GCode Preview - Added objects and wipe tower transparent shells

xs/src/libslic3r/GCode/Analyzer.cpp

@@ -298,7 +298,12 @@ void GCodeAnalyzer::PreviewData::Retraction::set_default()
 {
     color = Default_Color;
     is_visible = false;
-};
+}
+
+void GCodeAnalyzer::PreviewData::Shell::set_default()
+{
+    is_visible = false;
+}
 
 GCodeAnalyzer::PreviewData::PreviewData()
 {
@@ -311,6 +316,7 @@ void GCodeAnalyzer::PreviewData::set_default()
     travel.set_default();
     retraction.set_default();
     unretraction.set_default();
+    shell.set_default();
 }
 
 void GCodeAnalyzer::PreviewData::reset()

xs/src/libslic3r/GCode/Analyzer.hpp

@@ -256,10 +256,18 @@ public:
             void set_default();
         };
 
+        struct Shell
+        {
+            bool is_visible;
+
+            void set_default();
+        };
+
         Extrusion extrusion;
         Travel travel;
         Retraction retraction;
         Retraction unretraction;
+        Shell shell;
 
         PreviewData();
 

xs/src/libslic3r/Print.cpp

@@ -102,6 +102,11 @@ void Print::set_gcode_preview_unretractions_visible(bool visible)
     gcode_preview.unretraction.is_visible = visible;
 }
 
+void Print::set_gcode_preview_shells_visible(bool visible)
+{
+    gcode_preview.shell.is_visible = visible;
+}
+
 PrintRegion* Print::add_region()
 {
     regions.push_back(new PrintRegion(this));

xs/src/libslic3r/Print.hpp

@@ -262,6 +262,7 @@ public:
     void set_gcode_preview_travel_visible(bool visible);
     void set_gcode_preview_retractions_visible(bool visible);
     void set_gcode_preview_unretractions_visible(bool visible);
+    void set_gcode_preview_shells_visible(bool visible);
 
     // methods for handling regions
     PrintRegion* get_region(size_t idx) { return regions.at(idx); }