BambuStudio/slic3r/GUI/Gizmos/GLGizmosCommon.cpp

793 lines
27 KiB
C++

#include "GLGizmosCommon.hpp"
#include <cassert>
#include "slic3r/GUI/GLCanvas3D.hpp"
#include "libslic3r/SLAPrint.hpp"
#include "slic3r/GUI/GUI_App.hpp"
#include "slic3r/GUI/Camera.hpp"
#include "slic3r/GUI/Plater.hpp"
#include "libslic3r/PresetBundle.hpp"
#include <GL/glew.h>
namespace Slic3r {
namespace GUI {
using namespace CommonGizmosDataObjects;
CommonGizmosDataPool::CommonGizmosDataPool(GLCanvas3D* canvas)
: m_canvas(canvas)
{
using c = CommonGizmosDataID;
m_data[c::SelectionInfo].reset( new SelectionInfo(this));
m_data[c::InstancesHider].reset( new InstancesHider(this));
m_data[c::HollowedMesh].reset( new HollowedMesh(this));
m_data[c::Raycaster].reset( new Raycaster(this));
m_data[c::ObjectClipper].reset( new ObjectClipper(this));
m_data[c::SupportsClipper].reset( new SupportsClipper(this));
}
void CommonGizmosDataPool::update(CommonGizmosDataID required)
{
assert(check_dependencies(required));
for (auto& [id, data] : m_data) {
if (int(required) & int(CommonGizmosDataID(id)))
data->update();
else
if (data->is_valid())
data->release();
}
}
SelectionInfo* CommonGizmosDataPool::selection_info() const
{
SelectionInfo* sel_info = dynamic_cast<SelectionInfo*>(m_data.at(CommonGizmosDataID::SelectionInfo).get());
assert(sel_info);
return sel_info->is_valid() ? sel_info : nullptr;
}
InstancesHider* CommonGizmosDataPool::instances_hider() const
{
InstancesHider* inst_hider = dynamic_cast<InstancesHider*>(m_data.at(CommonGizmosDataID::InstancesHider).get());
assert(inst_hider);
return inst_hider->is_valid() ? inst_hider : nullptr;
}
HollowedMesh* CommonGizmosDataPool::hollowed_mesh() const
{
HollowedMesh* hol_mesh = dynamic_cast<HollowedMesh*>(m_data.at(CommonGizmosDataID::HollowedMesh).get());
assert(hol_mesh);
return hol_mesh->is_valid() ? hol_mesh : nullptr;
}
Raycaster* CommonGizmosDataPool::raycaster() const
{
Raycaster* rc = dynamic_cast<Raycaster*>(m_data.at(CommonGizmosDataID::Raycaster).get());
assert(rc);
return rc->is_valid() ? rc : nullptr;
}
ObjectClipper* CommonGizmosDataPool::object_clipper() const
{
ObjectClipper* oc = dynamic_cast<ObjectClipper*>(m_data.at(CommonGizmosDataID::ObjectClipper).get());
// ObjectClipper is used from outside the gizmos to report current clipping plane.
// This function can be called when oc is nullptr.
return (oc && oc->is_valid()) ? oc : nullptr;
}
SupportsClipper* CommonGizmosDataPool::supports_clipper() const
{
SupportsClipper* sc = dynamic_cast<SupportsClipper*>(m_data.at(CommonGizmosDataID::SupportsClipper).get());
assert(sc);
return sc->is_valid() ? sc : nullptr;
}
#ifndef NDEBUG
// Check the required resources one by one and return true if all
// dependencies are met.
bool CommonGizmosDataPool::check_dependencies(CommonGizmosDataID required) const
{
// This should iterate over currently required data. Each of them should
// be asked about its dependencies and it must check that all dependencies
// are also in required and before the current one.
