Some fixes after preceding merge. Moved mmu_segmented_region_max_width

from PrintConfig to PrintObjectConfig.

src/libslic3r/Model.cpp

@@ -2075,43 +2075,34 @@ bool model_volume_list_changed(const ModelObject &model_object_old, const ModelO
     });
 }
 
-bool model_custom_supports_data_changed(const ModelObject& mo, const ModelObject& mo_new) {
+bool model_custom_supports_data_changed(const ModelObject& mo, const ModelObject& mo_new)
+{
     assert(! model_volume_list_changed(mo, mo_new, ModelVolumeType::MODEL_PART));
-    // FIXME Lukas H.: Because of adding another mesh modifiers when slicing, then assert triggered and possible crash. It requires changing the integration of MMU segmentation.
+    for (size_t i = 0; i < mo.volumes.size(); ++ i)
-//    assert(mo.volumes.size() == mo_new.volumes.size());
-//    for (size_t i=0; i<mo.volumes.size(); ++i) {
-    for (size_t i=0; i<std::min(mo.volumes.size(), mo_new.volumes.size()); ++i) {
         if (! mo_new.volumes[i]->supported_facets.timestamp_matches(mo.volumes[i]->supported_facets))
             return true;
-    }
     return false;
 }
 
-bool model_custom_seam_data_changed(const ModelObject& mo, const ModelObject& mo_new) {
+bool model_custom_seam_data_changed(const ModelObject& mo, const ModelObject& mo_new)
+{
     assert(! model_volume_list_changed(mo, mo_new, ModelVolumeType::MODEL_PART));
-    // FIXME Lukas H.: Because of adding another mesh modifiers when slicing, then assert triggered and possible crash. It requires changing the integration of MMU segmentation.
+    for (size_t i = 0; i < mo.volumes.size(); ++ i)
-//    assert(mo.volumes.size() == mo_new.volumes.size());
-//    for (size_t i=0; i<mo.volumes.size(); ++i) {
-    for (size_t i=0; i<std::min(mo.volumes.size(), mo_new.volumes.size()); ++i) {
         if (! mo_new.volumes[i]->seam_facets.timestamp_matches(mo.volumes[i]->seam_facets))
             return true;
-    }
     return false;
 }
 
-bool model_mmu_segmentation_data_changed(const ModelObject& mo, const ModelObject& mo_new) {
+bool model_mmu_segmentation_data_changed(const ModelObject& mo, const ModelObject& mo_new)
+{
     assert(! model_volume_list_changed(mo, mo_new, ModelVolumeType::MODEL_PART));
-    // FIXME Lukas H.: Because of adding another mesh modifiers when slicing, then assert triggered and possible crash. It requires changing the integration of MMU segmentation.
+    for (size_t i = 0; i < mo.volumes.size(); ++ i)
-//    assert(mo.volumes.size() == mo_new.volumes.size());
-//    for (size_t i=0; i<mo.volumes.size(); ++i) {
-    for (size_t i=0; i<std::min(mo.volumes.size(), mo_new.volumes.size()); ++i) {
         if (! mo_new.volumes[i]->mmu_segmentation_facets.timestamp_matches(mo.volumes[i]->mmu_segmentation_facets))
             return true;
-    }
     return false;
 }
 
-extern bool model_has_multi_part_objects(const Model &model)
+bool model_has_multi_part_objects(const Model &model)
 {
     for (const ModelObject *model_object : model.objects)
     	if (model_object->volumes.size() != 1 || ! model_object->volumes.front()->is_model_part())
@@ -2119,7 +2110,7 @@ extern bool model_has_multi_part_objects(const Model &model)
     return false;
 }
 
-extern bool model_has_advanced_features(const Model &model)
+bool model_has_advanced_features(const Model &model)
 {
 	auto config_is_advanced = [](const ModelConfig &config) {
         return ! (config.empty() || (config.size() == 1 && config.cbegin()->first == "extruder"));

src/libslic3r/MultiMaterialSegmentation.cpp

@@ -1511,7 +1511,7 @@ std::vector<std::vector<std::pair<ExPolygon, size_t>>> multi_material_segmentati
         }
     }); // end of parallel_for
 
-    if (auto w = print_object.print()->config().mmu_segmented_region_max_width; w > 0.f)
+    if (auto w = print_object.config().mmu_segmented_region_max_width; w > 0.f)
         cut_segmented_layers(input_expolygons, segmented_regions, float(-scale_(w)));
 
 //    return segmented_regions;

src/libslic3r/Print.cpp

@@ -216,8 +216,6 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
             osteps.emplace_back(posSupportMaterial);
             steps.emplace_back(psSkirt);
             steps.emplace_back(psBrim);
-        } else if (opt_key == "mmu_segmented_region_max_width") {
-            invalidated |= this->invalidate_all_steps();
         } else {
             // for legacy, if we can't handle this option let's invalidate all steps
             //FIXME invalidate all steps of all objects as well?

src/libslic3r/PrintApply.cpp

@@ -72,6 +72,8 @@ static inline void model_volume_list_copy_configs(ModelObject &model_object_dst,
         mv_dst.supported_facets.assign(mv_src.supported_facets);
         assert(mv_dst.seam_facets.id() == mv_src.seam_facets.id());
         mv_dst.seam_facets.assign(mv_src.seam_facets);
+        assert(mv_dst.mmu_segmentation_facets.id() == mv_src.mmu_segmentation_facets.id());
+        mv_dst.mmu_segmentation_facets.assign(mv_src.mmu_segmentation_facets);
         //FIXME what to do with the materials?
         // mv_dst.m_material_id = mv_src.m_material_id;
         ++ i_src;

src/libslic3r/PrintConfig.hpp

@@ -443,6 +443,7 @@ PRINT_CONFIG_CLASS_DEFINE(
     // Force the generation of solid shells between adjacent materials/volumes.
     ((ConfigOptionBool,                interface_shells))
     ((ConfigOptionFloat,               layer_height))
+    ((ConfigOptionFloat,               mmu_segmented_region_max_width))
     ((ConfigOptionFloat,               raft_contact_distance))
     ((ConfigOptionFloat,               raft_expansion))
     ((ConfigOptionPercent,             raft_first_layer_density))
@@ -699,7 +700,6 @@ PRINT_CONFIG_CLASS_DERIVED_DEFINE(
     ((ConfigOptionFloat,              max_print_height))
     ((ConfigOptionFloats,             min_print_speed))
     ((ConfigOptionFloat,              min_skirt_length))
-    ((ConfigOptionFloat,              mmu_segmented_region_max_width))
     ((ConfigOptionString,             notes))
     ((ConfigOptionFloats,             nozzle_diameter))
     ((ConfigOptionBool,               only_retract_when_crossing_perimeters))

src/libslic3r/PrintObject.cpp

@@ -523,6 +523,7 @@ bool PrintObject::invalidate_state_by_config_options(
         } else if (
                opt_key == "layer_height"
             || opt_key == "first_layer_height"
+            || opt_key == "mmu_segmented_region_max_width"
             || opt_key == "raft_layers"
             || opt_key == "raft_contact_distance"
             || opt_key == "slice_closing_radius") {