NEW:add "slice error" for double extruder

jira: none
Change-Id: I58e86c33bc91456d42efcc1a0cad003432bb13df
(cherry picked from commit 166a46caa8157e246adfeec591dc13383a47b252)

src/slic3r/GUI/3DScene.cpp

@@ -224,6 +224,7 @@ GLVolume::GLVolume(float r, float g, float b, float a)
     , partly_inside(false)
     , hover(HS_None)
     , is_modifier(false)
+    , slice_error(false)
     , is_wipe_tower(false)
     , is_extrusion_path(false)
     , force_transparent(false)
@@ -999,7 +1000,8 @@ void GLVolumeCollection::render(GLVolumeCollection::ERenderType       type,
 #endif // ENABLE_ENVIRONMENT_MAP
         glcheck();
 
-        volume.first->model.set_color(volume.first->render_color);
+		auto red_color = ColorRGBA{1.0f, 0.0f, 0.0f, 1.0f};//slice_error
+        volume.first->model.set_color(volume.first->slice_error ? red_color : volume.first->render_color);
         const Transform3d model_matrix = volume.first->world_matrix();
         shader->set_uniform("view_model_matrix", view_matrix * model_matrix);
         shader->set_uniform("projection_matrix", projection_matrix);

src/slic3r/GUI/3DScene.hpp

@@ -216,6 +216,8 @@ public:
         bool                force_sinking_contours : 1;
         // Is render for picking
         bool                picking : 1;
+        // slice error
+        bool                slice_error : 1;
     };
 
     // Is mouse or rectangle selection over this object to select/deselect it ?

src/slic3r/GUI/GCodeViewer.hpp

@@ -377,16 +377,6 @@ class GCodeViewer
         }
     };
 
-    // helper to render shells
-    struct Shells
-    {
-        GLVolumeCollection volumes;
-        bool visible{ false };
-        //BBS: always load shell when preview
-        int print_id{ -1 };
-        int print_modify_count { -1 };
-        bool previewing{ false };
-    };
 
     // helper to render extrusion paths
     struct Extrusions
@@ -733,11 +723,21 @@ public:
         LayerTimeLog,
         Count
     };
-
+    // helper to render shells
+    struct Shells
+    {
+        GLVolumeCollection volumes;
+        bool               visible{false};
+        // BBS: always load shell when preview
+        int  print_id{-1};
+        int  print_modify_count{-1};
+        bool previewing{false};
+    };
     //BBS
     ConflictResultOpt m_conflict_result;
     GCodeCheckResult  m_gcode_check_result;
     FilamentPrintableResult filament_printable_reuslt;
+    Shells            m_shells;
 
 private:
     std::vector<int> m_plater_extruder;
@@ -780,7 +780,7 @@ private:
     SequentialView m_sequential_view;
     IMSlider* m_moves_slider;
     IMSlider* m_layers_slider;
-    Shells m_shells;
+
     /*BBS GUI refactor, store displayed items in color scheme combobox */
     std::vector<EViewType> view_type_items;
     std::vector<std::string> view_type_items_str;

src/slic3r/GUI/GLCanvas3D.cpp

@@ -9755,15 +9755,34 @@ void GLCanvas3D::_set_warning_notification(EWarning warning, bool state)
             }
             int extruder_id = error_iter->first + 1;
             std::string filaments;
+            std::vector<int> slice_error_object_idxs;
             for (size_t i = 0; i < error_iter->second.size(); ++i) {
                 if (i > 0) {
                     filaments += ", ";
                 }
                 int filament_id = error_iter->second[i].first;
                 int object_label_id = error_iter->second[i].second;
-                // todo: display the conflict objects
+
                 //ModelObject* object->instances[0]->get_labeled_id();
                 filaments += std::to_string(filament_id);
+                for (int object_idx = 0; object_idx < (int) m_model->objects.size(); ++object_idx) {
+                    const ModelObject *model_object = m_model->objects[object_idx];
+                    for (int instance_idx = 0; instance_idx < (int) model_object->instances.size(); ++instance_idx) {
+                        const ModelInstance *model_instance = model_object->instances[instance_idx];
+                        auto                 expect_id      = model_instance->get_labeled_id();
+                        if (object_label_id == expect_id) {
+                            slice_error_object_idxs.emplace_back(object_idx);
+                        }
+                    }
+                }
+            }
+            for (GLVolume *volume : m_gcode_viewer.m_shells.volumes.volumes) {
+                for (auto obj_idx : slice_error_object_idxs) {
+                    if (volume->object_idx() == obj_idx) {
+                        volume->slice_error = true;
+                        volume->selected    = true;
+                    }
+                }
             }
             std::string extruder_name = extruder_id == master_extruder_id ? "Left extruder" : "Right extruder";
             if (error_iter->second.size() == 1) {