Changed detection of sinking objects into ObjectList::update_info_items()

src/slic3r/GUI/GLCanvas3D.cpp

@@ -3497,13 +3497,14 @@ void GLCanvas3D::do_rotate(const std::string& snapshot_type)
     // Fixes sinking/flying instances
     for (const std::pair<int, int>& i : done) {
         ModelObject* m = m_model->objects[i.first];
-        double shift_z = m->get_instance_min_z(i.second);
+        const double shift_z = m->get_instance_min_z(i.second);
         // leave sinking instances as sinking
         if (min_zs.empty() || min_zs.find({ i.first, i.second })->second >= SINKING_Z_THRESHOLD || shift_z > SINKING_Z_THRESHOLD) {
-            Vec3d shift(0.0, 0.0, -shift_z);
+            const Vec3d shift(0.0, 0.0, -shift_z);
             m_selection.translate(i.first, i.second, shift);
             m->translate_instance(i.second, shift);
         }
+
         wxGetApp().obj_list()->update_info_items(static_cast<size_t>(i.first));
     }
 
@@ -3861,6 +3862,15 @@ void GLCanvas3D::update_sequential_clearance()
     set_sequential_print_clearance_polygons(polygons);
 }
 
+bool GLCanvas3D::is_object_sinking(int object_idx) const
+{
+    for (const GLVolume* v : m_volumes.volumes) {
+        if (v->object_idx() == object_idx && v->is_sinking())
+            return true;
+    }
+    return false;
+}
+
 bool GLCanvas3D::_is_shown_on_screen() const
 {
     return (m_canvas != nullptr) ? m_canvas->IsShownOnScreen() : false;

src/slic3r/GUI/GLCanvas3D.hpp

@@ -875,6 +875,8 @@ public:
 
     void reset_old_size() { m_old_size = { 0, 0 }; }
 
+    bool is_object_sinking(int object_idx) const;
+
 private:
     bool _is_shown_on_screen() const;
 

src/slic3r/GUI/GUI_ObjectList.cpp

@@ -2558,9 +2558,8 @@ void ObjectList::update_info_items(size_t obj_idx)
             break;
         case InfoItemType::Sinking:
         {
-            const BoundingBoxf3& box = model_object->bounding_box();
             should_show = printer_technology() == ptFFF &&
-                        box.min.z() < SINKING_Z_THRESHOLD && box.max.z() > SINKING_Z_THRESHOLD;
+                wxGetApp().plater()->canvas3D()->is_object_sinking(obj_idx);
             break;
         }
         default: break;