// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro. #include "GLGizmoSlaSupports.hpp" #include "slic3r/GUI/GLCanvas3D.hpp" #include #include #include #include #include "slic3r/GUI/GUI_App.hpp" #include "slic3r/GUI/GUI.hpp" #include "slic3r/GUI/GUI_ObjectSettings.hpp" #include "slic3r/GUI/GUI_ObjectList.hpp" #include "slic3r/GUI/PresetBundle.hpp" #include "libslic3r/Tesselate.hpp" namespace Slic3r { namespace GUI { #if ENABLE_SVG_ICONS GLGizmoSlaSupports::GLGizmoSlaSupports(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id) : GLGizmoBase(parent, icon_filename, sprite_id) #else GLGizmoSlaSupports::GLGizmoSlaSupports(GLCanvas3D& parent, unsigned int sprite_id) : GLGizmoBase(parent, sprite_id) #endif // ENABLE_SVG_ICONS , m_quadric(nullptr) { m_quadric = ::gluNewQuadric(); if (m_quadric != nullptr) // using GLU_FILL does not work when the instance's transformation // contains mirroring (normals are reverted) ::gluQuadricDrawStyle(m_quadric, GLU_FILL); } GLGizmoSlaSupports::~GLGizmoSlaSupports() { if (m_quadric != nullptr) ::gluDeleteQuadric(m_quadric); } bool GLGizmoSlaSupports::on_init() { m_shortcut_key = WXK_CONTROL_L; return true; } void GLGizmoSlaSupports::set_sla_support_data(ModelObject* model_object, const Selection& selection) { if (selection.is_empty()) { m_model_object = nullptr; return; } if (m_model_object != model_object) m_print_object_idx = -1; m_model_object = model_object; m_active_instance = selection.get_instance_idx(); if (model_object && selection.is_from_single_instance()) { // Cache the bb - it's needed for dealing with the clipping plane quite often // It could be done inside update_mesh but one has to account for scaling of the instance. //FIXME calling ModelObject::instance_bounding_box() is expensive! m_active_instance_bb_radius = m_model_object->instance_bounding_box(m_active_instance).radius(); if (is_mesh_update_necessary()) { update_mesh(); editing_mode_reload_cache(); } if (m_editing_mode_cache.empty() && m_model_object->sla_points_status != sla::PointsStatus::UserModified) get_data_from_backend(); if (m_state == On) { m_parent.toggle_model_objects_visibility(false); m_parent.toggle_model_objects_visibility(true, m_model_object, m_active_instance); } } } void GLGizmoSlaSupports::on_render(const Selection& selection) const { // If current m_model_object does not match selection, ask GLCanvas3D to turn us off if (m_state == On && (m_model_object != selection.get_model()->objects[selection.get_object_idx()] || m_active_instance != selection.get_instance_idx())) { m_parent.post_event(SimpleEvent(EVT_GLCANVAS_RESETGIZMOS)); return; } glsafe(::glEnable(GL_BLEND)); glsafe(::glEnable(GL_DEPTH_TEST)); m_z_shift = selection.get_volume(*selection.get_volume_idxs().begin())->get_sla_shift_z(); if (m_quadric != nullptr && selection.is_from_single_instance()) render_points(selection, false); m_selection_rectangle.render(m_parent); render_clipping_plane(selection); glsafe(::glDisable(GL_BLEND)); } void GLGizmoSlaSupports::render_clipping_plane(const Selection& selection) const { if (m_clipping_plane_distance == 0.f) return; if (m_clipping_plane_normal == Vec3d::Zero()) reset_clipping_plane_normal(); const Vec3d& direction_to_camera = m_clipping_plane_normal; // First cache instance transformation to be used later. const GLVolume* vol = selection.get_volume(*selection.get_volume_idxs().begin()); Transform3f instance_matrix = vol->get_instance_transformation().get_matrix().cast(); Transform3f instance_matrix_no_translation_no_scaling = vol->get_instance_transformation().get_matrix(true,false,true).cast(); Vec3f scaling = vol->get_instance_scaling_factor().cast(); Vec3d instance_offset = vol->get_instance_offset(); // Calculate distance from mesh origin to the clipping plane (in mesh coordinates). Vec3f up_noscale = instance_matrix_no_translation_no_scaling.inverse() * direction_to_camera.cast(); Vec3f up = Vec3f(up_noscale(0)*scaling(0), up_noscale(1)*scaling(1), up_noscale(2)*scaling(2)); float height_mesh = (m_active_instance_bb_radius - m_clipping_plane_distance * 2*m_active_instance_bb_radius) * (up_noscale.norm()/up.norm()); // Get transformation of the supports and calculate how far from its origin the clipping plane is. Transform3d supports_trafo = Transform3d::Identity(); supports_trafo = supports_trafo.rotate(Eigen::AngleAxisd(vol->get_instance_rotation()(2), Vec3d::UnitZ())); Vec3f up_supports = (supports_trafo.inverse() * direction_to_camera).cast(); supports_trafo = supports_trafo.pretranslate(Vec3d(instance_offset(0), instance_offset(1), vol->get_sla_shift_z())); // Instance and supports origin do not coincide, so the following is quite messy: float height_supports = height_mesh * (up.norm() / up_supports.norm()) + instance_offset(2) * (direction_to_camera(2) / direction_to_camera.norm()); // In case either of these was recently changed, the cached triangulated ExPolygons are invalid now. // We are gonna recalculate them both for the object and for the support structures. if (m_clipping_plane_distance != m_old_clipping_plane_distance || m_old_clipping_plane_normal != direction_to_camera) { m_old_clipping_plane_normal = direction_to_camera; m_old_clipping_plane_distance = m_clipping_plane_distance; // Now initialize the TMS for the object, perform the cut and save the result. if (! m_tms) { m_tms.reset(new TriangleMeshSlicer); m_tms->init(m_mesh, [](){}); } std::vector list_of_expolys; m_tms->set_up_direction(up); m_tms->slice(std::vector{height_mesh}, 0.f, &list_of_expolys, [](){}); m_triangles = triangulate_expolygons_2f(list_of_expolys[0]); // Next, ask the backend if supports are already calculated. If so, we are gonna cut them too. // First we need a pointer to the respective SLAPrintObject. The index into objects vector is // cached so we don't have todo it on each render. We only search for the po if needed: if (m_print_object_idx < 0 || (int)m_parent.sla_print()->objects().size() != m_print_objects_count) { m_print_objects_count = m_parent.sla_print()->objects().size(); m_print_object_idx = -1; for (const SLAPrintObject* po : m_parent.sla_print()->objects()) { ++m_print_object_idx; if (po->model_object()->id() == m_model_object->id()) break; } } if (m_print_object_idx >= 0) { const SLAPrintObject* print_object = m_parent.sla_print()->objects()[m_print_object_idx]; if (print_object->is_step_done(slaposSupportTree)) { // 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_supports_tms || (int)timestamp != m_old_timestamp) { // The timestamp has changed - stash the mesh and initialize the TMS. m_supports_mesh = &print_object->support_mesh(); m_supports_tms.reset(new TriangleMeshSlicer); // The mesh should already have the shared vertices calculated. m_supports_tms->init(m_supports_mesh, [](){}); m_old_timestamp = timestamp; } // The TMS is initialized - let's do the cutting: list_of_expolys.clear(); m_supports_tms->set_up_direction(up_supports); m_supports_tms->slice(std::vector{height_supports}, 0.f, &list_of_expolys, [](){}); m_supports_triangles = triangulate_expolygons_2f(list_of_expolys[0]); } else { // The supports are not valid. We better dump the cached data. m_supports_tms.reset(); m_supports_triangles.clear(); } } } // At this point we have the triangulated cuts for both the object and supports - let's render. if (! m_triangles.empty()) { ::glPushMatrix(); ::glTranslated(0.0, 0.0, m_z_shift); ::glMultMatrixf(instance_matrix.data()); Eigen::Quaternionf q; q.setFromTwoVectors(Vec3f::UnitZ(), up); Eigen::AngleAxisf aa(q); ::glRotatef(aa.angle() * (180./M_PI), aa.axis()(0), aa.axis()(1), aa.axis()(2)); ::glTranslatef(0.f, 0.f, 0.01f); // to make sure the cut does not intersect the structure itself ::glColor3f(1.0f, 0.37f, 0.0f); ::glBegin(GL_TRIANGLES); for (const Vec2f& point : m_triangles) ::glVertex3f(point(0), point(1), height_mesh); ::glEnd(); ::glPopMatrix(); } if (! m_supports_triangles.empty() && !m_editing_mode) { // The supports are hidden in the editing mode, so it makes no sense to render the cuts. ::glPushMatrix(); ::glMultMatrixd(supports_trafo.data()); Eigen::Quaternionf q; q.setFromTwoVectors(Vec3f::UnitZ(), up_supports); Eigen::AngleAxisf aa(q); ::glRotatef(aa.angle() * (180./M_PI), aa.axis()(0), aa.axis()(1), aa.axis()(2)); ::glTranslatef(0.f, 0.f, 0.01f); ::glColor3f(1.0f, 0.f, 0.37f); ::glBegin(GL_TRIANGLES); for (const Vec2f& point : m_supports_triangles) ::glVertex3f(point(0), point(1), height_supports); ::glEnd(); ::glPopMatrix(); } } void GLGizmoSlaSupports::on_render_for_picking(const Selection& selection) const { glsafe(::glEnable(GL_DEPTH_TEST)); render_points(selection, true); } void GLGizmoSlaSupports::render_points(const Selection& selection, bool picking) const { if (!picking) glsafe(::glEnable(GL_LIGHTING)); const GLVolume* vol = selection.get_volume(*selection.get_volume_idxs().begin()); const Transform3d& instance_scaling_matrix_inverse = vol->get_instance_transformation().get_matrix(true, true, false, true).inverse(); const Transform3d& instance_matrix = vol->get_instance_transformation().get_matrix(); glsafe(::glPushMatrix()); glsafe(::glTranslated(0.0, 0.0, m_z_shift)); glsafe(::glMultMatrixd(instance_matrix.data())); float render_color[3]; for (int i = 0; i < (int)m_editing_mode_cache.size(); ++i) { const sla::SupportPoint& support_point = m_editing_mode_cache[i].support_point; const bool& point_selected = m_editing_mode_cache[i].selected; if (is_point_clipped(support_point.pos.cast())) continue; // First decide about the color of the point. if (picking) { std::array color = picking_color_component(i); render_color[0] = color[0]; render_color[1] = color[1]; render_color[2] = color[2]; } else { if ((m_hover_id == i && m_editing_mode)) { // ignore hover state unless editing mode is active render_color[0] = 0.f; render_color[1] = 1.0f; render_color[2] = 1.0f; } else { // neigher hover nor picking bool supports_new_island = m_lock_unique_islands && m_editing_mode_cache[i].support_point.is_new_island; if (m_editing_mode) { render_color[0] = point_selected ? 1.0f : (supports_new_island ? 0.3f : 0.7f); render_color[1] = point_selected ? 0.3f : (supports_new_island ? 0.3f : 0.7f); render_color[2] = point_selected ? 0.3f : (supports_new_island ? 