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Rearrange code a little bit to make it more reusable

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This commit is contained in:
Noisyfox
2026-05-08 22:54:20 +08:00
parent fad680fcc1
commit 2f160ad8bc
3 changed files with 39 additions and 28 deletions
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40
src/libslic3r/CutUtils.cpp
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@@ -14,17 +14,8 @@ namespace Slic3r {
using namespace Geometry;
// Saved painting data for remapping after mesh change.
struct SavedPainting {
indexed_triangle_set its; // Original mesh
TriangleSelector::TriangleSplittingData supported;
TriangleSelector::TriangleSplittingData seam;
TriangleSelector::TriangleSplittingData mmu;
TriangleSelector::TriangleSplittingData fuzzy;
};
// Remap painting data from saved source to a cut result mesh, and set on a volume.
static void remap_and_set_painting(ModelVolume* vol, const SavedPainting* saved)
static void remap_and_set_painting(ModelVolume* vol, const std::optional<TriangleSelector::SavedPainting>& saved)
{
if (!saved) {
return;
@@ -34,7 +25,7 @@ static void remap_and_set_painting(ModelVolume* vol, const SavedPainting* saved)
FacetsAnnotation& target_facets) {
if (src_data.bitstream.empty())
return;
auto result = TriangleSelector::remap_painting(saved->its, src_data, vol->mesh().its, translation_transform(vol->mesh().get_init_shift()));
auto result = TriangleSelector::remap_painting(saved->mesh.its, src_data, vol->mesh().its, translation_transform(vol->mesh().get_init_shift()));
if (!result.bitstream.empty())
target_facets.set_data(result);
};
@@ -211,7 +202,7 @@ static void process_modifier_cut(ModelVolume* volume, const Transform3d& instanc
static void process_solid_part_cut(ModelVolume* volume, const Transform3d& instance_matrix, const Transform3d& cut_matrix,
ModelObjectCutAttributes attributes, ModelObject* upper, ModelObject* lower,
const SavedPainting* saved_painting = nullptr)
const std::optional<TriangleSelector::SavedPainting>& saved_painting)
{
// Perform cut
TriangleMesh upper_mesh, lower_mesh;
@@ -362,20 +353,14 @@ const ModelObjectPtrs& Cut::perform_with_plane()
for (ModelVolume* volume : mo->volumes) {
// Save painting data before reset_extra_facets() discards it.
// Only for model parts that will be cut (not modifiers/connectors).
std::optional<SavedPainting> saved_painting;
if (m_attributes.has(ModelObjectCutAttribute::KeepPaint) && volume->is_any_painted() && volume->is_model_part() && !volume->mesh().empty()) {
// Get mesh in cut space (same transform as process_volume_cut applies)
TriangleMesh mesh(volume->mesh());
const auto volume_matrix = volume->get_matrix();
mesh.transform(instance_matrix * volume_matrix, true);
SavedPainting sp;
sp.its = std::move(mesh.its);
sp.supported = volume->supported_facets.get_data();
sp.seam = volume->seam_facets.get_data();
sp.mmu = volume->mmu_segmentation_facets.get_data();
sp.fuzzy = volume->fuzzy_skin_facets.get_data();
saved_painting = std::move(sp);
std::optional<TriangleSelector::SavedPainting> saved_painting;
if (m_attributes.has(ModelObjectCutAttribute::KeepPaint)) {
saved_painting = volume->save_painting();
if (saved_painting) {
// Transform mesh to cut space (same transform as process_volume_cut applies)
const auto volume_matrix = volume->get_matrix();
saved_painting->mesh.transform(instance_matrix * volume_matrix, true);
}
}
volume->reset_extra_facets();
@@ -387,8 +372,7 @@ const ModelObjectPtrs& Cut::perform_with_plane()
process_connector_cut(volume, instance_matrix, m_cut_matrix, m_attributes, upper, lower, dowels);
}
else if (!volume->mesh().empty())
process_solid_part_cut(volume, instance_matrix, m_cut_matrix, m_attributes, upper, lower,
saved_painting ? &*saved_painting : nullptr);
process_solid_part_cut(volume, instance_matrix, m_cut_matrix, m_attributes, upper, lower, saved_painting);
}
// Post-process cut parts