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Cut: Initial porting of Cut Gizmo

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enricoturri1966 2023-10-31 23:01:05 +08:00 • committed by Noisyfox
parent ce2836a7f9
commit 18406c31c0
34 changed files with 5638 additions and 1361 deletions
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534
src/libslic3r/Model.cpp
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@ -1,3 +1,16 @@
///|/ Copyright (c) Prusa Research 2016 - 2023 Tomáš Mészáros @tamasmeszaros, Oleksandra Iushchenko @YuSanka, David Kocík @kocikdav, Enrico Turri @enricoturri1966, Lukáš Matěna @lukasmatena, Vojtěch Bubník @bubnikv, Lukáš Hejl @hejllukas, Filip Sykala @Jony01, Vojtěch Král @vojtechkral
///|/ Copyright (c) 2021 Boleslaw Ciesielski
///|/ Copyright (c) 2019 John Drake @foxox
///|/ Copyright (c) 2019 Sijmen Schoon
///|/ Copyright (c) Slic3r 2014 - 2016 Alessandro Ranellucci @alranel
///|/ Copyright (c) 2015 Maksim Derbasov @ntfshard
///|/
///|/ ported from lib/Slic3r/Model.pm:
///|/ Copyright (c) Prusa Research 2016 - 2022 Vojtěch Bubník @bubnikv, Enrico Turri @enricoturri1966
///|/ Copyright (c) Slic3r 2012 - 2016 Alessandro Ranellucci @alranel
///|/
///|/ PrusaSlicer is released under the terms of the AGPLv3 or higher
///|/
#include "Model.hpp"
#include "libslic3r.h"
#include "BuildVolume.hpp"
@ -1693,68 +1706,6 @@ bool ModelObject::has_connectors() const
return false;
}
indexed_triangle_set ModelObject::get_connector_mesh(CutConnectorAttributes connector_attributes)
{
indexed_triangle_set connector_mesh;
int sectorCount {1};
switch (CutConnectorShape(connector_attributes.shape)) {
case CutConnectorShape::Triangle:
sectorCount = 3;
break;
case CutConnectorShape::Square:
sectorCount = 4;
break;
case CutConnectorShape::Circle:
sectorCount = 360;
break;
case CutConnectorShape::Hexagon:
sectorCount = 6;
break;
default:
break;
}
if (connector_attributes.style == CutConnectorStyle::Prizm)
connector_mesh = its_make_cylinder(1.0, 1.0, (2 * PI / sectorCount));
else if (connector_attributes.type == CutConnectorType::Plug)
connector_mesh = its_make_cone(1.0, 1.0, (2 * PI / sectorCount));
else
connector_mesh = its_make_frustum_dowel(1.0, 1.0, sectorCount);
return connector_mesh;
}
void ModelObject::apply_cut_connectors(const std::string &name)
{
if (cut_connectors.empty())
return;
using namespace Geometry;
size_t connector_id = cut_id.connectors_cnt();
for (const CutConnector &connector : cut_connectors) {
TriangleMesh mesh = TriangleMesh(get_connector_mesh(connector.attribs));
// Mesh will be centered when loading.
