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374 lines
18 KiB
C++
374 lines
18 KiB
C++
#ifndef slic3r_GCode_hpp_
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#define slic3r_GCode_hpp_
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#include "libslic3r.h"
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#include "ExPolygon.hpp"
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#include "GCodeWriter.hpp"
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#include "Layer.hpp"
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#include "MotionPlanner.hpp"
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#include "Point.hpp"
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#include "PlaceholderParser.hpp"
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#include "Print.hpp"
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#include "PrintConfig.hpp"
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#include "GCode/CoolingBuffer.hpp"
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#include "GCode/SpiralVase.hpp"
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#include "GCode/ToolOrdering.hpp"
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#include "GCode/WipeTower.hpp"
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#include "GCodeTimeEstimator.hpp"
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#include "EdgeGrid.hpp"
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#include "GCode/Analyzer.hpp"
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#include <memory>
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#include <string>
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#ifdef HAS_PRESSURE_EQUALIZER
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#include "GCode/PressureEqualizer.hpp"
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#endif /* HAS_PRESSURE_EQUALIZER */
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namespace Slic3r {
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// Forward declarations.
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class GCode;
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class GCodePreviewData;
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class AvoidCrossingPerimeters {
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public:
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// this flag triggers the use of the external configuration space
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bool use_external_mp;
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bool use_external_mp_once; // just for the next travel move
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// this flag disables avoid_crossing_perimeters just for the next travel move
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// we enable it by default for the first travel move in print
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bool disable_once;
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AvoidCrossingPerimeters() : use_external_mp(false), use_external_mp_once(false), disable_once(true) {}
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~AvoidCrossingPerimeters() {}
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void init_external_mp(const ExPolygons &islands) { m_external_mp = Slic3r::make_unique<MotionPlanner>(islands); }
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void init_layer_mp(const ExPolygons &islands) { m_layer_mp = Slic3r::make_unique<MotionPlanner>(islands); }
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Polyline travel_to(const GCode &gcodegen, const Point &point);
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private:
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std::unique_ptr<MotionPlanner> m_external_mp;
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std::unique_ptr<MotionPlanner> m_layer_mp;
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};
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class OozePrevention {
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public:
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bool enable;
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Points standby_points;
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OozePrevention() : enable(false) {}
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std::string pre_toolchange(GCode &gcodegen);
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std::string post_toolchange(GCode &gcodegen);
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private:
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int _get_temp(GCode &gcodegen);
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};
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class Wipe {
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public:
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bool enable;
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Polyline path;
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Wipe() : enable(false) {}
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bool has_path() const { return !this->path.points.empty(); }
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void reset_path() { this->path = Polyline(); }
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std::string wipe(GCode &gcodegen, bool toolchange = false);
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};
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class WipeTowerIntegration {
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public:
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WipeTowerIntegration(
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const PrintConfig &print_config,
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const WipeTower::ToolChangeResult &priming,
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const std::vector<std::vector<WipeTower::ToolChangeResult>> &tool_changes,
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const WipeTower::ToolChangeResult &final_purge) :
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m_left(/*float(print_config.wipe_tower_x.value)*/ 0.f),
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m_right(float(/*print_config.wipe_tower_x.value +*/ print_config.wipe_tower_width.value)),
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m_wipe_tower_pos(float(print_config.wipe_tower_x.value), float(print_config.wipe_tower_y.value)),
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m_wipe_tower_rotation(float(print_config.wipe_tower_rotation_angle)),
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m_priming(priming),
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m_tool_changes(tool_changes),
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m_final_purge(final_purge),
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m_layer_idx(-1),
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m_tool_change_idx(0),
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m_brim_done(false) {}
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std::string prime(GCode &gcodegen);
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void next_layer() { ++ m_layer_idx; m_tool_change_idx = 0; }
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std::string tool_change(GCode &gcodegen, int extruder_id, bool finish_layer);
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std::string finalize(GCode &gcodegen);
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std::vector<float> used_filament_length() const;
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private:
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WipeTowerIntegration& operator=(const WipeTowerIntegration&);
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std::string append_tcr(GCode &gcodegen, const WipeTower::ToolChangeResult &tcr, int new_extruder_id) const;
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// Postprocesses gcode: rotates and moves all G1 extrusions and returns result
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std::string rotate_wipe_tower_moves(const std::string& gcode_original, const WipeTower::xy& start_pos, const WipeTower::xy& translation, float angle) const;
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// Left / right edges of the wipe tower, for the planning of wipe moves.
