diff options
Diffstat (limited to 'src/slic3r/GUI/Gizmos/GLGizmoCut.cpp')
| -rw-r--r-- | src/slic3r/GUI/Gizmos/GLGizmoCut.cpp | 832 |
1 files changed, 416 insertions, 416 deletions
diff --git a/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp b/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp index 9a87d5a45..dfad3817c 100644 --- a/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp +++ b/src/slic3r/GUI/Gizmos/GLGizmoCut.cpp @@ -1,416 +1,416 @@ -// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro. -#include "GLGizmoCut.hpp" -#include "slic3r/GUI/GLCanvas3D.hpp" - -#include <GL/glew.h> - -#include <wx/button.h> -#include <wx/checkbox.h> -#include <wx/stattext.h> -#include <wx/sizer.h> - -#include <algorithm> - -#include "slic3r/GUI/GUI_App.hpp" -#include "slic3r/GUI/Plater.hpp" -#include "slic3r/GUI/GUI_ObjectManipulation.hpp" -#include "libslic3r/AppConfig.hpp" -#include "libslic3r/Model.hpp" -#include "libslic3r/TriangleMeshSlicer.hpp" - -namespace Slic3r { -namespace GUI { - -const double GLGizmoCut::Offset = 10.0; -const double GLGizmoCut::Margin = 20.0; -static const ColorRGBA GRABBER_COLOR = ColorRGBA::ORANGE(); - -GLGizmoCut::GLGizmoCut(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id) - : GLGizmoBase(parent, icon_filename, sprite_id) -{} - -std::string GLGizmoCut::get_tooltip() const -{ - double cut_z = m_cut_z; - if (wxGetApp().app_config->get("use_inches") == "1") - cut_z *= ObjectManipulation::mm_to_in; - - return (m_hover_id == 0 || m_grabbers[0].dragging) ? "Z: " + format(cut_z, 2) : ""; -} - -bool GLGizmoCut::on_mouse(const wxMouseEvent &mouse_event) -{ - return use_grabbers(mouse_event); -} - -bool GLGizmoCut::on_init() -{ - m_grabbers.emplace_back(); - m_shortcut_key = WXK_CONTROL_C; - return true; -} - -std::string GLGizmoCut::on_get_name() const -{ - return _u8L("Cut"); -} - -void GLGizmoCut::on_set_state() -{ - // Reset m_cut_z on gizmo activation - if (m_state == On) - m_cut_z = bounding_box().center().z(); -} - -bool GLGizmoCut::on_is_activable() const -{ - const Selection& selection = m_parent.get_selection(); - return selection.is_single_full_instance() && !selection.is_wipe_tower(); -} - -void GLGizmoCut::on_start_dragging() -{ - if (m_hover_id == -1) - return; - - const BoundingBoxf3 box = bounding_box(); - m_max_z = box.max.z(); - m_start_z = m_cut_z; - m_drag_pos = m_grabbers[m_hover_id].center; - m_drag_center = box.center(); - m_drag_center.z() = m_cut_z; -} - -void GLGizmoCut::on_dragging(const UpdateData &data) -{ - assert(m_hover_id != -1); - set_cut_z(m_start_z + calc_projection(data.mouse_ray)); -} - -void GLGizmoCut::on_render() -{ - const BoundingBoxf3 box = bounding_box(); - Vec3d plane_center = box.center(); - plane_center.z() = m_cut_z; - m_max_z = box.max.z(); - set_cut_z(m_cut_z); - - update_contours(); - - const float min_x = box.min.x() - Margin; - const float max_x = box.max.x() + Margin; - const float min_y = box.min.y() - Margin; - const float max_y = box.max.y() + Margin; - glsafe(::glEnable(GL_DEPTH_TEST)); - glsafe(::glDisable(GL_CULL_FACE)); - glsafe(::glEnable(GL_BLEND)); - glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)); - -#if ENABLE_LEGACY_OPENGL_REMOVAL - GLShaderProgram* shader = wxGetApp().get_shader("flat"); - if (shader != nullptr) { - shader->start_using(); - const Vec3d diff = plane_center - m_old_center; - // Z changed when move with cut plane - // X and Y changed when move with cutted object - bool is_changed = std::abs(diff.x()) > EPSILON || - std::abs(diff.y()) > EPSILON || - std::abs(diff.z()) > EPSILON; - m_old_center = plane_center; - - if (!m_plane.is_initialized() || is_changed) { - m_plane.reset(); - - GLModel::Geometry init_data; - init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3 }; - init_data.color = { 0.8f, 0.8f, 0.8f, 0.5f }; - init_data.reserve_vertices(4); - init_data.reserve_indices(6); - - // vertices - init_data.add_vertex(Vec3f(min_x, min_y, plane_center.z())); - init_data.add_vertex(Vec3f(max_x, min_y, plane_center.z())); - init_data.add_vertex(Vec3f(max_x, max_y, plane_center.z())); - init_data.add_vertex(Vec3f(min_x, max_y, plane_center.z())); - - // indices - init_data.add_triangle(0, 1, 2); - init_data.add_triangle(2, 3, 0); - - m_plane.init_from(std::move(init_data)); - } - -#if ENABLE_GL_SHADERS_ATTRIBUTES - const Camera& camera = wxGetApp().plater()->get_camera(); - shader->set_uniform("view_model_matrix", camera.get_view_matrix()); - shader->set_uniform("projection_matrix", camera.get_projection_matrix()); -#endif // ENABLE_GL_SHADERS_ATTRIBUTES - - m_plane.render(); -#else - // Draw the cutting plane - ::glBegin(GL_QUADS); - ::glColor4f(0.8f, 0.8f, 0.8f, 0.5f); - ::glVertex3f(min_x, min_y, plane_center.z()); - ::glVertex3f(max_x, min_y, plane_center.z()); - ::glVertex3f(max_x, max_y, plane_center.z()); - ::glVertex3f(min_x, max_y, plane_center.z()); - glsafe(::glEnd()); -#endif // ENABLE_LEGACY_OPENGL_REMOVAL - - glsafe(::glEnable(GL_CULL_FACE)); - glsafe(::glDisable(GL_BLEND)); - - // Draw the grabber and the connecting line - m_grabbers[0].center = plane_center; - m_grabbers[0].center.z() = plane_center.z() + Offset; - - glsafe(::glClear(GL_DEPTH_BUFFER_BIT)); - - glsafe(::glLineWidth(m_hover_id != -1 ? 2.0f : 1.5f)); -#if ENABLE_LEGACY_OPENGL_REMOVAL - if (!m_grabber_connection.is_initialized() || is_changed) { - m_grabber_connection.reset(); - - GLModel::Geometry init_data; - init_data.format = { GLModel::Geometry::EPrimitiveType::Lines, GLModel::Geometry::EVertexLayout::P3 }; - init_data.color = ColorRGBA::YELLOW(); - init_data.reserve_vertices(2); - init_data.reserve_indices(2); - - // vertices - init_data.add_vertex((Vec3f)plane_center.cast<float>()); - init_data.add_vertex((Vec3f)m_grabbers[0].center.cast<float>()); - - // indices - init_data.add_line(0, 1); - - m_grabber_connection.init_from(std::move(init_data)); - } - - m_grabber_connection.render(); - - shader->stop_using(); - } - - shader = wxGetApp().get_shader("gouraud_light"); -#else - glsafe(::glColor3f(1.0, 1.0, 0.0)); - ::glBegin(GL_LINES); - ::glVertex3dv(plane_center.data()); - ::glVertex3dv(m_grabbers[0].center.data()); - glsafe(::glEnd()); - - GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light"); -#endif // ENABLE_LEGACY_OPENGL_REMOVAL - if (shader != nullptr) { - shader->start_using(); - shader->set_uniform("emission_factor", 0.1f); - - m_grabbers[0].color = GRABBER_COLOR; - m_grabbers[0].render(m_hover_id == 0, float((box.size().x() + box.size().y() + box.size().z()) / 3.0)); - - shader->stop_using(); - } - -#if ENABLE_LEGACY_OPENGL_REMOVAL - shader = wxGetApp().get_shader("flat"); - if (shader != nullptr) { - shader->start_using(); -#endif // ENABLE_LEGACY_OPENGL_REMOVAL -#if ENABLE_GL_SHADERS_ATTRIBUTES - const Camera& camera = wxGetApp().plater()->get_camera(); - shader->set_uniform("view_model_matrix", camera.get_view_matrix()* Geometry::assemble_transform(m_cut_contours.shift)); - shader->set_uniform("projection_matrix", camera.get_projection_matrix()); -#else - glsafe(::glPushMatrix()); - glsafe(::glTranslated(m_cut_contours.shift.x(), m_cut_contours.shift.y(), m_cut_contours.shift.z())); -#endif // ENABLE_GL_SHADERS_ATTRIBUTES - glsafe(::glLineWidth(2.0f)); - m_cut_contours.contours.render(); -#if !ENABLE_GL_SHADERS_ATTRIBUTES - glsafe(::glPopMatrix()); -#endif // !ENABLE_GL_SHADERS_ATTRIBUTES -#if ENABLE_LEGACY_OPENGL_REMOVAL - shader->stop_using(); - } -#endif // ENABLE_LEGACY_OPENGL_REMOVAL - } - -void GLGizmoCut::on_render_for_picking() -{ - glsafe(::glDisable(GL_DEPTH_TEST)); - render_grabbers_for_picking(m_parent.get_selection().get_bounding_box()); -} - -void GLGizmoCut::on_render_input_window(float x, float y, float bottom_limit) -{ - static float last_y = 0.0f; - static float last_h = 0.0f; - - m_imgui->begin(_L("Cut"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse); - - const bool imperial_units = wxGetApp().app_config->get("use_inches") == "1"; - - // adjust window position to avoid overlap the view toolbar - const float win_h = ImGui::GetWindowHeight(); - y = std::min(y, bottom_limit - win_h); - ImGui::SetWindowPos(ImVec2(x, y), ImGuiCond_Always); - if (last_h != win_h || last_y != y) { - // ask canvas for another frame to render the window in the correct position - m_imgui->set_requires_extra_frame(); - if (last_h != win_h) - last_h = win_h; - if (last_y != y) - last_y = y; - } - - ImGui::AlignTextToFramePadding(); - m_imgui->text("Z"); - ImGui::SameLine(); - ImGui::PushItemWidth(m_imgui->get_style_scaling() * 150.0f); - - double cut_z = m_cut_z; - if (imperial_units) - cut_z *= ObjectManipulation::mm_to_in; - ImGui::InputDouble("", &cut_z, 0.0f, 0.0f, "%.2f", ImGuiInputTextFlags_CharsDecimal); - - ImGui::SameLine(); - m_imgui->text(imperial_units ? _L("in") : _L("mm")); - - m_cut_z = cut_z * (imperial_units ? ObjectManipulation::in_to_mm : 1.0); - - ImGui::Separator(); - - m_imgui->checkbox(_L("Keep upper part"), m_keep_upper); - m_imgui->checkbox(_L("Keep lower part"), m_keep_lower); - m_imgui->checkbox(_L("Rotate lower part upwards"), m_rotate_lower); - - ImGui::Separator(); - - m_imgui->disabled_begin((!m_keep_upper && !m_keep_lower) || m_cut_z <= 0.0 || m_max_z <= m_cut_z); - const bool cut_clicked = m_imgui->button(_L("Perform cut")); - m_imgui->disabled_end(); - - m_imgui->end(); - - if (cut_clicked && (m_keep_upper || m_keep_lower)) - perform_cut(m_parent.get_selection()); -} - -void GLGizmoCut::set_cut_z(double cut_z) -{ - // Clamp the plane to the object's bounding box - m_cut_z = std::clamp(cut_z, 0.0, m_max_z); -} - -void GLGizmoCut::perform_cut(const Selection& selection) -{ - const int instance_idx = selection.get_instance_idx(); - const int object_idx = selection.get_object_idx(); - - wxCHECK_RET(instance_idx >= 0 && object_idx >= 0, "GLGizmoCut: Invalid object selection"); - - // m_cut_z is the distance from the bed. Subtract possible SLA elevation. - const GLVolume* first_glvolume = selection.get_volume(*selection.get_volume_idxs().begin()); - const double object_cut_z = m_cut_z - first_glvolume->get_sla_shift_z(); - - if (0.0 < object_cut_z && object_cut_z < m_max_z) - wxGetApp().plater()->cut(object_idx, instance_idx, object_cut_z, - only_if(m_keep_upper, ModelObjectCutAttribute::KeepUpper) | - only_if(m_keep_lower, ModelObjectCutAttribute::KeepLower) | - only_if(m_rotate_lower, ModelObjectCutAttribute::FlipLower)); - else { - // the object is SLA-elevated and the plane is under it. - } -} - -double GLGizmoCut::calc_projection(const Linef3& mouse_ray) const -{ - double projection = 0.0; - - const Vec3d starting_vec = m_drag_pos - m_drag_center; - const double len_starting_vec = starting_vec.norm(); - if (len_starting_vec != 0.0) { - const Vec3d mouse_dir = mouse_ray.unit_vector(); - // finds the intersection of the mouse ray with the plane parallel to the camera viewport and passing throught the starting position - // use ray-plane intersection see i.e. https://en.wikipedia.org/wiki/Line%E2%80%93plane_intersection algebric form - // in our case plane normal and ray direction are the same (orthogonal view) - // when moving to perspective camera the negative z unit axis of the camera needs to be transformed in world space and used as plane normal - const Vec3d inters = mouse_ray.a + (m_drag_pos - mouse_ray.a).dot(mouse_dir) / mouse_dir.squaredNorm() * mouse_dir; - // vector from the starting position to the found intersection - const Vec3d inters_vec = inters - m_drag_pos; - - // finds projection of the vector along the staring direction - projection = inters_vec.dot(starting_vec.normalized()); - } - return projection; -} - -BoundingBoxf3 GLGizmoCut::bounding_box() const -{ - BoundingBoxf3 ret; - const Selection& selection = m_parent.get_selection(); - const Selection::IndicesList& idxs = selection.get_volume_idxs(); - return selection.get_bounding_box(); - - for (unsigned int i : idxs) { - const GLVolume* volume = selection.get_volume(i); - if (!volume->is_modifier) - ret.merge(volume->transformed_convex_hull_bounding_box()); - } - return ret; -} - -void GLGizmoCut::update_contours() -{ - const Selection& selection = m_parent.get_selection(); - const GLVolume* first_glvolume = selection.get_volume(*selection.get_volume_idxs().begin()); - const BoundingBoxf3& box = first_glvolume->transformed_convex_hull_bounding_box(); - - const ModelObject* model_object = wxGetApp().model().objects[selection.get_object_idx()]; - const int instance_idx = selection.get_instance_idx(); - std::vector<ObjectID> volumes_idxs = std::vector<ObjectID>(model_object->volumes.size()); - for (size_t i = 0; i < model_object->volumes.size(); ++i) { - volumes_idxs[i] = model_object->volumes[i]->id(); - } - - if (0.0 < m_cut_z && m_cut_z < m_max_z) { - if (m_cut_contours.cut_z != m_cut_z || m_cut_contours.object_id != model_object->id() || - m_cut_contours.instance_idx != instance_idx || m_cut_contours.volumes_idxs != volumes_idxs) { - m_cut_contours.cut_z = m_cut_z; - - if (m_cut_contours.object_id != model_object->id() || m_cut_contours.volumes_idxs != volumes_idxs) - m_cut_contours.mesh = model_object->raw_mesh(); - - m_cut_contours.position = box.center(); - m_cut_contours.shift = Vec3d::Zero(); - m_cut_contours.object_id = model_object->id(); - m_cut_contours.instance_idx = instance_idx; - m_cut_contours.volumes_idxs = volumes_idxs; - m_cut_contours.contours.reset(); - - MeshSlicingParams slicing_params; - slicing_params.trafo = first_glvolume->get_instance_transformation().get_matrix(); - slicing_params.trafo.pretranslate(Vec3d(0., 0., first_glvolume->get_sla_shift_z())); - - const Polygons polys = slice_mesh(m_cut_contours.mesh.its, m_cut_z, slicing_params); - if (!polys.empty()) { - m_cut_contours.contours.init_from(polys, static_cast<float>(m_cut_z)); -#if ENABLE_LEGACY_OPENGL_REMOVAL - m_cut_contours.contours.set_color(ColorRGBA::WHITE()); -#else - m_cut_contours.contours.set_color(-1, { 1.0f, 1.0f, 1.0f, 1.0f }); -#endif // ENABLE_LEGACY_OPENGL_REMOVAL - } - } - else if (box.center() != m_cut_contours.position) { - m_cut_contours.shift = box.center() - m_cut_contours.position; - } - } - else - m_cut_contours.contours.reset(); -} - -} // namespace GUI -} // namespace Slic3r +// Include GLGizmoBase.hpp before I18N.hpp as it includes some libigl code, which overrides our localization "L" macro.
