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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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23
src/libslic3r/Print.hpp
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@@ -38,6 +38,7 @@ class SupportLayer;
class TreeSupportData;
class TreeSupport;
class ExtrusionLayers;
namespace MultiNozzleUtils { class NozzleGroupResultBase; class LayeredNozzleGroupResult; }
#define MAX_OUTER_NOZZLE_DIAMETER 4
// BBS: move from PrintObjectSlice.cpp
@@ -1012,6 +1013,25 @@ public:
// get the group label of filament
size_t get_extruder_id(unsigned int filament_id) const;
// The region every extruder can reach,
// i.e. the intersection of all per-extruder printable areas. Falls back to the full printable_area
// for single-nozzle printers and whenever extruder_printable_area is not populated (all current
// single/dual profiles), so the wipe-tower-center clamp is byte-identical to full-bed clamping there.
Polygons get_extruder_shared_printable_polygon() const;
// Logical (extruder, nozzle) grouping result produced by ToolOrdering during reorder.
// Consumed by GCode via get_layered_nozzle_group_result()->get_nozzle_id(filament, layer) etc.
void set_nozzle_group_result(std::shared_ptr<MultiNozzleUtils::NozzleGroupResultBase> result) { m_nozzle_group_result = result; }
std::shared_ptr<MultiNozzleUtils::NozzleGroupResultBase> get_nozzle_group_result() const { return m_nozzle_group_result; }
std::shared_ptr<MultiNozzleUtils::LayeredNozzleGroupResult> get_layered_nozzle_group_result() const;
// True only when the printer opts into the per-layer filament selector
// (enable_filament_dynamic_map) in auto-for-flush mode on a multi-extruder machine. Gates the
// dynamic (per-layer) regroup branch in ToolOrdering::reorder_extruders_for_minimum_flush_volume.
// Closed for every current profile, so the static grouping path (byte-identical output) is the
// only one taken by the shipping fleet.
bool is_dynamic_group_reorder() const;
const std::vector<std::vector<DynamicPrintConfig>>& get_extruder_filament_info() const { return m_extruder_filament_info; }
void set_extruder_filament_info(const std::vector<std::vector<DynamicPrintConfig>>& filament_info) { m_extruder_filament_info = filament_info; }
@@ -1176,6 +1196,9 @@ private:
std::vector<std::vector<DynamicPrintConfig>> m_extruder_filament_info;
// Logical (extruder, nozzle) grouping result, set by ToolOrdering during reorder.
std::shared_ptr<MultiNozzleUtils::NozzleGroupResultBase> m_nozzle_group_result;
// Following section will be consumed by the GCodeGenerator.
ToolOrdering m_tool_ordering;
WipeTowerData m_wipe_tower_data {m_tool_ordering};