preheat work - done

resources/profiles/Custom.json

@@ -1,6 +1,6 @@
 {
     "name": "Custom Printer",
-    "version": "02.01.03.00",
+    "version": "02.01.04.00",
     "force_update": "0",
     "description": "My configurations",
     "machine_model_list": [

resources/profiles/Custom/machine/fdm_toolchanger_common.json

@@ -182,7 +182,7 @@
     "purge_in_prime_tower": "0",
     "machine_pause_gcode": "M601",
     "machine_start_gcode": "PRINT_START  TOOL_TEMP={first_layer_temperature[initial_tool]} {if is_extruder_used[0]}T0_TEMP={first_layer_temperature[0]}{endif} {if is_extruder_used[1]}T1_TEMP={first_layer_temperature[1]}{endif} {if is_extruder_used[2]}T2_TEMP={first_layer_temperature[2]}{endif} {if is_extruder_used[3]}T3_TEMP={first_layer_temperature[3]}{endif} {if is_extruder_used[4]}T4_TEMP={first_layer_temperature[4]}{endif} {if is_extruder_used[5]}T5_TEMP={first_layer_temperature[5]}{endif}  BED_TEMP=[first_layer_bed_temperature] TOOL=[initial_tool]\n\n",
-    "change_filament_gcode": "M104 S{nozzle_temperature[next_extruder]} T[next_extruder] ; set new tool temperature so it can start heating while changing",
+    "change_filament_gcode": "",
     "scan_first_layer": "0",
     "nozzle_type": "undefine",
     "auxiliary_fan": "0"

resources/profiles/Custom/process/fdm_process_mytoolchanger_common.json

@@ -23,5 +23,9 @@
     "enable_prime_tower": "1",
     "wipe_tower_cone_angle": "25",
     "wipe_tower_extra_spacing": "150%",
-    "wipe_tower_rotation_angle": "90"
+    "wipe_tower_rotation_angle": "90",
+    "ooze_prevention": "1",
+	"standby_temperature_delta": "-40",
+    "preheat_time": "30",
+    "preheat_steps": "1"
 }

resources/profiles/Prusa.json

@@ -1,6 +1,6 @@
 {
     "name": "Prusa",
-    "version": "02.01.01.30",
+    "version": "02.01.02.30",
     "force_update": "0",
     "description": "Prusa configurations",
     "machine_model_list": [

resources/profiles/Prusa/process/process_common_xl_5t.json

@@ -10,5 +10,7 @@
     "wipe_tower_rotation_angle": "90",
     "single_extruder_multi_material_priming": "0",
     "ooze_prevention": "1",
-	"standby_temperature_delta": "-40"
+	"standby_temperature_delta": "-40",
+    "preheat_time": "120",
+    "preheat_steps": "10"
 }

src/libslic3r/GCode/GCodeProcessor.cpp

@@ -1058,7 +1058,12 @@ void GCodeProcessor::apply_config(const PrintConfig& config)
 
     // Orca: 
     m_is_XL_printer = is_XL_printer(config);
-    m_result.backtrace_enabled = m_is_XL_printer || ( !m_single_extruder_multi_material && extruders_count > 1);
+    m_preheat_time = config.preheat_time;
+    m_preheat_steps = config.preheat_steps;
+    // sanity check
+    if(m_preheat_steps < 1)
+        m_preheat_steps = 1;
+    m_result.backtrace_enabled = m_preheat_time > 0 && (m_is_XL_printer || (!m_single_extruder_multi_material && extruders_count > 1));
 
     m_extruder_offsets.resize(extruders_count);
     m_extruder_colors.resize(extruders_count);
@@ -1570,6 +1575,8 @@ void GCodeProcessor::reset()
     m_detect_layer_based_on_tag = false;
 
     m_seams_count = 0;
+    m_preheat_time = 0.f;
+    m_preheat_steps = 1;
 
 #if ENABLE_GCODE_VIEWER_DATA_CHECKING
     m_mm3_per_mm_compare.reset();
@@ -4465,7 +4472,7 @@ void GCodeProcessor::run_post_process()
         struct Backtrace
         {
             float time{ 60.0f };
-            unsigned int steps{ 10 };
+            int steps{ 10 };
             float time_step() const { return time / float(steps); }
         };
 
