Chinese Translated

.gitattributes

@@ -0,0 +1,63 @@
+###############################################################################
+# Set default behavior to automatically normalize line endings.
+###############################################################################
+* text=auto
+
+###############################################################################
+# Set default behavior for command prompt diff.
+#
+# This is need for earlier builds of msysgit that does not have it on by
+# default for csharp files.
+# Note: This is only used by command line
+###############################################################################
+#*.cs     diff=csharp
+
+###############################################################################
+# Set the merge driver for project and solution files
+#
+# Merging from the command prompt will add diff markers to the files if there
+# are conflicts (Merging from VS is not affected by the settings below, in VS
+# the diff markers are never inserted). Diff markers may cause the following 
+# file extensions to fail to load in VS. An alternative would be to treat
+# these files as binary and thus will always conflict and require user
+# intervention with every merge. To do so, just uncomment the entries below
+###############################################################################
+#*.sln       merge=binary
+#*.csproj    merge=binary
+#*.vbproj    merge=binary
+#*.vcxproj   merge=binary
+#*.vcproj    merge=binary
+#*.dbproj    merge=binary
+#*.fsproj    merge=binary
+#*.lsproj    merge=binary
+#*.wixproj   merge=binary
+#*.modelproj merge=binary
+#*.sqlproj   merge=binary
+#*.wwaproj   merge=binary
+
+###############################################################################
+# behavior for image files
+#
+# image files are treated as binary by default.
+###############################################################################
+#*.jpg   binary
+#*.png   binary
+#*.gif   binary
+
+###############################################################################
+# diff behavior for common document formats
+# 
+# Convert binary document formats to text before diffing them. This feature
+# is only available from the command line. Turn it on by uncommenting the 
+# entries below.
+###############################################################################
+#*.doc   diff=astextplain
+#*.DOC   diff=astextplain
+#*.docx  diff=astextplain
+#*.DOCX  diff=astextplain
+#*.dot   diff=astextplain
+#*.DOT   diff=astextplain
+#*.pdf   diff=astextplain
+#*.PDF   diff=astextplain
+#*.rtf   diff=astextplain
+#*.RTF   diff=astextplain

.gitignore

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+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUNIT
+*.VisualState.xml
+TestResult.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET Core
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# JustCode is a .NET coding add-in
+.JustCode
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- Backup*.rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# JetBrains Rider
+.idea/
+*.sln.iml
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+/AssetStudioCLI/Properties/launchSettings.json
+/AssetStudioGUI/Properties/launchSettings.json

AssetStudio.PInvoke/AssetStudio.PInvoke.csproj

@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+	<TargetFramework>net6.0</TargetFramework>
+    <AllowUnsafeBlocks>true</AllowUnsafeBlocks>
+    <Version>0.18.60</Version>
+    <AssemblyVersion>0.18.60</AssemblyVersion>
+    <FileVersion>0.18.60</FileVersion>
+    <Copyright>Copyright © Perfare 2020-2022; Copyright © hozuki 2020</Copyright>
+    <DebugType>embedded</DebugType>
+  </PropertyGroup>
+
+</Project>

AssetStudio.PInvoke/DllLoader.cs

@@ -0,0 +1,124 @@
+using System;
+using System.ComponentModel;
+using System.Diagnostics;
+using System.IO;
+using System.Runtime.InteropServices;
+
+namespace AssetStudio.PInvoke
+{
+    public static class DllLoader
+    {
+
+        public static void PreloadDll(string dllName)
+        {
+            var dllDir = GetDirectedDllDirectory();
+
+            // Not using OperatingSystem.Platform.
+            // See: https://www.mono-project.com/docs/faq/technical/#how-to-detect-the-execution-platform
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                Win32.LoadDll(dllDir, dllName);
+            }
+            else
+            {
+                Posix.LoadDll(dllDir, dllName);
+            }
+        }
+
+        private static string GetDirectedDllDirectory()
+        {
+            var localPath = Process.GetCurrentProcess().MainModule.FileName;
+            var localDir = Path.GetDirectoryName(localPath);
+
+            var subDir = Environment.Is64BitProcess ? "x64" : "x86";
+
+            var directedDllDir = Path.Combine(localDir, subDir);
+
+            return directedDllDir;
+        }
+
+        private static class Win32
+        {
+
+            internal static void LoadDll(string dllDir, string dllName)
+            {
+                var dllFileName = $"{dllName}.dll";
+                var directedDllPath = Path.Combine(dllDir, dllFileName);
+
+                // Specify SEARCH_DLL_LOAD_DIR to load dependent libraries located in the same platform-specific directory.
+                var hLibrary = LoadLibraryEx(directedDllPath, IntPtr.Zero, LOAD_LIBRARY_SEARCH_DEFAULT_DIRS | LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR);
+
+                if (hLibrary == IntPtr.Zero)
+                {
+                    var errorCode = Marshal.GetLastWin32Error();
+                    var exception = new Win32Exception(errorCode);
+
+                    throw new DllNotFoundException(exception.Message, exception);
+                }
+            }
+
+            // HMODULE LoadLibraryExA(LPCSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+            // HMODULE LoadLibraryExW(LPCWSTR lpLibFileName, HANDLE hFile, DWORD dwFlags);
+            [DllImport("kernel32.dll", SetLastError = true)]
+            private static extern IntPtr LoadLibraryEx(string lpLibFileName, IntPtr hFile, uint dwFlags);
+
+            private const uint LOAD_LIBRARY_SEARCH_DEFAULT_DIRS = 0x1000;
+            private const uint LOAD_LIBRARY_SEARCH_DLL_LOAD_DIR = 0x100;
+
+        }
+
+        private static class Posix
+        {
+
+            internal static void LoadDll(string dllDir, string dllName)
+            {
+                string dllExtension;
+
+                if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+                {
+                    dllExtension = ".so";
+                }
+                else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+                {
+                    dllExtension = ".dylib";
+                }
+                else
+                {
+                    throw new NotSupportedException();
+                }
+
+                var dllFileName = $"lib{dllName}{dllExtension}";
+                var directedDllPath = Path.Combine(dllDir, dllFileName);
+
+                const int ldFlags = RTLD_NOW | RTLD_GLOBAL;
+                var hLibrary = DlOpen(directedDllPath, ldFlags);
+
+                if (hLibrary == IntPtr.Zero)
+                {
+                    var pErrStr = DlError();
+                    // `PtrToStringAnsi` always uses the specific constructor of `String` (see dotnet/core#2325),
+                    // which in turn interprets the byte sequence with system default codepage. On OSX and Linux
+                    // the codepage is UTF-8 so the error message should be handled correctly.
+                    var errorMessage = Marshal.PtrToStringAnsi(pErrStr);
+
+                    throw new DllNotFoundException(errorMessage);
+                }
+            }
+
+            // OSX and most Linux OS use LP64 so `int` is still 32-bit even on 64-bit platforms.
+            // void *dlopen(const char *filename, int flag);
+            [DllImport("libdl", EntryPoint = "dlopen")]
+            private static extern IntPtr DlOpen([MarshalAs(UnmanagedType.LPStr)] string fileName, int flags);
+
+            // char *dlerror(void);
+            [DllImport("libdl", EntryPoint = "dlerror")]
+            private static extern IntPtr DlError();
+
+            private const int RTLD_LAZY = 0x1;
+            private const int RTLD_NOW = 0x2;
+            private const int RTLD_GLOBAL = 0x100;
+
+        }
+
+    }
+}

AssetStudio.PInvoke/Utf8StringHandle.cs

@@ -0,0 +1,100 @@
+using System;
+using System.Runtime.InteropServices;
+using System.Text;
+using Microsoft.Win32.SafeHandles;
+
+namespace AssetStudio.PInvoke
+{
+    // Generally the technique from Steamworks.NET
+    public class Utf8StringHandle : SafeHandleZeroOrMinusOneIsInvalid
+    {
+
+        static Utf8StringHandle()
+        {
+            Utf8 = new UTF8Encoding(false);
+        }
+
+        public Utf8StringHandle(string str)
+            : base(true)
+        {
+            IntPtr buffer;
+
+            if (str == null)
+            {
+                buffer = IntPtr.Zero;
+            }
+            else
+            {
+                if (str.Length == 0)
+                {
+                    buffer = Marshal.AllocHGlobal(1);
+
+                    unsafe
+                    {
+                        *(byte*)buffer = 0;
+                    }
+                }
+                else
+                {
+                    var strlen = Utf8.GetByteCount(str);
+                    var strBuffer = new byte[strlen + 1];
+
+                    Utf8.GetBytes(str, 0, str.Length, strBuffer, 0);
+
+                    buffer = Marshal.AllocHGlobal(strBuffer.Length);
+
+                    Marshal.Copy(strBuffer, 0, buffer, strBuffer.Length);
+                }
+            }
+
+            SetHandle(buffer);
+        }
+
+        public static string ReadUtf8StringFromPointer(IntPtr lpstr)
+        {
+            if (lpstr == IntPtr.Zero || lpstr == new IntPtr(-1))
+            {
+                return null;
+            }
+
+            var byteCount = 0;
+
+            unsafe
+            {
+                var p = (byte*)lpstr.ToPointer();
+
+                while (*p != 0)
+                {
+                    byteCount += 1;
+                    p += 1;
+                }
+            }
+
+            if (byteCount == 0)
+            {
+                return string.Empty;
+            }
+
+            var strBuffer = new byte[byteCount];
+
+            Marshal.Copy(lpstr, strBuffer, 0, byteCount);
+
+            var str = Utf8.GetString(strBuffer);
+
+            return str;
+        }
+
+        protected override bool ReleaseHandle()
+        {
+            if (!IsInvalid)
+            {
+                Marshal.FreeHGlobal(handle);
+            }
+
+            return true;
+        }
+
+        private static readonly UTF8Encoding Utf8;
+
+    }
+}

AssetStudio.sln

@@ -0,0 +1,155 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.32014.148
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetStudio", "AssetStudio\AssetStudio.csproj", "{422FEC21-EF60-4F29-AA56-95DFDA23C913}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetStudio.PInvoke", "AssetStudio.PInvoke\AssetStudio.PInvoke.csproj", "{0B2BE613-3049-4021-85D1-21C325F729F4}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetStudioFBXWrapper", "AssetStudioFBXWrapper\AssetStudioFBXWrapper.csproj", "{E301AFEA-84E7-4BCE-8D65-A2576D8D105B}"
+	ProjectSection(ProjectDependencies) = postProject
+		{11EA25A3-ED68-40EE-A9D0-7FDE3B583027} = {11EA25A3-ED68-40EE-A9D0-7FDE3B583027}
+	EndProjectSection
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetStudioGUI", "AssetStudioGUI\AssetStudioGUI.csproj", "{29EAD018-1C67-497A-AB8E-727D595AD756}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetStudioUtility", "AssetStudioUtility\AssetStudioUtility.csproj", "{65EAFFA3-01D3-4EF5-B092-8B4647E9A1FF}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Texture2DDecoderWrapper", "Texture2DDecoderWrapper\Texture2DDecoderWrapper.csproj", "{6438FEC1-56B0-488C-A5E2-FBDB23E9574B}"
+	ProjectSection(ProjectDependencies) = postProject
+		{29356642-C46E-4144-83D8-22DC09D0D7FD} = {29356642-C46E-4144-83D8-22DC09D0D7FD}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "AssetStudioFBXNative", "AssetStudioFBXNative\AssetStudioFBXNative.vcxproj", "{11EA25A3-ED68-40EE-A9D0-7FDE3B583027}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Texture2DDecoderNative", "Texture2DDecoderNative\Texture2DDecoderNative.vcxproj", "{29356642-C46E-4144-83D8-22DC09D0D7FD}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "AssetStudioCLI", "AssetStudioCLI\AssetStudioCLI.csproj", "{5B2D8C81-7DE2-429C-AF90-B7C71D91F3B6}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Debug|x64 = Debug|x64
+		Debug|x86 = Debug|x86
+		Release|Any CPU = Release|Any CPU
+		Release|x64 = Release|x64
+		Release|x86 = Release|x86
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Debug|x64.Build.0 = Debug|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Debug|x86.Build.0 = Debug|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Release|Any CPU.Build.0 = Release|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Release|x64.ActiveCfg = Release|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Release|x64.Build.0 = Release|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Release|x86.ActiveCfg = Release|Any CPU
+		{422FEC21-EF60-4F29-AA56-95DFDA23C913}.Release|x86.Build.0 = Release|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Debug|x64.ActiveCfg = Debug|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Debug|x64.Build.0 = Debug|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Debug|x86.ActiveCfg = Debug|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Debug|x86.Build.0 = Debug|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Release|x64.ActiveCfg = Release|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Release|x64.Build.0 = Release|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Release|x86.ActiveCfg = Release|Any CPU
+		{0B2BE613-3049-4021-85D1-21C325F729F4}.Release|x86.Build.0 = Release|Any CPU
+		{E301AFEA-84E7-4BCE-8D65-A2576D8D105B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{E301AFEA-84E7-4BCE-8D65-A2576D8D105B}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{E301AFEA-84E7-4BCE-8D65-A2576D8D105B}.Debug|x64.ActiveCfg = Debug|Any CPU
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+		HideSolutionNode = FALSE
+	EndGlobalSection
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+	EndGlobalSection
+EndGlobal

AssetStudio/7zip/Common/CRC.cs

@@ -0,0 +1,79 @@
+// Common/CRC.cs
+
+using System.Text;
+
+namespace SevenZip
+{
+	public class CRC
+	{
+		public static readonly uint[] Table;
+
+		static CRC()
+		{
+			Table = new uint[256];
+			const uint kPoly = 0xEDB88320;
+			for (uint i = 0; i < 256; i++)
+			{
+				uint r = i;
+				for (int j = 0; j < 8; j++)
+					if ((r & 1) != 0)
+						r = (r >> 1) ^ kPoly;
+					else
+						r >>= 1;
+				Table[i] = r;
+			}
+		}
+
+		uint _value = 0xFFFFFFFF;
+
+		public void Init() { _value = 0xFFFFFFFF; }
+
+		public void UpdateByte(byte b)
+		{
+			_value = Table[(((byte)(_value)) ^ b)] ^ (_value >> 8);
+		}
+
+		public void Update(byte[] data, uint offset, uint size)
+		{
+			for (uint i = 0; i < size; i++)
+				_value = Table[(((byte)(_value)) ^ data[offset + i])] ^ (_value >> 8);
+		}
+
+		public uint GetDigest() { return _value ^ 0xFFFFFFFF; }
+
+		static uint CalculateDigest(byte[] data, uint offset, uint size)
+		{
+			CRC crc = new CRC();
+			// crc.Init();
+			crc.Update(data, offset, size);
+			return crc.GetDigest();
+		}
+
+		static bool VerifyDigest(uint digest, byte[] data, uint offset, uint size)
+		{
+			return (CalculateDigest(data, offset, size) == digest);
+		}
+
+        public static uint CalculateDigestAscii(string data)
+        {
+            var bytes = Encoding.ASCII.GetBytes(data);
+            return CalculateDigest(bytes, 0, (uint)bytes.Length);
+        }
+
+        public static uint CalculateDigestUTF8(string data)
+        {
+            var bytes = Encoding.UTF8.GetBytes(data);
+            return CalculateDigest(bytes, 0, (uint)bytes.Length);
+        }
+
+        public static bool VerifyDigestUTF8(string data, uint digest)
+        {
+            return CalculateDigestUTF8(data) == digest;
+        }
+
+        public static bool Verify28DigestUTF8(string data, uint digest)
+        {
+            return (CalculateDigestUTF8(data) & 0xFFFFFFF) == digest;
+        }
+    }
+}

AssetStudio/7zip/Common/CommandLineParser.cs

@@ -0,0 +1,274 @@
+// CommandLineParser.cs
+
+using System;
+using System.Collections;
+
+namespace SevenZip.CommandLineParser
+{
+	public enum SwitchType
+	{
+		Simple,
+		PostMinus,
+		LimitedPostString,
+		UnLimitedPostString,
+		PostChar
+	}
+
+	public class SwitchForm
+	{
+		public string IDString;
+		public SwitchType Type;
+		public bool Multi;
+		public int MinLen;
+		public int MaxLen;
+		public string PostCharSet;
+
+		public SwitchForm(string idString, SwitchType type, bool multi,
+			int minLen, int maxLen, string postCharSet)
+		{
+			IDString = idString;
+			Type = type;
+			Multi = multi;
+			MinLen = minLen;
+			MaxLen = maxLen;
+			PostCharSet = postCharSet;
+		}
+		public SwitchForm(string idString, SwitchType type, bool multi, int minLen):
+			this(idString, type, multi, minLen, 0, "")
+		{
+		}
+		public SwitchForm(string idString, SwitchType type, bool multi):
+			this(idString, type, multi, 0)
+		{
+		}
+	}
+
+	public class SwitchResult
+	{
+		public bool ThereIs;
+		public bool WithMinus;
+		public ArrayList PostStrings = new ArrayList();
+		public int PostCharIndex;
+		public SwitchResult()
+		{
+			ThereIs = false;
+		}
+	}
+
+	public class Parser
+	{
+		public ArrayList NonSwitchStrings = new ArrayList();
+		SwitchResult[] _switches;
+
+		public Parser(int numSwitches)
+		{
+			_switches = new SwitchResult[numSwitches];
+			for (int i = 0; i < numSwitches; i++)
+				_switches[i] = new SwitchResult();
+		}
+
+		bool ParseString(string srcString, SwitchForm[] switchForms)
+		{
+			int len = srcString.Length;
+			if (len == 0)
+				return false;
+			int pos = 0;
+			if (!IsItSwitchChar(srcString[pos]))
+				return false;
+			while (pos < len)
+			{
+				if (IsItSwitchChar(srcString[pos]))
+					pos++;
+				const int kNoLen = -1;
+				int matchedSwitchIndex = 0;
+				int maxLen = kNoLen;
+				for (int switchIndex = 0; switchIndex < _switches.Length; switchIndex++)
+				{
+					int switchLen = switchForms[switchIndex].IDString.Length;
+					if (switchLen <= maxLen || pos + switchLen > len)
+						continue;
+					if (String.Compare(switchForms[switchIndex].IDString, 0,
+							srcString, pos, switchLen, true) == 0)
+					{
+						matchedSwitchIndex = switchIndex;
+						maxLen = switchLen;
+					}
+				}
+				if (maxLen == kNoLen)
+					throw new Exception("maxLen == kNoLen");
+				SwitchResult matchedSwitch = _switches[matchedSwitchIndex];
+				SwitchForm switchForm = switchForms[matchedSwitchIndex];
+				if ((!switchForm.Multi) && matchedSwitch.ThereIs)
+					throw new Exception("switch must be single");
+				matchedSwitch.ThereIs = true;
+				pos += maxLen;
+				int tailSize = len - pos;
+				SwitchType type = switchForm.Type;
+				switch (type)
+				{
+					case SwitchType.PostMinus:
+						{
+							if (tailSize == 0)
+								matchedSwitch.WithMinus = false;
+							else
+							{
+								matchedSwitch.WithMinus = (srcString[pos] == kSwitchMinus);
+								if (matchedSwitch.WithMinus)
+									pos++;
+							}
+							break;
+						}
+					case SwitchType.PostChar:
+						{
+							if (tailSize < switchForm.MinLen)
+								throw new Exception("switch is not full");
+							string charSet = switchForm.PostCharSet;
+							const int kEmptyCharValue = -1;
+							if (tailSize == 0)
+								matchedSwitch.PostCharIndex = kEmptyCharValue;
+							else
+							{
+								int index = charSet.IndexOf(srcString[pos]);
+								if (index < 0)
+									matchedSwitch.PostCharIndex = kEmptyCharValue;
+								else
+								{
+									matchedSwitch.PostCharIndex = index;
+									pos++;
+								}
+							}
+							break;
+						}
+					case SwitchType.LimitedPostString:
+					case SwitchType.UnLimitedPostString:
+						{
+							int minLen = switchForm.MinLen;
+							if (tailSize < minLen)
+								throw new Exception("switch is not full");
+							if (type == SwitchType.UnLimitedPostString)
+							{
+								matchedSwitch.PostStrings.Add(srcString.Substring(pos));
+								return true;
+							}
+							String stringSwitch = srcString.Substring(pos, minLen);
+							pos += minLen;
+							for (int i = minLen; i < switchForm.MaxLen && pos < len; i++, pos++)
+							{
+								char c = srcString[pos];
+								if (IsItSwitchChar(c))
+									break;
+								stringSwitch += c;
+							}
+							matchedSwitch.PostStrings.Add(stringSwitch);
+							break;
+						}
+				}
+			}
+			return true;
+
+		}
+
+		public void ParseStrings(SwitchForm[] switchForms, string[] commandStrings)
+		{
+			int numCommandStrings = commandStrings.Length;
+			bool stopSwitch = false;
+			for (int i = 0; i < numCommandStrings; i++)
+			{
+				string s = commandStrings[i];
+				if (stopSwitch)
+					NonSwitchStrings.Add(s);
+				else
+					if (s == kStopSwitchParsing)
+					stopSwitch = true;
+				else
+					if (!ParseString(s, switchForms))
+					NonSwitchStrings.Add(s);
+			}
+		}
+
+		public SwitchResult this[int index] { get { return _switches[index]; } }
+
+		public static int ParseCommand(CommandForm[] commandForms, string commandString,
+			out string postString)
+		{
+			for (int i = 0; i < commandForms.Length; i++)
+			{
+				string id = commandForms[i].IDString;
+				if (commandForms[i].PostStringMode)
+				{
+					if (commandString.IndexOf(id) == 0)
+					{
+						postString = commandString.Substring(id.Length);
+						return i;
+					}
+				}
+				else
+					if (commandString == id)
+				{
+					postString = "";
+					return i;
+				}
+			}
+			postString = "";
+			return -1;
+		}
+
+		static bool ParseSubCharsCommand(int numForms, CommandSubCharsSet[] forms,
+			string commandString, ArrayList indices)
+		{
+			indices.Clear();
+			int numUsedChars = 0;
+			for (int i = 0; i < numForms; i++)
+			{
+				CommandSubCharsSet charsSet = forms[i];
+				int currentIndex = -1;
+				int len = charsSet.Chars.Length;
+				for (int j = 0; j < len; j++)
+				{
+					char c = charsSet.Chars[j];
+					int newIndex = commandString.IndexOf(c);
+					if (newIndex >= 0)
+					{
+						if (currentIndex >= 0)
+							return false;
+						if (commandString.IndexOf(c, newIndex + 1) >= 0)
+							return false;
+						currentIndex = j;
+						numUsedChars++;
+					}
+				}
+				if (currentIndex == -1 && !charsSet.EmptyAllowed)
+					return false;
+				indices.Add(currentIndex);
+			}
+			return (numUsedChars == commandString.Length);
+		}
+		const char kSwitchID1 = '-';
+		const char kSwitchID2 = '/';
+
+		const char kSwitchMinus = '-';
+		const string kStopSwitchParsing = "--";
+
+		static bool IsItSwitchChar(char c)
+		{
+			return (c == kSwitchID1 || c == kSwitchID2);
+		}
+	}
+
+	public class CommandForm
+	{
+		public string IDString = "";
+		public bool PostStringMode = false;
+		public CommandForm(string idString, bool postStringMode)
+		{
+			IDString = idString;
+			PostStringMode = postStringMode;
+		}
+	}
+
+	class CommandSubCharsSet
+	{
+		public string Chars = "";
+		public bool EmptyAllowed = false;
+	}
+}

AssetStudio/7zip/Common/InBuffer.cs

@@ -0,0 +1,72 @@
+// InBuffer.cs
+
+namespace SevenZip.Buffer
+{
+	public class InBuffer
+	{
+		byte[] m_Buffer;
+		uint m_Pos;
+		uint m_Limit;
+		uint m_BufferSize;
+		System.IO.Stream m_Stream;
+		bool m_StreamWasExhausted;
+		ulong m_ProcessedSize;
+
+		public InBuffer(uint bufferSize)
+		{
+			m_Buffer = new byte[bufferSize];
+			m_BufferSize = bufferSize;
+		}
+
+		public void Init(System.IO.Stream stream)
+		{
+			m_Stream = stream;
+			m_ProcessedSize = 0;
+			m_Limit = 0;
+			m_Pos = 0;
+			m_StreamWasExhausted = false;
+		}
+
+		public bool ReadBlock()
+		{
+			if (m_StreamWasExhausted)
+				return false;
+			m_ProcessedSize += m_Pos;
+			int aNumProcessedBytes = m_Stream.Read(m_Buffer, 0, (int)m_BufferSize);
+			m_Pos = 0;
+			m_Limit = (uint)aNumProcessedBytes;
+			m_StreamWasExhausted = (aNumProcessedBytes == 0);
+			return (!m_StreamWasExhausted);
+		}
+
+
+		public void ReleaseStream()
+		{
+			// m_Stream.Close(); 
+			m_Stream = null;
+		}
+
+		public bool ReadByte(byte b) // check it
+		{
+			if (m_Pos >= m_Limit)
+				if (!ReadBlock())
+					return false;
+			b = m_Buffer[m_Pos++];
+			return true;
+		}
+
+		public byte ReadByte()
+		{
+			// return (byte)m_Stream.ReadByte();
+			if (m_Pos >= m_Limit)
+				if (!ReadBlock())
+					return 0xFF;
+			return m_Buffer[m_Pos++];
+		}
+
+		public ulong GetProcessedSize()
+		{
+			return m_ProcessedSize + m_Pos;
+		}
+	}
+}

AssetStudio/7zip/Common/OutBuffer.cs

@@ -0,0 +1,47 @@
+// OutBuffer.cs
+
+namespace SevenZip.Buffer
+{
+	public class OutBuffer
+	{
+		byte[] m_Buffer;
+		uint m_Pos;
+		uint m_BufferSize;
+		System.IO.Stream m_Stream;
+		ulong m_ProcessedSize;
+
+		public OutBuffer(uint bufferSize)
+		{
+			m_Buffer = new byte[bufferSize];
+			m_BufferSize = bufferSize;
+		}
+
+		public void SetStream(System.IO.Stream stream) { m_Stream = stream; }
+		public void FlushStream() { m_Stream.Flush(); }
+		public void CloseStream() { m_Stream.Close(); }
+		public void ReleaseStream() { m_Stream = null; }
+
+		public void Init()
+		{
+			m_ProcessedSize = 0;
+			m_Pos = 0;
+		}
+
+		public void WriteByte(byte b)
+		{
+			m_Buffer[m_Pos++] = b;
+			if (m_Pos >= m_BufferSize)
+				FlushData();
+		}
+
+		public void FlushData()
+		{
+			if (m_Pos == 0)
+				return;
+			m_Stream.Write(m_Buffer, 0, (int)m_Pos);
+			m_Pos = 0;
+		}
+
+		public ulong GetProcessedSize() { return m_ProcessedSize + m_Pos; }
+	}
+}

AssetStudio/7zip/Compress/LZ/IMatchFinder.cs

@@ -0,0 +1,24 @@
+// IMatchFinder.cs
+
+using System;
+
+namespace SevenZip.Compression.LZ
+{
+	interface IInWindowStream
+	{
+		void SetStream(System.IO.Stream inStream);
+		void Init();
+		void ReleaseStream();
+		Byte GetIndexByte(Int32 index);
+		UInt32 GetMatchLen(Int32 index, UInt32 distance, UInt32 limit);
+		UInt32 GetNumAvailableBytes();
+	}
+
+	interface IMatchFinder : IInWindowStream
+	{
+		void Create(UInt32 historySize, UInt32 keepAddBufferBefore,
+				UInt32 matchMaxLen, UInt32 keepAddBufferAfter);
+		UInt32 GetMatches(UInt32[] distances);
+		void Skip(UInt32 num);
+	}
+}

AssetStudio/7zip/Compress/LZ/LzBinTree.cs

@@ -0,0 +1,367 @@
+// LzBinTree.cs
+
+using System;
+
+namespace SevenZip.Compression.LZ
+{
+	public class BinTree : InWindow, IMatchFinder
+	{
+		UInt32 _cyclicBufferPos;
+		UInt32 _cyclicBufferSize = 0;
+		UInt32 _matchMaxLen;
+
+		UInt32[] _son;
+		UInt32[] _hash;
+
+		UInt32 _cutValue = 0xFF;
+		UInt32 _hashMask;
+		UInt32 _hashSizeSum = 0;
+
+		bool HASH_ARRAY = true;
+
+		const UInt32 kHash2Size = 1 << 10;
+		const UInt32 kHash3Size = 1 << 16;
+		const UInt32 kBT2HashSize = 1 << 16;
+		const UInt32 kStartMaxLen = 1;
+		const UInt32 kHash3Offset = kHash2Size;
+		const UInt32 kEmptyHashValue = 0;
+		const UInt32 kMaxValForNormalize = ((UInt32)1 << 31) - 1;
+	
+		UInt32 kNumHashDirectBytes = 0;
+		UInt32 kMinMatchCheck = 4;
+		UInt32 kFixHashSize = kHash2Size + kHash3Size;
+		
+		public void SetType(int numHashBytes)
+		{
+			HASH_ARRAY = (numHashBytes > 2);
+			if (HASH_ARRAY)
+			{
+				kNumHashDirectBytes = 0;
+				kMinMatchCheck = 4;
+				kFixHashSize = kHash2Size + kHash3Size;
+			}
+			else
+			{
+				kNumHashDirectBytes = 2;
+				kMinMatchCheck = 2 + 1;
+				kFixHashSize = 0;
+			}
+		}
+
+		public new void SetStream(System.IO.Stream stream) { base.SetStream(stream); }
+		public new void ReleaseStream() { base.ReleaseStream(); }
+		
+		public new void Init()
+		{
+			base.Init();
+			for (UInt32 i = 0; i < _hashSizeSum; i++)
+				_hash[i] = kEmptyHashValue;
+			_cyclicBufferPos = 0;
+			ReduceOffsets(-1);
+		}
+
+		public new void MovePos()
+		{
+			if (++_cyclicBufferPos >= _cyclicBufferSize)
+				_cyclicBufferPos = 0;
+			base.MovePos();
+			if (_pos == kMaxValForNormalize)
+				Normalize();
+		}
+
+		public new Byte GetIndexByte(Int32 index) { return base.GetIndexByte(index); }
+
+		public new UInt32 GetMatchLen(Int32 index, UInt32 distance, UInt32 limit)
+		{ return base.GetMatchLen(index, distance, limit); }
+
+		public new UInt32 GetNumAvailableBytes() { return base.GetNumAvailableBytes(); }
+
+		public void Create(UInt32 historySize, UInt32 keepAddBufferBefore,
+				UInt32 matchMaxLen, UInt32 keepAddBufferAfter)
+		{
+			if (historySize > kMaxValForNormalize - 256)
+				throw new Exception();
+			_cutValue = 16 + (matchMaxLen >> 1);
+				
+			UInt32 windowReservSize = (historySize + keepAddBufferBefore +
+					matchMaxLen + keepAddBufferAfter) / 2 + 256;
+
+			base.Create(historySize + keepAddBufferBefore, matchMaxLen + keepAddBufferAfter, windowReservSize);
+
+			_matchMaxLen = matchMaxLen;
+
+			UInt32 cyclicBufferSize = historySize + 1;
+			if (_cyclicBufferSize != cyclicBufferSize)
+				_son = new UInt32[(_cyclicBufferSize = cyclicBufferSize) * 2];
+
+			UInt32 hs = kBT2HashSize;
+
+			if (HASH_ARRAY)
+			{
+				hs = historySize - 1;
+				hs |= (hs >> 1);
+				hs |= (hs >> 2);
+				hs |= (hs >> 4);
+				hs |= (hs >> 8);
+				hs >>= 1;
+				hs |= 0xFFFF;
+				if (hs > (1 << 24))
+					hs >>= 1;
+				_hashMask = hs;
+				hs++;
+				hs += kFixHashSize;
+			}
+			if (hs != _hashSizeSum)
+				_hash = new UInt32[_hashSizeSum = hs];
+		}
+
+		public UInt32 GetMatches(UInt32[] distances)
+		{
+			UInt32 lenLimit;
+			if (_pos + _matchMaxLen <= _streamPos)
+				lenLimit = _matchMaxLen;
+			else
+			{
+				lenLimit = _streamPos - _pos;
+				if (lenLimit < kMinMatchCheck)
+				{
+					MovePos();
+					return 0;
+				}
+			}
+
+			UInt32 offset = 0;
+			UInt32 matchMinPos = (_pos > _cyclicBufferSize) ? (_pos - _cyclicBufferSize) : 0;
+			UInt32 cur = _bufferOffset + _pos;
+			UInt32 maxLen = kStartMaxLen; // to avoid items for len < hashSize;
+			UInt32 hashValue, hash2Value = 0, hash3Value = 0;
+
+			if (HASH_ARRAY)
+			{
+				UInt32 temp = CRC.Table[_bufferBase[cur]] ^ _bufferBase[cur + 1];
+				hash2Value = temp & (kHash2Size - 1);
+				temp ^= ((UInt32)(_bufferBase[cur + 2]) << 8);
+				hash3Value = temp & (kHash3Size - 1);
+				hashValue = (temp ^ (CRC.Table[_bufferBase[cur + 3]] << 5)) & _hashMask;
+			}
+			else
+				hashValue = _bufferBase[cur] ^ ((UInt32)(_bufferBase[cur + 1]) << 8);
+
+			UInt32 curMatch = _hash[kFixHashSize + hashValue];
+			if (HASH_ARRAY)
+			{
+				UInt32 curMatch2 = _hash[hash2Value];
+				UInt32 curMatch3 = _hash[kHash3Offset + hash3Value];
+				_hash[hash2Value] = _pos;
+				_hash[kHash3Offset + hash3Value] = _pos;
+				if (curMatch2 > matchMinPos)
+					if (_bufferBase[_bufferOffset + curMatch2] == _bufferBase[cur])
+					{
+						distances[offset++] = maxLen = 2;
+						distances[offset++] = _pos - curMatch2 - 1;
+					}
+				if (curMatch3 > matchMinPos)
+					if (_bufferBase[_bufferOffset + curMatch3] == _bufferBase[cur])
+					{
+						if (curMatch3 == curMatch2)
+							offset -= 2;
+						distances[offset++] = maxLen = 3;
+						distances[offset++] = _pos - curMatch3 - 1;
+						curMatch2 = curMatch3;
+					}
+				if (offset != 0 && curMatch2 == curMatch)
+				{
+					offset -= 2;
+					maxLen = kStartMaxLen;
+				}
+			}
+
+			_hash[kFixHashSize + hashValue] = _pos;
+
+			UInt32 ptr0 = (_cyclicBufferPos << 1) + 1;
+			UInt32 ptr1 = (_cyclicBufferPos << 1);
+
+			UInt32 len0, len1;
+			len0 = len1 = kNumHashDirectBytes;
+			
+			if (kNumHashDirectBytes != 0)
+			{
+				if (curMatch > matchMinPos)
+				{
+					if (_bufferBase[_bufferOffset + curMatch + kNumHashDirectBytes] !=
+							_bufferBase[cur + kNumHashDirectBytes])
+					{
+						distances[offset++] = maxLen = kNumHashDirectBytes;
+						distances[offset++] = _pos - curMatch - 1;
+					}
+				}
+			}
+			
+			UInt32 count = _cutValue;
+			
+			while(true)
+			{
+				if(curMatch <= matchMinPos || count-- == 0)
+				{
+					_son[ptr0] = _son[ptr1] = kEmptyHashValue;
+					break;
+				}
+				UInt32 delta = _pos - curMatch;
+				UInt32 cyclicPos = ((delta <= _cyclicBufferPos) ?
+							(_cyclicBufferPos - delta) :
+							(_cyclicBufferPos - delta + _cyclicBufferSize)) << 1;
+
+				UInt32 pby1 = _bufferOffset + curMatch;
+				UInt32 len = Math.Min(len0, len1);
+				if (_bufferBase[pby1 + len] == _bufferBase[cur + len])
+				{
+					while(++len != lenLimit)
+						if (_bufferBase[pby1 + len] != _bufferBase[cur + len])
+							break;
+					if (maxLen < len)
+					{
+						distances[offset++] = maxLen = len;
+						distances[offset++] = delta - 1;
+						if (len == lenLimit)
+						{
+							_son[ptr1] = _son[cyclicPos];
+							_son[ptr0] = _son[cyclicPos + 1];
+							break;
+						}
+					}
+				}
+				if (_bufferBase[pby1 + len] < _bufferBase[cur + len])
+				{
+					_son[ptr1] = curMatch;
+					ptr1 = cyclicPos + 1;
+					curMatch = _son[ptr1];
+					len1 = len;
+				}
+				else
+				{
+					_son[ptr0] = curMatch;
+					ptr0 = cyclicPos;
+					curMatch = _son[ptr0];
+					len0 = len;
+				}
+			}
+			MovePos();
+			return offset;
+		}
+
+		public void Skip(UInt32 num)
+		{
+			do
+			{
+				UInt32 lenLimit;
+				if (_pos + _matchMaxLen <= _streamPos)
+					lenLimit = _matchMaxLen;
+				else
+				{
+					lenLimit = _streamPos - _pos;
+					if (lenLimit < kMinMatchCheck)
+					{
+						MovePos();
+						continue;
+					}
+				}
+
+				UInt32 matchMinPos = (_pos > _cyclicBufferSize) ? (_pos - _cyclicBufferSize) : 0;
+				UInt32 cur = _bufferOffset + _pos;
+
+				UInt32 hashValue;
+
+				if (HASH_ARRAY)
+				{
+					UInt32 temp = CRC.Table[_bufferBase[cur]] ^ _bufferBase[cur + 1];
+					UInt32 hash2Value = temp & (kHash2Size - 1);
+					_hash[hash2Value] = _pos;
+					temp ^= ((UInt32)(_bufferBase[cur + 2]) << 8);
+					UInt32 hash3Value = temp & (kHash3Size - 1);
+					_hash[kHash3Offset + hash3Value] = _pos;
+					hashValue = (temp ^ (CRC.Table[_bufferBase[cur + 3]] << 5)) & _hashMask;
+				}
+				else
+					hashValue = _bufferBase[cur] ^ ((UInt32)(_bufferBase[cur + 1]) << 8);
+
+				UInt32 curMatch = _hash[kFixHashSize + hashValue];
+				_hash[kFixHashSize + hashValue] = _pos;
+
+				UInt32 ptr0 = (_cyclicBufferPos << 1) + 1;
+				UInt32 ptr1 = (_cyclicBufferPos << 1);
+
+				UInt32 len0, len1;
+				len0 = len1 = kNumHashDirectBytes;
+
+				UInt32 count = _cutValue;
+				while (true)
+				{
+					if (curMatch <= matchMinPos || count-- == 0)
+					{
+						_son[ptr0] = _son[ptr1] = kEmptyHashValue;
+						break;
+					}
+
+					UInt32 delta = _pos - curMatch;
+					UInt32 cyclicPos = ((delta <= _cyclicBufferPos) ?
+								(_cyclicBufferPos - delta) :
+								(_cyclicBufferPos - delta + _cyclicBufferSize)) << 1;
+
+					UInt32 pby1 = _bufferOffset + curMatch;
+					UInt32 len = Math.Min(len0, len1);
+					if (_bufferBase[pby1 + len] == _bufferBase[cur + len])
+					{
+						while (++len != lenLimit)
+							if (_bufferBase[pby1 + len] != _bufferBase[cur + len])
+								break;
+						if (len == lenLimit)
+						{
+							_son[ptr1] = _son[cyclicPos];
+							_son[ptr0] = _son[cyclicPos + 1];
+							break;
+						}
+					}
+					if (_bufferBase[pby1 + len] < _bufferBase[cur + len])
+					{
+						_son[ptr1] = curMatch;
+						ptr1 = cyclicPos + 1;
+						curMatch = _son[ptr1];
+						len1 = len;
+					}
+					else
+					{
+						_son[ptr0] = curMatch;
+						ptr0 = cyclicPos;
+						curMatch = _son[ptr0];
+						len0 = len;
+					}
+				}
+				MovePos();
+			}
+			while (--num != 0);
+		}
+
+		void NormalizeLinks(UInt32[] items, UInt32 numItems, UInt32 subValue)
+		{
+			for (UInt32 i = 0; i < numItems; i++)
+			{
+				UInt32 value = items[i];
+				if (value <= subValue)
+					value = kEmptyHashValue;
+				else
+					value -= subValue;
+				items[i] = value;
+			}
+		}
+
+		void Normalize()
+		{
+			UInt32 subValue = _pos - _cyclicBufferSize;
+			NormalizeLinks(_son, _cyclicBufferSize * 2, subValue);
+			NormalizeLinks(_hash, _hashSizeSum, subValue);
+			ReduceOffsets((Int32)subValue);
+		}
+
+		public void SetCutValue(UInt32 cutValue) { _cutValue = cutValue; }
+	}
+}

AssetStudio/7zip/Compress/LZ/LzInWindow.cs

@@ -0,0 +1,132 @@
+// LzInWindow.cs
+
+using System;
+
+namespace SevenZip.Compression.LZ
+{
+	public class InWindow
+	{
+		public Byte[] _bufferBase = null; // pointer to buffer with data
+		System.IO.Stream _stream;
+		UInt32 _posLimit; // offset (from _buffer) of first byte when new block reading must be done
+		bool _streamEndWasReached; // if (true) then _streamPos shows real end of stream
+
+		UInt32 _pointerToLastSafePosition;
+
+		public UInt32 _bufferOffset;
+
+		public UInt32 _blockSize; // Size of Allocated memory block
+		public UInt32 _pos; // offset (from _buffer) of curent byte
+		UInt32 _keepSizeBefore; // how many BYTEs must be kept in buffer before _pos
+		UInt32 _keepSizeAfter; // how many BYTEs must be kept buffer after _pos
+		public UInt32 _streamPos; // offset (from _buffer) of first not read byte from Stream
+
+		public void MoveBlock()
+		{
+			UInt32 offset = (UInt32)(_bufferOffset) + _pos - _keepSizeBefore;
+			// we need one additional byte, since MovePos moves on 1 byte.
+			if (offset > 0)
+				offset--;
+			
+			UInt32 numBytes = (UInt32)(_bufferOffset) + _streamPos - offset;
+
+			// check negative offset ????
+			for (UInt32 i = 0; i < numBytes; i++)
+				_bufferBase[i] = _bufferBase[offset + i];
+			_bufferOffset -= offset;
+		}
+
+		public virtual void ReadBlock()
+		{
+			if (_streamEndWasReached)
+				return;
+			while (true)
+			{
+				int size = (int)((0 - _bufferOffset) + _blockSize - _streamPos);
+				if (size == 0)
+					return;
+				int numReadBytes = _stream.Read(_bufferBase, (int)(_bufferOffset + _streamPos), size);
+				if (numReadBytes == 0)
+				{
+					_posLimit = _streamPos;
+					UInt32 pointerToPostion = _bufferOffset + _posLimit;
+					if (pointerToPostion > _pointerToLastSafePosition)
+						_posLimit = (UInt32)(_pointerToLastSafePosition - _bufferOffset);
+
+					_streamEndWasReached = true;
+					return;
+				}
+				_streamPos += (UInt32)numReadBytes;
+				if (_streamPos >= _pos + _keepSizeAfter)
+					_posLimit = _streamPos - _keepSizeAfter;
+			}
+		}
+
+		void Free() { _bufferBase = null; }
+
+		public void Create(UInt32 keepSizeBefore, UInt32 keepSizeAfter, UInt32 keepSizeReserv)
+		{
+			_keepSizeBefore = keepSizeBefore;
+			_keepSizeAfter = keepSizeAfter;
+			UInt32 blockSize = keepSizeBefore + keepSizeAfter + keepSizeReserv;
+			if (_bufferBase == null || _blockSize != blockSize)
+			{
+				Free();
+				_blockSize = blockSize;
+				_bufferBase = new Byte[_blockSize];
+			}
+			_pointerToLastSafePosition = _blockSize - keepSizeAfter;
+		}
+
+		public void SetStream(System.IO.Stream stream) { _stream = stream; }
+		public void ReleaseStream() { _stream = null; }
+
+		public void Init()
+		{
+			_bufferOffset = 0;
+			_pos = 0;
+			_streamPos = 0;
+			_streamEndWasReached = false;
+			ReadBlock();
+		}
+
+		public void MovePos()
+		{
+			_pos++;
+			if (_pos > _posLimit)
+			{
+				UInt32 pointerToPostion = _bufferOffset + _pos;
+				if (pointerToPostion > _pointerToLastSafePosition)
+					MoveBlock();
+				ReadBlock();
+			}
+		}
+
+		public Byte GetIndexByte(Int32 index) { return _bufferBase[_bufferOffset + _pos + index]; }
+
+		// index + limit have not to exceed _keepSizeAfter;
+		public UInt32 GetMatchLen(Int32 index, UInt32 distance, UInt32 limit)
+		{
+			if (_streamEndWasReached)
+				if ((_pos + index) + limit > _streamPos)
+					limit = _streamPos - (UInt32)(_pos + index);
+			distance++;
+			// Byte *pby = _buffer + (size_t)_pos + index;
+			UInt32 pby = _bufferOffset + _pos + (UInt32)index;
+
+			UInt32 i;
+			for (i = 0; i < limit && _bufferBase[pby + i] == _bufferBase[pby + i - distance]; i++);
+			return i;
+		}
+
+		public UInt32 GetNumAvailableBytes() { return _streamPos - _pos; }
+
+		public void ReduceOffsets(Int32 subValue)
+		{
+			_bufferOffset += (UInt32)subValue;
+			_posLimit -= (UInt32)subValue;
+			_pos -= (UInt32)subValue;
+			_streamPos -= (UInt32)subValue;
+		}
+	}
+}

