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Remap paint after contour cut (cut with part assigned to other side using right mouse click)

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This commit is contained in:
Noisyfox
2026-05-11 15:33:09 +08:00
parent b9c9f42f01
commit ea5119ec3f
3 changed files with 19 additions and 6 deletions
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19
src/libslic3r/CutUtils.cpp
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@@ -454,7 +454,7 @@ static void merge_solid_parts_inside_object(ModelObjectPtrs& objects)
}
const ModelObjectPtrs& Cut::perform_by_contour(std::vector<Part> parts, int dowels_count)
const ModelObjectPtrs& Cut::perform_by_contour(const ModelObject* src_object, std::vector<Part> parts, int dowels_count)
{
ModelObject* cut_mo = m_model.objects.front();
@@ -469,6 +469,19 @@ const ModelObjectPtrs& Cut::perform_by_contour(std::vector<Part> parts, int dowe
lower->name = lower->name + "_B";
}
// Save painting data so we later can remap it.
std::vector<std::optional<TriangleSelector::SavedPainting>> saved_paintings;
if (m_attributes.has(ModelObjectCutAttribute::KeepPaint)) {
const auto instance_matrix = src_object->instances[m_instance]->get_transformation().get_matrix_no_offset();
for (const auto volume : src_object->volumes) {
saved_paintings.emplace_back(volume->save_painting());
if (saved_paintings.back()) {
// Transform mesh to cut space (same transform as process_volume_cut applies)
saved_paintings.back()->mesh.transform(instance_matrix * volume->get_matrix(), true);
}
}
}
const size_t cut_parts_cnt = parts.size();
bool has_modifiers = false;
@@ -498,7 +511,7 @@ const ModelObjectPtrs& Cut::perform_by_contour(std::vector<Part> parts, int dowe
merge_solid_parts_inside_object(cut_object_ptrs);
// replace initial objects in model with cut object
finalize(cut_object_ptrs, {});
finalize(cut_object_ptrs, saved_paintings);
}
else if (volumes.size() > cut_parts_cnt) {
// Means that object is cut with connectors
@@ -529,7 +542,7 @@ const ModelObjectPtrs& Cut::perform_by_contour(std::vector<Part> parts, int dowe
merge_solid_parts_inside_object(cut_object_ptrs);
// replace initial objects in model with cut object
finalize(cut_object_ptrs, {});
finalize(cut_object_ptrs, saved_paintings);
// Add Dowel-connectors as separate objects to model
if (cut_connectors_obj.size() >= 3)