@@ -4601,11 +4608,18 @@ void GCodeProcessor::run_post_process()
         void insert_lines(const Backtrace& backtrace, const std::string& cmd,
             std::function<std::string(unsigned int, const std::vector<float>&)> line_inserter,
             std::function<std::string(const std::string&)> line_replacer) {
+            // Orca: find start pos by seaching G28/G29/PRINT_START/START_PRINT commands
+            auto is_start_pos = [](const std::string& curr_cmd) {
+                return boost::iequals(curr_cmd, "G28") 
+                || boost::iequals(curr_cmd, "G29") 
+                || boost::iequals(curr_cmd, "PRINT_START") 
+                || boost::iequals(curr_cmd, "START_PRINT");
+            };
             assert(!m_lines.empty());
             const float time_step = backtrace.time_step();
             size_t rev_it_dist = 0; // distance from the end of the cache of the starting point of the backtrace
             float last_time_insertion = 0.0f; // used to avoid inserting two lines at the same time
-            for (unsigned int i = 0; i < backtrace.steps; ++i) {
+            for (int i = 0; i < backtrace.steps; ++i) {
                 const float backtrace_time_i = (i + 1) * time_step;
                 const float time_threshold_i = m_times[Normal] - backtrace_time_i;
                 auto rev_it = m_lines.rbegin() + rev_it_dist;
@@ -4613,18 +4627,15 @@ void GCodeProcessor::run_post_process()
 
                 std::string curr_cmd = GCodeReader::GCodeLine::extract_cmd(rev_it->line);
                 // backtrace into the cache to find the place where to insert the line
-                while (rev_it != m_lines.rend() && rev_it->times[Normal] > time_threshold_i && curr_cmd != cmd && curr_cmd != "G28" && curr_cmd != "G29") {
+                while (rev_it != m_lines.rend() && rev_it->times[Normal] > time_threshold_i && curr_cmd != cmd && !is_start_pos(curr_cmd)) {
                     rev_it->line = line_replacer(rev_it->line);
                     ++rev_it;
                     if (rev_it != m_lines.rend())
                         curr_cmd = GCodeReader::GCodeLine::extract_cmd(rev_it->line);
                 }
 
-                // we met the previous evenience of cmd, or a G28/G29 command. stop inserting lines
-                // Orca: 1. Use boost::iequals to handle g28/g29 cases 
-                //       2. Handle PRINT_START and START_PRINT to the stop condition
-                if (rev_it != m_lines.rend() && (curr_cmd == cmd || boost::iequals(curr_cmd, "G28") || boost::iequals(curr_cmd, "G29") ||
-                                                 boost::iequals(curr_cmd, "PRINT_START") || boost::iequals(curr_cmd, "START_PRINT")))
+                // we met the previous evenience of cmd, or the start position, stop inserting lines
+                if (rev_it != m_lines.rend() && (curr_cmd == cmd || is_start_pos(curr_cmd)))
                     break;
 
                 // insert the line for the current step
@@ -4970,8 +4981,8 @@ void GCodeProcessor::run_post_process()
                         out += " S" + std::to_string(temperature) + "\n";
                         return out;
                     } else {
-                        std::string comment = "preheat tool " + std::to_string(tool_number) +
-                                              "time: " + std::to_string(std::round(time_diffs[0])) + "s";
+                        std::string comment = "preheat T" + std::to_string(tool_number) +
+                                              " time: " + std::to_string((int) std::round(time_diffs[0])) + "s";
                         return GCodeWriter::set_temperature(temperature, this->m_flavor, false, tool_number, comment);
                     }
                 },
@@ -4983,7 +4994,7 @@ void GCodeProcessor::run_post_process()
                         reader.parse_line(line, [&gline](GCodeReader& reader, const GCodeReader::GCodeLine& l) { gline = l; });
 
                         float val;
-                        if (gline.has_value('T', val) && gline.raw().find("cooldown") != std::string::npos && m_is_XL_printer) {
+                        if (gline.has_value('T', val) && gline.raw().find("cooldown") != std::string::npos) {
                             if (static_cast<int>(val) == tool_number)
                                 return std::string("; removed M104\n");
                         }
@@ -4998,7 +5009,7 @@ void GCodeProcessor::run_post_process()
 
     unsigned int line_id = 0;
     // Backtrace data for Tx gcode lines
-    static const ExportLines::Backtrace backtrace_T = { 120.0f, 10 };
+    const ExportLines::Backtrace backtrace_T = { m_preheat_time, m_preheat_steps };
     // In case there are multiple sources of backtracing, keeps track of the longest backtrack time needed
     // to flush the backtrace cache accordingly
     float max_backtrace_time = 120.0f;

src/libslic3r/GCode/GCodeProcessor.hpp

@@ -731,6 +731,8 @@ class Print;
         bool m_detect_layer_based_on_tag {false};
         int m_seams_count;
         bool m_single_extruder_multi_material;
+        float m_preheat_time;
+        int m_preheat_steps;
 #if ENABLE_GCODE_VIEWER_STATISTICS
         std::chrono::time_point<std::chrono::high_resolution_clock> m_start_time;
 #endif // ENABLE_GCODE_VIEWER_STATISTICS