AssetStudio/7zip/Compress/LZ/LzOutWindow.cs

@@ -0,0 +1,110 @@
+// LzOutWindow.cs
+
+namespace SevenZip.Compression.LZ
+{
+	public class OutWindow
+	{
+		byte[] _buffer = null;
+		uint _pos;
+		uint _windowSize = 0;
+		uint _streamPos;
+		System.IO.Stream _stream;
+
+		public uint TrainSize = 0;
+
+		public void Create(uint windowSize)
+		{
+			if (_windowSize != windowSize)
+			{
+				// System.GC.Collect();
+				_buffer = new byte[windowSize];
+			}
+			_windowSize = windowSize;
+			_pos = 0;
+			_streamPos = 0;
+		}
+
+		public void Init(System.IO.Stream stream, bool solid)
+		{
+			ReleaseStream();
+			_stream = stream;
+			if (!solid)
+			{
+				_streamPos = 0;
+				_pos = 0;
+				TrainSize = 0;
+			}
+		}
+	
+		public bool Train(System.IO.Stream stream)
+		{
+			long len = stream.Length;
+			uint size = (len < _windowSize) ? (uint)len : _windowSize;
+			TrainSize = size;
+			stream.Position = len - size;
+			_streamPos = _pos = 0;
+			while (size > 0)
+			{
+				uint curSize = _windowSize - _pos;
+				if (size < curSize)
+					curSize = size;
+				int numReadBytes = stream.Read(_buffer, (int)_pos, (int)curSize);
+				if (numReadBytes == 0)
+					return false;
+				size -= (uint)numReadBytes;
+				_pos += (uint)numReadBytes;
+				_streamPos += (uint)numReadBytes;
+				if (_pos == _windowSize)
+					_streamPos = _pos = 0;
+			}
+			return true;
+		}
+
+		public void ReleaseStream()
+		{
+			Flush();
+			_stream = null;
+		}
+
+		public void Flush()
+		{
+			uint size = _pos - _streamPos;
+			if (size == 0)
+				return;
+			_stream.Write(_buffer, (int)_streamPos, (int)size);
+			if (_pos >= _windowSize)
+				_pos = 0;
+			_streamPos = _pos;
+		}
+
+		public void CopyBlock(uint distance, uint len)
+		{
+			uint pos = _pos - distance - 1;
+			if (pos >= _windowSize)
+				pos += _windowSize;
+			for (; len > 0; len--)
+			{
+				if (pos >= _windowSize)
+					pos = 0;
+				_buffer[_pos++] = _buffer[pos++];
+				if (_pos >= _windowSize)
+					Flush();
+			}
+		}
+
+		public void PutByte(byte b)
+		{
+			_buffer[_pos++] = b;
+			if (_pos >= _windowSize)
+				Flush();
+		}
+
+		public byte GetByte(uint distance)
+		{
+			uint pos = _pos - distance - 1;
+			if (pos >= _windowSize)
+				pos += _windowSize;
+			return _buffer[pos];
+		}
+	}
+}

AssetStudio/7zip/Compress/LZMA/LzmaBase.cs

@@ -0,0 +1,76 @@
+// LzmaBase.cs
+
+namespace SevenZip.Compression.LZMA
+{
+	internal abstract class Base
+	{
+		public const uint kNumRepDistances = 4;
+		public const uint kNumStates = 12;
+
+		// static byte []kLiteralNextStates  = {0, 0, 0, 0, 1, 2, 3, 4,  5,  6,   4, 5};
+		// static byte []kMatchNextStates    = {7, 7, 7, 7, 7, 7, 7, 10, 10, 10, 10, 10};
+		// static byte []kRepNextStates      = {8, 8, 8, 8, 8, 8, 8, 11, 11, 11, 11, 11};
+		// static byte []kShortRepNextStates = {9, 9, 9, 9, 9, 9, 9, 11, 11, 11, 11, 11};
+
+		public struct State
+		{
+			public uint Index;
+			public void Init() { Index = 0; }
+			public void UpdateChar()
+			{
+				if (Index < 4) Index = 0;
+				else if (Index < 10) Index -= 3;
+				else Index -= 6;
+			}
+			public void UpdateMatch() { Index = (uint)(Index < 7 ? 7 : 10); }
+			public void UpdateRep() { Index = (uint)(Index < 7 ? 8 : 11); }
+			public void UpdateShortRep() { Index = (uint)(Index < 7 ? 9 : 11); }
+			public bool IsCharState() { return Index < 7; }
+		}
+
+		public const int kNumPosSlotBits = 6;
+		public const int kDicLogSizeMin = 0;
+		// public const int kDicLogSizeMax = 30;
+		// public const uint kDistTableSizeMax = kDicLogSizeMax * 2;
+
+		public const int kNumLenToPosStatesBits = 2; // it's for speed optimization
+		public const uint kNumLenToPosStates = 1 << kNumLenToPosStatesBits;
+
+		public const uint kMatchMinLen = 2;
+
+		public static uint GetLenToPosState(uint len)
+		{
+			len -= kMatchMinLen;
+			if (len < kNumLenToPosStates)
+				return len;
+			return (uint)(kNumLenToPosStates - 1);
+		}
+
+		public const int kNumAlignBits = 4;
+		public const uint kAlignTableSize = 1 << kNumAlignBits;
+		public const uint kAlignMask = (kAlignTableSize - 1);
+
+		public const uint kStartPosModelIndex = 4;
+		public const uint kEndPosModelIndex = 14;
+		public const uint kNumPosModels = kEndPosModelIndex - kStartPosModelIndex;
+
+		public const uint kNumFullDistances = 1 << ((int)kEndPosModelIndex / 2);
+
+		public const uint kNumLitPosStatesBitsEncodingMax = 4;
+		public const uint kNumLitContextBitsMax = 8;
+
+		public const int kNumPosStatesBitsMax = 4;
+		public const uint kNumPosStatesMax = (1 << kNumPosStatesBitsMax);
+		public const int kNumPosStatesBitsEncodingMax = 4;
+		public const uint kNumPosStatesEncodingMax = (1 << kNumPosStatesBitsEncodingMax);
+
+		public const int kNumLowLenBits = 3;
+		public const int kNumMidLenBits = 3;
+		public const int kNumHighLenBits = 8;
+		public const uint kNumLowLenSymbols = 1 << kNumLowLenBits;
+		public const uint kNumMidLenSymbols = 1 << kNumMidLenBits;
+		public const uint kNumLenSymbols = kNumLowLenSymbols + kNumMidLenSymbols +
+				(1 << kNumHighLenBits);
+		public const uint kMatchMaxLen = kMatchMinLen + kNumLenSymbols - 1;
+	}
+}

AssetStudio/7zip/Compress/LZMA/LzmaDecoder.cs

@@ -0,0 +1,398 @@
+// LzmaDecoder.cs
+
+using System;
+
+namespace SevenZip.Compression.LZMA
+{
+	using RangeCoder;
+
+	public class Decoder : ICoder, ISetDecoderProperties // ,System.IO.Stream
+	{
+		class LenDecoder
+		{
+			BitDecoder m_Choice = new BitDecoder();
+			BitDecoder m_Choice2 = new BitDecoder();
+			BitTreeDecoder[] m_LowCoder = new BitTreeDecoder[Base.kNumPosStatesMax];
+			BitTreeDecoder[] m_MidCoder = new BitTreeDecoder[Base.kNumPosStatesMax];
+			BitTreeDecoder m_HighCoder = new BitTreeDecoder(Base.kNumHighLenBits);
+			uint m_NumPosStates = 0;
+
+			public void Create(uint numPosStates)
+			{
+				for (uint posState = m_NumPosStates; posState < numPosStates; posState++)
+				{
+					m_LowCoder[posState] = new BitTreeDecoder(Base.kNumLowLenBits);
+					m_MidCoder[posState] = new BitTreeDecoder(Base.kNumMidLenBits);
+				}
+				m_NumPosStates = numPosStates;
+			}
+
+			public void Init()
+			{
+				m_Choice.Init();
+				for (uint posState = 0; posState < m_NumPosStates; posState++)
+				{
+					m_LowCoder[posState].Init();
+					m_MidCoder[posState].Init();
+				}
+				m_Choice2.Init();
+				m_HighCoder.Init();
+			}
+
+			public uint Decode(RangeCoder.Decoder rangeDecoder, uint posState)
+			{
+				if (m_Choice.Decode(rangeDecoder) == 0)
+					return m_LowCoder[posState].Decode(rangeDecoder);
+				else
+				{
+					uint symbol = Base.kNumLowLenSymbols;
+					if (m_Choice2.Decode(rangeDecoder) == 0)
+						symbol += m_MidCoder[posState].Decode(rangeDecoder);
+					else
+					{
+						symbol += Base.kNumMidLenSymbols;
+						symbol += m_HighCoder.Decode(rangeDecoder);
+					}
+					return symbol;
+				}
+			}
+		}
+
+		class LiteralDecoder
+		{
+			struct Decoder2
+			{
+				BitDecoder[] m_Decoders;
+				public void Create() { m_Decoders = new BitDecoder[0x300]; }
+				public void Init() { for (int i = 0; i < 0x300; i++) m_Decoders[i].Init(); }
+
+				public byte DecodeNormal(RangeCoder.Decoder rangeDecoder)
+				{
+					uint symbol = 1;
+					do
+						symbol = (symbol << 1) | m_Decoders[symbol].Decode(rangeDecoder);
+					while (symbol < 0x100);
+					return (byte)symbol;
+				}
+
+				public byte DecodeWithMatchByte(RangeCoder.Decoder rangeDecoder, byte matchByte)
+				{
+					uint symbol = 1;
+					do
+					{
+						uint matchBit = (uint)(matchByte >> 7) & 1;
+						matchByte <<= 1;
+						uint bit = m_Decoders[((1 + matchBit) << 8) + symbol].Decode(rangeDecoder);
+						symbol = (symbol << 1) | bit;
+						if (matchBit != bit)
+						{
+							while (symbol < 0x100)
+								symbol = (symbol << 1) | m_Decoders[symbol].Decode(rangeDecoder);
+							break;
+						}
+					}
+					while (symbol < 0x100);
+					return (byte)symbol;
+				}
+			}
+
+			Decoder2[] m_Coders;
+			int m_NumPrevBits;
+			int m_NumPosBits;
+			uint m_PosMask;
+
+			public void Create(int numPosBits, int numPrevBits)
+			{
+				if (m_Coders != null && m_NumPrevBits == numPrevBits &&
+					m_NumPosBits == numPosBits)
+					return;
+				m_NumPosBits = numPosBits;
+				m_PosMask = ((uint)1 << numPosBits) - 1;
+				m_NumPrevBits = numPrevBits;
+				uint numStates = (uint)1 << (m_NumPrevBits + m_NumPosBits);
+				m_Coders = new Decoder2[numStates];
+				for (uint i = 0; i < numStates; i++)
+					m_Coders[i].Create();
+			}
+
+			public void Init()
+			{
+				uint numStates = (uint)1 << (m_NumPrevBits + m_NumPosBits);
+				for (uint i = 0; i < numStates; i++)
+					m_Coders[i].Init();
+			}
+
+			uint GetState(uint pos, byte prevByte)
+			{ return ((pos & m_PosMask) << m_NumPrevBits) + (uint)(prevByte >> (8 - m_NumPrevBits)); }
+
+			public byte DecodeNormal(RangeCoder.Decoder rangeDecoder, uint pos, byte prevByte)
+			{ return m_Coders[GetState(pos, prevByte)].DecodeNormal(rangeDecoder); }
+
+			public byte DecodeWithMatchByte(RangeCoder.Decoder rangeDecoder, uint pos, byte prevByte, byte matchByte)
+			{ return m_Coders[GetState(pos, prevByte)].DecodeWithMatchByte(rangeDecoder, matchByte); }
+		};
+
+		LZ.OutWindow m_OutWindow = new LZ.OutWindow();
+		RangeCoder.Decoder m_RangeDecoder = new RangeCoder.Decoder();
+
+		BitDecoder[] m_IsMatchDecoders = new BitDecoder[Base.kNumStates << Base.kNumPosStatesBitsMax];
+		BitDecoder[] m_IsRepDecoders = new BitDecoder[Base.kNumStates];
+		BitDecoder[] m_IsRepG0Decoders = new BitDecoder[Base.kNumStates];
+		BitDecoder[] m_IsRepG1Decoders = new BitDecoder[Base.kNumStates];
+		BitDecoder[] m_IsRepG2Decoders = new BitDecoder[Base.kNumStates];
+		BitDecoder[] m_IsRep0LongDecoders = new BitDecoder[Base.kNumStates << Base.kNumPosStatesBitsMax];
+
+		BitTreeDecoder[] m_PosSlotDecoder = new BitTreeDecoder[Base.kNumLenToPosStates];
+		BitDecoder[] m_PosDecoders = new BitDecoder[Base.kNumFullDistances - Base.kEndPosModelIndex];
+
+		BitTreeDecoder m_PosAlignDecoder = new BitTreeDecoder(Base.kNumAlignBits);
+
+		LenDecoder m_LenDecoder = new LenDecoder();
+		LenDecoder m_RepLenDecoder = new LenDecoder();
+
+		LiteralDecoder m_LiteralDecoder = new LiteralDecoder();
+
+		uint m_DictionarySize;
+		uint m_DictionarySizeCheck;
+
+		uint m_PosStateMask;
+
+		public Decoder()
+		{
+			m_DictionarySize = 0xFFFFFFFF;
+			for (int i = 0; i < Base.kNumLenToPosStates; i++)
+				m_PosSlotDecoder[i] = new BitTreeDecoder(Base.kNumPosSlotBits);
+		}
+
+		void SetDictionarySize(uint dictionarySize)
+		{
+			if (m_DictionarySize != dictionarySize)
+			{
+				m_DictionarySize = dictionarySize;
+				m_DictionarySizeCheck = Math.Max(m_DictionarySize, 1);
+				uint blockSize = Math.Max(m_DictionarySizeCheck, (1 << 12));
+				m_OutWindow.Create(blockSize);
+			}
+		}
+
+		void SetLiteralProperties(int lp, int lc)
+		{
+			if (lp > 8)
+				throw new InvalidParamException();
+			if (lc > 8)
+				throw new InvalidParamException();
+			m_LiteralDecoder.Create(lp, lc);
+		}
+
+		void SetPosBitsProperties(int pb)
+		{
+			if (pb > Base.kNumPosStatesBitsMax)
+				throw new InvalidParamException();
+			uint numPosStates = (uint)1 << pb;
+			m_LenDecoder.Create(numPosStates);
+			m_RepLenDecoder.Create(numPosStates);
+			m_PosStateMask = numPosStates - 1;
+		}
+
+		bool _solid = false;
+		void Init(System.IO.Stream inStream, System.IO.Stream outStream)
+		{
+			m_RangeDecoder.Init(inStream);
+			m_OutWindow.Init(outStream, _solid);
+
+			uint i;
+			for (i = 0; i < Base.kNumStates; i++)
+			{
+				for (uint j = 0; j <= m_PosStateMask; j++)
+				{
+					uint index = (i << Base.kNumPosStatesBitsMax) + j;
+					m_IsMatchDecoders[index].Init();
+					m_IsRep0LongDecoders[index].Init();
+				}
+				m_IsRepDecoders[i].Init();
+				m_IsRepG0Decoders[i].Init();
+				m_IsRepG1Decoders[i].Init();
+				m_IsRepG2Decoders[i].Init();
+			}
+
+			m_LiteralDecoder.Init();
+			for (i = 0; i < Base.kNumLenToPosStates; i++)
+				m_PosSlotDecoder[i].Init();
+			// m_PosSpecDecoder.Init();
+			for (i = 0; i < Base.kNumFullDistances - Base.kEndPosModelIndex; i++)
+				m_PosDecoders[i].Init();
+
+			m_LenDecoder.Init();
+			m_RepLenDecoder.Init();
+			m_PosAlignDecoder.Init();
+		}
+
+		public void Code(System.IO.Stream inStream, System.IO.Stream outStream,
+			Int64 inSize, Int64 outSize, ICodeProgress progress)
+		{
+			Init(inStream, outStream);
+
+			Base.State state = new Base.State();
+			state.Init();
+			uint rep0 = 0, rep1 = 0, rep2 = 0, rep3 = 0;
+
+			UInt64 nowPos64 = 0;
+			UInt64 outSize64 = (UInt64)outSize;
+			if (nowPos64 < outSize64)
+			{
+				if (m_IsMatchDecoders[state.Index << Base.kNumPosStatesBitsMax].Decode(m_RangeDecoder) != 0)
+					throw new DataErrorException();
+				state.UpdateChar();
+				byte b = m_LiteralDecoder.DecodeNormal(m_RangeDecoder, 0, 0);
+				m_OutWindow.PutByte(b);
+				nowPos64++;
+			}
+			while (nowPos64 < outSize64)
+			{
+				// UInt64 next = Math.Min(nowPos64 + (1 << 18), outSize64);
+					// while(nowPos64 < next)
+				{
+					uint posState = (uint)nowPos64 & m_PosStateMask;
+					if (m_IsMatchDecoders[(state.Index << Base.kNumPosStatesBitsMax) + posState].Decode(m_RangeDecoder) == 0)
+					{
+						byte b;
+						byte prevByte = m_OutWindow.GetByte(0);
+						if (!state.IsCharState())
+							b = m_LiteralDecoder.DecodeWithMatchByte(m_RangeDecoder,
+								(uint)nowPos64, prevByte, m_OutWindow.GetByte(rep0));
+						else
+							b = m_LiteralDecoder.DecodeNormal(m_RangeDecoder, (uint)nowPos64, prevByte);
+						m_OutWindow.PutByte(b);
+						state.UpdateChar();
+						nowPos64++;
+					}
+					else
+					{
+						uint len;
+						if (m_IsRepDecoders[state.Index].Decode(m_RangeDecoder) == 1)
+						{
+							if (m_IsRepG0Decoders[state.Index].Decode(m_RangeDecoder) == 0)
+							{
+								if (m_IsRep0LongDecoders[(state.Index << Base.kNumPosStatesBitsMax) + posState].Decode(m_RangeDecoder) == 0)
+								{
+									state.UpdateShortRep();
+									m_OutWindow.PutByte(m_OutWindow.GetByte(rep0));
+									nowPos64++;
+									continue;
+								}
+							}
+							else
+							{
+								UInt32 distance;
+								if (m_IsRepG1Decoders[state.Index].Decode(m_RangeDecoder) == 0)
+								{
+									distance = rep1;
+								}
+								else
+								{
+									if (m_IsRepG2Decoders[state.Index].Decode(m_RangeDecoder) == 0)
+										distance = rep2;
+									else
+									{
+										distance = rep3;
+										rep3 = rep2;
+									}
+									rep2 = rep1;
+								}
+								rep1 = rep0;
+								rep0 = distance;
+							}
+							len = m_RepLenDecoder.Decode(m_RangeDecoder, posState) + Base.kMatchMinLen;
+							state.UpdateRep();
+						}
+						else
+						{
+							rep3 = rep2;
+							rep2 = rep1;
+							rep1 = rep0;
+							len = Base.kMatchMinLen + m_LenDecoder.Decode(m_RangeDecoder, posState);
+							state.UpdateMatch();
+							uint posSlot = m_PosSlotDecoder[Base.GetLenToPosState(len)].Decode(m_RangeDecoder);
+							if (posSlot >= Base.kStartPosModelIndex)
+							{
+								int numDirectBits = (int)((posSlot >> 1) - 1);
+								rep0 = ((2 | (posSlot & 1)) << numDirectBits);
+								if (posSlot < Base.kEndPosModelIndex)
+									rep0 += BitTreeDecoder.ReverseDecode(m_PosDecoders,
+											rep0 - posSlot - 1, m_RangeDecoder, numDirectBits);
+								else
+								{
+									rep0 += (m_RangeDecoder.DecodeDirectBits(
+										numDirectBits - Base.kNumAlignBits) << Base.kNumAlignBits);
+									rep0 += m_PosAlignDecoder.ReverseDecode(m_RangeDecoder);
+								}
+							}
+							else
+								rep0 = posSlot;
+						}
+						if (rep0 >= m_OutWindow.TrainSize + nowPos64 || rep0 >= m_DictionarySizeCheck)
+						{
+							if (rep0 == 0xFFFFFFFF)
+								break;
+							throw new DataErrorException();
+						}
+						m_OutWindow.CopyBlock(rep0, len);
+						nowPos64 += len;
+					}
+				}
+			}
+			m_OutWindow.Flush();
+			m_OutWindow.ReleaseStream();
+			m_RangeDecoder.ReleaseStream();
+		}
+
+		public void SetDecoderProperties(byte[] properties)
+		{
+			if (properties.Length < 5)
+				throw new InvalidParamException();
+			int lc = properties[0] % 9;
+			int remainder = properties[0] / 9;
+			int lp = remainder % 5;
+			int pb = remainder / 5;
+			if (pb > Base.kNumPosStatesBitsMax)
+				throw new InvalidParamException();
+			UInt32 dictionarySize = 0;
+			for (int i = 0; i < 4; i++)
+				dictionarySize += ((UInt32)(properties[1 + i])) << (i * 8);
+			SetDictionarySize(dictionarySize);
+			SetLiteralProperties(lp, lc);
+			SetPosBitsProperties(pb);
+		}
+
+		public bool Train(System.IO.Stream stream)
+		{
+			_solid = true;
+			return m_OutWindow.Train(stream);
+		}
+
+		/*
+		public override bool CanRead { get { return true; }}
+		public override bool CanWrite { get { return true; }}
+		public override bool CanSeek { get { return true; }}
+		public override long Length { get { return 0; }}
+		public override long Position
+		{
+			get { return 0;	}
+			set { }
+		}
+		public override void Flush() { }
+		public override int Read(byte[] buffer, int offset, int count) 
+		{
+			return 0;
+		}
+		public override void Write(byte[] buffer, int offset, int count)
+		{
+		}
+		public override long Seek(long offset, System.IO.SeekOrigin origin)
+		{
+			return 0;
+		}
+		public override void SetLength(long value) {}
+		*/
+	}
+}

AssetStudio/7zip/Compress/RangeCoder/RangeCoder.cs

@@ -0,0 +1,234 @@
+using System;
+
+namespace SevenZip.Compression.RangeCoder
+{
+	class Encoder
+	{
+		public const uint kTopValue = (1 << 24);
+
+		System.IO.Stream Stream;
+
+		public UInt64 Low;
+		public uint Range;
+		uint _cacheSize;
+		byte _cache;
+
+		long StartPosition;
+
+		public void SetStream(System.IO.Stream stream)
+		{
+			Stream = stream;
+		}
+
+		public void ReleaseStream()
+		{
+			Stream = null;
+		}
+
+		public void Init()
+		{
+			StartPosition = Stream.Position;
+
+			Low = 0;
+			Range = 0xFFFFFFFF;
+			_cacheSize = 1;
+			_cache = 0;
+		}
+
+		public void FlushData()
+		{
+			for (int i = 0; i < 5; i++)
+				ShiftLow();
+		}
+
+		public void FlushStream()
+		{
+			Stream.Flush();
+		}
+
+		public void CloseStream()
+		{
+			Stream.Close();
+		}
+
+		public void Encode(uint start, uint size, uint total)
+		{
+			Low += start * (Range /= total);
+			Range *= size;
+			while (Range < kTopValue)
+			{
+				Range <<= 8;
+				ShiftLow();
+			}
+		}
+
+		public void ShiftLow()
+		{
+			if ((uint)Low < (uint)0xFF000000 || (uint)(Low >> 32) == 1)
+			{
+				byte temp = _cache;
+				do
+				{
+					Stream.WriteByte((byte)(temp + (Low >> 32)));
+					temp = 0xFF;
+				}
+				while (--_cacheSize != 0);
+				_cache = (byte)(((uint)Low) >> 24);
+			}
+			_cacheSize++;
+			Low = ((uint)Low) << 8;
+		}
+
+		public void EncodeDirectBits(uint v, int numTotalBits)
+		{
+			for (int i = numTotalBits - 1; i >= 0; i--)
+			{
+				Range >>= 1;
+				if (((v >> i) & 1) == 1)
+					Low += Range;
+				if (Range < kTopValue)
+				{
+					Range <<= 8;
+					ShiftLow();
+				}
+			}
+		}
+
+		public void EncodeBit(uint size0, int numTotalBits, uint symbol)
+		{
+			uint newBound = (Range >> numTotalBits) * size0;
+			if (symbol == 0)
+				Range = newBound;
+			else
+			{
+				Low += newBound;
+				Range -= newBound;
+			}
+			while (Range < kTopValue)
+			{
+				Range <<= 8;
+				ShiftLow();
+			}
+		}
+
+		public long GetProcessedSizeAdd()
+		{
+			return _cacheSize +
+				Stream.Position - StartPosition + 4;
+			// (long)Stream.GetProcessedSize();
+		}
+	}
+
+	class Decoder
+	{
+		public const uint kTopValue = (1 << 24);
+		public uint Range;
+		public uint Code;
+		// public Buffer.InBuffer Stream = new Buffer.InBuffer(1 << 16);
+		public System.IO.Stream Stream;
+
+		public void Init(System.IO.Stream stream)
+		{
+			// Stream.Init(stream);
+			Stream = stream;
+
+			Code = 0;
+			Range = 0xFFFFFFFF;
+			for (int i = 0; i < 5; i++)
+				Code = (Code << 8) | (byte)Stream.ReadByte();
+		}
+
+		public void ReleaseStream()
+		{
+			// Stream.ReleaseStream();
+			Stream = null;
+		}
+
+		public void CloseStream()
+		{
+			Stream.Close();
+		}
+
+		public void Normalize()
+		{
+			while (Range < kTopValue)
+			{
+				Code = (Code << 8) | (byte)Stream.ReadByte();
+				Range <<= 8;
+			}
+		}
+
+		public void Normalize2()
+		{
+			if (Range < kTopValue)
+			{
+				Code = (Code << 8) | (byte)Stream.ReadByte();
+				Range <<= 8;
+			}
+		}
+
+		public uint GetThreshold(uint total)
+		{
+			return Code / (Range /= total);
+		}
+
+		public void Decode(uint start, uint size, uint total)
+		{
+			Code -= start * Range;
+			Range *= size;
+			Normalize();
+		}
+
+		public uint DecodeDirectBits(int numTotalBits)
+		{
+			uint range = Range;
+			uint code = Code;
+			uint result = 0;
+			for (int i = numTotalBits; i > 0; i--)
+			{
+				range >>= 1;
+				/*
+				result <<= 1;
+				if (code >= range)
+				{
+					code -= range;
+					result |= 1;
+				}
+				*/
+				uint t = (code - range) >> 31;
+				code -= range & (t - 1);
+				result = (result << 1) | (1 - t);
+
+				if (range < kTopValue)
+				{
+					code = (code << 8) | (byte)Stream.ReadByte();
+					range <<= 8;
+				}
+			}
+			Range = range;
+			Code = code;
+			return result;
+		}
+
+		public uint DecodeBit(uint size0, int numTotalBits)
+		{
+			uint newBound = (Range >> numTotalBits) * size0;
+			uint symbol;
+			if (Code < newBound)
+			{
+				symbol = 0;
+				Range = newBound;
+			}
+			else
+			{
+				symbol = 1;
+				Code -= newBound;
+				Range -= newBound;
+			}
+			Normalize();
+			return symbol;
+		}
+
+		// ulong GetProcessedSize() {return Stream.GetProcessedSize(); }
+	}
+}

AssetStudio/7zip/Compress/RangeCoder/RangeCoderBit.cs

@@ -0,0 +1,117 @@
+using System;
+
+namespace SevenZip.Compression.RangeCoder
+{
+	struct BitEncoder
+	{
+		public const int kNumBitModelTotalBits = 11;
+		public const uint kBitModelTotal = (1 << kNumBitModelTotalBits);
+		const int kNumMoveBits = 5;
+		const int kNumMoveReducingBits = 2;
+		public const int kNumBitPriceShiftBits = 6;
+
+		uint Prob;
+
+		public void Init() { Prob = kBitModelTotal >> 1; }
+
+		public void UpdateModel(uint symbol)
+		{
+			if (symbol == 0)
+				Prob += (kBitModelTotal - Prob) >> kNumMoveBits;
+			else
+				Prob -= (Prob) >> kNumMoveBits;
+		}
+
+		public void Encode(Encoder encoder, uint symbol)
+		{
+			// encoder.EncodeBit(Prob, kNumBitModelTotalBits, symbol);
+			// UpdateModel(symbol);
+			uint newBound = (encoder.Range >> kNumBitModelTotalBits) * Prob;
+			if (symbol == 0)
+			{
+				encoder.Range = newBound;
+				Prob += (kBitModelTotal - Prob) >> kNumMoveBits;
+			}
+			else
+			{
+				encoder.Low += newBound;
+				encoder.Range -= newBound;
+				Prob -= (Prob) >> kNumMoveBits;
+			}
+			if (encoder.Range < Encoder.kTopValue)
+			{
+				encoder.Range <<= 8;
+				encoder.ShiftLow();
+			}
+		}
+
+		private static UInt32[] ProbPrices = new UInt32[kBitModelTotal >> kNumMoveReducingBits];
+
+		static BitEncoder()
+		{
+			const int kNumBits = (kNumBitModelTotalBits - kNumMoveReducingBits);
+			for (int i = kNumBits - 1; i >= 0; i--)
+			{
+				UInt32 start = (UInt32)1 << (kNumBits - i - 1);
+				UInt32 end = (UInt32)1 << (kNumBits - i);
+				for (UInt32 j = start; j < end; j++)
+					ProbPrices[j] = ((UInt32)i << kNumBitPriceShiftBits) +
+						(((end - j) << kNumBitPriceShiftBits) >> (kNumBits - i - 1));
+			}
+		}
+
+		public uint GetPrice(uint symbol)
+		{
+			return ProbPrices[(((Prob - symbol) ^ ((-(int)symbol))) & (kBitModelTotal - 1)) >> kNumMoveReducingBits];
+		}
+	  public uint GetPrice0() { return ProbPrices[Prob >> kNumMoveReducingBits]; }
+		public uint GetPrice1() { return ProbPrices[(kBitModelTotal - Prob) >> kNumMoveReducingBits]; }
+	}
+
+	struct BitDecoder
+	{
+		public const int kNumBitModelTotalBits = 11;
+		public const uint kBitModelTotal = (1 << kNumBitModelTotalBits);
+		const int kNumMoveBits = 5;
+
+		uint Prob;
+
+		public void UpdateModel(int numMoveBits, uint symbol)
+		{
+			if (symbol == 0)
+				Prob += (kBitModelTotal - Prob) >> numMoveBits;
+			else
+				Prob -= (Prob) >> numMoveBits;
+		}
+
+		public void Init() { Prob = kBitModelTotal >> 1; }
+
+		public uint Decode(RangeCoder.Decoder rangeDecoder)
+		{
+			uint newBound = (uint)(rangeDecoder.Range >> kNumBitModelTotalBits) * (uint)Prob;
+			if (rangeDecoder.Code < newBound)
+			{
+				rangeDecoder.Range = newBound;
+				Prob += (kBitModelTotal - Prob) >> kNumMoveBits;
+				if (rangeDecoder.Range < Decoder.kTopValue)
+				{
+					rangeDecoder.Code = (rangeDecoder.Code << 8) | (byte)rangeDecoder.Stream.ReadByte();
+					rangeDecoder.Range <<= 8;
+				}
+				return 0;
+			}
+			else
+			{
+				rangeDecoder.Range -= newBound;
+				rangeDecoder.Code -= newBound;
+				Prob -= (Prob) >> kNumMoveBits;
+				if (rangeDecoder.Range < Decoder.kTopValue)
+				{
+					rangeDecoder.Code = (rangeDecoder.Code << 8) | (byte)rangeDecoder.Stream.ReadByte();
+					rangeDecoder.Range <<= 8;
+				}
+				return 1;
+			}
+		}
+	}
+}

AssetStudio/7zip/Compress/RangeCoder/RangeCoderBitTree.cs

@@ -0,0 +1,157 @@
+using System;
+
+namespace SevenZip.Compression.RangeCoder
+{
+	struct BitTreeEncoder
+	{
+		BitEncoder[] Models;
+		int NumBitLevels;
+
+		public BitTreeEncoder(int numBitLevels)
+		{
+			NumBitLevels = numBitLevels;
+			Models = new BitEncoder[1 << numBitLevels];
+		}
+
+		public void Init()
+		{
+			for (uint i = 1; i < (1 << NumBitLevels); i++)
+				Models[i].Init();
+		}
+
+		public void Encode(Encoder rangeEncoder, UInt32 symbol)
+		{
+			UInt32 m = 1;
+			for (int bitIndex = NumBitLevels; bitIndex > 0; )
+			{
+				bitIndex--;
+				UInt32 bit = (symbol >> bitIndex) & 1;
+				Models[m].Encode(rangeEncoder, bit);
+				m = (m << 1) | bit;
+			}
+		}
+
+		public void ReverseEncode(Encoder rangeEncoder, UInt32 symbol)
+		{
+			UInt32 m = 1;
+			for (UInt32 i = 0; i < NumBitLevels; i++)
+			{
+				UInt32 bit = symbol & 1;
+				Models[m].Encode(rangeEncoder, bit);
+				m = (m << 1) | bit;
+				symbol >>= 1;
+			}
+		}
+
+		public UInt32 GetPrice(UInt32 symbol)
+		{
+			UInt32 price = 0;
+			UInt32 m = 1;
+			for (int bitIndex = NumBitLevels; bitIndex > 0; )
+			{
+				bitIndex--;
+				UInt32 bit = (symbol >> bitIndex) & 1;
+				price += Models[m].GetPrice(bit);
+				m = (m << 1) + bit;
+			}
+			return price;
+		}
+
+		public UInt32 ReverseGetPrice(UInt32 symbol)
+		{
+			UInt32 price = 0;
+			UInt32 m = 1;
+			for (int i = NumBitLevels; i > 0; i--)
+			{
+				UInt32 bit = symbol & 1;
+				symbol >>= 1;
+				price += Models[m].GetPrice(bit);
+				m = (m << 1) | bit;
+			}
+			return price;
+		}
+
+		public static UInt32 ReverseGetPrice(BitEncoder[] Models, UInt32 startIndex,
+			int NumBitLevels, UInt32 symbol)
+		{
+			UInt32 price = 0;
+			UInt32 m = 1;
+			for (int i = NumBitLevels; i > 0; i--)
+			{
+				UInt32 bit = symbol & 1;
+				symbol >>= 1;
+				price += Models[startIndex + m].GetPrice(bit);
+				m = (m << 1) | bit;
+			}
+			return price;
+		}
+
+		public static void ReverseEncode(BitEncoder[] Models, UInt32 startIndex,
+			Encoder rangeEncoder, int NumBitLevels, UInt32 symbol)
+		{
+			UInt32 m = 1;
+			for (int i = 0; i < NumBitLevels; i++)
+			{
+				UInt32 bit = symbol & 1;
+				Models[startIndex + m].Encode(rangeEncoder, bit);
+				m = (m << 1) | bit;
+				symbol >>= 1;
+			}
+		}
+	}
+
+	struct BitTreeDecoder
+	{
+		BitDecoder[] Models;
+		int NumBitLevels;
+
+		public BitTreeDecoder(int numBitLevels)
+		{
+			NumBitLevels = numBitLevels;
+			Models = new BitDecoder[1 << numBitLevels];
+		}
+
+		public void Init()
+		{
+			for (uint i = 1; i < (1 << NumBitLevels); i++)
+				Models[i].Init();
+		}
+
+		public uint Decode(RangeCoder.Decoder rangeDecoder)
+		{
+			uint m = 1;
+			for (int bitIndex = NumBitLevels; bitIndex > 0; bitIndex--)
+				m = (m << 1) + Models[m].Decode(rangeDecoder);
+			return m - ((uint)1 << NumBitLevels);
+		}
+
+		public uint ReverseDecode(RangeCoder.Decoder rangeDecoder)
+		{
+			uint m = 1;
+			uint symbol = 0;
+			for (int bitIndex = 0; bitIndex < NumBitLevels; bitIndex++)
+			{
+				uint bit = Models[m].Decode(rangeDecoder);
+				m <<= 1;
+				m += bit;
+				symbol |= (bit << bitIndex);
+			}
+			return symbol;
+		}
+
+		public static uint ReverseDecode(BitDecoder[] Models, UInt32 startIndex,
+			RangeCoder.Decoder rangeDecoder, int NumBitLevels)
+		{
+			uint m = 1;
+			uint symbol = 0;
+			for (int bitIndex = 0; bitIndex < NumBitLevels; bitIndex++)
+			{
+				uint bit = Models[startIndex + m].Decode(rangeDecoder);
+				m <<= 1;
+				m += bit;
+				symbol |= (bit << bitIndex);
+			}
+			return symbol;
+		}
+	}
+}

AssetStudio/7zip/ICoder.cs

@@ -0,0 +1,157 @@
+// ICoder.h
+
+using System;
+
+namespace SevenZip
+{
+	/// <summary>
+	/// The exception that is thrown when an error in input stream occurs during decoding.
+	/// </summary>
+	class DataErrorException : ApplicationException
+	{
+		public DataErrorException(): base("Data Error") { }
+	}
+
+	/// <summary>
+	/// The exception that is thrown when the value of an argument is outside the allowable range.
+	/// </summary>
+	class InvalidParamException : ApplicationException
+	{
+		public InvalidParamException(): base("Invalid Parameter") { }
+	}
+
+	public interface ICodeProgress
+	{
+		/// <summary>
+		/// Callback progress.
+		/// </summary>
+		/// <param name="inSize">
+		/// input size. -1 if unknown.
+		/// </param>
+		/// <param name="outSize">
+		/// output size. -1 if unknown.
+		/// </param>
+		void SetProgress(Int64 inSize, Int64 outSize);
+	};
+
+	public interface ICoder
+	{
+		/// <summary>
+		/// Codes streams.
+		/// </summary>
+		/// <param name="inStream">
+		/// input Stream.
+		/// </param>
+		/// <param name="outStream">
+		/// output Stream.
+		/// </param>
+		/// <param name="inSize">
+		/// input Size. -1 if unknown.
+		/// </param>
+		/// <param name="outSize">
+		/// output Size. -1 if unknown.
+		/// </param>
+		/// <param name="progress">
+		/// callback progress reference.
+		/// </param>
+		/// <exception cref="SevenZip.DataErrorException">
+		/// if input stream is not valid
+		/// </exception>
+		void Code(System.IO.Stream inStream, System.IO.Stream outStream,
+			Int64 inSize, Int64 outSize, ICodeProgress progress);
+	};
+
+	/*
+	public interface ICoder2
+	{
+		 void Code(ISequentialInStream []inStreams,
+				const UInt64 []inSizes, 
+				ISequentialOutStream []outStreams, 
+				UInt64 []outSizes,
+				ICodeProgress progress);
+	};
+  */
+
+	/// <summary>
+	/// Provides the fields that represent properties idenitifiers for compressing.
+	/// </summary>
+	public enum CoderPropID
+	{
+		/// <summary>
+		/// Specifies default property.
+		/// </summary>
+		DefaultProp = 0,
+		/// <summary>
+		/// Specifies size of dictionary.
+		/// </summary>
+		DictionarySize,
+		/// <summary>
+		/// Specifies size of memory for PPM*.
+		/// </summary>
+		UsedMemorySize,
+		/// <summary>
+		/// Specifies order for PPM methods.
+		/// </summary>
+		Order,
+		/// <summary>
+		/// Specifies Block Size.
+		/// </summary>
+		BlockSize,
+		/// <summary>
+		/// Specifies number of postion state bits for LZMA (0 <= x <= 4).
+		/// </summary>
+		PosStateBits,
+		/// <summary>
+		/// Specifies number of literal context bits for LZMA (0 <= x <= 8).
+		/// </summary>
+		LitContextBits,
+		/// <summary>
+		/// Specifies number of literal position bits for LZMA (0 <= x <= 4).
+		/// </summary>
+		LitPosBits,
+		/// <summary>
+		/// Specifies number of fast bytes for LZ*.
+		/// </summary>
+		NumFastBytes,
+		/// <summary>
+		/// Specifies match finder. LZMA: "BT2", "BT4" or "BT4B".
+		/// </summary>
+		MatchFinder,
+		/// <summary>
+		/// Specifies the number of match finder cyckes.
+		/// </summary>
+		MatchFinderCycles,
+		/// <summary>
+		/// Specifies number of passes.
+		/// </summary>
+		NumPasses,
+		/// <summary>
+		/// Specifies number of algorithm.
+		/// </summary>
+		Algorithm,
+		/// <summary>
+		/// Specifies the number of threads.
+		/// </summary>
+		NumThreads,
+		/// <summary>
+		/// Specifies mode with end marker.
+		/// </summary>
+		EndMarker
+	};
+
+
+	public interface ISetCoderProperties
+	{
+		void SetCoderProperties(CoderPropID[] propIDs, object[] properties);
+	};
+
+	public interface IWriteCoderProperties
+	{
+		void WriteCoderProperties(System.IO.Stream outStream);
+	}
+
+	public interface ISetDecoderProperties
+	{
+		void SetDecoderProperties(byte[] properties);
+	}
+}

AssetStudio/AIVersionManager.cs

@@ -0,0 +1,231 @@
+using System;
+using System.IO;
+using System.Linq;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using System.Net.Http;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using System.Threading;
+
+namespace AssetStudio
+{
+    public static class AIVersionManager
+    {
+        private const string BaseUrl = "https://raw.githubusercontent.com/14eyes/gi-asset-indexes/master/";
+        private const string CommitsUrl = "https://api.github.com/repos/14eyes/gi-asset-indexes/commits?path=";
+        private const string VersionIndexName = "version-index.json";
+        private const string VersionIndexKey = "index";
+
+        private static readonly string BaseAIFolder = Path.Combine(Environment.CurrentDirectory, "AI");
+        private static readonly string VersionsPath = Path.Combine(BaseAIFolder, "versions.json");
+        
+        private static readonly HttpClient Client;
+
+        private static Dictionary<string, VersionIndex> Versions;
+        
+        static AIVersionManager()
+        {
+            Client = new HttpClient();
+            Client.DefaultRequestHeaders.Add("User-Agent", "Mozilla/5.0 (compatible; MSIE 6.0; Windows 98; Trident/5.1)");
+            Versions = new Dictionary<string, VersionIndex>();
+        }
+
+        public static List<(string, bool)> GetVersions()
+        {
+            var versions = new List<(string, bool)>();
+            var cachedVersions = LoadVersions();
+            foreach (var version in Versions)
+            {
+                versions.Add((version.Key, cachedVersions.ContainsKey(version.Key)));
+            }
+            return versions;
+        }
+        public static async Task<bool> FetchVersions()
+        {
+            var versions = "";
+            var url = Path.Combine(BaseUrl, VersionIndexName);
+            var path = GetPath(VersionIndexKey);
+            if (await NeedDownload(VersionIndexKey, VersionIndexName))
+            {
+                versions = await DownloadString(url, TimeSpan.FromSeconds(2));
+                if (string.IsNullOrEmpty(versions))
+                {
+                    Logger.Warning("Could not load AI versions !!");
+                    return false;
+                }
+                if (!await StoreCommit(VersionIndexKey, VersionIndexName))
+                {
+                    throw new Exception("Failed to store version list !!");
+                }
+                File.WriteAllText(path, versions);
+            }
+            else
+            {
+                versions = File.ReadAllText(path);
+            }
+            Versions = JsonConvert.DeserializeObject<List<VersionIndex>>(versions).ToDictionary(x => x.Version, x => x);
+            return Versions.Count > 0;
+        }
+
+        public static async Task<string> FetchAI(string version)
+        {
+            var path = "";
+            if (Versions.TryGetValue(version, out var versionIndex))
+            {
+                var url = Path.Combine(BaseUrl, versionIndex.MappedPath);
+                path = GetPath(version);
+                if (await NeedDownload(version, versionIndex.MappedPath))
+                {
+                    Logger.Info("Downloading...");
+                    var json = await DownloadString(url, TimeSpan.FromMinutes(1));
+                    if (string.IsNullOrEmpty(json))
+                    {
+                        Logger.Warning("Could not load AI !!");
+                        return "";
+                    }
+                    if (!await StoreCommit(version, versionIndex.MappedPath))
+                    {
+                        throw new Exception("Failed to store AI !!");
+                    }
+                    File.WriteAllText(path, json);
+                }
+            }
+            return path;
+        }
+        private static bool CreateUri(string source, out Uri result) => Uri.TryCreate(source, UriKind.Absolute, out result) && result.Scheme == Uri.UriSchemeHttps;
+
+        private static async Task<string> DownloadString(string url, TimeSpan timeout)
+        {
+            var content = "";
+            if (CreateUri(url, out var uri))
+            {
+                try
+                {
+                    using (var cts = new CancellationTokenSource())
+                    {
+                        cts.CancelAfter(timeout);
+                        var response = await Client.GetAsync(uri, cts.Token);
+                        content = await response.Content.ReadAsStringAsync();
+                    }
+                }
+                catch (TaskCanceledException ex)
+                {
+                    Logger.Warning($"Timeout occured while trying to download {Path.GetFileName(url)}, {ex.Message}");
+                }
+                catch (Exception ex)
+                {
+                    Logger.Warning($"Failed to download {Path.GetFileName(url)}, {ex.Message}");
+                }
+            }
+            return content;
+        }
+
+        private static async Task<bool> NeedDownload(string key, string path)
+        {
+            if (!File.Exists(GetPath(key)))
+            {
+                return true;
+            }
+            var latestCommit = await GetLatestCommit(path);
+            if (string.IsNullOrEmpty(latestCommit))
+            {
+                return !File.Exists(GetPath(key));
+            }
+            var dict = LoadVersions();
+            if (dict.TryGetValue(key, out var commit))
+            {
+                if (commit == latestCommit)
+                {
+                    return false;
+                }
+            }
+            return true;
+        }
+
+        private static async Task<bool> StoreCommit(string key, string path)
+        {
+            var latestCommit = await GetLatestCommit(path);
+            if (string.IsNullOrEmpty(latestCommit))
+            {
+                return false;
+            }
+            var dict = LoadVersions();
+            if (dict.TryGetValue(key, out var commit))
+            {
+                if (commit != latestCommit)
+                {
+                    dict[key] = latestCommit;
+                }
+            }
+            else dict.Add(key, latestCommit);
+            StoreVersions(dict);
+            return true;
+        }
+
+        private static Dictionary<string, string> CreateVersions()
+        {
+            var dict = new Dictionary<string, string>();
+            var dir = Path.GetDirectoryName(VersionsPath);
+            Directory.CreateDirectory(dir);
+            var json = JsonConvert.SerializeObject(dict);
+            File.WriteAllText(VersionsPath, json);
+            return dict;
+        }
+
+        private static Dictionary<string, string> LoadVersions()
+        {
+            if (!File.Exists(VersionsPath))
+            {
+                return CreateVersions();
+            }
+
+            var file = File.ReadAllText(VersionsPath);
+            return JsonConvert.DeserializeObject<Dictionary<string, string>>(file);
+        }
+
+        private static void StoreVersions(Dictionary<string, string> dict)
+        {
+            var json = JsonConvert.SerializeObject(dict, Formatting.Indented);
+            File.WriteAllText(VersionsPath, json);
+        }
+
+        private static string GetPath(string version)
+        {
+            string path = "";
+            if (Versions.TryGetValue(version, out var versionIndex))
+            {
+                path = Path.Combine(BaseAIFolder, Path.GetFileName(versionIndex.MappedPath));
+            }
+            else if (version == VersionIndexKey)
+            {
+                path = Path.Combine(BaseAIFolder, VersionIndexName);
+            }
+            return path;
+        }
+
+        private static async Task<string> GetLatestCommit(string path)
+        {
+            string commit = "";
+            var json = await DownloadString($"{CommitsUrl}{path}", TimeSpan.FromSeconds(2));
+            try
+            {
+                JArray data = JArray.Parse(json);
+                commit = data[0]["sha"].ToString();
+            }
+            catch (Exception)
+            {
+                Logger.Warning($"Failed to parse latest commit {Path.GetFileName(path)}");
+            }
+            return commit;
+        }
+
+        internal record VersionIndex
+        {
+            public string MappedPath = "";
+            public string RawPath = "";
+            public string Version = "";
+            public double Coverage = 0;
+        }
+    }
+}

