So last week I stumbled on this: Loading and displaying .x files without DirectX http://www.gamedev.net/reference/programming/features/xfilepc/
I have skimmed through the article and at glance what appears to need to happen is as follows:Add Bone, SkelModel and SkelAnim classes to A3DL. These
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Ok, great!
If you are doing skeletal animation, you probably want to cross-check your
design with Cal3D (http://cal3d.sourceforge.net/) and H-Anim
(http://www.web3d.org/x3d/specifications/ISO-IEC-19774-HumanoidAnimation/,
the spec is a real slog