CURA-11796 Combine the long and short unretracts at nozzle switch (#2103

)
Ultimaker · Jun 27, 2024 · 1c9db2e · 1c9db2e
2 parents 61576f2 + 6247895
commit 1c9db2e
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Showing 3 changed files with 11 additions and 1 deletion.
diff --git a/include/pathPlanning/GCodePath.h b/include/pathPlanning/GCodePath.h
@@ -40,6 +40,7 @@ struct GCodePath
     Ratio speed_factor{ 1.0 }; //!< A speed factor that is multiplied with the travel speed. This factor can be used to change the travel speed.
     Ratio speed_back_pressure_factor{ 1.0 }; // <! The factor the (non-travel) speed should be multiplied with as a consequence of back pressure compensation.
     bool retract{ false }; //!< Whether the path is a move path preceded by a retraction move; whether the path is a retracted move path.
+    bool retract_for_nozzle_switch{ false }; //! Also retract to prepare for a nozzle switch
     bool unretract_before_last_travel_move{ false }; //!< Whether the last move of the path should be preceded by an unretraction. Used to unretract in the last travel move before
                                                      //!< an outer wall
     bool perform_z_hop{ false }; //!< Whether to perform a z_hop in this path, which is assumed to be a travel path.

diff --git a/src/LayerPlan.cpp b/src/LayerPlan.cpp
@@ -267,7 +267,8 @@ bool LayerPlan::setExtruder(const size_t extruder_nr)
         }
         if (end_pos_absolute || last_planned_position_)
         {
-            addTravel(end_pos); //  + extruder_offset cause it
+            GCodePath& path = addTravel(end_pos); //  + extruder_offset cause it
+            path.retract_for_nozzle_switch = true;
         }
     }
     if (extruder_plans_.back().paths_.empty() && extruder_plans_.back().inserts_.empty())
@@ -2227,6 +2228,12 @@ void LayerPlan::writeGCode(GCodeExport& gcode)
             {
                 retraction_config = path.mesh ? &path.mesh->retraction_wipe_config : retraction_config;
                 gcode.writeRetraction(retraction_config->retraction_config);
+                if (path.retract_for_nozzle_switch)
+                {
+                    constexpr bool force = true;
+                    constexpr bool extruder_switch = true;
+                    gcode.writeRetraction(retraction_config->extruder_switch_retraction_config, force, extruder_switch);
+                }
                 insertTempOnTime(extruder_plan.getRetractTime(path), path_idx);
                 if (path.perform_z_hop)
                 {

diff --git a/src/plugins/converters.cpp b/src/plugins/converters.cpp
@@ -347,6 +347,7 @@ gcode_paths_modify_request::value_type
         gcode_path->set_speed_factor(path.speed_factor);
         gcode_path->set_speed_back_pressure_factor(path.speed_back_pressure_factor);
         gcode_path->set_retract(path.retract);
+        gcode_path->set_retract_for_nozzle_switch(path.retract_for_nozzle_switch);
         gcode_path->set_unretract_before_last_travel_move(path.unretract_before_last_travel_move);
         gcode_path->set_perform_z_hop(path.perform_z_hop);
         gcode_path->set_perform_prime(path.perform_prime);
@@ -464,6 +465,7 @@ gcode_paths_modify_response::native_value_type
             .speed_factor = gcode_path_msg.speed_factor(),
             .speed_back_pressure_factor = gcode_path_msg.speed_back_pressure_factor(),
             .retract = gcode_path_msg.retract(),
+            .retract_for_nozzle_switch = gcode_path_msg.retract_for_nozzle_switch(),
             .unretract_before_last_travel_move = gcode_path_msg.unretract_before_last_travel_move(),
             .perform_z_hop = gcode_path_msg.perform_z_hop(),
             .perform_prime = gcode_path_msg.perform_prime(),