AssetStudio/AssetEntry.cs

@@ -0,0 +1,11 @@
+namespace AssetStudio
+{
+    public class AssetEntry
+    {
+        public string Name;
+        public string Container;
+        public string Source;
+        public long PathID;
+        public ClassIDType Type;
+    }
+}

AssetStudio/AssetStudio.csproj

@@ -0,0 +1,22 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Version>1.18.60</Version>
+    <AssemblyVersion>1.18.60</AssemblyVersion>
+    <FileVersion>1.18.60</FileVersion>
+    <Copyright>Copyright © Razmoth 2022; Copyright © Perfare 2018-2022</Copyright>
+	<DebugType>embedded</DebugType>
+	<ApplicationIcon>as.ico</ApplicationIcon>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Content Include="as.ico" />
+  </ItemGroup>
+    
+  <ItemGroup>
+	<PackageReference Include="K4os.Compression.LZ4" Version="1.2.16" />
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.2-beta2" />
+  </ItemGroup>
+
+</Project>

AssetStudio/AssetsManager.cs

@@ -0,0 +1,586 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.IO.Compression;
+using System.Linq;
+using System.Text;
+using static AssetStudio.ImportHelper;
+
+namespace AssetStudio
+{
+    public class AssetsManager
+    {
+        public Game Game;
+        public bool ResolveDependancies;
+        public string SpecifyUnityVersion;
+        public List<SerializedFile> assetsFileList = new List<SerializedFile>();
+
+        internal Dictionary<string, int> assetsFileIndexCache = new Dictionary<string, int>(StringComparer.OrdinalIgnoreCase);
+        internal Dictionary<string, BinaryReader> resourceFileReaders = new Dictionary<string, BinaryReader>(StringComparer.OrdinalIgnoreCase);
+
+        private List<string> importFiles = new List<string>();
+        private HashSet<string> importFilesHash = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+        private HashSet<string> assetsFileListHash = new HashSet<string>(StringComparer.OrdinalIgnoreCase);
+
+        public void LoadFiles(params string[] files)
+        {
+            if (ResolveDependancies)
+                files = CABManager.ProcessDependencies(files);
+            Load(files);
+        }
+
+        public void LoadFolder(string path)
+        {
+            var files = Directory.GetFiles(path, "*.*", SearchOption.AllDirectories).ToArray();
+            Load(files);
+        }
+
+        private void Load(string[] files)
+        {
+            foreach (var file in files)
+            {
+                importFiles.Add(file);
+                importFilesHash.Add(Path.GetFileName(file));
+            }
+
+            Progress.Reset();
+            //use a for loop because list size can change
+            for (var i = 0; i < importFiles.Count; i++)
+            {
+                LoadFile(importFiles[i]);
+                Progress.Report(i + 1, importFiles.Count);
+            }
+
+            importFiles.Clear();
+            importFilesHash.Clear();
+            assetsFileListHash.Clear();
+            CABManager.offsets.Clear();
+
+            ReadAssets();
+            ProcessAssets();
+        }
+
+        private void LoadFile(string fullName)
+        {
+            var reader = new FileReader(fullName, Game);
+            LoadFile(reader);
+        }
+
+        private void LoadFile(FileReader reader)
+        {
+            switch (reader.FileType)
+            {
+                case FileType.AssetsFile:
+                    LoadAssetsFile(reader);
+                    break;
+                case FileType.BundleFile:
+                    LoadBundleFile(reader);
+                    break;
+                case FileType.GameFile:
+                    LoadGameFile(reader);
+                    break;
+                case FileType.WebFile:
+                    LoadWebFile(reader);
+                    break;
+                case FileType.GZipFile:
+                    LoadFile(DecompressGZip(reader));
+                    break;
+                case FileType.BrotliFile:
+                    LoadFile(DecompressBrotli(reader));
+                    break;
+                case FileType.ZipFile:
+                    LoadZipFile(reader);
+                    break;
+            }
+        }
+
+        private void LoadAssetsFile(FileReader reader)
+        {
+            if (!assetsFileListHash.Contains(reader.FileName))
+            {
+                Logger.Info($"Loading {reader.FileName}");
+                try
+                {
+                    var assetsFile = new SerializedFile(reader, this, reader.FullPath);
+                    CheckStrippedVersion(assetsFile);
+                    assetsFileList.Add(assetsFile);
+                    assetsFileListHash.Add(assetsFile.fileName);
+                }
+                catch (Exception e)
+                {
+                    Logger.Error($"Error while reading assets file {reader.FullPath}", e);
+                    reader.Dispose();
+                }
+            }
+            else
+            {
+                Logger.Info($"Skipping {reader.FullPath}");
+                reader.Dispose();
+            }
+        }
+
+        private void LoadAssetsFromMemory(FileReader reader, string originalPath, string unityVersion = null)
+        {
+            if (!assetsFileListHash.Contains(reader.FileName))
+            {
+                try
+                {
+                    var assetsFile = new SerializedFile(reader, this);
+                    assetsFile.originalPath = originalPath;
+                    if (!string.IsNullOrEmpty(unityVersion) && assetsFile.header.m_Version < SerializedFileFormatVersion.Unknown_7)
+                    {
+                        assetsFile.SetVersion(unityVersion);
+                    }
+                    CheckStrippedVersion(assetsFile);
+                    assetsFileList.Add(assetsFile);
+                    assetsFileListHash.Add(assetsFile.fileName);
+                }
+                catch (Exception e)
+                {
+                    Logger.Error($"Error while reading assets file {reader.FullPath} from {Path.GetFileName(originalPath)}", e);
+                    resourceFileReaders.Add(reader.FileName, reader);
+                }
+            }
+            else
+                Logger.Info($"Skipping {originalPath} ({reader.FileName})");
+        }
+
+        private void LoadBundleFile(FileReader reader, string originalPath = null)
+        {
+            Logger.Info("Loading " + reader.FullPath);
+            try
+            {
+                var bundleFile = new BundleFile(reader);
+                foreach (var file in bundleFile.FileList)
+                {
+                    var dummyPath = Path.Combine(Path.GetDirectoryName(reader.FullPath), file.fileName);
+                    var subReader = new FileReader(dummyPath, file.stream);
+                    if (subReader.FileType == FileType.AssetsFile)
+                    {
+                        LoadAssetsFromMemory(subReader, originalPath ?? reader.FullPath, bundleFile.m_Header.unityRevision);
+                    }
+                    else
+                    {
+                        resourceFileReaders[file.fileName] = subReader; //TODO
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                var str = $"Error while reading bundle file {reader.FullPath}";
+                if (originalPath != null)
+                {
+                    str += $" from {Path.GetFileName(originalPath)}";
+                }
+                Logger.Error(str, e);
+            }
+            finally
+            {
+                reader.Dispose();
+            }
+        }
+
+        private void LoadWebFile(FileReader reader)
+        {
+            Logger.Info("Loading " + reader.FullPath);
+            try
+            {
+                var webFile = new WebFile(reader);
+                foreach (var file in webFile.fileList)
+                {
+                    var dummyPath = Path.Combine(Path.GetDirectoryName(reader.FullPath), file.fileName);
+                    var subReader = new FileReader(dummyPath, file.stream);
+                    switch (subReader.FileType)
+                    {
+                        case FileType.AssetsFile:
+                            LoadAssetsFromMemory(subReader, reader.FullPath);
+                            break;
+                        case FileType.BundleFile:
+                            LoadBundleFile(subReader, reader.FullPath);
+                            break;
+                        case FileType.WebFile:
+                            LoadWebFile(subReader);
+                            break;
+                        case FileType.ResourceFile:
+                            resourceFileReaders[file.fileName] = subReader; //TODO
+                            break;
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                Logger.Error($"Error while reading web file {reader.FullPath}", e);
+            }
+            finally
+            {
+                reader.Dispose();
+            }
+        }
+
+        private void LoadZipFile(FileReader reader)
+        {
+            Logger.Info("Loading " + reader.FileName);
+            try
+            {
+                using (ZipArchive archive = new ZipArchive(reader.BaseStream, ZipArchiveMode.Read))
+                {
+                    List<string> splitFiles = new List<string>();
+                    // register all files before parsing the assets so that the external references can be found
+                    // and find split files
+                    foreach (ZipArchiveEntry entry in archive.Entries)
+                    {
+                        if (entry.Name.Contains(".split"))
+                        {
+                            string baseName = Path.GetFileNameWithoutExtension(entry.Name);
+                            string basePath = Path.Combine(Path.GetDirectoryName(entry.FullName), baseName);
+                            if (!splitFiles.Contains(basePath))
+                            {
+                                splitFiles.Add(basePath);
+                                importFilesHash.Add(baseName);
+                            }
+                        }
+                        else
+                        {
+                            importFilesHash.Add(entry.Name);
+                        }
+                    }
+
+                    // merge split files and load the result
+                    foreach (string basePath in splitFiles)
+                    {
+                        try
+                        {
+                            Stream splitStream = new MemoryStream();
+                            int i = 0;
+                            while (true)
+                            {
+                                string path = $"{basePath}.split{i++}";
+                                ZipArchiveEntry entry = archive.GetEntry(path);
+                                if (entry == null)
+                                    break;
+                                using (Stream entryStream = entry.Open())
+                                {
+                                    entryStream.CopyTo(splitStream);
+                                }
+                            }
+                            splitStream.Seek(0, SeekOrigin.Begin);
+                            FileReader entryReader = new FileReader(basePath, splitStream);
+                            LoadFile(entryReader);
+                        }
+                        catch (Exception e)
+                        {
+                            Logger.Error($"Error while reading zip split file {basePath}", e);
+                        }
+                    }
+
+                    // load all entries
+                    foreach (ZipArchiveEntry entry in archive.Entries)
+                    {
+                        try
+                        {
+                            string dummyPath = Path.Combine(Path.GetDirectoryName(reader.FullPath), reader.FileName, entry.FullName);
+                            // create a new stream
+                            // - to store the deflated stream in
+                            // - to keep the data for later extraction
+                            Stream streamReader = new MemoryStream();
+                            using (Stream entryStream = entry.Open())
+                            {
+                                entryStream.CopyTo(streamReader);
+                            }
+                            streamReader.Position = 0;
+
+                            FileReader entryReader = new FileReader(dummyPath, streamReader);
+                            LoadFile(entryReader);
+                            if (entryReader.FileType == FileType.ResourceFile)
+                            {
+                                entryReader.Position = 0;
+                                if (!resourceFileReaders.ContainsKey(entry.Name))
+                                {
+                                    resourceFileReaders.Add(entry.Name, entryReader);
+                                }
+                            }
+                        }
+                        catch (Exception e)
+                        {
+                            Logger.Error($"Error while reading zip entry {entry.FullName}", e);
+                        }
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                Logger.Error($"Error while reading zip file {reader.FileName}", e);
+            }
+            finally
+            {
+                reader.Dispose();
+            }
+        }
+
+        private void LoadGameFile(FileReader reader)
+        {
+            Logger.Info("Loading " + reader.FileName);
+            try
+            {
+                reader.BundlePos = CABManager.offsets.TryGetValue(reader.FullPath, out var list) ? list.ToArray() : Array.Empty<long>();
+                var gameFile = new GameFile(reader);
+                foreach (var bundle in gameFile.Bundles)
+                {
+                    foreach (var file in bundle.Value)
+                    {
+                        var dummyPath = Path.Combine(Path.GetDirectoryName(reader.FullPath), file.fileName);
+                        var cabReader = new FileReader(dummyPath, file.stream, Game);
+                        if (cabReader.FileType == FileType.AssetsFile)
+                        {
+                            var assetsFile = new SerializedFile(cabReader, this, reader.FullPath);
+                            CheckStrippedVersion(assetsFile);
+                            assetsFileList.Add(assetsFile);
+                            assetsFileListHash.Add(assetsFile.fileName);
+                        }
+                        else
+                        {
+                            resourceFileReaders[file.fileName] = cabReader; //TODO
+                        }
+                    }
+                }
+            }
+            catch (Exception e)
+            {
+                Logger.Error($"Error while reading file {reader.FileName}", e);
+            }
+            finally
+            {
+                reader.Dispose();
+            }
+        }
+
+        public void CheckStrippedVersion(SerializedFile assetsFile)
+        {
+            if (assetsFile.IsVersionStripped && string.IsNullOrEmpty(SpecifyUnityVersion))
+            {
+                throw new Exception("The Unity version has been stripped, please set the version in the options");
+            }
+            if (!string.IsNullOrEmpty(SpecifyUnityVersion))
+            {
+                assetsFile.SetVersion(SpecifyUnityVersion);
+            }
+        }
+
+        public void Clear()
+        {
+            foreach (var assetsFile in assetsFileList)
+            {
+                assetsFile.Objects.Clear();
+                assetsFile.reader.Close();
+            }
+            assetsFileList.Clear();
+
+            foreach (var resourceFileReader in resourceFileReaders)
+            {
+                resourceFileReader.Value.Close();
+            }
+            resourceFileReaders.Clear();
+
+            assetsFileIndexCache.Clear();
+        }
+
+        private void ReadAssets()
+        {
+            Logger.Info("Read assets...");
+
+            var progressCount = assetsFileList.Sum(x => x.m_Objects.Count);
+            int i = 0;
+            Progress.Reset();
+            foreach (var assetsFile in assetsFileList)
+            {
+                foreach (var objectInfo in assetsFile.m_Objects)
+                {
+                    var objectReader = new ObjectReader(assetsFile.reader, assetsFile, objectInfo);
+                    try
+                    {
+                        Object obj;
+                        switch (objectReader.type)
+                        {
+                            case ClassIDType.Animation:
+                                obj = new Animation(objectReader);
+                                break;
+                            case ClassIDType.AnimationClip:
+                                obj = new AnimationClip(objectReader);
+                                break;
+                            case ClassIDType.Animator:
+                                obj = new Animator(objectReader);
+                                break;
+                            case ClassIDType.AnimatorController:
+                                obj = new AnimatorController(objectReader);
+                                break;
+                            case ClassIDType.AnimatorOverrideController:
+                                obj = new AnimatorOverrideController(objectReader);
+                                break;
+                            case ClassIDType.AssetBundle:
+                                obj = new AssetBundle(objectReader);
+                                break;
+                            case ClassIDType.AudioClip:
+                                obj = new AudioClip(objectReader);
+                                break;
+                            case ClassIDType.Avatar:
+                                obj = new Avatar(objectReader);
+                                break;
+                            case ClassIDType.Font:
+                                obj = new Font(objectReader);
+                                break;
+                            case ClassIDType.GameObject:
+                                obj = new GameObject(objectReader);
+                                break;
+                            case ClassIDType.IndexObject:
+                                obj = new IndexObject(objectReader);
+                                break;
+                            case ClassIDType.Material:
+                                obj = new Material(objectReader);
+                                break;
+                            case ClassIDType.Mesh:
+                                obj = new Mesh(objectReader);
+                                break;
+                            case ClassIDType.MeshFilter:
+                                obj = new MeshFilter(objectReader);
+                                break;
+                            case ClassIDType.MeshRenderer:
+                                if (!Renderer.Parsable) continue;
+                                obj = new MeshRenderer(objectReader);
+                                break;
+                            case ClassIDType.MiHoYoBinData:
+                                obj = new MiHoYoBinData(objectReader);
+                                break;
+                            case ClassIDType.MonoBehaviour:
+                                obj = new MonoBehaviour(objectReader);
+                                break;
+                            case ClassIDType.MonoScript:
+                                obj = new MonoScript(objectReader);
+                                break;
+                            case ClassIDType.MovieTexture:
+                                obj = new MovieTexture(objectReader);
+                                break;
+                            case ClassIDType.PlayerSettings:
+                                obj = new PlayerSettings(objectReader);
+                                break;
+                            case ClassIDType.RectTransform:
+                                obj = new RectTransform(objectReader);
+                                break;
+                            case ClassIDType.Shader:
+                                if (!Shader.Parsable) continue;
+                                obj = new Shader(objectReader);
+                                break;
+                            case ClassIDType.SkinnedMeshRenderer:
+                                if (!Renderer.Parsable) continue;
+                                obj = new SkinnedMeshRenderer(objectReader);
+                                break;
+                            case ClassIDType.Sprite:
+                                obj = new Sprite(objectReader);
+                                break;
+                            case ClassIDType.SpriteAtlas:
+                                obj = new SpriteAtlas(objectReader);
+                                break;
+                            case ClassIDType.TextAsset:
+                                obj = new TextAsset(objectReader);
+                                break;
+                            case ClassIDType.Texture2D:
+                                obj = new Texture2D(objectReader);
+                                break;
+                            case ClassIDType.Transform:
+                                obj = new Transform(objectReader);
+                                break;
+                            case ClassIDType.VideoClip:
+                                obj = new VideoClip(objectReader);
+                                break;
+                            case ClassIDType.ResourceManager:
+                                obj = new ResourceManager(objectReader);
+                                break;
+                            default:
+                                obj = new Object(objectReader);
+                                break;
+                        }
+                        assetsFile.AddObject(obj);
+                    }
+                    catch (Exception e)
+                    {
+                        var sb = new StringBuilder();
+                        sb.AppendLine("Unable to load object")
+                            .AppendLine($"Assets {assetsFile.fileName}")
+                            .AppendLine($"Path {assetsFile.originalPath}")
+                            .AppendLine($"Type {objectReader.type}")
+                            .AppendLine($"PathID {objectInfo.m_PathID}")
+                            .Append(e);
+                        Logger.Error(sb.ToString());
+                    }
+
+                    Progress.Report(++i, progressCount);
+                }
+            }
+        }
+
+        private void ProcessAssets()
+        {
+            Logger.Info("Process Assets...");
+
+            foreach (var assetsFile in assetsFileList)
+            {
+                foreach (var obj in assetsFile.Objects)
+                {
+                    if (obj is GameObject m_GameObject)
+                    {
+                        foreach (var pptr in m_GameObject.m_Components)
+                        {
+                            if (pptr.TryGet(out var m_Component))
+                            {
+                                switch (m_Component)
+                                {
+                                    case Transform m_Transform:
+                                        m_GameObject.m_Transform = m_Transform;
+                                        break;
+                                    case MeshRenderer m_MeshRenderer:
+                                        m_GameObject.m_MeshRenderer = m_MeshRenderer;
+                                        break;
+                                    case MeshFilter m_MeshFilter:
+                                        m_GameObject.m_MeshFilter = m_MeshFilter;
+                                        break;
+                                    case SkinnedMeshRenderer m_SkinnedMeshRenderer:
+                                        m_GameObject.m_SkinnedMeshRenderer = m_SkinnedMeshRenderer;
+                                        break;
+                                    case Animator m_Animator:
+                                        m_GameObject.m_Animator = m_Animator;
+                                        break;
+                                    case Animation m_Animation:
+                                        m_GameObject.m_Animation = m_Animation;
+                                        break;
+                                }
+                            }
+                        }
+                    }
+                    else if (obj is SpriteAtlas m_SpriteAtlas)
+                    {   
+                        if (m_SpriteAtlas.m_RenderDataMap.Count > 0)
+                        {
+                            foreach (var m_PackedSprite in m_SpriteAtlas.m_PackedSprites)
+                            {
+                                if (m_PackedSprite.TryGet(out var m_Sprite))
+                                {
+                                    if (m_Sprite.m_SpriteAtlas.IsNull)
+                                    {
+                                        m_Sprite.m_SpriteAtlas.Set(m_SpriteAtlas);
+                                    }
+                                    else
+                                    {
+                                        m_Sprite.m_SpriteAtlas.TryGet(out var m_SpriteAtlaOld);
+                                        if (m_SpriteAtlaOld.m_IsVariant)
+                                        {
+                                            m_Sprite.m_SpriteAtlas.Set(m_SpriteAtlas);
+                                        }
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

AssetStudio/BigArrayPool.cs

@@ -0,0 +1,10 @@
+using System.Buffers;
+
+namespace AssetStudio
+{
+    public static class BigArrayPool<T>
+    {
+        private static readonly ArrayPool<T> s_shared = ArrayPool<T>.Create(64 * 1024 * 1024, 3);
+        public static ArrayPool<T> Shared => s_shared;
+    }
+}

AssetStudio/Brotli/BitReader.cs

@@ -0,0 +1,271 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Bit reading helpers.</summary>
+	internal sealed class BitReader
+	{
+		/// <summary>
+		/// Input byte buffer, consist of a ring-buffer and a "slack" region where bytes from the start of
+		/// the ring-buffer are copied.
+		/// </summary>
+		private const int Capacity = 1024;
+
+		private const int Slack = 16;
+
+		private const int IntBufferSize = Capacity + Slack;
+
+		private const int ByteReadSize = Capacity << 2;
+
+		private const int ByteBufferSize = IntBufferSize << 2;
+
+		private readonly byte[] byteBuffer = new byte[ByteBufferSize];
+
+		private readonly int[] intBuffer = new int[IntBufferSize];
+
+		private readonly Org.Brotli.Dec.IntReader intReader = new Org.Brotli.Dec.IntReader();
+
+		private System.IO.Stream input;
+
+		/// <summary>Input stream is finished.</summary>
+		private bool endOfStreamReached;
+
+		/// <summary>Pre-fetched bits.</summary>
+		internal long accumulator;
+
+		/// <summary>Current bit-reading position in accumulator.</summary>
+		internal int bitOffset;
+
+		/// <summary>Offset of next item in intBuffer.</summary>
+		private int intOffset;
+
+		private int tailBytes = 0;
+
+		/* Number of bytes in unfinished "int" item. */
+		/// <summary>Fills up the input buffer.</summary>
+		/// <remarks>
+		/// Fills up the input buffer.
+		/// <p> No-op if there are at least 36 bytes present after current position.
+		/// <p> After encountering the end of the input stream, 64 additional zero bytes are copied to the
+		/// buffer.
+		/// </remarks>
+		internal static void ReadMoreInput(Org.Brotli.Dec.BitReader br)
+		{
+			// TODO: Split to check and read; move read outside of decoding loop.
+			if (br.intOffset <= Capacity - 9)
+			{
+				return;
+			}
+			if (br.endOfStreamReached)
+			{
+				if (IntAvailable(br) >= -2)
+				{
+					return;
+				}
+				throw new Org.Brotli.Dec.BrotliRuntimeException("No more input");
+			}
+			int readOffset = br.intOffset << 2;
+			int bytesRead = ByteReadSize - readOffset;
+			System.Array.Copy(br.byteBuffer, readOffset, br.byteBuffer, 0, bytesRead);
+			br.intOffset = 0;
+			try
+			{
+				while (bytesRead < ByteReadSize)
+				{
+					int len = br.input.Read(br.byteBuffer, bytesRead, ByteReadSize - bytesRead);
+					// EOF is -1 in Java, but 0 in C#.
+					if (len <= 0)
+					{
+						br.endOfStreamReached = true;
+						br.tailBytes = bytesRead;
+						bytesRead += 3;
+						break;
+					}
+					bytesRead += len;
+				}
+			}
+			catch (System.IO.IOException e)
+			{
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Failed to read input", e);
+			}
+			Org.Brotli.Dec.IntReader.Convert(br.intReader, bytesRead >> 2);
+		}
+
+		internal static void CheckHealth(Org.Brotli.Dec.BitReader br, bool endOfStream)
+		{
+			if (!br.endOfStreamReached)
+			{
+				return;
+			}
+			int byteOffset = (br.intOffset << 2) + ((br.bitOffset + 7) >> 3) - 8;
+			if (byteOffset > br.tailBytes)
+			{
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Read after end");
+			}
+			if (endOfStream && (byteOffset != br.tailBytes))
+			{
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Unused bytes after end");
+			}
+		}
+
+		/// <summary>Advances the Read buffer by 5 bytes to make room for reading next 24 bits.</summary>
+		internal static void FillBitWindow(Org.Brotli.Dec.BitReader br)
+		{
+			if (br.bitOffset >= 32)
+			{
+				br.accumulator = ((long)br.intBuffer[br.intOffset++] << 32) | ((long)(((ulong)br.accumulator) >> 32));
+				br.bitOffset -= 32;
+			}
+		}
+
+		/// <summary>Reads the specified number of bits from Read Buffer.</summary>
+		internal static int ReadBits(Org.Brotli.Dec.BitReader br, int n)
+		{
+			FillBitWindow(br);
+			int val = (int)((long)(((ulong)br.accumulator) >> br.bitOffset)) & ((1 << n) - 1);
+			br.bitOffset += n;
+			return val;
+		}
+
+		/// <summary>Initialize bit reader.</summary>
+		/// <remarks>
+		/// Initialize bit reader.
+		/// <p> Initialisation turns bit reader to a ready state. Also a number of bytes is prefetched to
+		/// accumulator. Because of that this method may block until enough data could be read from input.
+		/// </remarks>
+		/// <param name="br">BitReader POJO</param>
+		/// <param name="input">data source</param>
+		internal static void Init(Org.Brotli.Dec.BitReader br, System.IO.Stream input)
+		{
+			if (br.input != null)
+			{
+				throw new System.InvalidOperationException("Bit reader already has associated input stream");
+			}
+			Org.Brotli.Dec.IntReader.Init(br.intReader, br.byteBuffer, br.intBuffer);
+			br.input = input;
+			br.accumulator = 0;
+			br.bitOffset = 64;
+			br.intOffset = Capacity;
+			br.endOfStreamReached = false;
+			Prepare(br);
+		}
+
+		private static void Prepare(Org.Brotli.Dec.BitReader br)
+		{
+			ReadMoreInput(br);
+			CheckHealth(br, false);
+			FillBitWindow(br);
+			FillBitWindow(br);
+		}
+
+		internal static void Reload(Org.Brotli.Dec.BitReader br)
+		{
+			if (br.bitOffset == 64)
+			{
+				Prepare(br);
+			}
+		}
+
+		/// <exception cref="System.IO.IOException"/>
+		internal static void Close(Org.Brotli.Dec.BitReader br)
+		{
+			System.IO.Stream @is = br.input;
+			br.input = null;
+			if (@is != null)
+			{
+				@is.Close();
+			}
+		}
+
+		internal static void JumpToByteBoundary(Org.Brotli.Dec.BitReader br)
+		{
+			int padding = (64 - br.bitOffset) & 7;
+			if (padding != 0)
+			{
+				int paddingBits = Org.Brotli.Dec.BitReader.ReadBits(br, padding);
+				if (paddingBits != 0)
+				{
+					throw new Org.Brotli.Dec.BrotliRuntimeException("Corrupted padding bits");
+				}
+			}
+		}
+
+		internal static int IntAvailable(Org.Brotli.Dec.BitReader br)
+		{
+			int limit = Capacity;
+			if (br.endOfStreamReached)
+			{
+				limit = (br.tailBytes + 3) >> 2;
+			}
+			return limit - br.intOffset;
+		}
+
+		internal static void CopyBytes(Org.Brotli.Dec.BitReader br, byte[] data, int offset, int length)
+		{
+			if ((br.bitOffset & 7) != 0)
+			{
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Unaligned copyBytes");
+			}
+			// Drain accumulator.
+			while ((br.bitOffset != 64) && (length != 0))
+			{
+				data[offset++] = unchecked((byte)((long)(((ulong)br.accumulator) >> br.bitOffset)));
+				br.bitOffset += 8;
+				length--;
+			}
+			if (length == 0)
+			{
+				return;
+			}
+			// Get data from shadow buffer with "sizeof(int)" granularity.
+			int copyInts = System.Math.Min(IntAvailable(br), length >> 2);
+			if (copyInts > 0)
+			{
+				int readOffset = br.intOffset << 2;
+				System.Array.Copy(br.byteBuffer, readOffset, data, offset, copyInts << 2);
+				offset += copyInts << 2;
+				length -= copyInts << 2;
+				br.intOffset += copyInts;
+			}
+			if (length == 0)
+			{
+				return;
+			}
+			// Read tail bytes.
+			if (IntAvailable(br) > 0)
+			{
+				// length = 1..3
+				FillBitWindow(br);
+				while (length != 0)
+				{
+					data[offset++] = unchecked((byte)((long)(((ulong)br.accumulator) >> br.bitOffset)));
+					br.bitOffset += 8;
+					length--;
+				}
+				CheckHealth(br, false);
+				return;
+			}
+			// Now it is possible to copy bytes directly.
+			try
+			{
+				while (length > 0)
+				{
+					int len = br.input.Read(data, offset, length);
+					if (len == -1)
+					{
+						throw new Org.Brotli.Dec.BrotliRuntimeException("Unexpected end of input");
+					}
+					offset += len;
+					length -= len;
+				}
+			}
+			catch (System.IO.IOException e)
+			{
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Failed to read input", e);
+			}
+		}
+	}
+}

AssetStudio/Brotli/BrotliInputStream.cs

@@ -0,0 +1,223 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>
+	/// <see cref="System.IO.Stream"/>
+	/// decorator that decompresses brotli data.
+	/// <p> Not thread-safe.
+	/// </summary>
+	public class BrotliInputStream : System.IO.Stream
+	{
+		public const int DefaultInternalBufferSize = 16384;
+
+		/// <summary>Internal buffer used for efficient byte-by-byte reading.</summary>
+		private byte[] buffer;
+
+		/// <summary>Number of decoded but still unused bytes in internal buffer.</summary>
+		private int remainingBufferBytes;
+
+		/// <summary>Next unused byte offset.</summary>
+		private int bufferOffset;
+
+		/// <summary>Decoder state.</summary>
+		private readonly Org.Brotli.Dec.State state = new Org.Brotli.Dec.State();
+
+		/// <summary>
+		/// Creates a
+		/// <see cref="System.IO.Stream"/>
+		/// wrapper that decompresses brotli data.
+		/// <p> For byte-by-byte reading (
+		/// <see cref="ReadByte()"/>
+		/// ) internal buffer with
+		/// <see cref="DefaultInternalBufferSize"/>
+		/// size is allocated and used.
+		/// <p> Will block the thread until first kilobyte of data of source is available.
+		/// </summary>
+		/// <param name="source">underlying data source</param>
+		/// <exception cref="System.IO.IOException">in case of corrupted data or source stream problems</exception>
+		public BrotliInputStream(System.IO.Stream source)
+			: this(source, DefaultInternalBufferSize, null)
+		{
+		}
+
+		/// <summary>
+		/// Creates a
+		/// <see cref="System.IO.Stream"/>
+		/// wrapper that decompresses brotli data.
+		/// <p> For byte-by-byte reading (
+		/// <see cref="ReadByte()"/>
+		/// ) internal buffer of specified size is
+		/// allocated and used.
+		/// <p> Will block the thread until first kilobyte of data of source is available.
+		/// </summary>
+		/// <param name="source">compressed data source</param>
+		/// <param name="byteReadBufferSize">
+		/// size of internal buffer used in case of
+		/// byte-by-byte reading
+		/// </param>
+		/// <exception cref="System.IO.IOException">in case of corrupted data or source stream problems</exception>
+		public BrotliInputStream(System.IO.Stream source, int byteReadBufferSize)
+			: this(source, byteReadBufferSize, null)
+		{
+		}
+
+		/// <summary>
+		/// Creates a
+		/// <see cref="System.IO.Stream"/>
+		/// wrapper that decompresses brotli data.
+		/// <p> For byte-by-byte reading (
+		/// <see cref="ReadByte()"/>
+		/// ) internal buffer of specified size is
+		/// allocated and used.
+		/// <p> Will block the thread until first kilobyte of data of source is available.
+		/// </summary>
+		/// <param name="source">compressed data source</param>
+		/// <param name="byteReadBufferSize">
+		/// size of internal buffer used in case of
+		/// byte-by-byte reading
+		/// </param>
+		/// <param name="customDictionary">
+		/// custom dictionary data;
+		/// <see langword="null"/>
+		/// if not used
+		/// </param>
+		/// <exception cref="System.IO.IOException">in case of corrupted data or source stream problems</exception>
+		public BrotliInputStream(System.IO.Stream source, int byteReadBufferSize, byte[] customDictionary)
+		{
+			if (byteReadBufferSize <= 0)
+			{
+				throw new System.ArgumentException("Bad buffer size:" + byteReadBufferSize);
+			}
+			else if (source == null)
+			{
+				throw new System.ArgumentException("source is null");
+			}
+			this.buffer = new byte[byteReadBufferSize];
+			this.remainingBufferBytes = 0;
+			this.bufferOffset = 0;
+			try
+			{
+				Org.Brotli.Dec.State.SetInput(state, source);
+			}
+			catch (Org.Brotli.Dec.BrotliRuntimeException ex)
+			{
+				throw new System.IO.IOException("Brotli decoder initialization failed", ex);
+			}
+			if (customDictionary != null)
+			{
+				Org.Brotli.Dec.Decode.SetCustomDictionary(state, customDictionary);
+			}
+		}
+
+		/// <summary><inheritDoc/></summary>
+		/// <exception cref="System.IO.IOException"/>
+		public override void Close()
+		{
+			Org.Brotli.Dec.State.Close(state);
+		}
+
+		/// <summary><inheritDoc/></summary>
+		/// <exception cref="System.IO.IOException"/>
+		public override int ReadByte()
+		{
+			if (bufferOffset >= remainingBufferBytes)
+			{
+				remainingBufferBytes = Read(buffer, 0, buffer.Length);
+				bufferOffset = 0;
+				if (remainingBufferBytes == -1)
+				{
+					return -1;
+				}
+			}
+			return buffer[bufferOffset++] & unchecked((int)(0xFF));
+		}
+
+		/// <summary><inheritDoc/></summary>
+		/// <exception cref="System.IO.IOException"/>
+		public override int Read(byte[] destBuffer, int destOffset, int destLen)
+		{
+			if (destOffset < 0)
+			{
+				throw new System.ArgumentException("Bad offset: " + destOffset);
+			}
+			else if (destLen < 0)
+			{
+				throw new System.ArgumentException("Bad length: " + destLen);
+			}
+			else if (destOffset + destLen > destBuffer.Length)
+			{
+				throw new System.ArgumentException("Buffer overflow: " + (destOffset + destLen) + " > " + destBuffer.Length);
+			}
+			else if (destLen == 0)
+			{
+				return 0;
+			}
+			int copyLen = System.Math.Max(remainingBufferBytes - bufferOffset, 0);
+			if (copyLen != 0)
+			{
+				copyLen = System.Math.Min(copyLen, destLen);
+				System.Array.Copy(buffer, bufferOffset, destBuffer, destOffset, copyLen);
+				bufferOffset += copyLen;
+				destOffset += copyLen;
+				destLen -= copyLen;
+				if (destLen == 0)
+				{
+					return copyLen;
+				}
+			}
+			try
+			{
+				state.output = destBuffer;
+				state.outputOffset = destOffset;
+				state.outputLength = destLen;
+				state.outputUsed = 0;
+				Org.Brotli.Dec.Decode.Decompress(state);
+				if (state.outputUsed == 0)
+				{
+					return 0;
+				}
+				return state.outputUsed + copyLen;
+			}
+			catch (Org.Brotli.Dec.BrotliRuntimeException ex)
+			{
+				throw new System.IO.IOException("Brotli stream decoding failed", ex);
+			}
+		}
+		// <{[INJECTED CODE]}>
+		public override bool CanRead {
+			get {return true;}
+		}
+
+		public override bool CanSeek {
+			get {return false;}
+		}
+		public override long Length {
+			get {throw new System.NotSupportedException();}
+		}
+		public override long Position {
+			get {throw new System.NotSupportedException();}
+			set {throw new System.NotSupportedException();}
+		}
+		public override long Seek(long offset, System.IO.SeekOrigin origin) {
+			throw new System.NotSupportedException();
+		}
+		public override void SetLength(long value){
+			throw new System.NotSupportedException();
+		}
+
+		public override bool CanWrite{get{return false;}}
+		public override System.IAsyncResult BeginWrite(byte[] buffer, int offset,
+				int count, System.AsyncCallback callback, object state) {
+			throw new System.NotSupportedException();
+		}
+		public override void Write(byte[] buffer, int offset, int count) {
+			throw new System.NotSupportedException();
+		}
+
+		public override void Flush() {}
+	}
+}

AssetStudio/Brotli/BrotliRuntimeException.cs

@@ -0,0 +1,22 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Unchecked exception used internally.</summary>
+	[System.Serializable]
+	internal class BrotliRuntimeException : System.Exception
+	{
+		internal BrotliRuntimeException(string message)
+			: base(message)
+		{
+		}
+
+		internal BrotliRuntimeException(string message, System.Exception cause)
+			: base(message, cause)
+		{
+		}
+	}
+}

AssetStudio/Brotli/Context.cs

@@ -0,0 +1,57 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Common context lookup table for all context modes.</summary>
+	internal sealed class Context
+	{
+		internal static readonly int[] Lookup = new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 0, 4, 4, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, 12, 16, 12, 12, 20, 12, 16, 24, 28, 12, 12, 32, 12, 36, 12, 44, 44, 44, 44, 44, 44, 44, 44
+			, 44, 44, 32, 32, 24, 40, 28, 12, 12, 48, 52, 52, 52, 48, 52, 52, 52, 48, 52, 52, 52, 52, 52, 48, 52, 52, 52, 52, 52, 48, 52, 52, 52, 52, 52, 24, 12, 28, 12, 12, 12, 56, 60, 60, 60, 56, 60, 60, 60, 56, 60, 60, 60, 60, 60, 56, 60, 60, 60, 60
+			, 60, 56, 60, 60, 60, 60, 60, 24, 12, 28, 12, 0, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 
+			2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 2, 3, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 
+			1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 
+			0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 
+			3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 
+			4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 
+			6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 0, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 
+			16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 16, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 
+			24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 
+			32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 32, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 
+			40, 40, 40, 40, 40, 40, 40, 40, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 56, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38
+			, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 
+			37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35
+			, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 
+			34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8, 9, 9, 9, 9, 
+			10, 10, 10, 10, 11, 11, 11, 11, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18, 19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 23, 23, 23, 23, 24, 24, 24, 24, 
+			25, 25, 25, 25, 26, 26, 26, 26, 27, 27, 27, 27, 28, 28, 28, 28, 29, 29, 29, 29, 30, 30, 30, 30, 31, 31, 31, 31, 32, 32, 32, 32, 33, 33, 33, 33, 34, 34, 34, 34, 35, 35, 35, 35, 36, 36, 36, 36, 37, 37, 37, 37, 38, 38, 38, 38, 39, 39, 39, 39, 
+			40, 40, 40, 40, 41, 41, 41, 41, 42, 42, 42, 42, 43, 43, 43, 43, 44, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 46, 47, 47, 47, 47, 48, 48, 48, 48, 49, 49, 49, 49, 50, 50, 50, 50, 51, 51, 51, 51, 52, 52, 52, 52, 53, 53, 53, 53, 54, 54, 54, 54, 
+			55, 55, 55, 55, 56, 56, 56, 56, 57, 57, 57, 57, 58, 58, 58, 58, 59, 59, 59, 59, 60, 60, 60, 60, 61, 61, 61, 61, 62, 62, 62, 62, 63, 63, 63, 63, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 
+			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+
+		internal static readonly int[] LookupOffsets = new int[] { 1024, 1536, 1280, 1536, 0, 256, 768, 512 };
+		// CONTEXT_UTF8, last byte.
+		// ASCII range.
+		// UTF8 continuation byte range.
+		// UTF8 lead byte range.
+		// CONTEXT_UTF8 second last byte.
+		// ASCII range.
+		// UTF8 continuation byte range.
+		// UTF8 lead byte range.
+		// CONTEXT_SIGNED, second last byte.
+		// CONTEXT_SIGNED, last byte, same as the above values shifted by 3 bits.
+		// CONTEXT_LSB6, last byte.
+		// CONTEXT_MSB6, last byte.
+		// CONTEXT_{M,L}SB6, second last byte,
+		// CONTEXT_LSB6
+		// CONTEXT_MSB6
+		// CONTEXT_UTF8
+		// CONTEXT_SIGNED
+	}
+}

