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

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* 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>
This commit is contained in:
mo
2026-06-01 21:52:49 +01:00
committed by GitHub
parent f7be1ac9c1
commit 0c22dddd0e
19 changed files with 2044 additions and 55 deletions
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src/ObjWriting/Game/IW3/ObjWriterIW3.cpp
+2 -1
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@@ -12,13 +12,14 @@
#include "Sound/LoadedSoundDumperIW3.h"
#include "Sound/SndCurveDumperIW3.h"
#include "StringTable/StringTableDumperIW3.h"
#include "XAnim/XAnimDumperIW3.h"
using namespace IW3;
void ObjWriter::RegisterAssetDumpers(AssetDumpingContext& context)
{
RegisterAssetDumper(std::make_unique<phys_preset::InfoStringDumperIW3>());
// REGISTER_DUMPER(AssetDumperXAnimParts)
RegisterAssetDumper(std::make_unique<xanim::DumperIW3>());
RegisterAssetDumper(std::make_unique<xmodel::DumperIW3>());
RegisterAssetDumper(std::make_unique<material::JsonDumperIW3>());
RegisterAssetDumper(std::make_unique<techset::DumperIW3>(