for (auto& [id, data] : m_data) {
// in case we don't use this, the deps are irrelevant
if (! (int(required) & int(CommonGizmosDataID(id))))
continue;
CommonGizmosDataID deps = data->get_dependencies();
assert(int(deps) == (int(deps) & int(required)));
}
return true;
}
#endif // NDEBUG
void SelectionInfo::on_update()
{
const Selection& selection = get_pool()->get_canvas()->get_selection();
// BBS still keep object pointer when selection is volume
//if (selection.is_single_full_instance()) {
if (!selection.is_empty()) {
m_model_object = selection.get_model()->objects[selection.get_object_idx()];
m_z_shift = selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z();
}
else
m_model_object = nullptr;
}
void SelectionInfo::on_release()
{
m_model_object = nullptr;
}
int SelectionInfo::get_active_instance() const
{
const Selection& selection = get_pool()->get_canvas()->get_selection();
return selection.get_instance_idx();
}
void InstancesHider::on_update()
{
const ModelObject* mo = get_pool()->selection_info()->model_object();
int active_inst = get_pool()->selection_info()->get_active_instance();
GLCanvas3D* canvas = get_pool()->get_canvas();
double z_min;
if (canvas->get_canvas_type() == GLCanvas3D::CanvasAssembleView)
z_min = std::numeric_limits<double>::max();
else
z_min = -SINKING_Z_THRESHOLD;
if (mo && active_inst != -1) {
canvas->toggle_model_objects_visibility(false);
canvas->toggle_model_objects_visibility(true, mo, active_inst);
canvas->toggle_sla_auxiliaries_visibility(m_show_supports, mo, active_inst);
canvas->set_use_clipping_planes(true);
// Some objects may be sinking, do not show whatever is below the bed.
canvas->set_clipping_plane(0, ClippingPlane(Vec3d::UnitZ(), z_min));
canvas->set_clipping_plane(1, ClippingPlane(-Vec3d::UnitZ(), std::numeric_limits<double>::max()));
std::vector<const TriangleMesh*> meshes;
for (const ModelVolume* mv : mo->volumes)
meshes.push_back(&mv->mesh());
if (meshes != m_old_meshes) {
m_clippers.clear();
for (const TriangleMesh* mesh : meshes) {
m_clippers.emplace_back(new MeshClipper);
m_clippers.back()->set_plane(ClippingPlane(-Vec3d::UnitZ(), z_min));
m_clippers.back()->set_mesh(*mesh);
}
m_old_meshes = meshes;
}
}
else
canvas->toggle_model_objects_visibility(true);
}
void InstancesHider::on_release()
{
get_pool()->get_canvas()->toggle_model_objects_visibility(true);
get_pool()->get_canvas()->set_use_clipping_planes(false);
m_old_meshes.clear();
m_clippers.clear();
}
void InstancesHider::show_supports(bool show) {
if (m_show_supports != show) {
m_show_supports = show;
on_update();
}
}
void InstancesHider::render_cut() const
{
const SelectionInfo* sel_info = get_pool()->selection_info();
const ModelObject* mo = sel_info->model_object();
Geometry::Transformation inst_trafo = mo->instances[sel_info->get_active_instance()]->get_transformation();
size_t clipper_id = 0;
for (const ModelVolume* mv : mo->volumes) {
Geometry::Transformation vol_trafo = mv->get_transformation();
Geometry::Transformation trafo = inst_trafo * vol_trafo;
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., sel_info->get_sla_shift()));
auto& clipper = m_clippers[clipper_id];
clipper->set_transformation(trafo);
const ObjectClipper* obj_clipper = get_pool()->object_clipper();
if (obj_clipper->is_valid() && obj_clipper->get_clipping_plane()
&& obj_clipper->get_position() != 0.) {
ClippingPlane clp = *get_pool()->object_clipper()->get_clipping_plane();
clp.set_normal(-clp.get_normal());
clipper->set_limiting_plane(clp);
} else
clipper->set_limiting_plane(ClippingPlane::ClipsNothing());
glsafe(::glPushMatrix());
if (mv->is_model_part())
glsafe(::glColor3f(0.8f, 0.3f, 0.0f));
else {
const std::array<float, 4>& c = color_from_model_volume(*mv);
glsafe(::glColor4f(c[0], c[1], c[2], c[3]));
}
glsafe(::glPushAttrib(GL_DEPTH_TEST));
glsafe(::glDisable(GL_DEPTH_TEST));
clipper->render_cut(mv->is_model_part() ? ColorRGBA{0.8f, 0.3f, 0.0f, 1.0f} : color_from_model_volume(*mv));
glsafe(::glPopAttrib());
glsafe(::glPopMatrix());
++clipper_id;
}
}
void HollowedMesh::on_update()
{
const ModelObject* mo = get_pool()->selection_info()->model_object();
bool is_sla = wxGetApp().preset_bundle->printers.get_selected_preset().printer_technology() == ptSLA;
if (! mo || ! is_sla)
return;
const GLCanvas3D* canvas = get_pool()->get_canvas();
const PrintObjects& print_objects = canvas->sla_print()->objects();
const SLAPrintObject* print_object = m_print_object_idx != -1
? print_objects[m_print_object_idx]
: nullptr;
// Find the respective SLAPrintObject.
