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());
}
}
public static bool IsSerializedFile(AssetReader reader)
{
var fileSize = reader.BaseStream.Length;
if (fileSize < 20)
{
return(false);
}
var m_MetadataSize = reader.ReadUInt32();
long m_FileSize = reader.ReadUInt32();
var m_Version = reader.ReadUInt32();
long m_DataOffset = reader.ReadUInt32();
var m_Endianess = reader.ReadByte();
var m_Reserved = reader.ReadBytes(3);
if (m_Version >= 22)
{
if (fileSize < 48)
{
return(false);
}
m_MetadataSize = reader.ReadUInt32();
m_FileSize = reader.ReadInt64();
m_DataOffset = reader.ReadInt64();
}
if (m_FileSize != fileSize)
{
reader.Position = 0;
return(false);
}
if (m_DataOffset > fileSize)
{
reader.Position = 0;
return(false);
}
reader.Position = 0;
return(true);
}
public SerializedFile(AssetsManager assetsManager, string fullName, AssetReader 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);
}
