ENH: remove the limit for number of tpu filaments

jira:STUDIO-11995

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: Ifd3ff7bf870570f9691b7008d8ca6ee8245c046d

src/libslic3r/GCode/ToolOrdering.cpp

@@ -675,32 +675,6 @@ void ToolOrdering::collect_extruders(const PrintObject &object, const std::vecto
     }
 }
 
-bool ToolOrdering::check_tpu_group(const std::vector<unsigned int>&used_filaments,const std::vector<int>& filament_maps,const PrintConfig* config)
-{
-    int check_extruder_id = -1;
-    int master_extruder_id = config->master_extruder_id.value - 1; // transfer to 0 based idx
-    std::map<int, std::vector<int>> extruder_filament_nums;
-    for (unsigned int filament_id : used_filaments) {
-        int extruder_id = filament_maps[filament_id];
-        extruder_filament_nums[extruder_id].push_back(filament_id);
-
-        std::string filament_type = config->filament_type.get_at(filament_id);
-        if (filament_type == "TPU") {
-            // if we meet two TPU filaments, just return false
-            if(check_extruder_id==-1)
-                check_extruder_id = filament_maps[filament_id];
-            else
-                return false;
-        }
-    }
-
-    // TPU can only place in master extruder, and it should have no other filaments in the same extruder
-    if (check_extruder_id != -1 && (check_extruder_id != master_extruder_id || extruder_filament_nums[check_extruder_id].size() > 1)) {
-        return false;
-    }
-
-    return true;
-}
 
 void ToolOrdering::fill_wipe_tower_partitions(const PrintConfig &config, coordf_t object_bottom_z, coordf_t max_layer_height)
 {
@@ -1156,13 +1130,6 @@ void ToolOrdering::reorder_extruders_for_minimum_flush_volume(bool reorder_first
         std::transform(filament_maps.begin(), filament_maps.end(), filament_maps.begin(), [](int value) { return value - 1; });
 
         check_filament_printable_after_group(used_filaments, filament_maps, print_config);
-
-        if (nozzle_nums > 1 && !check_tpu_group(used_filaments, filament_maps, print_config)) {
-            int master_extruder_id = print_config->master_extruder_id.value - 1; // to 0 based
-            std::string nozzle_name = master_extruder_id == 0 ? _L("left") : _L("right");
-            std::string exception_str = _L("TPU is incompatible with AMS and must be printed seperately in the ") + nozzle_name + _L(" nozzle.\nPlease adjust the filament group accordingly.");
-            throw Slic3r::RuntimeError(exception_str);
-        }
     }
     else {
         // we just need to change the map to 0 based

src/libslic3r/GCode/ToolOrdering.hpp

@@ -243,8 +243,6 @@ public:
     */
     static std::vector<int> get_recommended_filament_maps(const std::vector<std::vector<unsigned int>>& layer_filaments, const Print* print,const FilamentMapMode mode, const std::vector<std::set<int>>& physical_unprintables, const std::vector<std::set<int>>& geometric_unprintables);
 
-    static bool check_tpu_group(const std::vector<unsigned int>&used_filaments,const std::vector<int>& filament_maps,const PrintConfig* config);
-
     // should be called after doing reorder
     FilamentChangeStats get_filament_change_stats(FilamentChangeMode mode);
     void                cal_most_used_extruder(const PrintConfig &config);

src/libslic3r/Print.cpp

@@ -2002,12 +2002,6 @@ void Print::process(std::unordered_map<std::string, long long>* slice_time, bool
             }
             // check map valid both in auto and mannual mode
             std::transform(filament_maps.begin(), filament_maps.end(), filament_maps.begin(), [](int value) {return value - 1; });
-            if (!ToolOrdering::check_tpu_group(used_filaments, filament_maps, &m_config)) {
-                int master_extruder_id = m_config.master_extruder_id.value - 1; // to 0 based
-                std::string nozzle_name = master_extruder_id == 0 ? L("left") : L("right");
-                std::string exception_str = L("TPU is incompatible with AMS and must be printed seperately in the ") + nozzle_name + L(" nozzle.\nPlease adjust the filament group accordingly.");
-                throw Slic3r::RuntimeError(exception_str);
-            }
 
             //        print_object_instances_ordering = sort_object_instances_by_max_z(print);
             print_object_instance_sequential_active = print_object_instances_ordering.begin();
@@ -2550,9 +2544,6 @@ std::vector<std::set<int>> Print::get_physical_unprintable_filaments(const std::
         if (m_config.filament_type.get_at(f) == "TPU")
             tpu_filaments.insert(f);
     }
-    if (tpu_filaments.size() > 1) {
-        throw Slic3r::RuntimeError(_u8L("Only supports up to one TPU filament."));
-    }
 
     for (auto f : used_filaments) {
         int extruder_id = get_unprintable_extruder_id(f);

src/slic3r/GUI/PartPlate.cpp

@@ -1356,10 +1356,8 @@ bool PartPlate::check_filament_printable(const DynamicPrintConfig &config, wxStr
 
 bool PartPlate::check_tpu_printable_status(const DynamicPrintConfig & config, const std::vector<int> &tpu_filaments)
 {
-    bool tpu_valid = true;
+	// do not limit the num of tpu filament in slicing
-
+	return true;
-    // only support at most 1 tpu
-    return tpu_filaments.size() <=1;
 }
 
 bool PartPlate::check_mixture_of_pla_and_petg(const DynamicPrintConfig &config)