Completely remove skip layer counts.

This was redundant now that the setting is removed, and it's always set to 1.

part of CURA-11157

include/TreeSupportSettings.h

@@ -56,7 +56,6 @@ struct TreeSupportSettings
         , xy_min_distance(support_overrides == SupportDistPriority::Z_OVERRIDES_XY ? mesh_group_settings.get<coord_t>("support_xy_distance_overhang") : xy_distance)
         , z_distance_top_layers(round_up_divide(mesh_group_settings.get<coord_t>("support_top_distance"), layer_height))
         , z_distance_bottom_layers(round_up_divide(mesh_group_settings.get<coord_t>("support_bottom_distance"), layer_height))
-        , performance_interface_skip_layers(1UL)
         , support_infill_angles(mesh_group_settings.get<std::vector<AngleDegrees>>("support_infill_angles"))
         , support_roof_angles(mesh_group_settings.get<std::vector<AngleDegrees>>("support_roof_angles"))
         , roof_pattern(mesh_group_settings.get<EFillMethod>("support_roof_pattern"))
@@ -268,11 +267,6 @@ struct TreeSupportSettings
      */
     size_t z_distance_bottom_layers;
 
-    /*!
-     * \brief used for performance optimization at the support floor. Should have no impact on the resulting tree.
-     */
-    size_t performance_interface_skip_layers;
-
     /*!
      * \brief User specified angles for the support infill.
      */

src/TreeSupport.cpp

@@ -69,10 +69,6 @@ TreeSupport::TreeSupport(const SliceDataStorage& storage)
             {
                 added = true;
                 grouped_mesh.second.emplace_back(mesh_idx);
-                // Handle some settings that are only used for performance reasons. This ensures that a horrible set setting intended to improve performance can not reduce it
-                // drastically.
-                grouped_mesh.first.performance_interface_skip_layers
-                    = std::min(grouped_mesh.first.performance_interface_skip_layers, next_settings.performance_interface_skip_layers);
             }
         }
         if (! added)
@@ -2206,16 +2202,15 @@ void TreeSupport::finalizeInterfaceAndSupportAreas(std::vector<Polygons>& suppor
                 size_t layers_below = 0;
                 while (layers_below <= config.support_bottom_layers)
                 {
-                    // One sample at 0 layers below, another at config.support_bottom_layers. In-between samples at config.performance_interface_skip_layers distance from each
-                    // other.
+                    // One sample at 0 layers below, another at config.support_bottom_layers. In-between samples at 1-layer distance from each other.
                     const size_t sample_layer
                         = static_cast<size_t>(std::max(0, (static_cast<int>(layer_idx) - static_cast<int>(layers_below)) - static_cast<int>(config.z_distance_bottom_layers)));
                     constexpr bool no_support = false;
                     constexpr bool no_prime_tower = false;
                     floor_layer.add(layer_outset.intersection(storage.getLayerOutlines(sample_layer, no_support, no_prime_tower)));
                     if (layers_below < config.support_bottom_layers)
                     {
-                        layers_below = std::min(layers_below + config.performance_interface_skip_layers, config.support_bottom_layers);
+                        layers_below = std::min(layers_below + 1UL, config.support_bottom_layers);
                     }
                     else
                     {

src/support.cpp

@@ -1673,11 +1673,10 @@ void AreaSupport::generateSupportBottom(SliceDataStorage& storage, const SliceMe
         return;
     }
     const coord_t z_distance_bottom = round_up_divide(mesh.settings.get<coord_t>("support_bottom_distance"), layer_height); // Number of layers between support bottom and model.
-    const size_t skip_layer_count = 1UL; // Resolution of generating support bottoms above model.
     const coord_t bottom_line_width = mesh_group_settings.get<ExtruderTrain&>("support_bottom_extruder_nr").settings_.get<coord_t>("support_bottom_line_width");
     const coord_t bottom_outline_offset = mesh_group_settings.get<ExtruderTrain&>("support_bottom_extruder_nr").settings_.get<coord_t>("support_bottom_offset");
 
-    const size_t scan_count = std::max(size_t(1), (bottom_layer_count - 1) / skip_layer_count); // How many measurements to take to generate bottom areas.
+    const size_t scan_count = std::max(size_t(1), (bottom_layer_count - 1)); // How many measurements to take to generate bottom areas.
     const double z_skip = std::max(
         1.0,
         double(bottom_layer_count - 1) / double(scan_count)); // How many layers to skip between measurements. Using float for better spread, but this is later rounded.
@@ -1709,11 +1708,10 @@ void AreaSupport::generateSupportRoof(SliceDataStorage& storage, const SliceMesh
         return;
     }
     const coord_t z_distance_top = round_up_divide(mesh.settings.get<coord_t>("support_top_distance"), layer_height); // Number of layers between support roof and model.
-    const size_t skip_layer_count = 1UL; // Resolution of generating support roof below model.
     const coord_t roof_line_width = mesh_group_settings.get<ExtruderTrain&>("support_roof_extruder_nr").settings_.get<coord_t>("support_roof_line_width");
     const coord_t roof_outline_offset = mesh_group_settings.get<ExtruderTrain&>("support_roof_extruder_nr").settings_.get<coord_t>("support_roof_offset");
 
-    const size_t scan_count = std::max(size_t(1), (roof_layer_count - 1) / skip_layer_count); // How many measurements to take to generate roof areas.
+    const size_t scan_count = std::max(size_t(1), (roof_layer_count - 1)); // How many measurements to take to generate roof areas.
     const double z_skip = std::max(
         1.0,
         double(roof_layer_count - 1) / double(scan_count)); // How many layers to skip between measurements. Using float for better spread, but this is later rounded.