ENH: add check logic of filament_map when Print::Apply

Change-Id: Ibab353c4b16183611d63d75bcdf5f370cb578f21
(cherry picked from commit bbc4d701bf0f492566fb0ebefbf286630ae2136d)

src/libslic3r/PresetBundle.cpp

@@ -2416,6 +2416,7 @@ DynamicPrintConfig PresetBundle::full_fff_config(bool apply_extruder, std::vecto
     //BBS: add logic for settings check between different system presets
     add_if_some_non_empty(std::move(different_settings),            "different_settings_to_system");
     add_if_some_non_empty(std::move(print_compatible_printers),     "print_compatible_printers");
+    out.option<ConfigOptionInts>("extruder_filament_count", true)->values = this->extruder_filament_counts;
 
 	out.option<ConfigOptionEnumGeneric>("printer_technology", true)->value = ptFFF;
     return out;
@@ -2586,6 +2587,11 @@ void PresetBundle::load_config_file_config(const std::string &name_or_path, bool
             }
         }
     }
+    //no need to parse extruder_filament_count
+    std::vector<int> extruder_filament_count              = std::move(config.option<ConfigOptionInts>("extruder_filament_count", true)->values);
+    config.erase("extruder_filament_count");
+    if (this->extruder_filament_counts.empty())
+        this->extruder_filament_counts = extruder_filament_count;
 
     // 1) Create a name from the file name.
     // Keep the suffix (.ini, .gcode, .amf, .3mf etc) to differentiate it from the normal profiles.

src/libslic3r/PresetBundle.hpp

@@ -152,7 +152,7 @@ public:
     std::vector<std::vector<std::string>> ams_multi_color_filment;
 
     // todo multi_extruders: delete mutable
-    mutable std::vector<int>    filament_maps;
+    mutable std::vector<int>    extruder_filament_counts;
     // Calibrate
     Preset const * calibrate_printer = nullptr;
     std::set<Preset const *> calibrate_filaments;

src/libslic3r/Print.cpp

@@ -287,6 +287,9 @@ bool Print::invalidate_state_by_config_options(const ConfigOptionResolver & /* n
             || opt_key == "first_layer_print_sequence"
             || opt_key == "other_layers_print_sequence"
             || opt_key == "other_layers_print_sequence_nums" 
+            || opt_key == "extruder_filament_count"
+            || opt_key == "filament_map_mode"
+            || opt_key == "filament_map"
             || opt_key == "wipe_tower_bridging"
             || opt_key == "wipe_tower_extra_flow"
             || opt_key == "wipe_tower_no_sparse_layers"
@@ -2587,6 +2590,19 @@ void Print::finalize_first_layer_convex_hull()
     m_first_layer_convex_hull = Geometry::convex_hull(m_first_layer_convex_hull.points);
 }
 
+void Print::update_filament_maps_to_config(std::vector<int> f_maps)
+{
+    std::vector<int>& filament_maps = m_full_print_config.option<ConfigOptionInts>("filament_map", true)->values;
+
+    filament_maps = f_maps;
+    m_config.filament_map.values = f_maps;
+}
+
+std::vector<int> Print::get_filament_maps() const
+{
+    return m_config.filament_map.values;
+}
+
 // Wipe tower support.
 bool Print::has_wipe_tower() const
 {

src/libslic3r/Print.hpp

@@ -934,6 +934,9 @@ public:
     const WipeTowerData&        wipe_tower_data(size_t filaments_cnt = 0) const;
     const ToolOrdering& 		tool_ordering() const { return m_tool_ordering; }
 
+    void update_filament_maps_to_config(std::vector<int> f_maps);
+    std::vector<int> get_filament_maps() const;
+
     bool                        enable_timelapse_print() const;
 
 	std::string                 output_filename(const std::string &filename_base = std::string()) const override;

src/libslic3r/PrintApply.cpp

@@ -1086,12 +1086,14 @@ Print::ApplyStatus Print::apply(const Model &model, DynamicPrintConfig new_full_
 	new_full_config.option("print_settings_id",            true);
 	new_full_config.option("filament_settings_id",         true);
 	new_full_config.option("printer_settings_id",          true);
+
     // BBS
-    int used_filaments = this->extruders(true).size();
+    std::vector <unsigned int> used_filaments = this->extruders(true);
+    std::unordered_set <unsigned int> used_filament_set(used_filaments.begin(), used_filaments.end());
 
