internal static MethodBase GetOriginalMethod(this HarmonyMethod attr)
{
try
{
switch (attr.methodType)
{
case MethodType.Normal:
if (attr.methodName is null)
{
return(null);
}
return(AccessTools.DeclaredMethod(attr.declaringType, attr.methodName, attr.argumentTypes));
case MethodType.Getter:
if (attr.methodName is null)
{
return(null);
}
return(AccessTools.DeclaredProperty(attr.declaringType, attr.methodName).GetGetMethod(true));
case MethodType.Setter:
if (attr.methodName is null)
{
return(null);
}
return(AccessTools.DeclaredProperty(attr.declaringType, attr.methodName).GetSetMethod(true));
case MethodType.Constructor:
return(AccessTools.DeclaredConstructor(attr.declaringType, attr.argumentTypes));
case MethodType.StaticConstructor:
return(AccessTools.GetDeclaredConstructors(attr.declaringType)
.Where(c => c.IsStatic)
.FirstOrDefault());
case MethodType.Enumerator:
if (attr.methodName is null)
{
return(null);
}
var method = AccessTools.DeclaredMethod(attr.declaringType, attr.methodName, attr.argumentTypes);
return(AccessTools.EnumeratorMoveNext(method));
}
}
catch (AmbiguousMatchException ex)
{
throw new HarmonyException($"Ambiguous match for HarmonyMethod[{attr.Description()}]", ex.InnerException ?? ex);
}
return(null);
}
