feat: IW3 xanim dumping/loading in CoD4 Mod Tools raw binary format (#768)

* 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

---------

Co-authored-by: Jan Laupetin <jan@laupetin.net>

test/SystemTests.lua

@@ -41,6 +41,7 @@ function SystemTests:project()
 		Utils:include(includes)
         ZoneLoading:include(includes)
         ZoneWriting:include(includes)
+		ObjCommonTestUtils:include(includes)
         ObjLoading:include(includes)
         ObjCompiling:include(includes)
         ObjWriting:include(includes)
@@ -53,6 +54,7 @@ function SystemTests:project()
 		links:linkto(Utils)
 		links:linkto(ZoneLoading)
 		links:linkto(ZoneWriting)
+		links:linkto(ObjCommonTestUtils)
 		links:linkto(ObjLoading)
 		links:linkto(ObjCompiling)
 		links:linkto(ObjWriting)