AssetStudio/Brotli/Decode.cs

@@ -0,0 +1,992 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>API for Brotli decompression.</summary>
+	internal sealed class Decode
+	{
+		private const int DefaultCodeLength = 8;
+
+		private const int CodeLengthRepeatCode = 16;
+
+		private const int NumLiteralCodes = 256;
+
+		private const int NumInsertAndCopyCodes = 704;
+
+		private const int NumBlockLengthCodes = 26;
+
+		private const int LiteralContextBits = 6;
+
+		private const int DistanceContextBits = 2;
+
+		private const int HuffmanTableBits = 8;
+
+		private const int HuffmanTableMask = unchecked((int)(0xFF));
+
+		private const int CodeLengthCodes = 18;
+
+		private static readonly int[] CodeLengthCodeOrder = new int[] { 1, 2, 3, 4, 0, 5, 17, 6, 16, 7, 8, 9, 10, 11, 12, 13, 14, 15 };
+
+		private const int NumDistanceShortCodes = 16;
+
+		private static readonly int[] DistanceShortCodeIndexOffset = new int[] { 3, 2, 1, 0, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2 };
+
+		private static readonly int[] DistanceShortCodeValueOffset = new int[] { 0, 0, 0, 0, -1, 1, -2, 2, -3, 3, -1, 1, -2, 2, -3, 3 };
+
+		/// <summary>Static Huffman code for the code length code lengths.</summary>
+		private static readonly int[] FixedTable = new int[] { unchecked((int)(0x020000)), unchecked((int)(0x020004)), unchecked((int)(0x020003)), unchecked((int)(0x030002)), unchecked((int)(0x020000)), unchecked((int)(0x020004)), unchecked((int)(0x020003
+			)), unchecked((int)(0x040001)), unchecked((int)(0x020000)), unchecked((int)(0x020004)), unchecked((int)(0x020003)), unchecked((int)(0x030002)), unchecked((int)(0x020000)), unchecked((int)(0x020004)), unchecked((int)(0x020003)), unchecked((int
+			)(0x040005)) };
+
+		/// <summary>Decodes a number in the range [0..255], by reading 1 - 11 bits.</summary>
+		private static int DecodeVarLenUnsignedByte(Org.Brotli.Dec.BitReader br)
+		{
+			if (Org.Brotli.Dec.BitReader.ReadBits(br, 1) != 0)
+			{
+				int n = Org.Brotli.Dec.BitReader.ReadBits(br, 3);
+				if (n == 0)
+				{
+					return 1;
+				}
+				else
+				{
+					return Org.Brotli.Dec.BitReader.ReadBits(br, n) + (1 << n);
+				}
+			}
+			return 0;
+		}
+
+		private static void DecodeMetaBlockLength(Org.Brotli.Dec.BitReader br, Org.Brotli.Dec.State state)
+		{
+			state.inputEnd = Org.Brotli.Dec.BitReader.ReadBits(br, 1) == 1;
+			state.metaBlockLength = 0;
+			state.isUncompressed = false;
+			state.isMetadata = false;
+			if (state.inputEnd && Org.Brotli.Dec.BitReader.ReadBits(br, 1) != 0)
+			{
+				return;
+			}
+			int sizeNibbles = Org.Brotli.Dec.BitReader.ReadBits(br, 2) + 4;
+			if (sizeNibbles == 7)
+			{
+				state.isMetadata = true;
+				if (Org.Brotli.Dec.BitReader.ReadBits(br, 1) != 0)
+				{
+					throw new Org.Brotli.Dec.BrotliRuntimeException("Corrupted reserved bit");
+				}
+				int sizeBytes = Org.Brotli.Dec.BitReader.ReadBits(br, 2);
+				if (sizeBytes == 0)
+				{
+					return;
+				}
+				for (int i = 0; i < sizeBytes; i++)
+				{
+					int bits = Org.Brotli.Dec.BitReader.ReadBits(br, 8);
+					if (bits == 0 && i + 1 == sizeBytes && sizeBytes > 1)
+					{
+						throw new Org.Brotli.Dec.BrotliRuntimeException("Exuberant nibble");
+					}
+					state.metaBlockLength |= bits << (i * 8);
+				}
+			}
+			else
+			{
+				for (int i = 0; i < sizeNibbles; i++)
+				{
+					int bits = Org.Brotli.Dec.BitReader.ReadBits(br, 4);
+					if (bits == 0 && i + 1 == sizeNibbles && sizeNibbles > 4)
+					{
+						throw new Org.Brotli.Dec.BrotliRuntimeException("Exuberant nibble");
+					}
+					state.metaBlockLength |= bits << (i * 4);
+				}
+			}
+			state.metaBlockLength++;
+			if (!state.inputEnd)
+			{
+				state.isUncompressed = Org.Brotli.Dec.BitReader.ReadBits(br, 1) == 1;
+			}
+		}
+
+		/// <summary>Decodes the next Huffman code from bit-stream.</summary>
+		private static int ReadSymbol(int[] table, int offset, Org.Brotli.Dec.BitReader br)
+		{
+			int val = (int)((long)(((ulong)br.accumulator) >> br.bitOffset));
+			offset += val & HuffmanTableMask;
+			int bits = table[offset] >> 16;
+			int sym = table[offset] & unchecked((int)(0xFFFF));
+			if (bits <= HuffmanTableBits)
+			{
+				br.bitOffset += bits;
+				return sym;
+			}
+			offset += sym;
+			int mask = (1 << bits) - 1;
+			offset += (int)(((uint)(val & mask)) >> HuffmanTableBits);
+			br.bitOffset += ((table[offset] >> 16) + HuffmanTableBits);
+			return table[offset] & unchecked((int)(0xFFFF));
+		}
+
+		private static int ReadBlockLength(int[] table, int offset, Org.Brotli.Dec.BitReader br)
+		{
+			Org.Brotli.Dec.BitReader.FillBitWindow(br);
+			int code = ReadSymbol(table, offset, br);
+			int n = Org.Brotli.Dec.Prefix.BlockLengthNBits[code];
+			return Org.Brotli.Dec.Prefix.BlockLengthOffset[code] + Org.Brotli.Dec.BitReader.ReadBits(br, n);
+		}
+
+		private static int TranslateShortCodes(int code, int[] ringBuffer, int index)
+		{
+			if (code < NumDistanceShortCodes)
+			{
+				index += DistanceShortCodeIndexOffset[code];
+				index &= 3;
+				return ringBuffer[index] + DistanceShortCodeValueOffset[code];
+			}
+			return code - NumDistanceShortCodes + 1;
+		}
+
+		private static void MoveToFront(int[] v, int index)
+		{
+			int value = v[index];
+			for (; index > 0; index--)
+			{
+				v[index] = v[index - 1];
+			}
+			v[0] = value;
+		}
+
+		private static void InverseMoveToFrontTransform(byte[] v, int vLen)
+		{
+			int[] mtf = new int[256];
+			for (int i = 0; i < 256; i++)
+			{
+				mtf[i] = i;
+			}
+			for (int i = 0; i < vLen; i++)
+			{
+				int index = v[i] & unchecked((int)(0xFF));
+				v[i] = unchecked((byte)mtf[index]);
+				if (index != 0)
+				{
+					MoveToFront(mtf, index);
+				}
+			}
+		}
+
+		private static void ReadHuffmanCodeLengths(int[] codeLengthCodeLengths, int numSymbols, int[] codeLengths, Org.Brotli.Dec.BitReader br)
+		{
+			int symbol = 0;
+			int prevCodeLen = DefaultCodeLength;
+			int repeat = 0;
+			int repeatCodeLen = 0;
+			int space = 32768;
+			int[] table = new int[32];
+			Org.Brotli.Dec.Huffman.BuildHuffmanTable(table, 0, 5, codeLengthCodeLengths, CodeLengthCodes);
+			while (symbol < numSymbols && space > 0)
+			{
+				Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+				Org.Brotli.Dec.BitReader.FillBitWindow(br);
+				int p = (int)(((long)(((ulong)br.accumulator) >> br.bitOffset))) & 31;
+				br.bitOffset += table[p] >> 16;
+				int codeLen = table[p] & unchecked((int)(0xFFFF));
+				if (codeLen < CodeLengthRepeatCode)
+				{
+					repeat = 0;
+					codeLengths[symbol++] = codeLen;
+					if (codeLen != 0)
+					{
+						prevCodeLen = codeLen;
+						space -= 32768 >> codeLen;
+					}
+				}
+				else
+				{
+					int extraBits = codeLen - 14;
+					int newLen = 0;
+					if (codeLen == CodeLengthRepeatCode)
+					{
+						newLen = prevCodeLen;
+					}
+					if (repeatCodeLen != newLen)
+					{
+						repeat = 0;
+						repeatCodeLen = newLen;
+					}
+					int oldRepeat = repeat;
+					if (repeat > 0)
+					{
+						repeat -= 2;
+						repeat <<= extraBits;
+					}
+					repeat += Org.Brotli.Dec.BitReader.ReadBits(br, extraBits) + 3;
+					int repeatDelta = repeat - oldRepeat;
+					if (symbol + repeatDelta > numSymbols)
+					{
+						throw new Org.Brotli.Dec.BrotliRuntimeException("symbol + repeatDelta > numSymbols");
+					}
+					// COV_NF_LINE
+					for (int i = 0; i < repeatDelta; i++)
+					{
+						codeLengths[symbol++] = repeatCodeLen;
+					}
+					if (repeatCodeLen != 0)
+					{
+						space -= repeatDelta << (15 - repeatCodeLen);
+					}
+				}
+			}
+			if (space != 0)
+			{
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Unused space");
+			}
+			// COV_NF_LINE
+			// TODO: Pass max_symbol to Huffman table builder instead?
+			Org.Brotli.Dec.Utils.FillWithZeroes(codeLengths, symbol, numSymbols - symbol);
+		}
+
+		// TODO: Use specialized versions for smaller tables.
+		internal static void ReadHuffmanCode(int alphabetSize, int[] table, int offset, Org.Brotli.Dec.BitReader br)
+		{
+			bool ok = true;
+			int simpleCodeOrSkip;
+			Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+			// TODO: Avoid allocation.
+			int[] codeLengths = new int[alphabetSize];
+			simpleCodeOrSkip = Org.Brotli.Dec.BitReader.ReadBits(br, 2);
+			if (simpleCodeOrSkip == 1)
+			{
+				// Read symbols, codes & code lengths directly.
+				int maxBitsCounter = alphabetSize - 1;
+				int maxBits = 0;
+				int[] symbols = new int[4];
+				int numSymbols = Org.Brotli.Dec.BitReader.ReadBits(br, 2) + 1;
+				while (maxBitsCounter != 0)
+				{
+					maxBitsCounter >>= 1;
+					maxBits++;
+				}
+				// TODO: uncomment when codeLengths is reused.
+				// Utils.fillWithZeroes(codeLengths, 0, alphabetSize);
+				for (int i = 0; i < numSymbols; i++)
+				{
+					symbols[i] = Org.Brotli.Dec.BitReader.ReadBits(br, maxBits) % alphabetSize;
+					codeLengths[symbols[i]] = 2;
+				}
+				codeLengths[symbols[0]] = 1;
+				switch (numSymbols)
+				{
+					case 1:
+					{
+						break;
+					}
+
+					case 2:
+					{
+						ok = symbols[0] != symbols[1];
+						codeLengths[symbols[1]] = 1;
+						break;
+					}
+
+					case 3:
+					{
+						ok = symbols[0] != symbols[1] && symbols[0] != symbols[2] && symbols[1] != symbols[2];
+						break;
+					}
+
+					case 4:
+					default:
+					{
+						ok = symbols[0] != symbols[1] && symbols[0] != symbols[2] && symbols[0] != symbols[3] && symbols[1] != symbols[2] && symbols[1] != symbols[3] && symbols[2] != symbols[3];
+						if (Org.Brotli.Dec.BitReader.ReadBits(br, 1) == 1)
+						{
+							codeLengths[symbols[2]] = 3;
+							codeLengths[symbols[3]] = 3;
+						}
+						else
+						{
+							codeLengths[symbols[0]] = 2;
+						}
+						break;
+					}
+				}
+			}
+			else
+			{
+				// Decode Huffman-coded code lengths.
+				int[] codeLengthCodeLengths = new int[CodeLengthCodes];
+				int space = 32;
+				int numCodes = 0;
+				for (int i = simpleCodeOrSkip; i < CodeLengthCodes && space > 0; i++)
+				{
+					int codeLenIdx = CodeLengthCodeOrder[i];
+					Org.Brotli.Dec.BitReader.FillBitWindow(br);
+					int p = (int)((long)(((ulong)br.accumulator) >> br.bitOffset)) & 15;
+					// TODO: Demultiplex FIXED_TABLE.
+					br.bitOffset += FixedTable[p] >> 16;
+					int v = FixedTable[p] & unchecked((int)(0xFFFF));
+					codeLengthCodeLengths[codeLenIdx] = v;
+					if (v != 0)
+					{
+						space -= (32 >> v);
+						numCodes++;
+					}
+				}
+				ok = (numCodes == 1 || space == 0);
+				ReadHuffmanCodeLengths(codeLengthCodeLengths, alphabetSize, codeLengths, br);
+			}
+			if (!ok)
+			{
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Can't readHuffmanCode");
+			}
+			// COV_NF_LINE
+			Org.Brotli.Dec.Huffman.BuildHuffmanTable(table, offset, HuffmanTableBits, codeLengths, alphabetSize);
+		}
+
+		private static int DecodeContextMap(int contextMapSize, byte[] contextMap, Org.Brotli.Dec.BitReader br)
+		{
+			Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+			int numTrees = DecodeVarLenUnsignedByte(br) + 1;
+			if (numTrees == 1)
+			{
+				Org.Brotli.Dec.Utils.FillWithZeroes(contextMap, 0, contextMapSize);
+				return numTrees;
+			}
+			bool useRleForZeros = Org.Brotli.Dec.BitReader.ReadBits(br, 1) == 1;
+			int maxRunLengthPrefix = 0;
+			if (useRleForZeros)
+			{
+				maxRunLengthPrefix = Org.Brotli.Dec.BitReader.ReadBits(br, 4) + 1;
+			}
+			int[] table = new int[Org.Brotli.Dec.Huffman.HuffmanMaxTableSize];
+			ReadHuffmanCode(numTrees + maxRunLengthPrefix, table, 0, br);
+			for (int i = 0; i < contextMapSize; )
+			{
+				Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+				Org.Brotli.Dec.BitReader.FillBitWindow(br);
+				int code = ReadSymbol(table, 0, br);
+				if (code == 0)
+				{
+					contextMap[i] = 0;
+					i++;
+				}
+				else if (code <= maxRunLengthPrefix)
+				{
+					int reps = (1 << code) + Org.Brotli.Dec.BitReader.ReadBits(br, code);
+					while (reps != 0)
+					{
+						if (i >= contextMapSize)
+						{
+							throw new Org.Brotli.Dec.BrotliRuntimeException("Corrupted context map");
+						}
+						// COV_NF_LINE
+						contextMap[i] = 0;
+						i++;
+						reps--;
+					}
+				}
+				else
+				{
+					contextMap[i] = unchecked((byte)(code - maxRunLengthPrefix));
+					i++;
+				}
+			}
+			if (Org.Brotli.Dec.BitReader.ReadBits(br, 1) == 1)
+			{
+				InverseMoveToFrontTransform(contextMap, contextMapSize);
+			}
+			return numTrees;
+		}
+
+		private static void DecodeBlockTypeAndLength(Org.Brotli.Dec.State state, int treeType)
+		{
+			Org.Brotli.Dec.BitReader br = state.br;
+			int[] ringBuffers = state.blockTypeRb;
+			int offset = treeType * 2;
+			Org.Brotli.Dec.BitReader.FillBitWindow(br);
+			int blockType = ReadSymbol(state.blockTypeTrees, treeType * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize, br);
+			state.blockLength[treeType] = ReadBlockLength(state.blockLenTrees, treeType * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize, br);
+			if (blockType == 1)
+			{
+				blockType = ringBuffers[offset + 1] + 1;
+			}
+			else if (blockType == 0)
+			{
+				blockType = ringBuffers[offset];
+			}
+			else
+			{
+				blockType -= 2;
+			}
+			if (blockType >= state.numBlockTypes[treeType])
+			{
+				blockType -= state.numBlockTypes[treeType];
+			}
+			ringBuffers[offset] = ringBuffers[offset + 1];
+			ringBuffers[offset + 1] = blockType;
+		}
+
+		private static void DecodeLiteralBlockSwitch(Org.Brotli.Dec.State state)
+		{
+			DecodeBlockTypeAndLength(state, 0);
+			int literalBlockType = state.blockTypeRb[1];
+			state.contextMapSlice = literalBlockType << LiteralContextBits;
+			state.literalTreeIndex = state.contextMap[state.contextMapSlice] & unchecked((int)(0xFF));
+			state.literalTree = state.hGroup0.trees[state.literalTreeIndex];
+			int contextMode = state.contextModes[literalBlockType];
+			state.contextLookupOffset1 = Org.Brotli.Dec.Context.LookupOffsets[contextMode];
+			state.contextLookupOffset2 = Org.Brotli.Dec.Context.LookupOffsets[contextMode + 1];
+		}
+
+		private static void DecodeCommandBlockSwitch(Org.Brotli.Dec.State state)
+		{
+			DecodeBlockTypeAndLength(state, 1);
+			state.treeCommandOffset = state.hGroup1.trees[state.blockTypeRb[3]];
+		}
+
+		private static void DecodeDistanceBlockSwitch(Org.Brotli.Dec.State state)
+		{
+			DecodeBlockTypeAndLength(state, 2);
+			state.distContextMapSlice = state.blockTypeRb[5] << DistanceContextBits;
+		}
+
+		private static void MaybeReallocateRingBuffer(Org.Brotli.Dec.State state)
+		{
+			int newSize = state.maxRingBufferSize;
+			if ((long)newSize > state.expectedTotalSize)
+			{
+				/* TODO: Handle 2GB+ cases more gracefully. */
+				int minimalNewSize = (int)state.expectedTotalSize + state.customDictionary.Length;
+				while ((newSize >> 1) > minimalNewSize)
+				{
+					newSize >>= 1;
+				}
+				if (!state.inputEnd && newSize < 16384 && state.maxRingBufferSize >= 16384)
+				{
+					newSize = 16384;
+				}
+			}
+			if (newSize <= state.ringBufferSize)
+			{
+				return;
+			}
+			int ringBufferSizeWithSlack = newSize + Org.Brotli.Dec.Dictionary.MaxTransformedWordLength;
+			byte[] newBuffer = new byte[ringBufferSizeWithSlack];
+			if (state.ringBuffer != null)
+			{
+				System.Array.Copy(state.ringBuffer, 0, newBuffer, 0, state.ringBufferSize);
+			}
+			else if (state.customDictionary.Length != 0)
+			{
+				/* Prepend custom dictionary, if any. */
+				int length = state.customDictionary.Length;
+				int offset = 0;
+				if (length > state.maxBackwardDistance)
+				{
+					offset = length - state.maxBackwardDistance;
+					length = state.maxBackwardDistance;
+				}
+				System.Array.Copy(state.customDictionary, offset, newBuffer, 0, length);
+				state.pos = length;
+				state.bytesToIgnore = length;
+			}
+			state.ringBuffer = newBuffer;
+			state.ringBufferSize = newSize;
+		}
+
+		/// <summary>Reads next metablock header.</summary>
+		/// <param name="state">decoding state</param>
+		private static void ReadMetablockInfo(Org.Brotli.Dec.State state)
+		{
+			Org.Brotli.Dec.BitReader br = state.br;
+			if (state.inputEnd)
+			{
+				state.nextRunningState = Org.Brotli.Dec.RunningState.Finished;
+				state.bytesToWrite = state.pos;
+				state.bytesWritten = 0;
+				state.runningState = Org.Brotli.Dec.RunningState.Write;
+				return;
+			}
+			// TODO: Reset? Do we need this?
+			state.hGroup0.codes = null;
+			state.hGroup0.trees = null;
+			state.hGroup1.codes = null;
+			state.hGroup1.trees = null;
+			state.hGroup2.codes = null;
+			state.hGroup2.trees = null;
+			Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+			DecodeMetaBlockLength(br, state);
+			if (state.metaBlockLength == 0 && !state.isMetadata)
+			{
+				return;
+			}
+			if (state.isUncompressed || state.isMetadata)
+			{
+				Org.Brotli.Dec.BitReader.JumpToByteBoundary(br);
+				state.runningState = state.isMetadata ? Org.Brotli.Dec.RunningState.ReadMetadata : Org.Brotli.Dec.RunningState.CopyUncompressed;
+			}
+			else
+			{
+				state.runningState = Org.Brotli.Dec.RunningState.CompressedBlockStart;
+			}
+			if (state.isMetadata)
+			{
+				return;
+			}
+			state.expectedTotalSize += state.metaBlockLength;
+			if (state.ringBufferSize < state.maxRingBufferSize)
+			{
+				MaybeReallocateRingBuffer(state);
+			}
+		}
+
+		private static void ReadMetablockHuffmanCodesAndContextMaps(Org.Brotli.Dec.State state)
+		{
+			Org.Brotli.Dec.BitReader br = state.br;
+			for (int i = 0; i < 3; i++)
+			{
+				state.numBlockTypes[i] = DecodeVarLenUnsignedByte(br) + 1;
+				state.blockLength[i] = 1 << 28;
+				if (state.numBlockTypes[i] > 1)
+				{
+					ReadHuffmanCode(state.numBlockTypes[i] + 2, state.blockTypeTrees, i * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize, br);
+					ReadHuffmanCode(NumBlockLengthCodes, state.blockLenTrees, i * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize, br);
+					state.blockLength[i] = ReadBlockLength(state.blockLenTrees, i * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize, br);
+				}
+			}
+			Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+			state.distancePostfixBits = Org.Brotli.Dec.BitReader.ReadBits(br, 2);
+			state.numDirectDistanceCodes = NumDistanceShortCodes + (Org.Brotli.Dec.BitReader.ReadBits(br, 4) << state.distancePostfixBits);
+			state.distancePostfixMask = (1 << state.distancePostfixBits) - 1;
+			int numDistanceCodes = state.numDirectDistanceCodes + (48 << state.distancePostfixBits);
+			// TODO: Reuse?
+			state.contextModes = new byte[state.numBlockTypes[0]];
+			for (int i = 0; i < state.numBlockTypes[0]; )
+			{
+				/* Ensure that less than 256 bits read between readMoreInput. */
+				int limit = System.Math.Min(i + 96, state.numBlockTypes[0]);
+				for (; i < limit; ++i)
+				{
+					state.contextModes[i] = unchecked((byte)(Org.Brotli.Dec.BitReader.ReadBits(br, 2) << 1));
+				}
+				Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+			}
+			// TODO: Reuse?
+			state.contextMap = new byte[state.numBlockTypes[0] << LiteralContextBits];
+			int numLiteralTrees = DecodeContextMap(state.numBlockTypes[0] << LiteralContextBits, state.contextMap, br);
+			state.trivialLiteralContext = true;
+			for (int j = 0; j < state.numBlockTypes[0] << LiteralContextBits; j++)
+			{
+				if (state.contextMap[j] != j >> LiteralContextBits)
+				{
+					state.trivialLiteralContext = false;
+					break;
+				}
+			}
+			// TODO: Reuse?
+			state.distContextMap = new byte[state.numBlockTypes[2] << DistanceContextBits];
+			int numDistTrees = DecodeContextMap(state.numBlockTypes[2] << DistanceContextBits, state.distContextMap, br);
+			Org.Brotli.Dec.HuffmanTreeGroup.Init(state.hGroup0, NumLiteralCodes, numLiteralTrees);
+			Org.Brotli.Dec.HuffmanTreeGroup.Init(state.hGroup1, NumInsertAndCopyCodes, state.numBlockTypes[1]);
+			Org.Brotli.Dec.HuffmanTreeGroup.Init(state.hGroup2, numDistanceCodes, numDistTrees);
+			Org.Brotli.Dec.HuffmanTreeGroup.Decode(state.hGroup0, br);
+			Org.Brotli.Dec.HuffmanTreeGroup.Decode(state.hGroup1, br);
+			Org.Brotli.Dec.HuffmanTreeGroup.Decode(state.hGroup2, br);
+			state.contextMapSlice = 0;
+			state.distContextMapSlice = 0;
+			state.contextLookupOffset1 = Org.Brotli.Dec.Context.LookupOffsets[state.contextModes[0]];
+			state.contextLookupOffset2 = Org.Brotli.Dec.Context.LookupOffsets[state.contextModes[0] + 1];
+			state.literalTreeIndex = 0;
+			state.literalTree = state.hGroup0.trees[0];
+			state.treeCommandOffset = state.hGroup1.trees[0];
+			// TODO: == 0?
+			state.blockTypeRb[0] = state.blockTypeRb[2] = state.blockTypeRb[4] = 1;
+			state.blockTypeRb[1] = state.blockTypeRb[3] = state.blockTypeRb[5] = 0;
+		}
+
+		private static void CopyUncompressedData(Org.Brotli.Dec.State state)
+		{
+			Org.Brotli.Dec.BitReader br = state.br;
+			byte[] ringBuffer = state.ringBuffer;
+			// Could happen if block ends at ring buffer end.
+			if (state.metaBlockLength <= 0)
+			{
+				Org.Brotli.Dec.BitReader.Reload(br);
+				state.runningState = Org.Brotli.Dec.RunningState.BlockStart;
+				return;
+			}
+			int chunkLength = System.Math.Min(state.ringBufferSize - state.pos, state.metaBlockLength);
+			Org.Brotli.Dec.BitReader.CopyBytes(br, ringBuffer, state.pos, chunkLength);
+			state.metaBlockLength -= chunkLength;
+			state.pos += chunkLength;
+			if (state.pos == state.ringBufferSize)
+			{
+				state.nextRunningState = Org.Brotli.Dec.RunningState.CopyUncompressed;
+				state.bytesToWrite = state.ringBufferSize;
+				state.bytesWritten = 0;
+				state.runningState = Org.Brotli.Dec.RunningState.Write;
+				return;
+			}
+			Org.Brotli.Dec.BitReader.Reload(br);
+			state.runningState = Org.Brotli.Dec.RunningState.BlockStart;
+		}
+
+		private static bool WriteRingBuffer(Org.Brotli.Dec.State state)
+		{
+			/* Ignore custom dictionary bytes. */
+			if (state.bytesToIgnore != 0)
+			{
+				state.bytesWritten += state.bytesToIgnore;
+				state.bytesToIgnore = 0;
+			}
+			int toWrite = System.Math.Min(state.outputLength - state.outputUsed, state.bytesToWrite - state.bytesWritten);
+			if (toWrite != 0)
+			{
+				System.Array.Copy(state.ringBuffer, state.bytesWritten, state.output, state.outputOffset + state.outputUsed, toWrite);
+				state.outputUsed += toWrite;
+				state.bytesWritten += toWrite;
+			}
+			return state.outputUsed < state.outputLength;
+		}
+
+		internal static void SetCustomDictionary(Org.Brotli.Dec.State state, byte[] data)
+		{
+			state.customDictionary = (data == null) ? new byte[0] : data;
+		}
+
+		/// <summary>Actual decompress implementation.</summary>
+		internal static void Decompress(Org.Brotli.Dec.State state)
+		{
+			if (state.runningState == Org.Brotli.Dec.RunningState.Uninitialized)
+			{
+				throw new System.InvalidOperationException("Can't decompress until initialized");
+			}
+			if (state.runningState == Org.Brotli.Dec.RunningState.Closed)
+			{
+				throw new System.InvalidOperationException("Can't decompress after close");
+			}
+			Org.Brotli.Dec.BitReader br = state.br;
+			int ringBufferMask = state.ringBufferSize - 1;
+			byte[] ringBuffer = state.ringBuffer;
+			while (state.runningState != Org.Brotli.Dec.RunningState.Finished)
+			{
+				switch (state.runningState)
+				{
+					case Org.Brotli.Dec.RunningState.BlockStart:
+					{
+						// TODO: extract cases to methods for the better readability.
+						if (state.metaBlockLength < 0)
+						{
+							throw new Org.Brotli.Dec.BrotliRuntimeException("Invalid metablock length");
+						}
+						ReadMetablockInfo(state);
+						/* Ring-buffer would be reallocated here. */
+						ringBufferMask = state.ringBufferSize - 1;
+						ringBuffer = state.ringBuffer;
+						continue;
+					}
+
+					case Org.Brotli.Dec.RunningState.CompressedBlockStart:
+					{
+						ReadMetablockHuffmanCodesAndContextMaps(state);
+						state.runningState = Org.Brotli.Dec.RunningState.MainLoop;
+						goto case Org.Brotli.Dec.RunningState.MainLoop;
+					}
+
+					case Org.Brotli.Dec.RunningState.MainLoop:
+					{
+						// Fall through
+						if (state.metaBlockLength <= 0)
+						{
+							state.runningState = Org.Brotli.Dec.RunningState.BlockStart;
+							continue;
+						}
+						Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+						if (state.blockLength[1] == 0)
+						{
+							DecodeCommandBlockSwitch(state);
+						}
+						state.blockLength[1]--;
+						Org.Brotli.Dec.BitReader.FillBitWindow(br);
+						int cmdCode = ReadSymbol(state.hGroup1.codes, state.treeCommandOffset, br);
+						int rangeIdx = (int)(((uint)cmdCode) >> 6);
+						state.distanceCode = 0;
+						if (rangeIdx >= 2)
+						{
+							rangeIdx -= 2;
+							state.distanceCode = -1;
+						}
+						int insertCode = Org.Brotli.Dec.Prefix.InsertRangeLut[rangeIdx] + (((int)(((uint)cmdCode) >> 3)) & 7);
+						int copyCode = Org.Brotli.Dec.Prefix.CopyRangeLut[rangeIdx] + (cmdCode & 7);
+						state.insertLength = Org.Brotli.Dec.Prefix.InsertLengthOffset[insertCode] + Org.Brotli.Dec.BitReader.ReadBits(br, Org.Brotli.Dec.Prefix.InsertLengthNBits[insertCode]);
+						state.copyLength = Org.Brotli.Dec.Prefix.CopyLengthOffset[copyCode] + Org.Brotli.Dec.BitReader.ReadBits(br, Org.Brotli.Dec.Prefix.CopyLengthNBits[copyCode]);
+						state.j = 0;
+						state.runningState = Org.Brotli.Dec.RunningState.InsertLoop;
+						goto case Org.Brotli.Dec.RunningState.InsertLoop;
+					}
+
+					case Org.Brotli.Dec.RunningState.InsertLoop:
+					{
+						// Fall through
+						if (state.trivialLiteralContext)
+						{
+							while (state.j < state.insertLength)
+							{
+								Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+								if (state.blockLength[0] == 0)
+								{
+									DecodeLiteralBlockSwitch(state);
+								}
+								state.blockLength[0]--;
+								Org.Brotli.Dec.BitReader.FillBitWindow(br);
+								ringBuffer[state.pos] = unchecked((byte)ReadSymbol(state.hGroup0.codes, state.literalTree, br));
+								state.j++;
+								if (state.pos++ == ringBufferMask)
+								{
+									state.nextRunningState = Org.Brotli.Dec.RunningState.InsertLoop;
+									state.bytesToWrite = state.ringBufferSize;
+									state.bytesWritten = 0;
+									state.runningState = Org.Brotli.Dec.RunningState.Write;
+									break;
+								}
+							}
+						}
+						else
+						{
+							int prevByte1 = ringBuffer[(state.pos - 1) & ringBufferMask] & unchecked((int)(0xFF));
+							int prevByte2 = ringBuffer[(state.pos - 2) & ringBufferMask] & unchecked((int)(0xFF));
+							while (state.j < state.insertLength)
+							{
+								Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+								if (state.blockLength[0] == 0)
+								{
+									DecodeLiteralBlockSwitch(state);
+								}
+								int literalTreeIndex = state.contextMap[state.contextMapSlice + (Org.Brotli.Dec.Context.Lookup[state.contextLookupOffset1 + prevByte1] | Org.Brotli.Dec.Context.Lookup[state.contextLookupOffset2 + prevByte2])] & unchecked((int)(0xFF));
+								state.blockLength[0]--;
+								prevByte2 = prevByte1;
+								Org.Brotli.Dec.BitReader.FillBitWindow(br);
+								prevByte1 = ReadSymbol(state.hGroup0.codes, state.hGroup0.trees[literalTreeIndex], br);
+								ringBuffer[state.pos] = unchecked((byte)prevByte1);
+								state.j++;
+								if (state.pos++ == ringBufferMask)
+								{
+									state.nextRunningState = Org.Brotli.Dec.RunningState.InsertLoop;
+									state.bytesToWrite = state.ringBufferSize;
+									state.bytesWritten = 0;
+									state.runningState = Org.Brotli.Dec.RunningState.Write;
+									break;
+								}
+							}
+						}
+						if (state.runningState != Org.Brotli.Dec.RunningState.InsertLoop)
+						{
+							continue;
+						}
+						state.metaBlockLength -= state.insertLength;
+						if (state.metaBlockLength <= 0)
+						{
+							state.runningState = Org.Brotli.Dec.RunningState.MainLoop;
+							continue;
+						}
+						if (state.distanceCode < 0)
+						{
+							Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+							if (state.blockLength[2] == 0)
+							{
+								DecodeDistanceBlockSwitch(state);
+							}
+							state.blockLength[2]--;
+							Org.Brotli.Dec.BitReader.FillBitWindow(br);
+							state.distanceCode = ReadSymbol(state.hGroup2.codes, state.hGroup2.trees[state.distContextMap[state.distContextMapSlice + (state.copyLength > 4 ? 3 : state.copyLength - 2)] & unchecked((int)(0xFF))], br);
+							if (state.distanceCode >= state.numDirectDistanceCodes)
+							{
+								state.distanceCode -= state.numDirectDistanceCodes;
+								int postfix = state.distanceCode & state.distancePostfixMask;
+								state.distanceCode = (int)(((uint)state.distanceCode) >> state.distancePostfixBits);
+								int n = ((int)(((uint)state.distanceCode) >> 1)) + 1;
+								int offset = ((2 + (state.distanceCode & 1)) << n) - 4;
+								state.distanceCode = state.numDirectDistanceCodes + postfix + ((offset + Org.Brotli.Dec.BitReader.ReadBits(br, n)) << state.distancePostfixBits);
+							}
+						}
+						// Convert the distance code to the actual distance by possibly looking up past distances
+						// from the ringBuffer.
+						state.distance = TranslateShortCodes(state.distanceCode, state.distRb, state.distRbIdx);
+						if (state.distance < 0)
+						{
+							throw new Org.Brotli.Dec.BrotliRuntimeException("Negative distance");
+						}
+						// COV_NF_LINE
+						if (state.maxDistance != state.maxBackwardDistance && state.pos < state.maxBackwardDistance)
+						{
+							state.maxDistance = state.pos;
+						}
+						else
+						{
+							state.maxDistance = state.maxBackwardDistance;
+						}
+						state.copyDst = state.pos;
+						if (state.distance > state.maxDistance)
+						{
+							state.runningState = Org.Brotli.Dec.RunningState.Transform;
+							continue;
+						}
+						if (state.distanceCode > 0)
+						{
+							state.distRb[state.distRbIdx & 3] = state.distance;
+							state.distRbIdx++;
+						}
+						if (state.copyLength > state.metaBlockLength)
+						{
+							throw new Org.Brotli.Dec.BrotliRuntimeException("Invalid backward reference");
+						}
+						// COV_NF_LINE
+						state.j = 0;
+						state.runningState = Org.Brotli.Dec.RunningState.CopyLoop;
+						goto case Org.Brotli.Dec.RunningState.CopyLoop;
+					}
+
+					case Org.Brotli.Dec.RunningState.CopyLoop:
+					{
+						// fall through
+						int src = (state.pos - state.distance) & ringBufferMask;
+						int dst = state.pos;
+						int copyLength = state.copyLength - state.j;
+						if ((src + copyLength < ringBufferMask) && (dst + copyLength < ringBufferMask))
+						{
+							for (int k = 0; k < copyLength; ++k)
+							{
+								ringBuffer[dst++] = ringBuffer[src++];
+							}
+							state.j += copyLength;
+							state.metaBlockLength -= copyLength;
+							state.pos += copyLength;
+						}
+						else
+						{
+							for (; state.j < state.copyLength; )
+							{
+								ringBuffer[state.pos] = ringBuffer[(state.pos - state.distance) & ringBufferMask];
+								state.metaBlockLength--;
+								state.j++;
+								if (state.pos++ == ringBufferMask)
+								{
+									state.nextRunningState = Org.Brotli.Dec.RunningState.CopyLoop;
+									state.bytesToWrite = state.ringBufferSize;
+									state.bytesWritten = 0;
+									state.runningState = Org.Brotli.Dec.RunningState.Write;
+									break;
+								}
+							}
+						}
+						if (state.runningState == Org.Brotli.Dec.RunningState.CopyLoop)
+						{
+							state.runningState = Org.Brotli.Dec.RunningState.MainLoop;
+						}
+						continue;
+					}
+
+					case Org.Brotli.Dec.RunningState.Transform:
+					{
+						if (state.copyLength >= Org.Brotli.Dec.Dictionary.MinWordLength && state.copyLength <= Org.Brotli.Dec.Dictionary.MaxWordLength)
+						{
+							int offset = Org.Brotli.Dec.Dictionary.OffsetsByLength[state.copyLength];
+							int wordId = state.distance - state.maxDistance - 1;
+							int shift = Org.Brotli.Dec.Dictionary.SizeBitsByLength[state.copyLength];
+							int mask = (1 << shift) - 1;
+							int wordIdx = wordId & mask;
+							int transformIdx = (int)(((uint)wordId) >> shift);
+							offset += wordIdx * state.copyLength;
+							if (transformIdx < Org.Brotli.Dec.Transform.Transforms.Length)
+							{
+								int len = Org.Brotli.Dec.Transform.TransformDictionaryWord(ringBuffer, state.copyDst, Org.Brotli.Dec.Dictionary.GetData(), offset, state.copyLength, Org.Brotli.Dec.Transform.Transforms[transformIdx]);
+								state.copyDst += len;
+								state.pos += len;
+								state.metaBlockLength -= len;
+								if (state.copyDst >= state.ringBufferSize)
+								{
+									state.nextRunningState = Org.Brotli.Dec.RunningState.CopyWrapBuffer;
+									state.bytesToWrite = state.ringBufferSize;
+									state.bytesWritten = 0;
+									state.runningState = Org.Brotli.Dec.RunningState.Write;
+									continue;
+								}
+							}
+							else
+							{
+								throw new Org.Brotli.Dec.BrotliRuntimeException("Invalid backward reference");
+							}
+						}
+						else
+						{
+							// COV_NF_LINE
+							throw new Org.Brotli.Dec.BrotliRuntimeException("Invalid backward reference");
+						}
+						// COV_NF_LINE
+						state.runningState = Org.Brotli.Dec.RunningState.MainLoop;
+						continue;
+					}
+
+					case Org.Brotli.Dec.RunningState.CopyWrapBuffer:
+					{
+						System.Array.Copy(ringBuffer, state.ringBufferSize, ringBuffer, 0, state.copyDst - state.ringBufferSize);
+						state.runningState = Org.Brotli.Dec.RunningState.MainLoop;
+						continue;
+					}
+
+					case Org.Brotli.Dec.RunningState.ReadMetadata:
+					{
+						while (state.metaBlockLength > 0)
+						{
+							Org.Brotli.Dec.BitReader.ReadMoreInput(br);
+							// Optimize
+							Org.Brotli.Dec.BitReader.ReadBits(br, 8);
+							state.metaBlockLength--;
+						}
+						state.runningState = Org.Brotli.Dec.RunningState.BlockStart;
+						continue;
+					}
+
+					case Org.Brotli.Dec.RunningState.CopyUncompressed:
+					{
+						CopyUncompressedData(state);
+						continue;
+					}
+
+					case Org.Brotli.Dec.RunningState.Write:
+					{
+						if (!WriteRingBuffer(state))
+						{
+							// Output buffer is full.
+							return;
+						}
+						if (state.pos >= state.maxBackwardDistance)
+						{
+							state.maxDistance = state.maxBackwardDistance;
+						}
+						state.pos &= ringBufferMask;
+						state.runningState = state.nextRunningState;
+						continue;
+					}
+
+					default:
+					{
+						throw new Org.Brotli.Dec.BrotliRuntimeException("Unexpected state " + state.runningState);
+					}
+				}
+			}
+			if (state.runningState == Org.Brotli.Dec.RunningState.Finished)
+			{
+				if (state.metaBlockLength < 0)
+				{
+					throw new Org.Brotli.Dec.BrotliRuntimeException("Invalid metablock length");
+				}
+				Org.Brotli.Dec.BitReader.JumpToByteBoundary(br);
+				Org.Brotli.Dec.BitReader.CheckHealth(state.br, true);
+			}
+		}
+	}
+}

AssetStudio/Brotli/Huffman.cs

@@ -0,0 +1,149 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Utilities for building Huffman decoding tables.</summary>
+	internal sealed class Huffman
+	{
+		/// <summary>
+		/// Maximum possible Huffman table size for an alphabet size of 704, max code length 15 and root
+		/// table bits 8.
+		/// </summary>
+		internal const int HuffmanMaxTableSize = 1080;
+
+		private const int MaxLength = 15;
+
+		/// <summary>Returns reverse(reverse(key, len) + 1, len).</summary>
+		/// <remarks>
+		/// Returns reverse(reverse(key, len) + 1, len).
+		/// <p> reverse(key, len) is the bit-wise reversal of the len least significant bits of key.
+		/// </remarks>
+		private static int GetNextKey(int key, int len)
+		{
+			int step = 1 << (len - 1);
+			while ((key & step) != 0)
+			{
+				step >>= 1;
+			}
+			return (key & (step - 1)) + step;
+		}
+
+		/// <summary>
+		/// Stores
+		/// <paramref name="item"/>
+		/// in
+		/// <c>table[0], table[step], table[2 * step] .., table[end]</c>
+		/// .
+		/// <p> Assumes that end is an integer multiple of step.
+		/// </summary>
+		private static void ReplicateValue(int[] table, int offset, int step, int end, int item)
+		{
+			do
+			{
+				end -= step;
+				table[offset + end] = item;
+			}
+			while (end > 0);
+		}
+
+		/// <param name="count">histogram of bit lengths for the remaining symbols,</param>
+		/// <param name="len">code length of the next processed symbol.</param>
+		/// <returns>table width of the next 2nd level table.</returns>
+		private static int NextTableBitSize(int[] count, int len, int rootBits)
+		{
+			int left = 1 << (len - rootBits);
+			while (len < MaxLength)
+			{
+				left -= count[len];
+				if (left <= 0)
+				{
+					break;
+				}
+				len++;
+				left <<= 1;
+			}
+			return len - rootBits;
+		}
+
+		/// <summary>Builds Huffman lookup table assuming code lengths are in symbol order.</summary>
+		internal static void BuildHuffmanTable(int[] rootTable, int tableOffset, int rootBits, int[] codeLengths, int codeLengthsSize)
+		{
+			int key;
+			// Reversed prefix code.
+			int[] sorted = new int[codeLengthsSize];
+			// Symbols sorted by code length.
+			// TODO: fill with zeroes?
+			int[] count = new int[MaxLength + 1];
+			// Number of codes of each length.
+			int[] offset = new int[MaxLength + 1];
+			// Offsets in sorted table for each length.
+			int symbol;
+			// Build histogram of code lengths.
+			for (symbol = 0; symbol < codeLengthsSize; symbol++)
+			{
+				count[codeLengths[symbol]]++;
+			}
+			// Generate offsets into sorted symbol table by code length.
+			offset[1] = 0;
+			for (int len = 1; len < MaxLength; len++)
+			{
+				offset[len + 1] = offset[len] + count[len];
+			}
+			// Sort symbols by length, by symbol order within each length.
+			for (symbol = 0; symbol < codeLengthsSize; symbol++)
+			{
+				if (codeLengths[symbol] != 0)
+				{
+					sorted[offset[codeLengths[symbol]]++] = symbol;
+				}
+			}
+			int tableBits = rootBits;
+			int tableSize = 1 << tableBits;
+			int totalSize = tableSize;
+			// Special case code with only one value.
+			if (offset[MaxLength] == 1)
+			{
+				for (key = 0; key < totalSize; key++)
+				{
+					rootTable[tableOffset + key] = sorted[0];
+				}
+				return;
+			}
+			// Fill in root table.
+			key = 0;
+			symbol = 0;
+			for (int len = 1, step = 2; len <= rootBits; len++, step <<= 1)
+			{
+				for (; count[len] > 0; count[len]--)
+				{
+					ReplicateValue(rootTable, tableOffset + key, step, tableSize, len << 16 | sorted[symbol++]);
+					key = GetNextKey(key, len);
+				}
+			}
+			// Fill in 2nd level tables and add pointers to root table.
+			int mask = totalSize - 1;
+			int low = -1;
+			int currentOffset = tableOffset;
+			for (int len = rootBits + 1, step = 2; len <= MaxLength; len++, step <<= 1)
+			{
+				for (; count[len] > 0; count[len]--)
+				{
+					if ((key & mask) != low)
+					{
+						currentOffset += tableSize;
+						tableBits = NextTableBitSize(count, len, rootBits);
+						tableSize = 1 << tableBits;
+						totalSize += tableSize;
+						low = key & mask;
+						rootTable[tableOffset + low] = (tableBits + rootBits) << 16 | (currentOffset - tableOffset - low);
+					}
+					ReplicateValue(rootTable, currentOffset + (key >> rootBits), step, tableSize, (len - rootBits) << 16 | sorted[symbol++]);
+					key = GetNextKey(key, len);
+				}
+			}
+		}
+	}
+}

AssetStudio/Brotli/HuffmanTreeGroup.cs

@@ -0,0 +1,50 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Contains a collection of huffman trees with the same alphabet size.</summary>
+	internal sealed class HuffmanTreeGroup
+	{
+		/// <summary>The maximal alphabet size in this group.</summary>
+		private int alphabetSize;
+
+		/// <summary>Storage for Huffman lookup tables.</summary>
+		internal int[] codes;
+
+		/// <summary>
+		/// Offsets of distinct lookup tables in
+		/// <see cref="codes"/>
+		/// storage.
+		/// </summary>
+		internal int[] trees;
+
+		/// <summary>Initializes the Huffman tree group.</summary>
+		/// <param name="group">POJO to be initialised</param>
+		/// <param name="alphabetSize">the maximal alphabet size in this group</param>
+		/// <param name="n">number of Huffman codes</param>
+		internal static void Init(Org.Brotli.Dec.HuffmanTreeGroup group, int alphabetSize, int n)
+		{
+			group.alphabetSize = alphabetSize;
+			group.codes = new int[n * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize];
+			group.trees = new int[n];
+		}
+
+		/// <summary>Decodes Huffman trees from input stream and constructs lookup tables.</summary>
+		/// <param name="group">target POJO</param>
+		/// <param name="br">data source</param>
+		internal static void Decode(Org.Brotli.Dec.HuffmanTreeGroup group, Org.Brotli.Dec.BitReader br)
+		{
+			int next = 0;
+			int n = group.trees.Length;
+			for (int i = 0; i < n; i++)
+			{
+				group.trees[i] = next;
+				Org.Brotli.Dec.Decode.ReadHuffmanCode(group.alphabetSize, group.codes, next, br);
+				next += Org.Brotli.Dec.Huffman.HuffmanMaxTableSize;
+			}
+		}
+	}
+}

AssetStudio/Brotli/IntReader.cs

@@ -0,0 +1,36 @@
+/* Copyright 2017 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Byte-to-int conversion magic.</summary>
+	internal sealed class IntReader
+	{
+		private byte[] byteBuffer;
+
+		private int[] intBuffer;
+
+		internal static void Init(Org.Brotli.Dec.IntReader ir, byte[] byteBuffer, int[] intBuffer)
+		{
+			ir.byteBuffer = byteBuffer;
+			ir.intBuffer = intBuffer;
+		}
+
+		/// <summary>Translates bytes to ints.</summary>
+		/// <remarks>
+		/// Translates bytes to ints.
+		/// NB: intLen == 4 * byteSize!
+		/// NB: intLen should be less or equal to intBuffer length.
+		/// </remarks>
+		internal static void Convert(Org.Brotli.Dec.IntReader ir, int intLen)
+		{
+			for (int i = 0; i < intLen; ++i)
+			{
+				ir.intBuffer[i] = ((ir.byteBuffer[i * 4] & unchecked((int)(0xFF)))) | ((ir.byteBuffer[(i * 4) + 1] & unchecked((int)(0xFF))) << 8) | ((ir.byteBuffer[(i * 4) + 2] & unchecked((int)(0xFF))) << 16) | ((ir.byteBuffer[(i * 4) + 3] & unchecked((int
+					)(0xFF))) << 24);
+			}
+		}
+	}
+}

AssetStudio/Brotli/Prefix.cs

@@ -0,0 +1,33 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Lookup tables to map prefix codes to value ranges.</summary>
+	/// <remarks>
+	/// Lookup tables to map prefix codes to value ranges.
+	/// <p> This is used during decoding of the block lengths, literal insertion lengths and copy
+	/// lengths.
+	/// <p> Range represents values: [offset, offset + 2 ^ n_bits)
+	/// </remarks>
+	internal sealed class Prefix
+	{
+		internal static readonly int[] BlockLengthOffset = new int[] { 1, 5, 9, 13, 17, 25, 33, 41, 49, 65, 81, 97, 113, 145, 177, 209, 241, 305, 369, 497, 753, 1265, 2289, 4337, 8433, 16625 };
+
+		internal static readonly int[] BlockLengthNBits = new int[] { 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 7, 8, 9, 10, 11, 12, 13, 24 };
+
+		internal static readonly int[] InsertLengthOffset = new int[] { 0, 1, 2, 3, 4, 5, 6, 8, 10, 14, 18, 26, 34, 50, 66, 98, 130, 194, 322, 578, 1090, 2114, 6210, 22594 };
+
+		internal static readonly int[] InsertLengthNBits = new int[] { 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 10, 12, 14, 24 };
+
+		internal static readonly int[] CopyLengthOffset = new int[] { 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 18, 22, 30, 38, 54, 70, 102, 134, 198, 326, 582, 1094, 2118 };
+
+		internal static readonly int[] CopyLengthNBits = new int[] { 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 4, 5, 5, 6, 7, 8, 9, 10, 24 };
+
+		internal static readonly int[] InsertRangeLut = new int[] { 0, 0, 8, 8, 0, 16, 8, 16, 16 };
+
+		internal static readonly int[] CopyRangeLut = new int[] { 0, 8, 0, 8, 16, 0, 16, 8, 16 };
+	}
+}

AssetStudio/Brotli/RunningState.cs

@@ -0,0 +1,37 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Enumeration of decoding state-machine.</summary>
+	internal sealed class RunningState
+	{
+		internal const int Uninitialized = 0;
+
+		internal const int BlockStart = 1;
+
+		internal const int CompressedBlockStart = 2;
+
+		internal const int MainLoop = 3;
+
+		internal const int ReadMetadata = 4;
+
+		internal const int CopyUncompressed = 5;
+
+		internal const int InsertLoop = 6;
+
+		internal const int CopyLoop = 7;
+
+		internal const int CopyWrapBuffer = 8;
+
+		internal const int Transform = 9;
+
+		internal const int Finished = 10;
+
+		internal const int Closed = 11;
+
+		internal const int Write = 12;
+	}
+}

