Celestia Forums

Hello all,

I'm new to Celestia (discovered it a few days ago) and am currently taking a shot at compiling it under Microsoft Visual C++ 2005 Express. I downloaded the source code from the Celestia page ... not from the CVS repository (is this a problem?).

Anyway, I converted the VC++ 6.0 workspace / project files into a VC++ 2005 solution and then took it from there. Basically what happened is that I got about 70 linker errors ... unresolved symbols mostly stemming from the fact that not all cpps are actually contained in the various Celestia subprojects. I added them myself and this seems to have resolved those linker errors. Also the celengine project contained one file ./octree.cpp that doesn't actually exist. I take it it probably did exist at some point in the past but was removed ... only no one remembered to update the VC++ 6.0 projects to account for it?

Yeah, basically I just want to ask if my suspicion is correct (namely that the MS VC++ project file is out of date) or if I'm just doing something wrong.

Yay, finally got it to work after several hours of battling compiler and linker errors!

Sorry, it's probably bad form to constantly reply to myself but I just ran the program in the debugger and immediately after startup and spinning Earth around a little bit the program asserted (vector index out of bounds) in samporbit.cpp in SampledOrbit::computePosition(). The following line was the culprit:




Probably should be:

a few years back i was building it on visual studio .net 2002 . OH BOY what fun that was . however after the first successful build ( after 2 mo.) building from cvs was easy just small edits

but i decided to kick the MS habit and went to fedora Linux
but windows and V.S. 2002 are still installed on a dif HD

visual studio is ,let's just say " FUN "

antred wrote:Sorry, it's probably bad form to constantly reply to myself but I just ran the program in the debugger and immediately after startup and spinning Earth around a little bit the program asserted (vector index out of bounds) in samporbit.cpp in SampledOrbit::computePosition(). The following line was the culprit:

Code: Select all

/* Here, n was 5339 but the samples vector only had a size of 5339 elements. Thus, samples[n] would be accessing a non-existent, 5340th element! */
if (n < 1 || jd < samples[n - 1].t || jd > samples[n].t)


Probably should be:

Code: Select all

if (n < 1 || jd < samples[ n - 2 ].t || jd > samples[ n - 1 ].t)


This is definitely a bug--I'm glad that you noticed it. I've committed the fix to CVS (though it's different than what you have.)

--Chris

john Van Vliet wrote:a few years back i was building it on visual studio .net 2002 . OH BOY what fun that was . however after the first successful build ( after 2 mo.) building from cvs was easy just small edits

but i decided to kick the MS habit and went to fedora Linux
but windows and V.S. 2002 are still installed on a dif HD

visual studio is ,let's just say " FUN "

Especially VS 2002... :/ VS 2003 did a lot to standard compliance, and VS 2005 even moreso. VS 2002 was also that hackjob to get their .NET compiler out in time I guess. :p I wouldn't even recommend that IDE to my enemy.