (int i = 0; i < sharedFileCount; i++)
{
var shared = new SharedAssets();
shared.aName = reader.ReadStringToNull();
reader.Position += 20;
var sharedFilePath = reader.ReadStringToNull(); //relative path
shared.fileName = Path.GetFileName(sharedFilePath);
sharedAssetsList.Add(shared);
}
buildType = Regex.Replace(unityVersion, @"\d", "").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries);
var firstVersion = int.Parse(unityVersion.Split('.')[0]);
version = Regex.Matches(unityVersion, @"\d").Cast <Match>().Select(m => int.Parse(m.Value)).ToArray();
if (firstVersion > 5)//2017 and up
{
var nversion = new int[version.Length - 3];
nversion[0] = firstVersion;
Array.Copy(version, 4, nversion, 1, version.Length - 4);
version = nversion;
}
valid = true;
}
catch
{
}
}
private static object ReadValue(List <TypeTree> members, EndianBinaryReader reader, ref int i)
{
var member = members[i];
var level = member.m_Depth;
var varTypeStr = member.m_Type;
object value;
var align = (member.m_MetaFlag & 0x4000) != 0;
switch (varTypeStr)
{
case "SInt8":
value = reader.ReadSByte();
break;
case "UInt8":
value = reader.ReadByte();
break;
case "short":
case "SInt16":
value = reader.ReadInt16();
break;
case "UInt16":
case "unsigned short":
value = reader.ReadUInt16();
break;
case "int":
case "SInt32":
value = reader.ReadInt32();
break;
case "UInt32":
case "unsigned int":
case "Type*":
value = reader.ReadUInt32();
break;
case "long long":
case "SInt64":
value = reader.ReadInt64();
break;
case "UInt64":
case "unsigned long long":
value = reader.ReadUInt64();
break;
case "float":
value = reader.ReadSingle();
break;
case "double":
value = reader.ReadDouble();
break;
case "bool":
value = reader.ReadBoolean();
break;
case "string":
value = reader.ReadAlignedString();
i += 3;
break;
case "vector":
{
if ((members[i + 1].m_MetaFlag & 0x4000) != 0)
{
align = true;
}
var size = reader.ReadInt32();
var list = new List <object>(size);
var vector = GetMembers(members, level, i);
i += vector.Count - 1;
vector.RemoveRange(0, 3);
for (int j = 0; j < size; j++)
{
int tmp = 0;
list.Add(ReadValue(vector, reader, ref tmp));
}
value = list;
break;
}
case "map":
{
if ((members[i + 1].m_MetaFlag & 0x4000) != 0)
{
align = true;
}
var size = reader.ReadInt32();
var dic = new List <KeyValuePair <object, object> >(size);
var map = GetMembers(members, level, i);
i += map.Count - 1;
map.RemoveRange(0, 4);
var first = GetMembers(map, map[0].m_Depth, 0);
map.RemoveRange(0, first.Count);
var second = map;
for (int j = 0; j < size; j++)
{
int tmp1 = 0;
int tmp2 = 0;
dic.Add(new KeyValuePair <object, object>(ReadValue(first, reader, ref tmp1), ReadValue(second, reader, ref tmp2)));
}
value = dic;
break;
}
case "TypelessData":
{
var size = reader.ReadInt32();
value = reader.ReadBytes(size);
i += 2;
break;
}
default:
{
if (i != members.Count && members[i + 1].m_Type == "Array")
{
goto case "vector";
}
var @class = GetMembers(members, level, i);
@class.RemoveAt(0);
i += @class.Count;
var obj = new ExpandoObject();
var objdic = (IDictionary <string, object>)obj;
for (int j = 0; j < @class.Count; j++)
{
var classmember = @class[j];
var name = classmember.m_Name;
objdic[name] = ReadValue(@class, reader, ref j);
}
value = obj;
break;
}
}
if (align)
{
reader.AlignStream(4);
}
return(value);
}
private static void ReadStringValue(StringBuilder sb, List <TypeTree> members, EndianBinaryReader reader, ref int i)