src/libslic3r/Preset.cpp

@@ -784,7 +784,7 @@ static std::vector<std::string> s_Preset_print_options {
     "support_top_z_distance", "support_on_build_plate_only","support_critical_regions_only", "bridge_no_support", "thick_bridges", "thick_internal_bridges","dont_filter_internal_bridges", "max_bridge_length", "print_sequence", "print_order", "support_remove_small_overhang",
     "filename_format", "wall_filament", "support_bottom_z_distance",
     "sparse_infill_filament", "solid_infill_filament", "support_filament", "support_interface_filament","support_interface_not_for_body",
-    "ooze_prevention", "standby_temperature_delta", "interface_shells", "line_width", "initial_layer_line_width",
+    "ooze_prevention", "standby_temperature_delta", "preheat_time","preheat_steps", "interface_shells", "line_width", "initial_layer_line_width",
     "inner_wall_line_width", "outer_wall_line_width", "sparse_infill_line_width", "internal_solid_infill_line_width",
     "top_surface_line_width", "support_line_width", "infill_wall_overlap","top_bottom_infill_wall_overlap", "bridge_flow", "internal_bridge_flow",
     "elefant_foot_compensation", "elefant_foot_compensation_layers", "xy_contour_compensation", "xy_hole_compensation", "resolution", "enable_prime_tower",

src/libslic3r/Print.cpp

@@ -161,6 +161,8 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
         "use_firmware_retraction",
         "slow_down_layer_time",
         "standby_temperature_delta",
+        "preheat_time",
+        "preheat_steps",
         "machine_start_gcode",
         "filament_start_gcode",
         "change_filament_gcode",

src/libslic3r/PrintConfig.cpp

@@ -4079,6 +4079,26 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->set_default_value(new ConfigOptionInt(-5));
 
+    def = this->add("preheat_time", coFloat);
+    def->label = L("Preheat time");
+    def->tooltip = L("To reduce the waiting time after tool change, Orca can preheat the next tool while the current tool is still in use. "
+                     "This setting specifies the time in seconds to preheat the next tool. Orca will insert a M104 command to preheat the tool in advance.");
+    def->sidetext = "s";
+    def->min = 0;
+    def->max = 120;
+    def->mode = comAdvanced;
+    def->set_default_value(new ConfigOptionFloat(30.0));
+
+    def = this->add("preheat_steps", coInt);
+    def->label = L("Preheat steps");
+    def->tooltip = L("Insert multiple preheat commands(e.g. M104.1). Only useful for Prusa XL. For other printers, please set it to 1.");
+    // def->sidetext = "";
+    def->min = 1;
+    def->max = 10;
+    def->mode = comDevelop;
+    def->set_default_value(new ConfigOptionInt(1));
+
+
     def = this->add("machine_start_gcode", coString);
     def->label = L("Start G-code");
     def->tooltip = L("Start G-code when start the whole printing");

src/libslic3r/PrintConfig.hpp

@@ -1225,6 +1225,8 @@ PRINT_CONFIG_CLASS_DERIVED_DEFINE(
     ((ConfigOptionBool,               spiral_mode_smooth))
     ((ConfigOptionFloatOrPercent,     spiral_mode_max_xy_smoothing))
     ((ConfigOptionInt,                standby_temperature_delta))
+    ((ConfigOptionFloat,                preheat_time))
+    ((ConfigOptionInt,                preheat_steps))
     ((ConfigOptionInts,               nozzle_temperature))
     ((ConfigOptionBools,              wipe))
     // BBS

src/slic3r/GUI/ConfigManipulation.cpp

@@ -667,7 +667,10 @@ void ConfigManipulation::toggle_print_fff_options(DynamicPrintConfig *config, co
     toggle_field("print_order", !have_sequential_printing);
     
     bool have_ooze_prevention = config->opt_bool("ooze_prevention");
-    toggle_field("standby_temperature_delta", have_ooze_prevention);
+    toggle_line("standby_temperature_delta", have_ooze_prevention);
+    toggle_line("preheat_time", have_ooze_prevention);
+    int preheat_steps = config->opt_int("preheat_steps");
+    toggle_line("preheat_steps", have_ooze_prevention && (preheat_steps > 0));
 
     bool have_prime_tower = config->opt_bool("enable_prime_tower");
     for (auto el : { "prime_tower_width", "prime_tower_brim_width"})

src/slic3r/GUI/Tab.cpp

@@ -2299,6 +2299,8 @@ void TabPrint::build()
         optgroup = page->new_optgroup(L("Ooze prevention"));
         optgroup->append_single_option_line("ooze_prevention");
         optgroup->append_single_option_line("standby_temperature_delta");
+        optgroup->append_single_option_line("preheat_time");
+        optgroup->append_single_option_line("preheat_steps");
 
         optgroup = page->new_optgroup(L("Flush options"), L"param_flush");
         optgroup->append_single_option_line("flush_into_infill", "reduce-wasting-during-filament-change#wipe-into-infill");