mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-29 22:34:13 +08:00
455 lines
16 KiB
C#
455 lines
16 KiB
C#
//! \file Asset.cs
|
|
//! \date Wed Apr 05 18:58:07 2017
|
|
//! \brief Unity asset class.
|
|
//
|
|
// Based on the [UnityPack](https://github.com/HearthSim/UnityPack)
|
|
//
|
|
// Copyright (c) Jerome Leclanche
|
|
//
|
|
// C# port copyright (C) 2017 by morkt
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
//
|
|
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Diagnostics;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using System.Text;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Unity
|
|
{
|
|
internal class Asset
|
|
{
|
|
int m_header_size;
|
|
int m_format;
|
|
uint m_data_offset;
|
|
bool m_is_little_endian;
|
|
UnityTypeData m_tree = new UnityTypeData();
|
|
Dictionary<long, int> m_adds;
|
|
List<AssetRef> m_refs;
|
|
Dictionary<int, TypeTree> m_types = new Dictionary<int, TypeTree>();
|
|
Dictionary<long, UnityObject> m_objects = new Dictionary<long, UnityObject>();
|
|
|
|
public int Format { get { return m_format; } }
|
|
public bool IsLittleEndian { get { return m_is_little_endian; } }
|
|
public long DataOffset { get { return m_data_offset; } }
|
|
public UnityTypeData Tree { get { return m_tree; } }
|
|
public IEnumerable<UnityObject> Objects { get { return m_objects.Values; } }
|
|
|
|
public void Load (AssetReader input)
|
|
{
|
|
m_header_size = input.ReadInt32();
|
|
input.ReadUInt32(); // file_size
|
|
m_format = input.ReadInt32();
|
|
m_data_offset = input.ReadUInt32();
|
|
if (m_format >= 9)
|
|
m_is_little_endian = 0 == input.ReadInt32();
|
|
input.SetupReaders (m_format, m_is_little_endian);
|
|
m_tree.Load (input);
|
|
|
|
bool long_ids = Format >= 14;
|
|
if (Format >= 7 && Format < 14)
|
|
long_ids = 0 != input.ReadInt32();
|
|
input.SetupReadId (long_ids);
|
|
|
|
int obj_count = input.ReadInt32();
|
|
for (int i = 0; i < obj_count; ++i)
|
|
{
|
|
input.Align();
|
|
var obj = new UnityObject (this);
|
|
obj.Load (input);
|
|
RegisterObject (obj);
|
|
}
|
|
if (Format >= 11)
|
|
{
|
|
int count = input.ReadInt32();
|
|
m_adds = new Dictionary<long, int> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
input.Align();
|
|
var id = input.ReadId();
|
|
m_adds[id] = input.ReadInt32();
|
|
}
|
|
}
|
|
if (Format >= 6)
|
|
{
|
|
int count = input.ReadInt32();
|
|
m_refs = new List<AssetRef> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
var asset_ref = AssetRef.Load (input);
|
|
m_refs.Add (asset_ref);
|
|
}
|
|
}
|
|
input.ReadCString();
|
|
}
|
|
|
|
void RegisterObject (UnityObject obj)
|
|
{
|
|
if (m_tree.TypeTrees.ContainsKey (obj.TypeId))
|
|
{
|
|
m_types[obj.TypeId] = m_tree.TypeTrees[obj.TypeId];
|
|
}
|
|
else if (!m_types.ContainsKey (obj.TypeId))
|
|
{
|
|
/*
|
|
var trees = TypeTree.Default (this).TypeTrees;
|
|
if (trees.ContainsKey (obj.ClassId))
|
|
{
|
|
m_types[obj.TypeId] = trees[obj.ClassId];
|
|
}
|
|
else
|
|
*/
|
|
{
|
|
Trace.WriteLine ("Unknown type id", obj.ClassId.ToString());
|
|
m_types[obj.TypeId] = null;
|
|
}
|
|
throw new ApplicationException (string.Format ("Unknwon type id {0}", obj.ClassId));
|
|
}
|
|
if (m_objects.ContainsKey (obj.PathId))
|
|
throw new ApplicationException (string.Format ("Duplicate asset object {0} (PathId: {1})", obj, obj.PathId));
|
|
m_objects[obj.PathId] = obj;
|
|
}
|
|
|
|
public Dictionary<long, string> ReadAssetBundle (Stream input, UnityObject bundle)
|
|
{
|
|
using (var stream = new StreamRegion (input, bundle.Offset, bundle.Size, true))
|
|
using (var reader = new AssetReader (stream, ""))
|
|
{
|
|
reader.SetupReaders (m_format, m_is_little_endian);
|
|
var name = reader.ReadString(); // m_Name
|
|
reader.Align();
|
|
var id_map = new Dictionary<long, string>();
|
|
id_map[bundle.PathId] = name;
|
|