{
var member = members[i];
var level = member.m_Depth;
var varTypeStr = member.m_Type;
var varNameStr = member.m_Name;
object value = null;
var append = true;
var align = (member.m_MetaFlag & 0x4000) != 0;
switch (varTypeStr)
{
case "SInt8":
value = reader.ReadSByte();
break;
case "UInt8":
value = reader.ReadByte();
break;
case "short":
case "SInt16":
value = reader.ReadInt16();
break;
case "UInt16":
case "unsigned short":
value = reader.ReadUInt16();
break;
case "int":
case "SInt32":
value = reader.ReadInt32();
break;
case "UInt32":
case "unsigned int":
case "Type*":
value = reader.ReadUInt32();
break;
case "long long":
case "SInt64":
value = reader.ReadInt64();
break;
case "UInt64":
case "unsigned long long":
value = reader.ReadUInt64();
break;
case "float":
value = reader.ReadSingle();
break;
case "double":
value = reader.ReadDouble();
break;
case "bool":
value = reader.ReadBoolean();
break;
case "string":
append = false;
var str = reader.ReadAlignedString();
sb.AppendFormat("{0}{1} {2} = \"{3}\"\r\n", (new string('\t', level)), varTypeStr, varNameStr, str);
i += 3;
break;
case "vector":
{
if ((members[i + 1].m_MetaFlag & 0x4000) != 0)
{
align = true;
}
append = false;
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level + 1)), "Array", "Array");
var size = reader.ReadInt32();
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level + 1)), "int", "size", size);
var vector = GetMembers(members, level, i);
i += vector.Count - 1;
vector.RemoveRange(0, 3);
for (int j = 0; j < size; j++)
{
sb.AppendFormat("{0}[{1}]\r\n", (new string('\t', level + 2)), j);
int tmp = 0;
ReadStringValue(sb, vector, reader, ref tmp);
}
break;
}
case "map":
{
if ((members[i + 1].m_MetaFlag & 0x4000) != 0)
{
align = true;
}
append = false;
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level + 1)), "Array", "Array");
var size = reader.ReadInt32();
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level + 1)), "int", "size", size);
var map = GetMembers(members, level, i);
i += map.Count - 1;
map.RemoveRange(0, 4);
var first = GetMembers(map, map[0].m_Depth, 0);
map.RemoveRange(0, first.Count);
var second = map;
for (int j = 0; j < size; j++)
{
sb.AppendFormat("{0}[{1}]\r\n", (new string('\t', level + 2)), j);
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level + 2)), "pair", "data");
int tmp1 = 0;
int tmp2 = 0;
ReadStringValue(sb, first, reader, ref tmp1);
ReadStringValue(sb, second, reader, ref tmp2);
}
break;
}
case "TypelessData":
{
append = false;
var size = reader.ReadInt32();
reader.ReadBytes(size);
i += 2;
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), "int", "size", size);
break;
}
default:
{
if (i != members.Count && members[i + 1].m_Type == "Array")
{
goto case "vector";
}
append = false;
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
var @class = GetMembers(members, level, i);
@class.RemoveAt(0);
i += @class.Count;
for (int j = 0; j < @class.Count; j++)
{
ReadStringValue(sb, @class, reader, ref j);
}
break;
}
}
if (append)
{
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), varTypeStr, varNameStr, value);
}
if (align)
{
reader.AlignStream(4);
}
}
public AssetsFile(string fullName, EndianBinaryReader reader)
{
this.reader = reader;
filePath = fullName;
fileName = Path.GetFileName(fullName);
upperFileName = fileName.ToUpper();
try
{
//SerializedFile::ReadHeader
header = new SerializedFileHeader();
