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-rw-r--r--src/libslic3r/PrintApply.cpp2897
1 files changed, 1453 insertions, 1444 deletions
diff --git a/src/libslic3r/PrintApply.cpp b/src/libslic3r/PrintApply.cpp
index 34e3129d9..4c085728c 100644
--- a/src/libslic3r/PrintApply.cpp
+++ b/src/libslic3r/PrintApply.cpp
@@ -1,1444 +1,1453 @@
-#include "Model.hpp"
-#include "Print.hpp"
-
-#include <cfloat>
-
-namespace Slic3r {
-
-// Add or remove support modifier ModelVolumes from model_object_dst to match the ModelVolumes of model_object_new
-// in the exact order and with the same IDs.
-// It is expected, that the model_object_dst already contains the non-support volumes of model_object_new in the correct order.
-// Friend to ModelVolume to allow copying.
-// static is not accepted by gcc if declared as a friend of ModelObject.
-/* static */ void model_volume_list_update_supports(ModelObject &model_object_dst, const ModelObject &model_object_new)
-{
- typedef std::pair<const ModelVolume*, bool> ModelVolumeWithStatus;
- std::vector<ModelVolumeWithStatus> old_volumes;
- old_volumes.reserve(model_object_dst.volumes.size());
- for (const ModelVolume *model_volume : model_object_dst.volumes)
- old_volumes.emplace_back(ModelVolumeWithStatus(model_volume, false));
- auto model_volume_lower = [](const ModelVolumeWithStatus &mv1, const ModelVolumeWithStatus &mv2){ return mv1.first->id() < mv2.first->id(); };
- auto model_volume_equal = [](const ModelVolumeWithStatus &mv1, const ModelVolumeWithStatus &mv2){ return mv1.first->id() == mv2.first->id(); };
- std::sort(old_volumes.begin(), old_volumes.end(), model_volume_lower);
- model_object_dst.volumes.clear();
- model_object_dst.volumes.reserve(model_object_new.volumes.size());
- for (const ModelVolume *model_volume_src : model_object_new.volumes) {
- ModelVolumeWithStatus key(model_volume_src, false);
- auto it = std::lower_bound(old_volumes.begin(), old_volumes.end(), key, model_volume_lower);
- if (it != old_volumes.end() && model_volume_equal(*it, key)) {
- // The volume was found in the old list. Just copy it.
- assert(! it->second); // not consumed yet
- it->second = true;
- ModelVolume *model_volume_dst = const_cast<ModelVolume*>(it->first);
- // For support modifiers, the type may have been switched from blocker to enforcer and vice versa.
- assert((model_volume_dst->is_support_modifier() && model_volume_src->is_support_modifier()) || model_volume_dst->type() == model_volume_src->type());
- model_object_dst.volumes.emplace_back(model_volume_dst);
- if (model_volume_dst->is_support_modifier()) {
- // For support modifiers, the type may have been switched from blocker to enforcer and vice versa.
- model_volume_dst->set_type(model_volume_src->type());
- model_volume_dst->set_transformation(model_volume_src->get_transformation());
- }
- assert(model_volume_dst->get_matrix().isApprox(model_volume_src->get_matrix()));
- } else {
- // The volume was not found in the old list. Create a new copy.
- assert(model_volume_src->is_support_modifier());
- model_object_dst.volumes.emplace_back(new ModelVolume(*model_volume_src));
- model_object_dst.volumes.back()->set_model_object(&model_object_dst);
- }
- }
- // Release the non-consumed old volumes (those were deleted from the new list).
- for (ModelVolumeWithStatus &mv_with_status : old_volumes)
- if (! mv_with_status.second)
- delete mv_with_status.first;
-}
-
-static inline void model_volume_list_copy_configs(ModelObject &model_object_dst, const ModelObject &model_object_src, const ModelVolumeType type)
-{
- size_t i_src, i_dst;
- for (i_src = 0, i_dst = 0; i_src < model_object_src.volumes.size() && i_dst < model_object_dst.volumes.size();) {
- const ModelVolume &mv_src = *model_object_src.volumes[i_src];
- ModelVolume &mv_dst = *model_object_dst.volumes[i_dst];
- if (mv_src.type() != type) {
- ++ i_src;
- continue;
- }
- if (mv_dst.type() != type) {
- ++ i_dst;
- continue;
- }
- assert(mv_src.id() == mv_dst.id());
- // Copy the ModelVolume data.
- mv_dst.name = mv_src.name;
- mv_dst.config.assign_config(mv_src.config);
- assert(mv_dst.supported_facets.id() == mv_src.supported_facets.id());
- mv_dst.supported_facets.assign(mv_src.supported_facets);
- assert(mv_dst.seam_facets.id() == mv_src.seam_facets.id());
- mv_dst.seam_facets.assign(mv_src.seam_facets);
- assert(mv_dst.mmu_segmentation_facets.id() == mv_src.mmu_segmentation_facets.id());
- mv_dst.mmu_segmentation_facets.assign(mv_src.mmu_segmentation_facets);
- //FIXME what to do with the materials?
- // mv_dst.m_material_id = mv_src.m_material_id;
- ++ i_src;
- ++ i_dst;
- }
-}
-
-static inline void layer_height_ranges_copy_configs(t_layer_config_ranges &lr_dst, const t_layer_config_ranges &lr_src)
-{
- assert(lr_dst.size() == lr_src.size());
- auto it_src = lr_src.cbegin();
- for (auto &kvp_dst : lr_dst) {
- const auto &kvp_src = *it_src ++;
- assert(std::abs(kvp_dst.first.first - kvp_src.first.first ) <= EPSILON);
- assert(std::abs(kvp_dst.first.second - kvp_src.first.second) <= EPSILON);
- // Layer heights are allowed do differ in case the layer height table is being overriden by the smooth profile.
- // assert(std::abs(kvp_dst.second.option("layer_height")->getFloat() - kvp_src.second.option("layer_height")->getFloat()) <= EPSILON);
- kvp_dst.second = kvp_src.second;
- }
-}
-
-static inline bool transform3d_lower(const Transform3d &lhs, const Transform3d &rhs)
-{
- typedef Transform3d::Scalar T;
- const T *lv = lhs.data();
- const T *rv = rhs.data();
- for (size_t i = 0; i < 16; ++ i, ++ lv, ++ rv) {
- if (*lv < *rv)
- return true;
- else if (*lv > *rv)
- return false;
- }
- return false;
-}
-
-static inline bool transform3d_equal(const Transform3d &lhs, const Transform3d &rhs)
-{
- typedef Transform3d::Scalar T;
- const T *lv = lhs.data();
- const T *rv = rhs.data();
- for (size_t i = 0; i < 16; ++ i, ++ lv, ++ rv)
- if (*lv != *rv)
- return false;
- return true;
-}
-
-struct PrintObjectTrafoAndInstances
-{
- Transform3d trafo;
- PrintInstances instances;
- bool operator<(const PrintObjectTrafoAndInstances &rhs) const { return transform3d_lower(this->trafo, rhs.trafo); }
-};
-
-// Generate a list of trafos and XY offsets for instances of a ModelObject
-static std::vector<PrintObjectTrafoAndInstances> print_objects_from_model_object(const ModelObject &model_object)
-{
- std::set<PrintObjectTrafoAndInstances> trafos;
- PrintObjectTrafoAndInstances trafo;
- for (ModelInstance *model_instance : model_object.instances)
- if (model_instance->is_printable()) {
- trafo.trafo = model_instance->get_matrix();
- auto shift = Point::new_scale(trafo.trafo.data()[12], trafo.trafo.data()[13]);
- // Reset the XY axes of the transformation.
- trafo.trafo.data()[12] = 0;
- trafo.trafo.data()[13] = 0;
- // Search or insert a trafo.
- auto it = trafos.emplace(trafo).first;
- const_cast<PrintObjectTrafoAndInstances&>(*it).instances.emplace_back(PrintInstance{ nullptr, model_instance, shift });
- }
- return std::vector<PrintObjectTrafoAndInstances>(trafos.begin(), trafos.end());
-}
-
-// Compare just the layer ranges and their layer heights, not the associated configs.
-// Ignore the layer heights if check_layer_heights is false.
-static bool layer_height_ranges_equal(const t_layer_config_ranges &lr1, const t_layer_config_ranges &lr2, bool check_layer_height)
-{
- if (lr1.size() != lr2.size())
- return false;
- auto it2 = lr2.begin();
- for (const auto &kvp1 : lr1) {
- const auto &kvp2 = *it2 ++;
- if (std::abs(kvp1.first.first - kvp2.first.first ) > EPSILON ||
- std::abs(kvp1.first.second - kvp2.first.second) > EPSILON ||
- (check_layer_height && std::abs(kvp1.second.option("layer_height")->getFloat() - kvp2.second.option("layer_height")->getFloat()) > EPSILON))
- return false;
- }
- return true;
-}
-
-// Returns true if va == vb when all CustomGCode items that are not ToolChangeCode are ignored.
-static bool custom_per_printz_gcodes_tool_changes_differ(const std::vector<CustomGCode::Item> &va, const std::vector<CustomGCode::Item> &vb)
-{
- auto it_a = va.begin();
- auto it_b = vb.begin();
- while (it_a != va.end() || it_b != vb.end()) {
- if (it_a != va.end() && it_a->type != CustomGCode::ToolChange) {
- // Skip any CustomGCode items, which are not tool changes.
- ++ it_a;
- continue;
- }
- if (it_b != vb.end() && it_b->type != CustomGCode::ToolChange) {
- // Skip any CustomGCode items, which are not tool changes.
- ++ it_b;
- continue;
- }
- if (it_a == va.end() || it_b == vb.end())
- // va or vb contains more Tool Changes than the other.
- return true;
- assert(it_a->type == CustomGCode::ToolChange);
- assert(it_b->type == CustomGCode::ToolChange);
- if (*it_a != *it_b)
- // The two Tool Changes differ.
- return true;
- ++ it_a;
- ++ it_b;
- }
- // There is no change in custom Tool Changes.
- return false;
-}
-
-// Collect changes to print config, account for overrides of extruder retract values by filament presets.
-static t_config_option_keys print_config_diffs(
- const PrintConfig &current_config,
- const DynamicPrintConfig &new_full_config,
- DynamicPrintConfig &filament_overrides)
-{
- const std::vector<std::string> &extruder_retract_keys = print_config_def.extruder_retract_keys();
- const std::string filament_prefix = "filament_";
- t_config_option_keys print_diff;
- for (const t_config_option_key &opt_key : current_config.keys()) {
- const ConfigOption *opt_old = current_config.option(opt_key);
- assert(opt_old != nullptr);
- const ConfigOption *opt_new = new_full_config.option(opt_key);
- // assert(opt_new != nullptr);
- if (opt_new == nullptr)
- //FIXME This may happen when executing some test cases.
- continue;
- const ConfigOption *opt_new_filament = std::binary_search(extruder_retract_keys.begin(), extruder_retract_keys.end(), opt_key) ? new_full_config.option(filament_prefix + opt_key) : nullptr;
- if (opt_new_filament != nullptr && ! opt_new_filament->is_nil()) {
- // An extruder retract override is available at some of the filament presets.
- bool overriden = opt_new->overriden_by(opt_new_filament);
- if (overriden || *opt_old != *opt_new) {
- auto opt_copy = opt_new->clone();
- opt_copy->apply_override(opt_new_filament);
- bool changed = *opt_old != *opt_copy;
- if (changed)
- print_diff.emplace_back(opt_key);
- if (changed || overriden) {
- // filament_overrides will be applied to the placeholder parser, which layers these parameters over full_print_config.
- filament_overrides.set_key_value(opt_key, opt_copy);
- } else
- delete opt_copy;
- }
- } else if (*opt_new != *opt_old)
- print_diff.emplace_back(opt_key);
- }
-
- return print_diff;
-}
-
-// Prepare for storing of the full print config into new_full_config to be exported into the G-code and to be used by the PlaceholderParser.
-static t_config_option_keys full_print_config_diffs(const DynamicPrintConfig &current_full_config, const DynamicPrintConfig &new_full_config)
-{
- t_config_option_keys full_config_diff;
- for (const t_config_option_key &opt_key : new_full_config.keys()) {
- const ConfigOption *opt_old = current_full_config.option(opt_key);
- const ConfigOption *opt_new = new_full_config.option(opt_key);
- if (opt_old == nullptr || *opt_new != *opt_old)
- full_config_diff.emplace_back(opt_key);
- }
- return full_config_diff;
-}
-
-// Repository for solving partial overlaps of ModelObject::layer_config_ranges.
-// Here the const DynamicPrintConfig* point to the config in ModelObject::layer_config_ranges.
-class LayerRanges
-{
-public:
- struct LayerRange {
- t_layer_height_range layer_height_range;
- // Config is owned by the associated ModelObject.
- const DynamicPrintConfig* config { nullptr };
-
- bool operator<(const LayerRange &rhs) const throw() { return this->layer_height_range < rhs.layer_height_range; }
- };
-
- LayerRanges() = default;
- LayerRanges(const t_layer_config_ranges &in) { this->assign(in); }
-
- // Convert input config ranges into continuous non-overlapping sorted vector of intervals and their configs.
- void assign(const t_layer_config_ranges &in) {
- m_ranges.clear();
- m_ranges.reserve(in.size());
- // Input ranges are sorted lexicographically. First range trims the other ranges.
- coordf_t last_z = 0;
- for (const std::pair<const t_layer_height_range, ModelConfig> &range : in)
- if (range.first.second > last_z) {
- coordf_t min_z = std::max(range.first.first, 0.);
- if (min_z > last_z + EPSILON) {
- m_ranges.push_back({ t_layer_height_range(last_z, min_z) });
- last_z = min_z;
- }
- if (range.first.second > last_z + EPSILON) {
- const DynamicPrintConfig *cfg = &range.second.get();
- m_ranges.push_back({ t_layer_height_range(last_z, range.first.second), cfg });
- last_z = range.first.second;
- }
- }
- if (m_ranges.empty())
- m_ranges.push_back({ t_layer_height_range(0, DBL_MAX) });
- else if (m_ranges.back().config == nullptr)
- m_ranges.back().layer_height_range.second = DBL_MAX;
- else
- m_ranges.push_back({ t_layer_height_range(m_ranges.back().layer_height_range.second, DBL_MAX) });
- }
-
- const DynamicPrintConfig* config(const t_layer_height_range &range) const {
- auto it = std::lower_bound(m_ranges.begin(), m_ranges.end(), LayerRange{ { range.first - EPSILON, range.second - EPSILON } });
- // #ys_FIXME_COLOR
- // assert(it != m_ranges.end());
- // assert(it == m_ranges.end() || std::abs(it->first.first - range.first ) < EPSILON);
- // assert(it == m_ranges.end() || std::abs(it->first.second - range.second) < EPSILON);
- if (it == m_ranges.end() ||
- std::abs(it->layer_height_range.first - range.first) > EPSILON ||
- std::abs(it->layer_height_range.second - range.second) > EPSILON )
- return nullptr; // desired range doesn't found
- return it == m_ranges.end() ? nullptr : it->config;
- }
-
- std::vector<LayerRange>::const_iterator begin() const { return m_ranges.cbegin(); }
- std::vector<LayerRange>::const_iterator end () const { return m_ranges.cend(); }
- size_t size () const { return m_ranges.size(); }
-
-private:
- // Layer ranges with their config overrides and list of volumes with their snug bounding boxes in a given layer range.
- std::vector<LayerRange> m_ranges;
-};
-
-// To track Model / ModelObject updates between the front end and back end, including layer height ranges, their configs,
-// and snug bounding boxes of ModelVolumes.
-struct ModelObjectStatus {
- enum Status {
- Unknown,
- Old,
- New,
- Moved,
- Deleted,
- };
-
- enum class PrintObjectRegionsStatus {
- Invalid,
- Valid,
- PartiallyValid,
- };
-
- ModelObjectStatus(ObjectID id, Status status = Unknown) : id(id), status(status) {}
- ~ModelObjectStatus() { if (print_object_regions) print_object_regions->ref_cnt_dec(); }
-
- // Key of the set.
- ObjectID id;
- // Status of this ModelObject with id on apply().
- Status status;
- // PrintObjects to be generated for this ModelObject including their base transformation.
- std::vector<PrintObjectTrafoAndInstances> print_instances;
- // Regions shared by the associated PrintObjects.
- PrintObjectRegions *print_object_regions { nullptr };
- // Status of the above.
- PrintObjectRegionsStatus print_object_regions_status { PrintObjectRegionsStatus::Invalid };
-
- // Search by id.
- bool operator<(const ModelObjectStatus &rhs) const { return id < rhs.id; }
-};
-
-struct ModelObjectStatusDB
-{
- void add(const ModelObject &model_object, const ModelObjectStatus::Status status) {
- assert(db.find(ModelObjectStatus(model_object.id())) == db.end());
- db.emplace(model_object.id(), status);
- }
-
- bool add_if_new(const ModelObject &model_object, const ModelObjectStatus::Status status) {
- auto it = db.find(ModelObjectStatus(model_object.id()));
- if (it == db.end()) {
- db.emplace_hint(it, model_object.id(), status);
- return true;
- }
- return false;
- }
-
- const ModelObjectStatus& get(const ModelObject &model_object) {
- auto it = db.find(ModelObjectStatus(model_object.id()));
- assert(it != db.end());
- return *it;
- }
-
- const ModelObjectStatus& reuse(const ModelObject &model_object) {
- const ModelObjectStatus &result = this->get(model_object);
- assert(result.status != ModelObjectStatus::Deleted);
- return result;
- }
-
- std::set<ModelObjectStatus> db;
-};
-
-struct PrintObjectStatus {
- enum Status {
- Unknown,
- Deleted,
- Reused,
- New
- };
-
- PrintObjectStatus(PrintObject *print_object, Status status = Unknown) :
- id(print_object->model_object()->id()),
- print_object(print_object),
- trafo(print_object->trafo()),
- status(status) {}
- PrintObjectStatus(ObjectID id) : id(id), print_object(nullptr), trafo(Transform3d::Identity()), status(Unknown) {}
-
- // ID of the ModelObject & PrintObject
- ObjectID id;
- // Pointer to the old PrintObject
- PrintObject *print_object;
- // Trafo generated with model_object->world_matrix(true)
- Transform3d trafo;
- Status status;
-
- // Search by id.
