Just want to hint you about a tutorial series im doing.
Not sure if interesting for you, but i just found your project, and thought its a good idea to inform you that i am doing a tutorial series which includes building an e2140 mod on the OpenRA engine: https://www.youtube.com/playlist?list=PLfB8AMhujfIsFdjQ2-aFaupkyDUKNjmnP code for the current video progress: https://github.com/IceReaper/Earth2140
Oh interesting indeed and thanks for sharing! Using OpenRA was an option but I think that the way E2140 works it might be better to do from scratch to avoid trying to adapt E2140 specific stuff into an engine made with CnC style in mind.
Thats what i thought too, but openra is trying hard to untie from cnc. Hence i am doing kknd on openra basis