[sldev] SLDev Digest, Vol 28, Issue 2

Philippe Bossut (Merov Linden) merov at lindenlab.com
Wed Apr 1 14:31:13 PDT 2009


Hi Maggie,

On Apr 1, 2009, at 11:19 AM, Maggie Leber (sl: Maggie Darwin) wrote:
> Any content that depends on Subnova serving a region texture UUID is
> in serious trouble with the new map system. See the forum discussion
> for some examples (Novatech,  Jer Straff's "Heavily Scripted
> Industries" vehicle products, Quantum Core radar etc.).
>
> I myself was about to build a moving-map navigation device for
> vehicles that would have leveraged the llDetectedTouch API, but with
> no in-world map textures anymore, that one goes in the toity. It might
> make sense to pull the new textures out of the Amazon S3 cloud, but
> with no real per-face HTML-on-a-prim yet (as opposed to the per-parcel
> dealie we got somewhere about SLV 1.19), that's just a dream. We
> currently can only address face textures with UUIDs, not URLs.


Ah well. I see now. This has to do with the changes to the mapserver  
(and, yes, I did work on that too with James and Philip), not the  
newly minted "http-texture" (temporary name...) branch.

I'm not going to reopen the long thread that was on the forum, let's  
try to focus on your use case.

Ideally, you want to get a prim to be able to address a texture with a  
URL as you mentioned. This is one of the objective of the work on this  
branch (hence its name) but it's a massive and deep change that will  
require lots of testing in virtually every area of the viewer. Working  
in the open here is one way to make this happen faster and make sure  
we leave no stone unturned, checking use cases that we have little  
ideas people do count on working. We hope with all those pairs of  
eyeballs on the code and builds, we'll get a better viewer in the end  
and avoid last minute surprise. Good.

Still, getting there will take times so, what can you do in the  
meantime? Well, we still produce the j2c map tiles for the asset  
server. We have to or existing viewers wouldn't be able to display the  
map. Is the problem that you can't guess the UUID for a region tile?  
It's somewhere for sure (the viewer map gets it) though I don't know  
if it's accessible from an LSL script (I guess it's not or no one  
would have any problem...).

Cheers,
- Merov


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