if (m_print_object_idx < 0 || m_print_objects_count != int(print_objects.size())) {
m_print_objects_count = print_objects.size();
m_print_object_idx = -1;
for (const SLAPrintObject* po : print_objects) {
++m_print_object_idx;
if (po->model_object()->id() == mo->id()) {
print_object = po;
break;
}
}
}
// If there is a valid SLAPrintObject, check state of Hollowing step.
if (print_object) {
if (print_object->is_step_done(slaposDrillHoles) && print_object->has_mesh(slaposDrillHoles)) {
size_t timestamp = print_object->step_state_with_timestamp(slaposDrillHoles).timestamp;
if (timestamp > m_old_hollowing_timestamp) {
const TriangleMesh& backend_mesh = print_object->get_mesh_to_slice();
if (! backend_mesh.empty()) {
m_hollowed_mesh_transformed.reset(new TriangleMesh(backend_mesh));
Transform3d trafo_inv = canvas->sla_print()->sla_trafo(*mo).inverse();
m_hollowed_mesh_transformed->transform(trafo_inv);
m_drainholes = print_object->model_object()->sla_drain_holes;
m_old_hollowing_timestamp = timestamp;
indexed_triangle_set interior = print_object->hollowed_interior_mesh();
its_flip_triangles(interior);
m_hollowed_interior_transformed = std::make_unique<TriangleMesh>(std::move(interior));
m_hollowed_interior_transformed->transform(trafo_inv);
}
else {
m_hollowed_mesh_transformed.reset(nullptr);
}
}
}
else
m_hollowed_mesh_transformed.reset(nullptr);
}
}
void HollowedMesh::on_release()
{
m_hollowed_mesh_transformed.reset();
m_old_hollowing_timestamp = 0;
m_print_object_idx = -1;
}
const TriangleMesh* HollowedMesh::get_hollowed_mesh() const
{
return m_hollowed_mesh_transformed.get();
}
const TriangleMesh* HollowedMesh::get_hollowed_interior() const
{
return m_hollowed_interior_transformed.get();
}
void Raycaster::on_update()
{
wxBusyCursor wait;
const ModelObject* mo = get_pool()->selection_info()->model_object();
if (! mo)
return;
std::vector<const TriangleMesh*> meshes;
const std::vector<ModelVolume*>& mvs = mo->volumes;
if (mvs.size() == 1) {
assert(mvs.front()->is_model_part());
const HollowedMesh* hollowed_mesh_tracker = get_pool()->hollowed_mesh();
if (hollowed_mesh_tracker && hollowed_mesh_tracker->get_hollowed_mesh())
meshes.push_back(hollowed_mesh_tracker->get_hollowed_mesh());
}
if (meshes.empty()) {
for (const ModelVolume* mv : mvs) {
if (mv->is_model_part())
meshes.push_back(&mv->mesh());
}
}
if (meshes != m_old_meshes) {
m_raycasters.clear();
for (const TriangleMesh* mesh : meshes)
m_raycasters.emplace_back(new MeshRaycaster(*mesh));
m_old_meshes = meshes;
}
}
void Raycaster::on_release()
{
m_raycasters.clear();
m_old_meshes.clear();
}
std::vector<const MeshRaycaster*> Raycaster::raycasters() const
{
std::vector<const MeshRaycaster*> mrcs;
for (const auto& raycaster_unique_ptr : m_raycasters)
mrcs.push_back(raycaster_unique_ptr.get());
return mrcs;
}
void ObjectClipper::on_update()
{
const ModelObject *mo = get_pool()->selection_info()->model_object();
if (!mo) return;
// which mesh should be cut?