int count = reader.ReadInt32(); // m_PreloadTable
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
reader.ReadInt32(); // m_FileID
|
|
reader.ReadInt64(); // m_PathID
|
|
}
|
|
count = reader.ReadInt32(); // m_Container
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
name = reader.ReadString();
|
|
reader.Align();
|
|
reader.ReadInt32(); // preloadIndex
|
|
reader.ReadInt32(); // preloadSize
|
|
reader.ReadInt32(); // m_FileID
|
|
long id = reader.ReadInt64();
|
|
id_map[id] = name;
|
|
}
|
|
return id_map;
|
|
}
|
|
}
|
|
}
|
|
|
|
internal class AssetRef
|
|
{
|
|
public string AssetPath;
|
|
public Guid Guid;
|
|
public int Type;
|
|
public string FilePath;
|
|
public object Asset;
|
|
|
|
public static AssetRef Load (AssetReader reader)
|
|
{
|
|
var r = new AssetRef();
|
|
r.AssetPath = reader.ReadCString();
|
|
r.Guid = new Guid (reader.ReadBytes (16));
|
|
r.Type = reader.ReadInt32();
|
|
r.FilePath = reader.ReadCString();
|
|
r.Asset = null;
|
|
return r;
|
|
}
|
|
}
|
|
|
|
internal class UnityObject
|
|
{
|
|
public Asset Asset;
|
|
public long PathId;
|
|
public long Offset;
|
|
public uint Size;
|
|
public int TypeId;
|
|
public int ClassId;
|
|
public bool IsDestroyed;
|
|
|
|
public UnityObject (Asset owner)
|
|
{
|
|
Asset = owner;
|
|
}
|
|
|
|
public void Load (AssetReader reader)
|
|
{
|
|
PathId = reader.ReadId();
|
|
Offset = reader.ReadUInt32() + Asset.DataOffset;
|
|
Size = reader.ReadUInt32();
|
|
if (Asset.Format < 17)
|
|
{
|
|
TypeId = reader.ReadInt32();
|
|
ClassId = reader.ReadInt16();
|
|
}
|
|
else
|
|
{
|
|
var type_id = reader.ReadInt32();
|
|
var class_id = Asset.Tree.ClassIds[type_id];
|
|
TypeId = class_id;
|
|
ClassId = class_id;
|
|
}
|
|
if (Asset.Format <= 10)
|
|
IsDestroyed = reader.ReadInt16() != 0;
|
|
if (Asset.Format >= 11 && Asset.Format < 17)
|
|
reader.ReadInt16();
|
|
if (Asset.Format >= 15 && Asset.Format < 17)
|
|
reader.ReadByte();
|
|
}
|
|
|
|
public string Type {
|
|
get {
|
|
var type_tree = Asset.Tree.TypeTrees;
|
|
if (type_tree.ContainsKey (TypeId))
|
|
return type_tree[TypeId].Type;
|
|
return string.Format ("[TypeId:{0}]", TypeId);
|
|
}
|
|
}
|
|
|
|
public override string ToString ()
|
|
{
|
|
return string.Format ("<{0} {1}>", Type, ClassId);
|
|
}
|
|
}
|
|
|
|
internal class TypeTree
|
|
{
|
|
int m_format;
|
|
List<TypeTree> m_children = new List<TypeTree>();
|
|
|
|
public int Version;
|
|
public bool IsArray;
|
|
public string Type;
|
|
public string Name;
|
|
public int Size;
|
|
public uint Index;
|
|
public int Flags;
|
|
|
|
public IList<TypeTree> Children { get { return m_children; } }
|
|
|
|
static readonly string Null = "(null)";
|
|
static readonly Lazy<byte[]> StringsDat = new Lazy<byte[]> (() => LoadResource ("strings.dat"));
|
|
|
|
public TypeTree (int format)
|
|
{
|
|
m_format = format;
|
|
}
|
|
|
|
public void Load (AssetReader reader)
|
|
{
|
|
if (10 == m_format || m_format >= 12)
|
|
LoadBlob (reader);
|
|
else
|
|
LoadRaw (reader);
|
|
}
|
|
|
|
void LoadRaw (AssetReader reader)
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
|
|
byte[] m_data;
|
|
|
|
void LoadBlob (AssetReader reader)
|
|
{
|
|
int count = reader.ReadInt32();
|
|
int buffer_bytes = reader.ReadInt32();
|
|
var node_data = reader.ReadBytes (24 * count);
|
|
m_data = reader.ReadBytes (buffer_bytes);
|
|
|
|
var parents = new Stack<TypeTree>();
|
|
parents.Push (this);
|
|
using (var buf = new BinMemoryStream (node_data))
|
|
{
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
int version = buf.ReadInt16();
|
|
int depth = buf.ReadUInt8();
|
|
TypeTree current;
|
|
if (0 == depth)
|
|
{
|
|
current = this;
|
|
}
|
|
else
|
|
{
|
|
while (parents.Count > depth)
|
|
parents.Pop();
|
|
current = new TypeTree (m_format);
|
|
parents.Peek().Children.Add (current);
|
|
parents.Push (current);
|
|
}
|
|