header.m_MetadataSize = reader.ReadUInt32();
header.m_FileSize = reader.ReadUInt32();
header.m_Version = reader.ReadUInt32();
header.m_DataOffset = reader.ReadUInt32();
if (header.m_Version >= 9)
{
header.m_Endianess = reader.ReadByte();
header.m_Reserved = reader.ReadBytes(3);
m_FileEndianess = (EndianType)header.m_Endianess;
}
else
{
reader.Position = header.m_FileSize - header.m_MetadataSize;
m_FileEndianess = (EndianType)reader.ReadByte();
}
//SerializedFile::ReadMetadata
if (m_FileEndianess == EndianType.LittleEndian)
{
reader.endian = EndianType.LittleEndian;
}
if (header.m_Version >= 7)
{
unityVersion = reader.ReadStringToNull();
}
if (header.m_Version >= 8)
{
m_TargetPlatform = (BuildTarget)reader.ReadInt32();
if (!Enum.IsDefined(typeof(BuildTarget), m_TargetPlatform))
{
m_TargetPlatform = BuildTarget.UnknownPlatform;
}
}
platformStr = m_TargetPlatform.ToString();
if (header.m_Version >= 13)
{
m_EnableTypeTree = reader.ReadBoolean();
}
//Read types
int typeCount = reader.ReadInt32();
m_Types = new List <SerializedType>(typeCount);
for (int i = 0; i < typeCount; i++)
{
m_Types.Add(ReadSerializedType());
}
if (header.m_Version >= 7 && header.m_Version < 14)
{
var bigIDEnabled = reader.ReadInt32();
}
//Read Objects
int objectCount = reader.ReadInt32();
var assetIDfmt = "D" + objectCount.ToString().Length; //format for unique ID
m_Objects = new Dictionary <long, ObjectInfo>(objectCount);
for (int i = 0; i < objectCount; i++)
{
var objectInfo = new ObjectInfo();
if (header.m_Version < 14)
{
objectInfo.m_PathID = reader.ReadInt32();
}
else
{
reader.AlignStream(4);
objectInfo.m_PathID = reader.ReadInt64();
}
objectInfo.byteStart = reader.ReadUInt32();
objectInfo.byteStart += header.m_DataOffset;
objectInfo.byteSize = reader.ReadUInt32();
objectInfo.typeID = reader.ReadInt32();
if (header.m_Version < 16)
{
objectInfo.classID = reader.ReadUInt16();
objectInfo.serializedType = m_Types.Find(x => x.classID == objectInfo.typeID);
objectInfo.isDestroyed = reader.ReadUInt16();
}
else
{
var type = m_Types[objectInfo.typeID];
objectInfo.serializedType = type;
objectInfo.classID = type.classID;
}
if (header.m_Version == 15 || header.m_Version == 16)
{
var stripped = reader.ReadByte();
}
m_Objects.Add(objectInfo.m_PathID, objectInfo);
//Create AssetPreloadData
var asset = new AssetPreloadData(this, objectInfo, i.ToString(assetIDfmt));
preloadTable.Add(asset.m_PathID, asset);
#region read BuildSettings to get version for version 2.x files
if (asset.Type == ClassIDType.BuildSettings && header.m_Version == 6)
{
var nextAsset = reader.Position;
var BSettings = new BuildSettings(asset);
unityVersion = BSettings.m_Version;
reader.Position = nextAsset;
}
#endregion
}
if (header.m_Version >= 11)
{
int scriptCount = reader.ReadInt32();
m_ScriptTypes = new List <LocalSerializedObjectIdentifier>(scriptCount);
for (int i = 0; i < scriptCount; i++)
{
var m_ScriptType = new LocalSerializedObjectIdentifier();
m_ScriptType.localSerializedFileIndex = reader.ReadInt32();
if (header.m_Version < 14)
{
m_ScriptType.localIdentifierInFile = reader.ReadInt32();
}
else
{
reader.AlignStream(4);
m_ScriptType.localIdentifierInFile = reader.ReadInt64();
}
m_ScriptTypes.Add(m_ScriptType);
}
}
int externalsCount = reader.ReadInt32();
m_Externals = new List <FileIdentifier>(externalsCount);
for (int i = 0; i < externalsCount; i++)
{
var m_External = new FileIdentifier();
if (header.m_Version >= 6)
