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nmsmith22389/GCodeWriter.cpp

Created March 31, 2024 19:58
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GCodeWriter.cpp
#include "GCodeWriter.hpp"
#include "CustomGCode.hpp"
#include <algorithm>
#include <iomanip>
#include <iostream>
#include <map>
#include <assert.h>
#include <GCode/GCodeProcessor.hpp>
#ifdef __APPLE__
#include <boost/spirit/include/karma.hpp>
#endif
#define FLAVOR_IS(val) this->config.gcode_flavor == val
#define FLAVOR_IS_NOT(val) this->config.gcode_flavor != val
namespace Slic3r {
bool GCodeWriter::full_gcode_comment = true;
const double GCodeWriter::slope_threshold = 3 * PI / 180;
bool GCodeWriter::supports_separate_travel_acceleration(GCodeFlavor flavor)
{
return (flavor == gcfRepetier || flavor == gcfMarlinFirmware || flavor == gcfRepRapFirmware);
}
void GCodeWriter::apply_print_config(const PrintConfig &print_config)
{
this->config.apply(print_config, true);
m_single_extruder_multi_material = print_config.single_extruder_multi_material.value;
bool use_mach_limits = print_config.gcode_flavor.value == gcfMarlinLegacy || print_config.gcode_flavor.value == gcfMarlinFirmware ||
print_config.gcode_flavor.value == gcfKlipper || print_config.gcode_flavor.value == gcfRepRapFirmware;
m_max_acceleration = std::lrint(use_mach_limits ? print_config.machine_max_acceleration_extruding.values.front() : 0);
m_max_travel_acceleration = static_cast<unsigned int>(
std::round((use_mach_limits && supports_separate_travel_acceleration(print_config.gcode_flavor.value)) ?
print_config.machine_max_acceleration_travel.values.front() :
0));
m_max_jerk = std::lrint(
use_mach_limits ? std::min(print_config.machine_max_jerk_x.values.front(), print_config.machine_max_jerk_y.values.front()) : 0);
m_max_jerk_z = print_config.machine_max_jerk_z.values.front();
m_max_jerk_e = print_config.machine_max_jerk_e.values.front();
}
void GCodeWriter::set_extruders(std::vector<unsigned int> extruder_ids)
{
std::sort(extruder_ids.begin(), extruder_ids.end());
m_extruders.clear();
m_extruders.reserve(extruder_ids.size());
for (unsigned int extruder_id : extruder_ids)
m_extruders.emplace_back(Extruder(extruder_id, &this->config, config.single_extruder_multi_material.value));
/* we enable support for multiple extruder if any extruder greater than 0 is used
(even if prints only uses that one) since we need to output Tx commands
first extruder has index 0 */
this->multiple_extruders = (*std::max_element(extruder_ids.begin(), extruder_ids.end())) > 0;
}
std::string GCodeWriter::preamble()
{
std::ostringstream gcode;
if (FLAVOR_IS_NOT(gcfMakerWare)) {
gcode << "G90\n";
gcode << "G21\n";
}
if (FLAVOR_IS(gcfRepRapSprinter) ||
FLAVOR_IS(gcfRepRapFirmware) ||
FLAVOR_IS(gcfMarlinLegacy) ||
FLAVOR_IS(gcfMarlinFirmware) ||
FLAVOR_IS(gcfTeacup) ||
FLAVOR_IS(gcfRepetier) ||
FLAVOR_IS(gcfSmoothie) ||
FLAVOR_IS(gcfKlipper))
{
if (this->config.use_relative_e_distances) {
gcode << "M83 ; use relative distances for extrusion\n";
} else {
gcode << "M82 ; use absolute distances for extrusion\n";
}
gcode << this->reset_e(true);
}
return gcode.str();
}
std::string GCodeWriter::postamble() const
{
std::ostringstream gcode;
if (FLAVOR_IS(gcfMachinekit))
gcode << "M2 ; end of program\n";
return gcode.str();
}
std::string GCodeWriter::set_temperature(unsigned int temperature, bool wait, int tool) const
{
if (wait && (FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)))
return "";
std::string code, comment;
if (wait && FLAVOR_IS_NOT(gcfTeacup) && FLAVOR_IS_NOT(gcfRepRapFirmware)) {
code = "M109";
comment = "set nozzle temperature and wait for it to be reached";
