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OrcaSlicer-KX/src/libslic3r/GCode.hpp
Morton Jonuschat b954747801 [FEATURE] Experimental small area flow compensation (#3334) 
* [FEATURE] Experimental small area flow compensation

This is a native implementation of the [Small Area Flow Compensation](https://github.com/Alexander-T-Moss/Small-Area-Flow-Comp)
post-processor by Alexander Þór for OrcaSlicer.

Quite often small areas of solid infill appear to be over-extruded, despite
the rest of a print looking like it has a well-dialled-in EM/Flow. Currently,
there isn't a good understanding of why this happens, so this is an attempt
at a brute-force approach to treat the symptom.

This feature modifies the flow of extrusion lines inversely proportional to
the length of the extrusion line (the shorter the extrusion, the less flow
it should have).

Alexander Þór: Author of the original script implementation
Weaslus: Proof Reader, Hypeman & pestered folks into making this

* [TASK] Whitespace cleanup

* [TASK] Add credits, format code, improve input labels

* [TASK] Use multi-line textbox as input for flow model

* [TASK] Toggle flow compensation per object

* [TASK] Enable flow compensation for first layer

---------

Co-authored-by: SoftFever <softfeverever@gmail.com>
2024-01-21 12:07:52 +08:00

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#ifndef slic3r_GCode_hpp_
#define slic3r_GCode_hpp_
#include "libslic3r.h"
#include "ExPolygon.hpp"
#include "GCodeWriter.hpp"
#include "Layer.hpp"
#include "Point.hpp"
#include "PlaceholderParser.hpp"
#include "PrintConfig.hpp"
#include "GCode/AvoidCrossingPerimeters.hpp"
#include "GCode/CoolingBuffer.hpp"
#include "GCode/FanMover.hpp"
#include "GCode/RetractWhenCrossingPerimeters.hpp"
#include "GCode/SpiralVase.hpp"
#include "GCode/ToolOrdering.hpp"
#include "GCode/WipeTower.hpp"
#include "GCode/SeamPlacer.hpp"
#include "GCode/GCodeProcessor.hpp"
#include "EdgeGrid.hpp"
#include "GCode/ThumbnailData.hpp"
#include "libslic3r/ObjectID.hpp"
#include "GCode/ExtrusionProcessor.hpp"
#include "GCode/PressureEqualizer.hpp"
#include "GCode/SmallAreaInfillFlowCompensator.hpp"
#include <memory>
#include <map>
#include <set>
#include <string>
namespace Slic3r {
// Forward declarations.
class GCode;
namespace { struct Item; }
struct PrintInstance;
class ConstPrintObjectPtrsAdaptor;
class OozePrevention {
public:
bool enable;
Points standby_points;
OozePrevention() : enable(false) {}
std::string pre_toolchange(GCode &gcodegen);
std::string post_toolchange(GCode &gcodegen);
private:
int _get_temp(GCode &gcodegen);
};
class Wipe {
public:
bool enable;
Polyline path;
struct RetractionValues{
double retractLengthBeforeWipe;
double retractLengthDuringWipe;
};
Wipe() : enable(false) {}
bool has_path() const { return !this->path.points.empty(); }
void reset_path() { this->path = Polyline(); }
std::string wipe(GCode &gcodegen, double length, bool toolchange = false, bool is_last = false);
RetractionValues calculateWipeRetractionLengths(GCode& gcodegen, bool toolchange);
};
class WipeTowerIntegration {
public:
WipeTowerIntegration(
const PrintConfig &print_config,
// BBS: add partplate logic
const int plate_idx,
const Vec3d plate_origin,
const std::vector<WipeTower::ToolChangeResult> &priming,
const std::vector<std::vector<WipeTower::ToolChangeResult>> &tool_changes,
const WipeTower::ToolChangeResult &final_purge) :
m_left(/*float(print_config.wipe_tower_x.value)*/ 0.f),
m_right(float(/*print_config.wipe_tower_x.value +*/ print_config.prime_tower_width.value)),
m_wipe_tower_pos(float(print_config.wipe_tower_x.get_at(plate_idx)), float(print_config.wipe_tower_y.get_at(plate_idx))),
m_wipe_tower_rotation(float(print_config.wipe_tower_rotation_angle)),
m_extruder_offsets(print_config.extruder_offset.values),
m_priming(priming),
m_tool_changes(tool_changes),
m_final_purge(final_purge),
m_layer_idx(-1),
m_tool_change_idx(0),
m_plate_origin(plate_origin),
m_single_extruder_multi_material(print_config.single_extruder_multi_material),
m_enable_timelapse_print(print_config.timelapse_type.value == TimelapseType::tlSmooth),
m_is_first_print(true)