- bool operator<(const PrintObjectStatus &rhs) const { return id < rhs.id; }
-};
-
-class PrintObjectStatusDB {
-public:
- using iterator = std::multiset<PrintObjectStatus>::iterator;
- using const_iterator = std::multiset<PrintObjectStatus>::const_iterator;
-
- PrintObjectStatusDB(const PrintObjectPtrs &print_objects) {
- for (PrintObject *print_object : print_objects)
- m_db.emplace(PrintObjectStatus(print_object));
- }
-
- struct iterator_range : std::pair<const_iterator, const_iterator>
- {
- using std::pair<const_iterator, const_iterator>::pair;
- iterator_range(const std::pair<const_iterator, const_iterator> in) : std::pair<const_iterator, const_iterator>(in) {}
-
- const_iterator begin() throw() { return this->first; }
- const_iterator end() throw() { return this->second; }
- };
-
- iterator_range get_range(const ModelObject &model_object) const {
- return m_db.equal_range(PrintObjectStatus(model_object.id()));
- }
-
- iterator_range get_range(const ModelObjectStatus &model_object_status) const {
- return m_db.equal_range(PrintObjectStatus(model_object_status.id));
- }
-
- size_t count(const ModelObject &model_object) {
- return m_db.count(PrintObjectStatus(model_object.id()));
- }
-
- std::multiset<PrintObjectStatus>::iterator begin() { return m_db.begin(); }
- std::multiset<PrintObjectStatus>::iterator end() { return m_db.end(); }
-
- void clear() {
- m_db.clear();
- }
-
-private:
- std::multiset<PrintObjectStatus> m_db;
-};
-
-static inline bool model_volume_solid_or_modifier(const ModelVolume &mv)
-{
- ModelVolumeType type = mv.type();
- return type == ModelVolumeType::MODEL_PART || type == ModelVolumeType::NEGATIVE_VOLUME || type == ModelVolumeType::PARAMETER_MODIFIER;
-}
-
-static inline Transform3f trafo_for_bbox(const Transform3d &object_trafo, const Transform3d &volume_trafo)
-{
- Transform3d m = object_trafo * volume_trafo;
- m.translation().x() = 0.;
- m.translation().y() = 0.;
- return m.cast<float>();
-}
-
-static inline bool trafos_differ_in_rotation_by_z_and_mirroring_by_xy_only(const Transform3d &t1, const Transform3d &t2)
-{
- if (std::abs(t1.translation().z() - t2.translation().z()) > EPSILON)
- // One of the object is higher than the other above the build plate (or below the build plate).
- return false;
- Matrix3d m1 = t1.matrix().block<3, 3>(0, 0);
- Matrix3d m2 = t2.matrix().block<3, 3>(0, 0);
- Matrix3d m = m2.inverse() * m1;
- Vec3d z = m.block<3, 1>(0, 2);
- if (std::abs(z.x()) > EPSILON || std::abs(z.y()) > EPSILON || std::abs(z.z() - 1.) > EPSILON)
- // Z direction or length changed.
- return false;
- // Z still points in the same direction and it has the same length.
- Vec3d x = m.block<3, 1>(0, 0);
- Vec3d y = m.block<3, 1>(0, 1);
- if (std::abs(x.z()) > EPSILON || std::abs(y.z()) > EPSILON)
- return false;
- double lx2 = x.squaredNorm();
- double ly2 = y.squaredNorm();
- if (lx2 - 1. > EPSILON * EPSILON || ly2 - 1. > EPSILON * EPSILON)
- return false;
- // Verify whether the vectors x, y are still perpendicular.
- double d = x.dot(y);
- return std::abs(d * d) < EPSILON * lx2 * ly2;
-}
-
-static PrintObjectRegions::BoundingBox transformed_its_bbox2d(const indexed_triangle_set &its, const Transform3f &m, float offset)
-{
- assert(! its.indices.empty());
-
- PrintObjectRegions::BoundingBox bbox(m * its.vertices[its.indices.front()(0)]);
- for (const stl_triangle_vertex_indices &tri : its.indices)
- for (int i = 0; i < 3; ++ i)
- bbox.extend(m * its.vertices[tri(i)]);
- bbox.min() -= Vec3f(offset, offset, float(EPSILON));
- bbox.max() += Vec3f(offset, offset, float(EPSILON));
- return bbox;
-}
-
-static void transformed_its_bboxes_in_z_ranges(
- const indexed_triangle_set &its,
- const Transform3f &m,
- const std::vector<t_layer_height_range> &z_ranges,
- std::vector<std::pair<PrintObjectRegions::BoundingBox, bool>> &bboxes,
- const float offset)
-{
- bboxes.assign(z_ranges.size(), std::make_pair(PrintObjectRegions::BoundingBox(), false));
- for (const stl_triangle_vertex_indices &tri : its.indices) {
- const Vec3f pts[3] = { m * its.vertices[tri(0)], m * its.vertices[tri(1)], m * its.vertices[tri(2)] };
- for (size_t irange = 0; irange < z_ranges.size(); ++ irange) {
- const t_layer_height_range &z_range = z_ranges[irange];
- std::pair<PrintObjectRegions::BoundingBox, bool> &bbox = bboxes[irange];
- auto bbox_extend = [&bbox](const Vec3f& p) {
- if (bbox.second) {
- bbox.first.extend(p);
- } else {
- bbox.first.min() = bbox.first.max() = p;
- bbox.second = true;
- }
- };
- int iprev = 2;
- for (int iedge = 0; iedge < 3; ++ iedge) {
- const Vec3f *p1 = &pts[iprev];
- const Vec3f *p2 = &pts[iedge];
- // Sort the edge points by Z.
- if (p1->z() > p2->z())
- std::swap(p1, p2);
- if (p2->z() <= z_range.first || p1->z() >= z_range.second) {
- // Out of this slab.
- } else if (p1->z() < z_range.first) {
- if (p1->z() > z_range.second) {
- // Two intersections.
- float zspan = p2->z() - p1->z();
- float t1 = (z_range.first - p1->z()) / zspan;
- float t2 = (z_range.second - p1->z()) / zspan;
- Vec2f p = to_2d(*p1);
- Vec2f v(p2->x() - p1->x(), p2->y() - p1->y());
- bbox_extend(to_3d((p + v * t1).eval(), float(z_range.first)));
- bbox_extend(to_3d((p + v * t2).eval(), float(z_range.second)));
- } else {
- // Single intersection with the lower limit.
- float t = (z_range.first - p1->z()) / (p2->z() - p1->z());
- Vec2f v(p2->x() - p1->x(), p2->y() - p1->y());
- bbox_extend(to_3d((to_2d(*p1) + v * t).eval(), float(z_range.first)));
- bbox_extend(*p2);
- }
- } else if (p2->z() > z_range.second) {
- // Single intersection with the upper limit.
- float t = (z_range.second - p1->z()) / (p2->z() - p1->z());
- Vec2f v(p2->x() - p1->x(), p2->y() - p1->y());
- bbox_extend(to_3d((to_2d(*p1) + v * t).eval(), float(z_range.second)));
- bbox_extend(*p1);
- } else {
- // Both points are inside.
- bbox_extend(*p1);
- bbox_extend(*p2);
- }
- iprev = iedge;
- }
- }
- }
-
- for (std::pair<PrintObjectRegions::BoundingBox, bool> &bbox : bboxes) {
- bbox.first.min() -= Vec3f(offset, offset, float(EPSILON));
- bbox.first.max() += Vec3f(offset, offset, float(EPSILON));
- }
-}
-
-// Last PrintObject for this print_object_regions has been fully invalidated (deleted).
-// Keep print_object_regions, but delete those volumes, which were either removed from new_volumes, or which rotated or scaled, so they need
-// their bounding boxes to be recalculated.
-void print_objects_regions_invalidate_keep_some_volumes(PrintObjectRegions &print_object_regions, ModelVolumePtrs old_volumes, ModelVolumePtrs new_volumes)
-{
- print_object_regions.all_regions.clear();
-
- model_volumes_sort_by_id(old_volumes);
- model_volumes_sort_by_id(new_volumes);
-
- size_t i_cached_volume = 0;
- size_t last_cached_volume = 0;
- size_t i_old = 0;
- for (size_t i_new = 0; i_new < new_volumes.size(); ++ i_new)
- if (model_volume_solid_or_modifier(*new_volumes[i_new])) {
- for (; i_old < old_volumes.size(); ++ i_old)
- if (old_volumes[i_old]->id() >= new_volumes[i_new]->id())
- break;
- if (i_old != old_volumes.size() && old_volumes[i_old]->id() == new_volumes[i_new]->id()) {
- if (old_volumes[i_old]->get_matrix().isApprox(new_volumes[i_new]->get_matrix())) {
- // Reuse the volume.
- for (; print_object_regions.cached_volume_ids[i_cached_volume] < old_volumes[i_old]->id(); ++ i_cached_volume)
- assert(i_cached_volume < print_object_regions.cached_volume_ids.size());
- assert(i_cached_volume < print_object_regions.cached_volume_ids.size() && print_object_regions.cached_volume_ids[i_cached_volume] == old_volumes[i_old]->id());
- print_object_regions.cached_volume_ids[last_cached_volume ++] = print_object_regions.cached_volume_ids[i_cached_volume ++];
- } else {
- // Don't reuse the volume.
- }
- }
- }
- print_object_regions.cached_volume_ids.erase(print_object_regions.cached_volume_ids.begin() + last_cached_volume, print_object_regions.cached_volume_ids.end());
-}
-
-// Find a bounding box of a volume's part intersecting layer_range. Such a bounding box will likely be smaller in XY than the full bounding box,
-// thus it will intersect with lower number of other volumes.
-const PrintObjectRegions::BoundingBox* find_volume_extents(const PrintObjectRegions::LayerRangeRegions &layer_range, const ModelVolume &volume)
-{
- auto it = lower_bound_by_predicate(layer_range.volumes.begin(), layer_range.volumes.end(), [&volume](const PrintObjectRegions::VolumeExtents &l){ return l.volume_id < volume.id(); });
- return it != layer_range.volumes.end() && it->volume_id == volume.id() ? &it->bbox : nullptr;
-}
-
-// Find a bounding box of a topmost printable volume referenced by this modifier given this_region_id.
-PrintObjectRegions::BoundingBox find_modifier_volume_extents(const PrintObjectRegions::LayerRangeRegions &layer_range, const int this_region_id)
-{
- // Find the top-most printable volume of this modifier, or the printable volume itself.
- const PrintObjectRegions::VolumeRegion &this_region = layer_range.volume_regions[this_region_id];
- const PrintObjectRegions::BoundingBox *this_extents = find_volume_extents(layer_range, *this_region.model_volume);
- assert(this_extents);
- PrintObjectRegions::BoundingBox out { *this_extents };
- if (! this_region.model_volume->is_model_part())
- for (int parent_region_id = this_region.parent;;) {
- assert(parent_region_id >= 0);
- const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
- const PrintObjectRegions::BoundingBox *parent_extents = find_volume_extents(layer_range, *parent_region.model_volume);
- assert(parent_extents);
- out.extend(*parent_extents);
- if (parent_region.model_volume->is_model_part())
- break;
- parent_region_id = parent_region.parent;
- }
- return out;
-}
-
-PrintRegionConfig region_config_from_model_volume(const PrintRegionConfig &default_or_parent_region_config, const DynamicPrintConfig *layer_range_config, const ModelVolume &volume, size_t num_extruders);
-
-void print_region_ref_inc(PrintRegion &r) { ++ r.m_ref_cnt; }
-void print_region_ref_reset(PrintRegion &r) { r.m_ref_cnt = 0; }
-int print_region_ref_cnt(const PrintRegion &r) { return r.m_ref_cnt; }
-
-// Verify whether the PrintRegions of a PrintObject are still valid, possibly after updating the region configs.
-// Before region configs are updated, callback_invalidate() is called to possibly stop background processing.
-// Returns false if this object needs to be resliced because regions were merged or split.
-bool verify_update_print_object_regions(
- ModelVolumePtrs model_volumes,
- const PrintRegionConfig &default_region_config,
- size_t num_extruders,
- const std::vector<unsigned int> &painting_extruders,
- PrintObjectRegions &print_object_regions,
- const std::function<void(const PrintRegionConfig&, const PrintRegionConfig&, const t_config_option_keys&)> &callback_invalidate)
-{
- // Sort by ModelVolume ID.
- model_volumes_sort_by_id(model_volumes);
-
- for (std::unique_ptr<PrintRegion> &region : print_object_regions.all_regions)
- print_region_ref_reset(*region);
-
- // Verify and / or update PrintRegions produced by ModelVolumes, layer range modifiers, modifier volumes.
- for (PrintObjectRegions::LayerRangeRegions &layer_range : print_object_regions.layer_ranges) {
- // Each modifier ModelVolume intersecting this layer_range shall be referenced here at least once if it intersects some
- // printable ModelVolume at this layer_range even if it does not modify its overlapping printable ModelVolume configuration yet.
- // VolumeRegions reference ModelVolumes in layer_range.volume_regions the order they are stored in ModelObject volumes.
- // Remember whether a given modifier ModelVolume was visited already.
- auto it_model_volume_modifier_last = model_volumes.end();
- for (PrintObjectRegions::VolumeRegion &region : layer_range.volume_regions)
- if (region.model_volume->is_model_part() || region.model_volume->is_modifier()) {
- auto it_model_volume = lower_bound_by_predicate(model_volumes.begin(), model_volumes.end(), [&region](const ModelVolume *l){ return l->id() < region.model_volume->id(); });
- assert(it_model_volume != model_volumes.end() && (*it_model_volume)->id() == region.model_volume->id());
- if (region.model_volume->is_modifier() && it_model_volume != it_model_volume_modifier_last) {
- // A modifier ModelVolume is visited for the first time.
- // A visited modifier may not have had parent volume_regions created overlapping with some model parts or modifiers,
- // if the visited modifier did not modify their properties. Now the visited modifier's configuration may have changed,
- // which may require new regions to be created.
- it_model_volume_modifier_last = it_model_volume;
- int next_region_id = int(&region - layer_range.volume_regions.data());
- const PrintObjectRegions::BoundingBox *bbox = find_volume_extents(layer_range, *region.model_volume);
- assert(bbox);
- for (int parent_region_id = next_region_id - 1; parent_region_id >= 0; -- parent_region_id) {
- const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
- assert(parent_region.model_volume != region.model_volume);
- if (parent_region.model_volume->is_model_part() || parent_region.model_volume->is_modifier()) {
- // volume_regions are produced in decreasing order of parent volume_regions ids.
- // Some regions may not have been generated the last time by generate_print_object_regions().
- assert(next_region_id == int(layer_range.volume_regions.size()) ||
- layer_range.volume_regions[next_region_id].model_volume != region.model_volume ||
- layer_range.volume_regions[next_region_id].parent <= parent_region_id);
- if (next_region_id < int(layer_range.volume_regions.size()) &&
- layer_range.volume_regions[next_region_id].model_volume == region.model_volume &&
- layer_range.volume_regions[next_region_id].parent == parent_region_id) {
- // A parent region is already overridden.
- ++ next_region_id;
- } else if (PrintObjectRegions::BoundingBox parent_bbox = find_modifier_volume_extents(layer_range, parent_region_id); parent_bbox.intersects(*bbox))
- // Such parent region does not exist. If it is needed, then we need to reslice.
- // Only create new region for a modifier, which actually modifies config of it's parent.
- if (PrintRegionConfig config = region_config_from_model_volume(parent_region.region->config(), nullptr, **it_model_volume, num_extruders);
- config != parent_region.region->config())
- // This modifier newly overrides a region, which it did not before. We need to reslice.
- return false;
- }
- }
- }
- PrintRegionConfig cfg = region.parent == -1 ?
- region_config_from_model_volume(default_region_config, layer_range.config, **it_model_volume, num_extruders) :
- region_config_from_model_volume(layer_range.volume_regions[region.parent].region->config(), nullptr, **it_model_volume, num_extruders);
- if (cfg != region.region->config()) {
- // Region configuration changed.
- if (print_region_ref_cnt(*region.region) == 0) {
- // Region is referenced for the first time. Just change its parameters.
- // Stop the background process before assigning new configuration to the regions.
- t_config_option_keys diff = region.region->config().diff(cfg);
- callback_invalidate(region.region->config(), cfg, diff);
- region.region->config_apply_only(cfg, diff, false);
- } else {
- // Region is referenced multiple times, thus the region is being split. We need to reslice.
- return false;
- }
- }
- print_region_ref_inc(*region.region);
- }
- }
-
- // Verify and / or update PrintRegions produced by color painting.
- for (const PrintObjectRegions::LayerRangeRegions &layer_range : print_object_regions.layer_ranges)
- for (const PrintObjectRegions::PaintedRegion &region : layer_range.painted_regions) {
- const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[region.parent];
- PrintRegionConfig cfg = parent_region.region->config();
- cfg.perimeter_extruder.value = region.extruder_id;
- cfg.solid_infill_extruder.value = region.extruder_id;
- cfg.infill_extruder.value = region.extruder_id;
- if (cfg != region.region->config()) {
- // Region configuration changed.
- if (print_region_ref_cnt(*region.region) == 0) {
- // Region is referenced for the first time. Just change its parameters.
- // Stop the background process before assigning new configuration to the regions.
- t_config_option_keys diff = region.region->config().diff(cfg);
- callback_invalidate(region.region->config(), cfg, diff);
- region.region->config_apply_only(cfg, diff, false);
- } else {
- // Region is referenced multiple times, thus the region is being split. We need to reslice.
- return false;
- }
- }
- print_region_ref_inc(*region.region);
- }
-
- // Lastly verify, whether some regions were not merged.
- {
- std::vector<const PrintRegion*> regions;
- regions.reserve(print_object_regions.all_regions.size());
- for (std::unique_ptr<PrintRegion> &region : print_object_regions.all_regions) {
- assert(print_region_ref_cnt(*region) > 0);
- regions.emplace_back(&(*region.get()));
- }
- std::sort(regions.begin(), regions.end(), [](const PrintRegion *l, const PrintRegion *r){ return l->config_hash() < r->config_hash(); });
- for (size_t i = 0; i < regions.size(); ++ i) {
- size_t hash = regions[i]->config_hash();
- size_t j = i;
- for (++ j; j < regions.size() && regions[j]->config_hash() == hash; ++ j)
- if (regions[i]->config() == regions[j]->config()) {
- // Regions were merged. We need to reslice.
- return false;
- }
- }
- }
-
- return true;
-}
-
-// Update caches of volume bounding boxes.
-void update_volume_bboxes(
- std::vector<PrintObjectRegions::LayerRangeRegions> &layer_ranges,
- std::vector<ObjectID> &cached_volume_ids,
- ModelVolumePtrs model_volumes,
- const Transform3d &object_trafo,
- const float offset)
-{
- // output will be sorted by the order of model_volumes sorted by their ObjectIDs.