} else {
if (FLAVOR_IS(gcfRepRapFirmware)) { // M104 is deprecated on RepRapFirmware
code = "G10";
} else {
code = "M104";
}
comment = "set nozzle temperature";
}
std::ostringstream gcode;
gcode << code << " ";
if (FLAVOR_IS(gcfMach3) || FLAVOR_IS(gcfMachinekit)) {
gcode << "P";
} else {
gcode << "S";
}
gcode << temperature;
bool multiple_tools = this->multiple_extruders && ! m_single_extruder_multi_material;
if (tool != -1 && (multiple_tools || FLAVOR_IS(gcfMakerWare) || FLAVOR_IS(gcfSailfish)) ) {
if (FLAVOR_IS(gcfRepRapFirmware)) {
gcode << " P" << tool;
} else {
gcode << " T" << tool;
}
}
gcode << " ; " << comment << "\n";
if ((FLAVOR_IS(gcfTeacup) || FLAVOR_IS(gcfRepRapFirmware)) && wait)
gcode << "M116 ; wait for temperature to be reached\n";
return gcode.str();
}
// BBS
std::string GCodeWriter::set_bed_temperature(int temperature, bool wait)
{
if (temperature == m_last_bed_temperature && (! wait || m_last_bed_temperature_reached))
return std::string();
m_last_bed_temperature = temperature;
m_last_bed_temperature_reached = wait;
std::string code, comment;
std::ostringstream gcode;
if (wait) {
code = "M190";
comment = "set bed temperature and wait for it to be reached";
}
else {
code = "M140";
comment = "set bed temperature";
}
gcode << code << " S" << temperature << " ; " << comment << "\n";
return gcode.str();
}
std::string GCodeWriter::set_chamber_temperature(int temperature, bool wait)
{
std::string code, comment;
std::ostringstream gcode;
if (wait)
{
// Orca: should we let the M191 command to turn on the auxiliary fan?
if (config.auxiliary_fan)
gcode << "M106 P2 S255 \n";
gcode << "M191 S" << std::to_string(temperature) << " ;"
<< "set chamber_temperature and wait for it to be reached\n";
if (config.auxiliary_fan)
gcode << "M106 P2 S0 \n";
}
else {
code = "M141";
comment = "set chamber_temperature";
gcode << code << " S" << temperature << ";" << comment << "\n";
}
return gcode.str();
}
// copied from PrusaSlicer
std::string GCodeWriter::set_acceleration_internal(Acceleration type, unsigned int acceleration)
{
// Clamp the acceleration to the allowed maximum.
if (type == Acceleration::Print && m_max_acceleration > 0 && acceleration > m_max_acceleration)
acceleration = m_max_acceleration;
if (type == Acceleration::Travel && m_max_travel_acceleration > 0 && acceleration > m_max_travel_acceleration)
acceleration = m_max_travel_acceleration;
// Are we setting travel acceleration for a flavour that supports separate travel and print acc?
bool separate_travel = (type == Acceleration::Travel && supports_separate_travel_acceleration(this->config.gcode_flavor));
auto& last_value = separate_travel ? m_last_travel_acceleration : m_last_acceleration ;
if (acceleration == 0 || acceleration == last_value)
return std::string();
last_value = acceleration;
std::ostringstream gcode;
if (FLAVOR_IS(gcfRepetier))
gcode << (separate_travel ? "M202 X" : "M201 X") << acceleration << " Y" << acceleration;
else if (FLAVOR_IS(gcfRepRapFirmware) || FLAVOR_IS(gcfMarlinFirmware))
gcode << (separate_travel ? "M204 T" : "M204 P") << acceleration;
else if (FLAVOR_IS(gcfKlipper)) {
gcode << "SET_VELOCITY_LIMIT ACCEL=" << acceleration;
if (this->config.accel_to_decel_enable) {
gcode << " ACCEL_TO_DECEL=" << acceleration * this->config.accel_to_decel_factor / 100;
if (GCodeWriter::full_gcode_comment)
gcode << " ; adjust ACCEL_TO_DECEL";
}
}
else
gcode << "M204 S" << acceleration;
if (GCodeWriter::full_gcode_comment) gcode << " ; adjust acceleration";
gcode << "\n";
return gcode.str();
}
std::string GCodeWriter::set_jerk_xy(double jerk)
{
// Clamp the jerk to the allowed maximum.