std::vector<const TriangleMesh *> meshes;
std::vector<Geometry::Transformation> trafos;
bool force_clipper_regeneration = false;
std::unique_ptr<MeshClipper> mc;
Geometry::Transformation mc_tr;
if (!mc && meshes.empty()) {
for (const ModelVolume *mv : mo->volumes) {
meshes.emplace_back(&mv->mesh());
trafos.emplace_back(mv->get_transformation());
}
}
if (mc || force_clipper_regeneration || meshes != m_old_meshes) {
m_clippers.clear();
for (size_t i = 0; i < meshes.size(); ++i) {
m_clippers.emplace_back(new MeshClipper, trafos[i]);
auto tri_mesh = new TriangleMesh(meshes[i]->its);
m_clippers.back().first->set_mesh(*tri_mesh);
}
m_old_meshes = std::move(meshes);
if (mc) { m_clippers.emplace_back(std::move(mc), mc_tr); }
m_active_inst_bb_radius = mo->instance_bounding_box(get_pool()->selection_info()->get_active_instance()).radius();
}
}
void ObjectClipper::on_release()
{
m_clippers.clear();
m_old_meshes.clear();
m_clp.reset();
m_clp_ratio = 0.;
}
void CommonGizmosDataObjects::ObjectClipper::render_cut(const std::vector<size_t> *ignore_idxs) const
{
if (m_clp_ratio == 0.) return;
const SelectionInfo * sel_info = get_pool()->selection_info();
//consider normal view or assemble view
const ModelObject * mo = sel_info->model_object();
Geometry::Transformation inst_trafo;
bool is_assem_cnv = get_pool()->get_canvas()->get_canvas_type() == GLCanvas3D::CanvasAssembleView;
inst_trafo = is_assem_cnv ? mo->instances[sel_info->get_active_instance()]->get_assemble_transformation() :
mo->instances[sel_info->get_active_instance()]->get_transformation();
auto offset_to_assembly = mo->instances[0]->get_offset_to_assembly();
auto debug = sel_info->get_sla_shift();
std::vector<size_t> ignore_idxs_local = ignore_idxs ? *ignore_idxs : std::vector<size_t>();
for (auto &clipper : m_clippers) {
auto vol_trafo = clipper.second;
Geometry::Transformation trafo = inst_trafo * vol_trafo;
if (is_assem_cnv) {
trafo.set_offset(trafo.get_offset() + offset_to_assembly * (GLVolume::explosion_ratio - 1.0) + vol_trafo.get_offset() * (GLVolume::explosion_ratio - 1.0));
} else {
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., sel_info->get_sla_shift()));
}
clipper.first->set_plane(*m_clp);
clipper.first->set_transformation(trafo);
clipper.first->set_limiting_plane(ClippingPlane(Vec3d::UnitZ(), -SINKING_Z_THRESHOLD));
clipper.first->render_cut({1.0f, 0.37f, 0.0f, 1.0f}, &ignore_idxs_local);
clipper.first->render_contour({1.f, 1.f, 1.f, 1.f}, &ignore_idxs_local);
// Now update the ignore idxs. Find the first element belonging to the next clipper,
// and remove everything before it and decrement everything by current number of contours.
