Age old problem with Maya is there is no Direct x exporter that have animations for it.
Anything you get out of it would have to be in FBX format and GG cannot import animated FBX yet. GG does not support morphs or procedural textures either. Rigs are very different then the standard Maya way.
There will be a few programs you will needs to send that mesh thru in order to get them into GG.
FBX2GG might be a great investment to get a character an hour into. Sounds like a lot less work.
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