- model_volumes_sort_by_id(model_volumes);
-
- if (layer_ranges.size() == 1) {
- PrintObjectRegions::LayerRangeRegions &layer_range = layer_ranges.front();
- std::vector<PrintObjectRegions::VolumeExtents> volumes_old(std::move(layer_range.volumes));
- layer_range.volumes.reserve(model_volumes.size());
- for (const ModelVolume *model_volume : model_volumes)
- if (model_volume_solid_or_modifier(*model_volume)) {
- if (std::binary_search(cached_volume_ids.begin(), cached_volume_ids.end(), model_volume->id())) {
- auto it = lower_bound_by_predicate(volumes_old.begin(), volumes_old.end(), [model_volume](PrintObjectRegions::VolumeExtents &l) { return l.volume_id < model_volume->id(); });
- if (it != volumes_old.end() && it->volume_id == model_volume->id())
- layer_range.volumes.emplace_back(*it);
- } else
- layer_range.volumes.push_back({ model_volume->id(),
- transformed_its_bbox2d(model_volume->mesh().its, trafo_for_bbox(object_trafo, model_volume->get_matrix(false)), offset) });
- }
- } else {
- std::vector<std::vector<PrintObjectRegions::VolumeExtents>> volumes_old;
- if (cached_volume_ids.empty())
- for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges)
- layer_range.volumes.clear();
- else {
- volumes_old.reserve(layer_ranges.size());
- for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges)
- volumes_old.emplace_back(std::move(layer_range.volumes));
- }
-
- std::vector<std::pair<PrintObjectRegions::BoundingBox, bool>> bboxes;
- std::vector<t_layer_height_range> ranges;
- ranges.reserve(layer_ranges.size());
- for (const PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges) {
- t_layer_height_range r = layer_range.layer_height_range;
- r.first -= EPSILON;
- r.second += EPSILON;
- ranges.emplace_back(r);
- }
- for (const ModelVolume *model_volume : model_volumes)
- if (model_volume_solid_or_modifier(*model_volume)) {
- if (std::binary_search(cached_volume_ids.begin(), cached_volume_ids.end(), model_volume->id())) {
- for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges) {
- const auto &vold = volumes_old[&layer_range - layer_ranges.data()];
- auto it = lower_bound_by_predicate(vold.begin(), vold.end(), [model_volume](const PrintObjectRegions::VolumeExtents &l) { return l.volume_id < model_volume->id(); });
- if (it != vold.end() && it->volume_id == model_volume->id())
- layer_range.volumes.emplace_back(*it);
- }
- } else {
- transformed_its_bboxes_in_z_ranges(model_volume->mesh().its, trafo_for_bbox(object_trafo, model_volume->get_matrix(false)), ranges, bboxes, offset);
- for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges)
- if (auto &bbox = bboxes[&layer_range - layer_ranges.data()]; bbox.second)
- layer_range.volumes.push_back({ model_volume->id(), bbox.first });
- }
- }
- }
-
- cached_volume_ids.clear();
- cached_volume_ids.reserve(model_volumes.size());
- for (const ModelVolume *v : model_volumes)
- if (model_volume_solid_or_modifier(*v))
- cached_volume_ids.emplace_back(v->id());
-}
-
-// Either a fresh PrintObject, or PrintObject regions were invalidated (merged, split).
-// Generate PrintRegions from scratch.
-static PrintObjectRegions* generate_print_object_regions(
- PrintObjectRegions *print_object_regions_old,
- const ModelVolumePtrs &model_volumes,
- const LayerRanges &model_layer_ranges,
- const PrintRegionConfig &default_region_config,
- const Transform3d &trafo,
- size_t num_extruders,
- const float xy_size_compensation,
- const std::vector<unsigned int> &painting_extruders)
-{
- // Reuse the old object or generate a new one.
- auto out = print_object_regions_old ? std::unique_ptr<PrintObjectRegions>(print_object_regions_old) : std::make_unique<PrintObjectRegions>();
- auto &all_regions = out->all_regions;
- auto &layer_ranges_regions = out->layer_ranges;
-
- all_regions.clear();
-
- bool reuse_old = print_object_regions_old && !print_object_regions_old->layer_ranges.empty();
-
- if (reuse_old) {
- // Reuse old bounding boxes of some ModelVolumes and their ranges.
- // Verify that the old ranges match the new ranges.
- assert(model_layer_ranges.size() == layer_ranges_regions.size());
- for (const auto &range : model_layer_ranges) {
- PrintObjectRegions::LayerRangeRegions &r = layer_ranges_regions[&range - &*model_layer_ranges.begin()];
- assert(range.layer_height_range == r.layer_height_range);
- // If model::assign_copy() is called, layer_ranges_regions is copied thus the pointers to configs are lost.
- r.config = range.config;
- r.volume_regions.clear();
- r.painted_regions.clear();
- }
- } else {
- out->trafo_bboxes = trafo;
- layer_ranges_regions.reserve(model_layer_ranges.size());
- for (const auto &range : model_layer_ranges)
- layer_ranges_regions.push_back({ range.layer_height_range, range.config });
- }
-
- const bool is_mm_painted = num_extruders > 1 && std::any_of(model_volumes.cbegin(), model_volumes.cend(), [](const ModelVolume *mv) { return mv->is_mm_painted(); });
- update_volume_bboxes(layer_ranges_regions, out->cached_volume_ids, model_volumes, out->trafo_bboxes, is_mm_painted ? 0.f : std::max(0.f, xy_size_compensation));
-
- std::vector<PrintRegion*> region_set;
- auto get_create_region = [&region_set, &all_regions](PrintRegionConfig &&config) -> PrintRegion* {
- size_t hash = config.hash();
- auto it = Slic3r::lower_bound_by_predicate(region_set.begin(), region_set.end(), [&config, hash](const PrintRegion* l) {
- return l->config_hash() < hash || (l->config_hash() == hash && l->config() < config); });
- if (it != region_set.end() && (*it)->config_hash() == hash && (*it)->config() == config)
- return *it;
- // Insert into a sorted array, it has O(n) complexity, but the calling algorithm has an O(n^2*log(n)) complexity anyways.
- all_regions.emplace_back(std::make_unique<PrintRegion>(std::move(config), hash, int(all_regions.size())));
- PrintRegion *region = all_regions.back().get();
- region_set.emplace(it, region);
- return region;
- };
-
- // Chain the regions in the order they are stored in the volumes list.
- for (int volume_id = 0; volume_id < int(model_volumes.size()); ++ volume_id) {
- const ModelVolume &volume = *model_volumes[volume_id];
- if (model_volume_solid_or_modifier(volume)) {
- for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges_regions)
- if (const PrintObjectRegions::BoundingBox *bbox = find_volume_extents(layer_range, volume); bbox) {
- if (volume.is_model_part()) {
- // Add a model volume, assign an existing region or generate a new one.
- layer_range.volume_regions.push_back({
- &volume, -1,
- get_create_region(region_config_from_model_volume(default_region_config, layer_range.config, volume, num_extruders)),
- bbox
- });
- } else if (volume.is_negative_volume()) {
- // Add a negative (subtractor) volume. Such volume has neither region nor parent volume assigned.
- layer_range.volume_regions.push_back({ &volume, -1, nullptr, bbox });
- } else {
- assert(volume.is_modifier());
- // Modifiers may be chained one over the other. Check for overlap, merge DynamicPrintConfigs.
- bool added = false;
- int parent_model_part_id = -1;
- for (int parent_region_id = int(layer_range.volume_regions.size()) - 1; parent_region_id >= 0; -- parent_region_id) {
- const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
- const ModelVolume &parent_volume = *parent_region.model_volume;
- if (parent_volume.is_model_part() || parent_volume.is_modifier())
- if (PrintObjectRegions::BoundingBox parent_bbox = find_modifier_volume_extents(layer_range, parent_region_id); parent_bbox.intersects(*bbox)) {
- // Only create new region for a modifier, which actually modifies config of it's parent.
- if (PrintRegionConfig config = region_config_from_model_volume(parent_region.region->config(), nullptr, volume, num_extruders);
- config != parent_region.region->config()) {
- added = true;
- layer_range.volume_regions.push_back({ &volume, parent_region_id, get_create_region(std::move(config)), bbox });
- } else if (parent_model_part_id == -1 && parent_volume.is_model_part())
- parent_model_part_id = parent_region_id;
- }
- }
- if (! added && parent_model_part_id >= 0)
- // This modifier does not override any printable volume's configuration, however it may in the future.
- // Store it so that verify_update_print_object_regions() will handle this modifier correctly if its configuration changes.
- layer_range.volume_regions.push_back({ &volume, parent_model_part_id, layer_range.volume_regions[parent_model_part_id].region, bbox });
- }
- }
- }
- }
-
- // Finally add painting regions.
- for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges_regions) {
- for (unsigned int painted_extruder_id : painting_extruders)
- for (int parent_region_id = 0; parent_region_id < int(layer_range.volume_regions.size()); ++ parent_region_id)
- if (const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
- parent_region.model_volume->is_model_part() || parent_region.model_volume->is_modifier()) {
- PrintRegionConfig cfg = parent_region.region->config();
- cfg.perimeter_extruder.value = painted_extruder_id;
- cfg.solid_infill_extruder.value = painted_extruder_id;
- cfg.infill_extruder.value = painted_extruder_id;
- layer_range.painted_regions.push_back({ painted_extruder_id, parent_region_id, get_create_region(std::move(cfg))});
- }
- // Sort the regions by parent region::print_object_region_id() and extruder_id to help the slicing algorithm when applying MMU segmentation.
- std::sort(layer_range.painted_regions.begin(), layer_range.painted_regions.end(), [&layer_range](auto &l, auto &r) {
- int lid = layer_range.volume_regions[l.parent].region->print_object_region_id();
- int rid = layer_range.volume_regions[r.parent].region->print_object_region_id();
- return lid < rid || (lid == rid && l.extruder_id < r.extruder_id); });
- }
-
- return out.release();
-}
-
-Print::ApplyStatus Print::apply(const Model &model, DynamicPrintConfig new_full_config)
-{
-#ifdef _DEBUG
- check_model_ids_validity(model);
-#endif /* _DEBUG */
-
- // Normalize the config.
- new_full_config.option("print_settings_id", true);
- new_full_config.option("filament_settings_id", true);
- new_full_config.option("printer_settings_id", true);
- new_full_config.option("physical_printer_settings_id", true);
- new_full_config.normalize_fdm();
-
- // Find modified keys of the various configs. Resolve overrides extruder retract values by filament profiles.
- DynamicPrintConfig filament_overrides;
- t_config_option_keys print_diff = print_config_diffs(m_config, new_full_config, filament_overrides);
- t_config_option_keys full_config_diff = full_print_config_diffs(m_full_print_config, new_full_config);
- // Collect changes to object and region configs.
- t_config_option_keys object_diff = m_default_object_config.diff(new_full_config);
- t_config_option_keys region_diff = m_default_region_config.diff(new_full_config);
-
- // Do not use the ApplyStatus as we will use the max function when updating apply_status.
- unsigned int apply_status = APPLY_STATUS_UNCHANGED;
- auto update_apply_status = [&apply_status](bool invalidated)
- { apply_status = std::max<unsigned int>(apply_status, invalidated ? APPLY_STATUS_INVALIDATED : APPLY_STATUS_CHANGED); };
- if (! (print_diff.empty() && object_diff.empty() && region_diff.empty()))
- update_apply_status(false);
-
- // Grab the lock for the Print / PrintObject milestones.
- std::scoped_lock<std::mutex> lock(this->state_mutex());
-
- // The following call may stop the background processing.
- if (! print_diff.empty())
- update_apply_status(this->invalidate_state_by_config_options(new_full_config, print_diff));
-
- // Apply variables to placeholder parser. The placeholder parser is used by G-code export,
- // which should be stopped if print_diff is not empty.
- size_t num_extruders = m_config.nozzle_diameter.size();
- bool num_extruders_changed = false;
- if (! full_config_diff.empty()) {
- update_apply_status(this->invalidate_step(psGCodeExport));
- m_placeholder_parser.clear_config();
- // Set the profile aliases for the PrintBase::output_filename()
- m_placeholder_parser.set("print_preset", new_full_config.option("print_settings_id")->clone());
- m_placeholder_parser.set("filament_preset", new_full_config.option("filament_settings_id")->clone());
- m_placeholder_parser.set("printer_preset", new_full_config.option("printer_settings_id")->clone());
- m_placeholder_parser.set("physical_printer_preset", new_full_config.option("physical_printer_settings_id")->clone());
- // We want the filament overrides to be applied over their respective extruder parameters by the PlaceholderParser.
- // see "Placeholders do not respect filament overrides." GH issue #3649
- m_placeholder_parser.apply_config(filament_overrides);
- // It is also safe to change m_config now after this->invalidate_state_by_config_options() call.
- m_config.apply_only(new_full_config, print_diff, true);
- //FIXME use move semantics once ConfigBase supports it.
- // Some filament_overrides may contain values different from new_full_config, but equal to m_config.
- // As long as these config options don't reallocate memory when copying, we are safe overriding a value, which is in use by a worker thread.
- m_config.apply(filament_overrides);
- // Handle changes to object config defaults
- m_default_object_config.apply_only(new_full_config, object_diff, true);
- // Handle changes to regions config defaults
- m_default_region_config.apply_only(new_full_config, region_diff, true);
- m_full_print_config = std::move(new_full_config);
- if (num_extruders != m_config.nozzle_diameter.size()) {
- num_extruders = m_config.nozzle_diameter.size();
- num_extruders_changed = true;
- }
- }
-
- ModelObjectStatusDB model_object_status_db;
-
- // 1) Synchronize model objects.
- bool print_regions_reshuffled = false;
- if (model.id() != m_model.id()) {
- // Kill everything, initialize from scratch.
- // Stop background processing.
- this->call_cancel_callback();
- update_apply_status(this->invalidate_all_steps());
- for (PrintObject *object : m_objects) {
- model_object_status_db.add(*object->model_object(), ModelObjectStatus::Deleted);
- update_apply_status(object->invalidate_all_steps());
- delete object;
- }
- m_objects.clear();
- print_regions_reshuffled = true;
- m_model.assign_copy(model);
- for (const ModelObject *model_object : m_model.objects)
- model_object_status_db.add(*model_object, ModelObjectStatus::New);
- } else {
- if (m_model.custom_gcode_per_print_z != model.custom_gcode_per_print_z) {
- update_apply_status(num_extruders_changed ||
- // Tool change G-codes are applied as color changes for a single extruder printer, no need to invalidate tool ordering.
- //FIXME The tool ordering may be invalidated unnecessarily if the custom_gcode_per_print_z.mode is not applicable
- // to the active print / model state, and then it is reset, so it is being applicable, but empty, thus the effect is the same.
- (num_extruders > 1 && custom_per_printz_gcodes_tool_changes_differ(m_model.custom_gcode_per_print_z.gcodes, model.custom_gcode_per_print_z.gcodes)) ?
- // The Tool Ordering and the Wipe Tower are no more valid.
- this->invalidate_steps({ psWipeTower, psGCodeExport }) :
- // There is no change in Tool Changes stored in custom_gcode_per_print_z, therefore there is no need to update Tool Ordering.
- this->invalidate_step(psGCodeExport));
- m_model.custom_gcode_per_print_z = model.custom_gcode_per_print_z;
- }
- if (model_object_list_equal(m_model, model)) {
- // The object list did not change.
- for (const ModelObject *model_object : m_model.objects)
- model_object_status_db.add(*model_object, ModelObjectStatus::Old);
- } else if (model_object_list_extended(m_model, model)) {
- // Add new objects. Their volumes and configs will be synchronized later.
- update_apply_status(this->invalidate_step(psGCodeExport));
- for (const ModelObject *model_object : m_model.objects)
- model_object_status_db.add(*model_object, ModelObjectStatus::Old);
- for (size_t i = m_model.objects.size(); i < model.objects.size(); ++ i) {
- model_object_status_db.add(*model.objects[i], ModelObjectStatus::New);
- m_model.objects.emplace_back(ModelObject::new_copy(*model.objects[i]));
- m_model.objects.back()->set_model(&m_model);
- }
- } else {
- // Reorder the objects, add new objects.
- // First stop background processing before shuffling or deleting the PrintObjects in the object list.
- this->call_cancel_callback();
- update_apply_status(this->invalidate_step(psGCodeExport));
- // Second create a new list of objects.
- std::vector<ModelObject*> model_objects_old(std::move(m_model.objects));
- m_model.objects.clear();
- m_model.objects.reserve(model.objects.size());
- auto by_id_lower = [](const ModelObject *lhs, const ModelObject *rhs){ return lhs->id() < rhs->id(); };
- std::sort(model_objects_old.begin(), model_objects_old.end(), by_id_lower);
- for (const ModelObject *mobj : model.objects) {
- auto it = std::lower_bound(model_objects_old.begin(), model_objects_old.end(), mobj, by_id_lower);
- if (it == model_objects_old.end() || (*it)->id() != mobj->id()) {
- // New ModelObject added.
- m_model.objects.emplace_back(ModelObject::new_copy(*mobj));
- m_model.objects.back()->set_model(&m_model);
- model_object_status_db.add(*mobj, ModelObjectStatus::New);
- } else {
- // Existing ModelObject re-added (possibly moved in the list).
- m_model.objects.emplace_back(*it);
- model_object_status_db.add(*mobj, ModelObjectStatus::Moved);
- }
- }
- bool deleted_any = false;
- for (ModelObject *&model_object : model_objects_old)
- if (model_object_status_db.add_if_new(*model_object, ModelObjectStatus::Deleted))
- deleted_any = true;
- else
- // Do not delete this ModelObject instance.
- model_object = nullptr;
- if (deleted_any) {
- // Delete PrintObjects of the deleted ModelObjects.
- PrintObjectPtrs print_objects_old = std::move(m_objects);
- m_objects.clear();
- m_objects.reserve(print_objects_old.size());
- for (PrintObject *print_object : print_objects_old) {
- const ModelObjectStatus &status = model_object_status_db.get(*print_object->model_object());
- if (status.status == ModelObjectStatus::Deleted) {
- update_apply_status(print_object->invalidate_all_steps());
- delete print_object;
- } else
- m_objects.emplace_back(print_object);
- }
- for (ModelObject *model_object : model_objects_old)
- delete model_object;
- print_regions_reshuffled = true;
- }
- }
- }
-
- // 2) Map print objects including their transformation matrices.
- PrintObjectStatusDB print_object_status_db(m_objects);
-
- // 3) Synchronize ModelObjects & PrintObjects.
- const std::initializer_list<ModelVolumeType> solid_or_modifier_types { ModelVolumeType::MODEL_PART, ModelVolumeType::NEGATIVE_VOLUME, ModelVolumeType::PARAMETER_MODIFIER };
- for (size_t idx_model_object = 0; idx_model_object < model.objects.size(); ++ idx_model_object) {
- ModelObject &model_object = *m_model.objects[idx_model_object];
- ModelObjectStatus &model_object_status = const_cast<ModelObjectStatus&>(model_object_status_db.reuse(model_object));
- const ModelObject &model_object_new = *model.objects[idx_model_object];
- if (model_object_status.status == ModelObjectStatus::New)
- // PrintObject instances will be added in the next loop.
- continue;
- // Update the ModelObject instance, possibly invalidate the linked PrintObjects.
- assert(model_object_status.status == ModelObjectStatus::Old || model_object_status.status == ModelObjectStatus::Moved);
- // Check whether a model part volume was added or removed, their transformations or order changed.
- // Only volume IDs, volume types, transformation matrices and their order are checked, configuration and other parameters are NOT checked.