const int num_of_contours = clipper.first->get_number_of_contours();
ignore_idxs_local.erase(ignore_idxs_local.begin(),std::find_if(ignore_idxs_local.begin(), ignore_idxs_local.end(), [num_of_contours](size_t idx) {
return idx >= size_t(num_of_contours);
}));
for (size_t &idx : ignore_idxs_local) idx -= num_of_contours;
}
}
void ObjectClipper::set_range_and_pos(const Vec3d &cpl_normal, double cpl_offset, double pos)
{
m_clp.reset(new ClippingPlane(cpl_normal, cpl_offset));
m_clp_ratio = pos;
get_pool()->get_canvas()->set_as_dirty();
}
void CommonGizmosDataObjects::ObjectClipper::set_behaviour(bool hide_clipped, bool fill_cut, double contour_width)
{
m_hide_clipped = hide_clipped;
for (auto &clipper : m_clippers)
clipper.first->set_behaviour(fill_cut, contour_width);
}
void ObjectClipper::set_position(double pos, bool keep_normal)
{
const ModelObject *mo = get_pool()->selection_info()->model_object();
int active_inst = get_pool()->selection_info()->get_active_instance();
double z_shift = get_pool()->selection_info()->get_sla_shift();
if (active_inst < 0) {
return;
}
Vec3d normal = (keep_normal && m_clp) ? m_clp->get_normal() : -wxGetApp().plater()->get_camera().get_dir_forward();
Vec3d center;
if (get_pool()->get_canvas()->get_canvas_type() == GLCanvas3D::CanvasAssembleView) {
const SelectionInfo *sel_info = get_pool()->selection_info();
auto trafo = mo->instances[sel_info->get_active_instance()]->get_assemble_transformation();
auto offset_to_assembly = mo->instances[0]->get_offset_to_assembly();
center = trafo.get_offset() + offset_to_assembly * (GLVolume::explosion_ratio - 1.0);
} else {
center = mo->instances[active_inst]->get_offset() + Vec3d(0., 0., z_shift);
}
float dist = normal.dot(center);
if (pos < 0.)
pos = m_clp_ratio;
m_clp_ratio = pos;
m_clp.reset(new ClippingPlane(normal, (dist - (-m_active_inst_bb_radius) - m_clp_ratio * 2 * m_active_inst_bb_radius)));
get_pool()->get_canvas()->set_as_dirty();
}
int CommonGizmosDataObjects::ObjectClipper::get_number_of_contours() const
{
int sum = 0;
for (const auto &[clipper, trafo] : m_clippers)
sum += clipper->get_number_of_contours();
return sum;
}
std::vector<Vec3d> CommonGizmosDataObjects::ObjectClipper::point_per_contour() const
{
std::vector<Vec3d> pts;
for (const auto &clipper : m_clippers) {
const std::vector<Vec3d> pts_clipper = clipper.first->point_per_contour();
pts.insert(pts.end(), pts_clipper.begin(), pts_clipper.end());
}
return pts;
}
int ObjectClipper::is_projection_inside_cut(const Vec3d &point) const
{
if (m_clp_ratio == 0.)
return -1;
int idx_offset = 0;
for (const auto &[clipper, trafo] : m_clippers) {
if (int idx = clipper->is_projection_inside_cut(point); idx != -1)
return idx_offset + idx;
idx_offset += clipper->get_number_of_contours();
}
return -1;
}
bool ObjectClipper::has_valid_contour() const
{
return m_clp_ratio != 0. && std::any_of(m_clippers.begin(), m_clippers.end(), [](const auto &cl) {
return cl.first->has_valid_contour();
});
}
void SupportsClipper::on_update()
{
const ModelObject* mo = get_pool()->selection_info()->model_object();
bool is_sla = wxGetApp().preset_bundle->printers.get_selected_preset().printer_technology() == ptSLA;
if (! mo || ! is_sla)
return;
const GLCanvas3D* canvas = get_pool()->get_canvas();
const PrintObjects& print_objects = canvas->sla_print()->objects();
const SLAPrintObject* print_object = m_print_object_idx != -1
? print_objects[m_print_object_idx]
: nullptr;
// Find the respective SLAPrintObject.