{
var tempEmpty = reader.ReadStringToNull();
}
if (header.m_Version >= 5)
{
m_External.guid = new Guid(reader.ReadBytes(16));
m_External.type = reader.ReadInt32();
}
m_External.pathName = reader.ReadStringToNull();
m_External.fileName = Path.GetFileName(m_External.pathName);
m_Externals.Add(m_External);
}
if (header.m_Version >= 5)
{
//var userInformation = reader.ReadStringToNull();
}
buildType = Regex.Replace(unityVersion, @"\d", "").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries);
var firstVersion = int.Parse(unityVersion.Split('.')[0]);
version = Regex.Matches(unityVersion, @"\d").Cast <Match>().Select(m => int.Parse(m.Value)).ToArray();
if (firstVersion > 5)//2017 and up
{
var nversion = new int[version.Length - 3];
nversion[0] = firstVersion;
Array.Copy(version, 4, nversion, 1, version.Length - 4);
version = nversion;
}
valid = true;
}
catch
{
}
}
public AssetsFile(string fullName, EndianBinaryReader reader)
{
assetsFileReader = reader;
filePath = fullName;
fileName = Path.GetFileName(fullName);
upperFileName = fileName.ToUpper();
try
{
int tableSize = assetsFileReader.ReadInt32();
int dataEnd = assetsFileReader.ReadInt32();
fileGen = assetsFileReader.ReadInt32();
uint dataOffset = assetsFileReader.ReadUInt32();
sharedAssetsList[0].fileName = fileName; //reference itself because sharedFileIDs start from 1
switch (fileGen)
{
case 6: //2.5.0 - 2.6.1
{
assetsFileReader.Position = (dataEnd - tableSize);
assetsFileReader.Position += 1;
break;
}
case 7: //3.0.0 beta
{
assetsFileReader.Position = (dataEnd - tableSize);
assetsFileReader.Position += 1;
m_Version = assetsFileReader.ReadStringToNull();
break;
}
case 8: //3.0.0 - 3.4.2
{
assetsFileReader.Position = (dataEnd - tableSize);
assetsFileReader.Position += 1;
m_Version = assetsFileReader.ReadStringToNull();
platform = assetsFileReader.ReadInt32();
break;
}
case 9: //3.5.0 - 4.6.x
{
assetsFileReader.Position += 4; //azero
m_Version = assetsFileReader.ReadStringToNull();
platform = assetsFileReader.ReadInt32();
break;
}
case 14: //5.0.0 beta and final
case 15: //5.0.1 - 5.4
case 16: //??.. no sure
case 17: //5.5.0 and up
{
assetsFileReader.Position += 4; //azero
m_Version = assetsFileReader.ReadStringToNull();
platform = assetsFileReader.ReadInt32();
baseDefinitions = assetsFileReader.ReadBoolean();
break;
}
default:
{
//MessageBox.Show("Unsupported version!" + fileGen, "AssetStudio Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
}
if (platform > 255 || platform < 0)
{
byte[] b32 = BitConverter.GetBytes(platform);
Array.Reverse(b32);
platform = BitConverter.ToInt32(b32, 0);
assetsFileReader.endian = EndianType.LittleEndian;
}
platformStr = Enum.IsDefined(typeof(BuildTarget), platform) ? ((BuildTarget)platform).ToString() : "Unknown Platform";
int baseCount = assetsFileReader.ReadInt32();
for (int i = 0; i < baseCount; i++)
{
if (fileGen < 14)
{
int classID = assetsFileReader.ReadInt32();
string baseType = assetsFileReader.ReadStringToNull();
string baseName = assetsFileReader.ReadStringToNull();
assetsFileReader.Position += 20;
int memberCount = assetsFileReader.ReadInt32();
var cb = new List <ClassMember>();
for (int m = 0; m < memberCount; m++)
{
readBase(cb, 1);
}
var aClass = new ClassStruct {
ID = classID, Text = (baseType + " " + baseName), members = cb
};
aClass.SubItems.Add(classID.ToString());
ClassStructures.Add(classID, aClass);
}
else
{
readBase5();