AssetStudio/Brotli/State.cs

@@ -0,0 +1,171 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	internal sealed class State
+	{
+		internal int runningState = Org.Brotli.Dec.RunningState.Uninitialized;
+
+		internal int nextRunningState;
+
+		internal readonly Org.Brotli.Dec.BitReader br = new Org.Brotli.Dec.BitReader();
+
+		internal byte[] ringBuffer;
+
+		internal readonly int[] blockTypeTrees = new int[3 * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize];
+
+		internal readonly int[] blockLenTrees = new int[3 * Org.Brotli.Dec.Huffman.HuffmanMaxTableSize];
+
+		internal int metaBlockLength;
+
+		internal bool inputEnd;
+
+		internal bool isUncompressed;
+
+		internal bool isMetadata;
+
+		internal readonly Org.Brotli.Dec.HuffmanTreeGroup hGroup0 = new Org.Brotli.Dec.HuffmanTreeGroup();
+
+		internal readonly Org.Brotli.Dec.HuffmanTreeGroup hGroup1 = new Org.Brotli.Dec.HuffmanTreeGroup();
+
+		internal readonly Org.Brotli.Dec.HuffmanTreeGroup hGroup2 = new Org.Brotli.Dec.HuffmanTreeGroup();
+
+		internal readonly int[] blockLength = new int[3];
+
+		internal readonly int[] numBlockTypes = new int[3];
+
+		internal readonly int[] blockTypeRb = new int[6];
+
+		internal readonly int[] distRb = new int[] { 16, 15, 11, 4 };
+
+		internal int pos = 0;
+
+		internal int maxDistance = 0;
+
+		internal int distRbIdx = 0;
+
+		internal bool trivialLiteralContext = false;
+
+		internal int literalTreeIndex = 0;
+
+		internal int literalTree;
+
+		internal int j;
+
+		internal int insertLength;
+
+		internal byte[] contextModes;
+
+		internal byte[] contextMap;
+
+		internal int contextMapSlice;
+
+		internal int distContextMapSlice;
+
+		internal int contextLookupOffset1;
+
+		internal int contextLookupOffset2;
+
+		internal int treeCommandOffset;
+
+		internal int distanceCode;
+
+		internal byte[] distContextMap;
+
+		internal int numDirectDistanceCodes;
+
+		internal int distancePostfixMask;
+
+		internal int distancePostfixBits;
+
+		internal int distance;
+
+		internal int copyLength;
+
+		internal int copyDst;
+
+		internal int maxBackwardDistance;
+
+		internal int maxRingBufferSize;
+
+		internal int ringBufferSize = 0;
+
+		internal long expectedTotalSize = 0;
+
+		internal byte[] customDictionary = new byte[0];
+
+		internal int bytesToIgnore = 0;
+
+		internal int outputOffset;
+
+		internal int outputLength;
+
+		internal int outputUsed;
+
+		internal int bytesWritten;
+
+		internal int bytesToWrite;
+
+		internal byte[] output;
+
+		// Current meta-block header information.
+		// TODO: Update to current spec.
+		private static int DecodeWindowBits(Org.Brotli.Dec.BitReader br)
+		{
+			if (Org.Brotli.Dec.BitReader.ReadBits(br, 1) == 0)
+			{
+				return 16;
+			}
+			int n = Org.Brotli.Dec.BitReader.ReadBits(br, 3);
+			if (n != 0)
+			{
+				return 17 + n;
+			}
+			n = Org.Brotli.Dec.BitReader.ReadBits(br, 3);
+			if (n != 0)
+			{
+				return 8 + n;
+			}
+			return 17;
+		}
+
+		/// <summary>Associate input with decoder state.</summary>
+		/// <param name="state">uninitialized state without associated input</param>
+		/// <param name="input">compressed data source</param>
+		internal static void SetInput(Org.Brotli.Dec.State state, System.IO.Stream input)
+		{
+			if (state.runningState != Org.Brotli.Dec.RunningState.Uninitialized)
+			{
+				throw new System.InvalidOperationException("State MUST be uninitialized");
+			}
+			Org.Brotli.Dec.BitReader.Init(state.br, input);
+			int windowBits = DecodeWindowBits(state.br);
+			if (windowBits == 9)
+			{
+				/* Reserved case for future expansion. */
+				throw new Org.Brotli.Dec.BrotliRuntimeException("Invalid 'windowBits' code");
+			}
+			state.maxRingBufferSize = 1 << windowBits;
+			state.maxBackwardDistance = state.maxRingBufferSize - 16;
+			state.runningState = Org.Brotli.Dec.RunningState.BlockStart;
+		}
+
+		/// <exception cref="System.IO.IOException"/>
+		internal static void Close(Org.Brotli.Dec.State state)
+		{
+			if (state.runningState == Org.Brotli.Dec.RunningState.Uninitialized)
+			{
+				throw new System.InvalidOperationException("State MUST be initialized");
+			}
+			if (state.runningState == Org.Brotli.Dec.RunningState.Closed)
+			{
+				return;
+			}
+			state.runningState = Org.Brotli.Dec.RunningState.Closed;
+			Org.Brotli.Dec.BitReader.Close(state.br);
+		}
+	}
+}

AssetStudio/Brotli/Transform.cs

@@ -0,0 +1,154 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Transformations on dictionary words.</summary>
+	internal sealed class Transform
+	{
+		private readonly byte[] prefix;
+
+		private readonly int type;
+
+		private readonly byte[] suffix;
+
+		internal Transform(string prefix, int type, string suffix)
+		{
+			this.prefix = ReadUniBytes(prefix);
+			this.type = type;
+			this.suffix = ReadUniBytes(suffix);
+		}
+
+		internal static byte[] ReadUniBytes(string uniBytes)
+		{
+			byte[] result = new byte[uniBytes.Length];
+			for (int i = 0; i < result.Length; ++i)
+			{
+				result[i] = unchecked((byte)uniBytes[i]);
+			}
+			return result;
+		}
+
+		internal static readonly Org.Brotli.Dec.Transform[] Transforms = new Org.Brotli.Dec.Transform[] { new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, 
+			Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst1, string.Empty), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " the "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity
+			, string.Empty), new Org.Brotli.Dec.Transform("s ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " of "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.UppercaseFirst, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " and "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst2, string.Empty), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast1, string.Empty), new Org.Brotli.Dec.Transform(", ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity
+			, ", "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " in "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.Identity, " to "), new Org.Brotli.Dec.Transform("e ", Org.Brotli.Dec.WordTransformType.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\""), new Org.Brotli.Dec.Transform(string.Empty, 
+			Org.Brotli.Dec.WordTransformType.Identity, "."), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\">"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\n"), new 
+			Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast3, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "]"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.Identity, " for "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst3, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast2, string.Empty), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " a "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " that "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst
+			, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, ". "), new Org.Brotli.Dec.Transform(".", Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
+			.Identity, ", "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst4, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " with "), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "'"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " from "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity
+			, " by "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst5, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst6, string.Empty), new Org.Brotli.Dec.Transform
+			(" the ", Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast4, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.Identity, ". The "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " on "), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " as "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " is "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast7
+			, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast1, "ing "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "\n\t"), new Org.Brotli.Dec.Transform(string.Empty
+			, Org.Brotli.Dec.WordTransformType.Identity, ":"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, ". "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "ed "), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst9, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitFirst7, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.OmitLast6, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, ", "), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast8, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " at "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.Identity, "ly "), new Org.Brotli.Dec.Transform(" the ", Org.Brotli.Dec.WordTransformType.Identity, " of "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast5, string.Empty), new Org.Brotli.Dec.Transform(
+			string.Empty, Org.Brotli.Dec.WordTransformType.OmitLast9, string.Empty), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, ", "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst
+			, "\""), new Org.Brotli.Dec.Transform(".", Org.Brotli.Dec.WordTransformType.Identity, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.UppercaseFirst, "\">"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "=\""), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "."), new Org.Brotli.Dec.Transform(".com/", 
+			Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(" the ", Org.Brotli.Dec.WordTransformType.Identity, " of the "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst
+			, "'"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, ". This "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, ","), new Org.Brotli.Dec.Transform(".", Org.Brotli.Dec.WordTransformType
+			.Identity, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "."), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, " not "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "=\""), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "er "
+			), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, " "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "al "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
+			.UppercaseAll, string.Empty), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "='"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "\""), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, ". "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, 
+			"ful "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, ". "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "ive "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.Identity, "less "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "'"), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "est "), new Org.Brotli.Dec.Transform
+			(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, "."), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "\">"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, "='"
+			), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, ","), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity, "ize "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType
+			.UppercaseAll, "."), new Org.Brotli.Dec.Transform("\u00c2\u00a0", Org.Brotli.Dec.WordTransformType.Identity, string.Empty), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.Identity, ","), new Org.Brotli.Dec.Transform(string.Empty
+			, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "=\""), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "=\""), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.Identity
+			, "ous "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, ", "), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseFirst, "='"), new Org.Brotli.Dec.Transform(" ", 
+			Org.Brotli.Dec.WordTransformType.UppercaseFirst, ","), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, "=\""), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, ", "), new Org.Brotli.Dec.Transform
+			(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, ","), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "("), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.
+			UppercaseAll, ". "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, "."), new Org.Brotli.Dec.Transform(string.Empty, Org.Brotli.Dec.WordTransformType.UppercaseAll, "='"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
+			.UppercaseAll, ". "), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseFirst, "=\""), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType.UppercaseAll, "='"), new Org.Brotli.Dec.Transform(" ", Org.Brotli.Dec.WordTransformType
+			.UppercaseFirst, "='") };
+
+		internal static int TransformDictionaryWord(byte[] dst, int dstOffset, byte[] word, int wordOffset, int len, Org.Brotli.Dec.Transform transform)
+		{
+			int offset = dstOffset;
+			// Copy prefix.
+			byte[] @string = transform.prefix;
+			int tmp = @string.Length;
+			int i = 0;
+			// In most cases tmp < 10 -> no benefits from System.arrayCopy
+			while (i < tmp)
+			{
+				dst[offset++] = @string[i++];
+			}
+			// Copy trimmed word.
+			int op = transform.type;
+			tmp = Org.Brotli.Dec.WordTransformType.GetOmitFirst(op);
+			if (tmp > len)
+			{
+				tmp = len;
+			}
+			wordOffset += tmp;
+			len -= tmp;
+			len -= Org.Brotli.Dec.WordTransformType.GetOmitLast(op);
+			i = len;
+			while (i > 0)
+			{
+				dst[offset++] = word[wordOffset++];
+				i--;
+			}
+			if (op == Org.Brotli.Dec.WordTransformType.UppercaseAll || op == Org.Brotli.Dec.WordTransformType.UppercaseFirst)
+			{
+				int uppercaseOffset = offset - len;
+				if (op == Org.Brotli.Dec.WordTransformType.UppercaseFirst)
+				{
+					len = 1;
+				}
+				while (len > 0)
+				{
+					tmp = dst[uppercaseOffset] & unchecked((int)(0xFF));
+					if (tmp < unchecked((int)(0xc0)))
+					{
+						if (tmp >= 'a' && tmp <= 'z')
+						{
+							dst[uppercaseOffset] ^= unchecked((byte)32);
+						}
+						uppercaseOffset += 1;
+						len -= 1;
+					}
+					else if (tmp < unchecked((int)(0xe0)))
+					{
+						dst[uppercaseOffset + 1] ^= unchecked((byte)32);
+						uppercaseOffset += 2;
+						len -= 2;
+					}
+					else
+					{
+						dst[uppercaseOffset + 2] ^= unchecked((byte)5);
+						uppercaseOffset += 3;
+						len -= 3;
+					}
+				}
+			}
+			// Copy suffix.
+			@string = transform.suffix;
+			tmp = @string.Length;
+			i = 0;
+			while (i < tmp)
+			{
+				dst[offset++] = @string[i++];
+			}
+			return offset - dstOffset;
+		}
+	}
+}

AssetStudio/Brotli/Utils.cs

@@ -0,0 +1,59 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>A set of utility methods.</summary>
+	internal sealed class Utils
+	{
+		private static readonly byte[] ByteZeroes = new byte[1024];
+
+		private static readonly int[] IntZeroes = new int[1024];
+
+		/// <summary>Fills byte array with zeroes.</summary>
+		/// <remarks>
+		/// Fills byte array with zeroes.
+		/// <p> Current implementation uses
+		/// <see cref="System.Array.Copy(object, int, object, int, int)"/>
+		/// , so it should be used for length not
+		/// less than 16.
+		/// </remarks>
+		/// <param name="dest">array to fill with zeroes</param>
+		/// <param name="offset">the first byte to fill</param>
+		/// <param name="length">number of bytes to change</param>
+		internal static void FillWithZeroes(byte[] dest, int offset, int length)
+		{
+			int cursor = 0;
+			while (cursor < length)
+			{
+				int step = System.Math.Min(cursor + 1024, length) - cursor;
+				System.Array.Copy(ByteZeroes, 0, dest, offset + cursor, step);
+				cursor += step;
+			}
+		}
+
+		/// <summary>Fills int array with zeroes.</summary>
+		/// <remarks>
+		/// Fills int array with zeroes.
+		/// <p> Current implementation uses
+		/// <see cref="System.Array.Copy(object, int, object, int, int)"/>
+		/// , so it should be used for length not
+		/// less than 16.
+		/// </remarks>
+		/// <param name="dest">array to fill with zeroes</param>
+		/// <param name="offset">the first item to fill</param>
+		/// <param name="length">number of item to change</param>
+		internal static void FillWithZeroes(int[] dest, int offset, int length)
+		{
+			int cursor = 0;
+			while (cursor < length)
+			{
+				int step = System.Math.Min(cursor + 1024, length) - cursor;
+				System.Array.Copy(IntZeroes, 0, dest, offset + cursor, step);
+				cursor += step;
+			}
+		}
+	}
+}

AssetStudio/Brotli/WordTransformType.cs

@@ -0,0 +1,68 @@
+/* Copyright 2015 Google Inc. All Rights Reserved.
+
+Distributed under MIT license.
+See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
+*/
+namespace Org.Brotli.Dec
+{
+	/// <summary>Enumeration of all possible word transformations.</summary>
+	/// <remarks>
+	/// Enumeration of all possible word transformations.
+	/// <p>There are two simple types of transforms: omit X first/last symbols, two character-case
+	/// transforms and the identity transform.
+	/// </remarks>
+	internal sealed class WordTransformType
+	{
+		internal const int Identity = 0;
+
+		internal const int OmitLast1 = 1;
+
+		internal const int OmitLast2 = 2;
+
+		internal const int OmitLast3 = 3;
+
+		internal const int OmitLast4 = 4;
+
+		internal const int OmitLast5 = 5;
+
+		internal const int OmitLast6 = 6;
+
+		internal const int OmitLast7 = 7;
+
+		internal const int OmitLast8 = 8;
+
+		internal const int OmitLast9 = 9;
+
+		internal const int UppercaseFirst = 10;
+
+		internal const int UppercaseAll = 11;
+
+		internal const int OmitFirst1 = 12;
+
+		internal const int OmitFirst2 = 13;
+
+		internal const int OmitFirst3 = 14;
+
+		internal const int OmitFirst4 = 15;
+
+		internal const int OmitFirst5 = 16;
+
+		internal const int OmitFirst6 = 17;
+
+		internal const int OmitFirst7 = 18;
+
+		internal const int OmitFirst8 = 19;
+
+		internal const int OmitFirst9 = 20;
+
+		internal static int GetOmitFirst(int type)
+		{
+			return type >= OmitFirst1 ? (type - OmitFirst1 + 1) : 0;
+		}
+
+		internal static int GetOmitLast(int type)
+		{
+			return type <= OmitLast9 ? (type - OmitLast1 + 1) : 0;
+		}
+	}
+}

AssetStudio/BuildTarget.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public enum BuildTarget
+    {
+        NoTarget = -2,
+        AnyPlayer = -1,
+        ValidPlayer = 1,
+        StandaloneOSX = 2,
+        StandaloneOSXPPC = 3,
+        StandaloneOSXIntel = 4,
+        StandaloneWindows,
+        WebPlayer,
+        WebPlayerStreamed,
+        Wii = 8,
+        iOS = 9,
+        PS3,
+        XBOX360,
+        Broadcom = 12,
+        Android = 13,
+        StandaloneGLESEmu = 14,
+        StandaloneGLES20Emu = 15,
+        NaCl = 16,
+        StandaloneLinux = 17,
+        FlashPlayer = 18,
+        StandaloneWindows64 = 19,
+        WebGL,
+        WSAPlayer,
+        StandaloneLinux64 = 24,
+        StandaloneLinuxUniversal,
+        WP8Player,
+        StandaloneOSXIntel64,
+        BlackBerry,
+        Tizen,
+        PSP2,
+        PS4,
+        PSM,
+        XboxOne,
+        SamsungTV,
+        N3DS,
+        WiiU,
+        tvOS,
+        Switch,
+        Lumin,
+        Stadia,
+        CloudRendering,
+        GameCoreXboxSeries,
+        GameCoreXboxOne,
+        PS5,
+        EmbeddedLinux,
+        QNX,
+        UnknownPlatform = 9999
+    }
+}

AssetStudio/BuildType.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class BuildType
+    {
+        private string buildType;
+
+        public BuildType(string type)
+        {
+            buildType = type;
+        }
+
+        public bool IsAlpha => buildType == "a";
+        public bool IsPatch => buildType == "p";
+    }
+}

AssetStudio/BundleFile.cs

@@ -0,0 +1,420 @@
+using K4os.Compression.LZ4;
+using System;
+using System.IO;
+using System.Linq;
+
+namespace AssetStudio
+{
+    [Flags]
+    public enum ArchiveFlags
+    {
+        CompressionTypeMask = 0x3f,
+        BlocksAndDirectoryInfoCombined = 0x40,
+        BlocksInfoAtTheEnd = 0x80,
+        OldWebPluginCompatibility = 0x100,
+        BlockInfoNeedPaddingAtStart = 0x200
+    }
+
+    [Flags]
+    public enum StorageBlockFlags
+    {
+        CompressionTypeMask = 0x3f,
+        Streamed = 0x40
+    }
+
+    public enum CompressionType
+    {
+        None,
+        Lzma,
+        Lz4,
+        Lz4HC,
+        Lzham,
+        Lz4Mr0k
+    }
+    public class BundleFile
+    {
+        public class Header
+        {
+            public string signature;
+            public uint version;
+            public string unityVersion;
+            public string unityRevision;
+            public long size;
+            public uint compressedBlocksInfoSize;
+            public uint uncompressedBlocksInfoSize;
+            public ArchiveFlags flags;
+        }
+
+        public class StorageBlock
+        {
+            public uint compressedSize;
+            public uint uncompressedSize;
+            public StorageBlockFlags flags;
+        }
+
+        public class Node
+        {
+            public long offset;
+            public long size;
+            public uint flags;
+            public string path;
+        }
+
+        public Header m_Header;
+        private StorageBlock[] m_BlocksInfo;
+        private Node[] m_DirectoryInfo;
+
+        public StreamFile[] FileList;
+
+        public BundleFile(FileReader reader)
+        {
+            m_Header = new Header();
+            m_Header.signature = reader.ReadStringToNull();
+            
+            if (reader.Game.Name == "BH3")
+            {
+                m_Header.version = 6;
+                m_Header.unityVersion = "5.x.x";
+                m_Header.unityRevision = "2017.4.18f1";
+            }
+            else if (reader.Game.Name == "SR_CB2" || reader.Game.Name == "SR_CB3")
+            {
+                var readHeader = m_Header.signature != "ENCR";
+                
+                if (!readHeader)
+                {
+                    m_Header.version = 7;
+                    m_Header.unityVersion = "5.x.x";
+                    m_Header.unityRevision = "2019.4.32f1";
+                }
+                else
+                {
+                    m_Header.version = reader.ReadUInt32();
+                    m_Header.unityVersion = reader.ReadStringToNull();
+                    m_Header.unityRevision = reader.ReadStringToNull();
+                }
+            }
+            else
+            {
+                m_Header.version = reader.ReadUInt32();
+                m_Header.unityVersion = reader.ReadStringToNull();
+                m_Header.unityRevision = reader.ReadStringToNull();
+            }
+            switch (m_Header.signature)
+            {
+                case "UnityArchive":
+                    break; //TODO
+                case "UnityWeb":
+                case "UnityRaw":
+                    if (m_Header.version == 6)
+                    {
+                        goto case "UnityFS";
+                    }
+                    ReadHeaderAndBlocksInfo(reader);
+                    using (var blocksStream = CreateBlocksStream(reader.FullPath))
+                    {
+                        ReadBlocksAndDirectory(reader, blocksStream);
+                        ReadFiles(blocksStream, reader.FullPath);
+                    }
+                    break;
+                case "UnityFS":
+                case "ENCR":
+                    ReadHeader(reader);
+                    if (reader.Game.Name == "ZZZ_CB1")
+                    {
+                        reader.AlignStream(0x10);
+                    }
+                    ReadBlocksInfoAndDirectory(reader);
+                    using (var blocksStream = CreateBlocksStream(reader.FullPath))
+                    {
+                        ReadBlocks(reader, blocksStream);
+                        ReadFiles(blocksStream, reader.FullPath);
+                    }
+                    break;
+            }
+        }
+
+        private void ReadHeaderAndBlocksInfo(EndianBinaryReader reader)
+        {
+            if (m_Header.version >= 4)
+            {
+                var hash = reader.ReadBytes(16);
+                var crc = reader.ReadUInt32();
+            }
+            var minimumStreamedBytes = reader.ReadUInt32();
+            m_Header.size = reader.ReadUInt32();
+            var numberOfLevelsToDownloadBeforeStreaming = reader.ReadUInt32();
+            var levelCount = reader.ReadInt32();
+            m_BlocksInfo = new StorageBlock[1];
+            for (int i = 0; i < levelCount; i++)
+            {
+                var storageBlock = new StorageBlock()
+                {
+                    compressedSize = reader.ReadUInt32(),
+                    uncompressedSize = reader.ReadUInt32(),
+                };
+                if (i == levelCount - 1)
+                {
+                    m_BlocksInfo[0] = storageBlock;
+                }
+            }
+            if (m_Header.version >= 2)
+            {
+                var completeFileSize = reader.ReadUInt32();
+            }
+            if (m_Header.version >= 3)
+            {
+                var fileInfoHeaderSize = reader.ReadUInt32();
+            }
+            reader.Position = m_Header.size;
+        }
+
+        private Stream CreateBlocksStream(string path)
+        {
+            Stream blocksStream;
+            var uncompressedSizeSum = m_BlocksInfo.Sum(x => x.uncompressedSize);
+            if (uncompressedSizeSum >= int.MaxValue)
+            {
+                /*var memoryMappedFile = MemoryMappedFile.CreateNew(null, uncompressedSizeSum);
+                assetsDataStream = memoryMappedFile.CreateViewStream();*/
+                blocksStream = new FileStream(path + ".temp", FileMode.Create, FileAccess.ReadWrite, FileShare.None, 4096, FileOptions.DeleteOnClose);
+            }
+            else
+            {
+                blocksStream = new MemoryStream((int)uncompressedSizeSum);
+            }
+            return blocksStream;
+        }
+
+        private void ReadBlocksAndDirectory(EndianBinaryReader reader, Stream blocksStream)
+        {
+            var isCompressed = m_Header.signature == "UnityWeb";
+            foreach (var blockInfo in m_BlocksInfo)
+            {
+                var uncompressedBytes = reader.ReadBytes((int)blockInfo.compressedSize);
+                if (isCompressed)
+                {
+                    using (var memoryStream = new MemoryStream(uncompressedBytes))
+                    {
+                        using (var decompressStream = SevenZipHelper.StreamDecompress(memoryStream))
+                        {
+                            uncompressedBytes = decompressStream.ToArray();
+                        }
+                    }
+                }
+                blocksStream.Write(uncompressedBytes, 0, uncompressedBytes.Length);
+            }
+            blocksStream.Position = 0;
+            var blocksReader = new EndianBinaryReader(blocksStream);
+            var nodesCount = blocksReader.ReadInt32();
+            m_DirectoryInfo = new Node[nodesCount];
+            for (int i = 0; i < nodesCount; i++)
+            {
+                m_DirectoryInfo[i] = new Node
+                {
+                    path = blocksReader.ReadStringToNull(),
+                    offset = blocksReader.ReadUInt32(),
+                    size = blocksReader.ReadUInt32()
+                };
+            }
+        }
+
+        public void ReadFiles(Stream blocksStream, string path)
+        {
+            FileList = new StreamFile[m_DirectoryInfo.Length];
+            for (int i = 0; i < m_DirectoryInfo.Length; i++)
+            {
+                var node = m_DirectoryInfo[i];
+                var file = new StreamFile();
+                FileList[i] = file;
+                file.path = node.path;
+                file.fileName = Path.GetFileName(node.path);
+                if (node.size >= int.MaxValue)
+                {
+                    /*var memoryMappedFile = MemoryMappedFile.CreateNew(null, entryinfo_size);
+                    file.stream = memoryMappedFile.CreateViewStream();*/
+                    var extractPath = path + "_unpacked" + Path.DirectorySeparatorChar;
+                    Directory.CreateDirectory(extractPath);
+                    file.stream = new FileStream(extractPath + file.fileName, FileMode.Create, FileAccess.ReadWrite, FileShare.ReadWrite);
+                }
+                else
+                {
+                    file.stream = new MemoryStream((int)node.size);
+                }
+                blocksStream.Position = node.offset;
+                blocksStream.CopyTo(file.stream, node.size);
+                file.stream.Position = 0;
+            }
+        }
+
+        private void DecryptHeader(int key)
+        {
+            var rand = new XORShift128();
+            rand.InitSeed(key);
+            m_Header.flags ^= (ArchiveFlags)rand.NextDecryptInt();
+            m_Header.size ^= rand.NextDecryptLong();
+            m_Header.uncompressedBlocksInfoSize ^= rand.NextDecryptUInt();
+            m_Header.compressedBlocksInfoSize ^= rand.NextDecryptUInt();
+        }
+
+        private void ReadHeader(EndianBinaryReader reader)
+        {
+            if (reader.Game.Name == "BH3")
+            {
+                var key = reader.ReadInt32();
+                m_Header.flags = (ArchiveFlags)reader.ReadUInt32();
+                m_Header.size = reader.ReadInt64();
+                m_Header.uncompressedBlocksInfoSize = reader.ReadUInt32();
+                m_Header.compressedBlocksInfoSize = reader.ReadUInt32();
+                DecryptHeader(key);
+                var encUnityVersion = reader.ReadStringToNull();
+                var encUnityRevision = reader.ReadStringToNull();
+            }
+            else
+            {
+                m_Header.size = reader.ReadInt64();
+                m_Header.compressedBlocksInfoSize = reader.ReadUInt32();
+                m_Header.uncompressedBlocksInfoSize = reader.ReadUInt32();
+                m_Header.flags = (ArchiveFlags)reader.ReadUInt32();
+            }
+        }
+
+        private void ReadBlocksInfoAndDirectory(EndianBinaryReader reader)
+        {
+            byte[] blocksInfoBytes;
+            if (m_Header.version >= 7 && reader.Game.Name != "SR_CB2" && reader.Game.Name != "SR_CB3")
+            {
+                reader.AlignStream(16);
+            }
+            if ((m_Header.flags & ArchiveFlags.BlocksInfoAtTheEnd) != 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 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) //kArchiveCompressionTypeMask
+            {
+                case CompressionType.None: //None
+                    {
+                        blocksInfoUncompresseddStream = new MemoryStream(blocksInfoBytes);
+                        break;
+                    }
+                case CompressionType.Lzma: //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: //LZ4
+                case CompressionType.Lz4HC: //LZ4HC
+                    {
+                        var uncompressedBytes = new byte[uncompressedSize];
+                        var numWrite = LZ4Codec.Decode(blocksInfoBytes, uncompressedBytes);
+                        if (numWrite != uncompressedSize)
+                        {
+                            throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
+                        }
+                        blocksInfoUncompresseddStream = new MemoryStream(uncompressedBytes);
+                        break;
+                    }
+                case CompressionType.Lz4Mr0k: //Lz4Mr0k
+                    var blocksInfoSize = blocksInfoBytes.Length;
+                    if (Mr0k.IsMr0k(blocksInfoBytes))
+                    {
+                        Mr0k.Decrypt(ref blocksInfoBytes, ref blocksInfoSize);
+                    }
+                    goto case CompressionType.Lz4HC;
+                default:
+                    throw new IOException($"Unsupported compression type {compressionType}");
+            }
+            using (var blocksInfoReader = new EndianBinaryReader(blocksInfoUncompresseddStream))
+            {
+                if ((reader.Game.Name != "SR_CB2" && reader.Game.Name != "SR_CB3") || m_Header.signature != "ENCR")
+                {
+                    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(),
+                    };
+                }
+            }
+        }
+
+        private void ReadBlocks(EndianBinaryReader reader, Stream blocksStream)
+        {
+            foreach (var blockInfo in m_BlocksInfo)
+            {
+                var compressionType = (CompressionType)(blockInfo.flags & StorageBlockFlags.CompressionTypeMask);
+                switch (compressionType) //kStorageBlockCompressionTypeMask
+                {
+                    case CompressionType.None: //None
+                        {
+                            reader.BaseStream.CopyTo(blocksStream, blockInfo.compressedSize);
+                            break;
+                        }
+                    case CompressionType.Lzma: //LZMA
+                        {
+                            SevenZipHelper.StreamDecompress(reader.BaseStream, blocksStream, blockInfo.compressedSize, blockInfo.uncompressedSize);
+                            break;
+                        }
+                    case CompressionType.Lz4: //LZ4
+                    case CompressionType.Lz4HC: //LZ4HC
+                    case CompressionType.Lz4Mr0k: //Lz4Mr0k
+                        {
+                            var compressedSize = (int)blockInfo.compressedSize;
+                            var compressedBytes = new byte[compressedSize];
+                            reader.Read(compressedBytes, 0, compressedSize);
+                            if (compressionType == CompressionType.Lz4Mr0k && Mr0k.IsMr0k(compressedBytes))
+                            {
+                                Mr0k.Decrypt(ref compressedBytes, ref compressedSize);
+                            }
+                            var uncompressedSize = (int)blockInfo.uncompressedSize;
+                            var uncompressedBytes = new byte[uncompressedSize];
+                            var numWrite = LZ4Codec.Decode(compressedBytes, 0, compressedSize, uncompressedBytes, 0, uncompressedSize);
+                            if (numWrite != uncompressedSize)
+                            {
+                                throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
+                            }
+                            blocksStream.Write(uncompressedBytes, 0, uncompressedSize);
+                            break;
+                        }
+                    default:
+                        throw new IOException($"Unsupported compression type {compressionType}");
+                }
+            }
+            blocksStream.Position = 0;
+        }
+    }
+}

AssetStudio/CABManager.cs

@@ -0,0 +1,207 @@
+using System;
+using System.IO;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace AssetStudio
+{
+    public static class CABManager
+    {
+        public static Dictionary<string, Entry> CABMap = new Dictionary<string, Entry>(StringComparer.OrdinalIgnoreCase);
+        public static Dictionary<string, HashSet<long>> offsets = new Dictionary<string, HashSet<long>>();
+
+        public static void BuildMap(List<string> files, Game game)
+        {
+            Logger.Info($"Building {game.Name}Map");
+            try
+            {
+                int collisions = 0;
+                CABMap.Clear();
+                Progress.Reset();
+                for (int i = 0; i < files.Count; i++)
+                {
+                    var file = files[i];
+                    var reader = new FileReader(file, game);
+                    var gameFile = new GameFile(reader);
+                    reader.Dispose();
+                    foreach (var bundle in gameFile.Bundles)
+                    {
+                        foreach (var cab in bundle.Value)
+                        {
+                            var dummyPath = Path.Combine(Path.GetDirectoryName(reader.FullPath), cab.fileName);
+                            using (var cabReader = new FileReader(dummyPath, cab.stream))
+                            {
+                                if (cabReader.FileType == FileType.AssetsFile)
+                                {
+                                    if (CABMap.ContainsKey(cab.path))
+                                    {
+                                        collisions++;
+                                        continue;
+                                    }
+                                    var assetsFile = new SerializedFile(cabReader, null, reader.FullPath);
+                                    var dependencies = assetsFile.m_Externals.Select(x => x.fileName).ToList();
+                                    CABMap.Add(cab.path, new Entry(file, bundle.Key, dependencies));
+                                }
+                            }
+                        }
+                    }
+                    Logger.Info($"[{i + 1}/{files.Count}] Processed {Path.GetFileName(file)}");
+                    Progress.Report(i + 1, files.Count);
+                }
+
+                CABMap = CABMap.OrderBy(pair => pair.Key).ToDictionary(pair => pair.Key, pair => pair.Value);
+                var outputFile = new FileInfo($"Maps/{game.Name}Map.bin");
+
+                if (!outputFile.Directory.Exists)
+                    outputFile.Directory.Create();
+
+                using (var binaryFile = outputFile.Create())
+                using (var writer = new BinaryWriter(binaryFile))
+                {
+                    writer.Write(CABMap.Count);
+                    foreach (var cab in CABMap)
+                    {
+                        writer.Write(cab.Key);
+                        writer.Write(cab.Value.Path);
+                        writer.Write(cab.Value.Offset);
+                        writer.Write(cab.Value.Dependencies.Count);
+                        foreach (var dependancy in cab.Value.Dependencies)
+                        {
+                            writer.Write(dependancy);
+                        }
+                    }
+                }
+                Logger.Info($"{game.Name}Map build successfully, {collisions} collisions found !!");
+            }
+            catch (Exception e)
+            {
+                Logger.Warning($"{game.Name}Map was not build, {e.Message}");
+            }
+        }
+        public static void LoadMap(Game game)
+        {
+            Logger.Info($"Loading {game.Name}Map");
+            try
+            {
+                CABMap.Clear();
+                using (var binaryFile = File.OpenRead($"Maps/{game.Name}Map.bin"))
+                using (var reader = new BinaryReader(binaryFile))
+                {
+                    var count = reader.ReadInt32();
+                    for (int i = 0; i < count; i++)
+                    {
+                        var cab = reader.ReadString();
+                        var path = reader.ReadString();
+                        var offset = reader.ReadInt64();
+                        var depCount = reader.ReadInt32();
+                        var dependencies = new List<string>();
+                        for (int j = 0; j < depCount; j++)
+                        {
+                            var dependancy = reader.ReadString();
+                            dependencies.Add(dependancy);
+                        }
+                        CABMap.Add(cab, new Entry(path, offset, dependencies));
+                    }
+                }
+                Logger.Info($"Loaded {game.Name}Map !!");
+            }
+            catch (Exception e)
+            {
+                Logger.Warning($"{game.Name}Map was not loaded, {e.Message}");
+            }
+        }
+
+        public static void AddCABOffsets(string[] path, List<string> cabs)
+        {
+            for (int i = 0; i < cabs.Count; i++)
+            {
+                var cab = cabs[i];
+                if (CABMap.TryGetValue(cab, out var entry))
+                {
+                    if (!path.Contains(entry.Path))
+                    {
+                        if (!offsets.ContainsKey(entry.Path))
+                        {
+                            offsets.Add(entry.Path, new HashSet<long>());
+                        }
+                        offsets[entry.Path].Add(entry.Offset);
+                    }
+                    foreach (var dep in entry.Dependencies)
+                    {
+                        if (!cabs.Contains(dep))
+                            cabs.Add(dep);
+                    }
+                }
+            }
+        }
+
+        public static bool FindCAB(string path, out List<string> cabs)
+        {
+            cabs = CABMap.Where(x => x.Value.Path.Contains(path)).Select(x => x.Key).ToList();
+            return cabs.Count != 0;
+        }
+
+        public static string[] ProcessFiles(string[] files)
+        {
+            foreach (var file in files)
+            {
+                if (!offsets.ContainsKey(file))
+                {
+                    offsets.Add(file, new HashSet<long>());
+                }
+                if (FindCAB(file, out var cabs))
+                {
+                    AddCABOffsets(files, cabs);
+                }
+            }
+            return offsets.Keys.ToArray();
+        }
+
+        public static string[] ProcessDependencies(string[] files)
+        {
+            if (CABMap.Count == 0)
+            {
+                Logger.Warning("CABMap is not build, skip resolving dependencies...");
+            }
+            else
+            {
+                Logger.Info("Resolving Dependencies...");
+                var file = files.FirstOrDefault();
+                var supportedExtensions = GameManager.GetGames().Select(x => x.Extension).ToList();
+                if (supportedExtensions.Contains(Path.GetExtension(file)))
+                {
+                    files = ProcessFiles(files);
+                }
+            }
+            return files;
+        }
+    }
+
+    public class Entry : IComparable<Entry>
+    {
+         public string Path;
+         public long Offset;
+         public List<string> Dependencies;
+         public Entry(string path, long offset, List<string> dependencies)
+         {
+             Path = path;
+             Offset = offset;
+             Dependencies = dependencies;
+         }
+         public int CompareTo(Entry other)
+         {
+             if (other == null) return 1;
+
+             int result;
+             if (other == null)
+                 throw new ArgumentException("Object is not an Entry");
+
+             result = Path.CompareTo(other.Path);
+
+             if (result == 0)
+                 result = Offset.CompareTo(other.Offset);
+
+             return result;
+         }
+    }
+}

AssetStudio/ClassIDType.cs

@@ -0,0 +1,395 @@
+// official Class ID Reference: https://docs.unity3d.com/Manual/ClassIDReference.html
+namespace AssetStudio
+{
+    public enum ClassIDType
+    {
+        UnknownType = -1,
+        Object = 0,
+        GameObject = 1,
+        Component = 2,
+        LevelGameManager = 3,
+        Transform = 4,
+        TimeManager = 5,
+        GlobalGameManager = 6,
+        Behaviour = 8,
+        GameManager = 9,
+        AudioManager = 11,
+        ParticleAnimator = 12,
+        InputManager = 13,
+        EllipsoidParticleEmitter = 15,
+        Pipeline = 17,
+        EditorExtension = 18,
+        Physics2DSettings = 19,
+        Camera = 20,
+        Material = 21,
+        MeshRenderer = 23,
+        Renderer = 25,
+        ParticleRenderer = 26,
+        Texture = 27,
+        Texture2D = 28,
+        OcclusionCullingSettings = 29,
+        GraphicsSettings = 30,
+        MeshFilter = 33,
+        OcclusionPortal = 41,
+        Mesh = 43,
+        Skybox = 45,
+        QualitySettings = 47,
+        Shader = 48,
+        TextAsset = 49,
+        Rigidbody2D = 50,
+        Physics2DManager = 51,
+        Collider2D = 53,
+        Rigidbody = 54,
+        PhysicsManager = 55,
+        Collider = 56,
+        Joint = 57,
+        CircleCollider2D = 58,
+        HingeJoint = 59,
+        PolygonCollider2D = 60,
+        BoxCollider2D = 61,
+        PhysicsMaterial2D = 62,
+        MeshCollider = 64,
+        BoxCollider = 65,
+        CompositeCollider2D = 66,
+        EdgeCollider2D = 68,
+        CapsuleCollider2D = 70,
+        ComputeShader = 72,
+        AnimationClip = 74,
+        ConstantForce = 75,
+        WorldParticleCollider = 76,
+        TagManager = 78,
+        AudioListener = 81,
+        AudioSource = 82,
+        AudioClip = 83,
+        RenderTexture = 84,
+        CustomRenderTexture = 86,
+        MeshParticleEmitter = 87,
+        ParticleEmitter = 88,
+        Cubemap = 89,
+        Avatar = 90,
+        AnimatorController = 91,
+        GUILayer = 92,
+        RuntimeAnimatorController = 93,
+        ScriptMapper = 94,
+        Animator = 95,
+        TrailRenderer = 96,
+        DelayedCallManager = 98,
+        TextMesh = 102,
+        RenderSettings = 104,
+        Light = 108,
+        CGProgram = 109,
+        BaseAnimationTrack = 110,
+        Animation = 111,
+        MonoBehaviour = 114,
+        MonoScript = 115,
+        MonoManager = 116,
+        Texture3D = 117,
+        NewAnimationTrack = 118,
+        Projector = 119,
+        LineRenderer = 120,
+        Flare = 121,
+        Halo = 122,
+        LensFlare = 123,
+        FlareLayer = 124,
+        HaloLayer = 125,
+        NavMeshAreas = 126,
+        NavMeshProjectSettings = 126,
+        HaloManager = 127,
+        Font = 128,
+        PlayerSettings = 129,
+        NamedObject = 130,
+        GUITexture = 131,
+        GUIText = 132,
+        GUIElement = 133,
+        PhysicMaterial = 134,
+        SphereCollider = 135,
+        CapsuleCollider = 136,
+        SkinnedMeshRenderer = 137,
+        FixedJoint = 138,
+        RaycastCollider = 140,
+        BuildSettings = 141,
+        AssetBundle = 142,
+        CharacterController = 143,
+        CharacterJoint = 144,
+        SpringJoint = 145,
+        WheelCollider = 146,
+        ResourceManager = 147,
+        NetworkView = 148,
+        NetworkManager = 149,
+        PreloadData = 150,
+        MovieTexture = 152,
+        ConfigurableJoint = 153,
+        TerrainCollider = 154,
+        MasterServerInterface = 155,
+        TerrainData = 156,
+        LightmapSettings = 157,
+        WebCamTexture = 158,
+        EditorSettings = 159,
+        InteractiveCloth = 160,
+        ClothRenderer = 161,
+        EditorUserSettings = 162,
+        SkinnedCloth = 163,
+        AudioReverbFilter = 164,
+        AudioHighPassFilter = 165,
+        AudioChorusFilter = 166,
+        AudioReverbZone = 167,
+        AudioEchoFilter = 168,
+        AudioLowPassFilter = 169,
+        AudioDistortionFilter = 170,
+        SparseTexture = 171,
+        AudioBehaviour = 180,
+        AudioFilter = 181,
+        WindZone = 182,
+        Cloth = 183,
+        SubstanceArchive = 184,
+        ProceduralMaterial = 185,
+        ProceduralTexture = 186,
+        Texture2DArray = 187,
+        CubemapArray = 188,
+        OffMeshLink = 191,
+        OcclusionArea = 192,
+        Tree = 193,
+        NavMeshObsolete = 194,
+        NavMeshAgent = 195,
+        NavMeshSettings = 196,
+        LightProbesLegacy = 197,
+        ParticleSystem = 198,
+        ParticleSystemRenderer = 199,
+        ShaderVariantCollection = 200,
+        LODGroup = 205,
+        BlendTree = 206,
+        Motion = 207,
+        NavMeshObstacle = 208,
+        SortingGroup = 210,
+        SpriteRenderer = 212,
+        Sprite = 213,
+        CachedSpriteAtlas = 214,
+        ReflectionProbe = 215,
+        ReflectionProbes = 216,
+        Terrain = 218,
+        LightProbeGroup = 220,
+        AnimatorOverrideController = 221,
+        CanvasRenderer = 222,
+        Canvas = 223,
+        RectTransform = 224,
+        CanvasGroup = 225,
+        BillboardAsset = 226,
+        BillboardRenderer = 227,
+        SpeedTreeWindAsset = 228,
+        AnchoredJoint2D = 229,
+        Joint2D = 230,
+        SpringJoint2D = 231,
+        DistanceJoint2D = 232,
+        HingeJoint2D = 233,
+        SliderJoint2D = 234,
+        WheelJoint2D = 235,
+        ClusterInputManager = 236,
+        BaseVideoTexture = 237,
+        NavMeshData = 238,
+        AudioMixer = 240,
+        AudioMixerController = 241,
+        AudioMixerGroupController = 243,
+        AudioMixerEffectController = 244,
+        AudioMixerSnapshotController = 245,
+        PhysicsUpdateBehaviour2D = 246,
+        ConstantForce2D = 247,
+        Effector2D = 248,
+        AreaEffector2D = 249,
+        PointEffector2D = 250,
+        PlatformEffector2D = 251,
+        SurfaceEffector2D = 252,
+        BuoyancyEffector2D = 253,
+        RelativeJoint2D = 254,
+        FixedJoint2D = 255,
+        FrictionJoint2D = 256,
+        TargetJoint2D = 257,
+        LightProbes = 258,
+        LightProbeProxyVolume = 259,
+        SampleClip = 271,
+        AudioMixerSnapshot = 272,
+        AudioMixerGroup = 273,
+        NScreenBridge = 280,
+        AssetBundleManifest = 290,
+        UnityAdsManager = 292,
+        RuntimeInitializeOnLoadManager = 300,
+        CloudWebServicesManager = 301,
+        UnityAnalyticsManager = 303,
+        CrashReportManager = 304,
+        PerformanceReportingManager = 305,
+        UnityConnectSettings = 310,
+        AvatarMask = 319,
+        PlayableDirector = 320,
+        VideoPlayer = 328,
+        VideoClip = 329,
+        ParticleSystemForceField = 330,
+        SpriteMask = 331,
+        WorldAnchor = 362,
+        OcclusionCullingData = 363,
+        MiHoYoGrassData = 601,
+        MiHoYoGrassBlock = 603,
+        MiHoYoGrassLand = 602,
+        MiHoYoVegetationInteractor = 604,
+        MiHoYoWindParameterConfigurator = 605,
+        MiHoYoGrassGlobalConfigurator = 606,
+        //kLargestRuntimeClassID = 364
+        SmallestEditorClassID = 1000,
+        PrefabInstance = 1001,
+        EditorExtensionImpl = 1002,
+        AssetImporter = 1003,
+        AssetDatabaseV1 = 1004,
+        Mesh3DSImporter = 1005,
+        TextureImporter = 1006,
+        ShaderImporter = 1007,
+        ComputeShaderImporter = 1008,
+        AudioImporter = 1020,
+        HierarchyState = 1026,
+        GUIDSerializer = 1027,
+        AssetMetaData = 1028,
+        DefaultAsset = 1029,
+        DefaultImporter = 1030,
+        TextScriptImporter = 1031,
+        SceneAsset = 1032,
+        NativeFormatImporter = 1034,
+        MonoImporter = 1035,
+        AssetServerCache = 1037,
+        LibraryAssetImporter = 1038,
+        ModelImporter = 1040,
+        FBXImporter = 1041,
+        TrueTypeFontImporter = 1042,
+        MovieImporter = 1044,
+        EditorBuildSettings = 1045,
+        DDSImporter = 1046,
+        InspectorExpandedState = 1048,
+        AnnotationManager = 1049,
+        PluginImporter = 1050,
+        EditorUserBuildSettings = 1051,
+        PVRImporter = 1052,
+        ASTCImporter = 1053,
+        KTXImporter = 1054,
+        IHVImageFormatImporter = 1055,
+        AnimatorStateTransition = 1101,
+        AnimatorState = 1102,
+        HumanTemplate = 1105,
+        AnimatorStateMachine = 1107,
+        PreviewAnimationClip = 1108,
+        AnimatorTransition = 1109,
+        SpeedTreeImporter = 1110,
+        AnimatorTransitionBase = 1111,
+        SubstanceImporter = 1112,
+        LightmapParameters = 1113,
+        LightingDataAsset = 1120,
+        GISRaster = 1121,
+        GISRasterImporter = 1122,
+        CadImporter = 1123,
+        SketchUpImporter = 1124,
+        BuildReport = 1125,
+        PackedAssets = 1126,
+        VideoClipImporter = 1127,
+        PlaneCullingOccluder = 1201,
+        BakedCollisionData = 1202,
+        ObjectInstanceCache = 1203,
+        MiHoYoLodLoader = 1204,
+        LODLevel = 1205,
+        MiHoYoLodMeshGroup = 1206,
+        MiHoYoInstanceColor = 1207,
+        MiHoYoBinData = 1208,
+        IndexObject = 1210,
+        MiHoYoTextureStreamingPreloader = 1211,
+        ActivationLogComponent = 2000,
+        //kLargestEditorClassID = 2001
+        //kClassIdOutOfHierarchy = 100000
+        //int = 100000,
+        //bool = 100001,
+        //float = 100002,
+        MonoObject = 100003,
+        Collision = 100004,
+        Vector3f = 100005,
+        RootMotionData = 100006,
+        Collision2D = 100007,
+        AudioMixerLiveUpdateFloat = 100008,
+        AudioMixerLiveUpdateBool = 100009,
+        Polygon2D = 100010,
+        //void = 100011,
+        TilemapCollider2D = 19719996,
+        AssetImporterLog = 41386430,
+        VFXRenderer = 73398921,
+        SerializableManagedRefTestClass = 76251197,
+        Grid = 156049354,
+        ScenesUsingAssets = 156483287,
+        ArticulationBody = 171741748,
+        Preset = 181963792,
+        EmptyObject = 277625683,
+        IConstraint = 285090594,
+        TestObjectWithSpecialLayoutOne = 293259124,
+        AssemblyDefinitionReferenceImporter = 294290339,
+        SiblingDerived = 334799969,
+        TestObjectWithSerializedMapStringNonAlignedStruct = 342846651,
+        SubDerived = 367388927,
+        AssetImportInProgressProxy = 369655926,
+        PluginBuildInfo = 382020655,
+        EditorProjectAccess = 426301858,
+        PrefabImporter = 468431735,
+        TestObjectWithSerializedArray = 478637458,
+        TestObjectWithSerializedAnimationCurve = 478637459,
+        TilemapRenderer = 483693784,
+        ScriptableCamera = 488575907,
+        SpriteAtlasAsset = 612988286,
+        SpriteAtlasDatabase = 638013454,
+        AudioBuildInfo = 641289076,
+        CachedSpriteAtlasRuntimeData = 644342135,
+        RendererFake = 646504946,
+        AssemblyDefinitionReferenceAsset = 662584278,
+        BuiltAssetBundleInfoSet = 668709126,
+        SpriteAtlas = 687078895,
+        RayTracingShaderImporter = 747330370,
+        RayTracingShader = 825902497,
+        LightingSettings = 850595691,
+        PlatformModuleSetup = 877146078,
+        VersionControlSettings = 890905787,
+        AimConstraint = 895512359,
+        VFXManager = 937362698,
+        VisualEffectSubgraph = 994735392,
+        VisualEffectSubgraphOperator = 994735403,
+        VisualEffectSubgraphBlock = 994735404,
+        LocalizationImporter = 1027052791,
+        Derived = 1091556383,
+        PropertyModificationsTargetTestObject = 1111377672,
+        ReferencesArtifactGenerator = 1114811875,
+        AssemblyDefinitionAsset = 1152215463,
+        SceneVisibilityState = 1154873562,
+        LookAtConstraint = 1183024399,
+        SpriteAtlasImporter = 1210832254,
+        MultiArtifactTestImporter = 1223240404,
+        GameObjectRecorder = 1268269756,
+        LightingDataAssetParent = 1325145578,
+        PresetManager = 1386491679,
+        TestObjectWithSpecialLayoutTwo = 1392443030,
+        StreamingManager = 1403656975,
+        LowerResBlitTexture = 1480428607,
+        StreamingController = 1542919678,
+        RenderPassAttachment = 1571458007,
+        TestObjectVectorPairStringBool = 1628831178,
+        GridLayout = 1742807556,
+        AssemblyDefinitionImporter = 1766753193,
+        ParentConstraint = 1773428102,
+        FakeComponent = 1803986026,
+        PositionConstraint = 1818360608,
+        RotationConstraint = 1818360609,
+        ScaleConstraint = 1818360610,
+        Tilemap = 1839735485,
+        PackageManifest = 1896753125,
+        PackageManifestImporter = 1896753126,
+        TerrainLayer = 1953259897,
+        SpriteShapeRenderer = 1971053207,
+        NativeObjectType = 1977754360,
+        TestObjectWithSerializedMapStringBool = 1981279845,
+        SerializableManagedHost = 1995898324,
+        VisualEffectAsset = 2058629509,
+        VisualEffectImporter = 2058629510,
+        VisualEffectResource = 2058629511,
+        VisualEffectObject = 2059678085,
+        VisualEffect = 2083052967,
+        LocalizationAsset = 2083778819,
+        ScriptedImporter = 2089858483
+    }
+}