if (m_print_object_idx < 0 || m_print_objects_count != int(print_objects.size())) {
m_print_objects_count = print_objects.size();
m_print_object_idx = -1;
for (const SLAPrintObject* po : print_objects) {
++m_print_object_idx;
if (po->model_object()->id() == mo->id()) {
print_object = po;
break;
}
}
}
if (print_object
&& print_object->is_step_done(slaposSupportTree)
&& ! print_object->support_mesh().empty())
{
// If the supports are already calculated, save the timestamp of the respective step
// so we can later tell they were recalculated.
size_t timestamp = print_object->step_state_with_timestamp(slaposSupportTree).timestamp;
if (! m_clipper || timestamp != m_old_timestamp) {
// The timestamp has changed.
m_clipper.reset(new MeshClipper);
// The mesh should already have the shared vertices calculated.
m_clipper->set_mesh(print_object->support_mesh());
m_old_timestamp = timestamp;
}
}
else
// The supports are not valid. We better dump the cached data.
m_clipper.reset();
}
void SupportsClipper::on_release()
{
m_clipper.reset();
m_old_timestamp = 0;
m_print_object_idx = -1;
}
void SupportsClipper::render_cut() const
{
const CommonGizmosDataObjects::ObjectClipper* ocl = get_pool()->object_clipper();
if (ocl->get_position() == 0.
|| ! get_pool()->instances_hider()->are_supports_shown()
|| ! m_clipper)
return;
const SelectionInfo* sel_info = get_pool()->selection_info();
const ModelObject* mo = sel_info->model_object();
Geometry::Transformation inst_trafo = mo->instances[sel_info->get_active_instance()]->get_transformation();
//Geometry::Transformation vol_trafo = mo->volumes.front()->get_transformation();
Geometry::Transformation trafo = inst_trafo;// * vol_trafo;
trafo.set_offset(trafo.get_offset() + Vec3d(0., 0., sel_info->get_sla_shift()));
// Get transformation of supports
Geometry::Transformation supports_trafo = trafo;
supports_trafo.set_scaling_factor(Vec3d::Ones());
supports_trafo.set_offset(Vec3d(trafo.get_offset()(0), trafo.get_offset()(1), sel_info->get_sla_shift()));
supports_trafo.set_rotation(Vec3d(0., 0., trafo.get_rotation()(2)));
// I don't know why, but following seems to be correct.
supports_trafo.set_mirror(Vec3d(trafo.get_mirror()(0) * trafo.get_mirror()(1) * trafo.get_mirror()(2),
1,
1.));
m_clipper->set_plane(*ocl->get_clipping_plane());
m_clipper->set_transformation(supports_trafo);
glsafe(::glPushMatrix());
m_clipper->render_cut({1.0f, 0.f, 0.37f, 1.0f});
glsafe(::glPopMatrix());
}
using namespace AssembleViewDataObjects;
AssembleViewDataPool::AssembleViewDataPool(GLCanvas3D* canvas)
: m_canvas(canvas)
{
using c = AssembleViewDataID;
m_data[c::ModelObjectsInfo].reset(new ModelObjectsInfo(this));
m_data[c::ModelObjectsClipper].reset(new ModelObjectsClipper(this));
}
void AssembleViewDataPool::update(AssembleViewDataID required)
{
assert(check_dependencies(required));
for (auto& [id, data] : m_data) {
if (int(required) & int(AssembleViewDataID(id)))
data->update();
else
if (data->is_valid())
data->release();
}
}
ModelObjectsInfo* AssembleViewDataPool::model_objects_info() const
{
ModelObjectsInfo* sel_info = dynamic_cast<ModelObjectsInfo*>(m_data.at(AssembleViewDataID::ModelObjectsInfo).get());
assert(sel_info);
return sel_info->is_valid() ? sel_info : nullptr;
}
ModelObjectsClipper* AssembleViewDataPool::model_objects_clipper() const
{
ModelObjectsClipper* oc = dynamic_cast<ModelObjectsClipper*>(m_data.at(AssembleViewDataID::ModelObjectsClipper).get());
// ObjectClipper is used from outside the gizmos to report current clipping plane.
