Well, I'm not a C++ expert by any stretch of the imagination so take some of this with that in mind. When I first got into 3D graphics about 4 years ago I found that my compiler was just gathering dust but now I'm ready to dig back into it.
Of recent note, I came across the "disjunction" operation that is used in calculating a fuzzy logic output. It looks like just a glorified OR to me but it seems OR will not suffice.
As I noted, the SDK would make it nice to just plug in existing C++ code that is available in many programming manuals. I'm planning on using a fuzzy state machine as the basis of most of my simulation AI. I realize that's a pretty lofty goal but I've done some researching and I'm convinced its the best way to go for my app. I would also like the option of local variables.
In case other A4/5er's have an interest, LouderThanABomb has just released version 1.3b beta and they wanted the message passed on. If you've ever had even an inkling about using fuzzy logic for your game AI you're going to like this program. I've been sitting here in my free time amazed at how much simpler it is to design FLV's and FAM's with Spark. It's a graphical approach that's easy on the user.