ModelVolume *new_volume = add_volume(std::move(mesh), ModelVolumeType::NEGATIVE_VOLUME);
Transform3d translate_transform = Transform3d::Identity();
translate_transform.translate(connector.pos);
Transform3d scale_transform = Transform3d::Identity();
scale_transform.scale(Vec3f(connector.radius, connector.radius, connector.height).cast<double>());
// Transform the new modifier to be aligned inside the instance
new_volume->set_transformation(translate_transform * connector.rotation_m * scale_transform);
new_volume->cut_info = {connector.attribs.type, connector.radius, connector.height, connector.radius_tolerance, connector.height_tolerance};
new_volume->name = name + "-" + std::to_string(++connector_id);
}
cut_id.increase_connectors_cnt(cut_connectors.size());
// delete all connectors
cut_connectors.clear();
}
void ModelObject::invalidate_cut()
{
this->cut_id.invalidate();
@ -1770,43 +1721,10 @@ void ModelObject::delete_connectors()
}
}
void ModelObject::synchronize_model_after_cut()
{
for (ModelObject *obj : m_model->objects) {
if (obj == this || obj->cut_id.is_equal(this->cut_id)) continue;
if (obj->is_cut() && obj->cut_id.has_same_id(this->cut_id))
obj->cut_id.copy(this->cut_id);
}
}
void ModelObject::apply_cut_attributes(ModelObjectCutAttributes attributes)
{
// we don't save cut information, if result will not contains all parts of initial object
if (!attributes.has(ModelObjectCutAttribute::KeepUpper) ||
!attributes.has(ModelObjectCutAttribute::KeepLower) ||
attributes.has(ModelObjectCutAttribute::InvalidateCutInfo))
return;
if (cut_id.id().invalid())
cut_id.init();
{
int cut_obj_cnt = -1;
if (attributes.has(ModelObjectCutAttribute::KeepUpper))
cut_obj_cnt++;
if (attributes.has(ModelObjectCutAttribute::KeepLower))
cut_obj_cnt++;
if (attributes.has(ModelObjectCutAttribute::CreateDowels))
cut_obj_cnt++;
if (cut_obj_cnt > 0)
cut_id.increase_check_sum(size_t(cut_obj_cnt));
}
}
void ModelObject::clone_for_cut(ModelObject **obj)
{
(*obj) = ModelObject::new_clone(*this);
(*obj)->set_model(nullptr);
(*obj)->set_model(this->get_model());
(*obj)->sla_support_points.clear();
(*obj)->sla_drain_holes.clear();
(*obj)->sla_points_status = sla::PointsStatus::NoPoints;
@ -1814,189 +1732,11 @@ void ModelObject::clone_for_cut(ModelObject **obj)
(*obj)->input_file.clear();
}
Transform3d ModelObject::calculate_cut_plane_inverse_matrix(const std::array<Vec3d, 4>& plane_points)
void ModelVolume::reset_extra_facets()
{
Vec3d mid_point = {0.0, 0.0, 0.0};
for (auto pt : plane_points)
mid_point += pt;
mid_point /= (double) plane_points.size();
Vec3d movement = -mid_point;
Vec3d v01 = plane_points[1] - plane_points[0];
Vec3d v12 = plane_points[2] - plane_points[1];
Vec3d plane_normal = v01.cross(v12);
plane_normal.normalize();
Vec3d axis = {0.0, 0.0, 0.0};
double phi = 0.0;
Matrix3d matrix;
matrix.setIdentity();
Geometry::rotation_from_two_vectors(plane_normal, {0.0, 0.0, 1.0}, axis, phi, &matrix);
Vec3d angles = Geometry::extract_euler_angles(matrix);
movement = matrix * movement;
Transform3d transfo;
transfo.setIdentity();
transfo.translate(movement);
transfo.rotate(Eigen::AngleAxisd(angles(2), Vec3d::UnitZ()) * Eigen::AngleAxisd(angles(1), Vec3d::UnitY()) * Eigen::AngleAxisd(angles(0), Vec3d::UnitX()));
return transfo;
}
void ModelObject::process_connector_cut(
ModelVolume *volume,
const Transform3d & instance_matrix,
const Transform3d& cut_matrix,
ModelObjectCutAttributes attributes,
ModelObject *upper, ModelObject *lower,
std::vector<ModelObject *> &dowels,
Vec3d &local_dowels_displace)
{
assert(volume->cut_info.is_connector);
volume->cut_info.set_processed();
const auto volume_matrix = volume->get_matrix();
// ! Don't apply instance transformation for the conntectors.
