On Tue, 18 Dec 2012 10:32:15 +0100, Henri Beauchamp wrote:
> On Mon, 17 Dec 2012 16:18:59 -0500, Oz Linden (Scott Lawrence) wrote:
>
> > No, we can't, sorry.
>
> Did you ever say "yes" and actually provide any kind of useful help
> to an OpenSource developer ?... I'm yet to find a case in which that
> happened...
>
> You, know, the time I spend sorting out LL's mess, I don't spend it
> providing you with bugfixes (even if, because of the stupid CA stuff,
> I must find convoluted ways to contribute, such as the private emails
> I already sent to you to point out and explain nasty bugs in your
> code).
>
> FYI, there are currently two nasty bugs in the renderer code that I
> was investigating:
> .../...
> - another, even more serious bug, deals with scripted, punctually
> moving objects (sliding and rotating doors, for example), which
> position fails to be updated in the renderer when they are off
> the camera FOV; click on an auto-closing door to open it, then
> turn away from it so that it's no more in the FOV and wait till
> it closes automatically, then turn around again to face it:
> surprise, it appears as still open (but it's not: you'd bump
> into it and right-clicking on the spot where it should be makes
> it render again) !
For what it is worth, I identified the bug that was preventing
step-rotating (llSetRot()) child primitives to be properly updated
while out of the FOV (the similar, sliding doors, issue was solved
in a recent patch that made its way to viewer-development lately).
The problem is in lldrawable.cpp, around line 562. You need to change:
else if (!isRoot() &&
(!mVObjp->getAngularVelocity().isExactlyZero() ||
dist_squared > 0.f))
for:
else if (!isRoot() && (target_rot != old_rot || dist_squared > 0.f))
This is because prims rotating with llSetRot() don't have a velocity.
Henri.
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