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Remap paint after split to objects

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This commit is contained in:
Noisyfox
2026-05-09 16:18:49 +08:00
parent ff973dc937
commit 7bc8074e69
4 changed files with 12 additions and 4 deletions
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10
src/libslic3r/Model.cpp
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@@ -2028,13 +2028,14 @@ static void invalidate_translations(ModelObject* object, const ModelInstance* sr
}
}
void ModelObject::split(ModelObjectPtrs* new_objects)
void ModelObject::split(ModelObjectPtrs* new_objects, const bool remap_paint)
{
std::vector<TriangleMesh> all_meshes;
std::vector<Transform3d> all_transfos;
std::vector<std::pair<int, int>> volume_mesh_counts;
all_meshes.reserve(this->volumes.size() * 5);
bool is_multi_volume_object = (this->volumes.size() > 1);
std::optional<TriangleSelector::SavedPainting> saved_painting;
for (int volume_idx = 0; volume_idx < this->volumes.size(); volume_idx++) {
ModelVolume* volume = this->volumes[volume_idx];
@@ -2046,6 +2047,10 @@ void ModelObject::split(ModelObjectPtrs* new_objects)
volume->text_configuration.reset();
if (!is_multi_volume_object) {
if (remap_paint) {
// Save painting so we could restore them after the mesh split
saved_painting = volume->save_painting();
}
//BBS: not multi volume object, then split mesh.
std::vector<TriangleMesh> volume_meshes = volume->mesh().split();
int mesh_count = 0;
@@ -2123,6 +2128,9 @@ void ModelObject::split(ModelObjectPtrs* new_objects)
COPY_FACETS(seam_facets);
COPY_FACETS(mmu_segmentation_facets);
COPY_FACETS(fuzzy_skin_facets);
} else if (saved_painting) {
// Geometry changed, attempt to remap them to the new mesh
new_vol->restore_painting(saved_painting);
}
// BBS: clear volume's config, as we already set them into object