I'm impressed and grateful that you both took the time to test things out. Here are some conclusions I have about the PC version:
Preface: A 'full' install is just like you said JohnD...it just means having those 7 files replace or swap-out their Vanilla counterparts, and the addition of all the extra factions, graphics, etc. that don't disturb anything. This has the effect that when you start the application AC, you're automatically in Aldebaran.
1. I think Scipio is saying that as long as the Aldeb alpha.txt is in the game directory somewhere, the scenario will 'make a call' on that brand if it was created by that brand.
2. However, because this didn't work for JohnD, we can conclude that he recieved a Vanilla brand .SAV file.
3. My conclusion is that Qantaga played 'MP-Scenario-Load-(the savegame file)' but did not follow rule 1 above: Keep the sav-games in the AldebMP folder, and (this is new) keep this somewhere inside the SMAC directory.
4. If there is no way for some versions of SMAC to play customized scenarios without 'full installing', then I suspect Firaxis didn't think anyone would ever try them.
5. It is true that if you load a Vanilla Smac game into Aldebaran it 'forces' the game into Aldebaran. However, this is not a fix to get back on track b/c
a. Imagine the previous player was studying biogenetics...next round they're forced back into Aldebaran and are studying the tech with that same number, which could be Arboreal Beginnings (tree farms).
b. There are some techs that don't exist (by their reference number) in SMAC that do in Aldebaran. The game will probably break if it encounters this (meaning a crash, not a reinstall).
4. As an aside, I may be the exception to the rule b/c the Mac and PC versions differ in this regard. I can play the darn thing from anywhere, even my pinky toe, and it's Aldebaran, with no Aldeb files around. No wonder I'm confused...heh.
I suggest we restart the game because it got miffed somewhere early-on. As far as I can tell, the protocol for interacting with the game will be: Play just like any other MP game, but keep the .SAV files in the AldebMP directory, and keep that in the AC directory. Sound right?
Another thing, how about everyone report what version of SMAC they are playing, just in case the problem comes up again. Of course, if it does, I'm feeding my files to
.
-Smack