+#include "GLGizmoCut.hpp"
+#include "slic3r/GUI/GLCanvas3D.hpp"
+
+#include <GL/glew.h>
+
+#include <wx/button.h>
+#include <wx/checkbox.h>
+#include <wx/stattext.h>
+#include <wx/sizer.h>
+
+#include <algorithm>
+
+#include "slic3r/GUI/GUI_App.hpp"
+#include "slic3r/GUI/Plater.hpp"
+#include "slic3r/GUI/GUI_ObjectManipulation.hpp"
+#include "libslic3r/AppConfig.hpp"
+#include "libslic3r/Model.hpp"
+#include "libslic3r/TriangleMeshSlicer.hpp"
+
+namespace Slic3r {
+namespace GUI {
+
+const double GLGizmoCut::Offset = 10.0;
+const double GLGizmoCut::Margin = 20.0;
+static const ColorRGBA GRABBER_COLOR = ColorRGBA::ORANGE();
+
+GLGizmoCut::GLGizmoCut(GLCanvas3D& parent, const std::string& icon_filename, unsigned int sprite_id)
+ : GLGizmoBase(parent, icon_filename, sprite_id)
+{}
+
+std::string GLGizmoCut::get_tooltip() const
+{
+ double cut_z = m_cut_z;
+ if (wxGetApp().app_config->get("use_inches") == "1")
+ cut_z *= ObjectManipulation::mm_to_in;
+
+ return (m_hover_id == 0 || m_grabbers[0].dragging) ? "Z: " + format(cut_z, 2) : "";
+}
+
+bool GLGizmoCut::on_mouse(const wxMouseEvent &mouse_event)
+{
+ return use_grabbers(mouse_event);
+}
+
+bool GLGizmoCut::on_init()
+{
+ m_grabbers.emplace_back();
+ m_shortcut_key = WXK_CONTROL_C;
+ return true;
+}
+
+std::string GLGizmoCut::on_get_name() const
+{
+ return _u8L("Cut");
+}
+
+void GLGizmoCut::on_set_state()
+{
+ // Reset m_cut_z on gizmo activation
+ if (m_state == On)
+ m_cut_z = bounding_box().center().z();
+}
+
+bool GLGizmoCut::on_is_activable() const
+{
+ const Selection& selection = m_parent.get_selection();
+ return selection.is_single_full_instance() && !selection.is_wipe_tower();
+}
+
+void GLGizmoCut::on_start_dragging()
+{
+ if (m_hover_id == -1)
+ return;
+
+ const BoundingBoxf3 box = bounding_box();
+ m_max_z = box.max.z();
+ m_start_z = m_cut_z;
+ m_drag_pos = m_grabbers[m_hover_id].center;
+ m_drag_center = box.center();
+ m_drag_center.z() = m_cut_z;
+}
+
+void GLGizmoCut::on_dragging(const UpdateData &data)
+{
+ assert(m_hover_id != -1);
+ set_cut_z(m_start_z + calc_projection(data.mouse_ray));
+}
+
+void GLGizmoCut::on_render()
+{
+ const BoundingBoxf3 box = bounding_box();
+ Vec3d plane_center = box.center();
+ plane_center.z() = m_cut_z;
+ m_max_z = box.max.z();
+ set_cut_z(m_cut_z);
+
+ update_contours();
+
+ const float min_x = box.min.x() - Margin;
+ const float max_x = box.max.x() + Margin;
+ const float min_y = box.min.y() - Margin;
+ const float max_y = box.max.y() + Margin;
+ glsafe(::glEnable(GL_DEPTH_TEST));
+ glsafe(::glDisable(GL_CULL_FACE));
+ glsafe(::glEnable(GL_BLEND));
+ glsafe(::glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA));
+
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+ GLShaderProgram* shader = wxGetApp().get_shader("flat");
+ if (shader != nullptr) {
+ shader->start_using();
+ const Vec3d diff = plane_center - m_old_center;
+ // Z changed when move with cut plane
+ // X and Y changed when move with cutted object
+ bool is_changed = std::abs(diff.x()) > EPSILON ||
+ std::abs(diff.y()) > EPSILON ||
+ std::abs(diff.z()) > EPSILON;
+ m_old_center = plane_center;
+
+ if (!m_plane.is_initialized() || is_changed) {
+ m_plane.reset();
+
+ GLModel::Geometry init_data;
+ init_data.format = { GLModel::Geometry::EPrimitiveType::Triangles, GLModel::Geometry::EVertexLayout::P3 };
+ init_data.color = { 0.8f, 0.8f, 0.8f, 0.5f };
