BambuSrc/libslic3r/GCode/GCodeEditor.cpp

621 lines
31 KiB
C++

#include "../GCode.hpp"
#include "GCodeEditor.hpp"
#include <boost/algorithm/string/predicate.hpp>
#include <boost/algorithm/string/replace.hpp>
#include <boost/log/trivial.hpp>
#include <iostream>
#include <float.h>
#if 0
#define DEBUG
#define _DEBUG
#undef NDEBUG
#endif
#include <assert.h>
namespace Slic3r {
GCodeEditor::GCodeEditor(GCode &gcodegen) : m_config(gcodegen.config()), m_toolchange_prefix(gcodegen.writer().toolchange_prefix()), m_current_extruder(0)
{
this->reset(gcodegen.writer().get_position());
const std::vector<Extruder> &extruders = gcodegen.writer().extruders();
m_extruder_ids.reserve(extruders.size());
for (const Extruder &ex : extruders) {
m_num_extruders = std::max(ex.id() + 1, m_num_extruders);
m_extruder_ids.emplace_back(ex.id());
}
}
void GCodeEditor::reset(const Vec3d &position)
{
// BBS: add I and J axis to store center of arc
m_current_pos.assign(7, 0.f);
m_current_pos[0] = float(position.x());
m_current_pos[1] = float(position.y());
m_current_pos[2] = float(position.z());
m_current_pos[4] = float(m_config.travel_speed.get_at(get_extruder_index(m_config, m_current_extruder)));
m_fan_speed = -1;
m_additional_fan_speed = -1;
m_current_fan_speed = -1;
}
static void record_wall_lines(bool &flag, int &line_idx, PerExtruderAdjustments *adjustment, const std::pair<int, int> &node_pos)
{
if (flag && line_idx < adjustment->lines.size()) {
CoolingLine &ptr = adjustment->lines[line_idx];
ptr.outwall_smooth_mark = true;
ptr.object_id = node_pos.first;
ptr.cooling_node_id = node_pos.second;
flag = false;
}
}
static void mark_node_pos(
bool &flag, int &line_idx, std::pair<int, int> &node_pos, const std::vector<int> &object_label, int cooling_node_id, int object_id, PerExtruderAdjustments *adjustment)
{
for (size_t object_idx = 0; object_idx < object_label.size(); ++object_idx) {
if (object_label[object_idx] == object_id) {
if (cooling_node_id == -1) break;
line_idx = adjustment->lines.size();
flag = true;
node_pos.first = object_idx;
node_pos.second = cooling_node_id;
break;
}
}
}
std::string GCodeEditor::process_layer(std::string && gcode,
const size_t layer_id,
std::vector<PerExtruderAdjustments> &per_extruder_adjustments,
const std::vector<int> & object_label,
const bool flush,
const bool spiral_vase)
{
// Cache the input G-code.
if (m_gcode.empty())
m_gcode = std::move(gcode);
else
m_gcode += gcode;
std::string out;
if (flush) {
// This is either an object layer or the very last print layer. Calculate cool down over the collected support layers
// and one object layer.
// record parse gcode info to per_extruder_adjustments
per_extruder_adjustments = this->parse_layer_gcode(m_gcode, m_current_pos, object_label, spiral_vase, layer_id > 0);
out = m_gcode;
m_gcode.clear();
}
return out;
}
//native-resource://sandbox_fs/webcontent/resource/assets/img/41ecc25c56.png
// Parse the layer G-code for the moves, which could be adjusted.
// Return the list of parsed lines, bucketed by an extruder.
