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Fix issue that support/seam/fuzzy skin painting not kept after split

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This commit is contained in:
Noisyfox
2026-05-09 10:12:36 +08:00
parent 2f160ad8bc
commit 4490dccade
1 changed files with 10 additions and 4 deletions
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14
src/libslic3r/Model.cpp
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@@ -2078,10 +2078,16 @@ void ModelObject::split(ModelObjectPtrs* new_objects)
ModelVolume* new_vol = new_object->add_volume(*volume, std::move(mesh));
if (is_multi_volume_object) {
// BBS: volume geometry not changed, so we can keep the color paint facets
if (new_vol->mmu_segmentation_facets.timestamp() == volume->mmu_segmentation_facets.timestamp())
new_vol->mmu_segmentation_facets.reset(); // BBS: let next assign take effect
new_vol->mmu_segmentation_facets.assign(volume->mmu_segmentation_facets);
// BBS: volume geometry not changed, so we can keep the paint facets
#define COPY_FACETS(f) \
if (new_vol->f.timestamp() == volume->f.timestamp()) \
new_vol->f.reset(); /* BBS: let next assign take effect */ \
new_vol->f.assign(volume->f)
COPY_FACETS(supported_facets);
COPY_FACETS(seam_facets);
COPY_FACETS(mmu_segmentation_facets);
COPY_FACETS(fuzzy_skin_facets);
}
// BBS: clear volume's config, as we already set them into object