}
}
if (fileGen >= 7 && fileGen < 14)
{
assetsFileReader.Position += 4; //azero
}
int assetCount = assetsFileReader.ReadInt32();
#region asset preload table
string assetIDfmt = "D" + assetCount.ToString().Length; //format for unique ID
for (int i = 0; i < assetCount; i++)
{
//each table entry is aligned individually, not the whole table
if (fileGen >= 14)
{
assetsFileReader.AlignStream(4);
}
AssetPreloadData asset = new AssetPreloadData();
asset.m_PathID = fileGen < 14 ? assetsFileReader.ReadInt32() : assetsFileReader.ReadInt64();
asset.Offset = assetsFileReader.ReadUInt32();
asset.Offset += dataOffset;
asset.Size = assetsFileReader.ReadInt32();
if (fileGen > 15)
{
int index = assetsFileReader.ReadInt32();
asset.Type1 = classIDs[index][0];
asset.Type2 = classIDs[index][1];
}
else
{
asset.Type1 = assetsFileReader.ReadInt32();
asset.Type2 = assetsFileReader.ReadUInt16();
assetsFileReader.Position += 2;
}
if (fileGen == 15)
{
byte unknownByte = assetsFileReader.ReadByte();
//this is a single byte, not an int32
//the next entry is aligned after this
//but not the last!
}
if (Enum.IsDefined(typeof(ClassIDReference), asset.Type2))
{
asset.Type = (ClassIDReference)asset.Type2;
asset.TypeString = asset.Type.ToString();
}
else
{
asset.Type = ClassIDReference.UnknownType;
asset.TypeString = "UnknownType " + asset.Type2;
}
asset.uniqueID = i.ToString(assetIDfmt);
asset.fullSize = asset.Size;
asset.sourceFile = this;
preloadTable.Add(asset.m_PathID, asset);
#region read BuildSettings to get version for version 2.x files
if (asset.Type == ClassIDReference.BuildSettings && fileGen == 6)
{
long nextAsset = assetsFileReader.Position;
BuildSettings BSettings = new BuildSettings(asset);
m_Version = BSettings.m_Version;
assetsFileReader.Position = nextAsset;
}
#endregion
}
#endregion
buildType = Regex.Replace(m_Version, @"\d", "").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries);
version = Regex.Matches(m_Version, @"\d").Cast <Match>().Select(m => int.Parse(m.Value)).ToArray();
if (version[0] == 2 && version[1] == 0 && version[2] == 1 && version[3] == 7)//2017.x
{
var nversion = new int[version.Length - 3];
nversion[0] = 2017;
Array.Copy(version, 4, nversion, 1, version.Length - 4);
version = nversion;
}
if (fileGen >= 14)
{
//this looks like a list of assets that need to be preloaded in memory before anytihng else
int someCount = assetsFileReader.ReadInt32();
for (int i = 0; i < someCount; i++)
{
int num1 = assetsFileReader.ReadInt32();
assetsFileReader.AlignStream(4);
long m_PathID = assetsFileReader.ReadInt64();
}
}
int sharedFileCount = assetsFileReader.ReadInt32();
for (int i = 0; i < sharedFileCount; i++)
{
var shared = new SharedAssets();
shared.aName = assetsFileReader.ReadStringToNull();
assetsFileReader.Position += 20;
var sharedFilePath = assetsFileReader.ReadStringToNull(); //relative path
shared.fileName = Path.GetFileName(sharedFilePath);
sharedAssetsList.Add(shared);
}
valid = true;
}
catch
{
}
}
private void ReadBlocksInfoAndDirectory(EndianBinaryReader reader)
{
byte[] blocksInfoBytes;
if (m_Header.version >= 7)
{
reader.AlignStream(16);
}
if ((m_Header.flags & ArchiveFlags.BlocksInfoAtTheEnd) != 0)
{
var position = reader.Position;
reader.Position = reader.BaseStream.Length - m_Header.compressedBlocksInfoSize;
blocksInfoBytes = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
reader.Position = position;
}