if (m_max_jerk > 0 && jerk > m_max_jerk)
jerk = m_max_jerk;
if (jerk < 0.01 || is_approx(jerk, m_last_jerk))
return std::string();
m_last_jerk = jerk;
std::ostringstream gcode;
if(FLAVOR_IS(gcfKlipper))
gcode << "SET_VELOCITY_LIMIT SQUARE_CORNER_VELOCITY=" << jerk;
else
gcode << "M205 X" << jerk << " Y" << jerk;
if (m_is_bbl_printers)
gcode << std::setprecision(2) << " Z" << m_max_jerk_z << " E" << m_max_jerk_e;
if (GCodeWriter::full_gcode_comment) gcode << " ; adjust jerk";
gcode << "\n";
return gcode.str();
}
std::string GCodeWriter::set_accel_and_jerk(unsigned int acceleration, double jerk)
{
// Only Klipper supports setting acceleration and jerk at the same time. Throw an error if we try to do this on other flavours.
if(FLAVOR_IS_NOT(gcfKlipper))
throw std::runtime_error("set_accel_and_jerk() is only supported by Klipper");
// Clamp the acceleration to the allowed maximum.
if (m_max_acceleration > 0 && acceleration > m_max_acceleration)
acceleration = m_max_acceleration;
bool is_empty = true;
std::ostringstream gcode;
gcode << "SET_VELOCITY_LIMIT";
if (acceleration != 0 && acceleration != m_last_acceleration) {
gcode << " ACCEL=" << acceleration;
if (this->config.accel_to_decel_enable) {
gcode << " ACCEL_TO_DECEL=" << acceleration * this->config.accel_to_decel_factor / 100;
}
m_last_acceleration = acceleration;
is_empty = false;
}
// Clamp the jerk to the allowed maximum.
if (m_max_jerk > 0 && jerk > m_max_jerk)
jerk = m_max_jerk;
if (jerk > 0.01 && !is_approx(jerk, m_last_jerk)) {
gcode << " SQUARE_CORNER_VELOCITY=" << jerk;
m_last_jerk = jerk;
is_empty = false;
}
if(is_empty)
return std::string();
if (GCodeWriter::full_gcode_comment)
gcode << " ; adjust VELOCITY_LIMIT(accel/jerk)";
gcode << "\n";
return gcode.str();
}
std::string GCodeWriter::set_pressure_advance(double pa) const
{
std::ostringstream gcode;
if (pa < 0)
return gcode.str();
if(m_is_bbl_printers){
//SoftFever: set L1000 to use linear model
gcode << "M900 K" <<std::setprecision(4)<< pa << " L1000 M10 ; Override pressure advance value\n";
}
else{
if (FLAVOR_IS(gcfKlipper))
gcode << "SET_PRESSURE_ADVANCE ADVANCE=" << std::setprecision(4) << pa << "; Override pressure advance value\n";
else if(FLAVOR_IS(gcfRepRapFirmware))
gcode << ("M572 D0 S") << std::setprecision(4) << pa << "; Override pressure advance value\n";
else
gcode << "M900 K" <<std::setprecision(4)<< pa << "; Override pressure advance value\n";
}
return gcode.str();
}
std::string GCodeWriter::reset_e(bool force)
{
if (FLAVOR_IS(gcfMach3)
|| FLAVOR_IS(gcfMakerWare)
|| FLAVOR_IS(gcfSailfish))
return "";
if (m_extruder != nullptr) {
if (is_zero(m_extruder->E()) && ! force)
return "";
m_extruder->reset_E();
}
if (! this->config.use_relative_e_distances) {
std::ostringstream gcode;
gcode << "G92 E0";
//BBS
if (GCodeWriter::full_gcode_comment) gcode << " ; reset extrusion distance";
gcode << "\n";
return gcode.str();
} else {
return "";
}
}
std::string GCodeWriter::update_progress(unsigned int num, unsigned int tot, bool allow_100) const
{
if (FLAVOR_IS_NOT(gcfMakerWare) && FLAVOR_IS_NOT(gcfSailfish))
return "";
if (config.disable_m73) {
return "";
}
unsigned int percent = (unsigned int)floor(100.0 * num / tot + 0.5);
if (!allow_100) percent = std::min(percent, (unsigned int)99);
std::ostringstream gcode;
gcode << "M73 P" << percent;
//BBS
if (GCodeWriter::full_gcode_comment) gcode << " ; update progress";
gcode << "\n";
return gcode.str();
}
std::string GCodeWriter::toolchange_prefix() const
{
return config.manual_filament_change ? ";" + GCodeProcessor::reserved_tag(GCodeProcessor::ETags::Manual_Tool_Change) + "T":
FLAVOR_IS(gcfMakerWare) ? "M135 T" :
FLAVOR_IS(gcfSailfish) ? "M108 T" : "T";
}
std::string GCodeWriter::toolchange(unsigned int extruder_id)
{
// set the new extruder
auto it_extruder = Slic3r::lower_bound_by_predicate(m_extruders.begin(), m_extruders.end(), [extruder_id](const Extruder &e) { return e.id() < extruder_id; });
