[CsMain] Why SCF?

  Hi,

Being relatively new to CrystalSpace, I digged a bit deeper into the 
User's Manual again and came across the chapter about SCF. While having 
read it from beginning to end, I still don't have any clue about what 
this mechanism does bring to the table. I mean, what is the benefit to 
just declaring the implementing class itself and using that instead of 
an extra SCF interface?

I read something in the introduction about being able to do let SCF 
objects communicate between processes with COM and CORBA and the like, 
but why should somebody do that? It's a game engine, after all! In 99% 
of the case, a game does not have to integrate with its environment. 
(Maybe with other instances of itself running on other machines for 
multiplayer, but this should probably be the job of a network subsystem, 
not of a basic object framework.)

I also don't grasp the versioning argument. The manual says "if it 
happened that you compiled the shared library with a slightly different 
version of [concrete class] (that, say, had one member variable fewer) 
you will end up with a SIGSEGV crash." Isn't that what the d-pointer 
idiom [1] is for? I see no reason how SCF solves this better.

So, why SCF?

Regards,
Denis

[1] http://jatshergill.com/blog/?p=212

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