std::vector<PerExtruderAdjustments> GCodeEditor::parse_layer_gcode(
const std::string &gcode,
std::vector<float> & current_pos,
const std::vector<int> & object_label,
bool spiral_vase,
bool join_z_smooth)
{
std::vector<PerExtruderAdjustments> per_extruder_adjustments(m_extruder_ids.size());
std::vector<size_t> map_extruder_to_per_extruder_adjustment(m_num_extruders, 0);
for (size_t i = 0; i < m_extruder_ids.size(); ++ i) {
PerExtruderAdjustments &adj = per_extruder_adjustments[i];
unsigned int extruder_id = m_extruder_ids[i];
adj.extruder_id = extruder_id;
adj.cooling_slow_down_enabled = m_config.slow_down_for_layer_cooling.get_at(extruder_id);
adj.slow_down_layer_time = float(m_config.slow_down_layer_time.get_at(extruder_id));
adj.slow_down_min_speed = float(m_config.slow_down_min_speed.get_at(extruder_id));
map_extruder_to_per_extruder_adjustment[extruder_id] = i;
}
unsigned int current_extruder = m_parse_gcode_extruder;
PerExtruderAdjustments *adjustment = &per_extruder_adjustments[map_extruder_to_per_extruder_adjustment[current_extruder]];
const char *line_start = gcode.c_str();
const char *line_end = line_start;
// Index of an existing CoolingLine of the current adjustment, which holds the feedrate setting command
// for a sequence of extrusion moves.
size_t active_speed_modifier = size_t(-1);
int object_id = -1;
int cooling_node_id = -1;
std::string object_id_string = "; OBJECT_ID: ";
std::string cooling_node_label = "; COOLING_NODE: ";
bool append_wall_ptr = false;
bool append_inner_wall_ptr = false;
bool not_join_cooling = false;
std::pair<int, int> node_pos;
int line_idx = -1;
for (; *line_start != 0; line_start = line_end)
{
while (*line_end != '\n' && *line_end != 0)
++ line_end;
// sline will not contain the trailing '\n'.
std::string sline(line_start, line_end);
// CoolingLine will contain the trailing '\n'.
if (*line_end == '\n')
++ line_end;
CoolingLine line(0, line_start - gcode.c_str(), line_end - gcode.c_str());
if (boost::starts_with(sline, "G0 "))
line.type = CoolingLine::TYPE_G0;
else if (boost::starts_with(sline, "G1 "))
line.type = CoolingLine::TYPE_G1;
else if (boost::starts_with(sline, "G92 "))
line.type = CoolingLine::TYPE_G92;
else if (boost::starts_with(sline, "G2 "))
line.type = CoolingLine::TYPE_G2;
else if (boost::starts_with(sline, "G3 "))
line.type = CoolingLine::TYPE_G3;
//BBS: parse object id & node id
else if (boost::starts_with(sline, object_id_string)) {
std::string sub = sline.substr(object_id_string.size());
object_id = std::stoi(sub);
} else if (boost::starts_with(sline, cooling_node_label)) {
std::string sub = sline.substr(cooling_node_label.size());
cooling_node_id = std::stoi(sub);
}
if (line.type) {
// G0, G1 or G92
// Parse the G-code line.
std::vector<float> new_pos(current_pos);
const char *c = sline.data() + 3;
for (;;) {
// Skip whitespaces.
for (; *c == ' ' || *c == '\t'; ++ c);
if (*c == 0 || *c == ';')
break;
assert(is_decimal_separator_point()); // for atof
//BBS: Parse the axis.
size_t axis = (*c >= 'X' && *c <= 'Z') ? (*c - 'X') :
(*c == 'E') ? 3 : (*c == 'F') ? 4 :
(*c == 'I') ? 5 : (*c == 'J') ? 6 : size_t(-1);
if (axis != size_t(-1)) {
new_pos[axis] = float(atof(++c));
if (axis == 4) {
// Convert mm/min to mm/sec.
new_pos[4] /= 60.f;
if ((line.type & CoolingLine::TYPE_G92) == 0)
// This is G0 or G1 line and it sets the feedrate. This mark is used for reducing the duplicate F calls.
line.type |= CoolingLine::TYPE_HAS_F;
} else if (axis == 5 || axis == 6) {
// BBS: get position of arc center
new_pos[axis] += current_pos[axis - 5];
}
}
// Skip this word.