+ init_data.reserve_vertices(4);
+ init_data.reserve_indices(6);
+
+ // vertices
+ init_data.add_vertex(Vec3f(min_x, min_y, plane_center.z()));
+ init_data.add_vertex(Vec3f(max_x, min_y, plane_center.z()));
+ init_data.add_vertex(Vec3f(max_x, max_y, plane_center.z()));
+ init_data.add_vertex(Vec3f(min_x, max_y, plane_center.z()));
+
+ // indices
+ init_data.add_triangle(0, 1, 2);
+ init_data.add_triangle(2, 3, 0);
+
+ m_plane.init_from(std::move(init_data));
+ }
+
+#if ENABLE_GL_SHADERS_ATTRIBUTES
+ const Camera& camera = wxGetApp().plater()->get_camera();
+ shader->set_uniform("view_model_matrix", camera.get_view_matrix());
+ shader->set_uniform("projection_matrix", camera.get_projection_matrix());
+#endif // ENABLE_GL_SHADERS_ATTRIBUTES
+
+ m_plane.render();
+#else
+ // Draw the cutting plane
+ ::glBegin(GL_QUADS);
+ ::glColor4f(0.8f, 0.8f, 0.8f, 0.5f);
+ ::glVertex3f(min_x, min_y, plane_center.z());
+ ::glVertex3f(max_x, min_y, plane_center.z());
+ ::glVertex3f(max_x, max_y, plane_center.z());
+ ::glVertex3f(min_x, max_y, plane_center.z());
+ glsafe(::glEnd());
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+
+ glsafe(::glEnable(GL_CULL_FACE));
+ glsafe(::glDisable(GL_BLEND));
+
+ // Draw the grabber and the connecting line
+ m_grabbers[0].center = plane_center;
+ m_grabbers[0].center.z() = plane_center.z() + Offset;
+
+ glsafe(::glClear(GL_DEPTH_BUFFER_BIT));
+
+ glsafe(::glLineWidth(m_hover_id != -1 ? 2.0f : 1.5f));
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+ if (!m_grabber_connection.is_initialized() || is_changed) {
+ m_grabber_connection.reset();
+
+ GLModel::Geometry init_data;
+ init_data.format = { GLModel::Geometry::EPrimitiveType::Lines, GLModel::Geometry::EVertexLayout::P3 };
+ init_data.color = ColorRGBA::YELLOW();
+ init_data.reserve_vertices(2);
+ init_data.reserve_indices(2);
+
+ // vertices
+ init_data.add_vertex((Vec3f)plane_center.cast<float>());
+ init_data.add_vertex((Vec3f)m_grabbers[0].center.cast<float>());
+
+ // indices
+ init_data.add_line(0, 1);
+
+ m_grabber_connection.init_from(std::move(init_data));
+ }
+
+ m_grabber_connection.render();
+
+ shader->stop_using();
+ }
+
+ shader = wxGetApp().get_shader("gouraud_light");
+#else
+ glsafe(::glColor3f(1.0, 1.0, 0.0));
+ ::glBegin(GL_LINES);
+ ::glVertex3dv(plane_center.data());
+ ::glVertex3dv(m_grabbers[0].center.data());
+ glsafe(::glEnd());
+
+ GLShaderProgram* shader = wxGetApp().get_shader("gouraud_light");
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+ if (shader != nullptr) {
+ shader->start_using();
+ shader->set_uniform("emission_factor", 0.1f);
+
+ m_grabbers[0].color = GRABBER_COLOR;
+ m_grabbers[0].render(m_hover_id == 0, float((box.size().x() + box.size().y() + box.size().z()) / 3.0));
+
+ shader->stop_using();
+ }
+
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+ shader = wxGetApp().get_shader("flat");
+ if (shader != nullptr) {
+ shader->start_using();
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+#if ENABLE_GL_SHADERS_ATTRIBUTES
+ const Camera& camera = wxGetApp().plater()->get_camera();
+ shader->set_uniform("view_model_matrix", camera.get_view_matrix()* Geometry::assemble_transform(m_cut_contours.shift));
+ shader->set_uniform("projection_matrix", camera.get_projection_matrix());
+#else
+ glsafe(::glPushMatrix());
+ glsafe(::glTranslated(m_cut_contours.shift.x(), m_cut_contours.shift.y(), m_cut_contours.shift.z()));