// This transformation is already there
if (volume->cut_info.connector_type != CutConnectorType::Dowel) {
if (attributes.has(ModelObjectCutAttribute::KeepUpper)) {
ModelVolume *vol = upper->add_volume(*volume);
vol->set_transformation(volume_matrix);
vol->apply_tolerance();
}
if (attributes.has(ModelObjectCutAttribute::KeepLower)) {
ModelVolume *vol = lower->add_volume(*volume);
vol->set_transformation(volume_matrix);
// for lower part change type of connector from NEGATIVE_VOLUME to MODEL_PART if this connector is a plug
vol->set_type(ModelVolumeType::MODEL_PART);
}
}
else {
if (attributes.has(ModelObjectCutAttribute::CreateDowels)) {
ModelObject *dowel{nullptr};
// Clone the object to duplicate instances, materials etc.
clone_for_cut(&dowel);
// add one more solid part same as connector if this connector is a dowel
ModelVolume *vol = dowel->add_volume(*volume);
vol->set_type(ModelVolumeType::MODEL_PART);
// But discard rotation and Z-offset for this volume
vol->set_rotation(Vec3d::Zero());
vol->set_offset(Z, 0.0);
// Compute the displacement (in instance coordinates) to be applied to place the dowels
local_dowels_displace = lower->full_raw_mesh_bounding_box().size().cwiseProduct(Vec3d(1.0, 1.0, 0.0));
dowels.push_back(dowel);
}
// Cut the dowel
volume->apply_tolerance();
// Perform cut
TriangleMesh upper_mesh, lower_mesh;
process_volume_cut(volume, Transform3d::Identity(), cut_matrix, attributes, upper_mesh, lower_mesh);
// add small Z offset to better preview
upper_mesh.translate((-0.05 * Vec3d::UnitZ()).cast<float>());
lower_mesh.translate((0.05 * Vec3d::UnitZ()).cast<float>());
// Add cut parts to the related objects
add_cut_volume(upper_mesh, upper, volume, cut_matrix, "_A", volume->type());
add_cut_volume(lower_mesh, lower, volume, cut_matrix, "_B", volume->type());
}
}
void ModelObject::process_modifier_cut(
ModelVolume *volume,
const Transform3d &instance_matrix,
const Transform3d &inverse_cut_matrix,
ModelObjectCutAttributes attributes,
ModelObject *upper,
ModelObject *lower)
{
const auto volume_matrix = instance_matrix * volume->get_matrix();
// Modifiers are not cut, but we still need to add the instance transformation
// to the modifier volume transformation to preserve their shape properly.
volume->set_transformation(Geometry::Transformation(volume_matrix));
if (attributes.has(ModelObjectCutAttribute::CutToParts)) {
upper->add_volume(*volume);
return;
}
// Some logic for the negative volumes/connectors. Add only needed modifiers
auto bb = volume->mesh().transformed_bounding_box(inverse_cut_matrix * volume_matrix);
bool is_crossed_by_cut = bb.min[Z] <= 0 && bb.max[Z] >= 0;
if (attributes.has(ModelObjectCutAttribute::KeepUpper) && (bb.min[Z] >= 0 || is_crossed_by_cut))
upper->add_volume(*volume);
if (attributes.has(ModelObjectCutAttribute::KeepLower) && (bb.max[Z] <= 0 || is_crossed_by_cut))
lower->add_volume(*volume);
}
void ModelObject::process_volume_cut(ModelVolume * volume,
const Transform3d & instance_matrix,
const Transform3d & cut_matrix,
ModelObjectCutAttributes attributes,
TriangleMesh & upper_mesh,
TriangleMesh & lower_mesh)
{
const auto volume_matrix = volume->get_matrix();
using namespace Geometry;
const Geometry::Transformation cut_transformation = Geometry::Transformation(cut_matrix);
const Transform3d invert_cut_matrix = cut_transformation.get_matrix(true, false, true, true).inverse()
* translation_transform(-1 * cut_transformation.get_offset());
// Transform the mesh by the combined transformation matrix.