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const float m_left;
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const float m_right;
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const WipeTower::xy m_wipe_tower_pos;
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const float m_wipe_tower_rotation;
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// Reference to cached values at the Printer class.
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const WipeTower::ToolChangeResult &m_priming;
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const std::vector<std::vector<WipeTower::ToolChangeResult>> &m_tool_changes;
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const WipeTower::ToolChangeResult &m_final_purge;
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// Current layer index.
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int m_layer_idx;
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int m_tool_change_idx;
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bool m_brim_done;
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bool i_have_brim = false;
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};
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class GCode {
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public:
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GCode() :
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m_origin(Vec2d::Zero()),
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m_enable_loop_clipping(true),
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m_enable_cooling_markers(false),
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m_enable_extrusion_role_markers(false),
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m_enable_analyzer(false),
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m_last_analyzer_extrusion_role(erNone),
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m_layer_count(0),
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m_layer_index(-1),
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m_layer(nullptr),
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m_volumetric_speed(0),
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m_last_pos_defined(false),
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m_last_extrusion_role(erNone),
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m_last_mm3_per_mm(GCodeAnalyzer::Default_mm3_per_mm),
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m_last_width(GCodeAnalyzer::Default_Width),
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m_last_height(GCodeAnalyzer::Default_Height),
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m_brim_done(false),
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m_second_layer_things_done(false),
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m_normal_time_estimator(GCodeTimeEstimator::Normal),
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m_silent_time_estimator(GCodeTimeEstimator::Silent),
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m_silent_time_estimator_enabled(false),
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m_last_obj_copy(nullptr, Point(std::numeric_limits<coord_t>::max(), std::numeric_limits<coord_t>::max()))
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{}
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~GCode() {}
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// throws std::runtime_exception on error,
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// throws CanceledException through print->throw_if_canceled().
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void do_export(Print *print, const char *path, GCodePreviewData *preview_data = nullptr);
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// Exported for the helper classes (OozePrevention, Wipe) and for the Perl binding for unit tests.
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const Vec2d& origin() const { return m_origin; }
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void set_origin(const Vec2d &pointf);
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void set_origin(const coordf_t x, const coordf_t y) { this->set_origin(Vec2d(x, y)); }
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const Point& last_pos() const { return m_last_pos; }
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Vec2d point_to_gcode(const Point &point) const;
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Point gcode_to_point(const Vec2d &point) const;
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const FullPrintConfig &config() const { return m_config; }
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const Layer* layer() const { return m_layer; }
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GCodeWriter& writer() { return m_writer; }
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PlaceholderParser& placeholder_parser() { return m_placeholder_parser; }
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const PlaceholderParser& placeholder_parser() const { return m_placeholder_parser; }
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// Process a template through the placeholder parser, collect error messages to be reported
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// inside the generated string and after the G-code export finishes.
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std::string placeholder_parser_process(const std::string &name, const std::string &templ, unsigned int current_extruder_id, const DynamicConfig *config_override = nullptr);
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bool enable_cooling_markers() const { return m_enable_cooling_markers; }
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// For Perl bindings, to be used exclusively by unit tests.
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unsigned int layer_count() const { return m_layer_count; }
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void set_layer_count(unsigned int value) { m_layer_count = value; }
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void apply_print_config(const PrintConfig &print_config);
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// append full config to the given string
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static void append_full_config(const Print& print, std::string& str);
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protected:
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void _do_export(Print &print, FILE *file);
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// Object and support extrusions of the same PrintObject at the same print_z.
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struct LayerToPrint
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{
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LayerToPrint() : object_layer(nullptr), support_layer(nullptr) {}
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const Layer *object_layer;
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const SupportLayer *support_layer;
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const Layer* layer() const { return (object_layer != nullptr) ? object_layer : support_layer; }
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const PrintObject* object() const { return (this->layer() != nullptr) ? this->layer()->object() : nullptr; }
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coordf_t print_z() const { return (object_layer != nullptr && support_layer != nullptr) ? 0.5 * (object_layer->print_z + support_layer->print_z) : this->layer()->print_z; }
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};
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static std::vector<GCode::LayerToPrint> collect_layers_to_print(const PrintObject &object);
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static std::vector<std::pair<coordf_t, std::vector<LayerToPrint>>> collect_layers_to_print(const Print &print);
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void process_layer(
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// Write into the output file.
