Fxied a regression that wall order can't be set in height modifier

src/libslic3r/GCode.cpp

@@ -4126,7 +4126,7 @@ LayerResult GCode::process_layer(
                     m_last_obj_copy = this_object_copy;
                     this->set_origin(unscale(offset));
                     //FIXME the following code prints regions in the order they are defined, the path is not optimized in any way.
-                    bool is_infill_first =print.config().is_infill_first;
+                    bool is_infill_first =m_config.is_infill_first;
 
                     auto has_infill = [](const std::vector<ObjectByExtruder::Island::Region> &by_region) {
                         for (auto region : by_region) {

src/libslic3r/GCode/ToolOrdering.cpp

@@ -1047,7 +1047,7 @@ float WipingExtrusions::mark_wiping_extrusions(const Print& print, unsigned int
                 if (!object->config().flush_into_infill && !object->config().flush_into_objects && !object->config().flush_into_support)
                     continue;
                 bool wipe_into_infill_only = !object->config().flush_into_objects && object->config().flush_into_infill;
-                bool is_infill_first = print.config().is_infill_first;
+                bool is_infill_first = region.config().is_infill_first;
                 if (is_infill_first != perimeters_done || wipe_into_infill_only) {
                     for (const ExtrusionEntity* ee : layerm->fills.entities) {                      // iterate through all infill Collections
                         auto* fill = dynamic_cast<const ExtrusionEntityCollection*>(ee);
@@ -1160,7 +1160,7 @@ void WipingExtrusions::ensure_perimeters_infills_order(const Print& print)
                 if (!object->config().flush_into_infill && !object->config().flush_into_objects)
                     continue;
 
-                bool is_infill_first = print.config().is_infill_first;
+                bool is_infill_first = region.config().is_infill_first;
                 for (const ExtrusionEntity* ee : layerm->fills.entities) {                      // iterate through all infill Collections
                     auto* fill = dynamic_cast<const ExtrusionEntityCollection*>(ee);
 

src/libslic3r/PerimeterGenerator.cpp

@@ -1731,15 +1731,15 @@ void PerimeterGenerator::process_classic()
             // if brim will be printed, reverse the order of perimeters so that
             // we continue inwards after having finished the brim
             // TODO: add test for perimeter order
-            bool is_outer_wall_first = this->object_config->wall_sequence == WallSequence::OuterInner;
+            bool is_outer_wall_first = this->config->wall_sequence == WallSequence::OuterInner;
             if (is_outer_wall_first ||
                 //BBS: always print outer wall first when there indeed has brim.
                 (this->layer_id == 0 &&
                     this->object_config->brim_type == BrimType::btOuterOnly &&
                     this->object_config->brim_width.value > 0))
                 entities.reverse();
             // SoftFever: sandwich mode 
-            else if (this->object_config->wall_sequence == WallSequence::InnerOuterInner)
+            else if (this->config->wall_sequence == WallSequence::InnerOuterInner)
                 if (entities.entities.size() > 1){
                     int              last_outer=0;
                     int              outer = 0;
@@ -2036,12 +2036,12 @@ void PerimeterGenerator::process_arachne()
         int direction = -1;
 
 		bool is_outer_wall_first =
-            	this->object_config->wall_sequence == WallSequence::OuterInner ||
-            	this->object_config->wall_sequence == WallSequence::InnerOuterInner;
+            	this->config->wall_sequence == WallSequence::OuterInner ||
+            	this->config->wall_sequence == WallSequence::InnerOuterInner;
 
         if (layer_id == 0){ // disable inner outer inner algorithm after the first layer
         	is_outer_wall_first =
-            	this->object_config->wall_sequence == WallSequence::OuterInner;
+            	this->config->wall_sequence == WallSequence::OuterInner;
         }
         if (is_outer_wall_first) {
             start_perimeter = 0;
@@ -2169,7 +2169,7 @@ void PerimeterGenerator::process_arachne()
         }
 
        // printf("New Layer: Layer ID %d\n",layer_id); //debug - new layer
-        if (this->object_config->wall_sequence == WallSequence::InnerOuterInner && layer_id > 0) { // only enable inner outer inner algorithm after first layer
+        if (this->config->wall_sequence == WallSequence::InnerOuterInner && layer_id > 0) { // only enable inner outer inner algorithm after first layer
             if (ordered_extrusions.size() > 2) { // 3 walls minimum needed to do inner outer inner ordering
                 int position = 0; // index to run the re-ordering for multiple external perimeters in a single island.
                 int arr_i, arr_j = 0;    // indexes to run through the walls in the for loops

src/libslic3r/PrintConfig.hpp

@@ -753,7 +753,6 @@ PRINT_CONFIG_CLASS_DEFINE(
     // BBS
     ((ConfigOptionBool,                flush_into_infill))
     ((ConfigOptionBool,                flush_into_support))
-    ((ConfigOptionEnum<WallSequence>,  wall_sequence))
     // BBS
     ((ConfigOptionFloat,              tree_support_branch_distance))
     ((ConfigOptionFloat,              tree_support_tip_diameter))
@@ -903,6 +902,9 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionBool,                 overhang_reverse))
     ((ConfigOptionBool,                 overhang_reverse_internal_only))
     ((ConfigOptionFloatOrPercent,       overhang_reverse_threshold))
+
+    ((ConfigOptionEnum<WallSequence>,  wall_sequence))
+    ((ConfigOptionBool,                is_infill_first))
 )
 
 PRINT_CONFIG_CLASS_DEFINE(
@@ -1179,7 +1181,6 @@ PRINT_CONFIG_CLASS_DERIVED_DEFINE(
 
     ((ConfigOptionBools,               activate_chamber_temp_control))
     ((ConfigOptionInts ,               chamber_temperature))
-    ((ConfigOptionBool,                is_infill_first))
 
     ((ConfigOptionFloat,               preferred_orientation))