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fix: messed up reordering of vertices for bone count

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Jan 2025-04-03 21:46:52 +02:00
parent e13eb256bb
commit a2c8129a13
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1 changed files with 14 additions and 5 deletions
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19
src/ObjLoading/XModel/LoaderXModel.cpp.template
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@ -539,13 +539,21 @@ namespace
return false;
});
std::vector<XSurfaceTri> preSortTris(surface.triCount);
std::memcpy(preSortTris.data(), surface.triIndices, sizeof(XSurfaceTri) * surface.triCount);
std::vector<size_t> reverseLookup(reorderLookup.size());
for (auto i = 0u; i < reverseLookup.size(); i++)
reverseLookup[reorderLookup[i]] = i;
for (auto triIndex = 0u; triIndex < surface.triCount; triIndex++)
{
const auto& preSortTriIndices = preSortTris[triIndex];
auto& triIndices = surface.triIndices[triIndex];
triIndices.i[0] = static_cast<uint16_t>(reorderLookup[triIndices.i[0]]);
triIndices.i[1] = static_cast<uint16_t>(reorderLookup[triIndices.i[1]]);
triIndices.i[2] = static_cast<uint16_t>(reorderLookup[triIndices.i[2]]);
triIndices.i[0] = static_cast<uint16_t>(reverseLookup[preSortTriIndices.i[0]]);
triIndices.i[1] = static_cast<uint16_t>(reverseLookup[preSortTriIndices.i[1]]);
triIndices.i[2] = static_cast<uint16_t>(reverseLookup[preSortTriIndices.i[2]]);
}
for (auto& entry : reorderLookup)
@ -570,6 +578,7 @@ namespace
surface.triCount = static_cast<uint16_t>(commonObject.m_faces.size());
surface.triIndices = m_memory.Alloc<XSurfaceTri>(surface.triCount);
xmodelToCommonVertexIndexLookup.reserve(static_cast<size_t>(surface.triCount) * std::extent_v<decltype(XModelFace::vertexIndex)>);
for (auto faceIndex = 0u; faceIndex < surface.triCount; faceIndex++)
{
const auto& face = commonObject.m_faces[faceIndex];
@ -592,8 +601,6 @@ namespace
}
}
ReorderVerticesByWeightCount(xmodelToCommonVertexIndexLookup, surface, common);
constexpr auto maxVertices = std::numeric_limits<decltype(XSurface::vertCount)>::max();
if (vertexOffset + xmodelToCommonVertexIndexLookup.size() > maxVertices)
{
@ -601,6 +608,8 @@ namespace
return false;
}
ReorderVerticesByWeightCount(xmodelToCommonVertexIndexLookup, surface, common);
surface.baseVertIndex = static_cast<uint16_t>(vertexOffset);
surface.vertCount = static_cast<uint16_t>(xmodelToCommonVertexIndexLookup.size());
surface.verts0 = m_memory.Alloc<GfxPackedVertex>(surface.vertCount);