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improve server selector logic

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This commit is contained in:
Mikhail Tyukin
2025-05-15 15:39:13 -04:00
parent c7ccb92659
commit 03aca327b0
1 changed files with 38 additions and 4 deletions
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42
ServerSelector/ServerSwitcher.cs
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@@ -138,17 +138,51 @@ namespace ServerSelector
public static bool PatchGameAssembly(string dll, bool install)
{
// v124 introduced check to ensure that sodium dll is not changed.
if (!GameAssemblyNeedsPatch) return true;
bool backupExists = File.Exists(dll + ".bak");
string backupPath = dll + ".bak";
bool backupExists = File.Exists(backupPath);
if (install && !backupExists)
/*
Official->Local (Install):
- Check if backup file exists:
- Game was updated, delete backup file
- Check if game assembly is not patched:
- Patch game assembly
Local->Official (Uninstall):
- Check if game assembly is not patched:
- Game updated, delete backup and return
- Check if backup exists
- Restore DLL
*/
if (install)
{
// todo reuse offset value
if (backupExists && PatchUtility.CanFindOffset(dll, GameAssemblySodiumIntegrityFuncHint))
{
// game was likely updated, delete backup
File.Delete(backupPath);
}
// patch assembly
return PatchUtility.SearchAndReplace(dll, GameAssemblySodiumIntegrityFuncHint, GameAssemblySodiumIntegrityFuncPatch);
}
else if (backupExists && !PatchUtility.CanFindOffset(dll, GameAssemblySodiumIntegrityFuncHint))
else
{
File.Move(dll + ".bak", dll, true);
if (PatchUtility.CanFindOffset(dll, GameAssemblySodiumIntegrityFuncHint))
{
// game was updated, delete backup
if (backupExists) File.Delete(backupPath);
return true;
}
// restore backup if it exists
if(backupExists)
{
File.Move(backupPath, dll, true);
}
}
return true;