for (; *c != ' ' && *c != '\t' && *c != 0; ++ c);
}
bool external_perimeter = boost::contains(sline, ";_EXTERNAL_PERIMETER");
bool wipe = boost::contains(sline, ";_WIPE");
record_wall_lines(append_inner_wall_ptr, line_idx, adjustment, node_pos);
if (wipe)
line.type |= CoolingLine::TYPE_WIPE;
if (boost::contains(sline, ";_EXTRUDE_SET_SPEED") && !wipe && !not_join_cooling) {
line.type |= CoolingLine::TYPE_ADJUSTABLE;
active_speed_modifier = adjustment->lines.size();
}
record_wall_lines(append_wall_ptr, line_idx, adjustment, node_pos);
if (external_perimeter) {
line.type |= CoolingLine::TYPE_EXTERNAL_PERIMETER;
if (line.type & CoolingLine::TYPE_ADJUSTABLE && join_z_smooth && !spiral_vase) {
// BBS: collect outwall info
mark_node_pos(append_wall_ptr, line_idx, node_pos, object_label, cooling_node_id, object_id, adjustment);
}
}
if ((line.type & CoolingLine::TYPE_G92) == 0) {
//BBS: G0, G1, G2, G3. Calculate the duration.
if (m_config.use_relative_e_distances.value)
// Reset extruder accumulator.
current_pos[3] = 0.f;
float dif[4];
for (size_t i = 0; i < 4; ++ i)
dif[i] = new_pos[i] - current_pos[i];
float dxy2 = 0;
//BBS: support to calculate length of arc
if (line.type & CoolingLine::TYPE_G2 || line.type & CoolingLine::TYPE_G3) {
Vec3f start(current_pos[0], current_pos[1], 0);
Vec3f end(new_pos[0], new_pos[1], 0);
Vec3f center(new_pos[5], new_pos[6], 0);
bool is_ccw = line.type & CoolingLine::TYPE_G3;
float dxy = ArcSegment::calc_arc_length(start, end, center, is_ccw);
dxy2 = dxy * dxy;
} else {
dxy2 = dif[0] * dif[0] + dif[1] * dif[1];
}
float dxyz2 = dxy2 + dif[2] * dif[2];
if (dxyz2 > 0.f) {
// Movement in xyz, calculate time from the xyz Euclidian distance.
line.length = sqrt(dxyz2);
} else if (std::abs(dif[3]) > 0.f) {
// Movement in the extruder axis.
line.length = std::abs(dif[3]);
}
line.feedrate = new_pos[4];
line.origin_feedrate = new_pos[4];
assert((line.type & CoolingLine::TYPE_ADJUSTABLE) == 0 || line.feedrate > 0.f);
if (line.length > 0)
line.time = line.length / line.feedrate;
if (line.feedrate == 0)
line.time = 0;
line.time_max = line.time;
if ((line.type & CoolingLine::TYPE_ADJUSTABLE) || active_speed_modifier != size_t(-1))
line.time_max = (adjustment->slow_down_min_speed == 0.f) ? FLT_MAX : std::max(line.time, line.length / adjustment->slow_down_min_speed);
line.origin_time_max = line.time_max;
// BBS: add G2 and G3 support
if (active_speed_modifier < adjustment->lines.size() && ((line.type & CoolingLine::TYPE_G1) ||
(line.type & CoolingLine::TYPE_G2) ||
(line.type & CoolingLine::TYPE_G3))) {
// Inside the ";_EXTRUDE_SET_SPEED" blocks, there must not be a G1 Fxx entry.
assert((line.type & CoolingLine::TYPE_HAS_F) == 0);
CoolingLine &sm = adjustment->lines[active_speed_modifier];
assert(sm.feedrate > 0.f);
sm.length += line.length;
sm.time += line.time;
if (sm.time_max != FLT_MAX) {
if (line.time_max == FLT_MAX)
sm.time_max = FLT_MAX;
else
sm.time_max += line.time_max;
sm.origin_time_max = sm.time_max;
}
// Don't store this line.
line.type = 0;
}
}
current_pos = std::move(new_pos);
} else if (boost::starts_with(sline, "; Slow Down Start")) {
not_join_cooling = true;
} else if (boost::starts_with(sline, "; Slow Down End")) {
not_join_cooling = false;
} else if (boost::starts_with(sline, ";_EXTRUDE_END")) {
line.type = CoolingLine::TYPE_EXTRUDE_END;
active_speed_modifier = size_t(-1);
} else if (boost::starts_with(sline, m_toolchange_prefix)) {
unsigned int new_extruder = (unsigned int)atoi(sline.c_str() + m_toolchange_prefix.size());
// Only change extruder in case the number is meaningful. User could provide an out-of-range index through custom gcodes - those shall be ignored.
