[sldev] Plugin API Architecture for Second Life

Tim Shephard tshephard at gmail.com
Tue Feb 13 12:47:00 PST 2007

> *  Other hooks/interfaces that give access to useful functionality.  I
> think Bushing sums up the options well here:
> https://wiki.secondlife.com/wiki/Plugin_architecture_Low-level_Architecture

This approach is great, however there are a couple of specific concerns I have:

* The hook code on this page is not linking against the functionality
at large in the client.  This means there is no easy way to add
messages to the queue or access the global UI factories.

For example,  it would be nice to call


>From the plugins.

* I'd like to see an arbitrary number of parameters rather than just
two.  Also, once we're bringing in headers from the client we should
be able to use better typing than void  *s.



> -------- Original Message --------
> Subject:        [sldev] In-client avatar scanner in progress
> Date:   Sat, 20 Jan 2007 04:12:18 +0100
> From:   Dale Glass <dale at daleglass.net>
> To:     sldev at lists.secondlife.com
> Ok, I've been giving this a try, and so far I seem to be getting somewhere.
> http://daleglass.net/images/screenshots/client_scanner.png
> The aim is to create an avatar scanner in the client, showing avatar,
> distance, and payment data to start with. As you can see there I mostly
> looked at how the avatar list is built and tried to make my own code starting
> from that. Screenshot is a bit old, current state of things is better.
> I thought I would ask a few questions to make sure I'm going in the right
> direction:
> So far I figured out LLVOAvatar::sInstances seems to be a list of all the
> avatars the client knows of (probably the ones known in the connected sims).
> Is this the right place to look for the data? I want to at the very least
> duplicate the functionality of in-world scanners, but with a better
> interface. A constraint is that I don't want to add extra load unless
> required, so I'd like to use data that the client already gets if possible.
> Also, can columns be hidden? I'd like to display quite a lot of data, but most
> people probably won't want all of it (like the exact avatar position)
> What is LLVOAvatar::isDead()?
> Lack of comments in the source complicates things a bit for me, as I'm not
> entirely sure I'm looking for things in the right place, for instance. One of
> my plans is to add doxygen docs to things as I figure them out. Will LL
> accept patches for this?
> Does anybody (LL/SL users) mind such a feature being developed, and are there
> chances of getting it into the official client?
> And, is there a testing grid/sim for playing with this stuff? I asked on a
> recent town hall, and got told to look in the FAQ, but I don't see anything
> in it. Attempts to connect to other grids failed.
> Hope that's not too many questions. Thanks in advance :-)
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