AssetStudio/Classes/Animation.cs

@@ -0,0 +1,35 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class Animation : Behaviour
+    {
+        public PPtr<AnimationClip>[] m_Animations;
+
+        public Animation(ObjectReader reader) : base(reader)
+        {
+            var m_Animation = new PPtr<AnimationClip>(reader);
+            int numAnimations = reader.ReadInt32();
+            m_Animations = new PPtr<AnimationClip>[numAnimations];
+            for (int i = 0; i < numAnimations; i++)
+            {
+                m_Animations[i] = new PPtr<AnimationClip>(reader);
+            }
+        }
+
+        public bool IsContainsAnimationClip(AnimationClip clip)
+        {
+            foreach (PPtr<AnimationClip> ptr in m_Animations)
+            {
+                if (ptr.TryGet(out var animationClip) && animationClip.Equals(clip))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}

AssetStudio/Classes/Animator.cs

@@ -0,0 +1,97 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class Animator : Behaviour
+    {
+        public PPtr<Avatar> m_Avatar;
+        public PPtr<RuntimeAnimatorController> m_Controller;
+        public bool m_HasTransformHierarchy = true;
+
+        public Animator(ObjectReader reader) : base(reader)
+        {
+            m_Avatar = new PPtr<Avatar>(reader);
+            m_Controller = new PPtr<RuntimeAnimatorController>(reader);
+            if (reader.Game.Name == "GI" || reader.Game.Name == "GI_CB2" || reader.Game.Name == "GI_CB3")
+            {
+                var m_FBIKAvatar = new PPtr<Object>(reader); //FBIKAvatar placeholder
+            }
+            var m_CullingMode = reader.ReadInt32();
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 5)) //4.5 and up
+            {
+                var m_UpdateMode = reader.ReadInt32();
+            }
+
+            var m_ApplyRootMotion = reader.ReadBoolean();
+            if (version[0] == 4 && version[1] >= 5) //4.5 and up - 5.0 down
+            {
+                reader.AlignStream();
+            }
+
+            if (version[0] >= 5) //5.0 and up
+            {
+                var m_LinearVelocityBlending = reader.ReadBoolean();
+                if (version[0] > 2021 || (version[0] == 2021 && version[1] >= 2)) //2021.2 and up
+                {
+                    var m_StabilizeFeet = reader.ReadBoolean();
+                }
+                reader.AlignStream();
+            }
+
+            if (version[0] < 4 || (version[0] == 4 && version[1] < 5)) //4.5 down
+            {
+                var m_AnimatePhysics = reader.ReadBoolean();
+            }
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                m_HasTransformHierarchy = reader.ReadBoolean();
+            }
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 5)) //4.5 and up
+            {
+                var m_AllowConstantClipSamplingOptimization = reader.ReadBoolean();
+            }
+            if (version[0] >= 5 && version[0] < 2018) //5.0 and up - 2018 down
+            {
+                reader.AlignStream();
+            }
+
+            if (version[0] >= 2018) //2018 and up
+            {
+                var m_KeepAnimatorControllerStateOnDisable = reader.ReadBoolean();
+                reader.AlignStream();
+            }
+        }
+
+        public Dictionary<uint, string> BuildTOS()
+        {
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3))
+            {
+                if (m_HasTransformHierarchy)
+                {
+                    if (m_GameObject.TryGet(out var go))
+                    {
+                        return go.BuildTOS();
+                    }
+                }
+                else
+                {
+                    return new Dictionary<uint, string>() { { 0, string.Empty } };
+                }
+            }
+            else
+            {
+                if (m_GameObject.TryGet(out var go))
+                {
+                    return go.BuildTOS();
+                }
+            }
+            return null;
+        }
+    }
+}

AssetStudio/Classes/AnimatorController.cs

@@ -0,0 +1,617 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class HumanPoseMask
+    {
+        public uint word0;
+        public uint word1;
+        public uint word2;
+
+        public HumanPoseMask(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            word0 = reader.ReadUInt32();
+            word1 = reader.ReadUInt32();
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 2)) //5.2 and up
+            {
+                word2 = reader.ReadUInt32();
+            }
+        }
+    }
+
+    public class SkeletonMaskElement
+    {
+        public uint m_PathHash;
+        public float m_Weight;
+
+        public SkeletonMaskElement(ObjectReader reader)
+        {
+            m_PathHash = reader.ReadUInt32();
+            m_Weight = reader.ReadSingle();
+        }
+    }
+
+    public class SkeletonMask
+    {
+        public SkeletonMaskElement[] m_Data;
+
+        public SkeletonMask(ObjectReader reader)
+        {
+            int numElements = reader.ReadInt32();
+            m_Data = new SkeletonMaskElement[numElements];
+            for (int i = 0; i < numElements; i++)
+            {
+                m_Data[i] = new SkeletonMaskElement(reader);
+            }
+        }
+    }
+
+    public class LayerConstant
+    {
+        public uint m_StateMachineIndex;
+        public uint m_StateMachineMotionSetIndex;
+        public HumanPoseMask m_BodyMask;
+        public SkeletonMask m_SkeletonMask;
+        public uint m_Binding;
+        public int m_LayerBlendingMode;
+        public float m_DefaultWeight;
+        public bool m_IKPass;
+        public bool m_SyncedLayerAffectsTiming;
+
+        public LayerConstant(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            m_StateMachineIndex = reader.ReadUInt32();
+            m_StateMachineMotionSetIndex = reader.ReadUInt32();
+            m_BodyMask = new HumanPoseMask(reader);
+            m_SkeletonMask = new SkeletonMask(reader);
+            m_Binding = reader.ReadUInt32();
+            m_LayerBlendingMode = reader.ReadInt32();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 2)) //4.2 and up
+            {
+                m_DefaultWeight = reader.ReadSingle();
+            }
+            m_IKPass = reader.ReadBoolean();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 2)) //4.2 and up
+            {
+                m_SyncedLayerAffectsTiming = reader.ReadBoolean();
+            }
+            reader.AlignStream();
+        }
+    }
+
+    public class ConditionConstant
+    {
+        public uint m_ConditionMode;
+        public uint m_EventID;
+        public float m_EventThreshold;
+        public float m_ExitTime;
+
+        public ConditionConstant(ObjectReader reader)
+        {
+            m_ConditionMode = reader.ReadUInt32();
+            m_EventID = reader.ReadUInt32();
+            m_EventThreshold = reader.ReadSingle();
+            m_ExitTime = reader.ReadSingle();
+        }
+    }
+
+    public class TransitionConstant
+    {
+        public ConditionConstant[] m_ConditionConstantArray;
+        public uint m_DestinationState;
+        public uint m_FullPathID;
+        public uint m_ID;
+        public uint m_UserID;
+        public float m_TransitionDuration;
+        public float m_TransitionOffset;
+        public float m_ExitTime;
+        public bool m_HasExitTime;
+        public bool m_HasFixedDuration;
+        public int m_InterruptionSource;
+        public bool m_OrderedInterruption;
+        public bool m_Atomic;
+        public bool m_CanTransitionToSelf;
+
+        public TransitionConstant(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            int numConditions = reader.ReadInt32();
+            m_ConditionConstantArray = new ConditionConstant[numConditions];
+            for (int i = 0; i < numConditions; i++)
+            {
+                m_ConditionConstantArray[i] = new ConditionConstant(reader);
+            }
+
+            m_DestinationState = reader.ReadUInt32();
+            if (version[0] >= 5) //5.0 and up
+            {
+                m_FullPathID = reader.ReadUInt32();
+            }
+
+            m_ID = reader.ReadUInt32();
+            m_UserID = reader.ReadUInt32();
+            m_TransitionDuration = reader.ReadSingle();
+            m_TransitionOffset = reader.ReadSingle();
+            if (version[0] >= 5) //5.0 and up
+            {
+                m_ExitTime = reader.ReadSingle();
+                m_HasExitTime = reader.ReadBoolean();
+                m_HasFixedDuration = reader.ReadBoolean();
+                reader.AlignStream();
+                m_InterruptionSource = reader.ReadInt32();
+                m_OrderedInterruption = reader.ReadBoolean();
+            }
+            else
+            {
+                m_Atomic = reader.ReadBoolean();
+            }
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 5)) //4.5 and up
+            {
+                m_CanTransitionToSelf = reader.ReadBoolean();
+            }
+
+            reader.AlignStream();
+        }
+    }
+
+    public class LeafInfoConstant
+    {
+        public uint[] m_IDArray;
+        public uint m_IndexOffset;
+
+        public LeafInfoConstant(ObjectReader reader)
+        {
+            m_IDArray = reader.ReadUInt32Array();
+            m_IndexOffset = reader.ReadUInt32();
+        }
+    }
+
+    public class MotionNeighborList
+    {
+        public uint[] m_NeighborArray;
+
+        public MotionNeighborList(ObjectReader reader)
+        {
+            m_NeighborArray = reader.ReadUInt32Array();
+        }
+    }
+
+    public class Blend2dDataConstant
+    {
+        public Vector2[] m_ChildPositionArray;
+        public float[] m_ChildMagnitudeArray;
+        public Vector2[] m_ChildPairVectorArray;
+        public float[] m_ChildPairAvgMagInvArray;
+        public MotionNeighborList[] m_ChildNeighborListArray;
+
+        public Blend2dDataConstant(ObjectReader reader)
+        {
+            m_ChildPositionArray = reader.ReadVector2Array();
+            m_ChildMagnitudeArray = reader.ReadSingleArray();
+            m_ChildPairVectorArray = reader.ReadVector2Array();
+            m_ChildPairAvgMagInvArray = reader.ReadSingleArray();
+
+            int numNeighbours = reader.ReadInt32();
+            m_ChildNeighborListArray = new MotionNeighborList[numNeighbours];
+            for (int i = 0; i < numNeighbours; i++)
+            {
+                m_ChildNeighborListArray[i] = new MotionNeighborList(reader);
+            }
+        }
+    }
+
+    public class Blend1dDataConstant // wrong labeled
+    {
+        public float[] m_ChildThresholdArray;
+
+        public Blend1dDataConstant(ObjectReader reader)
+        {
+            m_ChildThresholdArray = reader.ReadSingleArray();
+        }
+    }
+
+    public class BlendDirectDataConstant
+    {
+        public uint[] m_ChildBlendEventIDArray;
+        public bool m_NormalizedBlendValues;
+
+        public BlendDirectDataConstant(ObjectReader reader)
+        {
+            m_ChildBlendEventIDArray = reader.ReadUInt32Array();
+            m_NormalizedBlendValues = reader.ReadBoolean();
+            reader.AlignStream();
+        }
+    }
+
+    public class BlendTreeNodeConstant
+    {
+        public uint m_BlendType;
+        public uint m_BlendEventID;
+        public uint m_BlendEventYID;
+        public uint[] m_ChildIndices;
+        public float[] m_ChildThresholdArray;
+        public Blend1dDataConstant m_Blend1dData;
+        public Blend2dDataConstant m_Blend2dData;
+        public BlendDirectDataConstant m_BlendDirectData;
+        public uint m_ClipID;
+        public uint m_ClipIndex;
+        public float m_Duration;
+        public float m_CycleOffset;
+        public bool m_Mirror;
+
+        public BlendTreeNodeConstant(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 1)) //4.1 and up
+            {
+                m_BlendType = reader.ReadUInt32();
+            }
+            m_BlendEventID = reader.ReadUInt32();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 1)) //4.1 and up
+            {
+                m_BlendEventYID = reader.ReadUInt32();
+            }
+            m_ChildIndices = reader.ReadUInt32Array();
+            if (version[0] < 4 || (version[0] == 4 && version[1] < 1)) //4.1 down
+            {
+                m_ChildThresholdArray = reader.ReadSingleArray();
+            }
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 1)) //4.1 and up
+            {
+                m_Blend1dData = new Blend1dDataConstant(reader);
+                m_Blend2dData = new Blend2dDataConstant(reader);
+            }
+
+            if (version[0] >= 5) //5.0 and up
+            {
+                m_BlendDirectData = new BlendDirectDataConstant(reader);
+            }
+
+            m_ClipID = reader.ReadUInt32();
+            if (version[0] == 4 && version[1] >= 5) //4.5 - 5.0
+            {
+                m_ClipIndex = reader.ReadUInt32();
+            }
+
+            m_Duration = reader.ReadSingle();
+
+            if (version[0] > 4
+                || (version[0] == 4 && version[1] > 1)
+                || (version[0] == 4 && version[1] == 1 && version[2] >= 3)) //4.1.3 and up
+            {
+                m_CycleOffset = reader.ReadSingle();
+                m_Mirror = reader.ReadBoolean();
+                reader.AlignStream();
+            }
+        }
+    }
+
+    public class BlendTreeConstant
+    {
+        public BlendTreeNodeConstant[] m_NodeArray;
+        public ValueArrayConstant m_BlendEventArrayConstant;
+
+        public BlendTreeConstant(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            int numNodes = reader.ReadInt32();
+            m_NodeArray = new BlendTreeNodeConstant[numNodes];
+            for (int i = 0; i < numNodes; i++)
+            {
+                m_NodeArray[i] = new BlendTreeNodeConstant(reader);
+            }
+
+            if (version[0] < 4 || (version[0] == 4 && version[1] < 5)) //4.5 down
+            {
+                m_BlendEventArrayConstant = new ValueArrayConstant(reader);
+            }
+        }
+    }
+
+
+    public class StateConstant
+    {
+        public TransitionConstant[] m_TransitionConstantArray;
+        public int[] m_BlendTreeConstantIndexArray;
+        public LeafInfoConstant[] m_LeafInfoArray;
+        public BlendTreeConstant[] m_BlendTreeConstantArray;
+        public uint m_NameID;
+        public uint m_PathID;
+        public uint m_FullPathID;
+        public uint m_TagID;
+        public uint m_SpeedParamID;
+        public uint m_MirrorParamID;
+        public uint m_CycleOffsetParamID;
+        public float m_Speed;
+        public float m_CycleOffset;
+        public bool m_IKOnFeet;
+        public bool m_WriteDefaultValues;
+        public bool m_Loop;
+        public bool m_Mirror;
+
+        public StateConstant(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            int numTransistions = reader.ReadInt32();
+            m_TransitionConstantArray = new TransitionConstant[numTransistions];
+            for (int i = 0; i < numTransistions; i++)
+            {
+                m_TransitionConstantArray[i] = new TransitionConstant(reader);
+            }
+
+            m_BlendTreeConstantIndexArray = reader.ReadInt32Array();
+
+            if (version[0] < 5 || (version[0] == 5 && version[1] < 2)) //5.2 down
+            {
+                int numInfos = reader.ReadInt32();
+                m_LeafInfoArray = new LeafInfoConstant[numInfos];
+                for (int i = 0; i < numInfos; i++)
+                {
+                    m_LeafInfoArray[i] = new LeafInfoConstant(reader);
+                }
+            }
+
+            int numBlends = reader.ReadInt32();
+            m_BlendTreeConstantArray = new BlendTreeConstant[numBlends];
+            for (int i = 0; i < numBlends; i++)
+            {
+                m_BlendTreeConstantArray[i] = new BlendTreeConstant(reader);
+            }
+
+            m_NameID = reader.ReadUInt32();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                m_PathID = reader.ReadUInt32();
+            }
+            if (version[0] >= 5) //5.0 and up
+            {
+                m_FullPathID = reader.ReadUInt32();
+            }
+
+            m_TagID = reader.ReadUInt32();
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 1)) //5.1 and up
+            {
+                m_SpeedParamID = reader.ReadUInt32();
+                m_MirrorParamID = reader.ReadUInt32();
+                m_CycleOffsetParamID = reader.ReadUInt32();
+            }
+
+            if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 2)) //2017.2 and up
+            {
+                var m_TimeParamID = reader.ReadUInt32();
+            }
+
+            m_Speed = reader.ReadSingle();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 1)) //4.1 and up
+            {
+                m_CycleOffset = reader.ReadSingle();
+            }
+            m_IKOnFeet = reader.ReadBoolean();
+            if (version[0] >= 5) //5.0 and up
+            {
+                m_WriteDefaultValues = reader.ReadBoolean();
+            }
+
+            m_Loop = reader.ReadBoolean();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 1)) //4.1 and up
+            {
+                m_Mirror = reader.ReadBoolean();
+            }
+
+            reader.AlignStream();
+        }
+    }
+
+    public class SelectorTransitionConstant
+    {
+        public uint m_Destination;
+        public ConditionConstant[] m_ConditionConstantArray;
+
+        public SelectorTransitionConstant(ObjectReader reader)
+        {
+            m_Destination = reader.ReadUInt32();
+
+            int numConditions = reader.ReadInt32();
+            m_ConditionConstantArray = new ConditionConstant[numConditions];
+            for (int i = 0; i < numConditions; i++)
+            {
+                m_ConditionConstantArray[i] = new ConditionConstant(reader);
+            }
+        }
+    }
+
+    public class SelectorStateConstant
+    {
+        public SelectorTransitionConstant[] m_TransitionConstantArray;
+        public uint m_FullPathID;
+        public bool m_isEntry;
+
+        public SelectorStateConstant(ObjectReader reader)
+        {
+            int numTransitions = reader.ReadInt32();
+            m_TransitionConstantArray = new SelectorTransitionConstant[numTransitions];
+            for (int i = 0; i < numTransitions; i++)
+            {
+                m_TransitionConstantArray[i] = new SelectorTransitionConstant(reader);
+            }
+
+            m_FullPathID = reader.ReadUInt32();
+            m_isEntry = reader.ReadBoolean();
+            reader.AlignStream();
+        }
+    }
+
+    public class StateMachineConstant
+    {
+        public StateConstant[] m_StateConstantArray;
+        public TransitionConstant[] m_AnyStateTransitionConstantArray;
+        public SelectorStateConstant[] m_SelectorStateConstantArray;
+        public uint m_DefaultState;
+        public uint m_MotionSetCount;
+
+        public StateMachineConstant(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            int numStates = reader.ReadInt32();
+            m_StateConstantArray = new StateConstant[numStates];
+            for (int i = 0; i < numStates; i++)
+            {
+                m_StateConstantArray[i] = new StateConstant(reader);
+            }
+
+            int numAnyStates = reader.ReadInt32();
+            m_AnyStateTransitionConstantArray = new TransitionConstant[numAnyStates];
+            for (int i = 0; i < numAnyStates; i++)
+            {
+                m_AnyStateTransitionConstantArray[i] = new TransitionConstant(reader);
+            }
+
+            if (version[0] >= 5) //5.0 and up
+            {
+                int numSelectors = reader.ReadInt32();
+                m_SelectorStateConstantArray = new SelectorStateConstant[numSelectors];
+                for (int i = 0; i < numSelectors; i++)
+                {
+                    m_SelectorStateConstantArray[i] = new SelectorStateConstant(reader);
+                }
+            }
+
+            m_DefaultState = reader.ReadUInt32();
+            m_MotionSetCount = reader.ReadUInt32();
+        }
+    }
+
+    public class ValueArray
+    {
+        public bool[] m_BoolValues;
+        public int[] m_IntValues;
+        public float[] m_FloatValues;
+        public Vector4[] m_VectorValues;
+        public Vector3[] m_PositionValues;
+        public Vector4[] m_QuaternionValues;
+        public Vector3[] m_ScaleValues;
+
+        public ValueArray(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            if (version[0] < 5 || (version[0] == 5 && version[1] < 5)) //5.5 down
+            {
+                m_BoolValues = reader.ReadBooleanArray();
+                reader.AlignStream();
+                m_IntValues = reader.ReadInt32Array();
+                m_FloatValues = reader.ReadSingleArray();
+            }
+
+            if (version[0] < 4 || (version[0] == 4 && version[1] < 3)) //4.3 down
+            {
+                m_VectorValues = reader.ReadVector4Array();
+            }
+            else
+            {
+                int numPosValues = reader.ReadInt32();
+                m_PositionValues = new Vector3[numPosValues];
+                for (int i = 0; i < numPosValues; i++)
+                {
+                    m_PositionValues[i] = version[0] > 5 || (version[0] == 5 && version[1] >= 4) ? reader.ReadVector3() : (Vector3)reader.ReadVector4(); //5.4 and up
+                }
+
+                m_QuaternionValues = reader.ReadVector4Array();
+
+                int numScaleValues = reader.ReadInt32();
+                m_ScaleValues = new Vector3[numScaleValues];
+                for (int i = 0; i < numScaleValues; i++)
+                {
+                    m_ScaleValues[i] = version[0] > 5 || (version[0] == 5 && version[1] >= 4) ? reader.ReadVector3() : (Vector3)reader.ReadVector4(); //5.4 and up
+                }
+
+                if (version[0] > 5 || (version[0] == 5 && version[1] >= 5)) //5.5 and up
+                {
+                    m_FloatValues = reader.ReadSingleArray();
+                    m_IntValues = reader.ReadInt32Array();
+                    m_BoolValues = reader.ReadBooleanArray();
+                    reader.AlignStream();
+                }
+            }
+        }
+    }
+
+    public class ControllerConstant
+    {
+        public LayerConstant[] m_LayerArray;
+        public StateMachineConstant[] m_StateMachineArray;
+        public ValueArrayConstant m_Values;
+        public ValueArray m_DefaultValues;
+
+        public ControllerConstant(ObjectReader reader)
+        {
+            int numLayers = reader.ReadInt32();
+            m_LayerArray = new LayerConstant[numLayers];
+            for (int i = 0; i < numLayers; i++)
+            {
+                m_LayerArray[i] = new LayerConstant(reader);
+            }
+
+            int numStates = reader.ReadInt32();
+            m_StateMachineArray = new StateMachineConstant[numStates];
+            for (int i = 0; i < numStates; i++)
+            {
+                m_StateMachineArray[i] = new StateMachineConstant(reader);
+            }
+
+            m_Values = new ValueArrayConstant(reader);
+            m_DefaultValues = new ValueArray(reader);
+        }
+    }
+
+    public sealed class AnimatorController : RuntimeAnimatorController
+    {
+        public PPtr<AnimationClip>[] m_AnimationClips;
+
+        public AnimatorController(ObjectReader reader) : base(reader)
+        {
+            var m_ControllerSize = reader.ReadUInt32();
+            var m_Controller = new ControllerConstant(reader);
+
+            int tosSize = reader.ReadInt32();
+            var m_TOS = new Dictionary<uint, string>(tosSize);
+            for (int i = 0; i < tosSize; i++)
+            {
+                m_TOS.Add(reader.ReadUInt32(), reader.ReadAlignedString());
+            }
+
+            int numClips = reader.ReadInt32();
+            m_AnimationClips = new PPtr<AnimationClip>[numClips];
+            for (int i = 0; i < numClips; i++)
+            {
+                m_AnimationClips[i] = new PPtr<AnimationClip>(reader);
+            }
+        }
+
+        public override bool IsContainsAnimationClip(AnimationClip clip)
+        {
+            foreach (PPtr<AnimationClip> ptr in m_AnimationClips)
+            {
+                if (ptr.TryGet(out var animationClip) && animationClip.Equals(clip))
+                {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+}

AssetStudio/Classes/AnimatorOverrideController.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class AnimationClipOverride
+    {
+        public PPtr<AnimationClip> m_OriginalClip;
+        public PPtr<AnimationClip> m_OverrideClip;
+
+        public AnimationClipOverride(ObjectReader reader)
+        {
+            m_OriginalClip = new PPtr<AnimationClip>(reader);
+            m_OverrideClip = new PPtr<AnimationClip>(reader);
+        }
+    }
+
+    public sealed class AnimatorOverrideController : RuntimeAnimatorController
+    {
+        public PPtr<RuntimeAnimatorController> m_Controller;
+        public AnimationClipOverride[] m_Clips;
+
+        public AnimatorOverrideController(ObjectReader reader) : base(reader)
+        {
+            m_Controller = new PPtr<RuntimeAnimatorController>(reader);
+
+            int numOverrides = reader.ReadInt32();
+            m_Clips = new AnimationClipOverride[numOverrides];
+            for (int i = 0; i < numOverrides; i++)
+            {
+                m_Clips[i] = new AnimationClipOverride(reader);
+            }
+        }
+
+        public override bool IsContainsAnimationClip(AnimationClip clip)
+        {
+            AnimationClip animationClip;
+            foreach (AnimationClipOverride overClip in m_Clips)
+            {
+                if (overClip.m_OriginalClip.TryGet(out animationClip) && animationClip.Equals(clip))
+                {
+                    return true;
+                }
+                else if (overClip.m_OverrideClip.TryGet(out animationClip) && animationClip.Equals(clip))
+                {
+                    return true;
+                }
+            }
+            if (m_Controller.TryGet(out var baseController))
+            {
+                return baseController.IsContainsAnimationClip(clip);
+            }
+            return false;
+        }
+    }
+}

AssetStudio/Classes/AssetBundle.cs

@@ -0,0 +1,94 @@
+using Newtonsoft.Json;
+using System.Collections.Generic;
+
+namespace AssetStudio
+{
+    public class AssetInfo
+    {
+        public int preloadIndex;
+        public int preloadSize;
+        public PPtr<Object> asset;
+
+        public AssetInfo(ObjectReader reader)
+        {
+            preloadIndex = reader.ReadInt32();
+            preloadSize = reader.ReadInt32();
+            asset = new PPtr<Object>(reader);
+        }
+    }
+
+    public sealed class AssetBundle : NamedObject
+    {
+        public static bool Exportable;
+
+        public PPtr<Object>[] PreloadTable;
+        public KeyValuePair<string, AssetInfo>[] Container;
+        public AssetInfo MainAsset;
+        public uint RuntimeComaptability;
+        public string AssetBundleName;
+        public int DependencyCount;
+        public string[] Dependencies;
+        public bool IsStreamedScenessetBundle;
+        public int ExplicitDataLayout;
+        public int PathFlags;
+        public int SceneHashCount;
+        public KeyValuePair<string, string>[] SceneHashes;
+
+        public AssetBundle(ObjectReader reader) : base(reader)
+        {
+            var m_PreloadTableSize = reader.ReadInt32();
+            PreloadTable = new PPtr<Object>[m_PreloadTableSize];
+            for (int i = 0; i < m_PreloadTableSize; i++)
+            {
+                PreloadTable[i] = new PPtr<Object>(reader);
+            }
+
+            var m_ContainerSize = reader.ReadInt32();
+            Container = new KeyValuePair<string, AssetInfo>[m_ContainerSize];
+            for (int i = 0; i < m_ContainerSize; i++)
+            {
+                Container[i] = new KeyValuePair<string, AssetInfo>(reader.ReadAlignedString(), new AssetInfo(reader));
+            }
+
+            if (reader.Game.Name == "GI" || reader.Game.Name == "GI_CB1" || reader.Game.Name == "GI_CB2" || reader.Game.Name == "GI_CB3")
+            {
+                MainAsset = new AssetInfo(reader);
+                RuntimeComaptability = reader.ReadUInt32();
+            }
+
+            AssetBundleName = reader.ReadAlignedString();
+            DependencyCount = reader.ReadInt32();
+            Dependencies = new string[DependencyCount];
+            for (int k = 0; k < DependencyCount; k++)
+            {
+                Dependencies[k] = reader.ReadAlignedString();
+            }
+            if (reader.Game.Name == "GI_CB1" || reader.Game.Name == "GI_CB2")
+            {
+                IsStreamedScenessetBundle = reader.ReadBoolean();
+                reader.AlignStream();
+                PathFlags = reader.ReadInt32();
+            }
+            else if (reader.Game.Name == "GI_CB3")
+            {
+                IsStreamedScenessetBundle = reader.ReadBoolean();
+                reader.AlignStream();
+                ExplicitDataLayout = reader.ReadInt32();
+                PathFlags = reader.ReadInt32();
+            }
+            else if (reader.Game.Name == "GI")
+            {
+                IsStreamedScenessetBundle = reader.ReadBoolean();
+                reader.AlignStream();
+                ExplicitDataLayout = reader.ReadInt32();
+                PathFlags = reader.ReadInt32();
+                SceneHashCount = reader.ReadInt32();
+                SceneHashes = new KeyValuePair<string, string>[SceneHashCount];
+                for (int l = 0; l < SceneHashCount; l++)
+                {
+                    SceneHashes[l] = new KeyValuePair<string, string>(reader.ReadAlignedString(), reader.ReadAlignedString());
+                }
+            }
+        }
+    }
+}

AssetStudio/Classes/AudioClip.cs

@@ -0,0 +1,142 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class AudioClip : NamedObject
+    {
+        public int m_Format;
+        public FMODSoundType m_Type;
+        public bool m_3D;
+        public bool m_UseHardware;
+
+        //version 5
+        public int m_LoadType;
+        public int m_Channels;
+        public int m_Frequency;
+        public int m_BitsPerSample;
+        public float m_Length;
+        public bool m_IsTrackerFormat;
+        public int m_SubsoundIndex;
+        public bool m_PreloadAudioData;
+        public bool m_LoadInBackground;
+        public bool m_Legacy3D;
+        public AudioCompressionFormat m_CompressionFormat;
+
+        public string m_Source;
+        public long m_Offset; //ulong
+        public long m_Size; //ulong
+        public ResourceReader m_AudioData;
+
+        public AudioClip(ObjectReader reader) : base(reader)
+        {
+            if (version[0] < 5)
+            {
+                m_Format = reader.ReadInt32();
+                m_Type = (FMODSoundType)reader.ReadInt32();
+                m_3D = reader.ReadBoolean();
+                m_UseHardware = reader.ReadBoolean();
+                reader.AlignStream();
+
+                if (version[0] >= 4 || (version[0] == 3 && version[1] >= 2)) //3.2.0 to 5
+                {
+                    int m_Stream = reader.ReadInt32();
+                    m_Size = reader.ReadInt32();
+                    var tsize = m_Size % 4 != 0 ? m_Size + 4 - m_Size % 4 : m_Size;
+                    if (reader.byteSize + reader.byteStart - reader.Position != tsize)
+                    {
+                        m_Offset = reader.ReadUInt32();
+                        m_Source = assetsFile.fullName + ".resS";
+                    }
+                }
+                else
+                {
+                    m_Size = reader.ReadInt32();
+                }
+            }
+            else
+            {
+                m_LoadType = reader.ReadInt32();
+                m_Channels = reader.ReadInt32();
+                m_Frequency = reader.ReadInt32();
+                m_BitsPerSample = reader.ReadInt32();
+                m_Length = reader.ReadSingle();
+                m_IsTrackerFormat = reader.ReadBoolean();
+                reader.AlignStream();
+                m_SubsoundIndex = reader.ReadInt32();
+                m_PreloadAudioData = reader.ReadBoolean();
+                m_LoadInBackground = reader.ReadBoolean();
+                m_Legacy3D = reader.ReadBoolean();
+                reader.AlignStream();
+
+                //StreamedResource m_Resource
+                m_Source = reader.ReadAlignedString();
+                m_Offset = reader.ReadInt64();
+                m_Size = reader.ReadInt64();
+                m_CompressionFormat = (AudioCompressionFormat)reader.ReadInt32();
+            }
+
+            ResourceReader resourceReader;
+            if (!string.IsNullOrEmpty(m_Source))
+            {
+                resourceReader = new ResourceReader(m_Source, assetsFile, m_Offset, m_Size);
+            }
+            else
+            {
+                resourceReader = new ResourceReader(reader, reader.BaseStream.Position, m_Size);
+            }
+            m_AudioData = resourceReader;
+        }
+    }
+
+    public enum FMODSoundType
+    {
+        UNKNOWN = 0,
+        ACC = 1,
+        AIFF = 2,
+        ASF = 3,
+        AT3 = 4,
+        CDDA = 5,
+        DLS = 6,
+        FLAC = 7,
+        FSB = 8,
+        GCADPCM = 9,
+        IT = 10,
+        MIDI = 11,
+        MOD = 12,
+        MPEG = 13,
+        OGGVORBIS = 14,
+        PLAYLIST = 15,
+        RAW = 16,
+        S3M = 17,
+        SF2 = 18,
+        USER = 19,
+        WAV = 20,
+        XM = 21,
+        XMA = 22,
+        VAG = 23,
+        AUDIOQUEUE = 24,
+        XWMA = 25,
+        BCWAV = 26,
+        AT9 = 27,
+        VORBIS = 28,
+        MEDIA_FOUNDATION = 29
+    }
+
+    public enum AudioCompressionFormat
+    {
+        PCM = 0,
+        Vorbis = 1,
+        ADPCM = 2,
+        MP3 = 3,
+        PSMVAG = 4,
+        HEVAG = 5,
+        XMA = 6,
+        AAC = 7,
+        GCADPCM = 8,
+        ATRAC9 = 9
+    }
+}

AssetStudio/Classes/Avatar.cs

@@ -0,0 +1,313 @@
+using System.Collections.Generic;
+using System.Linq;
+
+namespace AssetStudio
+{
+    public class Node
+    {
+        public int m_ParentId;
+        public int m_AxesId;
+
+        public Node(ObjectReader reader)
+        {
+            m_ParentId = reader.ReadInt32();
+            m_AxesId = reader.ReadInt32();
+        }
+    }
+
+    public class Limit
+    {
+        public object m_Min;
+        public object m_Max;
+
+        public Limit(ObjectReader reader)
+        {
+            var version = reader.version;
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 4))//5.4 and up
+            {
+                m_Min = reader.ReadVector3();
+                m_Max = reader.ReadVector3();
+            }
+            else
+            {
+                m_Min = reader.ReadVector4();
+                m_Max = reader.ReadVector4();
+            }
+        }
+    }
+
+    public class Axes
+    {
+        public Vector4 m_PreQ;
+        public Vector4 m_PostQ;
+        public object m_Sgn;
+        public Limit m_Limit;
+        public float m_Length;
+        public uint m_Type;
+
+        public Axes(ObjectReader reader)
+        {
+            var version = reader.version;
+            m_PreQ = reader.ReadVector4();
+            m_PostQ = reader.ReadVector4();
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 4)) //5.4 and up
+            {
+                m_Sgn = reader.ReadVector3();
+            }
+            else
+            {
+                m_Sgn = reader.ReadVector4();
+            }
+            m_Limit = new Limit(reader);
+            m_Length = reader.ReadSingle();
+            m_Type = reader.ReadUInt32();
+        }
+    }
+
+    public class Skeleton
+    {
+        public Node[] m_Node;
+        public uint[] m_ID;
+        public Axes[] m_AxesArray;
+
+
+        public Skeleton(ObjectReader reader)
+        {
+            int numNodes = reader.ReadInt32();
+            m_Node = new Node[numNodes];
+            for (int i = 0; i < numNodes; i++)
+            {
+                m_Node[i] = new Node(reader);
+            }
+
+            m_ID = reader.ReadUInt32Array();
+
+            int numAxes = reader.ReadInt32();
+            m_AxesArray = new Axes[numAxes];
+            for (int i = 0; i < numAxes; i++)
+            {
+                m_AxesArray[i] = new Axes(reader);
+            }
+        }
+    }
+
+    public class SkeletonPose
+    {
+        public xform[] m_X;
+
+        public SkeletonPose(ObjectReader reader)
+        {
+            int numXforms = reader.ReadInt32();
+            m_X = new xform[numXforms];
+            for (int i = 0; i < numXforms; i++)
+            {
+                m_X[i] = new xform(reader);
+            }
+        }
+    }
+
+    public class Hand
+    {
+        public int[] m_HandBoneIndex;
+
+        public Hand(ObjectReader reader)
+        {
+            m_HandBoneIndex = reader.ReadInt32Array();
+        }
+    }
+
+    public class Handle
+    {
+        public xform m_X;
+        public uint m_ParentHumanIndex;
+        public uint m_ID;
+
+        public Handle(ObjectReader reader)
+        {
+            m_X = new xform(reader);
+            m_ParentHumanIndex = reader.ReadUInt32();
+            m_ID = reader.ReadUInt32();
+        }
+    }
+
+    public class Collider
+    {
+        public xform m_X;
+        public uint m_Type;
+        public uint m_XMotionType;
+        public uint m_YMotionType;
+        public uint m_ZMotionType;
+        public float m_MinLimitX;
+        public float m_MaxLimitX;
+        public float m_MaxLimitY;
+        public float m_MaxLimitZ;
+
+        public Collider(ObjectReader reader)
+        {
+            m_X = new xform(reader);
+            m_Type = reader.ReadUInt32();
+            m_XMotionType = reader.ReadUInt32();
+            m_YMotionType = reader.ReadUInt32();
+            m_ZMotionType = reader.ReadUInt32();
+            m_MinLimitX = reader.ReadSingle();
+            m_MaxLimitX = reader.ReadSingle();
+            m_MaxLimitY = reader.ReadSingle();
+            m_MaxLimitZ = reader.ReadSingle();
+        }
+    }
+
+    public class Human
+    {
+        public xform m_RootX;
+        public Skeleton m_Skeleton;
+        public SkeletonPose m_SkeletonPose;
+        public Hand m_LeftHand;
+        public Hand m_RightHand;
+        public Handle[] m_Handles;
+        public Collider[] m_ColliderArray;
+        public int[] m_HumanBoneIndex;
+        public float[] m_HumanBoneMass;
+        public int[] m_ColliderIndex;
+        public float m_Scale;
+        public float m_ArmTwist;
+        public float m_ForeArmTwist;
+        public float m_UpperLegTwist;
+        public float m_LegTwist;
+        public float m_ArmStretch;
+        public float m_LegStretch;
+        public float m_FeetSpacing;
+        public bool m_HasLeftHand;
+        public bool m_HasRightHand;
+        public bool m_HasTDoF;
+
+        public Human(ObjectReader reader)
+        {
+            var version = reader.version;
+            m_RootX = new xform(reader);
+            m_Skeleton = new Skeleton(reader);
+            m_SkeletonPose = new SkeletonPose(reader);
+            m_LeftHand = new Hand(reader);
+            m_RightHand = new Hand(reader);
+
+            if (version[0] < 2018 || (version[0] == 2018 && version[1] < 2)) //2018.2 down
+            {
+                int numHandles = reader.ReadInt32();
+                m_Handles = new Handle[numHandles];
+                for (int i = 0; i < numHandles; i++)
+                {
+                    m_Handles[i] = new Handle(reader);
+                }
+
+                int numColliders = reader.ReadInt32();
+                m_ColliderArray = new Collider[numColliders];
+                for (int i = 0; i < numColliders; i++)
+                {
+                    m_ColliderArray[i] = new Collider(reader);
+                }
+            }
+
+            m_HumanBoneIndex = reader.ReadInt32Array();
+
+            m_HumanBoneMass = reader.ReadSingleArray();
+
+            if (version[0] < 2018 || (version[0] == 2018 && version[1] < 2)) //2018.2 down
+            {
+                m_ColliderIndex = reader.ReadInt32Array();
+            }
+
+            m_Scale = reader.ReadSingle();
+            m_ArmTwist = reader.ReadSingle();
+            m_ForeArmTwist = reader.ReadSingle();
+            m_UpperLegTwist = reader.ReadSingle();
+            m_LegTwist = reader.ReadSingle();
+            m_ArmStretch = reader.ReadSingle();
+            m_LegStretch = reader.ReadSingle();
+            m_FeetSpacing = reader.ReadSingle();
+            m_HasLeftHand = reader.ReadBoolean();
+            m_HasRightHand = reader.ReadBoolean();
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 2)) //5.2 and up
+            {
+                m_HasTDoF = reader.ReadBoolean();
+            }
+            reader.AlignStream();
+        }
+    }
+
+    public class AvatarConstant
+    {
+        public Skeleton m_AvatarSkeleton;
+        public SkeletonPose m_AvatarSkeletonPose;
+        public SkeletonPose m_DefaultPose;
+        public uint[] m_SkeletonNameIDArray;
+        public Human m_Human;
+        public int[] m_HumanSkeletonIndexArray;
+        public int[] m_HumanSkeletonReverseIndexArray;
+        public int m_RootMotionBoneIndex;
+        public xform m_RootMotionBoneX;
+        public Skeleton m_RootMotionSkeleton;
+        public SkeletonPose m_RootMotionSkeletonPose;
+        public int[] m_RootMotionSkeletonIndexArray;
+
+        public AvatarConstant(ObjectReader reader)
+        {
+            var version = reader.version;
+            m_AvatarSkeleton = new Skeleton(reader);
+            m_AvatarSkeletonPose = new SkeletonPose(reader);
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                m_DefaultPose = new SkeletonPose(reader);
+
+                m_SkeletonNameIDArray = reader.ReadUInt32Array();
+            }
+
+            m_Human = new Human(reader);
+
+            m_HumanSkeletonIndexArray = reader.ReadInt32Array();
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                m_HumanSkeletonReverseIndexArray = reader.ReadInt32Array();
+            }
+
+            m_RootMotionBoneIndex = reader.ReadInt32();
+            m_RootMotionBoneX = new xform(reader);
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                m_RootMotionSkeleton = new Skeleton(reader);
+                m_RootMotionSkeletonPose = new SkeletonPose(reader);
+
+                m_RootMotionSkeletonIndexArray = reader.ReadInt32Array();
+            }
+        }
+    }
+
+    public sealed class Avatar : NamedObject
+    {
+        public uint m_AvatarSize;
+        public AvatarConstant m_Avatar;
+        public Dictionary<uint, string> m_TOS;
+
+        public Avatar(ObjectReader reader) : base(reader)
+        {
+            m_AvatarSize = reader.ReadUInt32();
+            m_Avatar = new AvatarConstant(reader);
+
+            int numTOS = reader.ReadInt32();
+            m_TOS = new Dictionary<uint, string>(numTOS);
+            for (int i = 0; i < numTOS; i++)
+            {
+                m_TOS.Add(reader.ReadUInt32(), reader.ReadAlignedString());
+            }
+
+            //HumanDescription m_HumanDescription 2019 and up
+        }
+
+        public string FindBonePath(uint hash)
+        {
+            m_TOS.TryGetValue(hash, out string path);
+            return path;
+        }
+    }
+}