1.0f : 0.7f); } else for (unsigned char i=0; i<3; ++i) render_color[i] = 0.5f; } } glsafe(::glColor3fv(render_color)); float render_color_emissive[4] = { 0.5f * render_color[0], 0.5f * render_color[1], 0.5f * render_color[2], 1.f}; glsafe(::glMaterialfv(GL_FRONT, GL_EMISSION, render_color_emissive)); // Inverse matrix of the instance scaling is applied so that the mark does not scale with the object. glsafe(::glPushMatrix()); glsafe(::glTranslated(support_point.pos(0), support_point.pos(1), support_point.pos(2))); glsafe(::glMultMatrixd(instance_scaling_matrix_inverse.data())); // Matrices set, we can render the point mark now. // If in editing mode, we'll also render a cone pointing to the sphere. if (m_editing_mode) { if (m_editing_mode_cache[i].normal == Vec3f::Zero()) update_cache_entry_normal(i); // in case the normal is not yet cached, find and cache it Eigen::Quaterniond q; q.setFromTwoVectors(Vec3d{0., 0., 1.}, instance_scaling_matrix_inverse * m_editing_mode_cache[i].normal.cast()); Eigen::AngleAxisd aa(q); glsafe(::glRotated(aa.angle() * (180. / M_PI), aa.axis()(0), aa.axis()(1), aa.axis()(2))); const float cone_radius = 0.25f; // mm const float cone_height = 0.75f; glsafe(::glPushMatrix()); glsafe(::glTranslatef(0.f, 0.f, m_editing_mode_cache[i].support_point.head_front_radius * RenderPointScale)); ::gluCylinder(m_quadric, 0.f, cone_radius, cone_height, 24, 1); glsafe(::glTranslatef(0.f, 0.f, cone_height)); ::gluDisk(m_quadric, 0.0, cone_radius, 24, 1); glsafe(::glPopMatrix()); } ::gluSphere(m_quadric, m_editing_mode_cache[i].support_point.head_front_radius * RenderPointScale, 24, 12); glsafe(::glPopMatrix()); } { // Reset emissive component to zero (the default value) float render_color_emissive[4] = { 0.f, 0.f, 0.f, 1.f }; glsafe(::glMaterialfv(GL_FRONT, GL_EMISSION, render_color_emissive)); } if (!picking) glsafe(::glDisable(GL_LIGHTING)); glsafe(::glPopMatrix()); } bool GLGizmoSlaSupports::is_point_clipped(const Vec3d& point) const { const Vec3d& direction_to_camera = m_clipping_plane_normal; if (m_clipping_plane_distance == 0.f) return false; Vec3d transformed_point = m_model_object->instances.front()->get_transformation().get_matrix() * point; transformed_point(2) += m_z_shift; return direction_to_camera.dot(m_model_object->instances[m_active_instance]->get_offset() + Vec3d(0., 0., m_z_shift)) + m_active_instance_bb_radius - m_clipping_plane_distance * 2*m_active_instance_bb_radius < direction_to_camera.dot(transformed_point); } bool GLGizmoSlaSupports::is_mesh_update_necessary() const { return ((m_state == On) && (m_model_object != nullptr) && !m_model_object->instances.empty()) && ((m_model_object->id() != m_current_mesh_model_id) || m_V.size()==0); } void GLGizmoSlaSupports::update_mesh() { wxBusyCursor wait; Eigen::MatrixXf& V = m_V; Eigen::MatrixXi& F = m_F; // We rely on SLA model object having a single volume, // this way we can use that mesh directly. // This mesh does not account for the possible Z up SLA offset. m_mesh = &m_model_object->volumes.front()->mesh; const_cast(m_mesh)->require_shared_vertices(); // TriangleMeshSlicer needs this const stl_file& stl = m_mesh->stl; V.resize(3 * stl.stats.number_of_facets, 3); F.resize(stl.stats.number_of_facets, 3); for (unsigned int i=0; ivertex[0](0); V(3*i+0, 1) = facet->vertex[0](1); V(3*i+0, 2) = facet->vertex[0](2); V(3*i+1, 0) = facet->vertex[1](0); V(3*i+1, 1) = facet->vertex[1](1); V(3*i+1, 2) = facet->vertex[1](2); V(3*i+2, 0) = facet->vertex[2](0); V(3*i+2, 1) = facet->vertex[2](1); V(3*i+2, 2) = facet->vertex[2](2); F(i, 0) = 3*i+0; F(i, 1) = 3*i+1; F(i, 2) = 3*i+2; } m_current_mesh_model_id = m_model_object->id(); m_editing_mode = false; m_AABB = igl::AABB(); m_AABB.init(m_V, m_F); } // Unprojects the mouse position on the mesh and return the hit point and normal of the facet. // The function throws if no intersection if found. std::pair GLGizmoSlaSupports::unproject_on_mesh(const Vec2d& mouse_pos) { // if the gizmo doesn't have the V, F structures for igl, calculate them first: if (m_V.size() == 0) update_mesh(); const Camera& camera = m_parent.get_camera(); const std::array& viewport = camera.get_viewport(); const Transform3d& modelview_matrix = camera.get_view_matrix(); const Transform3d& projection_matrix = camera.get_projection_matrix(); Vec3d point1; Vec3d point2; ::gluUnProject(mouse_pos(0), viewport[3] - mouse_pos(1), 0.f, modelview_matrix.data(), projection_matrix.data(), viewport.data(), &point1(0), &point1(1), &point1(2)); ::gluUnProject(mouse_pos(0), viewport[3] - mouse_pos(1), 1.f, modelview_matrix.data(), projection_matrix.data(), viewport.data(), &point2(0), &point2(1), &point2(2)); std::vector hits; const Selection& selection = m_parent.get_selection(); const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin()); point1(2) -= m_z_shift; point2(2) -= m_z_shift; Transform3d inv = volume->get_instance_transformation().get_matrix().inverse(); point1 = inv * point1; point2 = inv * point2; if (!m_AABB.intersect_ray(m_V, m_F, point1.cast(), (point2-point1).cast(), hits)) throw std::invalid_argument("unproject_on_mesh(): No intersection found."); std::sort(hits.begin(), hits.end(), [](const igl::Hit& a, const igl::Hit& b) { return a.t < b.t; }); // Now let's iterate through the points and find the first that is not clipped: unsigned int i=0; Vec3f bc; Vec3f a; Vec3f b; Vec3f result; for (i=0; i())) break; } if (i==hits.size() || (hits.size()-i) % 2 != 0) { // All hits are either clipped, or there is an odd number of unclipped // hits - meaning the nearest must be from inside the mesh. throw std::invalid_argument("unproject_on_mesh(): No intersection found."); } // Calculate and return both the point and the facet normal. return std::make_pair( result, a.cross(b) ); } // Following function is called from GLCanvas3D to inform the gizmo about a mouse/keyboard event. // The gizmo has an opportunity to react - if it does, it should return true so that the Canvas3D is // aware that the event was reacted to and stops trying to make different sense of it. If the gizmo // concludes that the event was not intended for it, it should return false. bool GLGizmoSlaSupports::gizmo_event(SLAGizmoEventType action, const Vec2d& mouse_position, bool shift_down, bool alt_down, bool control_down) { if (m_editing_mode) { // left down with shift - show the selection rectangle: if (action == SLAGizmoEventType::LeftDown && (shift_down || alt_down || control_down)) { if (m_hover_id == -1) { if (shift_down || alt_down) { m_selection_rectangle.start_dragging(mouse_position, shift_down ? GLSelectionRectangle::Select : GLSelectionRectangle::Deselect); } } else { if (m_editing_mode_cache[m_hover_id].selected) unselect_point(m_hover_id); else { if (!alt_down) select_point(m_hover_id); } } return true; } // left down without selection rectangle - place point on the mesh: if (action == SLAGizmoEventType::LeftDown && !m_selection_rectangle.is_dragging() && !shift_down) { // If any point is in hover state, this should initiate its move - return control back to GLCanvas: if (m_hover_id != -1) return false; // If there is some selection, don't add new point and deselect everything instead. if (m_selection_empty) { try { std::pair pos_and_normal = unproject_on_mesh(mouse_position); // don't create anything if this throws m_editing_mode_cache.emplace_back(sla::SupportPoint(pos_and_normal.first, m_new_point_head_diameter/2.f, false), false, pos_and_normal.second); m_unsaved_changes = true; m_parent.set_as_dirty(); m_wait_for_up_event = true; } catch (...) { // not clicked on object return false; } } else select_point(NoPoints); return true; } // left up with selection rectangle - select points inside the rectangle: if ((action == SLAGizmoEventType::LeftUp || action == SLAGizmoEventType::ShiftUp || action == SLAGizmoEventType::AltUp) && m_selection_rectangle.is_dragging()) { // Is this a selection or deselection rectangle? GLSelectionRectangle::EState rectangle_status = m_selection_rectangle.get_state(); // First collect positions of all the points in world coordinates. const Transform3d& instance_matrix = m_model_object->instances[m_active_instance]->get_transformation().get_matrix(); std::vector points; for (unsigned int i=0; i()); points.back()(2) += m_z_shift; } // Now ask the rectangle which of the points are inside. const Camera& camera = m_parent.get_camera(); std::vector selected_idxs = m_selection_rectangle.stop_dragging(m_parent, points); // we'll recover current look direction (in world coords) and transform it to model coords. const Selection& selection = m_parent.get_selection(); const GLVolume* volume = selection.get_volume(*selection.get_volume_idxs().begin()); const Transform3d& instance_matrix_no_translation_no_scaling = volume->get_instance_transformation().get_matrix(true,false,true); Vec3f direction_to_camera = camera.get_dir_forward().cast(); Vec3f direction_to_camera_mesh = (instance_matrix_no_translation_no_scaling.inverse().cast() * direction_to_camera).normalized().eval(); Vec3f scaling = volume->get_instance_scaling_factor().cast(); direction_to_camera_mesh = Vec3f(direction_to_camera_mesh(0)*scaling(0), direction_to_camera_mesh(1)*scaling(1), direction_to_camera_mesh(2)*scaling(2)); // Iterate over all points in the rectangle and check that they are neither clipped by the // clipping plane nor obscured by the mesh. for (const unsigned int i : selected_idxs) { const sla::SupportPoint &support_point = m_editing_mode_cache[i].support_point; if (!is_point_clipped(support_point.pos.cast())) { bool is_obscured = false; // Cast a ray in the direction of the camera and look for intersection with the mesh: std::vector hits; // Offset the start of the ray to the front of the ball + EPSILON to account for numerical inaccuracies. if (m_AABB.intersect_ray(m_V, m_F, support_point.pos + direction_to_camera_mesh * (support_point.head_front_radius + EPSILON), direction_to_camera_mesh, hits)) { std::sort(hits.begin(), hits.end(), [](const igl::Hit& h1, const igl::Hit& h2) { return h1.t < h2.t; }); if (m_clipping_plane_distance != 0.f) { // If the closest hit facet normal points in the same direction as the ray, // we are looking through the mesh and should therefore discard the point: int fid = hits.front().id; // facet id Vec3f a = (m_V.row(m_F(fid, 1)) - m_V.row(m_F(fid, 0))); Vec3f b = (m_V.row(m_F(fid, 2)) - m_V.row(m_F(fid, 0))); if ((a.cross(b)).dot(direction_to_camera_mesh) > 0.f) is_obscured = true; // Eradicate all hits that are on clipped surfaces: for (unsigned int j=0; j())) { hits.erase(hits.begin()+j); --j; } } } // FIXME: the intersection could in theory be behind the camera, but as of now we only have camera direction. // Also, the threshold is in mesh coordinates, not in actual dimensions. if (!hits.empty()) is_obscured = true; } if (!is_obscured) { if (rectangle_status == GLSelectionRectangle::Deselect) unselect_point(i); else select_point(i); } } } return true; } // left up with no selection rectangle if (action == SLAGizmoEventType::LeftUp) { if (m_wait_for_up_event) { m_wait_for_up_event = false; return true; } } // dragging the selection rectangle: if (action == SLAGizmoEventType::Dragging) { if (m_wait_for_up_event) return true; // point has been placed and the button not released yet // this prevents GLCanvas from starting scene rotation if (m_selection_rectangle.is_dragging()) { m_selection_rectangle.dragging(mouse_position); return true; } return false; } if (action == SLAGizmoEventType::Delete) { // delete key pressed delete_selected_points(); return true; } if (action == SLAGizmoEventType::ApplyChanges) { editing_mode_apply_changes(); return true; } if (action == SLAGizmoEventType::DiscardChanges) { editing_mode_discard_changes(); return true; } if (action == SLAGizmoEventType::RightDown) { if (m_hover_id != -1) { select_point(NoPoints); select_point(m_hover_id); delete_selected_points(); return true; } return false; } if (action == SLAGizmoEventType::SelectAll) { select_point(AllPoints); return true; } } if (!m_editing_mode) { if (action == SLAGizmoEventType::AutomaticGeneration) { auto_generate(); return true; } if (action == SLAGizmoEventType::ManualEditing) { switch_to_editing_mode(); return true; } } if (action == SLAGizmoEventType::MouseWheelUp && control_down) { m_clipping_plane_distance = std::min(1.f, m_clipping_plane_distance + 0.01f); m_parent.set_as_dirty(); return true; } if (action == SLAGizmoEventType::MouseWheelDown && control_down) { m_clipping_plane_distance = std::max(0.f, m_clipping_plane_distance - 0.01f); m_parent.set_as_dirty(); return true; } if (action == SLAGizmoEventType::ResetClippingPlane) { reset_clipping_plane_normal(); return true; } return false; } void GLGizmoSlaSupports::delete_selected_points(bool force) { for (unsigned int idx=0; idxreslice_SLA_supports(*m_model_object); } select_point(NoPoints); //m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS)); } void GLGizmoSlaSupports::on_update(const UpdateData& data, const Selection& selection) { if (m_editing_mode && m_hover_id != -1 && data.mouse_pos && (!m_editing_mode_cache[m_hover_id].support_point.is_new_island || !m_lock_unique_islands)) { std::pair pos_and_normal; try { pos_and_normal = unproject_on_mesh(Vec2d((*data.mouse_pos)(0), (*data.mouse_pos)(1))); } catch (...) { return; } m_editing_mode_cache[m_hover_id].support_point.pos = pos_and_normal.first; m_editing_mode_cache[m_hover_id].support_point.is_new_island = false; m_editing_mode_cache[m_hover_id].normal = pos_and_normal.second; m_unsaved_changes = true; // Do not update immediately, wait until the mouse is released. // m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS)); } } std::vector GLGizmoSlaSupports::get_config_options(const std::vector& keys) const { std::vector out; if (!m_model_object) return out; const DynamicPrintConfig& object_cfg = m_model_object->config; const DynamicPrintConfig& print_cfg = wxGetApp().preset_bundle->sla_prints.get_edited_preset().config; std::unique_ptr default_cfg = nullptr; for (const std::string& key : keys) { if (object_cfg.has(key)) out.push_back(object_cfg.option(key)); else if (print_cfg.has(key)) out.push_back(print_cfg.option(key)); else { // we must get it from defaults if (default_cfg == nullptr) default_cfg.reset(DynamicPrintConfig::new_from_defaults_keys(keys)); out.push_back(default_cfg->option(key)); } } return out; } void GLGizmoSlaSupports::update_cache_entry_normal(unsigned int i) const { int idx = 0; Eigen::Matrix pp = m_editing_mode_cache[i].support_point.pos; Eigen::Matrix cc; m_AABB.squared_distance(m_V, m_F, pp, idx, cc); Vec3f a = (m_V.row(m_F(idx, 1)) - m_V.row(m_F(idx, 0))); Vec3f b = (m_V.row(m_F(idx, 2)) - m_V.row(m_F(idx, 0))); m_editing_mode_cache[i].normal = a.cross(b); } ClippingPlane GLGizmoSlaSupports::get_sla_clipping_plane() const { if (!m_model_object || m_state == Off) return ClippingPlane::ClipsNothing(); //Eigen::Matrix modelview_matrix; //::glGetDoublev(GL_MODELVIEW_MATRIX, modelview_matrix.data()); // we'll recover current look direction from the modelview matrix (in world coords): //Vec3d direction_to_camera(modelview_matrix.data()[2], modelview_matrix.data()[6], modelview_matrix.data()[10]); const Vec3d& direction_to_camera = m_clipping_plane_normal; float dist = direction_to_camera.dot(m_model_object->instances[m_active_instance]->get_offset() + Vec3d(0., 0., m_z_shift)); return ClippingPlane(-direction_to_camera.normalized(),(dist - (-m_active_instance_bb_radius) - m_clipping_plane_distance * 2*m_active_instance_bb_radius)); } /* void GLGizmoSlaSupports::find_intersecting_facets(const igl::AABB* aabb, const Vec3f& normal, double offset, std::vector& idxs) const { if (aabb->is_leaf()) { // this is a facet // corner.dot(normal) - offset