You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
57 lines
2.0 KiB
57 lines
2.0 KiB
using IPA.Utilities;
|
|
using System.Collections.Generic;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Text;
|
|
#if NET3
|
|
using Net3_Proxy;
|
|
using Path = Net3_Proxy.Path;
|
|
using File = Net3_Proxy.File;
|
|
using Directory = Net3_Proxy.Directory;
|
|
#endif
|
|
|
|
namespace IPA.Injector
|
|
{
|
|
internal static class GameVersionEarly
|
|
{
|
|
internal static string ResolveDataPath(string installDir) =>
|
|
Directory.EnumerateDirectories(installDir, "*_Data").First();
|
|
|
|
internal static string GlobalGameManagers(string installDir) =>
|
|
Path.Combine(ResolveDataPath(installDir), "globalgamemanagers");
|
|
|
|
internal static string GetGameVersion()
|
|
{
|
|
var mgr = ResolveDataPath(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);
|
|
}
|
|
}
|
|
|
|
internal static SemVer.Version SafeParseVersion() => new SemVer.Version(GetGameVersion(), true);
|
|
|
|
internal static void Load() => BeatSaber.SetEarlyGameVersion(SafeParseVersion());
|
|
}
|
|
}
|