AssetStudio/Classes/Behaviour.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public abstract class Behaviour : Component
+    {
+        public byte m_Enabled;
+
+        protected Behaviour(ObjectReader reader) : base(reader)
+        {
+            m_Enabled = reader.ReadByte();
+            reader.AlignStream();
+        }
+    }
+}

AssetStudio/Classes/BuildSettings.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class BuildSettings : Object
+    {
+        public string m_Version;
+
+        public BuildSettings(ObjectReader reader) : base(reader)
+        {
+            var levels = reader.ReadStringArray();
+
+            var hasRenderTexture = reader.ReadBoolean();
+            var hasPROVersion = reader.ReadBoolean();
+            var hasPublishingRights = reader.ReadBoolean();
+            var hasShadows = reader.ReadBoolean();
+
+            m_Version = reader.ReadAlignedString();
+        }
+    }
+}

AssetStudio/Classes/Component.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public abstract class Component : EditorExtension
+    {
+        public PPtr<GameObject> m_GameObject;
+
+        protected Component(ObjectReader reader) : base(reader)
+        {
+            m_GameObject = new PPtr<GameObject>(reader);
+        }
+    }
+}

AssetStudio/Classes/EditorExtension.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public abstract class EditorExtension : Object
+    {
+        protected EditorExtension(ObjectReader reader) : base(reader)
+        {
+            if (platform == BuildTarget.NoTarget)
+            {
+                var m_PrefabParentObject = new PPtr<EditorExtension>(reader);
+                var m_PrefabInternal = new PPtr<Object>(reader); //PPtr<Prefab>
+            }
+        }
+    }
+}

AssetStudio/Classes/Font.cs

@@ -0,0 +1,121 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class Font : NamedObject
+    {
+        public byte[] m_FontData;
+
+        public Font(ObjectReader reader) : base(reader)
+        {
+            if ((version[0] == 5 && version[1] >= 5) || version[0] > 5)//5.5 and up
+            {
+                var m_LineSpacing = reader.ReadSingle();
+                var m_DefaultMaterial = new PPtr<Material>(reader);
+                var m_FontSize = reader.ReadSingle();
+                var m_Texture = new PPtr<Texture>(reader);
+                int m_AsciiStartOffset = reader.ReadInt32();
+                var m_Tracking = reader.ReadSingle();
+                var m_CharacterSpacing = reader.ReadInt32();
+                var m_CharacterPadding = reader.ReadInt32();
+                var m_ConvertCase = reader.ReadInt32();
+                int m_CharacterRects_size = reader.ReadInt32();
+                for (int i = 0; i < m_CharacterRects_size; i++)
+                {
+                    reader.Position += 44;//CharacterInfo data 41
+                }
+                int m_KerningValues_size = reader.ReadInt32();
+                for (int i = 0; i < m_KerningValues_size; i++)
+                {
+                    reader.Position += 8;
+                }
+                var m_PixelScale = reader.ReadSingle();
+                int m_FontData_size = reader.ReadInt32();
+                if (m_FontData_size > 0)
+                {
+                    m_FontData = reader.ReadBytes(m_FontData_size);
+                }
+            }
+            else
+            {
+                int m_AsciiStartOffset = reader.ReadInt32();
+
+                if (version[0] <= 3)
+                {
+                    int m_FontCountX = reader.ReadInt32();
+                    int m_FontCountY = reader.ReadInt32();
+                }
+
+                float m_Kerning = reader.ReadSingle();
+                float m_LineSpacing = reader.ReadSingle();
+
+                if (version[0] <= 3)
+                {
+                    int m_PerCharacterKerning_size = reader.ReadInt32();
+                    for (int i = 0; i < m_PerCharacterKerning_size; i++)
+                    {
+                        int first = reader.ReadInt32();
+                        float second = reader.ReadSingle();
+                    }
+                }
+                else
+                {
+                    int m_CharacterSpacing = reader.ReadInt32();
+                    int m_CharacterPadding = reader.ReadInt32();
+                }
+
+                int m_ConvertCase = reader.ReadInt32();
+                var m_DefaultMaterial = new PPtr<Material>(reader);
+
+                int m_CharacterRects_size = reader.ReadInt32();
+                for (int i = 0; i < m_CharacterRects_size; i++)
+                {
+                    int index = reader.ReadInt32();
+                    //Rectf uv
+                    float uvx = reader.ReadSingle();
+                    float uvy = reader.ReadSingle();
+                    float uvwidth = reader.ReadSingle();
+                    float uvheight = reader.ReadSingle();
+                    //Rectf vert
+                    float vertx = reader.ReadSingle();
+                    float verty = reader.ReadSingle();
+                    float vertwidth = reader.ReadSingle();
+                    float vertheight = reader.ReadSingle();
+                    float width = reader.ReadSingle();
+
+                    if (version[0] >= 4)
+                    {
+                        var flipped = reader.ReadBoolean();
+                        reader.AlignStream();
+                    }
+                }
+
+                var m_Texture = new PPtr<Texture>(reader);
+
+                int m_KerningValues_size = reader.ReadInt32();
+                for (int i = 0; i < m_KerningValues_size; i++)
+                {
+                    int pairfirst = reader.ReadInt16();
+                    int pairsecond = reader.ReadInt16();
+                    float second = reader.ReadSingle();
+                }
+
+                if (version[0] <= 3)
+                {
+                    var m_GridFont = reader.ReadBoolean();
+                    reader.AlignStream();
+                }
+                else { float m_PixelScale = reader.ReadSingle(); }
+
+                int m_FontData_size = reader.ReadInt32();
+                if (m_FontData_size > 0)
+                {
+                    m_FontData = reader.ReadBytes(m_FontData_size);
+                }
+            }
+        }
+    }
+}

AssetStudio/Classes/GameObject.cs

@@ -0,0 +1,101 @@
+using SevenZip;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class GameObject : EditorExtension
+    {
+        public PPtr<Component>[] m_Components;
+        public string m_Name;
+        public uint m_Tag;
+        public bool m_IsActive;
+
+        public Transform m_Transform;
+        public MeshRenderer m_MeshRenderer;
+        public MeshFilter m_MeshFilter;
+        public SkinnedMeshRenderer m_SkinnedMeshRenderer;
+        public Animator m_Animator;
+        public Animation m_Animation;
+
+        public GameObject(ObjectReader reader) : base(reader)
+        {
+            int m_Component_size = reader.ReadInt32();
+            m_Components = new PPtr<Component>[m_Component_size];
+            for (int i = 0; i < m_Component_size; i++)
+            {
+                if ((version[0] == 5 && version[1] < 5) || version[0] < 5) //5.5 down
+                {
+                    int first = reader.ReadInt32();
+                }
+                m_Components[i] = new PPtr<Component>(reader);
+            }
+
+            var m_Layer = reader.ReadInt32();
+            m_Name = reader.ReadAlignedString();
+            m_Tag = reader.ReadUInt16();
+            m_IsActive = reader.ReadBoolean();
+        }
+        public Transform GetTransform()
+        {
+            foreach (PPtr<Component> ptr in FetchComponents())
+            {
+                if (!ptr.TryGet(out var comp))
+                {
+                    continue;
+                }
+
+                if (comp.type == ClassIDType.Transform)
+                {
+                    return comp as Transform;
+                }
+            }
+            throw new Exception("Can't find transform component");
+        }
+
+        private List<PPtr<Component>> FetchComponents()
+        {
+            return m_Components.ToList();
+        }
+
+        public T FindComponent<T>()
+            where T : Component
+        {
+            foreach (PPtr<Component> ptr in FetchComponents())
+            {
+                // component could has not impelemented asset type
+                if (ptr.TryGet(out var comp) && comp is T t) 
+                {
+                    return t;
+                }
+            }
+            return null;
+        }
+
+        public Dictionary<uint, string> BuildTOS()
+        {
+            Dictionary<uint, string> tos = new Dictionary<uint, string>() { { 0, string.Empty } };
+            BuildTOS(this, string.Empty, tos);
+            return tos;
+        }
+        private void BuildTOS(GameObject parent, string parentPath, Dictionary<uint, string> tos)
+        {
+            Transform transform = parent.GetTransform();
+            foreach (PPtr<Transform> childPtr in transform.m_Children)
+            {
+                if (childPtr.TryGet(out var childTransform))
+                {
+                    if (childTransform.m_GameObject.TryGet(out var child))
+                    {
+                        string path = parentPath != string.Empty ? parentPath + '/' + child.m_Name : child.m_Name;
+                        var pathHash = CRC.CalculateDigestUTF8(path);
+                        tos[pathHash] = path;
+                        BuildTOS(child, path, tos);
+                    }
+                }
+            }
+        }
+    }
+}

AssetStudio/Classes/IndexObject.cs

@@ -0,0 +1,43 @@
+using Newtonsoft.Json;
+using System.Collections.Generic;
+
+namespace AssetStudio
+{
+    public class Index
+    {
+        public PPtr<Object> Object;
+        public ulong Size;
+
+        public Index(ObjectReader reader)
+        {
+
+            Object = new PPtr<Object>(reader);
+            Size = reader.ReadUInt64();
+        }
+    }
+
+    public sealed class IndexObject : NamedObject
+    {
+        public static bool Exportable;
+
+        public int Count;
+        public Dictionary<string, Index> AssetMap;
+        public Dictionary<long, string> Names = new Dictionary<long, string>();
+
+        public IndexObject(ObjectReader reader) : base(reader)
+        {
+            Count = reader.ReadInt32();
+            AssetMap = new Dictionary<string, Index>(Count);
+            for (int i = 0; i < Count; i++)
+            {
+                var key = reader.ReadAlignedString();
+                var value = new Index(reader);
+
+                AssetMap.Add(key, value);
+
+                if (value.Object.m_FileID == 0)
+                    Names.Add(value.Object.m_PathID, key);
+            }
+        }
+    } 
+}

AssetStudio/Classes/Material.cs

@@ -0,0 +1,167 @@
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+using SevenZip;
+using System.Collections.Generic;
+
+namespace AssetStudio
+{
+    public class UnityTexEnv
+    {
+        public PPtr<Texture> m_Texture;
+        public Vector2 m_Scale;
+        public Vector2 m_Offset;
+
+        public UnityTexEnv(ObjectReader reader)
+        {
+            m_Texture = new PPtr<Texture>(reader);
+            m_Scale = reader.ReadVector2();
+            m_Offset = reader.ReadVector2();
+        }
+    }
+
+    public class UnityPropertySheet
+    {
+        private const string HDRPostfixName = "_HDR";
+        private const string STPostfixName = "_ST";
+        private const string TexelSizePostfixName = "_TexelSize";
+
+        public Dictionary<string, UnityTexEnv> m_TexEnvs;
+        public Dictionary<string, int> m_Ints;
+        public Dictionary<string, float> m_Floats;
+        public Dictionary<string, Color> m_Colors;
+
+        public UnityPropertySheet(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            int m_TexEnvsSize = reader.ReadInt32();
+            m_TexEnvs = new Dictionary<string, UnityTexEnv>(m_TexEnvsSize);
+            for (int i = 0; i < m_TexEnvsSize; i++)
+            {
+                m_TexEnvs.Add(reader.ReadAlignedString(), new UnityTexEnv(reader));
+            }
+
+            if (version[0] >= 2021) //2021.1 and up
+            {
+                int m_IntsSize = reader.ReadInt32();
+                m_Ints = new Dictionary<string, int>(m_IntsSize);
+                for (int i = 0; i < m_IntsSize; i++)
+                {
+                    m_Ints.Add(reader.ReadAlignedString(), reader.ReadInt32());
+                }
+            }
+
+            int m_FloatsSize = reader.ReadInt32();
+            m_Floats = new Dictionary<string, float>(m_FloatsSize);
+            for (int i = 0; i < m_FloatsSize; i++)
+            {
+                m_Floats.Add(reader.ReadAlignedString(), reader.ReadSingle());
+            }
+
+            int m_ColorsSize = reader.ReadInt32();
+            m_Colors = new Dictionary<string, Color>(m_ColorsSize);
+            for (int i = 0; i < m_ColorsSize; i++)
+            {
+                m_Colors.Add(reader.ReadAlignedString(), reader.ReadColor4());
+            }
+        }
+
+        public string FindPropertyNameByCRC28(uint crc)
+        {
+            foreach (var property in m_TexEnvs.Keys)
+            {
+                string hdrName = property + HDRPostfixName;
+                if (CRC.Verify28DigestUTF8(hdrName, crc))
+                {
+                    return hdrName;
+                }
+                string stName = property + STPostfixName;
+                if (CRC.Verify28DigestUTF8(stName, crc))
+                {
+                    return stName;
+                }
+                string texelName = property + TexelSizePostfixName;
+                if (CRC.Verify28DigestUTF8(texelName, crc))
+                {
+                    return texelName;
+                }
+            }
+            foreach (var property in m_Floats.Keys)
+            {
+                if (CRC.Verify28DigestUTF8(property, crc))
+                {
+                    return property;
+                }
+            }
+            foreach (var property in m_Colors.Keys)
+            {
+                if (CRC.Verify28DigestUTF8(property, crc))
+                {
+                    return property;
+                }
+            }
+            return null;
+        }
+    }
+
+    public sealed class Material : NamedObject
+    {
+        public PPtr<Shader> m_Shader;
+        public UnityPropertySheet m_SavedProperties;
+        public Dictionary<string, string> m_StringTagMap;
+
+        public Material(ObjectReader reader) : base(reader)
+        {
+            m_Shader = new PPtr<Shader>(reader);
+
+            if (version[0] == 4 && version[1] >= 1) //4.x
+            {
+                var m_ShaderKeywords = reader.ReadStringArray();
+            }
+
+            if (version[0] >= 5) //5.0 and up
+            {
+                var m_ShaderKeywords = reader.ReadAlignedString();
+                var m_LightmapFlags = reader.ReadUInt32();
+            }
+
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 6)) //5.6 and up
+            {
+                var m_EnableInstancingVariants = reader.ReadBoolean();
+                var m_DoubleSidedGI = reader.ReadBoolean(); //2017 and up
+                reader.AlignStream();
+            }
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                var m_CustomRenderQueue = reader.ReadInt32();
+            }
+
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 1)) //5.1 and up
+            {
+                var stringTagMapSize = reader.ReadInt32();
+                m_StringTagMap = new Dictionary<string, string>(stringTagMapSize);
+                for (int i = 0; i < stringTagMapSize; i++)
+                {
+                    var first = reader.ReadAlignedString();
+                    var second = reader.ReadAlignedString();
+                    m_StringTagMap.Add(first, second);
+                }
+            }
+
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 6)) //5.6 and up
+            {
+                var disabledShaderPasses = reader.ReadStringArray();
+            }
+
+            m_SavedProperties = new UnityPropertySheet(reader);
+
+            //vector m_BuildTextureStacks 2020 and up
+        }
+
+        public string FindPropertyNameByCRC28(uint crc)
+        {
+            return m_SavedProperties.FindPropertyNameByCRC28(crc);
+        }
+    }
+}

AssetStudio/Classes/MeshFilter.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class MeshFilter : Component
+    {
+        public PPtr<Mesh> m_Mesh;
+
+        public MeshFilter(ObjectReader reader) : base(reader)
+        {
+            m_Mesh = new PPtr<Mesh>(reader);
+        }
+    }
+}

AssetStudio/Classes/MeshRenderer.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class MeshRenderer : Renderer
+    {
+        public MeshRenderer(ObjectReader reader) : base(reader)
+        {
+            var m_AdditionalVertexStreams = new PPtr<Mesh>(reader);
+        }
+    }
+}

AssetStudio/Classes/MiHoYoBinData.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Text;
+using System.Text.RegularExpressions;
+using Newtonsoft.Json.Linq;
+using Newtonsoft.Json;
+
+namespace AssetStudio
+{
+    public enum MiHoYoBinDataType
+    {
+        None,
+        Bytes,
+        JSON
+    }
+    public sealed class MiHoYoBinData : Object
+    {
+        public static bool doXOR;
+        public static byte Key;
+        public byte[] RawData;
+
+        public byte[] Data
+        {
+            get
+            {
+                if (doXOR)
+                {
+                    byte[] bytes = new byte[RawData.Length];
+                    for (int i = 0; i < RawData.Length; i++)
+                    {
+                        bytes[i] = (byte)(RawData[i] ^ Key);
+                    }
+                    return bytes;
+                }
+                else return RawData;
+            }
+        }
+
+        public string Str
+        {
+            get
+            {
+                var str = Encoding.UTF8.GetString(Data);
+                switch (Type)
+                {
+                    case MiHoYoBinDataType.JSON:
+                        return JToken.Parse(str).ToString(Formatting.Indented);
+                    case MiHoYoBinDataType.Bytes:
+                        return Regex.Replace(str, @"[^\u0020-\u007E]", string.Empty);
+                    default:
+                        return "";
+                }
+            }
+        }
+
+        public MiHoYoBinDataType Type
+        {
+            get
+            {
+                try
+                {
+                    var str = Encoding.UTF8.GetString(Data);
+                    var asToken = JToken.Parse(str);
+                    if (asToken.Type == JTokenType.Object || asToken.Type == JTokenType.Array)
+                        return MiHoYoBinDataType.JSON;
+                }
+                catch (Exception)
+                {
+                    return MiHoYoBinDataType.Bytes;
+                }
+                return MiHoYoBinDataType.None;
+            }
+        }
+
+        public MiHoYoBinData(ObjectReader reader) : base(reader)
+        {
+            var length = reader.ReadInt32();
+            RawData = reader.ReadBytes(length);
+        }
+
+        public new dynamic Dump()
+        {
+            switch (Type)
+            {
+                case MiHoYoBinDataType.JSON:
+                    return Str;
+                case MiHoYoBinDataType.Bytes:
+                    return Data;
+                default:
+                    return null;
+            }
+        }
+    }
+}

AssetStudio/Classes/MonoBehaviour.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class MonoBehaviour : Behaviour
+    {
+        public PPtr<MonoScript> m_Script;
+        public string m_Name;
+
+        public MonoBehaviour(ObjectReader reader) : base(reader)
+        {
+            m_Script = new PPtr<MonoScript>(reader);
+            m_Name = reader.ReadAlignedString();
+        }
+    }
+}

AssetStudio/Classes/MonoScript.cs

@@ -0,0 +1,44 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class MonoScript : NamedObject
+    {
+        public string m_ClassName;
+        public string m_Namespace;
+        public string m_AssemblyName;
+
+        public MonoScript(ObjectReader reader) : base(reader)
+        {
+            if (version[0] > 3 || (version[0] == 3 && version[1] >= 4)) //3.4 and up
+            {
+                var m_ExecutionOrder = reader.ReadInt32();
+            }
+            if (version[0] < 5) //5.0 down
+            {
+                var m_PropertiesHash = reader.ReadUInt32();
+            }
+            else
+            {
+                var m_PropertiesHash = reader.ReadBytes(16);
+            }
+            if (version[0] < 3) //3.0 down
+            {
+                var m_PathName = reader.ReadAlignedString();
+            }
+            m_ClassName = reader.ReadAlignedString();
+            if (version[0] >= 3) //3.0 and up
+            {
+                m_Namespace = reader.ReadAlignedString();
+            }
+            m_AssemblyName = reader.ReadAlignedString();
+            if (version[0] < 2018 || (version[0] == 2018 && version[1] < 2)) //2018.2 down
+            {
+                var m_IsEditorScript = reader.ReadBoolean();
+            }
+        }
+    }
+}

AssetStudio/Classes/MovieTexture.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class MovieTexture : Texture
+    {
+        public byte[] m_MovieData;
+        public PPtr<AudioClip> m_AudioClip;
+
+        public MovieTexture(ObjectReader reader) : base(reader)
+        {
+            var m_Loop = reader.ReadBoolean();
+            reader.AlignStream();
+            m_AudioClip = new PPtr<AudioClip>(reader);
+            m_MovieData = reader.ReadUInt8Array();
+        }
+    }
+}

AssetStudio/Classes/NamedObject.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class NamedObject : EditorExtension
+    {
+        public string m_Name;
+
+        protected NamedObject(ObjectReader reader) : base(reader)
+        {
+            m_Name = reader.ReadAlignedString();
+        }
+    }
+}

AssetStudio/Classes/Object.cs

@@ -0,0 +1,88 @@
+using Newtonsoft.Json;
+using System.Collections.Specialized;
+
+namespace AssetStudio
+{
+    public class Object
+    {
+        [JsonIgnore]
+        public SerializedFile assetsFile;
+        [JsonIgnore]
+        public ObjectReader reader;
+        [JsonIgnore]
+        public long m_PathID;
+        [JsonIgnore]
+        public int[] version;
+        [JsonIgnore]
+        protected BuildType buildType;
+        [JsonIgnore]
+        public BuildTarget platform;
+        [JsonIgnore]
+        public ClassIDType type;
+        [JsonIgnore]
+        public SerializedType serializedType;
+        [JsonIgnore]
+        public uint byteSize;
+
+        public Object(ObjectReader reader)
+        {
+            this.reader = reader;
+            reader.Reset();
+            assetsFile = reader.assetsFile;
+            type = reader.type;
+            m_PathID = reader.m_PathID;
+            version = reader.version;
+            buildType = reader.buildType;
+            platform = reader.platform;
+            serializedType = reader.serializedType;
+            byteSize = reader.byteSize;
+
+            if (platform == BuildTarget.NoTarget)
+            {
+                var m_ObjectHideFlags = reader.ReadUInt32();
+            }
+        }
+
+        public string Dump()
+        {
+            if (serializedType?.m_Type != null)
+            {
+                return TypeTreeHelper.ReadTypeString(serializedType.m_Type, reader);
+            }
+            return null;
+        }
+
+        public string Dump(TypeTree m_Type)
+        {
+            if (m_Type != null)
+            {
+                return TypeTreeHelper.ReadTypeString(m_Type, reader);
+            }
+            return null;
+        }
+
+        public OrderedDictionary ToType()
+        {
+            if (serializedType?.m_Type != null)
+            {
+                return TypeTreeHelper.ReadType(serializedType.m_Type, reader);
+            }
+            return null;
+        }
+
+        public OrderedDictionary ToType(TypeTree m_Type)
+        {
+            if (m_Type != null)
+            {
+                return TypeTreeHelper.ReadType(m_Type, reader);
+            }
+            return null;
+        }
+
+        public byte[] GetRawData()
+        {
+            reader.Reset();
+            return reader.ReadBytes((int)byteSize);
+        }
+    }
+}

AssetStudio/Classes/PPtr.cs

@@ -0,0 +1,152 @@
+using System;
+
+namespace AssetStudio
+{
+    public sealed class PPtr<T> : IYAMLExportable
+        where T : Object 
+    {
+        public int m_FileID;
+        public long m_PathID;
+
+        private SerializedFile assetsFile;
+        private int index = -2; //-2 - Prepare, -1 - Missing
+
+        public PPtr(ObjectReader reader)
+        {
+            m_FileID = reader.ReadInt32();
+            m_PathID = reader.m_Version < SerializedFileFormatVersion.Unknown_14 ? reader.ReadInt32() : reader.ReadInt64();
+            assetsFile = reader.assetsFile;
+        }
+
+        public PPtr(int fileID, long pathID, SerializedFile assetsFile)
+        {
+            m_FileID = fileID;
+            m_PathID = pathID;
+            this.assetsFile = assetsFile;
+        }
+
+        public YAMLNode ExportYAML()
+        {
+            var node = new YAMLMappingNode();
+            node.Style = MappingStyle.Flow;
+            node.Add("fileID", m_FileID);
+            return node;
+        }
+
+        private bool TryGetAssetsFile(out SerializedFile result)
+        {
+            result = null;
+            if (m_FileID == 0)
+            {
+                result = assetsFile;
+                return true;
+            }
+
+            if (m_FileID > 0 && m_FileID - 1 < assetsFile.m_Externals.Count)
+            {
+                var assetsManager = assetsFile.assetsManager;
+                var assetsFileList = assetsManager.assetsFileList;
+                var assetsFileIndexCache = assetsManager.assetsFileIndexCache;
+
+                if (index == -2)
+                {
+                    var m_External = assetsFile.m_Externals[m_FileID - 1];
+                    var name = m_External.fileName;
+                    if (!assetsFileIndexCache.TryGetValue(name, out index))
+                    {
+                        index = assetsFileList.FindIndex(x => x.fileName.Equals(name, StringComparison.OrdinalIgnoreCase));
+                        assetsFileIndexCache.Add(name, index);
+                    }
+                }
+
+                if (index >= 0)
+                {
+                    result = assetsFileList[index];
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        public bool TryGet(out T result)
+        {
+            if (TryGetAssetsFile(out var sourceFile))
+            {
+                if (sourceFile.ObjectsDic.TryGetValue(m_PathID, out var obj))
+                {
+                    if (obj is T variable)
+                    {
+                        result = variable;
+                        return true;
+                    }
+                }
+            }
+
+            result = null;
+            return false;
+        }
+
+        public bool TryGet<T2>(out T2 result) where T2 : Object
+        {
+            if (TryGetAssetsFile(out var sourceFile))
+            {
+                if (sourceFile.ObjectsDic.TryGetValue(m_PathID, out var obj))
+                {
+                    if (obj is T2 variable)
+                    {
+                        result = variable;
+                        return true;
+                    }
+                }
+            }
+
+            result = null;
+            return false;
+        }
+
+        public void Set(T m_Object)
+        {
+            var name = m_Object.assetsFile.fileName;
+            if (string.Equals(assetsFile.fileName, name, StringComparison.OrdinalIgnoreCase))
+            {
+                m_FileID = 0;
+            }
+            else
+            {
+                m_FileID = assetsFile.m_Externals.FindIndex(x => string.Equals(x.fileName, name, StringComparison.OrdinalIgnoreCase));
+                if (m_FileID == -1)
+                {
+                    assetsFile.m_Externals.Add(new FileIdentifier
+                    {
+                        fileName = m_Object.assetsFile.fileName
+                    });
+                    m_FileID = assetsFile.m_Externals.Count;
+                }
+                else
+                {
+                    m_FileID += 1;
+                }
+            }
+
+            var assetsManager = assetsFile.assetsManager;
+            var assetsFileList = assetsManager.assetsFileList;
+            var assetsFileIndexCache = assetsManager.assetsFileIndexCache;
+
+            if (!assetsFileIndexCache.TryGetValue(name, out index))
+            {
+                index = assetsFileList.FindIndex(x => x.fileName.Equals(name, StringComparison.OrdinalIgnoreCase));
+                assetsFileIndexCache.Add(name, index);
+            }
+
+            m_PathID = m_Object.m_PathID;
+        }
+
+        public PPtr<T2> CastTo<T2>() where T2 : Object
+        {
+            return new PPtr<T2>(m_FileID, m_PathID, assetsFile);
+        }
+
+        public bool IsNull => m_PathID == 0 || m_FileID < 0;
+    }
+}

AssetStudio/Classes/PlayerSettings.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class PlayerSettings : Object
+    {
+        public string companyName;
+        public string productName;
+
+        public PlayerSettings(ObjectReader reader) : base(reader)
+        {
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 4)) //5.4.0 nad up
+            {
+                var productGUID = reader.ReadBytes(16);
+            }
+
+            var AndroidProfiler = reader.ReadBoolean();
+            //bool AndroidFilterTouchesWhenObscured 2017.2 and up
+            //bool AndroidEnableSustainedPerformanceMode 2018 and up
+            reader.AlignStream();
+            int defaultScreenOrientation = reader.ReadInt32();
+            int targetDevice = reader.ReadInt32();
+            if (version[0] < 5 || (version[0] == 5 && version[1] < 3)) //5.3 down
+            {
+                if (version[0] < 5) //5.0 down
+                {
+                    int targetPlatform = reader.ReadInt32(); //4.0 and up targetGlesGraphics
+                    if (version[0] > 4 || (version[0] == 4 && version[1] >= 6)) //4.6 and up
+                    {
+                        var targetIOSGraphics = reader.ReadInt32();
+                    }
+                }
+                int targetResolution = reader.ReadInt32();
+            }
+            else
+            {
+                var useOnDemandResources = reader.ReadBoolean();
+                reader.AlignStream();
+            }
+            if (version[0] > 3 || (version[0] == 3 && version[1] >= 5)) //3.5 and up
+            {
+                var accelerometerFrequency = reader.ReadInt32();
+            }
+            companyName = reader.ReadAlignedString();
+            productName = reader.ReadAlignedString();
+        }
+    }
+}

AssetStudio/Classes/RectTransform.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class RectTransform : Transform
+    {
+        public RectTransform(ObjectReader reader) : base(reader)
+        {
+        }
+    }
+}

AssetStudio/Classes/Renderer.cs

@@ -0,0 +1,271 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class StaticBatchInfo
+    {
+        public ushort firstSubMesh;
+        public ushort subMeshCount;
+
+        public StaticBatchInfo(ObjectReader reader)
+        {
+            firstSubMesh = reader.ReadUInt16();
+            subMeshCount = reader.ReadUInt16();
+        }
+    }
+
+    public abstract class Renderer : Component
+    {
+        public static bool Parsable;
+        public PPtr<Material>[] m_Materials;
+        public StaticBatchInfo m_StaticBatchInfo;
+        public uint[] m_SubsetIndices;
+        private bool isNewHeader = false;
+        protected Renderer(ObjectReader reader) : base(reader)
+        {
+            if (version[0] < 5) //5.0 down
+            {
+                var m_Enabled = reader.ReadBoolean();
+                var m_CastShadows = reader.ReadBoolean();
+                var m_ReceiveShadows = reader.ReadBoolean();
+                var m_LightmapIndex = reader.ReadByte();
+            }
+            else //5.0 and up
+            {
+                if (version[0] > 5 || (version[0] == 5 && version[1] >= 4)) //5.4 and up
+                {
+                    if (reader.Game.Name == "GI")
+                    {
+                        CheckHeader(reader);
+                    }
+                    var m_Enabled = reader.ReadBoolean();
+                    var m_CastShadows = reader.ReadByte();
+                    var m_ReceiveShadows = reader.ReadByte();
+                    if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 2)) //2017.2 and up
+                    {
+                        var m_DynamicOccludee = reader.ReadByte();
+                        if (reader.Game.Name == "BH3")
+                        {
+                            var m_AllowHalfResolution = reader.ReadByte();
+                        }
+                        else if (reader.Game.Name == "GI_CB3")
+                        {
+                            var m_ReceiveDecals = reader.ReadByte();
+                            var m_EnableShadowCulling = reader.ReadByte();
+                            var m_EnableGpuQuery = reader.ReadByte();
+                            var m_AllowHalfResolution = reader.ReadByte();
+                            var m_IsRainOccluder = reader.ReadByte();
+                            var m_IsDynamicAOOccluder = reader.ReadByte();
+                            var m_IsDynamic = reader.ReadByte();
+                        }
+                        else if (reader.Game.Name == "GI")
+                        {
+                            var m_ReceiveDecals = reader.ReadByte();
+                            var m_EnableShadowCulling = reader.ReadByte();
+                            var m_EnableGpuQuery = reader.ReadByte();
+                            var m_AllowHalfResolution = reader.ReadByte();
+                            var m_IsRainOccluder = reader.ReadByte();
+                            var m_IsDynamicAOOccluder = reader.ReadByte();
+                            var m_IsCloudObject = reader.ReadByte();
+                            var m_IsInteriorVolume = reader.ReadByte();
+                            var m_IsDynamic = reader.ReadByte();
+                            var m_UseTessellation = reader.ReadByte();
+                            var m_IsTerrainTessInfo = reader.ReadByte();
+                            if (isNewHeader)
+                            {
+                                var m_UseVertexLightInForward = reader.ReadByte();
+                                var m_CombineSubMeshInGeoPass = reader.ReadByte();
+                                var m_AllowPerMaterialProp = reader.ReadByte();
+                                var m_IsHQDynamicAOOccluder = reader.ReadByte();
+                            }
+                        }
+                    }
+                    if (version[0] >= 2021) //2021.1 and up
+                    {
+                        var m_StaticShadowCaster = reader.ReadByte();
+                    }
+                    if (reader.Game.Name == "GI_CB2")
+                    {
+                        var m_ReceiveDecals = reader.ReadByte();
+                        var m_EnableShadowCulling = reader.ReadByte();
+                        var m_EnableGpuQuery = reader.ReadByte();
+                        var m_AllowHalfResolution = reader.ReadByte();
+                        var m_IsRainOccluder = reader.ReadByte();
+                        var m_IsDynamic = reader.ReadByte();
+                    }
+                    if (reader.Game.Name == "GI_CB1")
+                    {
+                        var m_ReceiveDecals = reader.ReadByte();
+                        var m_EnableShadowCulling = reader.ReadByte();
+                        var m_EnableGpuQuery = reader.ReadByte();
+                        var m_AllowHalfResolution = reader.ReadByte();
+                    }
+                    var m_MotionVectors = reader.ReadByte();
+                    var m_LightProbeUsage = reader.ReadByte();
+                    var m_ReflectionProbeUsage = reader.ReadByte();
+                    if (version[0] > 2019 || (version[0] == 2019 && version[1] >= 3)) //2019.3 and up
+                    {
+                        var m_RayTracingMode = reader.ReadByte();
+                    }
+                    if (version[0] >= 2020) //2020.1 and up
+                    {
+                        var m_RayTraceProcedural = reader.ReadByte();
+                    }
+                    if (reader.Game.Name == "GI" || reader.Game.Name == "GI_CB3")
+                    {
+                        var m_MeshShowQuality = reader.ReadByte();
+                    }
+                    reader.AlignStream();
+                }
+                else
+                {
+                    var m_Enabled = reader.ReadBoolean();
+                    reader.AlignStream();
+                    var m_CastShadows = reader.ReadByte();
+                    var m_ReceiveShadows = reader.ReadBoolean();
+                    reader.AlignStream();
+                }
+
+                if (version[0] >= 2018) //2018 and up
+                {
+                    var m_RenderingLayerMask = reader.ReadUInt32();
+                }
+
+                if (version[0] > 2018 || (version[0] == 2018 && version[1] >= 3)) //2018.3 and up
+                {
+                    var m_RendererPriority = reader.ReadInt32();
+                }
+
+                var m_LightmapIndex = reader.ReadInt16();
+                var m_LightmapIndexDynamic = reader.ReadInt16();
+                if (reader.Game.Name == "GI" || reader.Game.Name == "GI_CB1" || reader.Game.Name == "GI_CB2" || reader.Game.Name == "GI_CB3")
+                {
+                    if (m_LightmapIndex != -1 || m_LightmapIndexDynamic != -1)
+                        throw new Exception("Not Supported !! skipping....");
+                }
+            }
+
+            if (version[0] >= 3) //3.0 and up
+            {
+                var m_LightmapTilingOffset = reader.ReadVector4();
+            }
+
+            if (version[0] >= 5) //5.0 and up
+            {
+                var m_LightmapTilingOffsetDynamic = reader.ReadVector4();
+            }
+
+            if (reader.Game.Name == "GI" || reader.Game.Name == "GI_CB1" || reader.Game.Name == "GI_CB2" || reader.Game.Name == "GI_CB3")
+            {
+                var m_ViewDistanceRatio = reader.ReadSingle();
+                var m_ShaderLODDistanceRatio = reader.ReadSingle();
+            }
+            var m_MaterialsSize = reader.ReadInt32();
+            m_Materials = new PPtr<Material>[m_MaterialsSize];
+            for (int i = 0; i < m_MaterialsSize; i++)
+            {
+                m_Materials[i] = new PPtr<Material>(reader);
+            }
+
+            if (version[0] < 3) //3.0 down
+            {
+                var m_LightmapTilingOffset = reader.ReadVector4();
+            }
+            else //3.0 and up
+            {
+                if (version[0] > 5 || (version[0] == 5 && version[1] >= 5)) //5.5 and up
+                {
+                    m_StaticBatchInfo = new StaticBatchInfo(reader);
+                }
+                else
+                {
+                    m_SubsetIndices = reader.ReadUInt32Array();
+                }
+
+                var m_StaticBatchRoot = new PPtr<Transform>(reader);
+            }
+            if (reader.Game.Name == "GI" || reader.Game.Name == "GI_CB1" || reader.Game.Name == "GI_CB2" || reader.Game.Name == "GI_CB3")
+            {
+                var m_MatLayers = reader.ReadInt32();
+            }
+
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 4)) //5.4 and up
+            {
+                var m_ProbeAnchor = new PPtr<Transform>(reader);
+                var m_LightProbeVolumeOverride = new PPtr<GameObject>(reader);
+            }
+            else if (version[0] > 3 || (version[0] == 3 && version[1] >= 5)) //3.5 - 5.3
+            {
+                var m_UseLightProbes = reader.ReadBoolean();
+                reader.AlignStream();
+
+                if (version[0] >= 5)//5.0 and up
+                {
+                    var m_ReflectionProbeUsage = reader.ReadInt32();
+                }
+
+                var m_LightProbeAnchor = new PPtr<Transform>(reader); //5.0 and up m_ProbeAnchor
+            }
+
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                if (version[0] == 4 && version[1] == 3) //4.3
+                {
+                    var m_SortingLayer = reader.ReadInt16();
+                }
+                else
+                {
+                    var m_SortingLayerID = reader.ReadInt32();
+                    var m_SortingLayer = reader.ReadInt16();
+                }
+
+                //SInt16 m_SortingLayer 5.6 and up
+                var m_SortingOrder = reader.ReadInt16();
+                reader.AlignStream();
+                if (reader.Game.Name == "GI" || reader.Game.Name == "GI_CB1" || reader.Game.Name == "GI_CB2" || reader.Game.Name == "GI_CB3" || reader.Game.Name == "BH3")
+                {
+                    var m_UseHighestMip = reader.ReadBoolean();
+                    reader.AlignStream();
+                }
+                if (reader.Game.Name == "SR_CB3")
+                {
+                    var _RenderFlag = reader.ReadUInt32();
+                    reader.AlignStream();
+                }
+            }
+        }
+
+        private void CheckHeader(ObjectReader reader)
+        {
+            short index = 0;
+            var pos = reader.Position;
+            while (index != -1 && reader.Position <= pos + 0x1A)
+                index = reader.ReadInt16();
+            isNewHeader = (reader.Position - pos) == 0x1A;
+            reader.Position = pos;
+        }
+
+        public string FindMaterialPropertyNameByCRC28(uint crc)
+        {
+            foreach (PPtr<Material> materialPtr in m_Materials)
+            {
+                if (!materialPtr.TryGet(out var material))
+                {
+                    continue;
+                }
+                string property = material.FindPropertyNameByCRC28(crc);
+                if (property == null)
+                {
+                    continue;
+                }
+
+                return property;
+            }
+            return null;
+        }
+    }
+}

AssetStudio/Classes/ResourceManager.cs

@@ -0,0 +1,19 @@
+using System.Collections.Generic;
+
+namespace AssetStudio
+{
+    public class ResourceManager : Object
+    {
+        public KeyValuePair<string, PPtr<Object>>[] m_Container;
+
+        public ResourceManager(ObjectReader reader) : base(reader)
+        {
+            var m_ContainerSize = reader.ReadInt32();
+            m_Container = new KeyValuePair<string, PPtr<Object>>[m_ContainerSize];
+            for (int i = 0; i < m_ContainerSize; i++)
+            {
+                m_Container[i] = new KeyValuePair<string, PPtr<Object>>(reader.ReadAlignedString(), new PPtr<Object>(reader));
+            }
+        }
+    }
+}

AssetStudio/Classes/RuntimeAnimatorController.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public abstract class RuntimeAnimatorController : NamedObject
+    {
+        protected RuntimeAnimatorController(ObjectReader reader) : base(reader)
+        {
+
+        }
+
+        public abstract bool IsContainsAnimationClip(AnimationClip clip);
+    }
+}

AssetStudio/Classes/SkinnedMeshRenderer.cs

@@ -0,0 +1,48 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class SkinnedMeshRenderer : Renderer
+    {
+        public PPtr<Mesh> m_Mesh;
+        public PPtr<Transform>[] m_Bones;
+        public PPtr<Transform> m_RootBone;
+        public float[] m_BlendShapeWeights;
+        public AABB m_AABB;
+        public bool m_DirtyAABB;
+
+        public SkinnedMeshRenderer(ObjectReader reader) : base(reader)
+        {
+            int m_Quality = reader.ReadInt32();
+            var m_UpdateWhenOffscreen = reader.ReadBoolean();
+            var m_SkinNormals = reader.ReadBoolean(); //3.1.0 and below
+            reader.AlignStream();
+
+            if (version[0] == 2 && version[1] < 6) //2.6 down
+            {
+                var m_DisableAnimationWhenOffscreen = new PPtr<Animation>(reader);
+            }
+
+            m_Mesh = new PPtr<Mesh>(reader);
+
+            m_Bones = new PPtr<Transform>[reader.ReadInt32()];
+            for (int b = 0; b < m_Bones.Length; b++)
+            {
+                m_Bones[b] = new PPtr<Transform>(reader);
+            }
+            reader.AlignStream();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 3)) //4.3 and up
+            {
+                m_BlendShapeWeights = reader.ReadSingleArray();
+            }
+            reader.AlignStream();
+            m_RootBone = new PPtr<Transform>(reader);
+            m_AABB = new AABB(reader);
+            m_DirtyAABB = reader.ReadBoolean();
+            reader.AlignStream();
+        }
+    }
+}

