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feat(libslic3r): multi-nozzle slicing engine for H2C/A2L

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Port BambuStudio's dual-nozzle slicing core: H2C-era config keys, filament-to-nozzle grouping with per-layer dynamic regrouping, filament/nozzle/hotend gcode placeholder vocabulary, multi-nozzle wipe tower pre-heat/pre-cool, the two-pass pre-cooling injector, and corexy farthest-point timelapse.
This commit is contained in:
SoftFever
2026-07-09 00:06:26 +08:00
parent 781ecdc2c1
commit 237ef41b06
36 changed files with 7622 additions and 708 deletions
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61
src/libslic3r/FilamentGroupUtils.cpp
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@@ -274,5 +274,66 @@ namespace FilamentGroupUtils
}
return true;
}
int get_estimate_extruder_change_count(const std::vector<std::vector<unsigned int>> &layer_filaments, const MultiNozzleUtils::LayeredNozzleGroupResult &extruder_nozzle_info)
{
int ret = 0;
for (size_t layer_id = 0; layer_id < layer_filaments.size(); ++layer_id) {
int extruder_count = extruder_nozzle_info.get_used_extruders(layer_id).size();
ret += (extruder_count - 1);
}
return ret;
}
int get_estimate_nozzle_change_count(const std::vector<std::vector<unsigned int>> &layer_filaments, const MultiNozzleUtils::LayeredNozzleGroupResult &extruder_nozzle_info)
{
int ret = 0;
for (size_t layer_id = 0; layer_id < layer_filaments.size(); ++layer_id) {
auto extruder_list = extruder_nozzle_info.get_used_extruders(layer_id);
for (auto extruder_id : extruder_list) {
int nozzle_count = extruder_nozzle_info.get_used_nozzles_in_extruder(extruder_id, layer_id).size();
if (nozzle_count > 1) ret += (nozzle_count - 1);
}
}
return ret;
}
std::pair<int, int> get_estimate_extruder_filament_change_count(const MultiNozzleUtils::LayeredNozzleGroupResult &extruder_nozzle_info)
{
std::pair<int, int> ret{0,0};
int layer_nums = extruder_nozzle_info.get_layer_filament_sequences().size();
for (int layer_id = 0; layer_id < layer_nums; layer_id++) {
std::vector<int> extruders = extruder_nozzle_info.get_used_extruders(layer_id);
ret.first = extruders.size() - 1;
for (auto ext_id : extruders) {
int nozzles = extruder_nozzle_info.get_used_nozzles_in_extruder(ext_id, layer_id).size();
ret.second += nozzles;
}
ret.second = std::max(0, ret.second - ret.first);
}
return ret;
}
std::map<int,std::vector<int>> build_extruder_nozzle_list(const std::vector<MultiNozzleUtils::NozzleInfo>& nozzle_list)
{
std::map<int, std::vector<int>> ret;
for (auto& nozzle : nozzle_list) {
ret[nozzle.extruder_id].emplace_back(nozzle.group_id);
}
for (auto& elem : ret)
std::sort(elem.second.begin(), elem.second.end());
return ret;
}
std::vector<int> update_used_filament_values(const std::vector<int>& old_values, const std::vector<int>& new_values, const std::vector<unsigned int>& used_filaments)
{
std::vector<int> res = old_values;
for (size_t i = 0; i < used_filaments.size(); ++i) {
res[used_filaments[i]] = new_values[used_filaments[i]];
}
return res;
}
}
}