if (new_extruder < map_extruder_to_per_extruder_adjustment.size()) {
if (new_extruder != current_extruder) {
// Switch the tool.
line.type = CoolingLine::TYPE_SET_TOOL;
current_extruder = new_extruder;
adjustment = &per_extruder_adjustments[map_extruder_to_per_extruder_adjustment[current_extruder]];
}
}
else {
// Only log the error in case of MM printer. Single extruder printers likely ignore any T anyway.
if (map_extruder_to_per_extruder_adjustment.size() > 1)
BOOST_LOG_TRIVIAL(error) << "CoolingBuffer encountered an invalid toolchange, maybe from a custom gcode: " << sline;
}
} else if (boost::starts_with(sline, ";_OVERHANG_FAN_START")) {
line.type = CoolingLine::TYPE_OVERHANG_FAN_START;
} else if (boost::starts_with(sline, ";_OVERHANG_FAN_END")) {
line.type = CoolingLine::TYPE_OVERHANG_FAN_END;
} else if (boost::starts_with(sline, "G4 ")) {
// Parse the wait time.
line.type = CoolingLine::TYPE_G4;
size_t pos_S = sline.find('S', 3);
size_t pos_P = sline.find('P', 3);
assert(is_decimal_separator_point()); // for atof
line.time = line.time_max = float(
(pos_S > 0) ? atof(sline.c_str() + pos_S + 1) :
(pos_P > 0) ? atof(sline.c_str() + pos_P + 1) * 0.001 : 0.);
line.origin_time_max = line.time_max;
} else if (boost::starts_with(sline, ";_FORCE_RESUME_FAN_SPEED")) {
line.type = CoolingLine::TYPE_FORCE_RESUME_FAN;
} else if (boost::starts_with(sline, ";_SET_FAN_SPEED_CHANGING_LAYER")) {
line.type = CoolingLine::TYPE_SET_FAN_CHANGING_LAYER;
} else if (boost::starts_with(sline, "M624")) {
line.type = CoolingLine::TYPE_OBJECT_START;
} else if (boost::starts_with(sline, "M625")) {
line.type = CoolingLine::TYPE_OBJECT_END;
}
if (line.type != 0)
adjustment->lines.emplace_back(std::move(line));
}
m_parse_gcode_extruder = current_extruder;
return per_extruder_adjustments;
}
// Apply slow down over G-code lines stored in per_extruder_adjustments, enable fan if needed.
// Returns the adjusted G-code.
std::string GCodeEditor::write_layer_gcode(
// Source G-code for the current layer.
const std::string &gcode,
// ID of the current layer, used to disable fan for the first n layers.
size_t layer_id,
// Total time of this layer after slow down, used to control the fan.
float layer_time,
// Per extruder list of G-code lines and their cool down attributes.
std::vector<PerExtruderAdjustments> &per_extruder_adjustments)
{
if (gcode.empty())
return gcode;
// First sort the adjustment lines by of multiple extruders by their position in the source G-code.
std::vector<const CoolingLine*> lines;
{
size_t n_lines = 0;
for (const PerExtruderAdjustments &adj : per_extruder_adjustments)
n_lines += adj.lines.size();
lines.reserve(n_lines);
for (const PerExtruderAdjustments &adj : per_extruder_adjustments)
for (const CoolingLine &line : adj.lines)
lines.emplace_back(&line);
std::sort(lines.begin(), lines.end(), [](const CoolingLine *ln1, const CoolingLine *ln2) { return ln1->line_start < ln2->line_start; } );
}
// Second generate the adjusted G-code.