else //0x40 BlocksAndDirectoryInfoCombined
{
blocksInfoBytes = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
}
MemoryStream blocksInfoUncompresseddStream;
var uncompressedSize = m_Header.uncompressedBlocksInfoSize;
var compressionType = (CompressionType)(m_Header.flags & ArchiveFlags.CompressionTypeMask);
switch (compressionType)
{
case CompressionType.None:
{
blocksInfoUncompresseddStream = new MemoryStream(blocksInfoBytes);
break;
}
case CompressionType.Lzma:
{
blocksInfoUncompresseddStream = new MemoryStream((int)(uncompressedSize));
using (var blocksInfoCompressedStream = new MemoryStream(blocksInfoBytes))
{
SevenZipHelper.StreamDecompress(blocksInfoCompressedStream, blocksInfoUncompresseddStream, m_Header.compressedBlocksInfoSize, m_Header.uncompressedBlocksInfoSize);
}
blocksInfoUncompresseddStream.Position = 0;
break;
}
case CompressionType.Lz4:
case CompressionType.Lz4HC:
{
var uncompressedBytes = new byte[uncompressedSize];
var numWrite = LZ4Codec.Decode(blocksInfoBytes, uncompressedBytes);
if (numWrite != uncompressedSize)
{
throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
}
blocksInfoUncompresseddStream = new MemoryStream(uncompressedBytes);
break;
}
default:
throw new IOException($"Unsupported compression type {compressionType}");
}
using (var blocksInfoReader = new EndianBinaryReader(blocksInfoUncompresseddStream))
{
var uncompressedDataHash = blocksInfoReader.ReadBytes(16);
var blocksInfoCount = blocksInfoReader.ReadInt32();
m_BlocksInfo = new StorageBlock[blocksInfoCount];
for (int i = 0; i < blocksInfoCount; i++)
{
m_BlocksInfo[i] = new StorageBlock
{
uncompressedSize = blocksInfoReader.ReadUInt32(),
compressedSize = blocksInfoReader.ReadUInt32(),
flags = (StorageBlockFlags)blocksInfoReader.ReadUInt16()
};
}
var nodesCount = blocksInfoReader.ReadInt32();
m_DirectoryInfo = new Node[nodesCount];
for (int i = 0; i < nodesCount; i++)
{
m_DirectoryInfo[i] = new Node
{
offset = blocksInfoReader.ReadInt64(),
size = blocksInfoReader.ReadInt64(),
flags = blocksInfoReader.ReadUInt32(),
path = blocksInfoReader.ReadStringToNull(),
};
}
}
if ((m_Header.flags & ArchiveFlags.BlockInfoNeedPaddingAtStart) != 0)
{
reader.AlignStream(16);
}
}
public static void ReadClassStruct(StringBuilder sb, List <ClassMember> members, EndianBinaryReader reader)
{
for (int i = 0; i < members.Count; i++)
{
var member = members[i];
var level = member.Level;
var varTypeStr = member.Type;
var varNameStr = member.Name;
object value = null;
var align = (member.Flag & 0x4000) != 0;
var append = true;
if (member.alignBefore)
{
reader.AlignStream(4);
}
switch (varTypeStr)
{
case "SInt8":
value = reader.ReadSByte();
break;
case "UInt8":
value = reader.ReadByte();
break;
case "short":
case "SInt16":
value = reader.ReadInt16();
break;
case "UInt16":
case "unsigned short":
value = reader.ReadUInt16();
break;
case "int":
case "SInt32":
value = reader.ReadInt32();
break;
case "UInt32":
case "unsigned int":
case "Type*":
value = reader.ReadUInt32();
break;
case "long long":
case "SInt64":
value = reader.ReadInt64();
break;
case "UInt64":
case "unsigned long long":
value = reader.ReadUInt64();
break;
case "float":
value = reader.ReadSingle();
break;
case "double":
value = reader.ReadDouble();
break;
case "bool":
value = reader.ReadBoolean();
break;
case "string":
append = false;
var str = reader.ReadAlignedString();
sb.AppendFormat("{0}{1} {2} = \"{3}\"\r\n", (new string('\t', level)), varTypeStr, varNameStr, str);
