[sldev] New viewer released with logging of the owners of speaking objects and their location

[nik at terminaldischarge.net]

> Dale Glass wrote:
>> On Friday 31 August 2007 04:52:47 Harold Brown wrote:
>>
>>> The Map API has a CAPS URL to query the region name from co-ordinate.
>>> Would you be able to use that?
>>>
>>
>> Jim sent me another email with the same question (I assume both were
>> mistakenly not forwarded to the list), so I'll reply to both here:
>>
>> No, the data I have is a region key and local coordinates, from the
>> ImprovedInstantMessage message:
>>                 {   RegionID            LLUUID  }
>>                 {       Position                LLVector3       }
>>
>> I don't know the global coordinate, so I can't use that. Also
>> MapBlockReply
>> has no region LLUUUID.
>>
>
> Why don't you use RegionHandleRequest? You can find esoteric stuff like
> this by searching through
> http://www.libsecondlife.org/template/release/1.18.2.0.txt, in this case
> I just searched for RegionID since it has been a while since I did what
> you are working on now.
>
>> So far the only message that seems to contain the required info is
>> RegionHandshake. Which is why I had to build a bot that hops like mad
>> between
>> sims gathering keys.
>>
>>
>> In my understanding, regions can be identified by:
>>
>> * Name. Easy to gather by map block request.
>>
>
> Is this true? I wasn't sure if names were unique identifiers for regions
>
>> * Handle. This is an U64 which at least from looking at the
>> libsecondlife
>> source seems to encode its position in the map. Also obtainable by map
>> block
>> request. This one sounds like it can change if the sim moves around.
>>
>
> It does contain the global X/Y position on the map, look in Helpers.cs
> at LongToUInts() for an example of how to do the conversion. And if the
> sim moves, it is my understanding that the handle will change (and
> possibly the UUID as well, not sure).
>
>> * RegionID. This is a LLUUID which seems to be the key assigned to the
>> sim,
>> and I assume it's not going to vary even if the sim is renamed or moved.
>>
>
> I wouldn't make assumptions too quickly. A notecard gets a new UUID if
> it is modified, why wouldn't a simulator get a new one if it moved?
Notecards get a new uuid when modified because it creates a ne copy of the
notecard when you modify it, which holds your modification.

Where as a SIM, doesn't. Its just one item. So if its moved its safer to
assume the UUID doesn't change. However, both could be right.

>
>> Handle to Name, Name to Handle, position to Name/Handle are all easy.
>> RegionID
>> is the tricky one to convert to anything else.
>>
>>
>
> RegionHandleRequest. It is a lot easier than teleporting across the
> entire grid building a database! Believe me, been there done that ;-).
>
> John Hurliman
>
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