std::string new_gcode;
new_gcode.reserve(gcode.size() * 2);
bool overhang_fan_control= false;
int overhang_fan_speed = 0;
float pre_start_overhang_fan_time = 0.f;
enum class SetFanType {
sfChangingLayer = 0,
sfChangingFilament,
sfImmediatelyApply
};
auto change_extruder_set_fan = [this, layer_id, layer_time, &new_gcode, &overhang_fan_control, &overhang_fan_speed, &pre_start_overhang_fan_time](SetFanType type) {
#define EXTRUDER_CONFIG(OPT) m_config.OPT.get_at(m_current_extruder)
int fan_min_speed = EXTRUDER_CONFIG(fan_min_speed);
int fan_speed_new = EXTRUDER_CONFIG(reduce_fan_stop_start_freq) ? fan_min_speed : 0;
//BBS
int additional_fan_speed_new = EXTRUDER_CONFIG(additional_cooling_fan_speed);
int close_fan_the_first_x_layers = EXTRUDER_CONFIG(close_fan_the_first_x_layers);
// Is the fan speed ramp enabled?
int full_fan_speed_layer = EXTRUDER_CONFIG(full_fan_speed_layer);
if (close_fan_the_first_x_layers <= 0 && full_fan_speed_layer > 0) {
// When ramping up fan speed from close_fan_the_first_x_layers to full_fan_speed_layer, force close_fan_the_first_x_layers above zero,
// so there will be a zero fan speed at least at the 1st layer.
close_fan_the_first_x_layers = 1;
}
if (int(layer_id) >= close_fan_the_first_x_layers) {
int fan_max_speed = EXTRUDER_CONFIG(fan_max_speed);
float slow_down_layer_time = float(EXTRUDER_CONFIG(slow_down_layer_time));
float fan_cooling_layer_time = float(EXTRUDER_CONFIG(fan_cooling_layer_time));
//BBS: always enable the fan speed interpolation according to layer time
//if (EXTRUDER_CONFIG(cooling)) {
if (layer_time < slow_down_layer_time) {
// Layer time very short. Enable the fan to a full throttle.
fan_speed_new = fan_max_speed;
} else if (layer_time < fan_cooling_layer_time) {
// Layer time quite short. Enable the fan proportionally according to the current layer time.
assert(layer_time >= slow_down_layer_time);
double t = (layer_time - slow_down_layer_time) / (fan_cooling_layer_time - slow_down_layer_time);
fan_speed_new = int(floor(t * fan_min_speed + (1. - t) * fan_max_speed) + 0.5);
}
//}
overhang_fan_speed = EXTRUDER_CONFIG(overhang_fan_speed);
if (int(layer_id) >= close_fan_the_first_x_layers && int(layer_id) + 1 < full_fan_speed_layer) {
// Ramp up the fan speed from close_fan_the_first_x_layers to full_fan_speed_layer.
float factor = float(int(layer_id + 1) - close_fan_the_first_x_layers) / float(full_fan_speed_layer - close_fan_the_first_x_layers);
fan_speed_new = std::clamp(int(float(fan_speed_new) * factor + 0.5f), 0, 255);
overhang_fan_speed = std::clamp(int(float(overhang_fan_speed) * factor + 0.5f), 0, 255);
}
#undef EXTRUDER_CONFIG
overhang_fan_control= overhang_fan_speed > fan_speed_new;
} else {
overhang_fan_control= false;
overhang_fan_speed = 0;
fan_speed_new = 0;
additional_fan_speed_new = 0;
}
if (fan_speed_new != m_fan_speed) {
m_fan_speed = fan_speed_new;
//BBS
m_current_fan_speed = fan_speed_new;
if (type == SetFanType::sfImmediatelyApply)
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, m_fan_speed);
else if (type == SetFanType::sfChangingLayer)
this->m_set_fan_changing_layer = true;
//BBS: don't need to handle change filament, because we are always force to resume fan speed when filament change is finished
}
//BBS
if (additional_fan_speed_new != m_additional_fan_speed) {
m_additional_fan_speed = additional_fan_speed_new;
if (type == SetFanType::sfImmediatelyApply)
new_gcode += GCodeWriter::set_additional_fan(m_additional_fan_speed);
else if (type == SetFanType::sfChangingLayer)
