ENH: get start_gcode filament

Change-Id: Ia511f758d5c59ddc38c79f251e8c95511de4a235

resources/profiles/BBL.json

@@ -1,7 +1,7 @@
 {
     "name": "Bambulab",
     "url": "http://www.bambulab.com/Parameters/vendor/BBL.json",
-    "version": "01.05.00.19",
+    "version": "01.05.00.20",
     "force_update": "0",
     "description": "the initial version of BBL configurations",
     "machine_model_list": [

resources/profiles/BBL/machine/fdm_bbl_3dp_001_common.json

@@ -157,7 +157,7 @@
     "nozzle_type": "hardened_steel",
     "silent_mode": "0",
     "single_extruder_multi_material": "1",
-    "change_filament_gcode": "M620 S[next_extruder]A\nM204 S9000\n{if toolchange_count > 1 && (z_hop_types[current_extruder] == 0 || z_hop_types[current_extruder] == 3)}\nG17\nG2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\n{endif}\nG1 Z{max_layer_z + 3.0} F1200\n\nG1 X70 F21000\nG1 Y245\nG1 Y265 F3000\nM400\nM106 P1 S0\nM106 P2 S0\n{if old_filament_temp > 142 && next_extruder < 255}M104 S[old_filament_temp]{endif}\nG1 X90 F3000\nG1 Y255 F4000\nG1 X100 F5000\nG1 X120 F15000\n\nG1 X20 Y50 F21000\nG1 Y-3\n{if toolchange_count == 2}\n; get travel path for change filament\nM620.1 X[travel_point_1_x] Y[travel_point_1_y] F21000 P0\nM620.1 X[travel_point_2_x] Y[travel_point_2_y] F21000 P1\nM620.1 X[travel_point_3_x] Y[travel_point_3_y] F21000 P2\n{endif}\nT[next_extruder]\nM620.1 E F{new_filament_e_feedrate}\n\n{if next_extruder < 255}\nM400\n\nG92 E0\n{if flush_length_1 > 1}\n; FLUSH_START\n; always use highest temperature to flush\nM400\nM109 S[nozzle_temperature_range_high]\n{if flush_length_1 > 23.7}\nG1 E23.7 F{old_filament_e_feedrate} ; do not need pulsatile flushing for start part\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{old_filament_e_feedrate}\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}\n{else}\nG1 E{flush_length_1} F{old_filament_e_feedrate}\n{endif}\n; FLUSH_END\nG1 E-[old_retract_length_toolchange] F1800\nG1 E[old_retract_length_toolchange] F300\n{endif}\n\n{if flush_length_2 > 1}\n; FLUSH_START\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\n; FLUSH_END\nG1 E-[new_retract_length_toolchange] F1800\nG1 E[new_retract_length_toolchange] F300\n{endif}\n\n{if flush_length_3 > 1}\n; FLUSH_START\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\n; FLUSH_END\nG1 E-[new_retract_length_toolchange] F1800\nG1 E[new_retract_length_toolchange] F300\n{endif}\n\n{if flush_length_4 > 1}\n; FLUSH_START\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\n; FLUSH_END\n{endif}\n; FLUSH_START\nM400\nM109 S[new_filament_temp]\nG1 E2 F{new_filament_e_feedrate} ;Compensate for filament spillage during waiting temperature\n; FLUSH_END\nM400\nG92 E0\nG1 E-[new_retract_length_toolchange] F1800\nM106 P1 S255\nM400 S3\nG1 X80 F15000\nG1 X60 F15000\nG1 X80 F15000\nG1 X60 F15000; shake to put down garbage\n\nG1 X70 F5000\nG1 X90 F3000\nG1 Y255 F4000\nG1 X100 F5000\nG1 Y265 F5000\nG1 X70 F10000\nG1 X100 F5000\nG1 X70 F10000\nG1 X100 F5000\nG1 X165 F15000; wipe and shake\nG1 Y256 ; move Y to aside, prevent collision\nM400\nG1 Z{max_layer_z + 3.0} F3000\n{if layer_z <= (initial_layer_print_height + 0.001)}\nM204 S[initial_layer_acceleration]\n{else}\nM204 S[default_acceleration]\n{endif}\n{else}\nG1 X[x_after_toolchange] Y[y_after_toolchange] Z[z_after_toolchange] F12000\n{endif}\nM621 S[next_extruder]A",
+    "change_filament_gcode": "M620 S[next_extruder]A\nM204 S9000\n{if toolchange_count > 1 && (z_hop_types[current_extruder] == 0 || z_hop_types[current_extruder] == 3)}\nG17\nG2 Z{z_after_toolchange + 0.4} I0.86 J0.86 P1 F10000 ; spiral lift a little from second lift\n{endif}\nG1 Z{max_layer_z + 3.0} F1200\n\nG1 X70 F21000\nG1 Y245\nG1 Y265 F3000\nM400\nM106 P1 S0\nM106 P2 S0\n{if old_filament_temp > 142 && next_extruder < 255}M104 S[old_filament_temp]{endif}\nG1 X90 F3000\nG1 Y255 F4000\nG1 X100 F5000\nG1 X120 F15000\n\nG1 X20 Y50 F21000\nG1 Y-3\n{if toolchange_count == 2}\n; get travel path for change filament\nM620.1 X[travel_point_1_x] Y[travel_point_1_y] F21000 P0\nM620.1 X[travel_point_2_x] Y[travel_point_2_y] F21000 P1\nM620.1 X[travel_point_3_x] Y[travel_point_3_y] F21000 P2\n{endif}\nM620.1 E F[old_filament_e_feedrate] T{nozzle_temperature_range_high[previous_extruder]}\nT[next_extruder]\nM620.1 E F[new_filament_e_feedrate] T{nozzle_temperature_range_high[next_extruder]}\n\n{if