Base extruder train on currently processing mesh group

There are almost never any settings in the mesh group (unless the user has enabled per-object settings and one-at-a-time mode). But in those cases it will now properly take per-mesh-group settings.

Contributes to issue CURA-4410.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/Scene.cpp b/src/Scene.cpp
index ffe67b4e8..3edded3b5 100644
--- a/src/Scene.cpp
+++ b/src/Scene.cpp
@@ -22,6 +22,10 @@ void Scene::compute()
     for (std::vector<MeshGroup>::iterator mesh_group = mesh_groups.begin(); mesh_group != mesh_groups.end(); mesh_group++)
     {
         current_mesh_group = mesh_group;
+        for (ExtruderTrain& extruder : extruders)
+        {
+            extruder.settings.setParent(&current_mesh_group->settings);
+        }
         processMeshGroup(*mesh_group);
     }
 }