This is a big, disruptive change, and I'm sympathetic to you,
really. YASim and Nasal were big and disruptive too. But so
far, OSG has produced literally zero benefit for anyone.
People's experience has been anywhere between "it seems to work
OK" to "everything is slow and ugly" to "I can't get it to
build!".
For myself:
+ I don't like the OSG build system at all.
+ It's freakin' huge!
+ C++ shared libraries (12 of them).
And the biggest complaint:
+ No released version of OSG works with FlightGear, nor does
their CVS head.
Hi Andy, all extremetly valid points that cannot be contested.
A couple points though in return.
First, the scene graph landscape has always been less than ideal. I remember going though the thought process the first time around of which scene graph library we would pick and at the time, plib had lots of limitations and was very new, but seemed like the least evil of the available options.
We can put forth some pretty strong complaints about OSG, but we can also do the same with Plib/ssg.
Plib/ssg has never even had multi-texturing support. Our attempts to submit patches to do that were rejected. Has plib/ssg seen any real development or advancement in the last 5 years? No shader support, no threading support, etc. Do any other major well known projects use plib/ssg besides FlightGear? Maybe a handful of smaller apps and home brew games?
Your last point that we require a branch of the OSG tree is probably the most problematic. However, getting the required changes and patches and fixes into the next OSG release is the top item on Mathias's todo list. I am led to believe that this is only a very short term problem for us.
We do have some friends highly placed in the OSG world, so I am confident that we will get our changes into the main OSG branch in due time.
Curt.
Curtis Olson - University of Minnesota - FlightGear Project
http://baron.flightgear.org/~curt/ http://www.humanfirst.umn.edu/ http://www.flightgear.org
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