- bool solid_or_modifier_differ = model_volume_list_changed(model_object, model_object_new, solid_or_modifier_types) ||
- model_mmu_segmentation_data_changed(model_object, model_object_new) ||
- (model_object_new.is_mm_painted() && num_extruders_changed);
- bool supports_differ = model_volume_list_changed(model_object, model_object_new, ModelVolumeType::SUPPORT_BLOCKER) ||
- model_volume_list_changed(model_object, model_object_new, ModelVolumeType::SUPPORT_ENFORCER);
- bool layer_height_ranges_differ = ! layer_height_ranges_equal(model_object.layer_config_ranges, model_object_new.layer_config_ranges, model_object_new.layer_height_profile.empty());
- bool model_origin_translation_differ = model_object.origin_translation != model_object_new.origin_translation;
- auto print_objects_range = print_object_status_db.get_range(model_object);
- // The list actually can be empty if all instances are out of the print bed.
- //assert(print_objects_range.begin() != print_objects_range.end());
- // All PrintObjects in print_objects_range shall point to the same prints_objects_regions
- if (print_objects_range.begin() != print_objects_range.end()) {
- model_object_status.print_object_regions = print_objects_range.begin()->print_object->m_shared_regions;
- model_object_status.print_object_regions->ref_cnt_inc();
- }
- if (solid_or_modifier_differ || model_origin_translation_differ || layer_height_ranges_differ ||
- ! model_object.layer_height_profile.timestamp_matches(model_object_new.layer_height_profile)) {
- // The very first step (the slicing step) is invalidated. One may freely remove all associated PrintObjects.
- model_object_status.print_object_regions_status =
- model_object_status.print_object_regions == nullptr || model_origin_translation_differ || layer_height_ranges_differ ?
- // Drop print_objects_regions.
- ModelObjectStatus::PrintObjectRegionsStatus::Invalid :
- // Reuse bounding boxes of print_objects_regions for ModelVolumes with unmodified transformation.
- ModelObjectStatus::PrintObjectRegionsStatus::PartiallyValid;
- for (const PrintObjectStatus &print_object_status : print_objects_range) {
- update_apply_status(print_object_status.print_object->invalidate_all_steps());
- const_cast<PrintObjectStatus&>(print_object_status).status = PrintObjectStatus::Deleted;
- }
- if (model_object_status.print_object_regions_status == ModelObjectStatus::PrintObjectRegionsStatus::PartiallyValid)
- // Drop everything from PrintObjectRegions but those VolumeExtents (of their particular ModelVolumes) that are still valid.
- print_objects_regions_invalidate_keep_some_volumes(*model_object_status.print_object_regions, model_object.volumes, model_object_new.volumes);
- else if (model_object_status.print_object_regions != nullptr)
- model_object_status.print_object_regions->clear();
- // Copy content of the ModelObject including its ID, do not change the parent.
- model_object.assign_copy(model_object_new);
- } else {
- model_object_status.print_object_regions_status = ModelObjectStatus::PrintObjectRegionsStatus::Valid;
- if (supports_differ || model_custom_supports_data_changed(model_object, model_object_new)) {
- // First stop background processing before shuffling or deleting the ModelVolumes in the ModelObject's list.
- if (supports_differ) {
- this->call_cancel_callback();
- update_apply_status(false);
- }
- // Invalidate just the supports step.
- for (const PrintObjectStatus &print_object_status : print_objects_range)
- update_apply_status(print_object_status.print_object->invalidate_step(posSupportMaterial));
- if (supports_differ) {
- // Copy just the support volumes.
- model_volume_list_update_supports(model_object, model_object_new);
- }
- } else if (model_custom_seam_data_changed(model_object, model_object_new)) {
- update_apply_status(this->invalidate_step(psGCodeExport));
- }
- }
- if (! solid_or_modifier_differ) {
- // Synchronize Object's config.
- bool object_config_changed = ! model_object.config.timestamp_matches(model_object_new.config);
- if (object_config_changed)
- model_object.config.assign_config(model_object_new.config);
- if (! object_diff.empty() || object_config_changed || num_extruders_changed) {
- PrintObjectConfig new_config = PrintObject::object_config_from_model_object(m_default_object_config, model_object, num_extruders);
- for (const PrintObjectStatus &print_object_status : print_object_status_db.get_range(model_object)) {
- t_config_option_keys diff = print_object_status.print_object->config().diff(new_config);
- if (! diff.empty()) {
- update_apply_status(print_object_status.print_object->invalidate_state_by_config_options(print_object_status.print_object->config(), new_config, diff));
- print_object_status.print_object->config_apply_only(new_config, diff, true);
- }
- }
- }
- // Synchronize (just copy) the remaining data of ModelVolumes (name, config, custom supports data).
- //FIXME What to do with m_material_id?
- model_volume_list_copy_configs(model_object /* dst */, model_object_new /* src */, ModelVolumeType::MODEL_PART);
- model_volume_list_copy_configs(model_object /* dst */, model_object_new /* src */, ModelVolumeType::PARAMETER_MODIFIER);
- layer_height_ranges_copy_configs(model_object.layer_config_ranges /* dst */, model_object_new.layer_config_ranges /* src */);
- // Copy the ModelObject name, input_file and instances. The instances will be compared against PrintObject instances in the next step.
- model_object.name = model_object_new.name;
- model_object.input_file = model_object_new.input_file;
- // Only refresh ModelInstances if there is any change.
- if (model_object.instances.size() != model_object_new.instances.size() ||
- ! std::equal(model_object.instances.begin(), model_object.instances.end(), model_object_new.instances.begin(), [](auto l, auto r){ return l->id() == r->id(); })) {
- // G-code generator accesses model_object.instances to generate sequential print ordering matching the Plater object list.
- update_apply_status(this->invalidate_step(psGCodeExport));
- model_object.clear_instances();
- model_object.instances.reserve(model_object_new.instances.size());
- for (const ModelInstance *model_instance : model_object_new.instances) {
- model_object.instances.emplace_back(new ModelInstance(*model_instance));
- model_object.instances.back()->set_model_object(&model_object);
- }
- } else if (! std::equal(model_object.instances.begin(), model_object.instances.end(), model_object_new.instances.begin(),
- [](auto l, auto r){ return l->print_volume_state == r->print_volume_state && l->printable == r->printable &&
- l->get_transformation().get_matrix().isApprox(r->get_transformation().get_matrix()); })) {
- // If some of the instances changed, the bounding box of the updated ModelObject is likely no more valid.
- // This is safe as the ModelObject's bounding box is only accessed from this function, which is called from the main thread only.
- model_object.invalidate_bounding_box();
- // Synchronize the content of instances.
- auto new_instance = model_object_new.instances.begin();
- for (auto old_instance = model_object.instances.begin(); old_instance != model_object.instances.end(); ++ old_instance, ++ new_instance) {
- (*old_instance)->set_transformation((*new_instance)->get_transformation());
- (*old_instance)->print_volume_state = (*new_instance)->print_volume_state;
- (*old_instance)->printable = (*new_instance)->printable;
- }
- }
- }
- }
-
- // 4) Generate PrintObjects from ModelObjects and their instances.
- {
- PrintObjectPtrs print_objects_new;
- print_objects_new.reserve(std::max(m_objects.size(), m_model.objects.size()));
- bool new_objects = false;
- // Walk over all new model objects and check, whether there are matching PrintObjects.
- for (ModelObject *model_object : m_model.objects) {
- ModelObjectStatus &model_object_status = const_cast<ModelObjectStatus&>(model_object_status_db.reuse(*model_object));
- model_object_status.print_instances = print_objects_from_model_object(*model_object);
- std::vector<const PrintObjectStatus*> old;
- old.reserve(print_object_status_db.count(*model_object));
- for (const PrintObjectStatus &print_object_status : print_object_status_db.get_range(*model_object))
- if (print_object_status.status != PrintObjectStatus::Deleted)
- old.emplace_back(&print_object_status);
- // Generate a list of trafos and XY offsets for instances of a ModelObject
- // Producing the config for PrintObject on demand, caching it at print_object_last.
- const PrintObject *print_object_last = nullptr;
- auto print_object_apply_config = [this, &print_object_last, model_object, num_extruders](PrintObject *print_object) {
- print_object->config_apply(print_object_last ?
- print_object_last->config() :
- PrintObject::object_config_from_model_object(m_default_object_config, *model_object, num_extruders));
- print_object_last = print_object;
- };
- if (old.empty()) {
- // Simple case, just generate new instances.
- for (PrintObjectTrafoAndInstances &print_instances : model_object_status.print_instances) {
- PrintObject *print_object = new PrintObject(this, model_object, print_instances.trafo, std::move(print_instances.instances));
- print_object_apply_config(print_object);
- print_objects_new.emplace_back(print_object);
- // print_object_status.emplace(PrintObjectStatus(print_object, PrintObjectStatus::New));
- new_objects = true;
- }
- continue;
- }
- // Complex case, try to merge the two lists.
- // Sort the old lexicographically by their trafos.
- std::sort(old.begin(), old.end(), [](const PrintObjectStatus *lhs, const PrintObjectStatus *rhs){ return transform3d_lower(lhs->trafo, rhs->trafo); });
- // Merge the old / new lists.
- auto it_old = old.begin();
- for (PrintObjectTrafoAndInstances &new_instances : model_object_status.print_instances) {
- for (; it_old != old.end() && transform3d_lower((*it_old)->trafo, new_instances.trafo); ++ it_old);
- if (it_old == old.end() || ! transform3d_equal((*it_old)->trafo, new_instances.trafo)) {
- // This is a new instance (or a set of instances with the same trafo). Just add it.
- PrintObject *print_object = new PrintObject(this, model_object, new_instances.trafo, std::move(new_instances.instances));
- print_object_apply_config(print_object);
- print_objects_new.emplace_back(print_object);
- // print_object_status.emplace(PrintObjectStatus(print_object, PrintObjectStatus::New));
- new_objects = true;
- if (it_old != old.end())
- const_cast<PrintObjectStatus*>(*it_old)->status = PrintObjectStatus::Deleted;
- } else {
- // The PrintObject already exists and the copies differ.
- PrintBase::ApplyStatus status = (*it_old)->print_object->set_instances(std::move(new_instances.instances));
- if (status != PrintBase::APPLY_STATUS_UNCHANGED)
- update_apply_status(status == PrintBase::APPLY_STATUS_INVALIDATED);
- print_objects_new.emplace_back((*it_old)->print_object);
- const_cast<PrintObjectStatus*>(*it_old)->status = PrintObjectStatus::Reused;
- }
- }
- }
- if (m_objects != print_objects_new) {
- this->call_cancel_callback();
- update_apply_status(this->invalidate_all_steps());
- m_objects = print_objects_new;
- // Delete the PrintObjects marked as Unknown or Deleted.
- bool deleted_objects = false;
- for (const PrintObjectStatus &pos : print_object_status_db)
- if (pos.status == PrintObjectStatus::Unknown || pos.status == PrintObjectStatus::Deleted) {
- update_apply_status(pos.print_object->invalidate_all_steps());
- delete pos.print_object;
- deleted_objects = true;
- }
- if (new_objects || deleted_objects)
- update_apply_status(this->invalidate_steps({ psSkirtBrim, psWipeTower, psGCodeExport }));
- if (new_objects)
- update_apply_status(false);
- print_regions_reshuffled = true;
- }
- print_object_status_db.clear();
- }
-
- // All regions now have distinct settings.
- // Check whether applying the new region config defaults we would get different regions,
- // update regions or create regions from scratch.
- for (auto it_print_object = m_objects.begin(); it_print_object != m_objects.end();) {
- // Find the range of PrintObjects sharing the same associated ModelObject.
- auto it_print_object_end = it_print_object;
- PrintObject &print_object = *(*it_print_object);
- const ModelObject &model_object = *print_object.model_object();
- ModelObjectStatus &model_object_status = const_cast<ModelObjectStatus&>(model_object_status_db.reuse(model_object));
- PrintObjectRegions *print_object_regions = model_object_status.print_object_regions;
- for (++ it_print_object_end; it_print_object_end != m_objects.end() && (*it_print_object)->model_object() == (*it_print_object_end)->model_object(); ++ it_print_object_end)
- assert((*it_print_object_end)->m_shared_regions == nullptr || (*it_print_object_end)->m_shared_regions == print_object_regions);
- if (print_object_regions == nullptr) {
- print_object_regions = new PrintObjectRegions{};
- model_object_status.print_object_regions = print_object_regions;
- print_object_regions->ref_cnt_inc();
- }
- std::vector<unsigned int> painting_extruders;
- if (const auto &volumes = print_object.model_object()->volumes;
- num_extruders > 1 &&
- std::find_if(volumes.begin(), volumes.end(), [](const ModelVolume *v) { return ! v->mmu_segmentation_facets.empty(); }) != volumes.end()) {
- //FIXME be more specific! Don't enumerate extruders that are not used for painting!
- painting_extruders.assign(num_extruders, 0);
- std::iota(painting_extruders.begin(), painting_extruders.end(), 1);
- }
- if (model_object_status.print_object_regions_status == ModelObjectStatus::PrintObjectRegionsStatus::Valid) {
- // Verify that the trafo for regions & volume bounding boxes thus for regions is still applicable.
- auto invalidate = [it_print_object, it_print_object_end, update_apply_status]() {
- for (auto it = it_print_object; it != it_print_object_end; ++ it)
- if ((*it)->m_shared_regions != nullptr)
- update_apply_status((*it)->invalidate_all_steps());
- };
- if (print_object_regions && ! trafos_differ_in_rotation_by_z_and_mirroring_by_xy_only(print_object_regions->trafo_bboxes, model_object_status.print_instances.front().trafo)) {
- invalidate();
- print_object_regions->clear();
- model_object_status.print_object_regions_status = ModelObjectStatus::PrintObjectRegionsStatus::Invalid;
- print_regions_reshuffled = true;
- } else if (print_object_regions &&
- verify_update_print_object_regions(
- print_object.model_object()->volumes,
- m_default_region_config,
- num_extruders,
- painting_extruders,
- *print_object_regions,
- [it_print_object, it_print_object_end, &update_apply_status](const PrintRegionConfig &old_config, const PrintRegionConfig &new_config, const t_config_option_keys &diff_keys) {
- for (auto it = it_print_object; it != it_print_object_end; ++it)
- if ((*it)->m_shared_regions != nullptr)
- update_apply_status((*it)->invalidate_state_by_config_options(old_config, new_config, diff_keys));
- })) {
- // Regions are valid, just keep them.
- } else {
- // Regions were reshuffled.
- invalidate();
- // At least reuse layer ranges and bounding boxes of ModelVolumes.
- model_object_status.print_object_regions_status = ModelObjectStatus::PrintObjectRegionsStatus::PartiallyValid;
- print_regions_reshuffled = true;
- }
- }
- if (print_object_regions == nullptr || model_object_status.print_object_regions_status != ModelObjectStatus::PrintObjectRegionsStatus::Valid) {
- // Layer ranges with their associated configurations. Remove overlaps between the ranges
- // and create the regions from scratch.
- print_object_regions = generate_print_object_regions(
- print_object_regions,
- print_object.model_object()->volumes,
- LayerRanges(print_object.model_object()->layer_config_ranges),
- m_default_region_config,
- model_object_status.print_instances.front().trafo,
- num_extruders,
- print_object.is_mm_painted() ? 0.f : float(print_object.config().xy_size_compensation.value),
- painting_extruders);
- }
- for (auto it = it_print_object; it != it_print_object_end; ++it)
- if ((*it)->m_shared_regions) {
- assert((*it)->m_shared_regions == print_object_regions);
- } else {
- (*it)->m_shared_regions = print_object_regions;
- print_object_regions->ref_cnt_inc();
- }
- it_print_object = it_print_object_end;
- }
-
- if (print_regions_reshuffled) {
- // Update Print::m_print_regions from objects.
- struct cmp { bool operator() (const PrintRegion *l, const PrintRegion *r) const { return l->config_hash() == r->config_hash() && l->config() == r->config(); } };
- std::set<const PrintRegion*, cmp> region_set;
- m_print_regions.clear();
- PrintObjectRegions *print_object_regions = nullptr;
- for (PrintObject *print_object : m_objects)
- if (print_object_regions != print_object->m_shared_regions) {
- print_object_regions = print_object->m_shared_regions;
- for (std::unique_ptr<Slic3r::PrintRegion> &print_region : print_object_regions->all_regions)
- if (auto it = region_set.find(print_region.get()); it == region_set.end()) {
- int print_region_id = int(m_print_regions.size());
- m_print_regions.emplace_back(print_region.get());
- print_region->m_print_region_id = print_region_id;
- } else {
- print_region->m_print_region_id = (*it)->print_region_id();
- }
- }
- }
-
- // Update SlicingParameters for each object where the SlicingParameters is not valid.
- // If it is not valid, then it is ensured that PrintObject.m_slicing_params is not in use
- // (posSlicing and posSupportMaterial was invalidated).
- for (PrintObject *object : m_objects)
- object->update_slicing_parameters();
-
-#ifdef _DEBUG
- check_model_ids_equal(m_model, model);
-#endif /* _DEBUG */
-
- return static_cast<ApplyStatus>(apply_status);
-}
-
-} // namespace Slic3r
+#include "Model.hpp"
+#include "Print.hpp"
+
+#include <cfloat>
+
+namespace Slic3r {
+
+// Add or remove support modifier ModelVolumes from model_object_dst to match the ModelVolumes of model_object_new
+// in the exact order and with the same IDs.
+// It is expected, that the model_object_dst already contains the non-support volumes of model_object_new in the correct order.
+// Friend to ModelVolume to allow copying.
+// static is not accepted by gcc if declared as a friend of ModelObject.
+/* static */ void model_volume_list_update_supports(ModelObject &model_object_dst, const ModelObject &model_object_new)
+{
+ typedef std::pair<const ModelVolume*, bool> ModelVolumeWithStatus;
+ std::vector<ModelVolumeWithStatus> old_volumes;
+ old_volumes.reserve(model_object_dst.volumes.size());
+ for (const ModelVolume *model_volume : model_object_dst.volumes)
+ old_volumes.emplace_back(ModelVolumeWithStatus(model_volume, false));
+ auto model_volume_lower = [](const ModelVolumeWithStatus &mv1, const ModelVolumeWithStatus &mv2){ return mv1.first->id() < mv2.first->id(); };
+ auto model_volume_equal = [](const ModelVolumeWithStatus &mv1, const ModelVolumeWithStatus &mv2){ return mv1.first->id() == mv2.first->id(); };
+ std::sort(old_volumes.begin(), old_volumes.end(), model_volume_lower);
+ model_object_dst.volumes.clear();
+ model_object_dst.volumes.reserve(model_object_new.volumes.size());
+ for (const ModelVolume *model_volume_src : model_object_new.volumes) {
+ ModelVolumeWithStatus key(model_volume_src, false);
+ auto it = std::lower_bound(old_volumes.begin(), old_volumes.end(), key, model_volume_lower);
+ if (it != old_volumes.end() && model_volume_equal(*it, key)) {
+ // The volume was found in the old list. Just copy it.
