learning .mdx files

http://www.gamedev.net/community/forums/topic.asp?topic_id=186729&whichpage=1

This thread might be able to help you out

we were trying to understand the .mdx file format...where could we get the documentation of the .mdx files

It is proprietary and undocumented. There seems to be some ad hoc information on the format if you search via Google though.

Warcraft 3's MDX files can be converted to MDL text file format, which is human readable and you can figure things out without a specification.

We have been studing .mdx and .mdl files and ...we are now able to load non animated object ...Now we are trying to animate it...in .mdl file which is the text file ...we can view the rotation data like (x,y,z,w) ..what does this signify...are this direction cosines or just angle...how are they encoded if any one could tell..

Quote:

Original post by reenam We have been studing .mdx and .mdl files and ...we are now able to load non animated object ...Now we are trying to animate it...in .mdl file which is the text file ...we can view the rotation data like (x,y,z,w) ..what does this signify...are this direction cosines or just angle...how are they encoded if any one could tell..

these represent the bone's rotation quaternion. warcraft3 often uses bezier splines (InTan and OutTan in .mdl is the 2 bezier control points) to ease-in and ease-out the animations