idxs.push_back(aabb->m_primitive); } else { // not a leaf using CornerType = Eigen::AlignedBox::CornerType; bool sign = std::signbit(offset - normal.dot(aabb->m_box.corner(CornerType(0)))); for (unsigned int i=1; i<8; ++i) if (std::signbit(offset - normal.dot(aabb->m_box.corner(CornerType(i)))) != sign) { find_intersecting_facets(aabb->m_left, normal, offset, idxs); find_intersecting_facets(aabb->m_right, normal, offset, idxs); } } } void GLGizmoSlaSupports::make_line_segments() const { TriangleMeshSlicer tms(&m_model_object->volumes.front()->mesh); Vec3f normal(0.f, 1.f, 1.f); double d = 0.; std::vector lines; find_intersections(&m_AABB, normal, d, lines); ExPolygons expolys; tms.make_expolygons_simple(lines, &expolys); SVG svg("slice_loops.svg", get_extents(expolys)); svg.draw(expolys); //for (const IntersectionLine &l : lines[i]) // svg.draw(l, "red", 0); //svg.draw_outline(expolygons, "black", "blue", 0); svg.Close(); } */ void GLGizmoSlaSupports::on_render_input_window(float x, float y, float bottom_limit, const Selection& selection) { if (!m_model_object) return; bool first_run = true; // This is a hack to redraw the button when all points are removed, // so it is not delayed until the background process finishes. RENDER_AGAIN: //m_imgui->set_next_window_pos(x, y, ImGuiCond_Always); //const ImVec2 window_size(m_imgui->scaled(18.f, 16.f)); //ImGui::SetNextWindowPos(ImVec2(x, y - std::max(0.f, y+window_size.y-bottom_limit) )); //ImGui::SetNextWindowSize(ImVec2(window_size)); const float approx_height = m_imgui->scaled(18.0f); y = std::min(y, bottom_limit - approx_height); m_imgui->set_next_window_pos(x, y, ImGuiCond_Always); m_imgui->set_next_window_bg_alpha(0.5f); m_imgui->begin(on_get_name(), ImGuiWindowFlags_NoMove | ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoCollapse); ImGui::PushItemWidth(m_imgui->scaled(5.55f)); bool force_refresh = false; bool remove_selected = false; bool remove_all = false; if (m_editing_mode) { float diameter_upper_cap = static_cast(wxGetApp().preset_bundle->sla_prints.get_edited_preset().config.option("support_pillar_diameter"))->value; if (m_new_point_head_diameter > diameter_upper_cap) m_new_point_head_diameter = diameter_upper_cap; m_imgui->text(_(L("Head diameter: "))); ImGui::SameLine(m_imgui->scaled(6.66f)); ImGui::PushItemWidth(m_imgui->scaled(8.33f)); if (ImGui::SliderFloat("", &m_new_point_head_diameter, 0.1f, diameter_upper_cap, "%.1f")) { // value was changed for (auto& cache_entry : m_editing_mode_cache) if (cache_entry.selected) { cache_entry.support_point.head_front_radius = m_new_point_head_diameter / 2.f; m_unsaved_changes = true; } } bool changed = m_lock_unique_islands; m_imgui->checkbox(_(L("Lock supports under new islands")), m_lock_unique_islands); force_refresh |= changed != m_lock_unique_islands; m_imgui->disabled_begin(m_selection_empty); remove_selected = m_imgui->button(_(L("Remove selected points"))); m_imgui->disabled_end(); m_imgui->disabled_begin(m_editing_mode_cache.empty()); remove_all = m_imgui->button(_(L("Remove all points"))); m_imgui->disabled_end(); m_imgui->text(" "); // vertical gap if (m_imgui->button(_(L("Apply changes")))) { editing_mode_apply_changes(); force_refresh = true; } ImGui::SameLine(); bool discard_changes = m_imgui->button(_(L("Discard changes"))); if (discard_changes) { editing_mode_discard_changes(); force_refresh = true; } } else { // not in editing mode: ImGui::PushItemWidth(m_imgui->scaled(5.55f)); m_imgui->text(_(L("Minimal points distance: "))); ImGui::SameLine(m_imgui->scaled(9.44f)); std::vector opts = get_config_options({"support_points_density_relative", "support_points_minimal_distance"}); float density = static_cast(opts[0])->value; float minimal_point_distance = static_cast(opts[1])->value; bool value_changed = ImGui::SliderFloat("", &minimal_point_distance, 0.f, 20.f, "%.f mm"); if (value_changed) m_model_object->config.opt("support_points_minimal_distance", true)->value = minimal_point_distance; m_imgui->text(_(L("Support points density: "))); ImGui::SameLine(m_imgui->scaled(9.44f)); if (ImGui::SliderFloat(" ", &density, 0.f, 200.f, "%.f %%")) { value_changed = true; m_model_object->config.opt("support_points_density_relative", true)->value = (int)density; } if (value_changed) { // Update side panel wxTheApp->CallAfter([]() { wxGetApp().obj_settings()->UpdateAndShow(true); wxGetApp().obj_list()->update_settings_items(); }); } bool generate = m_imgui->button(_(L("Auto-generate points"))); if (generate) auto_generate(); m_imgui->text(""); if (m_imgui->button(_(L("Manual editing")))) switch_to_editing_mode(); m_imgui->disabled_begin(m_editing_mode_cache.empty()); remove_all = m_imgui->button(_(L("Remove all points"))); m_imgui->disabled_end(); // m_imgui->text(""); // m_imgui->text(m_model_object->sla_points_status == sla::PointsStatus::None ? _(L("No points (will be autogenerated)")) : // (m_model_object->sla_points_status == sla::PointsStatus::AutoGenerated ? _(L("Autogenerated points (no modifications)")) : // (m_model_object->sla_points_status == sla::PointsStatus::UserModified ? _(L("User-modified points")) : // (m_model_object->sla_points_status == sla::PointsStatus::Generating ? _(L("Generation in