From 8f192b67b56f97f3b730355d1f7556f6b3097e97 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20=C5=A0ach?= <martin.sachin@gmail.com>
Date: Tue, 13 Feb 2024 17:10:02 +0100
Subject: [PATCH] Fix retract only if travel is long enough and add wipe

---
 src/libslic3r/GCode.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index f448919df9..81730128d5 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -2143,8 +2143,8 @@ std::string GCodeGenerator::get_layer_change_gcode(const Vec3d& from, const Vec3
     )};
 
     std::string travel_gcode;
-    if (this->m_config.retract_before_travel.get_at(extruder_id) > xy_path.length()) {
-        travel_gcode += this->writer().retract();
+    if (this->m_config.retract_before_travel.get_at(extruder_id) < (to - from).norm()) {
+        travel_gcode += this->retract_and_wipe();
     }
     Vec3d previous_point{this->point_to_gcode(travel.front())};
     for (const Vec3crd& point : tcb::span{travel}.subspan(1)) {
@@ -3036,7 +3036,7 @@ std::string GCodeGenerator::travel_to_first_position(const Vec3crd& point) {
         if (!this->last_position ||
             EXTRUDER_CONFIG(retract_before_travel) <
                 (this->point_to_gcode(*this->last_position) - gcode_point.head<2>()).norm()) {
-            gcode += this->writer().retract();
+            gcode += this->retract_and_wipe();
         }
     }
     this->last_position = point.head<2>();