current.Version = version;
|
|
current.IsArray = buf.ReadUInt8() != 0;
|
|
current.Type = GetString (buf.ReadInt32());
|
|
current.Name = GetString (buf.ReadInt32());
|
|
current.Size = buf.ReadInt32();
|
|
current.Index = buf.ReadUInt32();
|
|
current.Flags = buf.ReadInt32();
|
|
}
|
|
}
|
|
}
|
|
|
|
string GetString (int offset)
|
|
{
|
|
byte[] strings;
|
|
if (offset < 0)
|
|
{
|
|
offset &= 0x7FFFFFFF;
|
|
strings = StringsDat.Value;
|
|
}
|
|
else if (offset < m_data.Length)
|
|
strings = m_data;
|
|
else
|
|
return Null;
|
|
return Binary.GetCString (strings, offset, strings.Length-offset, Encoding.UTF8);
|
|
}
|
|
|
|
internal static Stream OpenResource (string name)
|
|
{
|
|
var qualified_name = ".Unity." + name;
|
|
var assembly = Assembly.GetExecutingAssembly();
|
|
var res_name = assembly.GetManifestResourceNames().Single (r => r.EndsWith (qualified_name));
|
|
Stream stream = assembly.GetManifestResourceStream (res_name);
|
|
if (null == stream)
|
|
throw new FileNotFoundException ("Resource not found.", name);
|
|
return stream;
|
|
}
|
|
|
|
internal static byte[] LoadResource (string name)
|
|
{
|
|
using (var stream = OpenResource (name))
|
|
{
|
|
var res = new byte[stream.Length];
|
|
stream.Read (res, 0, res.Length);
|
|
return res;
|
|
}
|
|
}
|
|
}
|
|
|
|
internal class UnityTypeData
|
|
{
|
|
List<int> m_class_ids = new List<int> ();
|
|
Dictionary<int, byte[]> m_hashes = new Dictionary<int, byte[]> ();
|
|
Dictionary<int, TypeTree> m_type_trees = new Dictionary<int, TypeTree> ();
|
|
|
|
public IList<int> ClassIds { get { return m_class_ids; } }
|
|
public IDictionary<int, byte[]> Hashes { get { return m_hashes; } }
|
|
public IDictionary<int, TypeTree> TypeTrees { get { return m_type_trees; } }
|
|
|
|
public void Load (AssetReader reader)
|
|
{
|
|
int format = reader.Format;
|
|
var version = reader.ReadCString();
|
|
var platform = reader.ReadInt32 ();
|
|
if (format >= 13)
|
|
{
|
|
bool has_type_trees = reader.ReadBool ();
|
|
int count = reader.ReadInt32 ();
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
int class_id = reader.ReadInt32 ();
|
|
if (format >= 17)
|
|
{
|
|
reader.ReadByte ();
|
|
int script_id = reader.ReadInt16 ();
|
|
if (114 == class_id)
|
|
{
|
|
if (script_id >= 0)
|
|
class_id = -2 - script_id;
|
|
else
|
|
class_id = -1;
|
|
}
|
|
}
|
|
m_class_ids.Add (class_id);
|
|
byte[] hash = reader.ReadBytes (class_id < 0 ? 0x20 : 0x10);
|
|
m_hashes[class_id] = hash;
|
|
if (has_type_trees)
|
|
{
|
|
var tree = new TypeTree (format);
|
|
tree.Load (reader);
|
|
m_type_trees[class_id] = tree;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
int count = reader.ReadInt32 ();
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
int class_id = reader.ReadInt32 ();
|
|
var tree = new TypeTree (format);
|
|
tree.Load (reader);
|
|
m_type_trees[class_id] = tree;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
internal class AudioClip
|
|
{
|
|
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 string m_Source;
|
|
public long m_Offset;
|
|
public long m_Size;
|
|
public int m_CompressionFormat;
|
|
|
|
public void Load (AssetReader reader)
|
|
{
|
|
var name = reader.ReadString();
|
|
reader.Align();
|
|
m_LoadType = reader.ReadInt32();
|
|
m_Channels = reader.ReadInt32();
|
|
m_Frequency = reader.ReadInt32();
|
|
m_BitsPerSample = reader.ReadInt32();
|
|
m_Length = reader.ReadFloat();
|
|
m_IsTrackerFormat = reader.ReadBool();
|
|
reader.Align();
|
|
m_SubsoundIndex = reader.ReadInt32();
|
|
m_PreloadAudioData = reader.ReadBool();
|
|
m_LoadInBackground = reader.ReadBool();
|
|
m_Legacy3D = reader.ReadBool();
|
|
reader.Align();
|
|
m_Source = reader.ReadString();
|
|
reader.Align();
|
|
m_Offset = reader.ReadInt64();
|
|
m_Size = reader.ReadInt64();
|
|
m_CompressionFormat = reader.ReadInt32();
|
|
}
|
|
}
|
|
}
|