assert(it_extruder != m_extruders.end() && it_extruder->id() == extruder_id);
m_extruder = &*it_extruder;
// return the toolchange command
// if we are running a single-extruder setup, just set the extruder and return nothing
std::ostringstream gcode;
if (this->multiple_extruders || (this->config.filament_diameter.values.size() > 1 && !is_bbl_printers())) {
gcode << this->toolchange_prefix() << extruder_id;
//BBS
if (GCodeWriter::full_gcode_comment)
gcode << " ; change extruder";
gcode << "\n";
gcode << this->reset_e(true);
}
return gcode.str();
}
std::string GCodeWriter::set_speed(double F, const std::string &comment, const std::string &cooling_marker)
{
assert(F > 0.);
assert(F < 100000.);
m_current_speed = F;
GCodeG1Formatter w;
w.emit_f(F);
//BBS
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
w.emit_string(cooling_marker);
return w.string();
}
std::string GCodeWriter::travel_to_xy(const Vec2d &point, const std::string &comment)
{
m_pos(0) = point(0);
m_pos(1) = point(1);
this->set_current_position_clear(true);
//BBS: take plate offset into consider
Vec2d point_on_plate = { point(0) - m_x_offset, point(1) - m_y_offset };
GCodeG1Formatter w;
w.emit_xy(point_on_plate);
auto speed = m_is_first_layer
? this->config.get_abs_value("initial_layer_travel_speed") : this->config.travel_speed.value;
w.emit_f(speed * 60.0);
//BBS
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
return w.string();
}
std::string GCodeWriter::travel_to_xyz(const Vec3d &point, const std::string &comment)
{
// FIXME: This function was not being used when travel_speed_z was separated (bd6badf).
// Calculation of feedrate was not updated accordingly. If you want to use
// this function, fix it first.
//std::terminate();
/* If target Z is lower than current Z but higher than nominal Z we
don't perform the Z move but we only move in the XY plane and
adjust the nominal Z by reducing the lift amount that will be
used for unlift. */
// BBS
Vec3d dest_point = point;
auto travel_speed =
m_is_first_layer ? this->config.get_abs_value("initial_layer_travel_speed") : this->config.travel_speed.value;
//BBS: a z_hop need to be handle when travel
if (std::abs(m_to_lift) > EPSILON) {
assert(std::abs(m_lifted) < EPSILON);
//BBS: don't need to do real lift if the current position is absolutely same with target.
//This ususally happens when the last extrusion line is short and the end of wipe position
//is same with the traget point by chance.
if ((!this->is_current_position_clear() || m_pos != dest_point) &&
m_to_lift + m_pos(2) > point(2)) {
m_lifted = m_to_lift + m_pos(2) - point(2);
dest_point(2) = m_to_lift + m_pos(2);
}
m_to_lift = 0.;
std::string slop_move;
//BBS: minus plate offset
Vec3d source = { m_pos(0) - m_x_offset, m_pos(1) - m_y_offset, m_pos(2) };
Vec3d target = { dest_point(0) - m_x_offset, dest_point(1) - m_y_offset, dest_point(2) };
Vec3d delta = target - source;
Vec2d delta_no_z = { delta(0), delta(1) };
//BBS: don'need slope travel because we don't know where is the source position the first time
//BBS: Also don't need to do slope move or spiral lift if x-y distance is absolute zero
if (delta(2) > 0 && delta_no_z.norm() != 0.0f) {
//BBS: SpiralLift
if (m_to_lift_type == LiftType::SpiralLift && this->is_current_position_clear()) {
//BBS: todo: check the arc move all in bed area, if not, then use lazy lift
double radius = delta(2) / (2 * PI * atan(GCodeWriter::slope_threshold));
Vec2d ij_offset = radius * delta_no_z.normalized();
ij_offset = { -ij_offset(1), ij_offset(0) };
slop_move = this->_spiral_travel_to_z(target(2), ij_offset, "spiral lift Z");
}
//BBS: LazyLift
else if (m_to_lift_type == LiftType::LazyLift &&
this->is_current_position_clear() &&
atan2(delta(2), delta_no_z.norm()) < GCodeWriter::slope_threshold) {
//BBS: check whether we can make a travel like
// _____
// / to make the z list early to avoid to hit some warping place when travel is long.
