[Opensim-dev] Best approach for Vanilla Opensim region module to create and manipulate scene objects.

[Justin Clark-Casey]

That's good to hear.

At some point this stuff should be more documented, but it's a big task and there's no formal API - here you're just 
interacting with what happens to be OpenSim's internals.

On 02/02/11 09:51, Gould, Simon wrote:
> Hi Justin,
>
> Got it working. I am using the 0.7.0.2 release of the code so had to
> make some changes, but you help was invaluable, thanks for the pointer
> to the tests too.
>
> Thanks again
>
> Simon
>
> -----Original Message-----
> From: opensim-dev-bounces at lists.berlios.de
> [mailto:opensim-dev-bounces at lists.berlios.de] On Behalf Of Justin
> Clark-Casey
> Sent: 01 February 2011 00:44
> To: opensim-dev at lists.berlios.de
> Subject: Re: [Opensim-dev] Best approach for Vanilla Opensim region
> module to create and manipulate scene objects.
>
> On 31/01/11 14:33, Gould, Simon wrote:
>> Hi All,
>>
>> I am new to Opensim development and was hoping I could "pick your
> brains" about how to best go about creating a region
>> module, using the Vanilla Opensim c# API, that will create and
> manipulate objects within a scene.
>
> API is rather strong at this point, but the internals have been stable
> for quite some time.  However, this isn't
> guaranteed to be the case in the future.
>
>>
>> I have taken a look at the documentation and also seen the Python
> Modrex visualisation of a Software project from source
>> control. Unfortunately I am not very familiar with the Opensim API or
> Python and we want to avoid complicating the
>> project by adding in extensions.
>>
>> What we have is a simple region module based on the Hello world
> example (I couldn't get the updated mechanism to work).
>>
>> Where I am struggling is with the loading and copying of the objects.
> What we want is to have a set of persistent
>> defined objects stored somewhere, then to create a number of these in
> the scene e.g. ObjA, ObjB and ObjC are stored
>> somewhere, we create 3 objAs and 2 objBs and connect them together
> using ObjCs.
>
> The technique I usually use is to place ObjA, ObjB and ObjC in another
> prim's inventory.  Then I rez them by retrieving
> them by name, with code like the following.
>
>               SceneObjectPart part;
>               Scene scene;
>               Vector3 rezPos;
>
>               TaskInventoryItem item =
> part.Inventory.GetInventoryItems(objAName)[0];
>
>               SceneObjectGroup so =
> part.Inventory.GetRezReadySceneObject(item);
>
>               scene.AddNewSceneObject(so, true, rezPos, so.Rotation,
> Vector3.Zero);
>
> If you need to link then programatically that's another issue.  There is
> some test code in
> OpenSim/Region/Framework/Scenes/Tests/SceneObjectLinkTests.cs that
> should prove useful.
>


-- 
Justin Clark-Casey (justincc)
http://justincc.org/blog
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