[DisableAutoCreation] doesn't work on inherited systems

[DisableAutoCreation] flag doesn't work on inherited systems. If I want to have loads of systems disabled, I just inherit them from the class with [DisableAutoCreation] attribute. However, it doesn't work, unless I go to the Entities package code and modify these lines myself:

Code (CSharp):

1.             var disableTypeAutoCreation = Attribute.IsDefined(type, typeof(DisableAutoCreationAttribute), false);
2.  
3.             // these types obviously cannot be instantiated
4.             if (type.IsAbstract || type.ContainsGenericParameters)
5.             {
6.                 if (disableTypeAutoCreation)
7.                     Debug.LogWarning($"Invalid [DisableAutoCreation] on {type.FullName} (only concrete types can be instantiated)");
8.  
9.                 return false;
10.             }

into this:

Code (CSharp):

1.             var disableTypeAutoCreation = Attribute.IsDefined(type, typeof(DisableAutoCreationAttribute), true);
2.  
3.             // these types obviously cannot be instantiated
4.             if (type.IsAbstract || type.ContainsGenericParameters)
5.             {
6.                 //if (disableTypeAutoCreation)
7.                 //    Debug.LogWarning($"Invalid [DisableAutoCreation] on {type.FullName} (only concrete types can be instantiated)");
8.  
9.                 return false;
10.             }

Is there any reason why Unity doesn't allow this? Or is there any other way how I can manually initialize the systems myself, without Unity manually forcing me to do this on every single system?

P.S. I use abstract base class for an attribute, hence I don't need that warning as well. I know it won't get initialized.

 

You can disable auto creation of all systems in an assembly if you create an AssemblyInfo.cs file with

Code (CSharp):

1. using Unity.Entities;
2.  
3. [assembly: DisableAutoCreation]

 

Yeah, I guess I could move everything into a different assembly, but then half of my scripts would be in one assembly, if I wanted some to be created automatically, and then the rest in another one - if they were manual.

Simply allowing to mark any class with that attribute would be much more helpful...