stuff like this usually happen because the message box pump messages, and
therefore lets notifications through and xsi refreshes/updates some things
it would not have otherwise. it probably lets timer events through too.
On 2013-06-27 7:10 AM, "Oscar Juarez" <tridi.animei...@gmail.com> wrote:
> Hello list,
>
> This is a weird problem and the title doesn't fully describe what is
> happening since there is quite a lot of things involved in what I'm doing
> and I decided to post here since it's not really an Arnold thing but more
> of Softimage, it's just that if you have Arnold installed it is very easy
> to replicate. You just have to paste this, you must have Arnold and set it
> up as default on Softimage preferences. Change the path to a file you
> actually have.
>
> Application.NewScene("", "")
> Application.OpenScene("C:\\Program Files\\Autodesk\\Softimage 2013
> SP1\\Data\\XSI_SAMPLES\\Scenes\\OLD\\club_bot.scn", 0, "")
>
> I replicated on 2012 SP1, 2013 SP1 and in other computer with 2013 SP1 too.
>
> So a little bit of background.
>
> Arnold has an onEndNewScene event which basically checks if you have
> arnold as a default renderer and sets the scene to be ready to render with
> arnold, changes a shader on the default light, creates the framebuffers,
> etc. One of these things that changes is setting the render regions options
> for every view to use the pass rendering options. This is from a factory
> installation of Arnold.
>
> So for the actual problem, Tank has some routines for opening files that
> basically first reset the state of softimage with a NewScene, and after
> that opens the required scene turning off the confirmation dialog for
> saving the previous scene if Softimage detected it was dirty. Since the
> Arnold event is changing shaders and what not, a new scene will always be
> dirty so avoids asking the user.
>
> If I change to ask for confirmation, it doesn't crash anymore, if I skip
> the NewScene routine in tank, it doesn't crash, if I comment the block of
> code in Arnold event that sets the region options for all the views to use
> pass options it doesn't crash, that block of code is this one:
>
> SetValue(
>
>
> "Views.ViewA.RenderRegion.UsePassOptions,Views.ViewB.RenderRegion.UsePassOptions,"+
>
>
> "Views.ViewC.RenderRegion.UsePassOptions,Views.ViewD.RenderRegion.UsePassOptions",
> Array(true, true, true, true), null
> );
>
> I'm only assuming that it has to do to setting up values on parameters of
> viewports that are not loaded yet, since while every of this is happening
> the viewports are not really there.
>
> For now I can live with turning on confirmation on the tank routine but
> it's a weird bug because apparently the scene is opened but the crash comes
> from code that comes from an onEndNewScene Event.
>
> Does anybody had this before?
> Thanks in advance.
>
> Oscar
>
>
>
>