+ assert(! it->second); // not consumed yet
+ it->second = true;
+ ModelVolume *model_volume_dst = const_cast<ModelVolume*>(it->first);
+ // For support modifiers, the type may have been switched from blocker to enforcer and vice versa.
+ assert((model_volume_dst->is_support_modifier() && model_volume_src->is_support_modifier()) || model_volume_dst->type() == model_volume_src->type());
+ model_object_dst.volumes.emplace_back(model_volume_dst);
+ if (model_volume_dst->is_support_modifier()) {
+ // For support modifiers, the type may have been switched from blocker to enforcer and vice versa.
+ model_volume_dst->set_type(model_volume_src->type());
+ model_volume_dst->set_transformation(model_volume_src->get_transformation());
+ }
+ assert(model_volume_dst->get_matrix().isApprox(model_volume_src->get_matrix()));
+ } else {
+ // The volume was not found in the old list. Create a new copy.
+ assert(model_volume_src->is_support_modifier());
+ model_object_dst.volumes.emplace_back(new ModelVolume(*model_volume_src));
+ model_object_dst.volumes.back()->set_model_object(&model_object_dst);
+ }
+ }
+ // Release the non-consumed old volumes (those were deleted from the new list).
+ for (ModelVolumeWithStatus &mv_with_status : old_volumes)
+ if (! mv_with_status.second)
+ delete mv_with_status.first;
+}
+
+static inline void model_volume_list_copy_configs(ModelObject &model_object_dst, const ModelObject &model_object_src, const ModelVolumeType type)
+{
+ size_t i_src, i_dst;
+ for (i_src = 0, i_dst = 0; i_src < model_object_src.volumes.size() && i_dst < model_object_dst.volumes.size();) {
+ const ModelVolume &mv_src = *model_object_src.volumes[i_src];
+ ModelVolume &mv_dst = *model_object_dst.volumes[i_dst];
+ if (mv_src.type() != type) {
+ ++ i_src;
+ continue;
+ }
+ if (mv_dst.type() != type) {
+ ++ i_dst;
+ continue;
+ }
+ assert(mv_src.id() == mv_dst.id());
+ // Copy the ModelVolume data.
+ mv_dst.name = mv_src.name;
+ mv_dst.config.assign_config(mv_src.config);
+ assert(mv_dst.supported_facets.id() == mv_src.supported_facets.id());
+ mv_dst.supported_facets.assign(mv_src.supported_facets);
+ assert(mv_dst.seam_facets.id() == mv_src.seam_facets.id());
+ mv_dst.seam_facets.assign(mv_src.seam_facets);
+ assert(mv_dst.mmu_segmentation_facets.id() == mv_src.mmu_segmentation_facets.id());
+ mv_dst.mmu_segmentation_facets.assign(mv_src.mmu_segmentation_facets);
+ //FIXME what to do with the materials?
+ // mv_dst.m_material_id = mv_src.m_material_id;
+ ++ i_src;
+ ++ i_dst;
+ }
+}
+
+static inline void layer_height_ranges_copy_configs(t_layer_config_ranges &lr_dst, const t_layer_config_ranges &lr_src)
+{
+ assert(lr_dst.size() == lr_src.size());
+ auto it_src = lr_src.cbegin();
+ for (auto &kvp_dst : lr_dst) {
+ const auto &kvp_src = *it_src ++;
+ assert(std::abs(kvp_dst.first.first - kvp_src.first.first ) <= EPSILON);
+ assert(std::abs(kvp_dst.first.second - kvp_src.first.second) <= EPSILON);
+ // Layer heights are allowed do differ in case the layer height table is being overriden by the smooth profile.
+ // assert(std::abs(kvp_dst.second.option("layer_height")->getFloat() - kvp_src.second.option("layer_height")->getFloat()) <= EPSILON);
+ kvp_dst.second = kvp_src.second;
+ }
+}
+
+static inline bool transform3d_lower(const Transform3d &lhs, const Transform3d &rhs)
+{
+ typedef Transform3d::Scalar T;
+ const T *lv = lhs.data();
+ const T *rv = rhs.data();
+ for (size_t i = 0; i < 16; ++ i, ++ lv, ++ rv) {
+ if (*lv < *rv)
+ return true;
+ else if (*lv > *rv)
+ return false;
+ }
+ return false;
+}
+
+static inline bool transform3d_equal(const Transform3d &lhs, const Transform3d &rhs)
+{
+ typedef Transform3d::Scalar T;
+ const T *lv = lhs.data();
+ const T *rv = rhs.data();
+ for (size_t i = 0; i < 16; ++ i, ++ lv, ++ rv)
+ if (*lv != *rv)
+ return false;
+ return true;
+}
+
+struct PrintObjectTrafoAndInstances
+{
+ Transform3d trafo;
+ PrintInstances instances;
+ bool operator<(const PrintObjectTrafoAndInstances &rhs) const { return transform3d_lower(this->trafo, rhs.trafo); }
+};
+
+// Generate a list of trafos and XY offsets for instances of a ModelObject
+static std::vector<PrintObjectTrafoAndInstances> print_objects_from_model_object(const ModelObject &model_object)
+{
+ std::set<PrintObjectTrafoAndInstances> trafos;
+ PrintObjectTrafoAndInstances trafo;
+ for (ModelInstance *model_instance : model_object.instances)
+ if (model_instance->is_printable()) {
+ trafo.trafo = model_instance->get_matrix();
+ auto shift = Point::new_scale(trafo.trafo.data()[12], trafo.trafo.data()[13]);
+ // Reset the XY axes of the transformation.
+ trafo.trafo.data()[12] = 0;
+ trafo.trafo.data()[13] = 0;
+ // Search or insert a trafo.
+ auto it = trafos.emplace(trafo).first;
+ const_cast<PrintObjectTrafoAndInstances&>(*it).instances.emplace_back(PrintInstance{ nullptr, model_instance, shift });
+ }
+ return std::vector<PrintObjectTrafoAndInstances>(trafos.begin(), trafos.end());
+}
+
+// Compare just the layer ranges and their layer heights, not the associated configs.
+// Ignore the layer heights if check_layer_heights is false.
+static bool layer_height_ranges_equal(const t_layer_config_ranges &lr1, const t_layer_config_ranges &lr2, bool check_layer_height)
+{
+ if (lr1.size() != lr2.size())
+ return false;
+ auto it2 = lr2.begin();
+ for (const auto &kvp1 : lr1) {
+ const auto &kvp2 = *it2 ++;
+ if (std::abs(kvp1.first.first - kvp2.first.first ) > EPSILON ||
+ std::abs(kvp1.first.second - kvp2.first.second) > EPSILON ||
+ (check_layer_height && std::abs(kvp1.second.option("layer_height")->getFloat() - kvp2.second.option("layer_height")->getFloat()) > EPSILON))
+ return false;
+ }
+ return true;
+}
+
+// Returns true if va == vb when all CustomGCode items that are not ToolChangeCode are ignored.
+static bool custom_per_printz_gcodes_tool_changes_differ(const std::vector<CustomGCode::Item> &va, const std::vector<CustomGCode::Item> &vb)
+{
+ auto it_a = va.begin();
+ auto it_b = vb.begin();
+ while (it_a != va.end() || it_b != vb.end()) {
+ if (it_a != va.end() && it_a->type != CustomGCode::ToolChange) {
+ // Skip any CustomGCode items, which are not tool changes.
+ ++ it_a;
+ continue;
+ }
+ if (it_b != vb.end() && it_b->type != CustomGCode::ToolChange) {
+ // Skip any CustomGCode items, which are not tool changes.
+ ++ it_b;
+ continue;
+ }
+ if (it_a == va.end() || it_b == vb.end())
+ // va or vb contains more Tool Changes than the other.
+ return true;
+ assert(it_a->type == CustomGCode::ToolChange);
+ assert(it_b->type == CustomGCode::ToolChange);
+ if (*it_a != *it_b)
+ // The two Tool Changes differ.
+ return true;
+ ++ it_a;
+ ++ it_b;
+ }
+ // There is no change in custom Tool Changes.
+ return false;
+}
+
+// Collect changes to print config, account for overrides of extruder retract values by filament presets.
+static t_config_option_keys print_config_diffs(
+ const PrintConfig &current_config,
+ const DynamicPrintConfig &new_full_config,
+ DynamicPrintConfig &filament_overrides)
+{
+ const std::vector<std::string> &extruder_retract_keys = print_config_def.extruder_retract_keys();
+ const std::string filament_prefix = "filament_";
+ t_config_option_keys print_diff;
+ for (const t_config_option_key &opt_key : current_config.keys()) {
+ const ConfigOption *opt_old = current_config.option(opt_key);
+ assert(opt_old != nullptr);
+ const ConfigOption *opt_new = new_full_config.option(opt_key);
+ // assert(opt_new != nullptr);
+ if (opt_new == nullptr)
+ //FIXME This may happen when executing some test cases.
+ continue;
+ const ConfigOption *opt_new_filament = std::binary_search(extruder_retract_keys.begin(), extruder_retract_keys.end(), opt_key) ? new_full_config.option(filament_prefix + opt_key) : nullptr;
+ if (opt_new_filament != nullptr && ! opt_new_filament->is_nil()) {
+ // An extruder retract override is available at some of the filament presets.
+ bool overriden = opt_new->overriden_by(opt_new_filament);
+ if (overriden || *opt_old != *opt_new) {
+ auto opt_copy = opt_new->clone();
+ opt_copy->apply_override(opt_new_filament);
+ bool changed = *opt_old != *opt_copy;
+ if (changed)
+ print_diff.emplace_back(opt_key);
+ if (changed || overriden) {
+ // filament_overrides will be applied to the placeholder parser, which layers these parameters over full_print_config.
+ filament_overrides.set_key_value(opt_key, opt_copy);
+ } else
+ delete opt_copy;
+ }
+ } else if (*opt_new != *opt_old)
+ print_diff.emplace_back(opt_key);
+ }
+
+ return print_diff;
+}
+
+// Prepare for storing of the full print config into new_full_config to be exported into the G-code and to be used by the PlaceholderParser.
+static t_config_option_keys full_print_config_diffs(const DynamicPrintConfig &current_full_config, const DynamicPrintConfig &new_full_config)
+{
+ t_config_option_keys full_config_diff;
+ for (const t_config_option_key &opt_key : new_full_config.keys()) {
+ const ConfigOption *opt_old = current_full_config.option(opt_key);
+ const ConfigOption *opt_new = new_full_config.option(opt_key);
+ if (opt_old == nullptr || *opt_new != *opt_old)
+ full_config_diff.emplace_back(opt_key);
+ }
+ return full_config_diff;
+}
+
+// Repository for solving partial overlaps of ModelObject::layer_config_ranges.
+// Here the const DynamicPrintConfig* point to the config in ModelObject::layer_config_ranges.
+class LayerRanges
+{
+public:
+ struct LayerRange {
+ t_layer_height_range layer_height_range;
+ // Config is owned by the associated ModelObject.
+ const DynamicPrintConfig* config { nullptr };
+
+ bool operator<(const LayerRange &rhs) const throw() { return this->layer_height_range < rhs.layer_height_range; }
+ };
+
+ LayerRanges() = default;
+ LayerRanges(const t_layer_config_ranges &in) { this->assign(in); }
+
+ // Convert input config ranges into continuous non-overlapping sorted vector of intervals and their configs.
+ void assign(const t_layer_config_ranges &in) {
+ m_ranges.clear();
+ m_ranges.reserve(in.size());
+ // Input ranges are sorted lexicographically. First range trims the other ranges.
+ coordf_t last_z = 0;
+ for (const std::pair<const t_layer_height_range, ModelConfig> &range : in)
+ if (range.first.second > last_z) {
+ coordf_t min_z = std::max(range.first.first, 0.);
+ if (min_z > last_z + EPSILON) {
+ m_ranges.push_back({ t_layer_height_range(last_z, min_z) });
+ last_z = min_z;
+ }
+ if (range.first.second > last_z + EPSILON) {
+ const DynamicPrintConfig *cfg = &range.second.get();
+ m_ranges.push_back({ t_layer_height_range(last_z, range.first.second), cfg });
+ last_z = range.first.second;
+ }
+ }
+ if (m_ranges.empty())
+ m_ranges.push_back({ t_layer_height_range(0, DBL_MAX) });
+ else if (m_ranges.back().config == nullptr)
+ m_ranges.back().layer_height_range.second = DBL_MAX;
+ else
+ m_ranges.push_back({ t_layer_height_range(m_ranges.back().layer_height_range.second, DBL_MAX) });
+ }
+
+ const DynamicPrintConfig* config(const t_layer_height_range &range) const {
+ auto it = std::lower_bound(m_ranges.begin(), m_ranges.end(), LayerRange{ { range.first - EPSILON, range.second - EPSILON } });
+ // #ys_FIXME_COLOR
+ // assert(it != m_ranges.end());
+ // assert(it == m_ranges.end() || std::abs(it->first.first - range.first ) < EPSILON);
+ // assert(it == m_ranges.end() || std::abs(it->first.second - range.second) < EPSILON);
+ if (it == m_ranges.end() ||
+ std::abs(it->layer_height_range.first - range.first) > EPSILON ||
+ std::abs(it->layer_height_range.second - range.second) > EPSILON )
+ return nullptr; // desired range doesn't found
+ return it == m_ranges.end() ? nullptr : it->config;
+ }
+
+ std::vector<LayerRange>::const_iterator begin() const { return m_ranges.cbegin(); }
+ std::vector<LayerRange>::const_iterator end () const { return m_ranges.cend(); }
+ size_t size () const { return m_ranges.size(); }
+
+private:
+ // Layer ranges with their config overrides and list of volumes with their snug bounding boxes in a given layer range.
+ std::vector<LayerRange> m_ranges;
+};
+
+// To track Model / ModelObject updates between the front end and back end, including layer height ranges, their configs,
+// and snug bounding boxes of ModelVolumes.
+struct ModelObjectStatus {
+ enum Status {
+ Unknown,
+ Old,
+ New,
+ Moved,
+ Deleted,
+ };
+
+ enum class PrintObjectRegionsStatus {
+ Invalid,
+ Valid,
+ PartiallyValid,
+ };
+
+ ModelObjectStatus(ObjectID id, Status status = Unknown) : id(id), status(status) {}
+ ~ModelObjectStatus() { if (print_object_regions) print_object_regions->ref_cnt_dec(); }
+
+ // Key of the set.
+ ObjectID id;
+ // Status of this ModelObject with id on apply().
+ Status status;
+ // PrintObjects to be generated for this ModelObject including their base transformation.
+ std::vector<PrintObjectTrafoAndInstances> print_instances;
+ // Regions shared by the associated PrintObjects.
+ PrintObjectRegions *print_object_regions { nullptr };
+ // Status of the above.
+ PrintObjectRegionsStatus print_object_regions_status { PrintObjectRegionsStatus::Invalid };
+
+ // Search by id.
+ bool operator<(const ModelObjectStatus &rhs) const { return id < rhs.id; }
+};
+
+struct ModelObjectStatusDB
+{
+ void add(const ModelObject &model_object, const ModelObjectStatus::Status status) {
+ assert(db.find(ModelObjectStatus(model_object.id())) == db.end());
+ db.emplace(model_object.id(), status);
+ }
+
+ bool add_if_new(const ModelObject &model_object, const ModelObjectStatus::Status status) {
+ auto it = db.find(ModelObjectStatus(model_object.id()));
+ if (it == db.end()) {
+ db.emplace_hint(it, model_object.id(), status);
+ return true;
+ }
+ return false;
+ }
+
+ const ModelObjectStatus& get(const ModelObject &model_object) {
+ auto it = db.find(ModelObjectStatus(model_object.id()));
+ assert(it != db.end());
+ return *it;
+ }
+
+ const ModelObjectStatus& reuse(const ModelObject &model_object) {
+ const ModelObjectStatus &result = this->get(model_object);
+ assert(result.status != ModelObjectStatus::Deleted);
+ return result;
+ }
+
+ std::set<ModelObjectStatus> db;
+};
+
+struct PrintObjectStatus {
+ enum Status {
+ Unknown,
+ Deleted,
+ Reused,
+ New
+ };
+
+ PrintObjectStatus(PrintObject *print_object, Status status = Unknown) :
+ id(print_object->model_object()->id()),
+ print_object(print_object),
+ trafo(print_object->trafo()),
+ status(status) {}
+ PrintObjectStatus(ObjectID id) : id(id), print_object(nullptr), trafo(Transform3d::Identity()), status(Unknown) {}
+
+ // ID of the ModelObject & PrintObject
+ ObjectID id;
+ // Pointer to the old PrintObject
+ PrintObject *print_object;
+ // Trafo generated with model_object->world_matrix(true)
+ Transform3d trafo;
+ Status status;
+
+ // Search by id.
+ bool operator<(const PrintObjectStatus &rhs) const { return id < rhs.id; }
+};
+
+class PrintObjectStatusDB {
+public:
+ using iterator = std::multiset<PrintObjectStatus>::iterator;
+ using const_iterator = std::multiset<PrintObjectStatus>::const_iterator;
+
+ PrintObjectStatusDB(const PrintObjectPtrs &print_objects) {
+ for (PrintObject *print_object : print_objects)
+ m_db.emplace(PrintObjectStatus(print_object));
+ }
+
+ struct iterator_range : std::pair<const_iterator, const_iterator>
+ {
+ using std::pair<const_iterator, const_iterator>::pair;
+ iterator_range(const std::pair<const_iterator, const_iterator> in) : std::pair<const_iterator, const_iterator>(in) {}
+
+ const_iterator begin() throw() { return this->first; }
+ const_iterator end() throw() { return this->second; }
+ };
+
+ iterator_range get_range(const ModelObject &model_object) const {
+ return m_db.equal_range(PrintObjectStatus(model_object.id()));
+ }
+
+ iterator_range get_range(const ModelObjectStatus &model_object_status) const {
+ return m_db.equal_range(PrintObjectStatus(model_object_status.id));
+ }
+
+ size_t count(const ModelObject &model_object) {
+ return m_db.count(PrintObjectStatus(model_object.id()));
+ }
+
+ std::multiset<PrintObjectStatus>::iterator begin() { return m_db.begin(); }
+ std::multiset<PrintObjectStatus>::iterator end() { return m_db.end(); }
+
+ void clear() {
+ m_db.clear();
+ }
+
+private:
+ std::multiset<PrintObjectStatus> m_db;
+};
+
+static inline bool model_volume_solid_or_modifier(const ModelVolume &mv)
+{
+ ModelVolumeType type = mv.type();
+ return type == ModelVolumeType::MODEL_PART || type == ModelVolumeType::NEGATIVE_VOLUME || type == ModelVolumeType::PARAMETER_MODIFIER;
+}
+
+static inline Transform3f trafo_for_bbox(const Transform3d &object_trafo, const Transform3d &volume_trafo)
+{
+ Transform3d m = object_trafo * volume_trafo;
+ m.translation().x() = 0.;
+ m.translation().y() = 0.;
+ return m.cast<float>();
+}
+
+static inline bool trafos_differ_in_rotation_by_z_and_mirroring_by_xy_only(const Transform3d &t1, const Transform3d &t2)
+{
+ if (std::abs(t1.translation().z() - t2.translation().z()) > EPSILON)
+ // One of the object is higher than the other above the build plate (or below the build plate).