{}
std::string prime(GCode &gcodegen);
void next_layer() { ++ m_layer_idx; m_tool_change_idx = 0; }
std::string tool_change(GCode &gcodegen, int extruder_id, bool finish_layer);
bool is_empty_wipe_tower_gcode(GCode &gcodegen, int extruder_id, bool finish_layer);
std::string finalize(GCode &gcodegen);
std::vector<float> used_filament_length() const;
bool is_first_print() const { return m_is_first_print;}
void set_is_first_print(bool is) { m_is_first_print = is; }
bool enable_timelapse_print() const { return m_enable_timelapse_print; }
private:
WipeTowerIntegration& operator=(const WipeTowerIntegration&);
std::string append_tcr(GCode &gcodegen, const WipeTower::ToolChangeResult &tcr, int new_extruder_id, double z = -1.) const;
std::string append_tcr2(GCode &gcodegen, const WipeTower::ToolChangeResult &tcr, int new_extruder_id, double z = -1.) const;
// Postprocesses gcode: rotates and moves G1 extrusions and returns result
std::string post_process_wipe_tower_moves(const WipeTower::ToolChangeResult& tcr, const Vec2f& translation, float angle) const;
// Left / right edges of the wipe tower, for the planning of wipe moves.
const float m_left;
const float m_right;
const Vec2f m_wipe_tower_pos;
const float m_wipe_tower_rotation;
const std::vector<Vec2d> m_extruder_offsets;
// Reference to cached values at the Printer class.
const std::vector<WipeTower::ToolChangeResult> &m_priming;
const std::vector<std::vector<WipeTower::ToolChangeResult>> &m_tool_changes;
const WipeTower::ToolChangeResult &m_final_purge;
// Current layer index.
int m_layer_idx;
int m_tool_change_idx;
double m_last_wipe_tower_print_z = 0.f;
// BBS
Vec3d m_plate_origin;
bool m_single_extruder_multi_material;
bool m_enable_timelapse_print;
bool m_is_first_print;
};
class ColorPrintColors
{
static const std::vector<std::string> Colors;
public:
static const std::vector<std::string>& get() { return Colors; }
};
struct LayerResult {
std::string gcode;
size_t layer_id;
// Is spiral vase post processing enabled for this layer?
bool spiral_vase_enable { false };
// Should the cooling buffer content be flushed at the end of this layer?
bool cooling_buffer_flush { false };
// Is indicating if this LayerResult should be processed, or it is just inserted artificial LayerResult.
// It is used for the pressure equalizer because it needs to buffer one layer back.
bool nop_layer_result { false };
static LayerResult make_nop_layer_result() { return {"", std::numeric_limits<coord_t>::max(), false, false, true}; }
};
class GCode {
public:
GCode() :
m_origin(Vec2d::Zero()),
m_enable_loop_clipping(true),
m_enable_cooling_markers(false),
m_enable_extrusion_role_markers(false),
m_last_processor_extrusion_role(erNone),
m_layer_count(0),
m_layer_index(-1),
m_layer(nullptr),
m_object_layer_over_raft(false),
//m_volumetric_speed(0),
m_last_pos_defined(false),
m_last_extrusion_role(erNone),
m_last_width(0.0f),
#if ENABLE_GCODE_VIEWER_DATA_CHECKING
m_last_mm3_per_mm(0.0),
#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
m_brim_done(false),
m_second_layer_things_done(false),
m_silent_time_estimator_enabled(false),
m_last_obj_copy(nullptr, Point(std::numeric_limits<coord_t>::max(), std::numeric_limits<coord_t>::max())),
// BBS
m_toolchange_count(0),
m_nominal_z(0.)
{}
~GCode() = default;
// throws std::runtime_exception on error,
// throws CanceledException through print->throw_if_canceled().
void do_export(Print* print, const char* path, GCodeProcessorResult* result = nullptr, ThumbnailsGeneratorCallback thumbnail_cb = nullptr);
//BBS: set offset for gcode writer
void set_gcode_offset(double x, double y) { m_writer.set_xy_offset(x, y); m_processor.set_xy_offset(x, y);}
// Exported for the helper classes (OozePrevention, Wipe) and for the Perl binding for unit tests.
const Vec2d& origin() const { return m_origin; }
void set_origin(const Vec2d &pointf);
void set_origin(const coordf_t x, const coordf_t y) { this->set_origin(Vec2d(x, y)); }
const Point& last_pos() const { return m_last_pos; }
Vec2d point_to_gcode(const Point &point) const;
Point gcode_to_point(const Vec2d &point) const;
