OpenSim Weekly News - week ending Saturday 12th April 2008

Hello there. For the past couple of weeks I’ve posted a weekly OpenSim development summary to this group blog. However, I’ve realized that I’m a shameless traffic whore (and it does take a surprising amount of time to write the post!), so today’s summary and future editions will be posted to my own blog here. Corrections and comments are still welcome.

OpenSim Weekly News - week ending Saturday 5th April 2008

This week in OpenSim…

  • Teravus fixed a bug which caused problems with region interoperability between Windows and Linux servers. Hurrah for platform neutrality!
  • Adam made more changes to terrain commands.
  • I made a change where the “Take Copy” option in the pie menu really does take a copy of the object rather than the object itself.
  • I made a change so that prims copied using the shift copy method now properly retain their script contents.
  • Teravus updated our embedded OpenDynamicsEngine library. This may have an impact on physics stability when using this engine.
  • sdague reorganized the database namespaces to be OpenSim.Data.* rather than OpenSim.Framework.Data.*. If you’re having trouble running OpenSim, try changing all your references in OpenSim.ini and all the bin/*.xml configuration files (if you are running a grid) to point to the new namespace.
  • I made a change so that the scripts contained in all linked prims can now be properly edited using the ‘Edit linked parts’ option.
  • We had a small hiccup with inventory as the underlying mechanism has changed to CAPS in the latest Linden 1.19.1.4 client. But with lots of preparatory work by MW, Teravus and a very small fix by myself, inventory appears to be working again in the latest client! However, we do still appear to have all the inventory bugs which existed before the 1.19.1.4 client :-)
  • Teravus changed the default packet output queue throttle settings. This should help any problems people have been seeing with prims which appear to be missing when they login (but can still be bumped into!). It should also help with land block problems.

OpenSim Weekly News - Week ending 29th March 2008

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So, since I’ve encountered a few situations where people haven’t been aware of certain new features or fixes (since us developers are in the habit of sometimes only writing this in the subversion logs), I thought I’d start writing a weekly summary of the technical activity. Most of this is culled from svn updates, so I might not actually know all that much about the change in question. As these changes are hot off the keyboard, there are also no guarantees that they actually work yet :) These entries are just the highlights - not all changes and fixes are included.

I’ve no idea how long I’m going to keep this up, but I’m going to try :)

Anyway, on with the show! This week in OpenSim…

  • I implemented code to limit incoming texture requests. For some time now we’ve had an issue (which shows up on osgrid) where memory leaks away when many clients are logged on until the simulator crashes. I believe this is primarily due to the fact that on a heavily loaded sim, we don’t respond to client texture requests within the client’s timeout and retry period. When the client retries the request, we add another load of texture packets on to the output queue. As a temporary solution, we now limit the number of requests that can be made for the same texture, dropping extra requests after a predetermined number. This is crude, but appears to work for now and can be improved later.
  • Alondria implemented the lsl functions llLoopSound(), llStopSound(), llAdjustSoundVolume(), llRemoveFromLandBanList, llRemoveFromLandPassList, llAddToLandBanList, llAddToLandPassList, llResetLandPassList, llResetLandBanList, llGetParcelPrimOwners(), llGetInventoryNumber(), llGetInventoryType(), llGetInventoryCreator(), llGetInventoryPermMask(), llGetInventoryNumber(). Go Alondria!
  • Teravus fixed up llApplyImpulse()
  • Teravus added partial support for llMoveToTarget() and llStopMoveToTarget() to the ODE physics engine.
  • Michael Osias submitted a patch to fix multiple llListens and implemented llMessageLinked()
  • Teravus implemented Oriented Bounding Box raytracing. Now you can rez one prim on top of another!
  • I implemented proper CAPS seed hand off on region crossings. Essentially, this means CAPS functions (which includes script and notecard saving) should be available on non-home regions on a grid.
  • I fixed initial inventory skeleton passing and some async inventory issues. Essentially, this means that folders deeper than the first level should now work better. Also, the texture picker in the edit prim dialog should now work (again).

Phew, that was more stuff than I thought.

– justincc (Justin Clark-Casey)