// Flip the triangles in case the composite transformation is left handed.
TriangleMesh mesh(volume->mesh());
mesh.transform(invert_cut_matrix * instance_matrix * volume_matrix, true);
indexed_triangle_set upper_its, lower_its;
cut_mesh(mesh.its, 0.0f, &upper_its, &lower_its);
if (attributes.has(ModelObjectCutAttribute::KeepUpper))
upper_mesh = TriangleMesh(upper_its);
if (attributes.has(ModelObjectCutAttribute::KeepLower))
lower_mesh = TriangleMesh(lower_its);
}
void ModelObject::process_solid_part_cut(ModelVolume * volume,
const Transform3d & instance_matrix,
const Transform3d & cut_matrix,
const std::array<Vec3d, 4> &plane_points,
ModelObjectCutAttributes attributes,
ModelObject * upper,
ModelObject * lower,
Vec3d & local_displace)
{
// Perform cut
TriangleMesh upper_mesh, lower_mesh;
process_volume_cut(volume, instance_matrix, cut_matrix, attributes, upper_mesh, lower_mesh);
// Add required cut parts to the objects
if (attributes.has(ModelObjectCutAttribute::CutToParts)) {
add_cut_volume(upper_mesh, upper, volume, cut_matrix, "_A");
add_cut_volume(lower_mesh, upper, volume, cut_matrix, "_B");
return;
}
if (attributes.has(ModelObjectCutAttribute::KeepUpper))
add_cut_volume(upper_mesh, upper, volume, cut_matrix);
if (attributes.has(ModelObjectCutAttribute::KeepLower) && !lower_mesh.empty()) {
add_cut_volume(lower_mesh, lower, volume, cut_matrix);
// Compute the displacement (in instance coordinates) to be applied to place the upper parts
// The upper part displacement is set to half of the lower part bounding box
// this is done in hope at least a part of the upper part will always be visible and draggable
local_displace = lower->full_raw_mesh_bounding_box().size().cwiseProduct(Vec3d(-0.5, -0.5, 0.0));
}
this->supported_facets.reset();
this->seam_facets.reset();
this->mmu_segmentation_facets.reset();
}
static void invalidate_translations(ModelObject* object, const ModelInstance* src_instance)
@ -2073,215 +1813,6 @@ static void reset_instance_transformation(ModelObject* object, size_t src_instan
}
}
// BBS: replace z with plane_points
ModelObjectPtrs ModelObject::cut(size_t instance, std::array<Vec3d, 4> plane_points, ModelObjectCutAttributes attributes)
{
if (! attributes.has(ModelObjectCutAttribute::KeepUpper) && ! attributes.has(ModelObjectCutAttribute::KeepLower))
return {};
BOOST_LOG_TRIVIAL(trace) << "ModelObject::cut - start";
// apply cut attributes for object
apply_cut_attributes(attributes);
ModelObject* upper{ nullptr };
if (attributes.has(ModelObjectCutAttribute::KeepUpper))
clone_for_cut(&upper);
ModelObject* lower{ nullptr };
if (attributes.has(ModelObjectCutAttribute::KeepLower) && !attributes.has(ModelObjectCutAttribute::CutToParts))
clone_for_cut(&lower);
// Because transformations are going to be applied to meshes directly,
// we reset transformation of all instances and volumes,
// except for translation and Z-rotation on instances, which are preserved
// in the transformation matrix and not applied to the mesh transform.
