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Add missing prefix hook helper for one arg methods #18

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Merged
lorenzofman-tobspr merged 1 commit into from
Jun 29, 2026
Merged

Add missing prefix hook helper for one arg methods #18

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16 changes: 16 additions & 0 deletions ShapezShifter/src/ShapezShifter.SharpDetour/DetourHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,7 @@ void Patch(Action<TObject> orig, TObject self)
}
}

[Obsolete("Use the version that gets passed self")]
public static Hook CreatePrefixHook<TObject, TArg0>(
Expression<Action<TObject, TArg0>> original,
Func<TArg0, TArg0> prefix)
Expand All @@ -47,6 +48,21 @@ void Patch(Action<TObject, TArg0> orig, TObject self, TArg0 arg0)
orig(self, arg0);
}
}

public static Hook CreatePrefixHook<TObject, TArg0>(
Expression<Action<TObject, TArg0>> original,
Func<TObject, TArg0, TArg0> prefix)
{
MethodInfo actualMethodBody = GetRuntimeMethod<TObject>(original);

return new Hook(actualMethodBody, target: (Action<Action<TObject, TArg0>, TObject, TArg0>)Patch);

void Patch(Action<TObject, TArg0> orig, TObject self, TArg0 arg0)
{
arg0 = prefix(self, arg0);
orig(self, arg0);
}
}

public static Hook CreatePrefixHook<TObject, TArg0, TArg1>(
Expression<Action<TObject, TArg0, TArg1>> original,
Expand Down