this->m_set_addition_fan_changing_layer = true;
//BBS: don't need to handle change filament, because we are always force to resume fan speed when filament change is finished
}
//BBS: set fan pre start time value
pre_start_overhang_fan_time = overhang_fan_control ? m_config.pre_start_fan_time.get_at(m_current_extruder) : 0.f;
};
const char *pos = gcode.c_str();
int current_feedrate = 0;
//BBS
m_set_fan_changing_layer = false;
m_set_addition_fan_changing_layer = false;
change_extruder_set_fan(SetFanType::sfChangingLayer);
//BBS: start the fan earlier for overhangs
float cumulative_time = 0.f;
float search_time = 0.f;
for (int i = 0,j = 0; i < lines.size(); i++) {
const CoolingLine *line = lines[i];
if (pre_start_overhang_fan_time > 0.f && overhang_fan_speed > m_fan_speed) {
cumulative_time += line->time;
j = j<i ? i : j;
search_time = search_time<cumulative_time ? cumulative_time : search_time;
// bbs: search for the next overhang line in xx seconds
for (; search_time - cumulative_time < pre_start_overhang_fan_time && j < lines.size() && overhang_fan_control && m_current_fan_speed < overhang_fan_speed; j++) {
const CoolingLine *line_iter = lines[j];
//do not change fan speed for changing filament gcode
if (line_iter->type & CoolingLine::TYPE_FORCE_RESUME_FAN) {
//stop search when find a force resume fan command
break;
}
search_time += line_iter->time;
if (line_iter->type & CoolingLine::TYPE_OVERHANG_FAN_START) {
m_current_fan_speed = overhang_fan_speed;
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, overhang_fan_speed);
break;
}
}
}
const char *line_start = gcode.c_str() + line->line_start;
const char *line_end = gcode.c_str() + line->line_end;
if (line_start > pos)
new_gcode.append(pos, line_start - pos);
if (line->type & CoolingLine::TYPE_SET_TOOL) {
unsigned int new_extruder = (unsigned int)atoi(line_start + m_toolchange_prefix.size());
if (new_extruder != m_current_extruder) {
m_current_extruder = new_extruder;
change_extruder_set_fan(SetFanType::sfChangingFilament); //BBS: will force to resume fan speed when filament change is finished
cumulative_time = 0.f;
search_time = 0.f;
}
new_gcode.append(line_start, line_end - line_start);
} else if (line->type & CoolingLine::TYPE_OVERHANG_FAN_START) {
if (overhang_fan_control && m_current_fan_speed < overhang_fan_speed) {
//BBS
m_current_fan_speed = overhang_fan_speed;
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, overhang_fan_speed);
}
} else if (line->type & CoolingLine::TYPE_OVERHANG_FAN_END) {
if (overhang_fan_control) {
//BBS
m_current_fan_speed = m_fan_speed;
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, m_fan_speed);
}
} else if (line->type & CoolingLine::TYPE_FORCE_RESUME_FAN) {
//BBS: force to write a fan speed command again
if (m_current_fan_speed != -1)
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, m_current_fan_speed);
if (m_additional_fan_speed != -1)
new_gcode += GCodeWriter::set_additional_fan(m_additional_fan_speed);
} else if (line->type & CoolingLine::TYPE_SET_FAN_CHANGING_LAYER) {
//BBS: check whether fan speed need to changed when change layer
if (m_current_fan_speed != -1 && m_set_fan_changing_layer) {
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, m_current_fan_speed);
m_set_fan_changing_layer = false;
}
if (m_additional_fan_speed != -1 && m_set_addition_fan_changing_layer) {
new_gcode += GCodeWriter::set_additional_fan(m_additional_fan_speed);
m_set_addition_fan_changing_layer = false;
}
}
else if (line->type & CoolingLine::TYPE_EXTRUDE_END) {
// Just remove this comment.
