From 012ba11000d9e32d582fcc7dad2f79181b27096a Mon Sep 17 00:00:00 2001
From: Stewart Allen <stewart.allen@gmail.com>
Date: Wed, 9 Feb 2022 09:50:23 -0500
Subject: [PATCH] add forced retractions when switching between widgets

---
 src/kiri-mode/fdm/prepare.js | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/kiri-mode/fdm/prepare.js b/src/kiri-mode/fdm/prepare.js
index 08cfc061..3c3b65f9 100644
--- a/src/kiri-mode/fdm/prepare.js
+++ b/src/kiri-mode/fdm/prepare.js
@@ -511,6 +511,14 @@
                 if (firstExt === undefined) {
                     firstExt = slice.extruder;
                 }
+
+                // when layers switch between widgets, force retraction
+                let forceRetract = lastOut && lastOut.widget !== slice.widget;
+                if (forceRetract && output.length) {
+                    // selecet last output of last layer
+                    output.last().last().retract = true;
+                }
+
                 let params = getRangeParameters(process, slice.index);
                 slice.prep = true;
                 // retract between widgets or layers (when set)
@@ -559,6 +567,7 @@
                         }
                     }
                 );
+
                 lastOut = slice;
                 lastExt = lastOut.extruder;
                 lastPoly = slice.lastPoly;