Vec2d point_to_gcode_quantized(const Point& point) const;
const FullPrintConfig &config() const { return m_config; }
const Layer* layer() const { return m_layer; }
GCodeWriter& writer() { return m_writer; }
const GCodeWriter& writer() const { return m_writer; }
PlaceholderParser& placeholder_parser() { return m_placeholder_parser_integration.parser; }
const PlaceholderParser& placeholder_parser() const { return m_placeholder_parser_integration.parser; }
// Process a template through the placeholder parser, collect error messages to be reported
// inside the generated string and after the G-code export finishes.
std::string placeholder_parser_process(const std::string &name, const std::string &templ, unsigned int current_extruder_id, const DynamicConfig *config_override = nullptr);
bool enable_cooling_markers() const { return m_enable_cooling_markers; }
std::string extrusion_role_to_string_for_parser(const ExtrusionRole &);
// For Perl bindings, to be used exclusively by unit tests.
unsigned int layer_count() const { return m_layer_count; }
void set_layer_count(unsigned int value) { m_layer_count = value; }
void apply_print_config(const PrintConfig &print_config);
std::string travel_to(const Point& point, ExtrusionRole role, std::string comment);
bool needs_retraction(const Polyline& travel, ExtrusionRole role, LiftType& lift_type);
std::string retract(bool toolchange = false, bool is_last_retraction = false, LiftType lift_type = LiftType::NormalLift);
std::string unretract() { return m_writer.unlift() + m_writer.unretract(); }
std::string set_extruder(unsigned int extruder_id, double print_z, bool by_object=false);
bool is_BBL_Printer();
// SoftFever
std::string set_object_info(Print* print);
// append full config to the given string
static void append_full_config(const Print& print, std::string& str);
// Object and support extrusions of the same PrintObject at the same print_z.
// public, so that it could be accessed by free helper functions from GCode.cpp
struct LayerToPrint
{
LayerToPrint() : object_layer(nullptr), support_layer(nullptr), original_object(nullptr) {}
const Layer* object_layer;
const SupportLayer* support_layer;
const PrintObject* original_object; //BBS: used for shared object logic
const Layer* layer() const
{
if (object_layer != nullptr)
return object_layer;
if (support_layer != nullptr)
return support_layer;
return nullptr;
}
const PrintObject* object() const
{
return (this->layer() != nullptr) ? this->layer()->object() : nullptr;
}
coordf_t print_z() const
{
coordf_t sum_z = 0.;
size_t count = 0;
if (object_layer != nullptr) {
sum_z += object_layer->print_z;
count++;
}
if (support_layer != nullptr) {
sum_z += support_layer->print_z;
count++;
}
return sum_z / count;
}
};
private:
class GCodeOutputStream {
public:
GCodeOutputStream(FILE *f, GCodeProcessor &processor) : f(f), m_processor(processor) {}
~GCodeOutputStream() { this->close(); }
bool is_open() const { return f; }
bool is_error() const;
void flush();
void close();
// Write a string into a file.
void write(const std::string& what) { this->write(what.c_str()); }
void write(const char* what);
// Write a string into a file.
// Add a newline, if the string does not end with a newline already.
// Used to export a custom G-code section processed by the PlaceholderParser.
void writeln(const std::string& what);
// Formats and write into a file the given data.
void write_format(const char* format, ...);
private:
FILE *f = nullptr;
GCodeProcessor &m_processor;
};
void _do_export(Print &print, GCodeOutputStream &file, ThumbnailsGeneratorCallback thumbnail_cb);
static std::vector<LayerToPrint> collect_layers_to_print(const PrintObject &object);
static std::vector<std::pair<coordf_t, std::vector<LayerToPrint>>> collect_layers_to_print(const Print &print);
LayerResult process_layer(
const Print &print,
// Set of object & print layers of the same PrintObject and with the same print_z.
const std::vector<LayerToPrint> &layers,
const LayerTools &layer_tools,
const bool last_layer,
// Pairs of PrintObject index and its instance index.
const std::vector<const PrintInstance*> *ordering,
