Cut: separate Model for the pre-cut object

This commit is contained in:
Lukas Matena 2023-03-28 13:06:11 +02:00
parent 2005882ac5
commit ae5fe9ce8c
2 changed files with 23 additions and 18 deletions

View file

@ -1406,7 +1406,7 @@ void GLGizmoCut3D::PartSelection::render(const Vec3d* normal)
// FIXME: Cache the transforms.
const Vec3d inst_offset = model_object->instances[instance_idx]->get_offset();
const Vec3d inst_offset = model_object()->instances[instance_idx]->get_offset();
const Transform3d view_inst_matrix= camera.get_view_matrix() * translation_transform(inst_offset);
const bool is_looking_forward = normal && camera.get_dir_forward().dot(*normal) < 0.05;
@ -1415,7 +1415,7 @@ void GLGizmoCut3D::PartSelection::render(const Vec3d* normal)
if (normal && (( is_looking_forward && parts[id].selected) ||
(!is_looking_forward && !parts[id].selected) ) )
continue;
const Vec3d volume_offset = model_object->volumes[id]->get_offset();
const Vec3d volume_offset = model_object()->volumes[id]->get_offset();
shader->set_uniform("view_model_matrix", view_inst_matrix * translation_transform(volume_offset));
parts[id].glmodel.set_color(parts[id].selected ? UPPER_PART_COLOR : LOWER_PART_COLOR);
parts[id].glmodel.render();
@ -1437,8 +1437,8 @@ void GLGizmoCut3D::PartSelection::toggle_selection(const Vec2d& mouse_pos)
std::vector<std::pair<size_t, double>> hits_id_and_sqdist;
for (size_t id=0; id<parts.size(); ++id) {
const Vec3d volume_offset = model_object->volumes[id]->get_offset();
Transform3d tr = model_object->instances[instance_idx]->get_matrix() * model_object->volumes[id]->get_matrix();
const Vec3d volume_offset = model_object()->volumes[id]->get_offset();
Transform3d tr = model_object()->instances[instance_idx]->get_matrix() * model_object()->volumes[id]->get_matrix();
if (parts[id].raycaster.unproject_on_mesh(mouse_pos, tr, camera, pos, normal)) {
hits_id_and_sqdist.emplace_back(id, (camera_pos - tr*(pos.cast<double>())).squaredNorm());
}
@ -1730,12 +1730,21 @@ void GLGizmoCut3D::flip_cut_plane()
}
GLGizmoCut3D::PartSelection::PartSelection(ModelObject* mo, int instance_idx_in, const Vec3d& center, const Vec3d& normal)
GLGizmoCut3D::PartSelection::PartSelection(const ModelObject* mo, const Transform3d& cut_matrix, int instance_idx_in, const Vec3d& center, const Vec3d& normal)
{
model_object = mo; // FIXME: Ownership.
model = Model();
model.add_object(*mo);
ModelObjectPtrs cut_part_ptrs = model.objects.front()->cut(instance_idx_in, cut_matrix,
ModelObjectCutAttribute::KeepUpper |
ModelObjectCutAttribute::KeepLower |
ModelObjectCutAttribute::KeepAsParts);
assert(cut_part_ptrs.size() == 1);
model = Model();
model.add_object(*cut_part_ptrs.front());
instance_idx = instance_idx_in;
const ModelVolumePtrs& volumes = mo->volumes;
const ModelVolumePtrs& volumes = model_object()->volumes;
// split to parts
for (int id = int(volumes.size())-1; id >= 0; id--)
@ -1750,7 +1759,7 @@ GLGizmoCut3D::PartSelection::PartSelection(ModelObject* mo, int instance_idx_in,
parts.back().glmodel.init_from(volume->mesh());
// Now check whether this part is below or above the plane.
Transform3d tr = (model_object->instances[instance_idx]->get_matrix() * volume->get_matrix()).inverse();
Transform3d tr = (model_object()->instances[instance_idx]->get_matrix() * volume->get_matrix()).inverse();
Vec3f pos = (tr * center).cast<float>();
Vec3f norm = (tr.linear().inverse().transpose() * normal).cast<float>();
for (const Vec3f& v : volume->mesh().its.vertices) {
@ -1786,13 +1795,7 @@ void GLGizmoCut3D::process_contours()
const int instance_idx = selection.get_instance_idx();
const int object_idx = selection.get_object_idx();
ModelObjectPtrs cut_part_ptrs = model_objects[object_idx]->cut(instance_idx, get_cut_matrix(selection),
ModelObjectCutAttribute::KeepUpper |
ModelObjectCutAttribute::KeepLower |
ModelObjectCutAttribute::KeepAsParts);
assert(cut_part_ptrs.size() == 1);
m_part_selection = PartSelection(cut_part_ptrs.front(), instance_idx, m_plane_center, m_cut_normal);
m_part_selection = PartSelection(model_objects[object_idx], get_cut_matrix(selection), instance_idx, m_plane_center, m_cut_normal);
m_parent.toggle_model_objects_visibility(false);
}
@ -2348,7 +2351,7 @@ void GLGizmoCut3D::perform_cut(const Selection& selection)
Plater::TakeSnapshot snapshot(wxGetApp().plater(), _L("Cut by Plane"));
const bool cut_by_contour = m_part_selection.valid;
ModelObject* cut_mo = cut_by_contour ? m_part_selection.model_object : nullptr;
ModelObject* cut_mo = cut_by_contour ? m_part_selection.model_object() : nullptr;
if (cut_mo)
cut_mo->cut_connectors = mo->cut_connectors;

View file

@ -139,18 +139,20 @@ class GLGizmoCut3D : public GLGizmoBase
struct PartSelection {
PartSelection() = default;
PartSelection(ModelObject* mo, int instance_idx, const Vec3d& center, const Vec3d& normal);
PartSelection(const ModelObject* mo, const Transform3d& cut_matrix, int instance_idx, const Vec3d& center, const Vec3d& normal);
void render(const Vec3d* normal = nullptr);
void toggle_selection(const Vec2d& mouse_pos);
void turn_over_selection();
ModelObject* model_object() { return model.objects.front(); }
struct Part {
GLModel glmodel;
MeshRaycaster raycaster;
bool selected;
};
ModelObject* model_object; // FIXME: Ownership !
Model model;
int instance_idx;
std::vector<Part> parts;
bool valid = false;