For devices with multitools, set the default colors of filaments for …

…each tool to different colors

src/libslic3r/PresetBundle.cpp

@@ -1851,6 +1851,26 @@ void PresetBundle::export_selections(AppConfig &config)
 }
 
 // BBS
+void PresetBundle::set_num_filaments(unsigned int n, std::vector<std::string> new_colors) {
+ int old_filament_count = this->filament_presets.size();
+ if (n > old_filament_count && old_filament_count != 0)
+ filament_presets.resize(n, filament_presets.back());
+ else {
+ filament_presets.resize(n);
+ }
+ ConfigOptionStrings* filament_color = project_config.option<ConfigOptionStrings>("filament_colour");
+ filament_color->resize(n);
+ ams_multi_color_filment.resize(n);
+ // BBS set new filament color to new_color
+ if (old_filament_count < n) {
+ if (!new_colors.empty()) {
+ for (int i = old_filament_count; i < n; i++) {
+ filament_color->values[i] = new_colors[i - old_filament_count];
+ }
+ }
+ }
+ update_multi_material_filament_presets();
+}
 void PresetBundle::set_num_filaments(unsigned int n, std::string new_color)
 {
  int old_filament_count = this->filament_presets.size();

src/libslic3r/PresetBundle.hpp

@@ -111,6 +111,7 @@ class PresetBundle
  void export_selections(AppConfig &config);
 
  // BBS
+ void set_num_filaments(unsigned int n, std::vector<std::string> new_colors);
  void set_num_filaments(unsigned int n, std::string new_col = "");
  unsigned int sync_ams_list(unsigned int & unknowns);
  //BBS: check whether this is the only edited filament

src/slic3r/GUI/Tab.cpp

@@ -1649,7 +1649,14 @@ void Tab::on_value_change(const std::string& opt_key, const boost::any& value)
  //Orca: sync filament num if it's a multi tool printer
  if (opt_key == "extruders_count" && !m_config->opt_bool("single_extruder_multi_material")){
  auto num_extruder = boost::any_cast<size_t>(value);
- wxGetApp().preset_bundle->set_num_filaments(num_extruder);
+ int old_filament_size = wxGetApp().preset_bundle->filament_presets.size();
+ std::vector<std::string> new_colors;
+ for (int i = old_filament_size; i < num_extruder; ++i) {
+ wxColour new_col = Plater::get_next_color_for_filament();
+ std::string new_color = new_col.GetAsString(wxC2S_HTML_SYNTAX).ToStdString();
+ new_colors.push_back(new_color);
+ }
+ wxGetApp().preset_bundle->set_num_filaments(num_extruder, new_colors);
  wxGetApp().plater()->on_filaments_change(num_extruder);
  wxGetApp().get_tab(Preset::TYPE_PRINT)->update();
  wxGetApp().preset_bundle->export_selections(*wxGetApp().app_config);