// If set to size_t(-1), then print all copies of all objects.
// Otherwise print a single copy of a single object.
const size_t single_object_idx = size_t(-1),
// BBS
const bool prime_extruder = false);
// Process all layers of all objects (non-sequential mode) with a parallel pipeline:
// Generate G-code, run the filters (vase mode, cooling buffer), run the G-code analyser
// and export G-code into file.
void process_layers(
const Print &print,
const ToolOrdering &tool_ordering,
const std::vector<const PrintInstance*> &print_object_instances_ordering,
const std::vector<std::pair<coordf_t, std::vector<LayerToPrint>>> &layers_to_print,
GCodeOutputStream &output_stream);
// Process all layers of a single object instance (sequential mode) with a parallel pipeline:
// Generate G-code, run the filters (vase mode, cooling buffer), run the G-code analyser
// and export G-code into file.
void process_layers(
const Print &print,
const ToolOrdering &tool_ordering,
std::vector<LayerToPrint> layers_to_print,
const size_t single_object_idx,
GCodeOutputStream &output_stream,
// BBS
const bool prime_extruder = false);
//BBS
void check_placeholder_parser_failed();
void set_last_pos(const Point &pos) { m_last_pos = pos; m_last_pos_defined = true; }
bool last_pos_defined() const { return m_last_pos_defined; }
void set_extruders(const std::vector<unsigned int> &extruder_ids);
std::string preamble();
// BBS
std::string change_layer(coordf_t print_z);
// Orca: pass the complete collection of region perimeters to the extrude loop to check whether the wipe before external loop
// should be executed
std::string extrude_entity(const ExtrusionEntity &entity, std::string description = "", double speed = -1., const ExtrusionEntitiesPtr& region_perimeters = ExtrusionEntitiesPtr());
// Orca: pass the complete collection of region perimeters to the extrude loop to check whether the wipe before external loop
// should be executed
std::string extrude_loop(ExtrusionLoop loop, std::string description, double speed = -1., const ExtrusionEntitiesPtr& region_perimeters = ExtrusionEntitiesPtr());
std::string extrude_multi_path(ExtrusionMultiPath multipath, std::string description = "", double speed = -1.);
std::string extrude_path(ExtrusionPath path, std::string description = "", double speed = -1.);
// Extruding multiple objects with soluble / non-soluble / combined supports
// on a multi-material printer, trying to minimize tool switches.
// Following structures sort extrusions by the extruder ID, by an order of objects and object islands.
struct ObjectByExtruder
{
ObjectByExtruder() : support(nullptr), support_extrusion_role(erNone) {}
const ExtrusionEntityCollection *support;
// erSupportMaterial / erSupportMaterialInterface / erSupportTransition or erMixed.
ExtrusionRole support_extrusion_role;
struct Island
{
struct Region {
// Non-owned references to LayerRegion::perimeters::entities
// std::vector<const ExtrusionEntity*> would be better here, but there is no way in C++ to convert from std::vector<T*> std::vector<const T*> without copying.
ExtrusionEntitiesPtr perimeters;
// Non-owned references to LayerRegion::fills::entities
ExtrusionEntitiesPtr infills;
std::vector<const WipingExtrusions::ExtruderPerCopy*> infills_overrides;
std::vector<const WipingExtrusions::ExtruderPerCopy*> perimeters_overrides;
enum Type {
PERIMETERS,
INFILL,
};
// Appends perimeter/infill entities and writes don't indices of those that are not to be extruder as part of perimeter/infill wiping
void append(const Type type, const ExtrusionEntityCollection* eec, const WipingExtrusions::ExtruderPerCopy* copy_extruders);
};
std::vector<Region> by_region; // all extrusions for this island, grouped by regions
// Fills in by_region_per_copy_cache and returns its reference.
const std::vector<Region>& by_region_per_copy(std::vector<Region> &by_region_per_copy_cache, unsigned int copy, unsigned int extruder, bool wiping_entities = false) const;
};
std::vector<Island> islands;
};
struct InstanceToPrint
{
InstanceToPrint(ObjectByExtruder &object_by_extruder, size_t layer_id, const PrintObject &print_object, size_t instance_id, size_t label_object_id) :