+ return false;
+ Matrix3d m1 = t1.matrix().block<3, 3>(0, 0);
+ Matrix3d m2 = t2.matrix().block<3, 3>(0, 0);
+ Matrix3d m = m2.inverse() * m1;
+ Vec3d z = m.block<3, 1>(0, 2);
+ if (std::abs(z.x()) > EPSILON || std::abs(z.y()) > EPSILON || std::abs(z.z() - 1.) > EPSILON)
+ // Z direction or length changed.
+ return false;
+ // Z still points in the same direction and it has the same length.
+ Vec3d x = m.block<3, 1>(0, 0);
+ Vec3d y = m.block<3, 1>(0, 1);
+ if (std::abs(x.z()) > EPSILON || std::abs(y.z()) > EPSILON)
+ return false;
+ double lx2 = x.squaredNorm();
+ double ly2 = y.squaredNorm();
+ if (lx2 - 1. > EPSILON * EPSILON || ly2 - 1. > EPSILON * EPSILON)
+ return false;
+ // Verify whether the vectors x, y are still perpendicular.
+ double d = x.dot(y);
+ return std::abs(d * d) < EPSILON * lx2 * ly2;
+}
+
+static PrintObjectRegions::BoundingBox transformed_its_bbox2d(const indexed_triangle_set &its, const Transform3f &m, float offset)
+{
+ assert(! its.indices.empty());
+
+ PrintObjectRegions::BoundingBox bbox(m * its.vertices[its.indices.front()(0)]);
+ for (const stl_triangle_vertex_indices &tri : its.indices)
+ for (int i = 0; i < 3; ++ i)
+ bbox.extend(m * its.vertices[tri(i)]);
+ bbox.min() -= Vec3f(offset, offset, float(EPSILON));
+ bbox.max() += Vec3f(offset, offset, float(EPSILON));
+ return bbox;
+}
+
+static void transformed_its_bboxes_in_z_ranges(
+ const indexed_triangle_set &its,
+ const Transform3f &m,
+ const std::vector<t_layer_height_range> &z_ranges,
+ std::vector<std::pair<PrintObjectRegions::BoundingBox, bool>> &bboxes,
+ const float offset)
+{
+ bboxes.assign(z_ranges.size(), std::make_pair(PrintObjectRegions::BoundingBox(), false));
+ for (const stl_triangle_vertex_indices &tri : its.indices) {
+ const Vec3f pts[3] = { m * its.vertices[tri(0)], m * its.vertices[tri(1)], m * its.vertices[tri(2)] };
+ for (size_t irange = 0; irange < z_ranges.size(); ++ irange) {
+ const t_layer_height_range &z_range = z_ranges[irange];
+ std::pair<PrintObjectRegions::BoundingBox, bool> &bbox = bboxes[irange];
+ auto bbox_extend = [&bbox](const Vec3f& p) {
+ if (bbox.second) {
+ bbox.first.extend(p);
+ } else {
+ bbox.first.min() = bbox.first.max() = p;
+ bbox.second = true;
+ }
+ };
+ int iprev = 2;
+ for (int iedge = 0; iedge < 3; ++ iedge) {
+ const Vec3f *p1 = &pts[iprev];
+ const Vec3f *p2 = &pts[iedge];
+ // Sort the edge points by Z.
+ if (p1->z() > p2->z())
+ std::swap(p1, p2);
+ if (p2->z() <= z_range.first || p1->z() >= z_range.second) {
+ // Out of this slab.
+ } else if (p1->z() < z_range.first) {
+ if (p1->z() > z_range.second) {
+ // Two intersections.
+ float zspan = p2->z() - p1->z();
+ float t1 = (z_range.first - p1->z()) / zspan;
+ float t2 = (z_range.second - p1->z()) / zspan;
+ Vec2f p = to_2d(*p1);
+ Vec2f v(p2->x() - p1->x(), p2->y() - p1->y());
+ bbox_extend(to_3d((p + v * t1).eval(), float(z_range.first)));
+ bbox_extend(to_3d((p + v * t2).eval(), float(z_range.second)));
+ } else {
+ // Single intersection with the lower limit.
+ float t = (z_range.first - p1->z()) / (p2->z() - p1->z());
+ Vec2f v(p2->x() - p1->x(), p2->y() - p1->y());
+ bbox_extend(to_3d((to_2d(*p1) + v * t).eval(), float(z_range.first)));
+ bbox_extend(*p2);
+ }
+ } else if (p2->z() > z_range.second) {
+ // Single intersection with the upper limit.
+ float t = (z_range.second - p1->z()) / (p2->z() - p1->z());
+ Vec2f v(p2->x() - p1->x(), p2->y() - p1->y());
+ bbox_extend(to_3d((to_2d(*p1) + v * t).eval(), float(z_range.second)));
+ bbox_extend(*p1);
+ } else {
+ // Both points are inside.
+ bbox_extend(*p1);
+ bbox_extend(*p2);
+ }
+ iprev = iedge;
+ }
+ }
+ }
+
+ for (std::pair<PrintObjectRegions::BoundingBox, bool> &bbox : bboxes) {
+ bbox.first.min() -= Vec3f(offset, offset, float(EPSILON));
+ bbox.first.max() += Vec3f(offset, offset, float(EPSILON));
+ }
+}
+
+// Last PrintObject for this print_object_regions has been fully invalidated (deleted).
+// Keep print_object_regions, but delete those volumes, which were either removed from new_volumes, or which rotated or scaled, so they need
+// their bounding boxes to be recalculated.
+void print_objects_regions_invalidate_keep_some_volumes(PrintObjectRegions &print_object_regions, ModelVolumePtrs old_volumes, ModelVolumePtrs new_volumes)
+{
+ print_object_regions.all_regions.clear();
+
+ model_volumes_sort_by_id(old_volumes);
+ model_volumes_sort_by_id(new_volumes);
+
+ size_t i_cached_volume = 0;
+ size_t last_cached_volume = 0;
+ size_t i_old = 0;
+ for (size_t i_new = 0; i_new < new_volumes.size(); ++ i_new)
+ if (model_volume_solid_or_modifier(*new_volumes[i_new])) {
+ for (; i_old < old_volumes.size(); ++ i_old)
+ if (old_volumes[i_old]->id() >= new_volumes[i_new]->id())
+ break;
+ if (i_old != old_volumes.size() && old_volumes[i_old]->id() == new_volumes[i_new]->id()) {
+ if (old_volumes[i_old]->get_matrix().isApprox(new_volumes[i_new]->get_matrix())) {
+ // Reuse the volume.
+ for (; print_object_regions.cached_volume_ids[i_cached_volume] < old_volumes[i_old]->id(); ++ i_cached_volume)
+ assert(i_cached_volume < print_object_regions.cached_volume_ids.size());
+ assert(i_cached_volume < print_object_regions.cached_volume_ids.size() && print_object_regions.cached_volume_ids[i_cached_volume] == old_volumes[i_old]->id());
+ print_object_regions.cached_volume_ids[last_cached_volume ++] = print_object_regions.cached_volume_ids[i_cached_volume ++];
+ } else {
+ // Don't reuse the volume.
+ }
+ }
+ }
+ print_object_regions.cached_volume_ids.erase(print_object_regions.cached_volume_ids.begin() + last_cached_volume, print_object_regions.cached_volume_ids.end());
+}
+
+// Find a bounding box of a volume's part intersecting layer_range. Such a bounding box will likely be smaller in XY than the full bounding box,
+// thus it will intersect with lower number of other volumes.
+const PrintObjectRegions::BoundingBox* find_volume_extents(const PrintObjectRegions::LayerRangeRegions &layer_range, const ModelVolume &volume)
+{
+ auto it = lower_bound_by_predicate(layer_range.volumes.begin(), layer_range.volumes.end(), [&volume](const PrintObjectRegions::VolumeExtents &l){ return l.volume_id < volume.id(); });
+ return it != layer_range.volumes.end() && it->volume_id == volume.id() ? &it->bbox : nullptr;
+}
+
+// Find a bounding box of a topmost printable volume referenced by this modifier given this_region_id.
+PrintObjectRegions::BoundingBox find_modifier_volume_extents(const PrintObjectRegions::LayerRangeRegions &layer_range, const int this_region_id)
+{
+ // Find the top-most printable volume of this modifier, or the printable volume itself.
+ const PrintObjectRegions::VolumeRegion &this_region = layer_range.volume_regions[this_region_id];
+ const PrintObjectRegions::BoundingBox *this_extents = find_volume_extents(layer_range, *this_region.model_volume);
+ assert(this_extents);
+ PrintObjectRegions::BoundingBox out { *this_extents };
+ if (! this_region.model_volume->is_model_part())
+ for (int parent_region_id = this_region.parent;;) {
+ assert(parent_region_id >= 0);
+ const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
+ const PrintObjectRegions::BoundingBox *parent_extents = find_volume_extents(layer_range, *parent_region.model_volume);
+ assert(parent_extents);
+ out.extend(*parent_extents);
+ if (parent_region.model_volume->is_model_part())
+ break;
+ parent_region_id = parent_region.parent;
+ }
+ return out;
+}
+
+PrintRegionConfig region_config_from_model_volume(const PrintRegionConfig &default_or_parent_region_config, const DynamicPrintConfig *layer_range_config, const ModelVolume &volume, size_t num_extruders);
+
+void print_region_ref_inc(PrintRegion &r) { ++ r.m_ref_cnt; }
+void print_region_ref_reset(PrintRegion &r) { r.m_ref_cnt = 0; }
+int print_region_ref_cnt(const PrintRegion &r) { return r.m_ref_cnt; }
+
+// Verify whether the PrintRegions of a PrintObject are still valid, possibly after updating the region configs.
+// Before region configs are updated, callback_invalidate() is called to possibly stop background processing.
+// Returns false if this object needs to be resliced because regions were merged or split.
+bool verify_update_print_object_regions(
+ ModelVolumePtrs model_volumes,
+ const PrintRegionConfig &default_region_config,
+ size_t num_extruders,
+ const std::vector<unsigned int> &painting_extruders,
+ PrintObjectRegions &print_object_regions,
+ const std::function<void(const PrintRegionConfig&, const PrintRegionConfig&, const t_config_option_keys&)> &callback_invalidate)
+{
+ // Sort by ModelVolume ID.
+ model_volumes_sort_by_id(model_volumes);
+
+ for (std::unique_ptr<PrintRegion> &region : print_object_regions.all_regions)
+ print_region_ref_reset(*region);
+
+ // Verify and / or update PrintRegions produced by ModelVolumes, layer range modifiers, modifier volumes.
+ for (PrintObjectRegions::LayerRangeRegions &layer_range : print_object_regions.layer_ranges) {
+ // Each modifier ModelVolume intersecting this layer_range shall be referenced here at least once if it intersects some
+ // printable ModelVolume at this layer_range even if it does not modify its overlapping printable ModelVolume configuration yet.
+ // VolumeRegions reference ModelVolumes in layer_range.volume_regions the order they are stored in ModelObject volumes.
+ // Remember whether a given modifier ModelVolume was visited already.
+ auto it_model_volume_modifier_last = model_volumes.end();
+ for (PrintObjectRegions::VolumeRegion &region : layer_range.volume_regions)
+ if (region.model_volume->is_model_part() || region.model_volume->is_modifier()) {
+ auto it_model_volume = lower_bound_by_predicate(model_volumes.begin(), model_volumes.end(), [&region](const ModelVolume *l){ return l->id() < region.model_volume->id(); });
+ assert(it_model_volume != model_volumes.end() && (*it_model_volume)->id() == region.model_volume->id());
+ if (region.model_volume->is_modifier() && it_model_volume != it_model_volume_modifier_last) {
+ // A modifier ModelVolume is visited for the first time.
+ // A visited modifier may not have had parent volume_regions created overlapping with some model parts or modifiers,
+ // if the visited modifier did not modify their properties. Now the visited modifier's configuration may have changed,
+ // which may require new regions to be created.
+ it_model_volume_modifier_last = it_model_volume;
+ int next_region_id = int(&region - layer_range.volume_regions.data());
+ const PrintObjectRegions::BoundingBox *bbox = find_volume_extents(layer_range, *region.model_volume);
+ assert(bbox);
+ for (int parent_region_id = next_region_id - 1; parent_region_id >= 0; -- parent_region_id) {
+ const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
+ assert(parent_region.model_volume != region.model_volume);
+ if (parent_region.model_volume->is_model_part() || parent_region.model_volume->is_modifier()) {
+ // volume_regions are produced in decreasing order of parent volume_regions ids.
+ // Some regions may not have been generated the last time by generate_print_object_regions().
+ assert(next_region_id == int(layer_range.volume_regions.size()) ||
+ layer_range.volume_regions[next_region_id].model_volume != region.model_volume ||
+ layer_range.volume_regions[next_region_id].parent <= parent_region_id);
+ if (next_region_id < int(layer_range.volume_regions.size()) &&
+ layer_range.volume_regions[next_region_id].model_volume == region.model_volume &&
+ layer_range.volume_regions[next_region_id].parent == parent_region_id) {
+ // A parent region is already overridden.
+ ++ next_region_id;
+ } else if (PrintObjectRegions::BoundingBox parent_bbox = find_modifier_volume_extents(layer_range, parent_region_id); parent_bbox.intersects(*bbox))
+ // Such parent region does not exist. If it is needed, then we need to reslice.
+ // Only create new region for a modifier, which actually modifies config of it's parent.
+ if (PrintRegionConfig config = region_config_from_model_volume(parent_region.region->config(), nullptr, **it_model_volume, num_extruders);
+ config != parent_region.region->config())
+ // This modifier newly overrides a region, which it did not before. We need to reslice.
+ return false;
+ }
+ }
+ }
+ PrintRegionConfig cfg = region.parent == -1 ?
+ region_config_from_model_volume(default_region_config, layer_range.config, **it_model_volume, num_extruders) :
+ region_config_from_model_volume(layer_range.volume_regions[region.parent].region->config(), nullptr, **it_model_volume, num_extruders);
+ if (cfg != region.region->config()) {
+ // Region configuration changed.
+ if (print_region_ref_cnt(*region.region) == 0) {
+ // Region is referenced for the first time. Just change its parameters.
+ // Stop the background process before assigning new configuration to the regions.
+ t_config_option_keys diff = region.region->config().diff(cfg);
+ callback_invalidate(region.region->config(), cfg, diff);
+ region.region->config_apply_only(cfg, diff, false);
+ } else {
+ // Region is referenced multiple times, thus the region is being split. We need to reslice.
+ return false;
+ }
+ }
+ print_region_ref_inc(*region.region);
+ }
+ }
+
+ // Verify and / or update PrintRegions produced by color painting.
+ for (const PrintObjectRegions::LayerRangeRegions &layer_range : print_object_regions.layer_ranges)
+ for (const PrintObjectRegions::PaintedRegion &region : layer_range.painted_regions) {
+ const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[region.parent];
+ PrintRegionConfig cfg = parent_region.region->config();
+ cfg.perimeter_extruder.value = region.extruder_id;
+ cfg.solid_infill_extruder.value = region.extruder_id;
+ cfg.infill_extruder.value = region.extruder_id;
+ if (cfg != region.region->config()) {
+ // Region configuration changed.
+ if (print_region_ref_cnt(*region.region) == 0) {
+ // Region is referenced for the first time. Just change its parameters.
+ // Stop the background process before assigning new configuration to the regions.
+ t_config_option_keys diff = region.region->config().diff(cfg);
+ callback_invalidate(region.region->config(), cfg, diff);
+ region.region->config_apply_only(cfg, diff, false);
+ } else {
+ // Region is referenced multiple times, thus the region is being split. We need to reslice.
+ return false;
+ }
+ }
+ print_region_ref_inc(*region.region);
+ }
+
+ // Lastly verify, whether some regions were not merged.
+ {
+ std::vector<const PrintRegion*> regions;
+ regions.reserve(print_object_regions.all_regions.size());
+ for (std::unique_ptr<PrintRegion> &region : print_object_regions.all_regions) {
+ assert(print_region_ref_cnt(*region) > 0);
+ regions.emplace_back(&(*region.get()));
+ }
+ std::sort(regions.begin(), regions.end(), [](const PrintRegion *l, const PrintRegion *r){ return l->config_hash() < r->config_hash(); });
+ for (size_t i = 0; i < regions.size(); ++ i) {
+ size_t hash = regions[i]->config_hash();
+ size_t j = i;
+ for (++ j; j < regions.size() && regions[j]->config_hash() == hash; ++ j)
+ if (regions[i]->config() == regions[j]->config()) {
+ // Regions were merged. We need to reslice.
+ return false;
+ }
+ }
+ }
+
+ return true;
+}
+
+// Update caches of volume bounding boxes.
+void update_volume_bboxes(
+ std::vector<PrintObjectRegions::LayerRangeRegions> &layer_ranges,
+ std::vector<ObjectID> &cached_volume_ids,
+ ModelVolumePtrs model_volumes,
+ const Transform3d &object_trafo,
+ const float offset)
+{
+ // output will be sorted by the order of model_volumes sorted by their ObjectIDs.