// const auto instance_matrix = instances[instance]->get_matrix(true);
const auto instance_matrix = Geometry::assemble_transform(
Vec3d::Zero(), // don't apply offset
instances[instance]->get_rotation().cwiseProduct(Vec3d(1.0, 1.0, 1.0)), // BBS: do apply Z-rotation
instances[instance]->get_scaling_factor(),
instances[instance]->get_mirror()
);
// BBS
//z -= instances[instance]->get_offset().z();
for (Vec3d& point : plane_points) {
point -= instances[instance]->get_offset();
}
Transform3d inverse_cut_matrix = calculate_cut_plane_inverse_matrix(plane_points);
Transform3d cut_matrix = inverse_cut_matrix.inverse();
std::vector<ModelObject *> dowels;
// Displacement (in instance coordinates) to be applied to place the upper parts
Vec3d local_displace = Vec3d::Zero();
Vec3d local_dowels_displace = Vec3d::Zero();
for (ModelVolume *volume : volumes) {
const auto volume_matrix = volume->get_matrix();
volume->supported_facets.reset();
volume->seam_facets.reset();
volume->mmu_segmentation_facets.reset();
if (! volume->is_model_part()) {
if (volume->cut_info.is_processed) {
// Modifiers are not cut, but we still need to add the instance transformation
// to the modifier volume transformation to preserve their shape properly.
//Transform3d inverse_cut_matrix = calculate_cut_plane_inverse_matrix(plane_points);
process_modifier_cut(volume, instance_matrix, inverse_cut_matrix, attributes, upper, lower);
}
else {
process_connector_cut(volume, instance_matrix, cut_matrix, attributes, upper, lower, dowels, local_dowels_displace);
}
}
else if (! volume->mesh().empty()) {
process_solid_part_cut(volume, instance_matrix, cut_matrix, plane_points, attributes, upper, lower, local_displace);
}
}
ModelObjectPtrs res;
if (attributes.has(ModelObjectCutAttribute::CutToParts) && !upper->volumes.empty()) {
reset_instance_transformation(upper, instance, cut_matrix);
res.push_back(upper);
}
else {
if (attributes.has(ModelObjectCutAttribute::KeepUpper) && upper->volumes.size() > 0) {
reset_instance_transformation(upper, instance, cut_matrix, attributes.has(ModelObjectCutAttribute::PlaceOnCutUpper),
attributes.has(ModelObjectCutAttribute::FlipUpper), local_displace);
res.push_back(upper);
}
if (attributes.has(ModelObjectCutAttribute::KeepLower) && lower->volumes.size() > 0) {
reset_instance_transformation(lower, instance, cut_matrix, attributes.has(ModelObjectCutAttribute::PlaceOnCutLower),
attributes.has(ModelObjectCutAttribute::PlaceOnCutLower) ? true : attributes.has(ModelObjectCutAttribute::FlipLower));
res.push_back(lower);
}
if (attributes.has(ModelObjectCutAttribute::CreateDowels) && !dowels.empty()) {
for (auto dowel : dowels) {
reset_instance_transformation(dowel, instance, Transform3d::Identity(), false, false, local_dowels_displace);
local_dowels_displace += dowel->full_raw_mesh_bounding_box().size().cwiseProduct(Vec3d(-1.5, -1.5, 0.0));
dowel->name += "-Dowel-" + dowel->volumes[0]->name;
res.push_back(dowel);
}
}
}
BOOST_LOG_TRIVIAL(trace) << "ModelObject::cut - end";
synchronize_model_after_cut();
return res;
}
// BBS
ModelObjectPtrs ModelObject::segment(size_t instance, unsigned int max_extruders, double smoothing_alpha, int segment_number)
{
BOOST_LOG_TRIVIAL(trace) << "ModelObject::segment - start";
// Clone the object to duplicate instances, materials etc.
ModelObject* upper = ModelObject::new_clone(*this);
upper->set_model(nullptr);
upper->sla_support_points.clear();
upper->sla_drain_holes.clear();
upper->sla_points_status = sla::PointsStatus::NoPoints;
upper->clear_volumes();
upper->input_file.clear();
// Because transformations are going to be applied to meshes directly,
// we reset transformation of all instances and volumes,
// except for translation and Z-rotation on instances, which are preserved
// in the transformation matrix and not applied to the mesh transform.