i += 3; //skip
break;
case "Array":
{
append = false;
if ((members[i - 1].Flag & 0x4000) != 0)
{
align = true;
}
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
var size = reader.ReadInt32();
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), "int", "size", size);
var array = ReadArray(members, level, i);
for (int j = 0; j < size; j++)
{
sb.AppendFormat("{0}[{1}]\r\n", (new string('\t', level + 1)), j);
ReadClassStruct(sb, array, reader);
}
i += array.Count + 1; //skip
break;
}
case "TypelessData":
{
append = false;
var size = reader.ReadInt32();
reader.ReadBytes(size);
i += 2;
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), "int", "size", size);
break;
}
default:
append = false;
if (align)
{
align = false;
SetAlignBefore(members, level, i + 1);
}
sb.AppendFormat("{0}{1} {2}\r\n", (new string('\t', level)), varTypeStr, varNameStr);
break;
}
if (append)
{
sb.AppendFormat("{0}{1} {2} = {3}\r\n", (new string('\t', level)), varTypeStr, varNameStr, value);
}
if (align)
{
reader.AlignStream(4);
}
}
}
private void ReadBlocksInfoAndDirectory(EndianBinaryReader reader)
{
byte[] blocksInfoBytes;
if (m_Header.version >= 7)
{
reader.AlignStream(16);
}
if ((m_Header.flags & 0x80) != 0) //kArchiveBlocksInfoAtTheEnd
{
var position = reader.Position;
reader.Position = reader.BaseStream.Length - m_Header.compressedBlocksInfoSize;
blocksInfoBytes = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
reader.Position = position;
}
else //0x40 kArchiveBlocksAndDirectoryInfoCombined
{
blocksInfoBytes = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
}
MemoryStream blocksInfoUncompresseddStream;
var uncompressedSize = m_Header.uncompressedBlocksInfoSize;
switch (m_Header.flags & 0x3F) //kArchiveCompressionTypeMask
{
default: //None
{
blocksInfoUncompresseddStream = new MemoryStream(blocksInfoBytes);
break;
}
case 1: //LZMA
{
blocksInfoUncompresseddStream = new MemoryStream((int)(uncompressedSize));
using (var blocksInfoCompressedStream = new MemoryStream(blocksInfoBytes))
{
SevenZipHelper.StreamDecompress(blocksInfoCompressedStream, blocksInfoUncompresseddStream, m_Header.compressedBlocksInfoSize, m_Header.uncompressedBlocksInfoSize);
}
blocksInfoUncompresseddStream.Position = 0;
break;
}
case 2: //LZ4
case 3: //LZ4HC
{
var uncompressedBytes = new byte[uncompressedSize];
var numWrite = LZ4Codec.Decode(blocksInfoBytes, uncompressedBytes);
if (numWrite != uncompressedSize)
{
throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
}
blocksInfoUncompresseddStream = new MemoryStream(uncompressedBytes);
break;
}
}
using (var blocksInfoReader = new EndianBinaryReader(blocksInfoUncompresseddStream))
{
var uncompressedDataHash = blocksInfoReader.ReadBytes(16);
var blocksInfoCount = blocksInfoReader.ReadInt32();
m_BlocksInfo = new StorageBlock[blocksInfoCount];
for (int i = 0; i < blocksInfoCount; i++)
{
m_BlocksInfo[i] = new StorageBlock
{
uncompressedSize = blocksInfoReader.ReadUInt32(),
compressedSize = blocksInfoReader.ReadUInt32(),
flags = blocksInfoReader.ReadUInt16()
};
}
var nodesCount = blocksInfoReader.ReadInt32();
m_DirectoryInfo = new Node[nodesCount];
for (int i = 0; i < nodesCount; i++)
{
m_DirectoryInfo[i] = new Node
{
offset = blocksInfoReader.ReadInt64(),
size = blocksInfoReader.ReadInt64(),
flags = blocksInfoReader.ReadUInt32(),
path = blocksInfoReader.ReadStringToNull(),
};
}
}
}