+ model_volumes_sort_by_id(model_volumes);
+
+ if (layer_ranges.size() == 1) {
+ PrintObjectRegions::LayerRangeRegions &layer_range = layer_ranges.front();
+ std::vector<PrintObjectRegions::VolumeExtents> volumes_old(std::move(layer_range.volumes));
+ layer_range.volumes.reserve(model_volumes.size());
+ for (const ModelVolume *model_volume : model_volumes)
+ if (model_volume_solid_or_modifier(*model_volume)) {
+ if (std::binary_search(cached_volume_ids.begin(), cached_volume_ids.end(), model_volume->id())) {
+ auto it = lower_bound_by_predicate(volumes_old.begin(), volumes_old.end(), [model_volume](PrintObjectRegions::VolumeExtents &l) { return l.volume_id < model_volume->id(); });
+ if (it != volumes_old.end() && it->volume_id == model_volume->id())
+ layer_range.volumes.emplace_back(*it);
+ } else
+#if ENABLE_WORLD_COORDINATE
+ layer_range.volumes.push_back({ model_volume->id(),
+ transformed_its_bbox2d(model_volume->mesh().its, trafo_for_bbox(object_trafo, model_volume->get_matrix()), offset) });
+#else
+ layer_range.volumes.push_back({ model_volume->id(),
+ transformed_its_bbox2d(model_volume->mesh().its, trafo_for_bbox(object_trafo, model_volume->get_matrix(false)), offset) });
+#endif // ENABLE_WORLD_COORDINATE
+ }
+ } else {
+ std::vector<std::vector<PrintObjectRegions::VolumeExtents>> volumes_old;
+ if (cached_volume_ids.empty())
+ for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges)
+ layer_range.volumes.clear();
+ else {
+ volumes_old.reserve(layer_ranges.size());
+ for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges)
+ volumes_old.emplace_back(std::move(layer_range.volumes));
+ }
+
+ std::vector<std::pair<PrintObjectRegions::BoundingBox, bool>> bboxes;
+ std::vector<t_layer_height_range> ranges;
+ ranges.reserve(layer_ranges.size());
+ for (const PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges) {
+ t_layer_height_range r = layer_range.layer_height_range;
+ r.first -= EPSILON;
+ r.second += EPSILON;
+ ranges.emplace_back(r);
+ }
+ for (const ModelVolume *model_volume : model_volumes)
+ if (model_volume_solid_or_modifier(*model_volume)) {
+ if (std::binary_search(cached_volume_ids.begin(), cached_volume_ids.end(), model_volume->id())) {
+ for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges) {
+ const auto &vold = volumes_old[&layer_range - layer_ranges.data()];
+ auto it = lower_bound_by_predicate(vold.begin(), vold.end(), [model_volume](const PrintObjectRegions::VolumeExtents &l) { return l.volume_id < model_volume->id(); });
+ if (it != vold.end() && it->volume_id == model_volume->id())
+ layer_range.volumes.emplace_back(*it);
+ }
+ } else {
+#if ENABLE_WORLD_COORDINATE
+ transformed_its_bboxes_in_z_ranges(model_volume->mesh().its, trafo_for_bbox(object_trafo, model_volume->get_matrix()), ranges, bboxes, offset);
+#else
+ transformed_its_bboxes_in_z_ranges(model_volume->mesh().its, trafo_for_bbox(object_trafo, model_volume->get_matrix(false)), ranges, bboxes, offset);
+#endif // ENABLE_WORLD_COORDINATE
+ for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges)
+ if (auto &bbox = bboxes[&layer_range - layer_ranges.data()]; bbox.second)
+ layer_range.volumes.push_back({ model_volume->id(), bbox.first });
+ }
+ }
+ }
+
+ cached_volume_ids.clear();
+ cached_volume_ids.reserve(model_volumes.size());
+ for (const ModelVolume *v : model_volumes)
+ if (model_volume_solid_or_modifier(*v))
+ cached_volume_ids.emplace_back(v->id());
+}
+
+// Either a fresh PrintObject, or PrintObject regions were invalidated (merged, split).
+// Generate PrintRegions from scratch.
+static PrintObjectRegions* generate_print_object_regions(
+ PrintObjectRegions *print_object_regions_old,
+ const ModelVolumePtrs &model_volumes,
+ const LayerRanges &model_layer_ranges,
+ const PrintRegionConfig &default_region_config,
+ const Transform3d &trafo,
+ size_t num_extruders,
+ const float xy_size_compensation,
+ const std::vector<unsigned int> &painting_extruders)
+{
+ // Reuse the old object or generate a new one.
+ auto out = print_object_regions_old ? std::unique_ptr<PrintObjectRegions>(print_object_regions_old) : std::make_unique<PrintObjectRegions>();
+ auto &all_regions = out->all_regions;
+ auto &layer_ranges_regions = out->layer_ranges;
+
+ all_regions.clear();
+
+ bool reuse_old = print_object_regions_old && !print_object_regions_old->layer_ranges.empty();
+
+ if (reuse_old) {
+ // Reuse old bounding boxes of some ModelVolumes and their ranges.
+ // Verify that the old ranges match the new ranges.
+ assert(model_layer_ranges.size() == layer_ranges_regions.size());
+ for (const auto &range : model_layer_ranges) {
+ PrintObjectRegions::LayerRangeRegions &r = layer_ranges_regions[&range - &*model_layer_ranges.begin()];
+ assert(range.layer_height_range == r.layer_height_range);
+ // If model::assign_copy() is called, layer_ranges_regions is copied thus the pointers to configs are lost.
+ r.config = range.config;
+ r.volume_regions.clear();
+ r.painted_regions.clear();
+ }
+ } else {
+ out->trafo_bboxes = trafo;
+ layer_ranges_regions.reserve(model_layer_ranges.size());
+ for (const auto &range : model_layer_ranges)
+ layer_ranges_regions.push_back({ range.layer_height_range, range.config });
+ }
+
+ const bool is_mm_painted = num_extruders > 1 && std::any_of(model_volumes.cbegin(), model_volumes.cend(), [](const ModelVolume *mv) { return mv->is_mm_painted(); });
+ update_volume_bboxes(layer_ranges_regions, out->cached_volume_ids, model_volumes, out->trafo_bboxes, is_mm_painted ? 0.f : std::max(0.f, xy_size_compensation));
+
+ std::vector<PrintRegion*> region_set;
+ auto get_create_region = [&region_set, &all_regions](PrintRegionConfig &&config) -> PrintRegion* {
+ size_t hash = config.hash();
+ auto it = Slic3r::lower_bound_by_predicate(region_set.begin(), region_set.end(), [&config, hash](const PrintRegion* l) {
+ return l->config_hash() < hash || (l->config_hash() == hash && l->config() < config); });
+ if (it != region_set.end() && (*it)->config_hash() == hash && (*it)->config() == config)
+ return *it;
+ // Insert into a sorted array, it has O(n) complexity, but the calling algorithm has an O(n^2*log(n)) complexity anyways.
+ all_regions.emplace_back(std::make_unique<PrintRegion>(std::move(config), hash, int(all_regions.size())));
+ PrintRegion *region = all_regions.back().get();
+ region_set.emplace(it, region);
+ return region;
+ };
+
+ // Chain the regions in the order they are stored in the volumes list.
+ for (int volume_id = 0; volume_id < int(model_volumes.size()); ++ volume_id) {
+ const ModelVolume &volume = *model_volumes[volume_id];
+ if (model_volume_solid_or_modifier(volume)) {
+ for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges_regions)
+ if (const PrintObjectRegions::BoundingBox *bbox = find_volume_extents(layer_range, volume); bbox) {
+ if (volume.is_model_part()) {
+ // Add a model volume, assign an existing region or generate a new one.
+ layer_range.volume_regions.push_back({
+ &volume, -1,
+ get_create_region(region_config_from_model_volume(default_region_config, layer_range.config, volume, num_extruders)),
+ bbox
+ });
+ } else if (volume.is_negative_volume()) {
+ // Add a negative (subtractor) volume. Such volume has neither region nor parent volume assigned.
+ layer_range.volume_regions.push_back({ &volume, -1, nullptr, bbox });
+ } else {
+ assert(volume.is_modifier());
+ // Modifiers may be chained one over the other. Check for overlap, merge DynamicPrintConfigs.
+ bool added = false;
+ int parent_model_part_id = -1;
+ for (int parent_region_id = int(layer_range.volume_regions.size()) - 1; parent_region_id >= 0; -- parent_region_id) {
+ const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
+ const ModelVolume &parent_volume = *parent_region.model_volume;
+ if (parent_volume.is_model_part() || parent_volume.is_modifier())
+ if (PrintObjectRegions::BoundingBox parent_bbox = find_modifier_volume_extents(layer_range, parent_region_id); parent_bbox.intersects(*bbox)) {
+ // Only create new region for a modifier, which actually modifies config of it's parent.
+ if (PrintRegionConfig config = region_config_from_model_volume(parent_region.region->config(), nullptr, volume, num_extruders);
+ config != parent_region.region->config()) {
+ added = true;
+ layer_range.volume_regions.push_back({ &volume, parent_region_id, get_create_region(std::move(config)), bbox });
+ } else if (parent_model_part_id == -1 && parent_volume.is_model_part())
+ parent_model_part_id = parent_region_id;
+ }
+ }
+ if (! added && parent_model_part_id >= 0)
+ // This modifier does not override any printable volume's configuration, however it may in the future.
+ // Store it so that verify_update_print_object_regions() will handle this modifier correctly if its configuration changes.
+ layer_range.volume_regions.push_back({ &volume, parent_model_part_id, layer_range.volume_regions[parent_model_part_id].region, bbox });
+ }
+ }
+ }
+ }
+
+ // Finally add painting regions.
+ for (PrintObjectRegions::LayerRangeRegions &layer_range : layer_ranges_regions) {
+ for (unsigned int painted_extruder_id : painting_extruders)
+ for (int parent_region_id = 0; parent_region_id < int(layer_range.volume_regions.size()); ++ parent_region_id)
+ if (const PrintObjectRegions::VolumeRegion &parent_region = layer_range.volume_regions[parent_region_id];
+ parent_region.model_volume->is_model_part() || parent_region.model_volume->is_modifier()) {
+ PrintRegionConfig cfg = parent_region.region->config();
+ cfg.perimeter_extruder.value = painted_extruder_id;
+ cfg.solid_infill_extruder.value = painted_extruder_id;
+ cfg.infill_extruder.value = painted_extruder_id;
+ layer_range.painted_regions.push_back({ painted_extruder_id, parent_region_id, get_create_region(std::move(cfg))});
+ }
+ // Sort the regions by parent region::print_object_region_id() and extruder_id to help the slicing algorithm when applying MMU segmentation.
+ std::sort(layer_range.painted_regions.begin(), layer_range.painted_regions.end(), [&layer_range](auto &l, auto &r) {
+ int lid = layer_range.volume_regions[l.parent].region->print_object_region_id();
+ int rid = layer_range.volume_regions[r.parent].region->print_object_region_id();
+ return lid < rid || (lid == rid && l.extruder_id < r.extruder_id); });
+ }
+
+ return out.release();
+}
+
+Print::ApplyStatus Print::apply(const Model &model, DynamicPrintConfig new_full_config)
+{
+#ifdef _DEBUG
+ check_model_ids_validity(model);
+#endif /* _DEBUG */
+
+ // Normalize the config.
+ new_full_config.option("print_settings_id", true);
+ new_full_config.option("filament_settings_id", true);
+ new_full_config.option("printer_settings_id", true);
+ new_full_config.option("physical_printer_settings_id", true);
+ new_full_config.normalize_fdm();
+
+ // Find modified keys of the various configs. Resolve overrides extruder retract values by filament profiles.
+ DynamicPrintConfig filament_overrides;
+ t_config_option_keys print_diff = print_config_diffs(m_config, new_full_config, filament_overrides);
+ t_config_option_keys full_config_diff = full_print_config_diffs(m_full_print_config, new_full_config);
+ // Collect changes to object and region configs.
+ t_config_option_keys object_diff = m_default_object_config.diff(new_full_config);
+ t_config_option_keys region_diff = m_default_region_config.diff(new_full_config);
+
+ // Do not use the ApplyStatus as we will use the max function when updating apply_status.
+ unsigned int apply_status = APPLY_STATUS_UNCHANGED;
+ auto update_apply_status = [&apply_status](bool invalidated)
+ { apply_status = std::max<unsigned int>(apply_status, invalidated ? APPLY_STATUS_INVALIDATED : APPLY_STATUS_CHANGED); };
+ if (! (print_diff.empty() && object_diff.empty() && region_diff.empty()))
+ update_apply_status(false);
+
+ // Grab the lock for the Print / PrintObject milestones.
+ std::scoped_lock<std::mutex> lock(this->state_mutex());
+
+ // The following call may stop the background processing.
+ if (! print_diff.empty())
+ update_apply_status(this->invalidate_state_by_config_options(new_full_config, print_diff));
+
+ // Apply variables to placeholder parser. The placeholder parser is used by G-code export,
+ // which should be stopped if print_diff is not empty.
+ size_t num_extruders = m_config.nozzle_diameter.size();
+ bool num_extruders_changed = false;
+ if (! full_config_diff.empty()) {
+ update_apply_status(this->invalidate_step(psGCodeExport));
+ m_placeholder_parser.clear_config();
+ // Set the profile aliases for the PrintBase::output_filename()
+ m_placeholder_parser.set("print_preset", new_full_config.option("print_settings_id")->clone());
+ m_placeholder_parser.set("filament_preset", new_full_config.option("filament_settings_id")->clone());
+ m_placeholder_parser.set("printer_preset", new_full_config.option("printer_settings_id")->clone());
+ m_placeholder_parser.set("physical_printer_preset", new_full_config.option("physical_printer_settings_id")->clone());
+ // We want the filament overrides to be applied over their respective extruder parameters by the PlaceholderParser.
+ // see "Placeholders do not respect filament overrides." GH issue #3649
+ m_placeholder_parser.apply_config(filament_overrides);
+ // It is also safe to change m_config now after this->invalidate_state_by_config_options() call.
+ m_config.apply_only(new_full_config, print_diff, true);
+ //FIXME use move semantics once ConfigBase supports it.
+ // Some filament_overrides may contain values different from new_full_config, but equal to m_config.
+ // As long as these config options don't reallocate memory when copying, we are safe overriding a value, which is in use by a worker thread.
+ m_config.apply(filament_overrides);
+ // Handle changes to object config defaults
+ m_default_object_config.apply_only(new_full_config, object_diff, true);
+ // Handle changes to regions config defaults
+ m_default_region_config.apply_only(new_full_config, region_diff, true);
+ m_full_print_config = std::move(new_full_config);
+ if (num_extruders != m_config.nozzle_diameter.size()) {
+ num_extruders = m_config.nozzle_diameter.size();
+ num_extruders_changed = true;
+ }
+ }
+
+ ModelObjectStatusDB model_object_status_db;
+
+ // 1) Synchronize model objects.
+ bool print_regions_reshuffled = false;
+ if (model.id() != m_model.id()) {
+ // Kill everything, initialize from scratch.
+ // Stop background processing.
+ this->call_cancel_callback();
+ update_apply_status(this->invalidate_all_steps());
+ for (PrintObject *object : m_objects) {
+ model_object_status_db.add(*object->model_object(), ModelObjectStatus::Deleted);
+ update_apply_status(object->invalidate_all_steps());
+ delete object;
+ }
+ m_objects.clear();
+ print_regions_reshuffled = true;
+ m_model.assign_copy(model);
+ for (const ModelObject *model_object : m_model.objects)
+ model_object_status_db.add(*model_object, ModelObjectStatus::New);
+ } else {
+ if (m_model.custom_gcode_per_print_z != model.custom_gcode_per_print_z) {
+ update_apply_status(num_extruders_changed ||
+ // Tool change G-codes are applied as color changes for a single extruder printer, no need to invalidate tool ordering.
+ //FIXME The tool ordering may be invalidated unnecessarily if the custom_gcode_per_print_z.mode is not applicable
+ // to the active print / model state, and then it is reset, so it is being applicable, but empty, thus the effect is the same.
+ (num_extruders > 1 && custom_per_printz_gcodes_tool_changes_differ(m_model.custom_gcode_per_print_z.gcodes, model.custom_gcode_per_print_z.gcodes)) ?
+ // The Tool Ordering and the Wipe Tower are no more valid.
+ this->invalidate_steps({ psWipeTower, psGCodeExport }) :
+ // There is no change in Tool Changes stored in custom_gcode_per_print_z, therefore there is no need to update Tool Ordering.
+ this->invalidate_step(psGCodeExport));
+ m_model.custom_gcode_per_print_z = model.custom_gcode_per_print_z;
+ }
+ if (model_object_list_equal(m_model, model)) {
+ // The object list did not change.
+ for (const ModelObject *model_object : m_model.objects)
+ model_object_status_db.add(*model_object, ModelObjectStatus::Old);
+ } else if (model_object_list_extended(m_model, model)) {
+ // Add new objects. Their volumes and configs will be synchronized later.
+ update_apply_status(this->invalidate_step(psGCodeExport));
+ for (const ModelObject *model_object : m_model.objects)
+ model_object_status_db.add(*model_object, ModelObjectStatus::Old);
+ for (size_t i = m_model.objects.size(); i < model.objects.size(); ++ i) {
+ model_object_status_db.add(*model.objects[i], ModelObjectStatus::New);
+ m_model.objects.emplace_back(ModelObject::new_copy(*model.objects[i]));
+ m_model.objects.back()->set_model(&m_model);
+ }
+ } else {
+ // Reorder the objects, add new objects.
+ // First stop background processing before shuffling or deleting the PrintObjects in the object list.
+ this->call_cancel_callback();
+ update_apply_status(this->invalidate_step(psGCodeExport));
+ // Second create a new list of objects.
+ std::vector<ModelObject*> model_objects_old(std::move(m_model.objects));
+ m_model.objects.clear();
+ m_model.objects.reserve(model.objects.size());
+ auto by_id_lower = [](const ModelObject *lhs, const ModelObject *rhs){ return lhs->id() < rhs->id(); };
+ std::sort(model_objects_old.begin(), model_objects_old.end(), by_id_lower);
+ for (const ModelObject *mobj : model.objects) {
+ auto it = std::lower_bound(model_objects_old.begin(), model_objects_old.end(), mobj, by_id_lower);
+ if (it == model_objects_old.end() || (*it)->id() != mobj->id()) {
+ // New ModelObject added.
+ m_model.objects.emplace_back(ModelObject::new_copy(*mobj));
+ m_model.objects.back()->set_model(&m_model);
+ model_object_status_db.add(*mobj, ModelObjectStatus::New);
+ } else {
+ // Existing ModelObject re-added (possibly moved in the list).
+ m_model.objects.emplace_back(*it);
+ model_object_status_db.add(*mobj, ModelObjectStatus::Moved);
+ }
+ }
+ bool deleted_any = false;
+ for (ModelObject *&model_object : model_objects_old)
+ if (model_object_status_db.add_if_new(*model_object, ModelObjectStatus::Deleted))
+ deleted_any = true;
+ else
+ // Do not delete this ModelObject instance.
+ model_object = nullptr;
+ if (deleted_any) {
+ // Delete PrintObjects of the deleted ModelObjects.
+ PrintObjectPtrs print_objects_old = std::move(m_objects);
+ m_objects.clear();
+ m_objects.reserve(print_objects_old.size());
+ for (PrintObject *print_object : print_objects_old) {
+ const ModelObjectStatus &status = model_object_status_db.get(*print_object->model_object());
+ if (status.status == ModelObjectStatus::Deleted) {
+ update_apply_status(print_object->invalidate_all_steps());
+ delete print_object;
+ } else
+ m_objects.emplace_back(print_object);
+ }
+ for (ModelObject *model_object : model_objects_old)
+ delete model_object;
+ print_regions_reshuffled = true;
+ }
+ }
+ }
+
+ // 2) Map print objects including their transformation matrices.
+ PrintObjectStatusDB print_object_status_db(m_objects);
+
+ // 3) Synchronize ModelObjects & PrintObjects.