Vec2d temp = delta_no_z.normalized() * delta(2) / tan(GCodeWriter::slope_threshold);
Vec3d slope_top_point = Vec3d(temp(0), temp(1), delta(2)) + source;
GCodeG1Formatter w0;
w0.emit_xyz(slope_top_point);
w0.emit_f(travel_speed * 60.0);
//BBS
w0.emit_comment(GCodeWriter::full_gcode_comment, comment);
slop_move = w0.string();
}
else if (m_to_lift_type == LiftType::NormalLift) {
slop_move = _travel_to_z(target.z(), "normal lift Z");
}
}
std::string xy_z_move;
{
GCodeG1Formatter w0;
if (this->is_current_position_clear()) {
w0.emit_xyz(target);
w0.emit_f(travel_speed * 60.0);
w0.emit_comment(GCodeWriter::full_gcode_comment, comment);
xy_z_move = w0.string();
}
else {
w0.emit_xy(Vec2d(target.x(), target.y()));
w0.emit_f(travel_speed * 60.0);
w0.emit_comment(GCodeWriter::full_gcode_comment, comment);
xy_z_move = w0.string() + _travel_to_z(target.z(), comment);
}
}
m_pos = dest_point;
this->set_current_position_clear(true);
return slop_move + xy_z_move;
}
else if (!this->will_move_z(point(2))) {
double nominal_z = m_pos(2) - m_lifted;
m_lifted -= (point(2) - nominal_z);
// In case that z_hop == layer_height we could end up with almost zero in_m_lifted
// and a retract could be skipped
if (std::abs(m_lifted) < EPSILON)
m_lifted = 0.;
//BBS
this->set_current_position_clear(true);
return this->travel_to_xy(to_2d(point));
}
else {
/* In all the other cases, we perform an actual XYZ move and cancel
the lift. */
m_lifted = 0;
}
//BBS: take plate offset into consider
Vec3d point_on_plate = { dest_point(0) - m_x_offset, dest_point(1) - m_y_offset, dest_point(2) };
std::string out_string;
GCodeG1Formatter w;
if (!this->is_current_position_clear())
{
//force to move xy first then z after filament change
w.emit_xy(Vec2d(point_on_plate.x(), point_on_plate.y()));
w.emit_f(this->config.travel_speed.value * 60.0);
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
out_string = w.string() + _travel_to_z(point_on_plate.z(), comment);
} else {
GCodeG1Formatter w;
w.emit_xyz(point_on_plate);
w.emit_f(this->config.travel_speed.value * 60.0);
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
out_string = w.string();
}
m_pos = dest_point;
this->set_current_position_clear(true);
return out_string;
}
std::string GCodeWriter::travel_to_z(double z, const std::string &comment)
{
/* If target Z is lower than current Z but higher than nominal Z
we don't perform the move but we only adjust the nominal Z by
reducing the lift amount that will be used for unlift. */
if (!this->will_move_z(z)) {
double nominal_z = m_pos(2) - m_lifted;
m_lifted -= (z - nominal_z);
if (std::abs(m_lifted) < EPSILON)
m_lifted = 0.;
return "";
}
/* In all the other cases, we perform an actual Z move and cancel
the lift. */
m_lifted = 0;
return this->_travel_to_z(z, comment);
}
std::string GCodeWriter::_travel_to_z(double z, const std::string &comment)
{
m_pos(2) = z;
double speed = this->config.travel_speed_z.value;
if (speed == 0.) {
speed = m_is_first_layer ? this->config.get_abs_value("initial_layer_travel_speed")
: this->config.travel_speed.value;
}
GCodeG1Formatter w;
w.emit_z(z);
w.emit_f(speed * 60.0);
//BBS
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
return w.string();
}
std::string GCodeWriter::_spiral_travel_to_z(double z, const Vec2d &ij_offset, const std::string &comment)
{
m_pos(2) = z;
double speed = this->config.travel_speed_z.value;
if (speed == 0.) {
speed = m_is_first_layer ? this->config.get_abs_value("initial_layer_travel_speed")
: this->config.travel_speed.value;
}
std::string output = "G17\n";
GCodeG2G3Formatter w(true);
w.emit_z(z);
w.emit_ij(ij_offset);
w.emit_string(" P1 ");
w.emit_f(speed * 60.0);
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
return output + w.string();
}
bool GCodeWriter::will_move_z(double z) const
{
/* If target Z is lower than current Z but higher than nominal Z
we don't perform an actual Z move. */
if (m_lifted > 0) {
double nominal_z = m_pos(2) - m_lifted;
if (z >= nominal_z && z <= m_pos(2))
return false;
}
// BBS.
