ENH: refine check logic for filament mix printing

jira: NONE

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I199462cee6284e13e58f829b7972dd3124bfc385

resources/info/filament_info.json

@@ -1,5 +1,5 @@
 {
-    "version": "1.0.0.3",
+    "version": "1.0.0.4",
     "high_temp_filament": [
         "ABS",
         "ASA",
@@ -25,12 +25,12 @@
         "PLA-AERO",
         "PVA",
         "BVOH",
-        "PCTG"
+        "PCTG",
+        "PETG",
+        "PETG-CF"
     ],
     "high_low_compatible_filament":[
         "HIPS",
-        "PETG",
-        "PETG-CF",
         "PE",
         "PP",
         "EVA",

src/libslic3r/Print.cpp

@@ -991,22 +991,29 @@ static StringObjectException layered_print_cleareance_valid(const Print &print,
     return {};
 }
 
-bool Print::check_multi_filaments_compatibility(const std::vector<std::string>& filament_types)
+FilamentCompatibilityType Print::check_multi_filaments_compatibility(const std::vector<std::string>& filament_types)
 {
     bool has_high_temperature_filament = false;
     bool has_low_temperature_filament = false;
+    bool has_mid_temperature_filament = false;
 
     for (const auto& type : filament_types) {
         if (get_filament_temp_type(type) ==FilamentTempType::HighTemp)
             has_high_temperature_filament = true;
         else if (get_filament_temp_type(type) == FilamentTempType::LowTemp)
             has_low_temperature_filament = true;
+        else if (get_filament_temp_type(type) == FilamentTempType::HighLowCompatible)
+            has_mid_temperature_filament = true;
     }
 
     if (has_high_temperature_filament && has_low_temperature_filament)
-        return false;
-
-    return true;
+        return FilamentCompatibilityType::HighLowMixed;
+    else if (has_high_temperature_filament && has_mid_temperature_filament)
+        return FilamentCompatibilityType::HighMidMixed;
+    else if (has_low_temperature_filament && has_mid_temperature_filament)
+        return FilamentCompatibilityType::LowMidMixed;
+    else
+        return FilamentCompatibilityType::Compatible;
 }
 
 bool Print::is_filaments_compatible(const std::vector<int>& filament_types)
@@ -1050,21 +1057,38 @@ int Print::get_compatible_filament_type(const std::set<int>& filament_types)
 //BBS: this function is used to check whether multi filament can be printed
 StringObjectException Print::check_multi_filament_valid(const Print& print)
 {
-    if (!print.need_check_multi_filaments_compatibility())
-        return {std::string()};
-
     auto print_config = print.config();
     std::vector<unsigned int> extruders = print.extruders();
     std::vector<std::string> filament_types;
     filament_types.reserve(extruders.size());
-
     for (const auto& extruder_idx : extruders)
         filament_types.push_back(print_config.filament_type.get_at(extruder_idx));
 
-    if (!check_multi_filaments_compatibility(filament_types))
-        return { L("Can not print multiple filaments which have large difference of temperature together. Otherwise, the extruder and nozzle may be blocked or damaged during printing") };
+    auto compatibility = check_multi_filaments_compatibility(filament_types);
+    bool enable_mix_printing = !print.need_check_multi_filaments_compatibility();
 
-    return {std::string()};
+    StringObjectException ret;
+
+    if(compatibility == FilamentCompatibilityType::HighLowMixed){
+        if(enable_mix_printing){
+            ret.string =L("Printing high-temp and low-temp filaments together may cause nozzle clogging or printer damage.");
+            ret.is_warning = true;
+        }
+        else{
+            ret.string =L("Printing high-temp and low-temp filaments together may cause nozzle clogging or printer damage. If you still want to print, you can enable the option in Preferences.");
+        }
+    }
+    else if (compatibility == FilamentCompatibilityType::HighMidMixed) {
+        ret.is_warning = true;
+        ret.string =L("Printing high-temp and mid-temp filaments together may cause nozzle clogging or printer damage.");
+
+    }
+    else if (compatibility == FilamentCompatibilityType::LowMidMixed) {
+        ret.is_warning = true;
+        ret.string = L("Printing mid-temp and low-temp filaments together may cause nozzle clogging or printer damage.");
+    }
+
+    return ret;
 }
 
 // Precondition: Print::validate() requires the Print::apply() to be called its invocation.
@@ -1084,6 +1108,10 @@ StringObjectException Print::validate(StringObjectException *warning, Polygons*
         if (!ret.string.empty())
         {
             ret.type = STRING_EXCEPT_FILAMENTS_DIFFERENT_TEMP;
+            if (ret.is_warning && warning != nullptr) {
+                *warning = ret;
+                return {};
+            }
             return ret;
         }
     }

src/libslic3r/Print.hpp

@@ -784,6 +784,14 @@ enum FilamentTempType {
     HighLowCompatible,
     Undefine
 };
+
+enum FilamentCompatibilityType {
+    Compatible,
+    HighLowMixed,
+    HighMidMixed,
+    LowMidMixed
+};
+
 // The complete print tray with possibly multiple objects.
 class Print : public PrintBaseWithState<PrintStep, psCount>
 {
@@ -980,7 +988,7 @@ public:
     Vec2d translate_to_print_space(const Point& point) const;
     static FilamentTempType get_filament_temp_type(const std::string& filament_type);
     static int get_hrc_by_nozzle_type(const NozzleType& type);
-    static bool check_multi_filaments_compatibility(const std::vector<std::string>& filament_types);
+    static FilamentCompatibilityType check_multi_filaments_compatibility(const std::vector<std::string>& filament_types);
     // similar to check_multi_filaments_compatibility, but the input is int, and may be negative (means unset)
     static bool is_filaments_compatible(const std::vector<int>& types);
     // get the compatible filament type of a multi-material object

src/libslic3r/PrintBase.hpp

@@ -33,6 +33,7 @@ struct StringObjectException
     ObjectBase const *object = nullptr;
     std::string opt_key;
     StringExceptionType         type;   // warning type for tips
+    bool is_warning = false;
     std::vector<std::string>    params; // warning params for tips
 };
 

src/slic3r/GUI/CalibrationWizardPresetPage.cpp

@@ -1562,7 +1562,7 @@ bool CalibrationPresetPage::is_filaments_compatiable(const std::map<int, Preset*
             return false;
     }
 
-    if (!Print::check_multi_filaments_compatibility(filament_types)) {
+    if (Print::check_multi_filaments_compatibility(filament_types) == FilamentCompatibilityType::HighLowMixed) {
         error_tips = _u8L("Can not print multiple filaments which have large difference of temperature together. Otherwise, the extruder and nozzle may be blocked or damaged during printing");
         return false;
     }