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need help with King's Bounty: Crossworlds model reserve .bma .bsa

neptunehs
in 3D/2D models

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I'm reverse-engineering the 3D model formats used by King's Bounty: Crossworlds (2009, Katauri Interactive, The engine is called "The Engine" — a custom DX9 engine).

Formats:

- .bma — mesh + skeleton (skinned, with bind matrix)

- .bsa — skeletal animation (per-bone translation/rotation/scale over time)

My approach is to convert from Mixamo FBX to BMA and BSA. But no matter what I try, the final converted model turns out wrong — like this:

1.jpg

FBX demo like this：

Screenshot 2026-06-11 142250.png

The skeleton is severely misaligned.Based on experience, what could be causing this? Thanks

I'm not sure what files I should provide. Please let me know what you need and I'll upload them.

Edited by neptunehs

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