375 lines
13 KiB
C#
375 lines
13 KiB
C#
using System;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Text.RegularExpressions;
|
|
|
|
namespace AssetStudio
|
|
{
|
|
public class SerializedFile
|
|
{
|
|
public AssetsManager assetsManager;
|
|
public EndianBinaryReader reader;
|
|
public string fullName;
|
|
public string originalPath;
|
|
public string fileName;
|
|
public int[] version = { 0, 0, 0, 0 };
|
|
public BuildType buildType;
|
|
public List<Object> Objects;
|
|
public Dictionary<long, Object> ObjectsDic;
|
|
|
|
public SerializedFileHeader header;
|
|
private EndianType m_FileEndianess;
|
|
public string unityVersion = "2.5.0f5";
|
|
public BuildTarget m_TargetPlatform = BuildTarget.UnknownPlatform;
|
|
private bool m_EnableTypeTree = true;
|
|
public List<SerializedType> m_Types;
|
|
public List<ObjectInfo> m_Objects;
|
|
private List<LocalSerializedObjectIdentifier> m_ScriptTypes;
|
|
public List<FileIdentifier> m_Externals;
|
|
|
|
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());
|
|
}
|
|
|
|
if (header.m_Version >= 7 && header.m_Version < 14)
|
|
{
|
|
var 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 (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);
|
|
var 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);
|
|
}
|
|
|
|
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 >= 5)
|
|
{
|
|
//var userInformation = reader.ReadStringToNull();
|
|
}
|
|
|
|
if (header.m_Version >= 21)
|
|
{
|
|
//var unknown = reader.ReadInt32();
|
|
}
|
|
}
|
|
|
|
public void SetVersion(string stringVersion)
|
|
{
|
|
unityVersion = stringVersion;
|
|
var buildSplit = Regex.Replace(stringVersion, @"\d", "").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries);
|
|
buildType = new BuildType(buildSplit[0]);
|
|
var versionSplit = Regex.Replace(stringVersion, @"\D", ".").Split(new[] { "." }, StringSplitOptions.RemoveEmptyEntries);
|
|
version = versionSplit.Select(int.Parse).ToArray();
|
|
}
|
|
|
|
private SerializedType ReadSerializedType()
|
|
{
|
|
var type = new SerializedType();
|
|
|
|
type.classID = reader.ReadInt32();
|
|
|
|
if (header.m_Version >= 16)
|
|
{
|
|
type.m_IsStrippedType = reader.ReadBoolean();
|
|
}
|
|
|
|
if (header.m_Version >= 17)
|
|
{
|
|
type.m_ScriptTypeIndex = reader.ReadInt16();
|
|
}
|
|
|
|
if (header.m_Version >= 13)
|
|
{
|
|
if ((header.m_Version < 16 && type.classID < 0) || (header.m_Version >= 16 && type.classID == 114))
|
|
{
|
|
type.m_ScriptID = reader.ReadBytes(16); //Hash128
|
|
}
|
|
type.m_OldTypeHash = reader.ReadBytes(16); //Hash128
|
|
}
|
|
|
|
if (m_EnableTypeTree)
|
|
{
|
|
var typeTree = new List<TypeTreeNode>();
|
|
if (header.m_Version >= 12 || header.m_Version == 10)
|
|
{
|
|
TypeTreeBlobRead(typeTree);
|
|
}
|
|
else
|
|
{
|
|
ReadTypeTree(typeTree);
|
|
}
|
|
|
|
if (header.m_Version >= 21)
|
|
{
|
|
var count = reader.ReadInt32();
|
|
if (count > 0)
|
|
{
|
|
reader.Position += 4 * count;
|
|
}
|
|
}
|
|
|
|
type.m_Nodes = typeTree;
|
|
}
|
|
|
|
return type;
|
|
}
|
|
|
|
private void ReadTypeTree(List<TypeTreeNode> typeTree, int level = 0)
|
|
{
|
|
var typeTreeNode = new TypeTreeNode();
|
|
typeTree.Add(typeTreeNode);
|
|
typeTreeNode.m_Level = level;
|
|
typeTreeNode.m_Type = reader.ReadStringToNull();
|
|
typeTreeNode.m_Name = reader.ReadStringToNull();
|
|
typeTreeNode.m_ByteSize = reader.ReadInt32();
|
|
if (header.m_Version == 2)
|
|
{
|
|
var variableCount = reader.ReadInt32();
|
|
}
|
|
if (header.m_Version != 3)
|
|
{
|
|
typeTreeNode.m_Index = reader.ReadInt32();
|
|
}
|
|
typeTreeNode.m_IsArray = reader.ReadInt32();
|
|
typeTreeNode.m_Version = reader.ReadInt32();
|
|
if (header.m_Version != 3)
|
|
{
|
|
typeTreeNode.m_MetaFlag = reader.ReadInt32();
|
|
}
|
|
|
|
int childrenCount = reader.ReadInt32();
|
|
for (int i = 0; i < childrenCount; i++)
|
|
{
|
|
ReadTypeTree(typeTree, level + 1);
|
|
}
|
|
}
|
|
|
|
private void TypeTreeBlobRead(List<TypeTreeNode> typeTree)
|
|
{
|
|
int numberOfNodes = reader.ReadInt32();
|
|
int stringBufferSize = reader.ReadInt32();
|
|
|
|
var nodeSize = 24;
|
|
if (header.m_Version >= 19)
|
|
{
|
|
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();
|
|
|
|
typeTreeNode.m_Type = ReadString(stringBufferReader, typeTreeNode.m_TypeStrOffset);
|
|
typeTreeNode.m_Name = ReadString(stringBufferReader, typeTreeNode.m_NameStrOffset);
|
|
|
|
if (header.m_Version >= 19)
|
|
{
|
|
reader.Position += 8;
|
|
}
|
|
}
|
|
reader.Position += stringBufferSize;
|
|
}
|
|
|
|
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 void AddObject(Object obj)
|
|
{
|
|
Objects.Add(obj);
|
|
ObjectsDic.Add(obj.m_PathID, obj);
|
|
}
|
|
|
|
public static bool IsSerializedFile(EndianBinaryReader reader)
|
|
{
|
|
var fileSize = reader.BaseStream.Length;
|
|
if (fileSize < 16)
|
|
{
|
|
return false;
|
|
}
|
|
var m_MetadataSize = reader.ReadUInt32();
|
|
var m_FileSize = reader.ReadUInt32();
|
|
if (m_FileSize != fileSize)
|
|
{
|
|
reader.Position = 0;
|
|
return false;
|
|
}
|
|
var m_Version = reader.ReadUInt32();
|
|
var m_DataOffset = reader.ReadUInt32();
|
|
if (m_DataOffset > fileSize)
|
|
{
|
|
reader.Position = 0;
|
|
return false;
|
|
}
|
|
reader.Position = 0;
|
|
return true;
|
|
}
|
|
}
|
|
}
|