[Opensim-dev] Megaregions

[Diva Canto]

Good point. We'll make ODE understand vars.

On 9/4/2015 10:36 PM, Oren Hurvitz wrote:
> Strong -1.
>
> Varregions don't support ODE, therefore megaregions must remain.
>
> It's important to keep support for ODE because it has significant 
> benefits over BulletSim:
>
> Most importantly, ODE has consistently good performance, whereas 
> BulletSim sometimes gets into pathological states where it consumes 
> extremely high CPU and makes every avatar in the simulator freeze in 
> place. I reported this bug here: 
> http://opensimulator.org/mantis/view.php?id=6789#c26617 , but it's 
> still happening (I checked again last month). This is a huge problem 
> and it's the reason Kitely still uses ODE as the default physics 
> engine. (We provide BulletSim as an option, but we warn users against 
> using it.)
>
> Second, BulletSim has some strange behavior that ODE doesn't. E.g., in 
> BulletSim my avatar can walk vertically up some large prims! That 
> doesn't happen with ODE.
>
> Third, some users prefer ODE's behavior, and they have many scripts 
> that are fine-tuned for ODE. Switching to BulletSim would kill their 
> scripts.
>
> If Varregions supported ODE then it would be ok to eliminate 
> megaregions. But until that happens, megaregions are important and 
> need to remain.
>
> Oren
>
>
> On Sat, Sep 5, 2015 at 2:35 AM, Diva Canto <diva at metaverseink.com 
> <mailto:diva at metaverseink.com>> wrote:
>
>     Yeah, don't worry, there's no rush. We'll wait for people's input.
>     Eventually support for megaregions will be dropped. The question
>     is whether to drop it on the next release or wait a few more months.
>
>
>     On 9/4/2015 4:29 PM, Nicky Perian wrote:
>>     Diva,
>>     I don't have any technical input but, I don't think a complete
>>     input cannot be provided by posting this at the beginning of a 3
>>     day holiday weekend in the US. Hopefully, a decision will not be
>>     made over this weekend.
>>     Nicky
>>
>>     On Fri, Sep 4, 2015 at 5:34 PM, R.Gunther <rigun at rigutech.nl
>>     <mailto:rigun at rigutech.nl>> wrote:
>>
>>         Yes, am fine with it when it get removed. it's not good.
>>         But i expect some people that get sad because the still say
>>         megaregions work betetr and use that.
>>
>>         But Kill it ! :)
>>
>>
>>         On 2015-09-05 00:29, Trinity wrote:
>>>         KILL IT! KILL IT WITH FIRE!
>>>
>>>         Trinity93
>>>
>>>         On Fri, Sep 4, 2015 at 5:00 PM, Diva Canto
>>>         <diva at metaverseink.com <mailto:diva at metaverseink.com>> wrote:
>>>
>>>             Hi everyone,
>>>
>>>             We're cleaning up a few things in the code, and came
>>>             across megaregions. Now that we have varregions, there
>>>             is a strong will among core devs to remove support for
>>>             megaregions, because they were just a temporary hack for
>>>             when viewers didn't understand spaces greater than 256m.
>>>             Now that they do, the hack seems unnecessary moving
>>>             forward. Megaregions implementation is contrived and
>>>             makes a lot code unnecessarily complicated.
>>>
>>>             Any objections to its removal?
>>>
>>>             Diva
>>>             _______________________________________________
>>>             Opensim-dev mailing list
>>>             Opensim-dev at opensimulator.org
>>>             <mailto:Opensim-dev at opensimulator.org>
>>>             http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
>>>
>>>
>>>
>>>
>>>         _______________________________________________
>>>         Opensim-dev mailing list
>>>         Opensim-dev at opensimulator.org
>>>         <mailto:Opensim-dev at opensimulator.org>
>>>         http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
>>
>>
>>
>>         ------------------------------------------------------------------------
>>         Avast logo <https://www.avast.com/antivirus> 	
>>
>>         This email has been checked for viruses by Avast antivirus
>>         software.
>>         www.avast.com <https://www.avast.com/antivirus>
>>
>>
>>
>>         _______________________________________________
>>         Opensim-dev mailing list
>>         Opensim-dev at opensimulator.org
>>         <mailto:Opensim-dev at opensimulator.org>
>>         http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
>>
>>
>>
>>
>>     _______________________________________________
>>     Opensim-dev mailing list
>>     Opensim-dev at opensimulator.org <mailto:Opensim-dev at opensimulator.org>
>>     http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
>
>
>     _______________________________________________
>     Opensim-dev mailing list
>     Opensim-dev at opensimulator.org <mailto:Opensim-dev at opensimulator.org>
>     http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev
>
>
>
>
> -- 
> Oren Hurvitz
> VP R&D
> Kitely Ltd.
>
> Email: orenh at kitely.com <mailto:orenh at kitely.com>
>
>
> _______________________________________________
> Opensim-dev mailing list
> Opensim-dev at opensimulator.org
> http://opensimulator.org/cgi-bin/mailman/listinfo/opensim-dev

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://opensimulator.org/pipermail/opensim-dev/attachments/20150905/7b45a873/attachment.html>