// Dont move z if it is the same as target z
else if (std::abs(m_pos(2) - z) < EPSILON) {
return false;
}
return true;
}
std::string GCodeWriter::extrude_to_xy(const Vec2d &point, double dE, const std::string &comment, bool force_no_extrusion)
{
m_pos(0) = point(0);
m_pos(1) = point(1);
if(std::abs(dE) <= std::numeric_limits<double>::epsilon())
force_no_extrusion = true;
if (!force_no_extrusion)
m_extruder->extrude(dE);
//BBS: take plate offset into consider
Vec2d point_on_plate = { point(0) - m_x_offset, point(1) - m_y_offset };
GCodeG1Formatter w;
w.emit_xy(point_on_plate);
if (!force_no_extrusion)
w.emit_e(m_extruder->E());
//BBS
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
return w.string();
}
//BBS: generate G2 or G3 extrude which moves by arc
//point is end point which means X and Y axis
//center_offset is I and J axis
std::string GCodeWriter::extrude_arc_to_xy(const Vec2d& point, const Vec2d& center_offset, double dE, const bool is_ccw, const std::string& comment, bool force_no_extrusion)
{
m_pos(0) = point(0);
m_pos(1) = point(1);
if (!force_no_extrusion)
m_extruder->extrude(dE);
Vec2d point_on_plate = { point(0) - m_x_offset, point(1) - m_y_offset };
GCodeG2G3Formatter w(is_ccw);
w.emit_xy(point_on_plate);
w.emit_ij(center_offset);
if (!force_no_extrusion)
w.emit_e(m_extruder->E());
//BBS
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
return w.string();
}
std::string GCodeWriter::extrude_to_xyz(const Vec3d &point, double dE, const std::string &comment, bool force_no_extrusion)
{
m_pos = point;
m_lifted = 0;
if (!force_no_extrusion)
m_extruder->extrude(dE);
//BBS: take plate offset into consider
Vec3d point_on_plate = { point(0) - m_x_offset, point(1) - m_y_offset, point(2) };
GCodeG1Formatter w;
w.emit_xyz(point_on_plate);
if (!force_no_extrusion)
w.emit_e(m_extruder->E());
//BBS
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
return w.string();
}
std::string GCodeWriter::retract(bool before_wipe, double retract_length)
{
double factor = before_wipe ? m_extruder->retract_before_wipe() : 1.;
assert(factor >= 0. && factor <= 1. + EPSILON);
return this->_retract(
retract_length > EPSILON ? retract_length : factor * m_extruder->retraction_length(),
factor * m_extruder->retract_restart_extra(),
"retract"
);
}
std::string GCodeWriter::retract_for_toolchange(bool before_wipe, double retract_length)
{
double factor = before_wipe ? m_extruder->retract_before_wipe() : 1.;
assert(factor >= 0. && factor <= 1. + EPSILON);
return this->_retract(
retract_length > EPSILON ? retract_length : factor * m_extruder->retract_length_toolchange(),
factor * m_extruder->retract_restart_extra_toolchange(),
"retract for toolchange"
);
}
std::string GCodeWriter::_retract(double length, double restart_extra, const std::string &comment)
{
/* If firmware retraction is enabled, we use a fake value of 1
since we ignore the actual configured retract_length which
might be 0, in which case the retraction logic gets skipped. */
if (this->config.use_firmware_retraction)
length = 1;
std::string gcode;
if (double dE = m_extruder->retract(length, restart_extra); !is_zero(dE)) {
if (this->config.use_firmware_retraction) {
gcode = FLAVOR_IS(gcfMachinekit) ? "G22 ; retract\n" : "G10 ; retract\n";
}
else {
// BBS
GCodeG1Formatter w;
w.emit_e(m_extruder->E());
w.emit_f(m_extruder->retract_speed() * 60.);
// BBS