next_extruder < 255}\nM400\n\nG92 E0\n{if flush_length_1 > 1}\n; FLUSH_START\n; always use highest temperature to flush\nM400\nM109 S[nozzle_temperature_range_high]\n{if flush_length_1 > 23.7}\nG1 E23.7 F{old_filament_e_feedrate} ; do not need pulsatile flushing for start part\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{old_filament_e_feedrate}\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}\nG1 E{(flush_length_1 - 23.7) * 0.02} F50\nG1 E{(flush_length_1 - 23.7) * 0.23} F{new_filament_e_feedrate}\n{else}\nG1 E{flush_length_1} F{old_filament_e_feedrate}\n{endif}\n; FLUSH_END\nG1 E-[old_retract_length_toolchange] F1800\nG1 E[old_retract_length_toolchange] F300\n{endif}\n\n{if flush_length_2 > 1}\n; FLUSH_START\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\nG1 E{flush_length_2 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_2 * 0.02} F50\n; FLUSH_END\nG1 E-[new_retract_length_toolchange] F1800\nG1 E[new_retract_length_toolchange] F300\n{endif}\n\n{if flush_length_3 > 1}\n; FLUSH_START\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\nG1 E{flush_length_3 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_3 * 0.02} F50\n; FLUSH_END\nG1 E-[new_retract_length_toolchange] F1800\nG1 E[new_retract_length_toolchange] F300\n{endif}\n\n{if flush_length_4 > 1}\n; FLUSH_START\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\nG1 E{flush_length_4 * 0.18} F{new_filament_e_feedrate}\nG1 E{flush_length_4 * 0.02} F50\n; FLUSH_END\n{endif}\n; FLUSH_START\nM400\nM109 S[new_filament_temp]\nG1 E2 F{new_filament_e_feedrate} ;Compensate for filament spillage during waiting temperature\n; FLUSH_END\nM400\nG92 E0\nG1 E-[new_retract_length_toolchange] F1800\nM106 P1 S255\nM400 S3\nG1 X80 F15000\nG1 X60 F15000\nG1 X80 F15000\nG1 X60 F15000; shake to put down garbage\n\nG1 X70 F5000\nG1 X90 F3000\nG1 Y255 F4000\nG1 X100 F5000\nG1 Y265 F5000\nG1 X70 F10000\nG1 X100 F5000\nG1 X70 F10000\nG1 X100 F5000\nG1 X165 F15000; wipe and shake\nG1 Y256 ; move Y to aside, prevent collision\nM400\nG1 Z{max_layer_z + 3.0} F3000\n{if layer_z <= (initial_layer_print_height + 0.001)}\nM204 S[initial_layer_acceleration]\n{else}\nM204 S[default_acceleration]\n{endif}\n{else}\nG1 X[x_after_toolchange] Y[y_after_toolchange] Z[z_after_toolchange] F12000\n{endif}\nM621 S[next_extruder]A",
     "layer_change_gcode": "; layer num/total_layer_count: {layer_num+1}/[total_layer_count]\nM622.1 S1 ; for prev firware, default turned on\nM1002 judge_flag timelapse_record_flag\nM622 J1\n{if timelapse_type == 0} ; timelapse without wipe tower\nM971 S11 C10 O0\n{elsif timelapse_type == 1} ; timelapse with wipe tower\nG92 E0\nG1 E-[retraction_length] F1800\nG17\nG2 Z{layer_z + 0.4} I0.86 J0.86 P1 F20000 ; spiral lift a little\nG1 X65 Y245 F20000 ; move to safe pos\nG17\nG2 Z{layer_z} I0.86 J0.86 P1 F20000\nG1 Y265 F3000\nM400 P300\nM971 S11 C10 O0\nG92 E0\nG1 E[retraction_length] F300\nG1 X100 F5000\nG1 Y255 F20000\n{endif}\nM623\n; update layer progress\nM73 L{layer_num+1}\nM991 S0 P{layer_num} ;notify layer change",
     "machine_end_gcode": ";===== date: 20230118 =====================\nM400 ; wait for buffer to clear\nG92 E0 ; zero the extruder\nG1 E-0.8 F1800 ; retract\nG1 Z{max_layer_z + 0.5} F900 ; lower z a little\nG1 X65 Y245 F12000 ; move to safe pos \nG1 Y265 F3000\nM991 S0 P-1 ;end smooth timelapse at safe pos\nM400 S2 ;wait for last picture to be taken\n\nG1 X65 Y245 F12000\nG1 Y265 F3000\nM140 S0 ; turn off bed\nM106 S0 ; turn off fan\nM106 P2 S0 ; turn off remote part cooling fan\nM106 P3 S0 ; turn off chamber cooling fan\n\nG1 X100 F12000 ; wipe\n; pull back filament to AMS\nM620 S255\nG1 X20 Y50 F12000\nG1 Y-3\nT255\nG1 X65 F12000\nG1 Y265\nG1 X100 F12000 ; wipe\nM621 S255\nM104 S0 ; turn off hotend\n\nM400 ; wait all motion done\nM17 S\nM17 Z0.4 ; lower z motor current to reduce impact if there is something in the bottom\n{if (max_layer_z + 100.0) < 250}\n    G1 Z{max_layer_z + 100.0} F600\n    G1 Z{max_layer_z +98.0}\n{else}\n    G1 Z250 F600\n    G1 Z248\n{endif}\nM400 P100\nM17 R ; restore z current\n\nG90\nG1 X128 Y250 F3600\n\nM220 S100  ; Reset feedrate magnitude\nM201.2 K1.0 ; Reset acc magnitude\nM73.2   R1.0 ;Reset left time magnitude\nM1002 set_gcode_claim_speed_level : 0\n\nM17 X0.8 Y0.8 Z0.5 ; lower motor current to 45% power\n\n",
     "machine_pause_gcode": "M400 U1\n",