object_by_extruder(object_by_extruder), layer_id(layer_id), print_object(print_object), instance_id(instance_id), label_object_id(label_object_id) {}
// Repository
ObjectByExtruder &object_by_extruder;
// Index into std::vector<LayerToPrint>, which contains Object and Support layers for the current print_z, collected for a single object, or for possibly multiple objects with multiple instances.
const size_t layer_id;
const PrintObject &print_object;
// Instance idx of the copy of a print object.
const size_t instance_id;
//BBS: Unique id to label object to support skiping during printing
const size_t label_object_id;
};
std::vector<InstanceToPrint> sort_print_object_instances(
std::vector<ObjectByExtruder> &objects_by_extruder,
// Object and Support layers for the current print_z, collected for a single object, or for possibly multiple objects with multiple instances.
const std::vector<LayerToPrint> &layers,
// Ordering must be defined for normal (non-sequential print).
const std::vector<const PrintInstance*> *ordering,
// For sequential print, the instance of the object to be printing has to be defined.
const size_t single_object_instance_idx);
std::string extrude_perimeters(const Print& print, const std::vector<ObjectByExtruder::Island::Region>& by_region);
std::string extrude_infill(const Print& print, const std::vector<ObjectByExtruder::Island::Region>& by_region, bool ironing);
std::string extrude_support(const ExtrusionEntityCollection& support_fills);
// BBS
LiftType to_lift_type(ZHopType z_hop_types);
std::set<ObjectID> m_objsWithBrim; // indicates the objs with brim
std::set<ObjectID> m_objSupportsWithBrim; // indicates the objs' supports with brim
// Cache for custom seam enforcers/blockers for each layer.
SeamPlacer m_seam_placer;
ExtrusionQualityEstimator m_extrusion_quality_estimator;
/* Origin of print coordinates expressed in unscaled G-code coordinates.
This affects the input arguments supplied to the extrude*() and travel_to()
methods. */
Vec2d m_origin;
FullPrintConfig m_config;
DynamicConfig m_calib_config;
// scaled G-code resolution
double m_scaled_resolution;
GCodeWriter m_writer;
struct PlaceholderParserIntegration {
void reset();
void init(const GCodeWriter &config);
void update_from_gcodewriter(const GCodeWriter &writer);
void validate_output_vector_variables();
PlaceholderParser parser;
// For random number generator etc.
PlaceholderParser::ContextData context;
// Collection of templates, on which the placeholder substitution failed.
std::map<std::string, std::string> failed_templates;
// Input/output from/to custom G-code block, for returning position, retraction etc.
DynamicConfig output_config;
ConfigOptionFloats *opt_position { nullptr };
ConfigOptionFloat *opt_zhop { nullptr };
ConfigOptionFloats *opt_e_position { nullptr };
ConfigOptionFloats *opt_e_retracted { nullptr };
ConfigOptionFloats *opt_e_restart_extra { nullptr };
ConfigOptionFloats *opt_extruded_volume { nullptr };
ConfigOptionFloats *opt_extruded_weight { nullptr };
ConfigOptionFloat *opt_extruded_volume_total { nullptr };
ConfigOptionFloat *opt_extruded_weight_total { nullptr };
// Caches of the data passed to the script.
size_t num_extruders;
std::vector<double> position;
std::vector<double> e_position;
std::vector<double> e_retracted;
std::vector<double> e_restart_extra;
} m_placeholder_parser_integration;
OozePrevention m_ooze_prevention;
Wipe m_wipe;
AvoidCrossingPerimeters m_avoid_crossing_perimeters;
RetractWhenCrossingPerimeters m_retract_when_crossing_perimeters;
bool m_enable_loop_clipping;
// If enabled, the G-code generator will put following comments at the ends
// of the G-code lines: _EXTRUDE_SET_SPEED, _WIPE, _OVERHANG_FAN_START, _OVERHANG_FAN_END
// Those comments are received and consumed (removed from the G-code) by the CoolingBuffer.pm Perl module.
bool m_enable_cooling_markers;
bool m_enable_exclude_object;
std::vector<size_t> m_label_objects_ids;
std::string _encode_label_ids_to_base64(std::vector<size_t> ids);
// Orca
bool m_is_overhang_fan_on;
bool m_is_supp_interface_fan_on;
// Markers for the Pressure Equalizer to recognize the extrusion type.