} else if (line->type & (CoolingLine::TYPE_ADJUSTABLE | CoolingLine::TYPE_EXTERNAL_PERIMETER | CoolingLine::TYPE_WIPE | CoolingLine::TYPE_HAS_F)) {
// Find the start of a comment, or roll to the end of line.
const char *end = line_start;
for (; end < line_end && *end != ';'; ++ end);
// Find the 'F' word.
const char *fpos = strstr(line_start + 2, " F") + 2;
int new_feedrate = current_feedrate;
// Modify the F word of the current G-code line.
bool modify = false;
// Remove the F word from the current G-code line.
bool remove = false;
assert(fpos != nullptr);
new_feedrate = line->slowdown ? int(floor(60. * line->feedrate + 0.5)) : atoi(fpos);
if (new_feedrate == current_feedrate) {
// No need to change the F value.
if ((line->type & (CoolingLine::TYPE_ADJUSTABLE | CoolingLine::TYPE_EXTERNAL_PERIMETER | CoolingLine::TYPE_WIPE)) || line->length == 0.)
// Feedrate does not change and this line does not move the print head. Skip the complete G-code line including the G-code comment.
end = line_end;
else
// Remove the feedrate from the G0/G1 line. The G-code line may become empty!
remove = true;
} else if (line->slowdown) {
// The F value will be overwritten.
modify = true;
} else {
// The F value is different from current_feedrate, but not slowed down, thus the G-code line will not be modified.
// Emit the line without the comment.
new_gcode.append(line_start, end - line_start);
current_feedrate = new_feedrate;
}
if (modify || remove) {
if (modify) {
// Replace the feedrate.
new_gcode.append(line_start, fpos - line_start);
current_feedrate = new_feedrate;
char buf[64];
sprintf(buf, "%d", int(current_feedrate));
new_gcode += buf;
} else {
// Remove the feedrate word.
const char *f = fpos;
// Roll the pointer before the 'F' word.
for (f -= 2; f > line_start && (*f == ' ' || *f == '\t'); -- f);
if ((f - line_start == 1) && *line_start == 'G' && (*f == '1' || *f == '0')) {
// BBS: only remain "G1" or "G0" of this line after remove 'F' part, don't save
} else {
// Append up to the F word, without the trailing whitespace.
new_gcode.append(line_start, f - line_start + 1);
}
}
// Skip the non-whitespaces of the F parameter up the comment or end of line.
for (; fpos != end && *fpos != ' ' && *fpos != ';' && *fpos != '\n'; ++ fpos);
// Append the rest of the line without the comment.
if (fpos < end)
// The G-code line is not empty yet. Emit the rest of it.
new_gcode.append(fpos, end - fpos);
else if (remove && new_gcode == "G1") {
// The G-code line only contained the F word, now it is empty. Remove it completely including the comments.
new_gcode.resize(new_gcode.size() - 2);
end = line_end;
}
}
// Process the rest of the line.
if (end < line_end) {
if (line->type & (CoolingLine::TYPE_ADJUSTABLE | CoolingLine::TYPE_EXTERNAL_PERIMETER | CoolingLine::TYPE_WIPE)) {
// Process comments, remove ";_EXTRUDE_SET_SPEED", ";_EXTERNAL_PERIMETER", ";_WIPE"
std::string comment(end, line_end);
boost::replace_all(comment, ";_EXTRUDE_SET_SPEED", "");
if (line->type & CoolingLine::TYPE_EXTERNAL_PERIMETER)
boost::replace_all(comment, ";_EXTERNAL_PERIMETER", "");
if (line->type & CoolingLine::TYPE_WIPE)
boost::replace_all(comment, ";_WIPE", "");
new_gcode += comment;
} else {
// Just attach the rest of the source line.
new_gcode.append(end, line_end - end);
}
}
} else if (line->type & CoolingLine::TYPE_OBJECT_START) {
new_gcode.append(line_start, line_end - line_start);
if (pre_start_overhang_fan_time > 0.f && m_current_fan_speed > m_fan_speed)
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, m_current_fan_speed);
} else if (line->type & CoolingLine::TYPE_OBJECT_END) {
if (pre_start_overhang_fan_time > 0.f && m_current_fan_speed > m_fan_speed)
new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, m_fan_speed);
new_gcode.append(line_start, line_end - line_start);
}else {
new_gcode.append(line_start, line_end - line_start);
}
pos = line_end;
}
const char *gcode_end = gcode.c_str() + gcode.size();
if (pos < gcode_end)
new_gcode.append(pos, gcode_end - pos);
return new_gcode;
}
} // namespace Slic3r