How can I avoid the power of decompiler? I don't use double in my game, if somebody else wants to get the code, a simplest decompiler can do the job in one second. If I want to sell my game, it shoudn't be an open source.
I note some commercial game, even the name of class is a, b, c, d..., I guess in the code, it's seam thing.
Which tool I can use to do it?