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Old 19-07-2017, 11:01 AM   #6
Join Date: Oct 2002
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Oh, that's probably not a mask then, looks like simply ids.

I'm guessing the bone id is also a word at +2. It's a bit unusual to have data aligned at 3 with a gap between them. Or that could be 4 bytes in a row: position_flag, rotation_flag, scale_flag?, bone_id. 01 position flag may mean FK, 02 may mean IK. I have no idea what a rotation flag of 03 could mean if the data is stored as quaternions. If it was euler angles, it could mean the axis order, possibly.

These are all just my guesses, though.
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