w.emit_comment(GCodeWriter::full_gcode_comment, comment);
gcode = w.string();
}
}
if (FLAVOR_IS(gcfMakerWare))
gcode += "M103 ; extruder off\n";
return gcode;
}
std::string GCodeWriter::unretract()
{
std::string gcode;
if (FLAVOR_IS(gcfMakerWare))
gcode = "M101 ; extruder on\n";
if (double dE = m_extruder->unretract(); !is_zero(dE)) {
if (this->config.use_firmware_retraction) {
gcode += FLAVOR_IS(gcfMachinekit) ? "G23 ; unretract\n" : "G11 ; unretract\n";
gcode += this->reset_e();
}
else {
//BBS
// use G1 instead of G0 because G0 will blend the restart with the previous travel move
GCodeG1Formatter w;
w.emit_e(m_extruder->E());
w.emit_f(m_extruder->deretract_speed() * 60.);
//BBS
w.emit_comment(GCodeWriter::full_gcode_comment, " ; unretract");
gcode += w.string();
}
}
return gcode;
}
/* If this method is called more than once before calling unlift(),
it will not perform subsequent lifts, even if Z was raised manually
(i.e. with travel_to_z()) and thus _lifted was reduced. */
std::string GCodeWriter::lift(LiftType lift_type, bool spiral_vase)
{
// check whether the above/below conditions are met
double target_lift = 0;
{
double above = this->config.retract_lift_above.get_at(m_extruder->id());
double below = this->config.retract_lift_below.get_at(m_extruder->id());
if (m_pos(2) >= above && (below == 0 || m_pos(2) <= below))
target_lift = this->config.z_hop.get_at(m_extruder->id());
}
// BBS
if (m_lifted == 0 && m_to_lift == 0 && target_lift > 0) {
if (spiral_vase) {
m_lifted = target_lift;
return this->_travel_to_z(m_pos(2) + target_lift, "lift Z");
}
else {
m_to_lift = target_lift;
m_to_lift_type = lift_type;
}
}
return "";
}
std::string GCodeWriter::unlift()
{
std::string gcode;
if (m_lifted > 0) {
gcode += this->_travel_to_z(m_pos(2) - m_lifted, "restore layer Z");
m_lifted = 0;
}
m_to_lift = 0.;
return gcode;
}
std::string GCodeWriter::set_fan(const GCodeFlavor gcode_flavor, unsigned int speed)
{
std::ostringstream gcode;
if (speed == 0) {
switch (gcode_flavor) {
case gcfTeacup:
gcode << "M106 S0"; break;
case gcfMakerWare:
case gcfSailfish:
gcode << "M127"; break;
default:
gcode << "M106 S0"; break;
}
if (GCodeWriter::full_gcode_comment)
gcode << " ; disable fan";
gcode << "\n";
} else {
switch (gcode_flavor) {
case gcfMakerWare:
case gcfSailfish:
gcode << "M126"; break;
case gcfMach3:
case gcfMachinekit:
gcode << "M106 P" << static_cast<unsigned int>(255.5 * speed / 100.0); break;
default:
gcode << "M106 S" << static_cast<unsigned int>(255.5 * speed / 100.0); break;
}
if (GCodeWriter::full_gcode_comment)
gcode << " ; enable fan";
gcode << "\n";
}
return gcode.str();
}
std::string GCodeWriter::set_fan(unsigned int speed) const
{
//BBS
return GCodeWriter::set_fan(this->config.gcode_flavor, speed);
}
//BBS: set additional fan speed for BBS machine only
std::string GCodeWriter::set_additional_fan(unsigned int speed)
{
std::ostringstream gcode;
gcode << "M106 " << "P2 " << "S" << (int)(255.0 * speed / 100.0);
if (GCodeWriter::full_gcode_comment) {
if (speed == 0)
gcode << " ; disable additional fan ";
else
gcode << " ; enable additional fan ";
}
gcode << "\n";
return gcode.str();
}
std::string GCodeWriter::set_exhaust_fan( int speed,bool add_eol)
{
std::ostringstream gcode;
gcode << "M106" << " P3" << " S" << (int)(speed / 100.0 * 255);
if(add_eol)
gcode << "\n";
return gcode.str();
}