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FILE *file,
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const Print &print,
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// Set of object & print layers of the same PrintObject and with the same print_z.
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const std::vector<LayerToPrint> &layers,
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const LayerTools &layer_tools,
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// If set to size_t(-1), then print all copies of all objects.
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// Otherwise print a single copy of a single object.
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const size_t single_object_idx = size_t(-1));
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void set_last_pos(const Point &pos) { m_last_pos = pos; m_last_pos_defined = true; }
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bool last_pos_defined() const { return m_last_pos_defined; }
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void set_extruders(const std::vector<unsigned int> &extruder_ids);
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std::string preamble();
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std::string change_layer(coordf_t print_z);
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std::string extrude_entity(const ExtrusionEntity &entity, std::string description = "", double speed = -1., std::unique_ptr<EdgeGrid::Grid> *lower_layer_edge_grid = nullptr);
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std::string extrude_loop(ExtrusionLoop loop, std::string description, double speed = -1., std::unique_ptr<EdgeGrid::Grid> *lower_layer_edge_grid = nullptr);
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std::string extrude_multi_path(ExtrusionMultiPath multipath, std::string description = "", double speed = -1.);
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std::string extrude_path(ExtrusionPath path, std::string description = "", double speed = -1.);
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typedef std::vector<int> ExtruderPerCopy;
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// Extruding multiple objects with soluble / non-soluble / combined supports
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// on a multi-material printer, trying to minimize tool switches.
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// Following structures sort extrusions by the extruder ID, by an order of objects and object islands.
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struct ObjectByExtruder
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{
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ObjectByExtruder() : support(nullptr), support_extrusion_role(erNone) {}
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const ExtrusionEntityCollection *support;
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// erSupportMaterial / erSupportMaterialInterface or erMixed.
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ExtrusionRole support_extrusion_role;
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struct Island
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{
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struct Region {
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ExtrusionEntityCollection perimeters;
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ExtrusionEntityCollection infills;
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std::vector<const ExtruderPerCopy*> infills_overrides;
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std::vector<const ExtruderPerCopy*> perimeters_overrides;
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// Appends perimeter/infill entities and writes don't indices of those that are not to be extruder as part of perimeter/infill wiping
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void append(const std::string& type, const ExtrusionEntityCollection* eec, const ExtruderPerCopy* copy_extruders, unsigned int object_copies_num);
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};
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std::vector<Region> by_region; // all extrusions for this island, grouped by regions
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const std::vector<Region>& by_region_per_copy(unsigned int copy, int extruder, bool wiping_entities = false); // returns reference to subvector of by_region
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private:
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std::vector<Region> by_region_per_copy_cache; // caches vector generated by function above to avoid copying and recalculating
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};
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std::vector<Island> islands;
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};
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std::string extrude_perimeters(const Print &print, const std::vector<ObjectByExtruder::Island::Region> &by_region, std::unique_ptr<EdgeGrid::Grid> &lower_layer_edge_grid);
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std::string extrude_infill(const Print &print, const std::vector<ObjectByExtruder::Island::Region> &by_region);
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std::string extrude_support(const ExtrusionEntityCollection &support_fills);
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std::string travel_to(const Point &point, ExtrusionRole role, std::string comment);
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bool needs_retraction(const Polyline &travel, ExtrusionRole role = erNone);
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std::string retract(bool toolchange = false);
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std::string unretract() { return m_writer.unlift() + m_writer.unretract(); }
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std::string set_extruder(unsigned int extruder_id, double print_z);
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/* Origin of print coordinates expressed in unscaled G-code coordinates.
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This affects the input arguments supplied to the extrude*() and travel_to()
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methods. */
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Vec2d m_origin;
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FullPrintConfig m_config;
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GCodeWriter m_writer;
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PlaceholderParser m_placeholder_parser;
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// Collection of templates, on which the placeholder substitution failed.