+#endif // ENABLE_GL_SHADERS_ATTRIBUTES
+ glsafe(::glLineWidth(2.0f));
+ m_cut_contours.contours.render();
+#if !ENABLE_GL_SHADERS_ATTRIBUTES
+ glsafe(::glPopMatrix());
+#endif // !ENABLE_GL_SHADERS_ATTRIBUTES
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+ shader->stop_using();
+ }
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+ }
+
+void GLGizmoCut::on_render_for_picking()
+{
+ glsafe(::glDisable(GL_DEPTH_TEST));
+ render_grabbers_for_picking(m_parent.get_selection().get_bounding_box());
+}
+
+void GLGizmoCut::on_render_input_window(float x, float y, float bottom_limit)
+{
+ static float last_y = 0.0f;
+ static float last_h = 0.0f;
+
+ m_imgui->begin(_L("Cut"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoMove | ImGuiWindowFlags_NoResize | ImGuiWindowFlags_NoCollapse);
+
+ const bool imperial_units = wxGetApp().app_config->get("use_inches") == "1";
+
+ // adjust window position to avoid overlap the view toolbar
+ const float win_h = ImGui::GetWindowHeight();
+ y = std::min(y, bottom_limit - win_h);
+ ImGui::SetWindowPos(ImVec2(x, y), ImGuiCond_Always);
+ if (last_h != win_h || last_y != y) {
+ // ask canvas for another frame to render the window in the correct position
+ m_imgui->set_requires_extra_frame();
+ if (last_h != win_h)
+ last_h = win_h;
+ if (last_y != y)
+ last_y = y;
+ }
+
+ ImGui::AlignTextToFramePadding();
+ m_imgui->text("Z");
+ ImGui::SameLine();
+ ImGui::PushItemWidth(m_imgui->get_style_scaling() * 150.0f);
+
+ double cut_z = m_cut_z;
+ if (imperial_units)
+ cut_z *= ObjectManipulation::mm_to_in;
+ ImGui::InputDouble("", &cut_z, 0.0f, 0.0f, "%.2f", ImGuiInputTextFlags_CharsDecimal);
+
+ ImGui::SameLine();
+ m_imgui->text(imperial_units ? _L("in") : _L("mm"));
+
+ m_cut_z = cut_z * (imperial_units ? ObjectManipulation::in_to_mm : 1.0);
+
+ ImGui::Separator();
+
+ m_imgui->checkbox(_L("Keep upper part"), m_keep_upper);
+ m_imgui->checkbox(_L("Keep lower part"), m_keep_lower);
+ m_imgui->checkbox(_L("Rotate lower part upwards"), m_rotate_lower);
+
+ ImGui::Separator();
+
+ m_imgui->disabled_begin((!m_keep_upper && !m_keep_lower) || m_cut_z <= 0.0 || m_max_z <= m_cut_z);
+ const bool cut_clicked = m_imgui->button(_L("Perform cut"));
+ m_imgui->disabled_end();
+
+ m_imgui->end();
+
+ if (cut_clicked && (m_keep_upper || m_keep_lower))
+ perform_cut(m_parent.get_selection());
+}
+
+void GLGizmoCut::set_cut_z(double cut_z)
+{
+ // Clamp the plane to the object's bounding box
+ m_cut_z = std::clamp(cut_z, 0.0, m_max_z);
+}
+
+void GLGizmoCut::perform_cut(const Selection& selection)
+{
+ const int instance_idx = selection.get_instance_idx();
+ const int object_idx = selection.get_object_idx();
+
+ wxCHECK_RET(instance_idx >= 0 && object_idx >= 0, "GLGizmoCut: Invalid object selection");
+
+ // m_cut_z is the distance from the bed. Subtract possible SLA elevation.
+ const GLVolume* first_glvolume = selection.get_first_volume();
+ const double object_cut_z = m_cut_z - first_glvolume->get_sla_shift_z();
+
+ if (0.0 < object_cut_z && object_cut_z < m_max_z)
+ wxGetApp().plater()->cut(object_idx, instance_idx, object_cut_z,
+ only_if(m_keep_upper, ModelObjectCutAttribute::KeepUpper) |
+ only_if(m_keep_lower, ModelObjectCutAttribute::KeepLower) |
+ only_if(m_rotate_lower, ModelObjectCutAttribute::FlipLower));
+ else {
+ // the object is SLA-elevated and the plane is under it.
