[Opensim-dev] Proposal: Introduce key:value pair dictionaries into SOP and PrimitiveBaseShape

[Justin Clark-Casey]

On 29/07/10 01:40, Dahlia Trimble wrote:
> Similar to the OSDMap in libomv?

Not dissimilar, though the in-memory maps in OpenSim would need to hold arbitrary data types.  We couldn't use OSDMap 
directly unless we were happy to serialize objects to and from OSD for every get and set (or change the values directly 
in the OSD representation, which might be an idea).

>
>
> On Wed, Jul 28, 2010 at 2:39 PM, Justin Clark-Casey
> <jjustincc at googlemail.com <mailto:jjustincc at googlemail.com>> wrote:
>
>     Hi there.  Whilst implementing media-on-a-prim, I've been keeping as
>     much code in the MOAP region module as possible.
>
>     I'm quite impressed with how feasible this is.  However, there
>     remain three major structures where the core of OpenSim has to
>     understand something about media on a prim.
>
>     1)  Database plugins - to get/put values to named database columns
>     (e.g. prims.MediaURL).
>     2)  Script functions (e.g. llGetPrimMediaParams()).
>     3)  Scene objects (PrimitiveBaseShape.Media and
>     SceneObjectPart.MediaURL).
>
>     It's difficult to do anything right now about (1) and (2), but I
>     believe there is an opportunity to address (3).
>
>     What I would like to do is introduce dictionaries into
>     PrimitiveBaseShape and SceneObjectPart that would supplement
>     existing fields by storing arbitrary key/value pairs.  So instead of
>     having to hardcode a new MediaURL property on SceneObjectPart I
>     could instead get/put the data as something like
>     SceneObjectPart.Values["MediaURL"].
>
>     Thus, the dictionaries can act as blackboards for communication
>     between plugins and modules without the core of OpenSim having to
>     get involved.  I think that this would move us a tiny way towards
>     our vision of being a generic virtual environment platform and away
>     from hardcoded Second Life specifics, and make it easier to write
>     more ambitious region modules without additions to core.
>
>     Thoughts?
>
>     --
>     Justin Clark-Casey (justincc)
>     http://justincc.org
>     http://twitter.com/justincc
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-- 
Justin Clark-Casey (justincc)
http://justincc.org
http://twitter.com/justincc