/// <summary>
/// Disassemble the .unity3d file.
/// </summary>
public void Disassemble()
{
_compressedFile.ReadFile();
_compressedFile.FileReader.BaseStream.Position = _compressedFile.Header.CompressedFileHeaderSize;
byte[] compressed_file_body = _compressedFile.FileReader.ReadByteArray(_compressedFile.Header.CompressedFileSizeWithoutHeader); //Get the body of the compressed file
ConsoleIO.Log("Decompressing the .unity3d with Lzma...");
_decompressedFile = new DecompressedFile(LzmaUtils.Decompress(compressed_file_body));
_decompressedFile.ReadFile();
}
public void Open()
{
var file = File.ReadAllBytes(FilePath);
var fileReader = new FileReader(file);
//read compressed header
var signature = fileReader.ReadString();
var buildVersion = fileReader.ReadInt32();
var webPlayerVersion = fileReader.ReadString();
var unityEngineVersion = fileReader.ReadString();
var compressedFileSize = fileReader.ReadInt32();
var compressedHeaderSize = fileReader.ReadInt32();
fileReader.SkipBytes(8);
var compressedBodySize = fileReader.ReadInt32();
var uncompressedSize = fileReader.ReadInt32();
var compressedFileSize2 = fileReader.ReadInt32();
var uncompressedHeaderSize = fileReader.ReadInt32();
if (fileReader.ReadByte() != 0x00) //end of header
{
throw new InvalidDataException(string.Format("Expected 0x00 at: {0}.", fileReader.Position.ToString("X2")));
}
fileReader.Position = compressedHeaderSize;
//decompress compressed body
var fileBody = fileReader.ReadByteArray(compressedBodySize);
var decompressedFile = LzmaUtils.Decompress(fileBody);
//read decompressed header
fileReader = new FileReader(decompressedFile);
var files = new WebArchiveFile[fileReader.ReadInt32()];
for (int i = 0; i < files.Length; i++)
{
files[i] = new WebArchiveFile();
files[i].Name = fileReader.ReadString();
files[i].Offset = fileReader.ReadInt32();
files[i].Size = fileReader.ReadInt32();
}
//read decompressed body
for (int i = 0; i < files.Length; i++)
{
fileReader.Position = files[i].Offset;
files[i].Bytes = fileReader.ReadByteArray(files[i].Size);
}
Files = files;
CompressedSize = compressedFileSize;
UncompressedSize = uncompressedSize;
Opened = true;
}
/// <summary>
/// Reads the specified .csv file from a <see cref="Byte"/> array and decompresses it if specifed.
/// </summary>
/// <param name="bytes"><see cref="Byte"/> array of the .csv file.</param>
/// <param name="compressed">>Whether the .csv file is compressed or not.</param>
public void Load(byte[] bytes, bool compressed)
{
if (compressed)
{
using (var mem = new MemoryStream())
{
mem.Write(bytes, 0, 9); // fix the header
mem.Write(new byte[4], 0, 4);
mem.Write(bytes, 9, bytes.Length - 9);
Load(LzmaUtils.Decompress(mem.ToArray()));
}
}
else
{
Load(bytes);
}
}
/// <summary>
/// Try to disassemble the .unity3d file.
/// </summary>
/// <param name="timesToTry">Times to try</param>
public void BurteForceDisassemble(int timesToTry)
{
ConsoleIO.WriteLine("Brute force disassembling file.");
byte[] buf = null;
for (int i = 0; i < timesToTry; i++)
{
try
{
buf = new byte[_compressedFile.Bytes.Length - i];
Buffer.BlockCopy(_compressedFile.Bytes, i, buf, 0, buf.Length);
LzmaUtils.Decompress(buf);
ConsoleIO.WriteLine("Was able to decompress file at offset: " + i.ToString("X"));
_decompressedFile = new DecompressedFile(LzmaUtils.Decompress(buf));
break;
}
catch { }
ConsoleIO.WriteLine("Failed to brute force unpack file. Tried: " + i.ToString(), ConsoleIO.LogType.Error);
}
}
/// <summary>
/// Loads osu! replay from specified <see cref="BinaryReader"/>.
/// </summary>
public void Load(OsuBinaryReader reader, bool fullLoad = false)
{
Ruleset = (Ruleset)reader.ReadByte();
Version = reader.ReadInt32();
BeatmapHash = reader.ReadString();
Username = reader.ReadString();
Hash = reader.ReadString();
Count300 = reader.ReadUInt16();
Count100 = reader.ReadUInt16();
Count50 = reader.ReadUInt16();
Gekis = reader.ReadUInt16();
Katus = reader.ReadUInt16();
Misses = reader.ReadUInt16();
TotalScore = reader.ReadUInt32();
MaxCombo = reader.ReadUInt16();
IsPerfect = reader.ReadBoolean();
Mods = (Mods)reader.ReadInt32();
string lifedata = reader.ReadString();
if (fullLoad)
{
if (!string.IsNullOrEmpty(lifedata))
{
var frames = new List <LifebarFrame>();
foreach (string block in lifedata.Split(','))
{
var pair = block.Split('|');
if (pair.Length == 2)
{
frames.Add(new LifebarFrame
{
Time = int.Parse(pair[0]),
Value = float.Parse(pair[1], CultureInfo.InvariantCulture)
});
}
}
Lifebar = frames.ToArray();
}
}
SubmitDate = new DateTime(reader.ReadInt64(), DateTimeKind.Utc);
if (fullLoad)
{
var frames = new List <DataFrame>();
foreach (string frame in Encoding.UTF8.GetString(LzmaUtils.Decompress(reader.ReadBytes(reader.ReadInt32()))).Split(','))
{
if (string.IsNullOrEmpty(frame))
{
break;
}
var pair = frame.Split('|');
if (pair.Length == 4)
{
if (pair[0] == "-12345")
{
Seed = int.Parse(pair[3]);
break;
}
frames.Add(new DataFrame
{
Time = int.Parse(pair[0]),
X = float.Parse(pair[1], CultureInfo.InvariantCulture),
Y = float.Parse(pair[2], CultureInfo.InvariantCulture),
Actions = (Actions)byte.Parse(pair[3])
});
}
}
Data = frames.ToArray();
}
else
{
int length = reader.ReadInt32();
reader.BaseStream.Position += length;
}
ScoreId = reader.ReadInt64();
if (Mods.HasFlag(Mods.Target))
{
TotalAccuracy = reader.ReadDouble();
}
}
