[Opensim-dev] Attached Linksets and Collisions? (on SVN 10029)

[John Sheridan]

You are correct sir!  10051 looks to have fixed it. 

Thank you. :)

 - John / Orion Pseudo

Teravus Ovares wrote:
> If you're testing revisions, you might want to try 10051 or above
> since this revision was directed to fix this incorrect behavior in the
> attach/rez code.
>
> Regards
>
> Teravus
>
> On Sat, Jul 18, 2009 at 1:13 AM, John Sheridan<john at pseudospace.net> wrote:
>   
>> Gang,
>>  Before I plug this into Mantis, I wanted to confirm this with the
>> developers.  Recently I've been noticing that after teleporting in or
>> attaching something my avatar has been getting bumped / tossed around
>> quite a bit.  It occurred to me, that this seems like its typically a
>> physical reaction - as if one were to be hit with a physical prim or
>> collide into a static prim. So I looked up the top colliders in the
>> estate tools and found a whole bunch of colliding prims (~300 in total)
>> all at the same location and owned by me.  Which was strange enough on
>> its own given the sim was empty of prims other then what was attached to
>> my avatar.
>>
>>  So to test I removed all of my attachments then suddenly the
>> collisions cleared.  When I re-attached everything they returned.  To
>> dig a bit deeper, I rezzed my hair and shoes to the ground, and found
>> that everything was normal, and the physics option was not ticked.  Out
>> of curiosity, I set the hair and both shoes to phantom, took them back
>> into inventory, then re-attached.  Surprisingly, no more collisions!
>>
>>  From the looks of this it seems that when attached, prims are either
>> becoming physical and colliding with one another and the avatar, or more
>> likely are remaining normal / static and just colliding with the avatar
>> since they're not moving or flying haphazardly about as is typical of a
>> physical prim when bumped.
>>
>>  Upon further testing though, I did however discover something rather
>> interesting.  So far I've only tested with the skull attachment point,
>> but when a single prim is attached it acts normally.  The avatar is not
>> bumped when it rezzes and no collisions show in the estate tools.
>> However, when two or more prims are linked and then attached the avatar
>> is bumped around and it seems that only the prims in the linkset that
>> are touching the avatar begin to register collisions within the estate
>> tools.
>>
>> To reproduce this:
>>
>> 1 - rez a single prim to the ground
>> 2 - take to inventory
>> 3 - attach to skull
>>
>>  - Check the estate tools and no collisions show.
>>
>> 1 - rez several prims to the ground
>> 2 - link them
>> 3 - take to inventory
>> 4 - attach to skull
>>
>>  - Check the estate tools and only the prims in the linkset which are
>> touching the avatar will show.
>>
>> 1 - re-rez the linkset to the ground
>> 2 - tick the phantom checkbox
>> 3 - take to inventory
>> 4 - attach to skull.
>>
>>  - Check the state tools and no collisions show.
>>
>> I wonder if per chance this is related to the recent oddness with logins
>> / teleports / sim crossings where ODE has been going batty?
>>
>> Thanks, :)
>>
>>  - John / Orion Pseudo
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>>
>>     
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