Lightwave converter

dennis · Post by **dennis** » Thu Feb 10, 2005 12:36 pm

Compatibility with Ogre 1.0 fixed.

dennis · Post by **dennis** » Thu Mar 24, 2005 5:07 pm

It seems texture coordinates are mandatory for a mesh that is going to be exported. Why is that?

Post by **sinbad** » Thu Mar 24, 2005 6:31 pm

No, they are not mandatory. Can you explain why you think they are?

dennis · Post by **dennis** » Thu Mar 24, 2005 10:41 pm

Well ... they are when you want to build tangent vectors. DOH!

Normals can also be omitted when exporting a mesh ... but using the resulting mesh causes a crash.

dennis · Post by **dennis** » Mon Mar 28, 2005 4:06 pm

Can I just add vertexbuffer elements as I go along or do I have to copy the data to a new VertexData once I have started putting data into the existing vertexbuffer elements?

Post by **sinbad** » Mon Mar 28, 2005 6:33 pm

You can build it up as you go; until you come to use it as a whole it can be temporarily inconsistent.

dennis · Post by **dennis** » Mon Apr 04, 2005 1:02 pm

Use:

Code: Select all

ARGB color = ColourValue(red, green, blue, alpha).getAsARGB();

instead of:

Code: Select all

RGBA color = ColourValue(alpha, red, green, blue).getAsRGBA();

to get the colourvalues in the vertexBuffer.

Post by **xavier** » Mon May 30, 2005 3:13 am

Is this still the preferred (or even correct) way to convert Lightwave .obj/.mtl files into .mesh/.material?

Post by **xavier** » Mon May 30, 2005 6:10 am

NM, I discovered the answer.

BTW, I had to make some changes to the code to get it to build; it was doing things like looking for OgreDataChunk.h -- not sure how old that is but it certainly doesn't exist anywhere. Also, it wasn't using the manager singletons to create objects. Again, that sounds old to me, but the code I have is from the 1.0 dist.

Post by **xavier** » Mon May 30, 2005 6:11 am

I should also have asked, is there a way to convert .obj into .mesh? Lightwave ignoramus here....

dennis · Post by **dennis** » Sat Jun 04, 2005 10:37 am

Well for converting Lightwave objects to Ogre meshes this is you best bet.
Not using the manager singletons ?

And you're right it does need updating (or committing to CVS). I'll do that when I am certain my experimental way of dealing with vertexbuffers works. My dev machine died on me. Hopefully I'll have another set up within a week.

Here's my latest backup: LightwaveConverter Source I can't even guarantee it will compile as is. Let me know.

Zen Ken · Post by **Zen Ken** » Fri Jun 17, 2005 1:11 am

Dumb question.. but how do I get the Converter to work? Is there a default directory that it puts the resulting file in?

Ken

Zen Ken · Post by **Zen Ken** » Sun Jun 26, 2005 8:30 pm

Nevermind... major major brainfart.

-Ken

Post by **spacegaier** » Thu Jun 16, 2011 6:44 pm

I know this thread is really, really old, but nonetheless:

I just submitted a patch to get this (currently broken) tool back on the road. With my changes it now works with Ogre 1.7 and current Ogre 1.8. Also I either resolved or supressed all warnings.

https://sourceforge.net/tracker/?func=d ... id=1064241

dennis · Post by **dennis** » Fri Aug 17, 2012 4:10 pm

I just read a PM over 2 years old requesting the source of the converter.

The source, though ancient, is still in the Ogre repository:
https://bitbucket.org/sinbad/ogre/src/0 ... Converter/

Ah, it also seems that Newtek did not update the documentation for the LWO2 format in the SDK since November 9, 2001!
I know this file format is supposed to be the most stable around, but no changes in 11 years?! I seriously doubt that.

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Lightwave converter

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Lightwave converter