AssetStudio/Classes/Sprite.cs

@@ -0,0 +1,260 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+
+namespace AssetStudio
+{
+    public class SecondarySpriteTexture
+    {
+        public PPtr<Texture2D> texture;
+        public string name;
+
+        public SecondarySpriteTexture(ObjectReader reader)
+        {
+            texture = new PPtr<Texture2D>(reader);
+            name = reader.ReadStringToNull();
+        }
+    }
+
+    public enum SpritePackingRotation
+    {
+        None = 0,
+        FlipHorizontal = 1,
+        FlipVertical = 2,
+        Rotate180 = 3,
+        Rotate90 = 4
+    };
+
+    public enum SpritePackingMode
+    {
+        Tight = 0,
+        Rectangle
+    };
+
+    public enum SpriteMeshType
+    {
+        FullRect,
+        Tight
+    };
+
+    public class SpriteSettings
+    {
+        public uint settingsRaw;
+
+        public uint packed;
+        public SpritePackingMode packingMode;
+        public SpritePackingRotation packingRotation;
+        public SpriteMeshType meshType;
+
+        public SpriteSettings(BinaryReader reader)
+        {
+            settingsRaw = reader.ReadUInt32();
+
+            packed = settingsRaw & 1; //1
+            packingMode = (SpritePackingMode)((settingsRaw >> 1) & 1); //1
+            packingRotation = (SpritePackingRotation)((settingsRaw >> 2) & 0xf); //4
+            meshType = (SpriteMeshType)((settingsRaw >> 6) & 1); //1
+            //reserved
+        }
+    }
+
+    public class SpriteVertex
+    {
+        public Vector3 pos;
+        public Vector2 uv;
+
+        public SpriteVertex(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            pos = reader.ReadVector3();
+            if (version[0] < 4 || (version[0] == 4 && version[1] <= 3)) //4.3 and down
+            {
+                uv = reader.ReadVector2();
+            }
+        }
+    }
+
+    public class SpriteRenderData
+    {
+        public PPtr<Texture2D> texture;
+        public PPtr<Texture2D> alphaTexture;
+        public SecondarySpriteTexture[] secondaryTextures;
+        public SubMesh[] m_SubMeshes;
+        public byte[] m_IndexBuffer;
+        public VertexData m_VertexData;
+        public SpriteVertex[] vertices;
+        public ushort[] indices;
+        public Matrix4x4[] m_Bindpose;
+        public BoneWeights4[] m_SourceSkin;
+        public Rectf textureRect;
+        public Vector2 textureRectOffset;
+        public Vector2 atlasRectOffset;
+        public SpriteSettings settingsRaw;
+        public Vector4 uvTransform;
+        public float downscaleMultiplier;
+
+        public SpriteRenderData(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            texture = new PPtr<Texture2D>(reader);
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 2)) //5.2 and up
+            {
+                alphaTexture = new PPtr<Texture2D>(reader);
+            }
+
+            if (version[0] >= 2019) //2019 and up
+            {
+                var secondaryTexturesSize = reader.ReadInt32();
+                secondaryTextures = new SecondarySpriteTexture[secondaryTexturesSize];
+                for (int i = 0; i < secondaryTexturesSize; i++)
+                {
+                    secondaryTextures[i] = new SecondarySpriteTexture(reader);
+                }
+            }
+
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 6)) //5.6 and up
+            {
+                var m_SubMeshesSize = reader.ReadInt32();
+                m_SubMeshes = new SubMesh[m_SubMeshesSize];
+                for (int i = 0; i < m_SubMeshesSize; i++)
+                {
+                    m_SubMeshes[i] = new SubMesh(reader);
+                }
+
+                m_IndexBuffer = reader.ReadUInt8Array();
+                reader.AlignStream();
+
+                m_VertexData = new VertexData(reader);
+            }
+            else
+            {
+                var verticesSize = reader.ReadInt32();
+                vertices = new SpriteVertex[verticesSize];
+                for (int i = 0; i < verticesSize; i++)
+                {
+                    vertices[i] = new SpriteVertex(reader);
+                }
+
+                indices = reader.ReadUInt16Array();
+                reader.AlignStream();
+            }
+
+            if (version[0] >= 2018) //2018 and up
+            {
+                m_Bindpose = reader.ReadMatrixArray();
+
+                if (version[0] == 2018 && version[1] < 2) //2018.2 down
+                {
+                    var m_SourceSkinSize = reader.ReadInt32();
+                    for (int i = 0; i < m_SourceSkinSize; i++)
+                    {
+                        m_SourceSkin[i] = new BoneWeights4(reader);
+                    }
+                }
+            }
+
+            textureRect = new Rectf(reader);
+            textureRectOffset = reader.ReadVector2();
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 6)) //5.6 and up
+            {
+                atlasRectOffset = reader.ReadVector2();
+            }
+
+            settingsRaw = new SpriteSettings(reader);
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 5)) //4.5 and up
+            {
+                uvTransform = reader.ReadVector4();
+            }
+
+            if (version[0] >= 2017) //2017 and up
+            {
+                downscaleMultiplier = reader.ReadSingle();
+            }
+        }
+    }
+
+    public class Rectf
+    {
+        public float x;
+        public float y;
+        public float width;
+        public float height;
+
+        public Rectf(BinaryReader reader)
+        {
+            x = reader.ReadSingle();
+            y = reader.ReadSingle();
+            width = reader.ReadSingle();
+            height = reader.ReadSingle();
+        }
+    }
+
+    public sealed class Sprite : NamedObject
+    {
+        public Rectf m_Rect;
+        public Vector2 m_Offset;
+        public Vector4 m_Border;
+        public float m_PixelsToUnits;
+        public Vector2 m_Pivot = new Vector2(0.5f, 0.5f);
+        public uint m_Extrude;
+        public bool m_IsPolygon;
+        public KeyValuePair<Guid, long> m_RenderDataKey;
+        public string[] m_AtlasTags;
+        public PPtr<SpriteAtlas> m_SpriteAtlas;
+        public SpriteRenderData m_RD;
+        public Vector2[][] m_PhysicsShape;
+
+        public Sprite(ObjectReader reader) : base(reader)
+        {
+            m_Rect = new Rectf(reader);
+            m_Offset = reader.ReadVector2();
+            if (version[0] > 4 || (version[0] == 4 && version[1] >= 5)) //4.5 and up
+            {
+                m_Border = reader.ReadVector4();
+            }
+
+            m_PixelsToUnits = reader.ReadSingle();
+            if (version[0] > 5
+                || (version[0] == 5 && version[1] > 4)
+                || (version[0] == 5 && version[1] == 4 && version[2] >= 2)
+                || (version[0] == 5 && version[1] == 4 && version[2] == 1 && buildType.IsPatch && version[3] >= 3)) //5.4.1p3 and up
+            {
+                m_Pivot = reader.ReadVector2();
+            }
+
+            m_Extrude = reader.ReadUInt32();
+            if (version[0] > 5 || (version[0] == 5 && version[1] >= 3)) //5.3 and up
+            {
+                m_IsPolygon = reader.ReadBoolean();
+                reader.AlignStream();
+            }
+
+            if (version[0] >= 2017) //2017 and up
+            {
+                var first = new Guid(reader.ReadBytes(16));
+                var second = reader.ReadInt64();
+                m_RenderDataKey = new KeyValuePair<Guid, long>(first, second);
+
+                m_AtlasTags = reader.ReadStringArray();
+
+                m_SpriteAtlas = new PPtr<SpriteAtlas>(reader);
+            }
+
+            m_RD = new SpriteRenderData(reader);
+
+            if (version[0] >= 2017) //2017 and up
+            {
+                var m_PhysicsShapeSize = reader.ReadInt32();
+                m_PhysicsShape = new Vector2[m_PhysicsShapeSize][];
+                for (int i = 0; i < m_PhysicsShapeSize; i++)
+                {
+                    m_PhysicsShape[i] = reader.ReadVector2Array();
+                }
+            }
+
+            //vector m_Bones 2018 and up
+        }
+    }
+}

AssetStudio/Classes/SpriteAtlas.cs

@@ -0,0 +1,76 @@
+using System;
+using System.Collections.Generic;
+
+namespace AssetStudio
+{
+    public class SpriteAtlasData
+    {
+        public PPtr<Texture2D> texture;
+        public PPtr<Texture2D> alphaTexture;
+        public Rectf textureRect;
+        public Vector2 textureRectOffset;
+        public Vector2 atlasRectOffset;
+        public Vector4 uvTransform;
+        public float downscaleMultiplier;
+        public SpriteSettings settingsRaw;
+        public SecondarySpriteTexture[] secondaryTextures;
+
+        public SpriteAtlasData(ObjectReader reader)
+        {
+            var version = reader.version;
+            texture = new PPtr<Texture2D>(reader);
+            alphaTexture = new PPtr<Texture2D>(reader);
+            textureRect = new Rectf(reader);
+            textureRectOffset = reader.ReadVector2();
+            if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 2)) //2017.2 and up
+            {
+                atlasRectOffset = reader.ReadVector2();
+            }
+            uvTransform = reader.ReadVector4();
+            downscaleMultiplier = reader.ReadSingle();
+            settingsRaw = new SpriteSettings(reader);
+            if (version[0] > 2020 || (version[0] == 2020 && version[1] >= 2)) //2020.2 and up
+            {
+                var secondaryTexturesSize = reader.ReadInt32();
+                secondaryTextures = new SecondarySpriteTexture[secondaryTexturesSize];
+                for (int i = 0; i < secondaryTexturesSize; i++)
+                {
+                    secondaryTextures[i] = new SecondarySpriteTexture(reader);
+                }
+                reader.AlignStream();
+            }
+        }
+    }
+
+    public sealed class SpriteAtlas : NamedObject
+    {
+        public PPtr<Sprite>[] m_PackedSprites;
+        public Dictionary<KeyValuePair<Guid, long>, SpriteAtlasData> m_RenderDataMap;
+        public bool m_IsVariant;
+
+        public SpriteAtlas(ObjectReader reader) : base(reader)
+        {
+            var m_PackedSpritesSize = reader.ReadInt32();
+            m_PackedSprites = new PPtr<Sprite>[m_PackedSpritesSize];
+            for (int i = 0; i < m_PackedSpritesSize; i++)
+            {
+                m_PackedSprites[i] = new PPtr<Sprite>(reader);
+            }
+
+            var m_PackedSpriteNamesToIndex = reader.ReadStringArray();
+
+            var m_RenderDataMapSize = reader.ReadInt32();
+            m_RenderDataMap = new Dictionary<KeyValuePair<Guid, long>, SpriteAtlasData>(m_RenderDataMapSize);
+            for (int i = 0; i < m_RenderDataMapSize; i++)
+            {
+                var first = new Guid(reader.ReadBytes(16));
+                var second = reader.ReadInt64();
+                var value = new SpriteAtlasData(reader);
+                m_RenderDataMap.Add(new KeyValuePair<Guid, long>(first, second), value);
+            }
+            var m_Tag = reader.ReadAlignedString();
+            m_IsVariant = reader.ReadBoolean();
+            reader.AlignStream();
+        }
+    }
+}

AssetStudio/Classes/TextAsset.cs

@@ -0,0 +1,18 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Linq.Expressions;
+using System.Text;
+
+namespace AssetStudio
+{
+    public sealed class TextAsset : NamedObject
+    {
+        public byte[] m_Script;
+
+        public TextAsset(ObjectReader reader) : base(reader)
+        {
+            m_Script = reader.ReadUInt8Array();
+        }
+    }
+}

AssetStudio/Classes/Texture.cs

@@ -0,0 +1,24 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public abstract class Texture : NamedObject
+    {
+        protected Texture(ObjectReader reader) : base(reader)
+        {
+            if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 3)) //2017.3 and up
+            {
+                var m_ForcedFallbackFormat = reader.ReadInt32();
+                var m_DownscaleFallback = reader.ReadBoolean();
+                if (version[0] > 2020 || (version[0] == 2020 && version[1] >= 2)) //2020.2 and up
+                {
+                    var m_IsAlphaChannelOptional = reader.ReadBoolean();
+                }
+                reader.AlignStream();
+            }
+        }
+    }
+}

AssetStudio/Classes/Texture2D.cs

@@ -0,0 +1,218 @@
+using System;
+using System.IO;
+
+namespace AssetStudio
+{
+    public class StreamingInfo
+    {
+        public long offset; //ulong
+        public uint size;
+        public string path;
+
+        public StreamingInfo(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            if (version[0] >= 2020) //2020.1 and up
+            {
+                offset = reader.ReadInt64();
+            }
+            else
+            {
+                offset = reader.ReadUInt32();
+            }
+            size = reader.ReadUInt32();
+            path = reader.ReadAlignedString();
+        }
+    }
+
+    public class GLTextureSettings
+    {
+        public int m_FilterMode;
+        public int m_Aniso;
+        public float m_MipBias;
+        public int m_WrapMode;
+
+        public GLTextureSettings(ObjectReader reader)
+        {
+            var version = reader.version;
+
+            m_FilterMode = reader.ReadInt32();
+            m_Aniso = reader.ReadInt32();
+            m_MipBias = reader.ReadSingle();
+            if (version[0] >= 2017)//2017.x and up
+            {
+                m_WrapMode = reader.ReadInt32(); //m_WrapU
+                int m_WrapV = reader.ReadInt32();
+                int m_WrapW = reader.ReadInt32();
+            }
+            else
+            {
+                m_WrapMode = reader.ReadInt32();
+            }
+        }
+    }
+
+    public sealed class Texture2D : Texture
+    {
+        public int m_Width;
+        public int m_Height;
+        public TextureFormat m_TextureFormat;
+        public bool m_MipMap;
+        public int m_MipCount;
+        public GLTextureSettings m_TextureSettings;
+        public ResourceReader image_data;
+        public StreamingInfo m_StreamData;
+
+        public Texture2D(ObjectReader reader) : base(reader)
+        {
+            m_Width = reader.ReadInt32();
+            m_Height = reader.ReadInt32();
+            var m_CompleteImageSize = reader.ReadInt32();
+            if (version[0] >= 2020) //2020.1 and up
+            {
+                var m_MipsStripped = reader.ReadInt32();
+            }
+            m_TextureFormat = (TextureFormat)reader.ReadInt32();
+            if (version[0] < 5 || (version[0] == 5 && version[1] < 2)) //5.2 down
+            {
+                m_MipMap = reader.ReadBoolean();
+            }
+            else
+            {
+                m_MipCount = reader.ReadInt32();
+            }
+            if (version[0] > 2 || (version[0] == 2 && version[1] >= 6)) //2.6.0 and up
+            {
+                var m_IsReadable = reader.ReadBoolean();
+            }
+            if (version[0] >= 2020) //2020.1 and up
+            {
+                var m_IsPreProcessed = reader.ReadBoolean();
+            }
+            if (version[0] > 2019 || (version[0] == 2019 && version[1] >= 3)) //2019.3 and up
+            {
+                var m_IgnoreMasterTextureLimit = reader.ReadBoolean();
+            }
+            if (version[0] >= 3) //3.0.0 - 5.4
+            {
+                if (version[0] < 5 || (version[0] == 5 && version[1] <= 4))
+                {
+                    var m_ReadAllowed = reader.ReadBoolean();
+                }
+            }
+            if (version[0] > 2018 || (version[0] == 2018 && version[1] >= 2)) //2018.2 and up
+            {
+                var m_StreamingMipmaps = reader.ReadBoolean();
+            }
+            reader.AlignStream();
+            if (version[0] > 2018 || (version[0] == 2018 && version[1] >= 2)) //2018.2 and up
+            {
+                var m_StreamingMipmapsPriority = reader.ReadInt32();
+            }
+            var m_ImageCount = reader.ReadInt32();
+            var m_TextureDimension = reader.ReadInt32();
+            m_TextureSettings = new GLTextureSettings(reader);
+            if (version[0] >= 3) //3.0 and up
+            {
+                var m_LightmapFormat = reader.ReadInt32();
+            }
+            if (version[0] > 3 || (version[0] == 3 && version[1] >= 5)) //3.5.0 and up
+            {
+                var m_ColorSpace = reader.ReadInt32();
+            }
+            if (version[0] > 2020 || (version[0] == 2020 && version[1] >= 2)) //2020.2 and up
+            {
+                var m_PlatformBlob = reader.ReadUInt8Array();
+                reader.AlignStream();
+            }
+            var image_data_size = reader.ReadInt32();
+            if (image_data_size == 0 && ((version[0] == 5 && version[1] >= 3) || version[0] > 5))//5.3.0 and up
+            {
+                m_StreamData = new StreamingInfo(reader);
+            }
+
+            ResourceReader resourceReader;
+            if (!string.IsNullOrEmpty(m_StreamData?.path))
+                resourceReader = new ResourceReader(m_StreamData.path, assetsFile, m_StreamData.offset, m_StreamData.size);
+            else
+                resourceReader = new ResourceReader(reader, reader.BaseStream.Position, image_data_size);
+            image_data = resourceReader;
+        }
+    }
+
+    public enum TextureFormat
+    {
+        Alpha8 = 1,
+        ARGB4444,
+        RGB24,
+        RGBA32,
+        ARGB32,
+        ARGBFloat,
+        RGB565,
+        BGR24,
+        R16,
+        DXT1,
+        DXT3,
+        DXT5,
+        RGBA4444,
+        BGRA32,
+        RHalf,
+        RGHalf,
+        RGBAHalf,
+        RFloat,
+        RGFloat,
+        RGBAFloat,
+        YUY2,
+        RGB9e5Float,
+        RGBFloat,
+        BC6H,
+        BC7,
+        BC4,
+        BC5,
+        DXT1Crunched,
+        DXT5Crunched,
+        PVRTC_RGB2,
+        PVRTC_RGBA2,
+        PVRTC_RGB4,
+        PVRTC_RGBA4,
+        ETC_RGB4,
+        ATC_RGB4,
+        ATC_RGBA8,
+        EAC_R = 41,
+        EAC_R_SIGNED,
+        EAC_RG,
+        EAC_RG_SIGNED,
+        ETC2_RGB,
+        ETC2_RGBA1,
+        ETC2_RGBA8,
+        ASTC_RGB_4x4,
+        ASTC_RGB_5x5,
+        ASTC_RGB_6x6,
+        ASTC_RGB_8x8,
+        ASTC_RGB_10x10,
+        ASTC_RGB_12x12,
+        ASTC_RGBA_4x4,
+        ASTC_RGBA_5x5,
+        ASTC_RGBA_6x6,
+        ASTC_RGBA_8x8,
+        ASTC_RGBA_10x10,
+        ASTC_RGBA_12x12,
+        ETC_RGB4_3DS,
+        ETC_RGBA8_3DS,
+        RG16,
+        R8,
+        ETC_RGB4Crunched,
+        ETC2_RGBA8Crunched,
+        R16_2,
+        ASTC_HDR_4x4,
+        ASTC_HDR_5x5,
+        ASTC_HDR_6x6,
+        ASTC_HDR_8x8,
+        ASTC_HDR_10x10,
+        ASTC_HDR_12x12,
+        RG32,
+        RGB48,
+        RGBA64
+    }
+}

AssetStudio/Classes/Transform.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class Transform : Component
+    {
+        public Quaternion m_LocalRotation;
+        public Vector3 m_LocalPosition;
+        public Vector3 m_LocalScale;
+        public PPtr<Transform>[] m_Children;
+        public PPtr<Transform> m_Father;
+
+        public Transform(ObjectReader reader) : base(reader)
+        {
+            m_LocalRotation = reader.ReadQuaternion();
+            m_LocalPosition = reader.ReadVector3();
+            m_LocalScale = reader.ReadVector3();
+
+            int m_ChildrenCount = reader.ReadInt32();
+            m_Children = new PPtr<Transform>[m_ChildrenCount];
+            for (int i = 0; i < m_ChildrenCount; i++)
+            {
+                m_Children[i] = new PPtr<Transform>(reader);
+            }
+            m_Father = new PPtr<Transform>(reader);
+        }
+
+        public Transform FindChild(string path)
+        {
+            if (path.Length == 0)
+            {
+                return this;
+            }
+            return FindChild(path, 0);
+        }
+        private Transform FindChild(string path, int startIndex)
+        {
+            int separatorIndex = path.IndexOf('/', startIndex);
+            string childName = separatorIndex == -1 ?
+                path.Substring(startIndex, path.Length - startIndex) :
+                path.Substring(startIndex, separatorIndex - startIndex);
+            foreach (PPtr<Transform> childPtr in m_Children)
+            {
+                if(childPtr.TryGet(out var child))
+                {
+                    if (child.m_GameObject.TryGet(out var childGO) && childGO.m_Name == childName)
+                    {
+                        return separatorIndex == -1 ? child : child.FindChild(path, separatorIndex + 1);
+                    }
+                }
+            }
+            return null;
+        }
+    }
+}

AssetStudio/Classes/VideoClip.cs

@@ -0,0 +1,72 @@
+using System.IO;
+
+namespace AssetStudio
+{
+    public class StreamedResource
+    {
+        public string m_Source;
+        public long m_Offset; //ulong
+        public long m_Size; //ulong
+
+        public StreamedResource(BinaryReader reader)
+        {
+            m_Source = reader.ReadAlignedString();
+            m_Offset = reader.ReadInt64();
+            m_Size = reader.ReadInt64();
+        }
+    }
+
+    public sealed class VideoClip : NamedObject
+    {
+        public ResourceReader m_VideoData;
+        public string m_OriginalPath;
+        public StreamedResource m_ExternalResources;
+
+        public VideoClip(ObjectReader reader) : base(reader)
+        {
+            m_OriginalPath = reader.ReadAlignedString();
+            var m_ProxyWidth = reader.ReadUInt32();
+            var m_ProxyHeight = reader.ReadUInt32();
+            var Width = reader.ReadUInt32();
+            var Height = reader.ReadUInt32();
+            if (version[0] > 2017 || (version[0] == 2017 && version[1] >= 2)) //2017.2 and up
+            {
+                var m_PixelAspecRatioNum = reader.ReadUInt32();
+                var m_PixelAspecRatioDen = reader.ReadUInt32();
+            }
+            var m_FrameRate = reader.ReadDouble();
+            var m_FrameCount = reader.ReadUInt64();
+            var m_Format = reader.ReadInt32();
+            var m_AudioChannelCount = reader.ReadUInt16Array();
+            reader.AlignStream();
+            var m_AudioSampleRate = reader.ReadUInt32Array();
+            var m_AudioLanguage = reader.ReadStringArray();
+            if (version[0] >= 2020) //2020.1 and up
+            {
+                var m_VideoShadersSize = reader.ReadInt32();
+                var m_VideoShaders = new PPtr<Shader>[m_VideoShadersSize];
+                for (int i = 0; i < m_VideoShadersSize; i++)
+                {
+                    m_VideoShaders[i] = new PPtr<Shader>(reader);
+                }
+            }
+            m_ExternalResources = new StreamedResource(reader);
+            var m_HasSplitAlpha = reader.ReadBoolean();
+            if (version[0] >= 2020) //2020.1 and up
+            {
+                var m_sRGB = reader.ReadBoolean();
+            }
+
+            ResourceReader resourceReader;
+            if (!string.IsNullOrEmpty(m_ExternalResources.m_Source))
+            {
+                resourceReader = new ResourceReader(m_ExternalResources.m_Source, assetsFile, m_ExternalResources.m_Offset, m_ExternalResources.m_Size);
+            }
+            else
+            {
+                resourceReader = new ResourceReader(reader, reader.BaseStream.Position, m_ExternalResources.m_Size);
+            }
+            m_VideoData = resourceReader;
+        }
+    }
+}

AssetStudio/CommonString.cs

@@ -0,0 +1,120 @@
+using System.Collections.Generic;
+
+namespace AssetStudio
+{
+    public static class CommonString
+    {
+        public static readonly Dictionary<uint, string> StringBuffer = new Dictionary<uint, string>
+        {
+            {0, "AABB"},
+            {5, "AnimationClip"},
+            {19, "AnimationCurve"},
+            {34, "AnimationState"},
+            {49, "Array"},
+            {55, "Base"},
+            {60, "BitField"},
+            {69, "bitset"},
+            {76, "bool"},
+            {81, "char"},
+            {86, "ColorRGBA"},
+            {96, "Component"},
+            {106, "data"},
+            {111, "deque"},
+            {117, "double"},
+            {124, "dynamic_array"},
+            {138, "FastPropertyName"},
+            {155, "first"},
+            {161, "float"},
+            {167, "Font"},
+            {172, "GameObject"},
+            {183, "Generic Mono"},
+            {196, "GradientNEW"},
+            {208, "GUID"},
+            {213, "GUIStyle"},
+            {222, "int"},
+            {226, "list"},
+            {231, "long long"},
+            {241, "map"},
+            {245, "Matrix4x4f"},
+            {256, "MdFour"},
+            {263, "MonoBehaviour"},
+            {277, "MonoScript"},
+            {288, "m_ByteSize"},
+            {299, "m_Curve"},
+            {307, "m_EditorClassIdentifier"},
+            {331, "m_EditorHideFlags"},
+            {349, "m_Enabled"},
+            {359, "m_ExtensionPtr"},
+            {374, "m_GameObject"},
+            {387, "m_Index"},
+            {395, "m_IsArray"},
+            {405, "m_IsStatic"},
+            {416, "m_MetaFlag"},
+            {427, "m_Name"},
+            {434, "m_ObjectHideFlags"},
+            {452, "m_PrefabInternal"},
+            {469, "m_PrefabParentObject"},
+            {490, "m_Script"},
+            {499, "m_StaticEditorFlags"},
+            {519, "m_Type"},
+            {526, "m_Version"},
+            {536, "Object"},
+            {543, "pair"},
+            {548, "PPtr<Component>"},
+            {564, "PPtr<GameObject>"},
+            {581, "PPtr<Material>"},
+            {596, "PPtr<MonoBehaviour>"},
+            {616, "PPtr<MonoScript>"},
+            {633, "PPtr<Object>"},
+            {646, "PPtr<Prefab>"},
+            {659, "PPtr<Sprite>"},
+            {672, "PPtr<TextAsset>"},
+            {688, "PPtr<Texture>"},
+            {702, "PPtr<Texture2D>"},
+            {718, "PPtr<Transform>"},
+            {734, "Prefab"},
+            {741, "Quaternionf"},
+            {753, "Rectf"},
+            {759, "RectInt"},
+            {767, "RectOffset"},
+            {778, "second"},
+            {785, "set"},
+            {789, "short"},
+            {795, "size"},
+            {800, "SInt16"},
+            {807, "SInt32"},
+            {814, "SInt64"},
+            {821, "SInt8"},
+            {827, "staticvector"},
+            {840, "string"},
+            {847, "TextAsset"},
+            {857, "TextMesh"},
+            {866, "Texture"},
+            {874, "Texture2D"},
+            {884, "Transform"},
+            {894, "TypelessData"},
+            {907, "UInt16"},
+            {914, "UInt32"},
+            {921, "UInt64"},
+            {928, "UInt8"},
+            {934, "unsigned int"},
+            {947, "unsigned long long"},
+            {966, "unsigned short"},
+            {981, "vector"},
+            {988, "Vector2f"},
+            {997, "Vector3f"},
+            {1006, "Vector4f"},
+            {1015, "m_ScriptingClassIdentifier"},
+            {1042, "Gradient"},
+            {1051, "Type*"},
+            {1057, "int2_storage"},
+            {1070, "int3_storage"},
+            {1083, "BoundsInt"},
+            {1093, "m_CorrespondingSourceObject"},
+            {1121, "m_PrefabInstance"},
+            {1138, "m_PrefabAsset"},
+            {1152, "FileSize"},
+            {1161, "Hash128"}
+        };
+    }
+}

AssetStudio/EndianBinaryReader.cs

@@ -0,0 +1,116 @@
+using System;
+using System.Buffers.Binary;
+using System.IO;
+
+namespace AssetStudio
+{
+    public class EndianBinaryReader : BinaryReader
+    {
+        private readonly byte[] buffer;
+
+        public EndianType Endian;
+
+        public EndianBinaryReader(Stream stream, EndianType endian = EndianType.BigEndian, Game game = null) : base(stream)
+        {
+            Endian = endian;
+            buffer = new byte[8];
+            Game = game;
+        }
+
+        public long Position
+        {
+            get => BaseStream.Position;
+            set => BaseStream.Position = value;
+        }
+
+        public long[] BundlePos = Array.Empty<long>();
+        public Game Game;
+
+        public override short ReadInt16()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 2);
+                return BinaryPrimitives.ReadInt16BigEndian(buffer);
+            }
+            return base.ReadInt16();
+        }
+
+        public override int ReadInt32()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 4);
+                return BinaryPrimitives.ReadInt32BigEndian(buffer);
+            }
+            return base.ReadInt32();
+        }
+
+        public override long ReadInt64()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 8);
+                return BinaryPrimitives.ReadInt64BigEndian(buffer);
+            }
+            return base.ReadInt64();
+        }
+
+        public override ushort ReadUInt16()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 2);
+                return BinaryPrimitives.ReadUInt16BigEndian(buffer);
+            }
+            return base.ReadUInt16();
+        }
+
+        public override uint ReadUInt32()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 4);
+                return BinaryPrimitives.ReadUInt32BigEndian(buffer);
+            }
+            return base.ReadUInt32();
+        }
+
+        public override ulong ReadUInt64()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 8);
+                return BinaryPrimitives.ReadUInt64BigEndian(buffer);
+            }
+            return base.ReadUInt64();
+        }
+
+        public override float ReadSingle()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 4);
+                Array.Reverse(buffer, 0, 4);
+                return BitConverter.ToSingle(buffer, 0);
+            }
+            return base.ReadSingle();
+        }
+
+        public override double ReadDouble()
+        {
+            if (Endian == EndianType.BigEndian)
+            {
+                Read(buffer, 0, 8);
+                Array.Reverse(buffer);
+                return BitConverter.ToDouble(buffer, 0);
+            }
+            return base.ReadDouble();
+        }
+
+        public Float ReadFloat()
+        {
+            return new Float(ReadSingle());
+        }
+    }
+}

AssetStudio/EndianType.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AssetStudio
+{
+    public enum EndianType
+    {
+        LittleEndian,
+        BigEndian
+    }
+}

AssetStudio/Extensions/BinaryReaderExtensions.cs

@@ -0,0 +1,192 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using System.Linq;
+
+namespace AssetStudio
+{
+    public static class BinaryReaderExtensions
+    {
+        public static void AlignStream(this BinaryReader reader)
+        {
+            reader.AlignStream(4);
+        }
+
+        public static void AlignStream(this BinaryReader reader, int alignment)
+        {
+            var pos = reader.BaseStream.Position;
+            var mod = pos % alignment;
+            if (mod != 0)
+            {
+                reader.BaseStream.Position += alignment - mod;
+            }
+        }
+
+        public static string ReadAlignedString(this BinaryReader reader)
+        {
+            var length = reader.ReadInt32();
+            if (length > 0 && length <= reader.BaseStream.Length - reader.BaseStream.Position)
+            {
+                var stringData = reader.ReadBytes(length);
+                var result = Encoding.UTF8.GetString(stringData);
+                reader.AlignStream(4);
+                return result;
+            }
+            return "";
+        }
+
+        public static string ReadStringToNull(this BinaryReader reader, int maxLength = 32767)
+        {
+            var bytes = new List<byte>();
+            int count = 0;
+            while (reader.BaseStream.Position != reader.BaseStream.Length && count < maxLength)
+            {
+                var b = reader.ReadByte();
+                if (b == 0)
+                {
+                    break;
+                }
+                bytes.Add(b);
+                count++;
+            }
+            return Encoding.UTF8.GetString(bytes.ToArray());
+        }
+
+        public static Quaternion ReadQuaternion(this BinaryReader reader)
+        {
+            return new Quaternion(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
+        }
+
+        public static Vector2 ReadVector2(this BinaryReader reader)
+        {
+            return new Vector2(reader.ReadSingle(), reader.ReadSingle());
+        }
+
+        public static Vector3 ReadVector3(this BinaryReader reader)
+        {
+            return new Vector3(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
+        }
+
+        public static Vector4 ReadVector4(this BinaryReader reader)
+        {
+            return new Vector4(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
+        }
+
+        public static Color ReadColor4(this BinaryReader reader)
+        {
+            return new Color(reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle(), reader.ReadSingle());
+        }
+
+        public static Matrix4x4 ReadMatrix(this BinaryReader reader)
+        {
+            return new Matrix4x4(reader.ReadSingleArray(16));
+        }
+
+        public static int ReadMhy0Int1(this BinaryReader reader)
+        {
+            var buffer = reader.ReadBytes(7);
+            return buffer[1] | (buffer[6] << 8) | (buffer[3] << 0x10) | (buffer[2] << 0x18);
+        }
+
+        public static int ReadMhy0Int2(this BinaryReader reader)
+        {
+            var buffer = reader.ReadBytes(6);
+            return buffer[2] | (buffer[4] << 8) | (buffer[0] << 0x10) | (buffer[5] << 0x18);
+        }
+
+        public static string ReadMhy0String(this BinaryReader reader)
+        {
+            var bytes = reader.ReadBytes(0x100);
+            return Encoding.UTF8.GetString(bytes.TakeWhile(b => !b.Equals(0)).ToArray());
+        }
+
+        public static bool ReadMhy0Bool(this BinaryReader reader)
+        {
+            var value = reader.ReadMhy0Int2();
+            var bytes = BitConverter.GetBytes(value);
+            Array.Reverse(bytes);
+            return BitConverter.ToBoolean(bytes, 0);
+        }
+
+        private static T[] ReadArray<T>(Func<T> del, int length)
+        {
+            var array = new T[length];
+            for (int i = 0; i < length; i++)
+            {
+                array[i] = del();
+            }
+            return array;
+        }
+
+        public static bool[] ReadBooleanArray(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadBoolean, reader.ReadInt32());
+        }
+
+        public static byte[] ReadUInt8Array(this BinaryReader reader)
+        {
+            return reader.ReadBytes(reader.ReadInt32());
+        }
+
+        public static ushort[] ReadUInt16Array(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadUInt16, reader.ReadInt32());
+        }
+
+        public static int[] ReadInt32Array(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadInt32, reader.ReadInt32());
+        }
+
+        public static int[] ReadInt32Array(this BinaryReader reader, int length)
+        {
+            return ReadArray(reader.ReadInt32, length);
+        }
+
+        public static uint[] ReadUInt32Array(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadUInt32, reader.ReadInt32());
+        }
+
+        public static uint[][] ReadUInt32ArrayArray(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadUInt32Array, reader.ReadInt32());
+        }
+
+        public static uint[] ReadUInt32Array(this BinaryReader reader, int length)
+        {
+            return ReadArray(reader.ReadUInt32, length);
+        }
+
+        public static float[] ReadSingleArray(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadSingle, reader.ReadInt32());
+        }
+
+        public static float[] ReadSingleArray(this BinaryReader reader, int length)
+        {
+            return ReadArray(reader.ReadSingle, length);
+        }
+
+        public static string[] ReadStringArray(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadAlignedString, reader.ReadInt32());
+        }
+
+        public static Vector2[] ReadVector2Array(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadVector2, reader.ReadInt32());
+        }
+
+        public static Vector4[] ReadVector4Array(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadVector4, reader.ReadInt32());
+        }
+
+        public static Matrix4x4[] ReadMatrixArray(this BinaryReader reader)
+        {
+            return ReadArray(reader.ReadMatrix, reader.ReadInt32());
+        }
+    }
+}

AssetStudio/Extensions/BinaryWriterExtensions.cs

@@ -0,0 +1,27 @@
+using System;
+using System.IO;
+using System.Text;
+
+namespace AssetStudio
+{
+    public static class BinaryWriterExtensions
+    {
+        public static void AlignStream(this BinaryWriter writer, int alignment)
+        {
+            var pos = writer.BaseStream.Position;
+            var mod = pos % alignment;
+            if (mod != 0)
+            {
+                writer.Write(new byte[alignment - mod]);
+            }
+        }
+
+        public static void WriteAlignedString(this BinaryWriter writer, string str)
+        {
+            var bytes = Encoding.UTF8.GetBytes(str);
+            writer.Write(bytes.Length);
+            writer.Write(bytes);
+            writer.AlignStream(4);
+        }
+    }
+}

AssetStudio/Extensions/BitConverterExtensions.cs

@@ -0,0 +1,107 @@
+using System;
+using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+
+namespace AssetStudio
+{
+	public static class BitConverterExtensions
+	{
+		[StructLayout(LayoutKind.Explicit)]
+		private struct FloatUIntUnion
+		{
+			[FieldOffset(0)]
+			public uint Int;
+			[FieldOffset(0)]
+			public float Float;
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static uint ToUInt32(float value)
+		{
+			return new FloatUIntUnion { Float = value }.Int;
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static ulong ToUInt64(double value)
+		{
+			return unchecked((ulong)BitConverter.DoubleToInt64Bits(value));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static float ToSingle(uint value)
+		{
+			return new FloatUIntUnion { Int = value }.Float;
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static double ToDouble(ulong value)
+		{
+			return BitConverter.Int64BitsToDouble(unchecked((long)value));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static void GetBytes(ushort value, byte[] buffer, int offset)
+		{
+			buffer[offset + 0] = unchecked((byte)(value >> 0));
+			buffer[offset + 1] = unchecked((byte)(value >> 8));
+		}
+
+		public static void GetBytes(uint value, byte[] buffer, int offset)
+		{
+			buffer[offset + 0] = unchecked((byte)(value >> 0));
+			buffer[offset + 1] = unchecked((byte)(value >> 8));
+			buffer[offset + 2] = unchecked((byte)(value >> 16));
+			buffer[offset + 3] = unchecked((byte)(value >> 24));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static short Swap(short value)
+		{
+			return unchecked((short)(Swap(unchecked((ushort)value))));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static ushort Swap(ushort value)
+		{
+			return unchecked((ushort)(value >> 8 | value << 8));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static int Swap(int value)
+		{
+			return unchecked((int)(Swap(unchecked((uint)value))));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static uint Swap(uint value)
+		{
+			value = value >> 16 | value << 16;
+			return ((value & 0xFF00FF00) >> 8) | ((value & 0x00FF00FF) << 8);
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static long Swap(long value)
+		{
+			return unchecked((long)(Swap(unchecked((ulong)value))));
+		}
+
+		[MethodImpl(MethodImplOptions.AggressiveInlining)]
+		public static ulong Swap(ulong value)
+		{
+			value = value >> 32 | value << 32;
+			value = ((value & 0xFFFF0000FFFF0000) >> 16) | ((value & 0x0000FFFF0000FFFF) << 16);
+			return ((value & 0xFF00FF00FF00FF00) >> 8) | ((value & 0x00FF00FF00FF00FF) << 8);
+		}
+
+		public static int GetDigitsCount(uint value)
+		{
+			int count = 0;
+			while (value != 0)
+			{
+				value /= 10;
+				count++;
+			}
+			return count;
+		}
+	}
+}

AssetStudio/Extensions/PrimitiveExtensions.cs

@@ -0,0 +1,79 @@
+namespace AssetStudio
+{
+    public static class PrimitiveExtensions
+    {
+        public static int ParseDigit(this char _this)
+        {
+            return _this - '0';
+        }
+
+        public static string ToHexString(this byte _this)
+        {
+            return _this.ToString("x2");
+        }
+
+        public static string ToHexString(this short _this)
+        {
+            ushort value = unchecked((ushort)_this);
+            return ToHexString(value);
+        }
+
+        public static string ToHexString(this ushort _this)
+        {
+            ushort reverse = unchecked((ushort)(((0xFF00 & _this) >> 8) | ((0x00FF & _this) << 8)));
+            return reverse.ToString("x4");
+        }
+
+        public static string ToHexString(this int _this)
+        {
+            uint value = unchecked((uint)_this);
+            return ToHexString(value);
+        }
+
+        public static string ToHexString(this uint _this)
+        {
+            uint reverse = ((0xFF000000 & _this) >> 24) | ((0x00FF0000 & _this) >> 8) | ((0x0000FF00 & _this) << 8) | ((0x000000FF & _this) << 24);
+            return reverse.ToString("x8");
+        }
+
+        public static string ToHexString(this long _this)
+        {
+            ulong value = unchecked((ulong)_this);
+            return ToHexString(value);
+        }
+
+        public static string ToHexString(this ulong _this)
+        {
+            ulong reverse = (_this & 0x00000000000000FFUL) << 56 | (_this & 0x000000000000FF00UL) << 40 |
+                    (_this & 0x0000000000FF0000UL) << 24 | (_this & 0x00000000FF000000UL) << 8 |
+                    (_this & 0x000000FF00000000UL) >> 8 | (_this & 0x0000FF0000000000UL) >> 24 |
+                    (_this & 0x00FF000000000000UL) >> 40 | (_this & 0xFF00000000000000UL) >> 56;
+            return reverse.ToString("x16");
+        }
+
+        public static string ToHexString(this float _this)
+        {
+            uint value = BitConverterExtensions.ToUInt32(_this);
+            return ToHexString(value);
+        }
+
+        public static string ToHexString(this double _this)
+        {
+            ulong value = BitConverterExtensions.ToUInt64(_this);
+            return ToHexString(value);
+        }
+
+        public static int ToClosestInt(this long _this)
+        {
+            if (_this > int.MaxValue)
+            {
+                return int.MaxValue;
+            }
+            if (_this < int.MinValue)
+            {
+                return int.MinValue;
+            }
+            return unchecked((int)_this);
+        }
+    }
+}

AssetStudio/Extensions/StreamExtensions.cs

@@ -0,0 +1,24 @@
+using System.IO;
+
+namespace AssetStudio
+{
+    public static class StreamExtensions
+    {
+        private const int BufferSize = 81920;
+
+        public static void CopyTo(this Stream source, Stream destination, long size)
+        {
+            var buffer = new byte[BufferSize];
+            for (var left = size; left > 0; left -= BufferSize)
+            {
+                int toRead = BufferSize < left ? BufferSize : (int)left;
+                int read = source.Read(buffer, 0, toRead);
+                destination.Write(buffer, 0, read);
+                if (read != toRead)
+                {
+                    return;
+                }
+            }
+        }
+    }
+}

AssetStudio/Extensions/StringBuilderExtensions.cs

@@ -0,0 +1,87 @@
+using System.Text;
+
+namespace AssetStudio
+{
+	public static class StringBuilderExtensions
+	{
+		static StringBuilderExtensions()
+		{
+			for (int i = 0; i <= byte.MaxValue; i++)
+			{
+				ByteHexRepresentations[i] = i.ToString("x2");
+			}
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, byte value)
+		{
+			_this.Append(ByteHexRepresentations[value]);
+			return _this;
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, ushort value)
+		{
+			_this.Append(ByteHexRepresentations[(value >> 0) & 0xFF]);
+			_this.Append(ByteHexRepresentations[(value >> 8) & 0xFF]);
+			return _this;
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, short value)
+		{
+			return AppendHex(_this, unchecked((ushort)value));
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, uint value)
+		{
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 0) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 8) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 16) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 24) & 0xFF)]);
+			return _this;
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, int value)
+		{
+			return AppendHex(_this, unchecked((uint)value));
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, ulong value)
+		{
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 0) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 8) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 16) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 24) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 32) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 40) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 48) & 0xFF)]);
+			_this.Append(ByteHexRepresentations[unchecked((int)(value >> 56) & 0xFF)]);
+			return _this;
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, long value)
+		{
+			return AppendHex(_this, unchecked((ulong)value));
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, float value)
+		{
+			return AppendHex(_this, BitConverterExtensions.ToUInt32(value));
+		}
+
+		public static StringBuilder AppendHex(this StringBuilder _this, double value)
+		{
+			return AppendHex(_this, BitConverterExtensions.ToUInt64(value));
+		}
+
+		public static StringBuilder AppendIndent(this StringBuilder _this, int count)
+		{
+			for (int i = 0; i < count; i++)
+			{
+				_this.Append('\t');
+			}
+			return _this;
+		}
+
+		public static readonly string HexAlphabet = "0123456789abcdef";
+		public static readonly string[] ByteHexRepresentations = new string[256];
+	}
+}

AssetStudio/FileIdentifier.cs

@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace AssetStudio
+{
+    public class FileIdentifier
+    {
+        public Guid guid;
+        public int type; //enum { kNonAssetType = 0, kDeprecatedCachedAssetType = 1, kSerializedAssetType = 2, kMetaAssetType = 3 };
+        public string pathName;
+
+        //custom
+        public string fileName;
+    }
+}

AssetStudio/FileReader.cs

@@ -0,0 +1,116 @@
+using System.IO;
+using System.Linq;
+
+namespace AssetStudio
+{
+    public class FileReader : EndianBinaryReader
+    {
+        public string FullPath;
+        public string FileName;
+        public FileType FileType;
+        public long Length;
+
+        private static readonly byte[] gzipMagic = { 0x1f, 0x8b };
+        private static readonly byte[] brotliMagic = { 0x62, 0x72, 0x6F, 0x74, 0x6C, 0x69 };
+        private static readonly byte[] zipMagic = { 0x50, 0x4B, 0x03, 0x04 };
+        private static readonly byte[] zipSpannedMagic = { 0x50, 0x4B, 0x07, 0x08 };
+
+        public FileReader(string path, Game game = null) : this(path, File.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite), game) { }
+
+        public FileReader(string path, Stream stream, Game game = null) : base(stream, EndianType.BigEndian, game)
+        {
+            Game = game;
+            FullPath = Path.GetFullPath(path);
+            FileName = Path.GetFileName(path);
+            FileType = CheckFileType();
+            Length = stream.Length;
+            
+        }
+
+        private FileType CheckFileType()
+        {
+            if (IsSerializedFile())
+            {
+                return FileType.AssetsFile;
+            }
+            else if (Game != null)
+            {
+                return FileType.GameFile;
+            }
+
+            var signature = this.ReadStringToNull(20);
+            Position = 0;
+            switch (signature)
+            {
+                case "UnityWeb":
+                case "UnityRaw":
+                case "UnityArchive":
+                case "UnityFS":
+                    return FileType.BundleFile;
+                case "UnityWebData1.0":
+                    return FileType.WebFile;
+                default:
+                    {
+                        byte[] magic = ReadBytes(2);
+                        Position = 0;
+                        if (gzipMagic.SequenceEqual(magic))
+                        {
+                            return FileType.GZipFile;
+                        }
+                        Position = 0x20;
+                        magic = ReadBytes(6);
+                        Position = 0;
+                        if (brotliMagic.SequenceEqual(magic))
+                        {
+                            return FileType.BrotliFile;
+                        }
+                        if (IsSerializedFile())
+                        {
+                            return FileType.AssetsFile;
+                        }
+                        magic = ReadBytes(4);
+                        Position = 0;
+                        if (zipMagic.SequenceEqual(magic) || zipSpannedMagic.SequenceEqual(magic))
+                            return FileType.ZipFile;
+                        return FileType.ResourceFile;
+                    }
+            }
+        }
+
+        private bool IsSerializedFile()
+        {
+            var fileSize = BaseStream.Length;
+            if (fileSize < 20)
+            {
+                return false;
+            }
+            var m_MetadataSize = ReadUInt32();
+            long m_FileSize = ReadUInt32();
+            var m_Version = ReadUInt32();
+            long m_DataOffset = ReadUInt32();
+            var m_Endianess = ReadByte();
+            var m_Reserved = ReadBytes(3);
+            if (m_Version >= 22)
+            {
+                if (fileSize < 48)
+                {
+                    Position = 0;
+                    return false;
+                }
+                m_MetadataSize = ReadUInt32();
+                m_FileSize = ReadInt64();
+                m_DataOffset = ReadInt64();
+            }
+            Position = 0;
+            if (m_FileSize != fileSize)
+            {
+                return false;
+            }
+            if (m_DataOffset > fileSize)
+            {
+                return false;
+            }
+            return true;
+        }
+    }
+}

AssetStudio/FileType.cs

@@ -0,0 +1,20 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace AssetStudio
+{
+    public enum FileType
+    {
+        AssetsFile,
+        BundleFile,
+        GameFile,
+        WebFile,
+        ResourceFile,
+        GZipFile,
+        BrotliFile,
+        ZipFile
+    }
+}

AssetStudio/Game/BH3/WMVFile.cs

@@ -0,0 +1,30 @@
+using System.Collections.Generic;
+
+namespace AssetStudio
+{
+    public class WMVFile
+    {
+        public Dictionary<long, StreamFile[]> Bundles = new Dictionary<long, StreamFile[]>();
+        public WMVFile(FileReader reader)
+        {
+            if (reader.BundlePos.Length != 0)
+            {
+                foreach (var pos in reader.BundlePos)
+                {
+                    reader.Position = pos;
+                    var bundle = new BundleFile(reader);
+                    Bundles.Add(pos, bundle.FileList);
+                }
+            }
+            else
+            {
+                while (reader.Position != reader.Length)
+                {
+                    var pos = reader.Position;
+                    var bundle = new BundleFile(reader);
+                    Bundles.Add(pos, bundle.FileList);
+                }
+            }
+        }
+    }
+}

AssetStudio/Game/CB1/CB1File.cs

@@ -0,0 +1,21 @@
+using System.Collections.Generic;
+using System.IO;
+
+namespace AssetStudio
+{
+    public class CB1File
+    {
+        public Dictionary<long, StreamFile[]> Bundles = new Dictionary<long, StreamFile[]>();
+        public CB1File(FileReader reader)
+        {
+            var data = Mark.Decrypt(reader);
+
+            using (var ms = new MemoryStream(data))
+            using (var subReader = new FileReader(reader.FullPath, ms, reader.Game))
+            {
+                var bundle = new BundleFile(subReader);
+                Bundles.Add(0, bundle.FileList);
+            }
+        }
+    }
+}