// The Pressure Equalizer removes the markers from the final G-code.
bool m_enable_extrusion_role_markers;
// Keeps track of the last extrusion role passed to the processor
ExtrusionRole m_last_processor_extrusion_role;
// How many times will change_layer() be called?
// change_layer() will update the progress bar.
unsigned int m_layer_count;
// Progress bar indicator. Increments from -1 up to layer_count.
int m_layer_index;
// Current layer processed. In sequential printing mode, only a single copy will be printed.
// In non-sequential mode, all its copies will be printed.
const Layer* m_layer;
// m_layer is an object layer and it is being printed over raft surface.
bool m_object_layer_over_raft;
//double m_volumetric_speed;
// Support for the extrusion role markers. Which marker is active?
ExtrusionRole m_last_extrusion_role;
// To ignore gapfill role for retract_lift_enforce
ExtrusionRole m_last_notgapfill_extrusion_role;
// Support for G-Code Processor
float m_last_height{ 0.0f };
float m_last_layer_z{ 0.0f };
float m_max_layer_z{ 0.0f };
float m_last_width{ 0.0f };
#if ENABLE_GCODE_VIEWER_DATA_CHECKING
double m_last_mm3_per_mm;
#endif // ENABLE_GCODE_VIEWER_DATA_CHECKING
Point m_last_pos;
bool m_last_pos_defined;
std::unique_ptr<CoolingBuffer> m_cooling_buffer;
std::unique_ptr<SpiralVase> m_spiral_vase;
std::unique_ptr<PressureEqualizer> m_pressure_equalizer;
std::unique_ptr<WipeTowerIntegration> m_wipe_tower;
std::unique_ptr<SmallAreaInfillFlowCompensator> m_small_area_infill_flow_compensator;
// Heights (print_z) at which the skirt has already been extruded.
std::vector<coordf_t> m_skirt_done;
// Has the brim been extruded already? Brim is being extruded only for the first object of a multi-object print.
bool m_brim_done;
// Flag indicating whether the nozzle temperature changes from 1st to 2nd layer were performed.
bool m_second_layer_things_done;
// Index of a last object copy extruded.
std::pair<const PrintObject*, Point> m_last_obj_copy;
int m_timelapse_warning_code = 0;
bool m_support_traditional_timelapse = true;
bool m_silent_time_estimator_enabled;
// Processor
GCodeProcessor m_processor;
//some post-processing on the file, with their data class
std::unique_ptr<FanMover> m_fan_mover;
// BBS
Print* m_curr_print = nullptr;
unsigned int m_toolchange_count;
coordf_t m_nominal_z;
bool m_need_change_layer_lift_z = false;
int m_start_gcode_filament = -1;
std::set<unsigned int> m_initial_layer_extruders;
// BBS
int get_bed_temperature(const int extruder_id, const bool is_first_layer, const BedType bed_type) const;
std::string _extrude(const ExtrusionPath &path, std::string description = "", double speed = -1);
void print_machine_envelope(GCodeOutputStream &file, Print &print);
void _print_first_layer_bed_temperature(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
void _print_first_layer_extruder_temperatures(GCodeOutputStream &file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
// On the first printing layer. This flag triggers first layer speeds.
//BBS
bool on_first_layer() const { return m_layer != nullptr && m_layer->id() == 0 && abs(m_layer->bottom_z()) < EPSILON; }
int layer_id() const {
if (m_layer == nullptr)
return -1;
return m_layer->id();
}
// To control print speed of 1st object layer over raft interface.
bool object_layer_over_raft() const { return m_object_layer_over_raft; }
friend ObjectByExtruder& object_by_extruder(
std::map<unsigned int, std::vector<ObjectByExtruder>> &by_extruder,
unsigned int extruder_id,
size_t object_idx,
size_t num_objects);
friend std::vector<ObjectByExtruder::Island>& object_islands_by_extruder(
std::map<unsigned int, std::vector<ObjectByExtruder>> &by_extruder,
unsigned int extruder_id,
size_t object_idx,
size_t num_objects,
size_t num_islands);
friend class Wipe;
friend class WipeTowerIntegration;
friend class PressureEqualizer;
friend class Print;
friend class SmallAreaInfillFlowCompensator;
};
std::vector<const PrintInstance*> sort_object_instances_by_model_order(const Print& print, bool init_order = false);
}
#endif
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