ENH: add params for filament retract when extruder change

jira: STUDIO-11965

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: Id175e9dbce419d43cf45d6116ed4fa4fd556f606
(cherry picked from commit c7964441719f521d1a20dc9f084a7598bd01a9a5)

src/libslic3r/GCode.cpp

@@ -928,6 +928,8 @@ static std::vector<Vec2d> get_path_of_change_filament(const Print& print)
         gcodegen.placeholder_parser().set("current_extruder", new_filament_id);
         gcodegen.placeholder_parser().set("retraction_distance_when_cut", gcodegen.m_config.retraction_distances_when_cut.get_at(new_filament_id));
         gcodegen.placeholder_parser().set("long_retraction_when_cut", gcodegen.m_config.long_retractions_when_cut.get_at(new_filament_id));
+        gcodegen.placeholder_parser().set("retraction_distance_when_ec", gcodegen.m_config.retraction_distances_when_ec.get_at(new_filament_id));
+        gcodegen.placeholder_parser().set("long_retraction_when_ec", gcodegen.m_config.long_retractions_when_ec.get_at(new_filament_id));
 
         // Process the start filament gcode.
         std::string start_filament_gcode_str;
@@ -2506,11 +2508,15 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
     //Orca: set the key for compatibilty
     this->placeholder_parser().set("retraction_distance_when_cut", m_config.retraction_distances_when_cut.get_at(initial_extruder_id));
     this->placeholder_parser().set("long_retraction_when_cut", m_config.long_retractions_when_cut.get_at(initial_extruder_id));
+    this->placeholder_parser().set("retraction_distance_when_ec", m_config.retraction_distances_when_ec.get_at(initial_extruder_id));
+    this->placeholder_parser().set("long_retraction_when_ec", m_config.long_retractions_when_ec.get_at(initial_extruder_id));
     this->placeholder_parser().set("temperature", new ConfigOptionInts(print.config().nozzle_temperature));
 
 
     this->placeholder_parser().set("retraction_distances_when_cut", new ConfigOptionFloats(m_config.retraction_distances_when_cut));
     this->placeholder_parser().set("long_retractions_when_cut",new ConfigOptionBools(m_config.long_retractions_when_cut));
+    this->placeholder_parser().set("retraction_distances_when_ec", new ConfigOptionFloatsNullable(m_config.retraction_distances_when_ec));
+    this->placeholder_parser().set("long_retractions_when_ec",new ConfigOptionBoolsNullable(m_config.long_retractions_when_ec));
 
     //Set variable for total layer count so it can be used in custom gcode.
     this->placeholder_parser().set("total_layer_count", m_layer_count);
@@ -6896,6 +6902,8 @@ std::string GCode::set_extruder(unsigned int new_filament_id, double print_z, bo
     // if we are running a single-extruder setup, just set the extruder and return nothing
     if (!m_writer.multiple_extruders) {
         this->placeholder_parser().set("current_extruder", new_filament_id);
+        this->placeholder_parser().set("retraction_distance_when_ec", m_config.retraction_distances_when_ec.get_at(new_filament_id));
+        this->placeholder_parser().set("long_retraction_when_ec", m_config.long_retractions_when_ec.get_at(new_filament_id));
 
         std::string gcode;
         // Append the filament start G-code.
@@ -7146,6 +7154,9 @@ std::string GCode::set_extruder(unsigned int new_filament_id, double print_z, bo
     this->placeholder_parser().set("current_extruder", new_filament_id);
     this->placeholder_parser().set("retraction_distance_when_cut", m_config.retraction_distances_when_cut.get_at(new_filament_id));
     this->placeholder_parser().set("long_retraction_when_cut", m_config.long_retractions_when_cut.get_at(new_filament_id));
+    this->placeholder_parser().set("retraction_distance_when_ec", m_config.retraction_distances_when_ec.get_at(new_filament_id));
+    this->placeholder_parser().set("long_retraction_when_ec", m_config.long_retractions_when_ec.get_at(new_filament_id));
+
 
     // Append the filament start G-code.
     const std::string &filament_start_gcode = m_config.filament_start_gcode.get_at(new_filament_id);

src/libslic3r/Preset.cpp

@@ -880,7 +880,8 @@ static std::vector<std::string> s_Preset_filament_options {/*"filament_colour",
     "filament_multitool_ramming", "filament_multitool_ramming_volume", "filament_multitool_ramming_flow", "activate_chamber_temp_control",
     "filament_long_retractions_when_cut","filament_retraction_distances_when_cut", "idle_temperature",
     //BBS filament change length while the extruder color
-    "filament_change_length","filament_prime_volume","filament_flush_volumetric_speed","filament_flush_temp"
+    "filament_change_length","filament_prime_volume","filament_flush_volumetric_speed","filament_flush_temp",
+    "long_retractions_when_ec", "retraction_distances_when_ec"
     };
 
 static std::vector<std::string> s_Preset_machine_limits_options {

src/libslic3r/PrintConfig.cpp

@@ -4461,6 +4461,20 @@ void PrintConfigDef::init_fff_params()
     def->max = 18;
     def->set_default_value(new ConfigOptionFloats {18});
 
+    def = this->add("long_retractions_when_ec", coBools);
+    def->label = L("Long retraction when extruder change");
+    def->mode = comAdvanced;
+    def->nullable = true;
+    def->set_default_value(new ConfigOptionBoolsNullable {false});
+
+    def = this->add("retraction_distances_when_ec", coFloats);
+    def->label = L("Retraction distance when extruder change");
+    def->mode = comAdvanced;
+    def->nullable = true;
+    def->min = 0;
+    def->max = 10;
+    def->set_default_value(new ConfigOptionFloatsNullable{10});
+
     def = this->add("retract_length_toolchange", coFloats);
     def->label = L("Length");
     //def->full_label = L("Retraction Length (Toolchange)");
@@ -7454,6 +7468,8 @@ std::set<std::string> filament_options_with_variant = {
     "filament_retract_before_wipe",
     "filament_long_retractions_when_cut",
     "filament_retraction_distances_when_cut",
+    "long_retractions_when_ec",
+    "retraction_distances_when_ec",
     "nozzle_temperature_initial_layer",
     "nozzle_temperature",
     "filament_flush_volumetric_speed",

src/libslic3r/PrintConfig.hpp

@@ -1271,6 +1271,8 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionInt,                 enable_long_retraction_when_cut))
     ((ConfigOptionFloats,              retraction_distances_when_cut))
     ((ConfigOptionBools,               long_retractions_when_cut))
+    ((ConfigOptionFloatsNullable,      retraction_distances_when_ec))
+    ((ConfigOptionBoolsNullable,       long_retractions_when_ec))
     ((ConfigOptionFloats,              z_hop))
     // BBS
     ((ConfigOptionEnumsGeneric,        z_hop_types))