+ const std::initializer_list<ModelVolumeType> solid_or_modifier_types { ModelVolumeType::MODEL_PART, ModelVolumeType::NEGATIVE_VOLUME, ModelVolumeType::PARAMETER_MODIFIER };
+ for (size_t idx_model_object = 0; idx_model_object < model.objects.size(); ++ idx_model_object) {
+ ModelObject &model_object = *m_model.objects[idx_model_object];
+ ModelObjectStatus &model_object_status = const_cast<ModelObjectStatus&>(model_object_status_db.reuse(model_object));
+ const ModelObject &model_object_new = *model.objects[idx_model_object];
+ if (model_object_status.status == ModelObjectStatus::New)
+ // PrintObject instances will be added in the next loop.
+ continue;
+ // Update the ModelObject instance, possibly invalidate the linked PrintObjects.
+ assert(model_object_status.status == ModelObjectStatus::Old || model_object_status.status == ModelObjectStatus::Moved);
+ // Check whether a model part volume was added or removed, their transformations or order changed.
+ // Only volume IDs, volume types, transformation matrices and their order are checked, configuration and other parameters are NOT checked.
+ bool solid_or_modifier_differ = model_volume_list_changed(model_object, model_object_new, solid_or_modifier_types) ||
+ model_mmu_segmentation_data_changed(model_object, model_object_new) ||
+ (model_object_new.is_mm_painted() && num_extruders_changed);
+ bool supports_differ = model_volume_list_changed(model_object, model_object_new, ModelVolumeType::SUPPORT_BLOCKER) ||
+ model_volume_list_changed(model_object, model_object_new, ModelVolumeType::SUPPORT_ENFORCER);
+ bool layer_height_ranges_differ = ! layer_height_ranges_equal(model_object.layer_config_ranges, model_object_new.layer_config_ranges, model_object_new.layer_height_profile.empty());
+ bool model_origin_translation_differ = model_object.origin_translation != model_object_new.origin_translation;
+ auto print_objects_range = print_object_status_db.get_range(model_object);
+ // The list actually can be empty if all instances are out of the print bed.
+ //assert(print_objects_range.begin() != print_objects_range.end());
+ // All PrintObjects in print_objects_range shall point to the same prints_objects_regions
+ if (print_objects_range.begin() != print_objects_range.end()) {
+ model_object_status.print_object_regions = print_objects_range.begin()->print_object->m_shared_regions;
+ model_object_status.print_object_regions->ref_cnt_inc();
+ }
+ if (solid_or_modifier_differ || model_origin_translation_differ || layer_height_ranges_differ ||
+ ! model_object.layer_height_profile.timestamp_matches(model_object_new.layer_height_profile)) {
+ // The very first step (the slicing step) is invalidated. One may freely remove all associated PrintObjects.
+ model_object_status.print_object_regions_status =
+ model_object_status.print_object_regions == nullptr || model_origin_translation_differ || layer_height_ranges_differ ?
+ // Drop print_objects_regions.
+ ModelObjectStatus::PrintObjectRegionsStatus::Invalid :
+ // Reuse bounding boxes of print_objects_regions for ModelVolumes with unmodified transformation.
+ ModelObjectStatus::PrintObjectRegionsStatus::PartiallyValid;
+ for (const PrintObjectStatus &print_object_status : print_objects_range) {
+ update_apply_status(print_object_status.print_object->invalidate_all_steps());
+ const_cast<PrintObjectStatus&>(print_object_status).status = PrintObjectStatus::Deleted;
+ }
+ if (model_object_status.print_object_regions_status == ModelObjectStatus::PrintObjectRegionsStatus::PartiallyValid)
+ // Drop everything from PrintObjectRegions but those VolumeExtents (of their particular ModelVolumes) that are still valid.
+ print_objects_regions_invalidate_keep_some_volumes(*model_object_status.print_object_regions, model_object.volumes, model_object_new.volumes);
+ else if (model_object_status.print_object_regions != nullptr)
+ model_object_status.print_object_regions->clear();
+ // Copy content of the ModelObject including its ID, do not change the parent.
+ model_object.assign_copy(model_object_new);
+ } else {
+ model_object_status.print_object_regions_status = ModelObjectStatus::PrintObjectRegionsStatus::Valid;
+ if (supports_differ || model_custom_supports_data_changed(model_object, model_object_new)) {
+ // First stop background processing before shuffling or deleting the ModelVolumes in the ModelObject's list.
+ if (supports_differ) {
+ this->call_cancel_callback();
+ update_apply_status(false);
+ }
+ // Invalidate just the supports step.
+ for (const PrintObjectStatus &print_object_status : print_objects_range)
+ update_apply_status(print_object_status.print_object->invalidate_step(posSupportMaterial));
+ if (supports_differ) {
+ // Copy just the support volumes.
+ model_volume_list_update_supports(model_object, model_object_new);
+ }
+ } else if (model_custom_seam_data_changed(model_object, model_object_new)) {
+ update_apply_status(this->invalidate_step(psGCodeExport));
+ }
+ }
+ if (! solid_or_modifier_differ) {
+ // Synchronize Object's config.
+ bool object_config_changed = ! model_object.config.timestamp_matches(model_object_new.config);
+ if (object_config_changed)
+ model_object.config.assign_config(model_object_new.config);
+ if (! object_diff.empty() || object_config_changed || num_extruders_changed) {
+ PrintObjectConfig new_config = PrintObject::object_config_from_model_object(m_default_object_config, model_object, num_extruders);
+ for (const PrintObjectStatus &print_object_status : print_object_status_db.get_range(model_object)) {
+ t_config_option_keys diff = print_object_status.print_object->config().diff(new_config);
+ if (! diff.empty()) {
+ update_apply_status(print_object_status.print_object->invalidate_state_by_config_options(print_object_status.print_object->config(), new_config, diff));
+ print_object_status.print_object->config_apply_only(new_config, diff, true);
+ }
+ }
+ }
+ // Synchronize (just copy) the remaining data of ModelVolumes (name, config, custom supports data).
+ //FIXME What to do with m_material_id?
+ model_volume_list_copy_configs(model_object /* dst */, model_object_new /* src */, ModelVolumeType::MODEL_PART);
+ model_volume_list_copy_configs(model_object /* dst */, model_object_new /* src */, ModelVolumeType::PARAMETER_MODIFIER);
+ layer_height_ranges_copy_configs(model_object.layer_config_ranges /* dst */, model_object_new.layer_config_ranges /* src */);
+ // Copy the ModelObject name, input_file and instances. The instances will be compared against PrintObject instances in the next step.
+ model_object.name = model_object_new.name;
+ model_object.input_file = model_object_new.input_file;
+ // Only refresh ModelInstances if there is any change.
+ if (model_object.instances.size() != model_object_new.instances.size() ||
+ ! std::equal(model_object.instances.begin(), model_object.instances.end(), model_object_new.instances.begin(), [](auto l, auto r){ return l->id() == r->id(); })) {
+ // G-code generator accesses model_object.instances to generate sequential print ordering matching the Plater object list.
+ update_apply_status(this->invalidate_step(psGCodeExport));
+ model_object.clear_instances();
+ model_object.instances.reserve(model_object_new.instances.size());
+ for (const ModelInstance *model_instance : model_object_new.instances) {
+ model_object.instances.emplace_back(new ModelInstance(*model_instance));
+ model_object.instances.back()->set_model_object(&model_object);
+ }
+ } else if (! std::equal(model_object.instances.begin(), model_object.instances.end(), model_object_new.instances.begin(),
+ [](auto l, auto r){ return l->print_volume_state == r->print_volume_state && l->printable == r->printable &&
+ l->get_transformation().get_matrix().isApprox(r->get_transformation().get_matrix()); })) {
+ // If some of the instances changed, the bounding box of the updated ModelObject is likely no more valid.
+ // This is safe as the ModelObject's bounding box is only accessed from this function, which is called from the main thread only.
+ model_object.invalidate_bounding_box();
+ // Synchronize the content of instances.
+ auto new_instance = model_object_new.instances.begin();
+ for (auto old_instance = model_object.instances.begin(); old_instance != model_object.instances.end(); ++ old_instance, ++ new_instance) {
+ (*old_instance)->set_transformation((*new_instance)->get_transformation());
+ (*old_instance)->print_volume_state = (*new_instance)->print_volume_state;
+ (*old_instance)->printable = (*new_instance)->printable;
+ }
+ }
+ }
+ }
+
+ // 4) Generate PrintObjects from ModelObjects and their instances.
+ {
+ PrintObjectPtrs print_objects_new;
+ print_objects_new.reserve(std::max(m_objects.size(), m_model.objects.size()));
+ bool new_objects = false;
+ // Walk over all new model objects and check, whether there are matching PrintObjects.
+ for (ModelObject *model_object : m_model.objects) {
+ ModelObjectStatus &model_object_status = const_cast<ModelObjectStatus&>(model_object_status_db.reuse(*model_object));
+ model_object_status.print_instances = print_objects_from_model_object(*model_object);
+ std::vector<const PrintObjectStatus*> old;
+ old.reserve(print_object_status_db.count(*model_object));
+ for (const PrintObjectStatus &print_object_status : print_object_status_db.get_range(*model_object))
+ if (print_object_status.status != PrintObjectStatus::Deleted)
+ old.emplace_back(&print_object_status);
+ // Generate a list of trafos and XY offsets for instances of a ModelObject
+ // Producing the config for PrintObject on demand, caching it at print_object_last.
+ const PrintObject *print_object_last = nullptr;
+ auto print_object_apply_config = [this, &print_object_last, model_object, num_extruders](PrintObject *print_object) {
+ print_object->config_apply(print_object_last ?
+ print_object_last->config() :
+ PrintObject::object_config_from_model_object(m_default_object_config, *model_object, num_extruders));
+ print_object_last = print_object;
+ };
+ if (old.empty()) {
+ // Simple case, just generate new instances.
+ for (PrintObjectTrafoAndInstances &print_instances : model_object_status.print_instances) {
+ PrintObject *print_object = new PrintObject(this, model_object, print_instances.trafo, std::move(print_instances.instances));
+ print_object_apply_config(print_object);
+ print_objects_new.emplace_back(print_object);
+ // print_object_status.emplace(PrintObjectStatus(print_object, PrintObjectStatus::New));
+ new_objects = true;
+ }
+ continue;
+ }
+ // Complex case, try to merge the two lists.
+ // Sort the old lexicographically by their trafos.
+ std::sort(old.begin(), old.end(), [](const PrintObjectStatus *lhs, const PrintObjectStatus *rhs){ return transform3d_lower(lhs->trafo, rhs->trafo); });
+ // Merge the old / new lists.
+ auto it_old = old.begin();
+ for (PrintObjectTrafoAndInstances &new_instances : model_object_status.print_instances) {
+ for (; it_old != old.end() && transform3d_lower((*it_old)->trafo, new_instances.trafo); ++ it_old);
+ if (it_old == old.end() || ! transform3d_equal((*it_old)->trafo, new_instances.trafo)) {
+ // This is a new instance (or a set of instances with the same trafo). Just add it.
+ PrintObject *print_object = new PrintObject(this, model_object, new_instances.trafo, std::move(new_instances.instances));
+ print_object_apply_config(print_object);
+ print_objects_new.emplace_back(print_object);
+ // print_object_status.emplace(PrintObjectStatus(print_object, PrintObjectStatus::New));
+ new_objects = true;
+ if (it_old != old.end())
+ const_cast<PrintObjectStatus*>(*it_old)->status = PrintObjectStatus::Deleted;
+ } else {
+ // The PrintObject already exists and the copies differ.
+ PrintBase::ApplyStatus status = (*it_old)->print_object->set_instances(std::move(new_instances.instances));
+ if (status != PrintBase::APPLY_STATUS_UNCHANGED)
+ update_apply_status(status == PrintBase::APPLY_STATUS_INVALIDATED);
+ print_objects_new.emplace_back((*it_old)->print_object);
+ const_cast<PrintObjectStatus*>(*it_old)->status = PrintObjectStatus::Reused;
+ }
+ }
+ }
+ if (m_objects != print_objects_new) {
+ this->call_cancel_callback();
+ update_apply_status(this->invalidate_all_steps());
+ m_objects = print_objects_new;
+ // Delete the PrintObjects marked as Unknown or Deleted.
+ bool deleted_objects = false;
+ for (const PrintObjectStatus &pos : print_object_status_db)
+ if (pos.status == PrintObjectStatus::Unknown || pos.status == PrintObjectStatus::Deleted) {
+ update_apply_status(pos.print_object->invalidate_all_steps());
+ delete pos.print_object;
+ deleted_objects = true;
+ }
+ if (new_objects || deleted_objects)
+ update_apply_status(this->invalidate_steps({ psSkirtBrim, psWipeTower, psGCodeExport }));
+ if (new_objects)
+ update_apply_status(false);
+ print_regions_reshuffled = true;
+ }
+ print_object_status_db.clear();
+ }
+
+ // All regions now have distinct settings.
+ // Check whether applying the new region config defaults we would get different regions,
+ // update regions or create regions from scratch.
+ for (auto it_print_object = m_objects.begin(); it_print_object != m_objects.end();) {
+ // Find the range of PrintObjects sharing the same associated ModelObject.
+ auto it_print_object_end = it_print_object;
+ PrintObject &print_object = *(*it_print_object);
+ const ModelObject &model_object = *print_object.model_object();
+ ModelObjectStatus &model_object_status = const_cast<ModelObjectStatus&>(model_object_status_db.reuse(model_object));
+ PrintObjectRegions *print_object_regions = model_object_status.print_object_regions;
+ for (++ it_print_object_end; it_print_object_end != m_objects.end() && (*it_print_object)->model_object() == (*it_print_object_end)->model_object(); ++ it_print_object_end)
+ assert((*it_print_object_end)->m_shared_regions == nullptr || (*it_print_object_end)->m_shared_regions == print_object_regions);
+ if (print_object_regions == nullptr) {
+ print_object_regions = new PrintObjectRegions{};
+ model_object_status.print_object_regions = print_object_regions;
+ print_object_regions->ref_cnt_inc();
+ }
+ std::vector<unsigned int> painting_extruders;
+ if (const auto &volumes = print_object.model_object()->volumes;
+ num_extruders > 1 &&
+ std::find_if(volumes.begin(), volumes.end(), [](const ModelVolume *v) { return ! v->mmu_segmentation_facets.empty(); }) != volumes.end()) {
+ //FIXME be more specific! Don't enumerate extruders that are not used for painting!
+ painting_extruders.assign(num_extruders, 0);
+ std::iota(painting_extruders.begin(), painting_extruders.end(), 1);
+ }
+ if (model_object_status.print_object_regions_status == ModelObjectStatus::PrintObjectRegionsStatus::Valid) {
+ // Verify that the trafo for regions & volume bounding boxes thus for regions is still applicable.
+ auto invalidate = [it_print_object, it_print_object_end, update_apply_status]() {
+ for (auto it = it_print_object; it != it_print_object_end; ++ it)
+ if ((*it)->m_shared_regions != nullptr)
+ update_apply_status((*it)->invalidate_all_steps());
+ };
+ if (print_object_regions && ! trafos_differ_in_rotation_by_z_and_mirroring_by_xy_only(print_object_regions->trafo_bboxes, model_object_status.print_instances.front().trafo)) {
+ invalidate();
+ print_object_regions->clear();
+ model_object_status.print_object_regions_status = ModelObjectStatus::PrintObjectRegionsStatus::Invalid;
+ print_regions_reshuffled = true;
+ } else if (print_object_regions &&
+ verify_update_print_object_regions(
+ print_object.model_object()->volumes,
+ m_default_region_config,
+ num_extruders,
+ painting_extruders,
+ *print_object_regions,
+ [it_print_object, it_print_object_end, &update_apply_status](const PrintRegionConfig &old_config, const PrintRegionConfig &new_config, const t_config_option_keys &diff_keys) {
+ for (auto it = it_print_object; it != it_print_object_end; ++it)
+ if ((*it)->m_shared_regions != nullptr)
+ update_apply_status((*it)->invalidate_state_by_config_options(old_config, new_config, diff_keys));
+ })) {
+ // Regions are valid, just keep them.
+ } else {
+ // Regions were reshuffled.
+ invalidate();
+ // At least reuse layer ranges and bounding boxes of ModelVolumes.
+ model_object_status.print_object_regions_status = ModelObjectStatus::PrintObjectRegionsStatus::PartiallyValid;
+ print_regions_reshuffled = true;
+ }
+ }
+ if (print_object_regions == nullptr || model_object_status.print_object_regions_status != ModelObjectStatus::PrintObjectRegionsStatus::Valid) {
+ // Layer ranges with their associated configurations. Remove overlaps between the ranges
+ // and create the regions from scratch.
+ print_object_regions = generate_print_object_regions(
+ print_object_regions,
+ print_object.model_object()->volumes,
+ LayerRanges(print_object.model_object()->layer_config_ranges),
+ m_default_region_config,
+ model_object_status.print_instances.front().trafo,
+ num_extruders,
+ print_object.is_mm_painted() ? 0.f : float(print_object.config().xy_size_compensation.value),
+ painting_extruders);
+ }
+ for (auto it = it_print_object; it != it_print_object_end; ++it)
+ if ((*it)->m_shared_regions) {
+ assert((*it)->m_shared_regions == print_object_regions);
+ } else {
+ (*it)->m_shared_regions = print_object_regions;
+ print_object_regions->ref_cnt_inc();
+ }
+ it_print_object = it_print_object_end;
+ }
+
+ if (print_regions_reshuffled) {
+ // Update Print::m_print_regions from objects.
+ struct cmp { bool operator() (const PrintRegion *l, const PrintRegion *r) const { return l->config_hash() == r->config_hash() && l->config() == r->config(); } };
+ std::set<const PrintRegion*, cmp> region_set;
+ m_print_regions.clear();
+ PrintObjectRegions *print_object_regions = nullptr;
+ for (PrintObject *print_object : m_objects)
+ if (print_object_regions != print_object->m_shared_regions) {
+ print_object_regions = print_object->m_shared_regions;
+ for (std::unique_ptr<Slic3r::PrintRegion> &print_region : print_object_regions->all_regions)
+ if (auto it = region_set.find(print_region.get()); it == region_set.end()) {
+ int print_region_id = int(m_print_regions.size());
+ m_print_regions.emplace_back(print_region.get());
+ print_region->m_print_region_id = print_region_id;
+ } else {
+ print_region->m_print_region_id = (*it)->print_region_id();
+ }
+ }
+ }
+
+ // Update SlicingParameters for each object where the SlicingParameters is not valid.
+ // If it is not valid, then it is ensured that PrintObject.m_slicing_params is not in use
+ // (posSlicing and posSupportMaterial was invalidated).
+ for (PrintObject *object : m_objects)
+ object->update_slicing_parameters();
+
+#ifdef _DEBUG
+ check_model_ids_equal(m_model, model);
+#endif /* _DEBUG */
+
+ return static_cast<ApplyStatus>(apply_status);
+}
+
+} // namespace Slic3r
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 22:08:22 +0300