// This function can be called when oc is nullptr.
return (oc && oc->is_valid()) ? oc : nullptr;
}
#ifndef NDEBUG
// Check the required resources one by one and return true if all
// dependencies are met.
bool AssembleViewDataPool::check_dependencies(AssembleViewDataID required) const
{
// This should iterate over currently required data. Each of them should
// be asked about its dependencies and it must check that all dependencies
// are also in required and before the current one.
for (auto& [id, data] : m_data) {
// in case we don't use this, the deps are irrelevant
if (!(int(required) & int(AssembleViewDataID(id))))
continue;
AssembleViewDataID deps = data->get_dependencies();
assert(int(deps) == (int(deps) & int(required)));
}
return true;
}
#endif // NDEBUG
void ModelObjectsInfo::on_update()
{
if (!get_pool()->get_canvas()->get_model()->objects.empty()) {
m_model_objects = get_pool()->get_canvas()->get_model()->objects;
}
else {
m_model_objects.clear();
}
}
void ModelObjectsInfo::on_release()
{
m_model_objects.clear();
}
//int ModelObjectsInfo::get_active_instance() const
//{
// const Selection& selection = get_pool()->get_canvas()->get_selection();
// return selection.get_instance_idx();
//}
void ModelObjectsClipper::on_update()
{
const ModelObjectPtrs model_objects = get_pool()->model_objects_info()->model_objects();
if (model_objects.empty())
return;
// which mesh should be cut?
std::vector<const TriangleMesh*> meshes;
if (meshes.empty())
for (auto mo : model_objects) {
for (const ModelVolume* mv : mo->volumes)
meshes.push_back(&mv->mesh());
}
if (meshes != m_old_meshes) {
m_clippers.clear();
for (const TriangleMesh* mesh : meshes) {
m_clippers.emplace_back(new MeshClipper);
m_clippers.back()->set_mesh(*mesh);
}
m_old_meshes = meshes;
m_active_inst_bb_radius = get_pool()->get_canvas()->volumes_bounding_box().radius();
}
}
void ModelObjectsClipper::on_release()
{
m_clippers.clear();
m_old_meshes.clear();
m_clp.reset();
m_clp_ratio = 0.;
}
void ModelObjectsClipper::render_cut() const
{
if (m_clp_ratio == 0.)
return;
const ModelObjectPtrs model_objects = get_pool()->model_objects_info()->model_objects();
size_t clipper_id = 0;
for (const ModelObject* mo : model_objects) {
Geometry::Transformation assemble_objects_trafo = mo->instances[0]->get_assemble_transformation();
auto offset_to_assembly = mo->instances[0]->get_offset_to_assembly();
for (const ModelVolume* mv : mo->volumes) {
Geometry::Transformation vol_trafo = mv->get_transformation();
Geometry::Transformation trafo = assemble_objects_trafo * vol_trafo;
trafo.set_offset(trafo.get_offset() + vol_trafo.get_offset() * (GLVolume::explosion_ratio - 1.0) + offset_to_assembly * (GLVolume::explosion_ratio - 1.0));
auto& clipper = m_clippers[clipper_id];
clipper->set_plane(*m_clp);
clipper->set_transformation(trafo);
glsafe(::glPushMatrix());
// BBS
clipper->render_cut({0.25f, 0.25f, 0.25f, 1.0f});
glsafe(::glPopMatrix());
++clipper_id;
}
}
}
void ModelObjectsClipper::set_position(double pos, bool keep_normal)
{
Vec3d normal = (keep_normal && m_clp) ? m_clp->get_normal() : -wxGetApp().plater()->get_camera().get_dir_forward();
const Vec3d& center = get_pool()->get_canvas()->volumes_bounding_box().center();
float dist = normal.dot(center);
if (pos < 0.)
pos = m_clp_ratio;
m_clp_ratio = pos;
m_clp.reset(new ClippingPlane(normal, (dist - (-m_active_inst_bb_radius * GLVolume::explosion_ratio) - m_clp_ratio * 2 * m_active_inst_bb_radius * GLVolume::explosion_ratio)));
get_pool()->get_canvas()->set_as_dirty();
}
} // namespace GUI
} // namespace Slic3r