     //new_full_config.normalize_fdm(used_filaments);
     new_full_config.normalize_fdm_1();
-    t_config_option_keys changed_keys = new_full_config.normalize_fdm_2(objects().size(), used_filaments);
+    t_config_option_keys changed_keys = new_full_config.normalize_fdm_2(objects().size(), used_filaments.size());
     if (changed_keys.size() > 0) {
         BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format(", got changed_keys, size=%1%")%changed_keys.size();
         for (int i = 0; i < changed_keys.size(); i++)
@@ -1132,6 +1134,40 @@ Print::ApplyStatus Print::apply(const Model &model, DynamicPrintConfig new_full_
     t_config_option_keys object_diff      = m_default_object_config.diff(new_full_config);
     t_config_option_keys region_diff      = m_default_region_config.diff(new_full_config);
 
+    //BBS: process the filament_map related logic
+    std::unordered_set<std::string> print_diff_set(print_diff.begin(), print_diff.end());
+    if (print_diff_set.find("filament_map_mode") == print_diff_set.end())
+    {
+        FilamentMapMode map_mode = new_full_config.option<ConfigOptionEnum<FilamentMapMode>>("filament_map_mode", true)->value;
+        if (map_mode == fmmAuto) {
+            print_diff_set.erase("filament_map");
+        }
+        else {
+            print_diff_set.erase("extruder_filament_count");
+            std::vector<int> old_filament_map = m_config.filament_map.values;
+            std::vector<int> new_filament_map = new_full_config.option<ConfigOptionInts>("filament_map", true)->values;
+
+            if (old_filament_map.size() == new_filament_map.size())
+            {
+                bool same_map = true;
+                for (size_t index = 0; index < old_filament_map.size(); index++)
+                {
+                    if ((old_filament_map[index] == new_filament_map[index])
+                        || (used_filament_set.find(index + 1) == used_filament_set.end()))
+                        continue;
+                    else {
+                        same_map = false;
+                        break;
+                    }
+                }
+                if (same_map)
+                    print_diff_set.erase("filament_map");
+            }
+        }
+        if (print_diff_set.size() != print_diff.size())
+            print_diff.assign(print_diff_set.begin(), print_diff_set.end());
+    }
+
     // Do not use the ApplyStatus as we will use the max function when updating apply_status.
     unsigned int apply_status = APPLY_STATUS_UNCHANGED;
     auto update_apply_status = [&apply_status](bool invalidated)

src/libslic3r/PrintConfig.cpp

@@ -4411,6 +4411,12 @@ void PrintConfigDef::init_fff_params()
     def->set_default_value(new ConfigOptionStrings { "Direct Drive Normal" });
     def->cli = ConfigOptionDef::nocli;
 
+    def = this->add("extruder_filament_count", coInts);
+    def->label = "Extruder filament count";
+    def->tooltip = "Filament counts per extruder";
+    def->set_default_value(new ConfigOptionInts { 1 });
+    def->cli = ConfigOptionDef::nocli;
+
     def = this->add("printer_extruder_id", coInts);
     def->label = "Printer extruder id";
     def->tooltip = "Printer extruder id";

src/libslic3r/PrintConfig.hpp

@@ -1201,6 +1201,7 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionInts,                temperature_vitrification))  //BBS
     ((ConfigOptionFloats,              filament_max_volumetric_speed))
     ((ConfigOptionInts,                required_nozzle_HRC))
+    ((ConfigOptionEnum<FilamentMapMode>, filament_map_mode))
     ((ConfigOptionInts,                filament_map))
     //((ConfigOptionInts,                filament_extruder_id))
     ((ConfigOptionStrings,             filament_extruder_variant))
@@ -1258,6 +1259,7 @@ PRINT_CONFIG_CLASS_DEFINE(
     ((ConfigOptionEnum<PrinterStructure>,printer_structure))
     ((ConfigOptionBool,                support_chamber_temp_control))
     ((ConfigOptionEnumsGeneric,        nozzle_volume_type))
+    ((ConfigOptionInts,                extruder_filament_count))
     ((ConfigOptionInts,                printer_extruder_id))
     ((ConfigOptionStrings,             printer_extruder_variant))