progress...")) : "UNKNOWN STATUS")))); } // Following is rendered in both editing and non-editing mode: m_imgui->text(""); if (m_clipping_plane_distance == 0.f) m_imgui->text("Clipping of view: "); else { if (m_imgui->button(_(L("Reset direction")))) { wxGetApp().CallAfter([this](){ reset_clipping_plane_normal(); }); } } ImGui::SameLine(m_imgui->scaled(6.66f)); ImGui::PushItemWidth(m_imgui->scaled(8.33f)); ImGui::SliderFloat(" ", &m_clipping_plane_distance, 0.f, 1.f, "%.2f"); if (m_imgui->button("?")) { wxGetApp().CallAfter([]() { SlaGizmoHelpDialog help_dlg; help_dlg.ShowModal(); }); } m_imgui->end(); if (m_editing_mode != m_old_editing_state) { // user toggled between editing/non-editing mode m_parent.toggle_sla_auxiliaries_visibility(!m_editing_mode, m_model_object, m_active_instance); force_refresh = true; } m_old_editing_state = m_editing_mode; if (remove_selected || remove_all) { force_refresh = false; m_parent.set_as_dirty(); if (remove_all) select_point(AllPoints); delete_selected_points(remove_all); if (remove_all && !m_editing_mode) editing_mode_apply_changes(); if (first_run) { first_run = false; goto RENDER_AGAIN; } } if (force_refresh) m_parent.set_as_dirty(); } bool GLGizmoSlaSupports::on_is_activable(const Selection& selection) const { if (wxGetApp().preset_bundle->printers.get_edited_preset().printer_technology() != ptSLA || !selection.is_from_single_instance()) return false; // Check that none of the selected volumes is outside. Only SLA auxiliaries (supports) are allowed outside. const Selection::IndicesList& list = selection.get_volume_idxs(); for (const auto& idx : list) if (selection.get_volume(idx)->is_outside && selection.get_volume(idx)->composite_id.volume_id >= 0) return false; return true; } bool GLGizmoSlaSupports::on_is_selectable() const { return (wxGetApp().preset_bundle->printers.get_edited_preset().printer_technology() == ptSLA); } std::string GLGizmoSlaSupports::on_get_name() const { return L("SLA Support Points [L]"); } void GLGizmoSlaSupports::on_set_state() { if (m_state == On && m_old_state != On) { // the gizmo was just turned on if (is_mesh_update_necessary()) update_mesh(); // we'll now reload support points: if (m_model_object) editing_mode_reload_cache(); m_parent.toggle_model_objects_visibility(false); if (m_model_object) m_parent.toggle_model_objects_visibility(true, m_model_object, m_active_instance); // Set default head diameter from config. const DynamicPrintConfig& cfg = wxGetApp().preset_bundle->sla_prints.get_edited_preset().config; m_new_point_head_diameter = static_cast(cfg.option("support_head_front_diameter"))->value; } if (m_state == Off && m_old_state != Off) { // the gizmo was just turned Off wxGetApp().CallAfter([this]() { // Following is called through CallAfter, because otherwise there was a problem // on OSX with the wxMessageDialog being shown several times when clicked into. if (m_model_object) { if (m_unsaved_changes) { wxMessageDialog dlg(GUI::wxGetApp().mainframe, _(L("Do you want to save your manually edited support points ?\n")), _(L("Save changes?")), wxICON_QUESTION | wxYES | wxNO); if (dlg.ShowModal() == wxID_YES) editing_mode_apply_changes(); else editing_mode_discard_changes(); } } m_parent.toggle_model_objects_visibility(true); m_editing_mode = false; // so it is not active next time the gizmo opens m_editing_mode_cache.clear(); m_clipping_plane_distance = 0.f; // Release triangle mesh slicer and the AABB spatial search structure. m_AABB.deinit(); m_V = Eigen::MatrixXf(); m_F = Eigen::MatrixXi(); m_tms.reset(); m_supports_tms.reset(); }); } m_old_state = m_state; } void GLGizmoSlaSupports::on_start_dragging(const Selection& selection) { if (m_hover_id != -1) { select_point(NoPoints); select_point(m_hover_id); } } void GLGizmoSlaSupports::select_point(int i) { if (i == AllPoints || i == NoPoints) { for (auto& point_and_selection : m_editing_mode_cache) point_and_selection.selected = ( i == AllPoints ); m_selection_empty = (i == NoPoints); if (i == AllPoints) m_new_point_head_diameter = m_editing_mode_cache[0].support_point.head_front_radius * 2.f; } else { m_editing_mode_cache[i].selected = true; m_selection_empty = false; m_new_point_head_diameter = m_editing_mode_cache[i].support_point.head_front_radius * 2.f; } } void GLGizmoSlaSupports::unselect_point(int i) { m_editing_mode_cache[i].selected = false; m_selection_empty = true; for (const CacheEntry& ce : m_editing_mode_cache) { if (ce.selected) { m_selection_empty = false; break; } } } void GLGizmoSlaSupports::editing_mode_discard_changes() { // If the points were autogenerated, they may not be on the ModelObject yet. // Because the user probably messed with the cache, we will get the data // from the backend again. if (m_model_object->sla_points_status == sla::PointsStatus::AutoGenerated) get_data_from_backend(); else { m_editing_mode_cache.clear(); for (const sla::SupportPoint& point : m_model_object->sla_support_points) m_editing_mode_cache.emplace_back(point, false); } m_editing_mode = false; m_unsaved_changes = false; } void GLGizmoSlaSupports::editing_mode_apply_changes() { // If there are no changes, don't touch the front-end. The data in the cache could have been // taken from