public void Load(AssetReader input)
{
input.ReadInt32(); // header_size
input.ReadUInt32(); // file_size
m_format = input.ReadInt32();
m_data_offset = input.ReadUInt32();
if (m_format >= 9)
{
m_is_little_endian = 0 == input.ReadInt32();
}
if (m_format >= 22)
{
input.ReadInt32(); // header_size
input.ReadInt64(); // file_size
m_data_offset = input.ReadInt64();
input.ReadInt64();
}
input.SetupReaders(this);
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();
}
public void Load(AssetReader reader, string version)
{
if (version != "2017.3.1f1")
{
Load(reader);
if (0 == m_DataLength && version.StartsWith("2017.")) // "2017.2.0f3" || "2017.1.1p1"
{
reader.ReadInt64();
}
return;
}
m_Name = reader.ReadString();
reader.Align();
reader.ReadInt32(); // m_ForcedFallbackFormat
reader.ReadInt32(); // m_DownscaleFallback
m_Width = reader.ReadInt32();
m_Height = reader.ReadInt32();
m_CompleteImageSize = reader.ReadInt32();
m_TextureFormat = (TextureFormat)reader.ReadInt32();
m_MipCount = reader.ReadInt32();
m_IsReadable = reader.ReadBool();
reader.Align();
m_ImageCount = reader.ReadInt32();
m_TextureDimension = reader.ReadInt32();
m_FilterMode = reader.ReadInt32();
m_Aniso = reader.ReadInt32();
m_MipBias = reader.ReadFloat();
m_WrapMode = reader.ReadInt32(); // m_WrapU
reader.ReadInt32(); // m_WrapV
reader.ReadInt32(); // m_WrapW
reader.ReadInt32(); // m_LightmapFormat
m_ColorSpace = reader.ReadInt32();
m_DataLength = reader.ReadInt32();
}
public void Load(AssetReader reader)
{
m_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();
}
public void Load(AssetReader reader, UnityTypeData type)
{
if ("2021.1.3f1" == type.Version) // type.Hashes[28] == [0D 08 41 4C FD 5B DB 0D 22 79 20 11 BD A9 AB 26]
{
Load2021(reader);
return;
}
if (type.Version != "2017.3.1f1")
{
Load(reader);
if (0 == m_DataLength && type.Version.StartsWith("2017.")) // "2017.2.0f3" || "2017.1.1p1"
{
reader.ReadInt64();
}
return;
}
m_Name = reader.ReadString();
reader.Align();
reader.ReadInt32(); // m_ForcedFallbackFormat
reader.ReadInt32(); // m_DownscaleFallback
m_Width = reader.ReadInt32();
m_Height = reader.ReadInt32();
m_CompleteImageSize = reader.ReadInt32();
m_TextureFormat = (TextureFormat)reader.ReadInt32();
m_MipCount = reader.ReadInt32();
m_IsReadable = reader.ReadBool();
reader.Align();
m_ImageCount = reader.ReadInt32();
m_TextureDimension = reader.ReadInt32();
m_FilterMode = reader.ReadInt32();
m_Aniso = reader.ReadInt32();
m_MipBias = reader.ReadFloat();
m_WrapMode = reader.ReadInt32(); // m_WrapU
reader.ReadInt32(); // m_WrapV
reader.ReadInt32(); // m_WrapW
reader.ReadInt32(); // m_LightmapFormat
m_ColorSpace = reader.ReadInt32();
m_DataLength = reader.ReadInt32();
}
public List <Entry> Parse(AssetReader input)
{
var asset = new Asset();
asset.Load(input);
var dir = new List <Entry>();
m_bundles = new Dictionary <string, BundleEntry>();
var used_names = new HashSet <string>();
foreach (var obj in asset.Objects.Where(o => o.TypeId > 0))
{
input.Position = obj.Offset;
AssetEntry entry = null;
switch (obj.TypeId)
{
default:
break;
case 28: // Texture2D
{
var tex = new Texture2D();
tex.Load(input);
if (0 == tex.m_DataLength)
{
if (asset.Tree.Version.StartsWith("2017.")) // "2017.2.0f3" || "2017.1.1p1"
{
input.ReadInt64();
}
var stream_data = new StreamingInfo();
stream_data.Load(input);
if (!string.IsNullOrEmpty(stream_data.Path))
{
entry = new AssetEntry {
Name = tex.m_Name,
Type = "image",
Offset = stream_data.Offset,
Size = stream_data.Size,
Bundle = GetBundle(stream_data.Path),
};
}
}
else
{
entry = new AssetEntry {
Name = tex.m_Name,
Type = "image",
Offset = obj.Offset,
Size = obj.Size,
};
}
break;
}
case 83: // AudioClip
{
var clip = new AudioClip();
clip.Load(input);
if (!string.IsNullOrEmpty(clip.m_Source))
{
entry = new AssetEntry {
Name = clip.m_Name,
Type = "audio",
Offset = clip.m_Offset,
Size = (uint)clip.m_Size,
Bundle = GetBundle(clip.m_Source),
};
}
break;
}
case 49: // TextAsset
{
var name = input.ReadString();
input.Align();
uint size = input.ReadUInt32();
entry = new AssetEntry {
Name = name,
Offset = input.Position,
Size = size,
};
if (name.HasAnyOfExtensions("jpg", "png"))
{
entry.Type = "image";
}
break;
}
case 128: // Font
{
entry = new AssetEntry {
Offset = obj.Offset,
Size = obj.Size,
};
break;
}
}
if (entry != null)
{
entry.AssetObject = obj;
if (string.IsNullOrEmpty(entry.Name))
{
entry.Name = string.Format("{0:D4} [{1}]", obj.PathId, obj.TypeId);
}
else if (!used_names.Add(entry.Name))
{
entry.Name = string.Format("{0}-{1}", entry.Name, obj.PathId);
}
dir.Add(entry);
}
}
return(dir);
}