[sldev] Object and Texture Cache

Ingmar Hupp ingmar at RiversRunRed.com
Fri Sep 21 13:53:23 PDT 2007


You're probably better off grabbing the actual 3D data via http:// 
ogle.eyebeamresearch.org/ than getting the prim parameters, because  
then you'd still have to implement the rendering for those.


Ingmar

On 21 Sep 2007, at 15:00, Andreas Lichtenberger wrote:

> We want to render a SL scene in a own rendering engine. At the  
> moment just a static scene. Without agentmovement and without  
> connection to the sim.
> So I need the data which goes through the sl rendering pipeline. My  
> idea was to fill the clean cache, just starting second life, let  
> the scene load and close it again.
> Then to read out the cache and store the rendering data.
> At the moment I´m able to read out the .slc files. So I have  
> LLVOCacheEntries. What is written in the mBuffer U8[size] Array?  
> Can I use this information to restore
> the object data?
> Is there an other way to bring the objects data in a format like  
> the data in the llm files of the character?
> It would be a great start, to know how Vertices, Faces and so on  
> are created based on the prim parameters and where the  
> primparameters are stored, if they are stored.
> Can you tell me what is written in the data.db2.x... file of the  
> cache directory? Just sounds?
> I tried to restor the j2c textures of the cache. But I did  
> something wrong. I think, I have some misunderstandings, how long  
> the header of these files are and how the headers are stored.
> Best regards,
> Andi
>
>
>
> Dirk Moerenhout schrieb:
>> Textures are stored and can be retrieved but I fear that you have a
>> misconception related to vertices that will stop you from reaching
>> your goals.
>>
>> Vertices, faces ... are created based on the prim parameters. They  
>> are
>> not stored as vertices. It's probably better if you give some idea of
>> what you want to achieve first.
>>
>> Dirk aka Blakar Ogre
>>
>> On 9/21/07, Andreas Lichtenberger <webmaster at ligosworld.com> wrote:
>>
>>>  Hi,
>>>  is anyone able to explain me Object and Texturecache, especially  
>>> how I can
>>> read it out.
>>>  I need Object vertices, faces and textures for testing.
>>>
>>>  Regards
>>>  Andi
>>>
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-- 
Ingmar "Ezhar Fairlight" Hupp | Head of Technology | Rivers Run Red
http://spacethinkdream.com | http://riversrunred.com


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