ENH: update prompt for filament mix printing

jira: NONE

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I92c86edadd6720b0e566057bd2593605ee4a3f77
(cherry picked from commit a93f6a54a2be94807702e3c75bdb4c79d508f260)

src/slic3r/GUI/GLCanvas3D.cpp

@@ -142,6 +142,12 @@ std::string& get_nozzle_filament_incompatible_text() {
     return nozzle_filament_incompatible_text;
 }
 
+std::string& get_filament_mixture_warning_text(){
+    static std::string filament_mixture_warning_text;
+    return filament_mixture_warning_text;
+}
+
+
 static std::string format_number(float value)
 {
     std::ostringstream oss;
@@ -3052,6 +3058,9 @@ void GLCanvas3D::reload_scene(bool refresh_immediately, bool force_full_scene_re
             bool filament_nozzle_compatible = cur_plate->check_compatible_of_nozzle_and_filament(full_config_temp, wxGetApp().preset_bundle->filament_presets, get_nozzle_filament_incompatible_text());
             _set_warning_notification(EWarning::NozzleFilamentIncompatible, !filament_nozzle_compatible);
 
+            bool filament_mixture_compatible = cur_plate->check_mixture_filament_compatible(full_config_temp, get_filament_mixture_warning_text());
+            _set_warning_notification(EWarning::MixtureFilamentIncompatible, !filament_mixture_compatible);
+
             bool model_fits = contained_min_one && !m_model->objects.empty() && !partlyOut && object_results.filaments.empty() && tpu_valid && filament_printable;
             post_event(Event<bool>(EVT_GLCANVAS_ENABLE_ACTION_BUTTONS, model_fits));
             ppl.get_curr_plate()->update_slice_ready_status(model_fits);
@@ -3070,6 +3079,7 @@ void GLCanvas3D::reload_scene(bool refresh_immediately, bool force_full_scene_re
            _set_warning_notification(EWarning::MultiExtruderPrintableError,false);
            _set_warning_notification(EWarning::MultiExtruderHeightOutside,false);
            _set_warning_notification(EWarning::NozzleFilamentIncompatible,false);
+           _set_warning_notification(EWarning::MixtureFilamentIncompatible,false);
 
            post_event(Event<bool>(EVT_GLCANVAS_ENABLE_ACTION_BUTTONS, false));
         }
@@ -10124,6 +10134,10 @@ void GLCanvas3D::_set_warning_notification(EWarning warning, bool state)
         text = _u8L(get_nozzle_filament_incompatible_text());
         break;
     }
+    case EWarning::MixtureFilamentIncompatible: {
+        text = _u8L(get_filament_mixture_warning_text());
+        break;
+    }
     }
     //BBS: this may happened when exit the app, plater is null
     if (!wxGetApp().plater())

src/slic3r/GUI/GLCanvas3D.hpp

@@ -394,6 +394,7 @@ class GLCanvas3D
         MixUsePLAAndPETG,
         PrimeTowerOutside,
         NozzleFilamentIncompatible,
+        MixtureFilamentIncompatible,
     };
 
     class RenderStats

src/slic3r/GUI/PartPlate.cpp

@@ -1822,6 +1822,48 @@ bool PartPlate::check_mixture_of_pla_and_petg(const DynamicPrintConfig &config)
     return true;
 }
 
+bool PartPlate::check_mixture_filament_compatible(const DynamicPrintConfig &config, std::string &error_msg)
+{
+    static std::unordered_map<std::string, std::unordered_set<std::string>> incompatible_filament_pairs;
+
+    auto add_incompatibility = [&](std::string filament_type1, std::string filament_type2) {
+        incompatible_filament_pairs[filament_type1].insert(filament_type2);
+        incompatible_filament_pairs[filament_type2].insert(filament_type1);
+    };
+
+    if (incompatible_filament_pairs.empty()) { add_incompatibility("PVA", "PETG"); }
+
+    std::vector<int>         used_filaments = get_extruders(true); // 1 based idx
+    std::vector<std::string> filament_types;
+    auto                     filament_type_opt = config.option<ConfigOptionStrings>("filament_type");
+    for (auto filament : used_filaments) {
+        int filament_idx = filament - 1;
+        filament_types.push_back(filament_type_opt->values[filament_idx]);
+    };
+
+    {
+        std::unordered_set<std::string> seen;
+        filament_types.erase(std::remove_if(filament_types.begin(), filament_types.end(), [&](const std::string &s) { return !seen.insert(s).second; }), filament_types.end());
+    }
+
+    std::vector<std::pair<std::string, std::string>> conflicts;
+
+    for (size_t i = 0; i < filament_types.size(); i++) {
+        auto it = incompatible_filament_pairs.find(filament_types[i]);
+        if (it == incompatible_filament_pairs.end()) continue;
+        for (size_t j = i + 1; j < filament_types.size(); ++j) {
+            if (it->second.count(filament_types[j])) { conflicts.emplace_back(filament_types[i], filament_types[j]); }
+        }
+    }
+
+    if (!conflicts.empty()) {
+        // TODO: add the full text if has multi conflict
+        auto conflict = conflicts.front();
+        error_msg     = GUI::format(_L("Mixing %1% with %2% in printing is not recommended.\n"), conflict.first, conflict.second);
+    }
+    return conflicts.empty();
+}
+
 bool PartPlate::check_compatible_of_nozzle_and_filament(const DynamicPrintConfig &config, const std::vector<std::string> &filament_presets, std::string &error_msg)
 {
     float nozzle_diameter = config.option<ConfigOptionFloatsNullable>("nozzle_diameter")->values[0];

src/slic3r/GUI/PartPlate.hpp

@@ -341,6 +341,7 @@ public:
     bool check_filament_printable(const DynamicPrintConfig & config, wxString& error_message);
     bool check_tpu_printable_status(const DynamicPrintConfig & config, const std::vector<int> &tpu_filaments);
     bool check_mixture_of_pla_and_petg(const DynamicPrintConfig & config);
+    bool check_mixture_filament_compatible(const DynamicPrintConfig& config, std::string &error_msg);
     bool check_compatible_of_nozzle_and_filament(const DynamicPrintConfig & config, const std::vector<std::string>& filament_presets, std::string& error_msg);
 
     /* instance related operations*/