Added number of toolchanges into 'Sliced info' statistics

lib/Slic3r/GUI/Plater.pm

@@ -1646,14 +1646,15 @@ sub print_info_box_show {
         $grid_sizer->AddGrowableCol(1, 1);
         $grid_sizer->AddGrowableCol(3, 1);
         $print_info_sizer->Add($grid_sizer, 0, wxEXPAND);
+        my $is_wipe_tower = $self->{print}->total_wipe_tower_filament > 0;
         my @info = (
             L("Used Filament (m)")
-                => $self->{print}->total_wipe_tower_filament > 0 ?
+                =>  $is_wipe_tower ?
                        sprintf("%.2f  (%.2f %s + %.2f %s)" , $self->{print}->total_used_filament / 1000,
                                                             ($self->{print}->total_used_filament - $self->{print}->total_wipe_tower_filament) / 1000,
                                                              L("objects"),
 							     $self->{print}->total_wipe_tower_filament / 1000,
-                                                             L("wipe_tower")) :
+                                                             L("wipe tower")) :
                        sprintf("%.2f" , $self->{print}->total_used_filament / 1000),
 
             L("Used Filament (mm³)")
@@ -1661,18 +1662,21 @@ sub print_info_box_show {
             L("Used Filament (g)"),
                 => sprintf("%.2f" , $self->{print}->total_weight),
             L("Cost"),
-                => $self->{print}->total_wipe_tower_cost > 0 ?
+                => $is_wipe_tower ?
                        sprintf("%.2f  (%.2f %s + %.2f %s)" , $self->{print}->total_cost,
                                                             ($self->{print}->total_cost - $self->{print}->total_wipe_tower_cost),
                                                              L("objects"),
 							     $self->{print}->total_wipe_tower_cost,
-                                                             L("wipe_tower")) :
+                                                             L("wipe tower")) :
                        sprintf("%.2f" , $self->{print}->total_cost),
             L("Estimated printing time (normal mode)")
                 => $self->{print}->estimated_normal_print_time,
             L("Estimated printing time (silent mode)")
                 => $self->{print}->estimated_silent_print_time
         );
+        # if there is a wipe tower, insert number of toolchanges info into the array:
+        splice (@info, 8, 0, L("Number of tool changes") => sprintf("%.d", $self->{print}->m_wipe_tower_number_of_toolchanges))  if ($is_wipe_tower);
+
         while ( my $label = shift @info) {
             my $value = shift @info;
             next if $value eq "N/A";

xs/src/libslic3r/GCode/WipeTower.hpp

@@ -158,6 +158,9 @@ public:
 
     // Returns used filament length per extruder:
     virtual std::vector<float> get_used_filament() const = 0;
+
+    // Returns total number of toolchanges:
+    virtual int get_number_of_toolchanges() const = 0;
 };
 
 }; // namespace Slic3r

xs/src/libslic3r/GCode/WipeTowerPrusaMM.cpp

@@ -613,10 +613,10 @@ WipeTower::ToolChangeResult WipeTowerPrusaMM::tool_change(unsigned int tool, boo
         toolchange_Load(writer, cleaning_box);
         writer.travel(writer.x(),writer.y()-m_perimeter_width); // cooling and loading were done a bit down the road
         toolchange_Wipe(writer, cleaning_box, wipe_volume);     // Wipe the newly loaded filament until the end of the assigned wipe area.
+        ++ m_num_tool_changes;
     } else
         toolchange_Unload(writer, cleaning_box, m_filpar[m_current_tool].material, m_filpar[m_current_tool].temperature);
 
-    ++ m_num_tool_changes;
     m_depth_traversed += wipe_area;
 
     if (last_change_in_layer) {// draw perimeter line

xs/src/libslic3r/GCode/WipeTowerPrusaMM.hpp

@@ -174,7 +174,8 @@ public:
 		return ( (m_is_first_layer ? m_wipe_tower_depth - m_perimeter_width : m_layer_info->depth) - WT_EPSILON < m_depth_traversed);
 	}
 
-    virtual std::vector<float> get_used_filament() const { return m_used_filament_length; }
+    virtual std::vector<float> get_used_filament() const override { return m_used_filament_length; }
+    virtual int get_number_of_toolchanges() const override { return m_num_tool_changes; }
 
 
 private:

xs/src/libslic3r/Print.cpp

@@ -1195,6 +1195,7 @@ void Print::_make_wipe_tower()
 		wipe_tower.tool_change((unsigned int)-1, false));
 
     m_wipe_tower_used_filament = wipe_tower.get_used_filament();
+    m_wipe_tower_number_of_toolchanges = wipe_tower.get_number_of_toolchanges();
 }
 
 std::string Print::output_filename()

xs/src/libslic3r/Print.hpp

@@ -310,6 +310,7 @@ public:
     std::vector<std::vector<WipeTower::ToolChangeResult>> m_wipe_tower_tool_changes;
     std::unique_ptr<WipeTower::ToolChangeResult>          m_wipe_tower_final_purge;
     std::vector<float>                                    m_wipe_tower_used_filament;
+    int                                                   m_wipe_tower_number_of_toolchanges = -1;
 
     std::string output_filename();
     std::string output_filepath(const std::string &path);

xs/xsp/Print.xsp

@@ -298,5 +298,15 @@ Print::total_wipe_tower_filament(...)
         RETVAL = THIS->total_wipe_tower_filament;
     OUTPUT:
         RETVAL
+
+int
+Print::m_wipe_tower_number_of_toolchanges(...)
+    CODE:
+        if (items > 1) {
+            THIS->m_wipe_tower_number_of_toolchanges = (double)SvNV(ST(1));
+        }
+        RETVAL = THIS->m_wipe_tower_number_of_toolchanges;
+    OUTPUT:
+        RETVAL        
 %}
 };