src/libslic3r/GCode.cpp

@@ -1744,6 +1744,7 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
     file.writeln(machine_start_gcode);
     //BBS: gcode writer doesn't know where the real position of extruder is after inserting custom gcode
     m_writer.set_current_position_clear(false);
+    m_start_gcode_filament = GCodeProcessor::get_gcode_last_filament(machine_start_gcode);
 
     // Process filament-specific gcode.
    /* if (has_wipe_tower) {
@@ -4152,13 +4153,17 @@ std::string GCode::set_extruder(unsigned int extruder_id, double print_z)
     int old_filament_temp, old_filament_e_feedrate;
 
     float filament_area = float((M_PI / 4.f) * pow(m_config.filament_diameter.get_at(extruder_id), 2));
-
+    //BBS: add handling for filament change in start gcode
-    if (m_writer.extruder() != nullptr) {
+    int previous_extruder_id = -1;
+    if (m_writer.extruder() != nullptr || m_start_gcode_filament != -1) {
         std::vector<float> flush_matrix(cast<float>(m_config.flush_volumes_matrix.values));
         const unsigned int number_of_extruders = (unsigned int)(sqrt(flush_matrix.size()) + EPSILON);
-        assert(m_writer.extruder()->id() < number_of_extruders);
+        if (m_writer.extruder() != nullptr)
+            assert(m_writer.extruder()->id() < number_of_extruders);
+        else
+            assert(m_start_gcode_filament < number_of_extruders);
 
