* feat: IW3 dump xanim to cod4 mod tools compatible binary
* chore: add XAnimPartType enum to game headers
* chore: use XAnimPartType in XAnimDumperIW3
* chore: extract xanim filename into XAnimCommon
* chore: prefer emplace_back over push_back
* chore: small code style improvements
* chore: use proper unsigned types for XAnimParts structs
* chore: use better understandable calculations for bitfields
* chore: use game names for parts
* chore: rename method to WriteNoteTracks
* chore: adds comments and improve clearity of what the game does
* chore: extract stream writing methods into StreamUtils
* chore: use vec3 for XAnimPartTransFrames mins and size
* chore: properly differ between XQuat and XQuat2 structs
* chore: use constants for xanim flags
* chore: use optional for delta track quats and trans
* chore: split delta track writing methods into quat and trans
* chore: add assertion for bDelta
* chore: simplify quat frame encoding indexing
* chore: simplify float to int bit casting
* chore: do not throw exception on failing to reconstruct bone tracks
* feat: add xanim loader for iw3
* fix: make sure to sort quats and trans like the game
* chore: prevent empty dumped files on bad xanim data
* chore: ensure no exception on zero frames in xanim notifies
* test: add system test for iw3 xanims
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Co-authored-by: Jan Laupetin <jan@laupetin.net>
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