+ }
+}
+
+double GLGizmoCut::calc_projection(const Linef3& mouse_ray) const
+{
+ double projection = 0.0;
+
+ const Vec3d starting_vec = m_drag_pos - m_drag_center;
+ const double len_starting_vec = starting_vec.norm();
+ if (len_starting_vec != 0.0) {
+ const Vec3d mouse_dir = mouse_ray.unit_vector();
+ // finds the intersection of the mouse ray with the plane parallel to the camera viewport and passing throught the starting position
+ // use ray-plane intersection see i.e. https://en.wikipedia.org/wiki/Line%E2%80%93plane_intersection algebric form
+ // in our case plane normal and ray direction are the same (orthogonal view)
+ // when moving to perspective camera the negative z unit axis of the camera needs to be transformed in world space and used as plane normal
+ const Vec3d inters = mouse_ray.a + (m_drag_pos - mouse_ray.a).dot(mouse_dir) / mouse_dir.squaredNorm() * mouse_dir;
+ // vector from the starting position to the found intersection
+ const Vec3d inters_vec = inters - m_drag_pos;
+
+ // finds projection of the vector along the staring direction
+ projection = inters_vec.dot(starting_vec.normalized());
+ }
+ return projection;
+}
+
+BoundingBoxf3 GLGizmoCut::bounding_box() const
+{
+ BoundingBoxf3 ret;
+ const Selection& selection = m_parent.get_selection();
+ const Selection::IndicesList& idxs = selection.get_volume_idxs();
+ return selection.get_bounding_box();
+
+ for (unsigned int i : idxs) {
+ const GLVolume* volume = selection.get_volume(i);
+ if (!volume->is_modifier)
+ ret.merge(volume->transformed_convex_hull_bounding_box());
+ }
+ return ret;
+}
+
+void GLGizmoCut::update_contours()
+{
+ const Selection& selection = m_parent.get_selection();
+ const GLVolume* first_glvolume = selection.get_first_volume();
+ const BoundingBoxf3& box = first_glvolume->transformed_convex_hull_bounding_box();
+
+ const ModelObject* model_object = wxGetApp().model().objects[selection.get_object_idx()];
+ const int instance_idx = selection.get_instance_idx();
+ std::vector<ObjectID> volumes_idxs = std::vector<ObjectID>(model_object->volumes.size());
+ for (size_t i = 0; i < model_object->volumes.size(); ++i) {
+ volumes_idxs[i] = model_object->volumes[i]->id();
+ }
+
+ if (0.0 < m_cut_z && m_cut_z < m_max_z) {
+ if (m_cut_contours.cut_z != m_cut_z || m_cut_contours.object_id != model_object->id() ||
+ m_cut_contours.instance_idx != instance_idx || m_cut_contours.volumes_idxs != volumes_idxs) {
+ m_cut_contours.cut_z = m_cut_z;
+
+ if (m_cut_contours.object_id != model_object->id() || m_cut_contours.volumes_idxs != volumes_idxs)
+ m_cut_contours.mesh = model_object->raw_mesh();
+
+ m_cut_contours.position = box.center();
+ m_cut_contours.shift = Vec3d::Zero();
+ m_cut_contours.object_id = model_object->id();
+ m_cut_contours.instance_idx = instance_idx;
+ m_cut_contours.volumes_idxs = volumes_idxs;
+ m_cut_contours.contours.reset();
+
+ MeshSlicingParams slicing_params;
+ slicing_params.trafo = first_glvolume->get_instance_transformation().get_matrix();
+ slicing_params.trafo.pretranslate(Vec3d(0., 0., first_glvolume->get_sla_shift_z()));
+
+ const Polygons polys = slice_mesh(m_cut_contours.mesh.its, m_cut_z, slicing_params);
+ if (!polys.empty()) {
+ m_cut_contours.contours.init_from(polys, static_cast<float>(m_cut_z));
+#if ENABLE_LEGACY_OPENGL_REMOVAL
+ m_cut_contours.contours.set_color(ColorRGBA::WHITE());
+#else
+ m_cut_contours.contours.set_color(-1, { 1.0f, 1.0f, 1.0f, 1.0f });
+#endif // ENABLE_LEGACY_OPENGL_REMOVAL
+ }
+ }
+ else if (box.center() != m_cut_contours.position) {
+ m_cut_contours.shift = box.center() - m_cut_contours.position;
+ }
+ }
+ else
+ m_cut_contours.contours.reset();
+}
+
+} // namespace GUI
+} // namespace Slic3r
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