-        int previous_extruder_id = m_writer.extruder()->id();
+        previous_extruder_id = m_writer.extruder() != nullptr ? m_writer.extruder()->id() : m_start_gcode_filament;
         old_retract_length = m_config.retraction_length.get_at(previous_extruder_id);
         old_retract_length_toolchange = m_config.retract_length_toolchange.get_at(previous_extruder_id);
         old_filament_temp = this->on_first_layer()? m_config.nozzle_temperature_initial_layer.get_at(previous_extruder_id) : m_config.nozzle_temperature.get_at(previous_extruder_id);
@@ -4166,8 +4171,9 @@ std::string GCode::set_extruder(unsigned int extruder_id, double print_z)
         wipe_volume *= m_config.flush_multiplier;
         old_filament_e_feedrate = (int)(60.0 * m_config.filament_max_volumetric_speed.get_at(previous_extruder_id) / filament_area);
         old_filament_e_feedrate = old_filament_e_feedrate == 0 ? 100 : old_filament_e_feedrate;
-    }
+        //BBS: must clean m_start_gcode_filament
-    else {
+        m_start_gcode_filament = -1;
+    } else {
         old_retract_length = 0.f;
         old_retract_length_toolchange = 0.f;
         old_filament_temp = 0;
@@ -4179,7 +4185,7 @@ std::string GCode::set_extruder(unsigned int extruder_id, double print_z)
     new_filament_e_feedrate = new_filament_e_feedrate == 0 ? 100 : new_filament_e_feedrate;
 
     DynamicConfig dyn_config;
-    dyn_config.set_key_value("previous_extruder", new ConfigOptionInt((int)(m_writer.extruder() != nullptr ? m_writer.extruder()->id() : -1)));
+    dyn_config.set_key_value("previous_extruder", new ConfigOptionInt(previous_extruder_id));
     dyn_config.set_key_value("next_extruder", new ConfigOptionInt((int)extruder_id));
     dyn_config.set_key_value("layer_num", new ConfigOptionInt(m_layer_index));
     dyn_config.set_key_value("layer_z", new ConfigOptionFloat(print_z));

src/libslic3r/GCode.hpp

@@ -486,6 +486,7 @@ private:
     unsigned int m_toolchange_count;
     coordf_t m_nominal_z;
     bool m_need_change_layer_lift_z = false;
+    int m_start_gcode_filament = -1;
 
     static bool gcode_label_objects;
 

src/libslic3r/GCode/GCodeProcessor.cpp

@@ -1887,6 +1887,40 @@ template<typename T>
     }
 }
 
+int GCodeProcessor::get_gcode_last_filament(const std::string& gcode_str)
+{
+    int str_size = gcode_str.size();
+    int start_index = 0;
+    int end_index = 0;
+    int out_filament = -1;
+    while (end_index < str_size) {
+        if (gcode_str[end_index] != '\n') {
+            end_index++;
+            continue;
+        }
+
+        if (end_index > start_index) {
+            std::string line_str = gcode_str.substr(start_index, end_index - start_index);
+            line_str.erase(0, line_str.find_first_not_of(" "));
+            line_str.erase(line_str.find_last_not_of(" ") + 1);
+            if (line_str.empty() || line_str[0] != 'T') {
+                start_index = end_index + 1;
+                end_index = start_index;
+                continue;
+            }
+
+            int out = -1;
+            if (parse_number(line_str.substr(1), out) && out >= 0 && out < 255)
+                out_filament = out;
+        }
+
+        start_index = end_index + 1;
+        end_index = start_index;
+    }
+
+    return out_filament;
+}
+
 void GCodeProcessor::process_tags(const std::string_view comment, bool producers_enabled)
 {
     // producers tags

src/libslic3r/GCode/GCodeProcessor.hpp

@@ -237,6 +237,8 @@ namespace Slic3r {
         // (the first max_count found tags are returned into found_tag)
         static bool contains_reserved_tags(const std::string& gcode, unsigned int max_count, std::vector<std::string>& found_tag);
 
+        static int get_gcode_last_filament(const std::string &gcode_str);
+
         static const float Wipe_Width;
         static const float Wipe_Height;
 

src/libslic3r/PrintConfig.cpp

@@ -2509,7 +2509,7 @@ void PrintConfigDef::init_fff_params()
 
     def = this->add("support_filament", coInt);
     def->gui_type = ConfigOptionDef::GUIType::i_enum_open;
-    def->label    = L("Support base");
+    def->label    = L("Support/raft base");
     def->category = L("Support");
     def->tooltip = L("Filament to print support base and raft. \"Default\" means no specific filament for support and current filament is used");
     def->min = 0;
@@ -2534,7 +2534,7 @@ void PrintConfigDef::init_fff_params()
 
     def = this->add("support_interface_filament", coInt);
     def->gui_type = ConfigOptionDef::GUIType::i_enum_open;
-    def->label    = L("Support interface");
+    def->label    = L("Support/raft interface");
     def->category = L("Support");
     def->tooltip = L("Filament to print support interface. \"Default\" means no specific filament for support interface and current filament is used");
     def->min = 0;