[Opensim-dev] SceneObjectGroup vs SceneObjectPart

[dirk husemann]

Stefan Andersson wrote:
> Ok guys,
>  
> since we haven't started the 0.6 discussion, I'd like to kick off with 
> a couple of observations;
>  
> * We need to revise the SceneObjectGroup/SceneObjectPart bit as it 
> stands for several reasons: 1) It doesn't hold for attachments  2) It 
> doesn't hold as a object model (we still have that root mess)  3) It's 
> a hell of a lot of duplication, as several fields aren't used on child 
> objects (like permissions and objectflags) and it's real bad db 
> normalization.
> * Related, we need to revise the xml serialization scheme and the db 
> schemes. The xml scheme should be user-friendly to the point where you 
> should be confident to create and edit objects in notepad, basically. 
> This is not the case at the moment. Massive duplication, weird bit 
> values and non-intuitive value ranges are king at the moment.
>  
> We need to kickstart these issues, I'm not entirely sure how. I do 
> know that these kinds of radical changes are seriously hampered by the 
> need for backwards compatibility; we now see ourselves painting 
> ourselves into the very same kinds of corners that made other 
> companies choose really weird solutions - the question is if we are 
> going to go down the same route?
>  
> So, should 0.6 be developed in a branch by itself, and with tools to 
> migrate from 0.5 to it? How should we address the already-installed 
> content?
>  
> I am 100% tech on these issues, so you content people, please comment.
not a content person, but i'd go for clean approach with tools to migrate.

    cheers,
    dirk

-- 
dr dirk husemann, pervasive computing, ibm zurich research lab
--- hud at zurich.ibm.com --- +41 44 724 8573 --- SL: dr scofield

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