Progress:
I've converted the code from the mathlib that came with the original source to Irrlicht's math functions [I doubt the final source will be accepted for inclusion in the Irrlicht core if it uses its own mathlib ].
Unfortunately, the mathlibs aren't exactly equivalent and I'm having to debug some issues with the new Irrlicht-compatible MD5 loader/animator.
Once I have that sorted out I'll have a small test demo for people to try.
I am new to this whole Irrlicht, and am strugling with some of the concepts . . . But a MD5 mesh and animator loader would defanently help. Please could you post a sample of your code, I dont understande how you load for example a .x and animate it with irrlicht. Or any file format, besides the ones done in the tutorials. Yes I am a noob atm, but I think if I saw some code loading a mesh and animating it, that it would help me. Thanks again so much for reading a noob post. What you are doing right now pwns btw.
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