// const auto instance_matrix = instances[instance]->get_matrix(true);
const auto instance_matrix = Geometry::assemble_transform(
Vec3d::Zero(), // don't apply offset
instances[instance]->get_rotation(), // BBS: keep Z-rotation
instances[instance]->get_scaling_factor(),
instances[instance]->get_mirror()
);
for (ModelVolume* volume : volumes) {
const auto volume_matrix = volume->get_matrix();
volume->supported_facets.reset();
volume->seam_facets.reset();
if (!volume->is_model_part()) {
// Modifiers are not cut, but we still need to add the instance transformation
// to the modifier volume transformation to preserve their shape properly.
volume->set_transformation(Geometry::Transformation(instance_matrix * volume_matrix));
upper->add_volume(*volume);
}
else if (!volume->mesh().empty()) {
// Transform the mesh by the combined transformation matrix.
// Flip the triangles in case the composite transformation is left handed.
TriangleMesh mesh(volume->mesh());
mesh.transform(instance_matrix * volume_matrix, true);
volume->reset_mesh();
auto mesh_segments = MeshBoolean::cgal::segment(mesh, smoothing_alpha, segment_number);
// Reset volume transformation except for offset
const Vec3d offset = volume->get_offset();
volume->set_transformation(Geometry::Transformation());
volume->set_offset(offset);
unsigned int extruder_counter = 0;
for (int idx=0;idx<mesh_segments.size();idx++)
{
auto& mesh_segment = mesh_segments[idx];
if (mesh_segment.facets_count() > 0) {
ModelVolume* vol = upper->add_volume(mesh_segment);
vol->name = volume->name.substr(0, volume->name.find_last_of('.')) + "_" + std::to_string(idx);
// Don't copy the config's ID.
vol->config.assign_config(volume->config);
#if 0
assert(vol->config.id().valid());
assert(vol->config.id() != volume->config.id());
vol->set_material(volume->material_id(), *volume->material());
#else
vol->config.set("extruder", auto_extruder_id(max_extruders, extruder_counter));
#endif
}
}
}
}
ModelObjectPtrs res;
if (upper->volumes.size() > 0) {
upper->invalidate_bounding_box();
// Reset instance transformation except offset and Z-rotation
for (size_t i = 0; i < instances.size(); i++) {
auto& instance = upper->instances[i];
const Vec3d offset = instance->get_offset();
// BBS
//const double rot_z = instance->get_rotation()(2);
instance->set_transformation(Geometry::Transformation());
instance->set_offset(offset);
// BBS
//instance->set_rotation(Vec3d(0.0, 0.0, rot_z));
}
res.push_back(upper);
}
BOOST_LOG_TRIVIAL(trace) << "ModelObject::segment - end";
return res;
}
void ModelObject::split(ModelObjectPtrs* new_objects)
{
std::vector<TriangleMesh> all_meshes;
@ -2801,35 +2332,6 @@ bool ModelVolume::is_splittable() const
return m_is_splittable == 1;
}
void ModelVolume::apply_tolerance()
{
assert(cut_info.is_connector);
if (!cut_info.is_processed)
return;
Vec3d sf = get_scaling_factor();
// make a "hole" wider
double size_scale = 1.f;
if (abs(cut_info.radius - 0) < EPSILON) // For compatibility with old files
size_scale = 1.f + double(cut_info.radius_tolerance);
else
size_scale = (double(cut_info.radius) + double(cut_info.radius_tolerance)) / double(cut_info.radius);
sf[X] *= size_scale;
sf[Y] *= size_scale;
// make a "hole" dipper
double height_scale = 1.f;
if (abs(cut_info.height - 0) < EPSILON) // For compatibility with old files
height_scale = 1.f + double(cut_info.height_tolerance);
else
height_scale = (double(cut_info.height) + double(cut_info.height_tolerance)) / double(cut_info.height);
sf[Z] *= height_scale;
set_scaling_factor(sf);
}
// BBS
std::vector<int> ModelVolume::get_extruders() const
{