void GCodeWriter::add_object_start_labels(std::string& gcode)
{
if (!m_gcode_label_objects_start.empty()) {
gcode += m_gcode_label_objects_start;
m_gcode_label_objects_start = "";
}
}
void GCodeWriter::add_object_end_labels(std::string& gcode)
{
if (!m_gcode_label_objects_end.empty()) {
gcode += m_gcode_label_objects_end;
m_gcode_label_objects_end = "";
// Orca: reset E so that e value remain correct after skipping the object
// ref to: https://github.com/SoftFever/OrcaSlicer/pull/205/commits/7f1fe0bd544077626080aa1a9a0576aa735da1a4#r1083470162
if (!this->config.use_relative_e_distances)
gcode += reset_e(true);
}
}
void GCodeWriter::add_object_change_labels(std::string& gcode)
{
add_object_end_labels(gcode);
add_object_start_labels(gcode);
}
void GCodeFormatter::emit_axis(const char axis, const double v, size_t digits) {
assert(digits <= 9);
static constexpr const std::array<int, 10> pow_10{1, 10, 100, 1000, 10000, 100000, 1000000, 10000000, 100000000, 1000000000};
*ptr_err.ptr++ = ' '; *ptr_err.ptr++ = axis;
char *base_ptr = this->ptr_err.ptr;
auto v_int = int64_t(std::round(v * pow_10[digits]));
// Older stdlib on macOS doesn't support std::from_chars at all, so it is used boost::spirit::karma::generate instead of it.
// That is a little bit slower than std::to_chars but not much.
#ifdef __APPLE__
boost::spirit::karma::generate(this->ptr_err.ptr, boost::spirit::karma::int_generator<int64_t>(), v_int);
#else
// this->buf_end minus 1 because we need space for adding the extra decimal point.
this->ptr_err = std::to_chars(this->ptr_err.ptr, this->buf_end - 1, v_int);
#endif
size_t writen_digits = (this->ptr_err.ptr - base_ptr) - (v_int < 0 ? 1 : 0);
if (writen_digits < digits) {
// Number is smaller than 10^digits, so that we will pad it with zeros.
size_t remaining_digits = digits - writen_digits;
// Move all newly inserted chars by remaining_digits to allocate space for padding with zeros.
for (char *from_ptr = this->ptr_err.ptr - 1, *to_ptr = from_ptr + remaining_digits; from_ptr >= this->ptr_err.ptr - writen_digits; --to_ptr, --from_ptr)
*to_ptr = *from_ptr;
memset(this->ptr_err.ptr - writen_digits, '0', remaining_digits);
this->ptr_err.ptr += remaining_digits;
}
// Move all newly inserted chars by one to allocate space for a decimal point.
for (char *to_ptr = this->ptr_err.ptr, *from_ptr = to_ptr - 1; from_ptr >= this->ptr_err.ptr - digits; --to_ptr, --from_ptr)
*to_ptr = *from_ptr;
*(this->ptr_err.ptr - digits) = '.';
for (size_t i = 0; i < digits; ++i) {
if (*this->ptr_err.ptr != '0')
break;
this->ptr_err.ptr--;
}
if (*this->ptr_err.ptr == '.')
this->ptr_err.ptr--;
if ((this->ptr_err.ptr + 1) == base_ptr || *this->ptr_err.ptr == '-')
*(++this->ptr_err.ptr) = '0';
this->ptr_err.ptr++;
#if 0 // #ifndef NDEBUG
{
// Verify that the optimized formatter produces the same result as the standard sprintf().
double v1 = atof(std::string(base_ptr, this->ptr_err.ptr).c_str());
char buf[2048];
sprintf(buf, "%.*lf", int(digits), v);
double v2 = atof(buf);
// Numbers may differ when rounding at exactly or very close to 0.5 due to numerical issues when scaling the double to an integer.
// Thus the complex assert.
// assert(v1 == v2);
assert(std::abs(v1 - v) * pow_10[digits] < 0.50001);
assert(std::abs(v2 - v) * pow_10[digits] < 0.50001);
}
#endif // NDEBUG
}
} // namespace Slic3r
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