[opensource-dev] Review Request: STORM-58 Allow objects to have 99.99% max hollow for default hollow shape.

[Jamey Fletcher]

Zabb65 wrote:
> The clamp for primitive parameters was in place long before the
> megaprim "debacle", unless you are referring to the one in early 2006,
> possibly even earlier than that.

>> From what I know, doing this will require that the server be updated
> to relax this restriction.

That is the one I'm talking about - the one that resulted in a large 
part of the grid having objects created by Gene Replacement.

Somewhere prior to time frame, the server did not clamp the prim 
dimensions - it was done client side.  However, reverse-engineering of 
the protocol resulted in libsecondlife, which was used to create the 
most infamous of the "copybots", as well the megaprims labeled as 
created by Gene Replacement.

These prims were made full-permission and handed out quite widely - the 
20x20x0.5 cube prim is still one of the mainstays of building.  However, 
due to some of the other prims created, including a 65535x65535x0.01 
"infinite prim", which when rezzed often required Linden intervention to 
remove, Megaprims got the reputation for being laggy and bad for the 
system.  Linden Labs refused to support them, but also did not take 
action to remove them from the grid, unless they were specifically 
involved in a griefing action, such as the above prim.

For a long time, there were camps both within Linden Labs, and among the 
users, over whether or not to increase the limits.  Claims and 
counter-claims got pretty heated at times.  Finally, Andrew Linden, one 
of the anti-megaprim camp, proposed a series of checkpoints that if 
fulfilled, would lead him to supported "Megaprim Liberation Day".  The 
biggest thing was some way that users could remove megaprims from 
encroaching on their land, even if the center of the megaprim was not on 
their land.  The suggested fix at the time (and I suspect the one 
finally implemented) involved having parcels as a special object type in 
the physics engine, and checking for collision.

With the implementation of Mesh, though, we have something near full 
Megaprim liberation - we can create prims up to 64x64x64.  There will be 
times when even larger prims will be useful - and the Gene Replacement 
megaprims, as well as the second-wave ones created when the servers had 
clamping turned off by mistake a couple of years ago, are still in 
inventories and available.  But for the most part, the current maximum 
size is a very nice one, and I've already started using it to reduce my 
prim count.  Now, I just need to figure out why v3 won't run for me, so 
I can check into the "not involved in collisions" flag, which, but one 
reading of the announcement, means that prims flagged that way don't 
count against your parcel prim limit (though I suspect physics-enabled 
vehicle prim limit was what was meant).