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std::set<std::string> m_placeholder_parser_failed_templates;
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OozePrevention m_ooze_prevention;
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Wipe m_wipe;
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AvoidCrossingPerimeters m_avoid_crossing_perimeters;
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bool m_enable_loop_clipping;
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// If enabled, the G-code generator will put following comments at the ends
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// of the G-code lines: _EXTRUDE_SET_SPEED, _WIPE, _BRIDGE_FAN_START, _BRIDGE_FAN_END
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// Those comments are received and consumed (removed from the G-code) by the CoolingBuffer.pm Perl module.
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bool m_enable_cooling_markers;
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// Markers for the Pressure Equalizer to recognize the extrusion type.
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// The Pressure Equalizer removes the markers from the final G-code.
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bool m_enable_extrusion_role_markers;
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// Enableds the G-code Analyzer.
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// Extended markers will be added during G-code generation.
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// The G-code Analyzer will remove these comments from the final G-code.
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bool m_enable_analyzer;
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ExtrusionRole m_last_analyzer_extrusion_role;
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// How many times will change_layer() be called?
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// change_layer() will update the progress bar.
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unsigned int m_layer_count;
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// Progress bar indicator. Increments from -1 up to layer_count.
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int m_layer_index;
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// Current layer processed. Insequential printing mode, only a single copy will be printed.
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// In non-sequential mode, all its copies will be printed.
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const Layer* m_layer;
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std::map<const PrintObject*,Point> m_seam_position;
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double m_volumetric_speed;
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// Support for the extrusion role markers. Which marker is active?
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ExtrusionRole m_last_extrusion_role;
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// Support for G-Code Analyzer
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double m_last_mm3_per_mm;
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float m_last_width;
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float m_last_height;
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Point m_last_pos;
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bool m_last_pos_defined;
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std::unique_ptr<CoolingBuffer> m_cooling_buffer;
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std::unique_ptr<SpiralVase> m_spiral_vase;
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#ifdef HAS_PRESSURE_EQUALIZER
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std::unique_ptr<PressureEqualizer> m_pressure_equalizer;
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#endif /* HAS_PRESSURE_EQUALIZER */
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std::unique_ptr<WipeTowerIntegration> m_wipe_tower;
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// Heights at which the skirt has already been extruded.
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std::vector<coordf_t> m_skirt_done;
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// Has the brim been extruded already? Brim is being extruded only for the first object of a multi-object print.
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bool m_brim_done;
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// Flag indicating whether the nozzle temperature changes from 1st to 2nd layer were performed.
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bool m_second_layer_things_done;
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// Index of a last object copy extruded.
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std::pair<const PrintObject*, Point> m_last_obj_copy;
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// Layer heights for colorprint - updated before the export and erased during the process
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// so no toolchange occurs twice.
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std::vector<float> m_colorprint_heights;
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// Time estimators
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GCodeTimeEstimator m_normal_time_estimator;
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GCodeTimeEstimator m_silent_time_estimator;
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bool m_silent_time_estimator_enabled;
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// Analyzer
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GCodeAnalyzer m_analyzer;
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// Write a string into a file.
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void _write(FILE* file, const std::string& what) { this->_write(file, what.c_str()); }
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void _write(FILE* file, const char *what);
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// Write a string into a file.
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// Add a newline, if the string does not end with a newline already.
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// Used to export a custom G-code section processed by the PlaceholderParser.
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void _writeln(FILE* file, const std::string& what);
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// Formats and write into a file the given data.
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void _write_format(FILE* file, const char* format, ...);
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std::string _extrude(const ExtrusionPath &path, std::string description = "", double speed = -1);
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void print_machine_envelope(FILE *file, Print &print);
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void _print_first_layer_bed_temperature(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
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void _print_first_layer_extruder_temperatures(FILE *file, Print &print, const std::string &gcode, unsigned int first_printing_extruder_id, bool wait);
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// this flag triggers first layer speeds
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bool on_first_layer() const { return m_layer != nullptr && m_layer->id() == 0; }
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friend ObjectByExtruder& object_by_extruder(
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std::map<unsigned int, std::vector<ObjectByExtruder>> &by_extruder,
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unsigned int extruder_id,
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size_t object_idx,
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size_t num_objects);
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friend std::vector<ObjectByExtruder::Island>& object_islands_by_extruder(
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std::map<unsigned int, std::vector<ObjectByExtruder>> &by_extruder,
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unsigned int extruder_id,
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size_t object_idx,
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size_t num_objects,
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size_t num_islands);
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friend class Wipe;
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friend class WipeTowerIntegration;
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};
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}
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#endif
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