internal static string GetGameVersion()
{
var mgr = GlobalGameManagers(UnityGame.InstallPath);
using (var stream = File.OpenRead(mgr))
using (var reader = new BinaryReader(stream, Encoding.UTF8))
{
const string key = "public.app-category.games";
int pos = 0;
while (stream.Position < stream.Length && pos < key.Length)
{
if (reader.ReadByte() == key[pos])
{
pos++;
}
else
{
pos = 0;
}
}
if (stream.Position == stream.Length) // we went through the entire stream without finding the key
{
throw new KeyNotFoundException("Could not find key '" + key + "' in " + mgr);
}
while (stream.Position < stream.Length)
{
var current = (char)reader.ReadByte();
if (char.IsDigit(current))
{
break;
}
}
var rewind = -sizeof(int) - sizeof(byte);
stream.Seek(rewind, SeekOrigin.Current); // rewind to the string length
var strlen = reader.ReadInt32();
var strbytes = reader.ReadBytes(strlen);
return(Encoding.UTF8.GetString(strbytes));
}
}
internal static string GetGameVersion()
{
var mgr = GlobalGameManagers(BeatSaber.InstallPath);
using (var stream = File.OpenRead(mgr))
using (var reader = new BinaryReader(stream, Encoding.UTF8))
{
const string key = "public.app-category.games";
int pos = 0;
while (stream.Position < stream.Length && pos < key.Length)
{
if (reader.ReadByte() == key[pos])
{
pos++;
}
else
{
pos = 0;
}
}
if (stream.Position == stream.Length) // we went through the entire stream without finding the key
{
throw new KeyNotFoundException("Could not find key '" + key + "' in " + mgr);
}
// otherwise pos == key.Length, which means we found it
int offset = 136 - key.Length - sizeof(int);
stream.Seek(offset, SeekOrigin.Current); // advance past junk to beginning of string
int strlen = reader.ReadInt32(); // assumes LE
var strbytes = reader.ReadBytes(strlen);
return(Encoding.UTF8.GetString(strbytes));
}
}
