add chamber temperature option for filament

src/libslic3r/GCode.cpp

@@ -1510,6 +1510,7 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
         m_placeholder_parser.set("bed_temperature", new ConfigOptionInts(*bed_temp_opt));
         m_placeholder_parser.set("bed_temperature_initial_layer_single", new ConfigOptionInt(first_bed_temp_opt->get_at(initial_extruder_id)));
         m_placeholder_parser.set("bed_temperature_initial_layer_vector", new ConfigOptionString(""));
+        m_placeholder_parser.set("chamber_temperature",new ConfigOptionInt(m_config.chamber_temperature));
 
         //BBS: calculate the volumetric speed of outer wall. Ignore pre-object setting and multi-filament, and just use the default setting
         {

src/libslic3r/Preset.cpp

@@ -689,7 +689,7 @@ static std::vector<std::string> s_Preset_print_options {
 static std::vector<std::string> s_Preset_filament_options {
     /*"filament_colour", */"filament_diameter", "filament_type", "filament_soluble", "filament_is_support", "filament_max_volumetric_speed",
     "filament_flow_ratio", "filament_density", "filament_cost", "filament_minimal_purge_on_wipe_tower",
-    "nozzle_temperature", "nozzle_temperature_initial_layer",
+    "chamber_temperature", "nozzle_temperature", "nozzle_temperature_initial_layer",
     // BBS
     "cool_plate_temp", "eng_plate_temp", "hot_plate_temp", "cool_plate_temp_initial_layer", "eng_plate_temp_initial_layer", "hot_plate_temp_initial_layer",
     // "bed_type",

src/libslic3r/Print.cpp

@@ -163,6 +163,7 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
         } else if (
                opt_key == "print_sequence"
             || opt_key == "filament_type"
+            || opt_key == "chamber_temperature"
             || opt_key == "nozzle_temperature_initial_layer"
             || opt_key == "filament_minimal_purge_on_wipe_tower"
             || opt_key == "filament_max_volumetric_speed"

src/libslic3r/PrintConfig.cpp

@@ -2476,6 +2476,15 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionBool(false));
 
+    def = this->add("chamber_temperature", coInt);
+    def->label = L("Chamber temperature");
+    def->tooltip = L("Target chamber temperature");
+    def->sidetext = L("°C");
+    def->full_label = L("Chamber temperature");
+    def->min = 0;
+    def->max = max_temp;
+    def->set_default_value(new ConfigOptionInt(0));
+
     def = this->add("nozzle_temperature", coInts);
     def->label = L("Other layers");
     def->tooltip = L("Nozzle temperature for layers after the initial one");

src/libslic3r/PrintConfig.hpp

@@ -839,6 +839,7 @@ PRINT_CONFIG_CLASS_DERIVED_DEFINE(
     ((ConfigOptionBool,               spiral_mode))
     ((ConfigOptionInt,                standby_temperature_delta))
     ((ConfigOptionInts,               nozzle_temperature))
+    ((ConfigOptionInt ,               chamber_temperature))
     ((ConfigOptionBools,              wipe))
     // BBS
     ((ConfigOptionInts,               bed_temperature_difference))

src/slic3r/GUI/Tab.cpp

@@ -2413,6 +2413,10 @@ void TabFilament::build()
         optgroup = page->new_optgroup(L("Print temperature"));
         optgroup->split_multi_line = true;
         optgroup->option_label_at_right = true;
+        line = { L("Chamber"), L("Chamber temperature") };
+        line.append_option(optgroup->get_option("chamber_temperature"));
+        optgroup->append_line(line);
+
         line = { L("Nozzle"), L("Nozzle temperature when printing") };
         line.append_option(optgroup->get_option("nozzle_temperature_initial_layer"));
         line.append_option(optgroup->get_option("nozzle_temperature"));