the backend and copying them to ModelObject would needlessly invalidate them. if (m_unsaved_changes) { m_model_object->sla_points_status = sla::PointsStatus::UserModified; m_model_object->sla_support_points.clear(); for (const CacheEntry& cache_entry : m_editing_mode_cache) m_model_object->sla_support_points.push_back(cache_entry.support_point); // Recalculate support structures once the editing mode is left. // m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS)); // m_parent.post_event(SimpleEvent(EVT_GLCANVAS_SCHEDULE_BACKGROUND_PROCESS)); wxGetApp().CallAfter([this]() { wxGetApp().plater()->reslice_SLA_supports(*m_model_object); }); } m_editing_mode = false; m_unsaved_changes = false; } void GLGizmoSlaSupports::editing_mode_reload_cache() { m_editing_mode_cache.clear(); for (const sla::SupportPoint& point : m_model_object->sla_support_points) m_editing_mode_cache.emplace_back(point, false); m_unsaved_changes = false; } void GLGizmoSlaSupports::get_data_from_backend() { for (const SLAPrintObject* po : m_parent.sla_print()->objects()) { if (po->model_object()->id() == m_model_object->id() && po->is_step_done(slaposSupportPoints)) { m_editing_mode_cache.clear(); const std::vector& points = po->get_support_points(); auto mat = po->trafo().inverse().cast(); for (unsigned int i=0; isla_points_status != sla::PointsStatus::UserModified) m_model_object->sla_points_status = sla::PointsStatus::AutoGenerated; break; } } m_unsaved_changes = false; // We don't copy the data into ModelObject, as this would stop the background processing. } void GLGizmoSlaSupports::auto_generate() { wxMessageDialog dlg(GUI::wxGetApp().plater(), _(L( "Autogeneration will erase all manually edited points.\n\n" "Are you sure you want to do it?\n" )), _(L("Warning")), wxICON_WARNING | wxYES | wxNO); if (m_model_object->sla_points_status != sla::PointsStatus::UserModified || m_editing_mode_cache.empty() || dlg.ShowModal() == wxID_YES) { m_model_object->sla_support_points.clear(); m_model_object->sla_points_status = sla::PointsStatus::Generating; m_editing_mode_cache.clear(); wxGetApp().CallAfter([this]() { wxGetApp().plater()->reslice_SLA_supports(*m_model_object); }); } } void GLGizmoSlaSupports::switch_to_editing_mode() { if (m_model_object->sla_points_status != sla::PointsStatus::AutoGenerated) editing_mode_reload_cache(); m_unsaved_changes = false; m_editing_mode = true; } void GLGizmoSlaSupports::reset_clipping_plane_normal() const { Eigen::Matrix modelview_matrix; ::glGetDoublev(GL_MODELVIEW_MATRIX, modelview_matrix.data()); m_clipping_plane_normal = Vec3d(modelview_matrix.data()[2], modelview_matrix.data()[6], modelview_matrix.data()[10]); m_parent.set_as_dirty(); } SlaGizmoHelpDialog::SlaGizmoHelpDialog() : wxDialog(NULL, wxID_ANY, _(L("SLA gizmo keyboard shortcuts")), wxDefaultPosition, wxDefaultSize, wxDEFAULT_DIALOG_STYLE|wxRESIZE_BORDER) { SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW)); const std::string &ctrl = GUI::shortkey_ctrl_prefix(); const std::string &alt = GUI::shortkey_alt_prefix(); // fonts const wxFont& font = wxGetApp().small_font(); const wxFont& bold_font = wxGetApp().bold_font(); auto note_text = new wxStaticText(this, wxID_ANY, "Note: some shortcuts work in (non)editing mode only."); note_text->SetFont(font); auto vsizer = new wxBoxSizer(wxVERTICAL); auto gridsizer = new wxFlexGridSizer(2, 5, 15); auto hsizer = new wxBoxSizer(wxHORIZONTAL); hsizer->AddSpacer(20); hsizer->Add(vsizer); hsizer->AddSpacer(20); vsizer->AddSpacer(20); vsizer->Add(note_text, 1, wxALIGN_CENTRE_HORIZONTAL); vsizer->AddSpacer(20); vsizer->Add(gridsizer); vsizer->AddSpacer(20); std::vector> shortcuts; shortcuts.push_back(std::make_pair("Left click", _(L("Add point")))); shortcuts.push_back(std::make_pair("Right click", _(L("Remove point")))); shortcuts.push_back(std::make_pair("Drag", _(L("Move point")))); shortcuts.push_back(std::make_pair(ctrl+"Left click", _(L("Add point to selection")))); shortcuts.push_back(std::make_pair(alt+"Left click", _(L("Remove point from selection")))); shortcuts.push_back(std::make_pair("Shift+drag", _(L("Select by rectangle")))); shortcuts.push_back(std::make_pair(alt+"drag", _(L("Deselect by rectangle")))); shortcuts.push_back(std::make_pair(ctrl+"A", _(L("Select all points")))); shortcuts.push_back(std::make_pair("Delete", _(L("Remove selected points")))); shortcuts.push_back(std::make_pair(ctrl+"mouse wheel", _(L("Move clipping plane")))); shortcuts.push_back(std::make_pair("R", _(L("Reset clipping plane")))); shortcuts.push_back(std::make_pair("Enter", _(L("Apply changes")))); shortcuts.push_back(std::make_pair("Esc", _(L("Discard changes")))); shortcuts.push_back(std::make_pair("M", _(L("Switch to editing mode")))); shortcuts.push_back(std::make_pair("A", _(L("Auto-generate points")))); for (const auto& pair : shortcuts) { auto shortcut = new wxStaticText(this, wxID_ANY, pair.first); auto desc = new wxStaticText(this, wxID_ANY, pair.second); shortcut->SetFont(bold_font); desc->SetFont(font); gridsizer->Add(shortcut, -1, wxALIGN_CENTRE_VERTICAL); gridsizer->Add(desc, -1, wxALIGN_CENTRE_VERTICAL); } SetSizer(hsizer); hsizer->SetSizeHints(this); } } // namespace GUI } // namespace Slic3r