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fix(wob): per-vertex NaN/inf scrub on load (matches WOM)

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Same NaN guard as the just-applied WOM one. Sanitizes position/normal/
texCoord/color components after the bulk read. WMO renderer's matrix
math is sensitive — a single NaN position could desync the entire
group's draw state.
This commit is contained in:
Kelsi 2026-05-06 05:16:16 -07:00
parent 29ae850307
commit 15648e21ec
1 changed files with 14 additions and 0 deletions
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14
src/pipeline/wowee_building.cpp
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@ -56,6 +56,20 @@ WoweeBuilding WoweeBuildingLoader::load(const std::string& basePath) {
grp.vertices.resize(vc);
f.read(reinterpret_cast<char*>(grp.vertices.data()), vc * sizeof(WoweeBuilding::Vertex));
// Sanitize vertex floats — WMO renderer matrix math is sensitive
// and a NaN position can desync the entire group's draw state.
for (auto& v : grp.vertices) {
if (!std::isfinite(v.position.x)) v.position.x = 0.0f;
if (!std::isfinite(v.position.y)) v.position.y = 0.0f;
if (!std::isfinite(v.position.z)) v.position.z = 0.0f;
if (!std::isfinite(v.normal.x)) v.normal.x = 0.0f;
if (!std::isfinite(v.normal.y)) v.normal.y = 0.0f;
if (!std::isfinite(v.normal.z)) v.normal.z = 1.0f;
if (!std::isfinite(v.texCoord.x)) v.texCoord.x = 0.0f;
if (!std::isfinite(v.texCoord.y)) v.texCoord.y = 0.0f;
for (int c = 0; c < 4; c++)
if (!std::isfinite(v.color[c])) v.color[c] = 1.0f;
}
grp.indices.resize(ic);
f.read(reinterpret_cast<char*>(grp.indices.data()), ic * 4);