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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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19
src/libslic3r/FilamentGroupUtils.hpp
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@@ -7,6 +7,7 @@
#include <exception>
#include "PrintConfig.hpp"
#include "MultiNozzleUtils.hpp"
namespace Slic3r
{
@@ -31,6 +32,10 @@ namespace Slic3r
Color color;
std::string type;
bool is_support;
// How this filament is used across the model. Orca's shipping grouping
// algorithm does not read it yet; defaulted so a default-built FilamentInfo
// is deterministic. The nozzle-centric engine consumes it later.
FilamentUsageType usage_type = FilamentUsageType::ModelOnly;
};
struct MachineFilamentInfo: public FilamentInfo {
@@ -80,6 +85,20 @@ namespace Slic3r
void extract_unprintable_limit_indices(const std::vector<std::set<int>>& unprintable_elems, const std::vector<unsigned int>& used_filaments, std::unordered_map<int, std::vector<int>>& unplaceable_limits);
bool check_printable(const std::vector<std::set<int>>& groups, const std::map<int, int>& unprintable);
// Nozzle-centric grouping helpers. The estimate helpers read a LayeredNozzleGroupResult's
// per-layer extruder/nozzle usage; the two builders support building the grouping context
// (extruder->nozzle inventory) and writing back a resolved map onto only the used-filament
// slots.
int get_estimate_extruder_change_count(const std::vector<std::vector<unsigned int>>& layer_filaments, const MultiNozzleUtils::LayeredNozzleGroupResult& extruder_nozzle_info);
int get_estimate_nozzle_change_count(const std::vector<std::vector<unsigned int>>& layer_filaments, const MultiNozzleUtils::LayeredNozzleGroupResult& extruder_nozzle_info);
std::pair<int, int> get_estimate_extruder_filament_change_count(const MultiNozzleUtils::LayeredNozzleGroupResult& extruder_nozzle_info);
std::map<int, std::vector<int>> build_extruder_nozzle_list(const std::vector<MultiNozzleUtils::NozzleInfo>& nozzle_list);
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);
}