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FIX: use wrong retraction params in tool change

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1. Set shared retract length size to 2. Filaments in one extruder
shares the param
2. Move toolchange function before unretract function in append_tcr
to get the correct logic

jira:NONE

Signed-off-by: xun.zhang <xun.zhang@bambulab.com>
Change-Id: I215a542ce36107071fad39f1f9e30234fb19a3a0
(cherry picked from commit c4ef6e9e0950c58a8c5f612662145c6a256884ad)
This commit is contained in:
xun.zhang 2024-12-05 12:19:44 +08:00 • committed by Noisyfox
parent 27e30373c8
commit 312371f84c
3 changed files with 51 additions and 50 deletions
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67
src/libslic3r/GCode.cpp
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@ -575,38 +575,41 @@ static std::vector<Vec2d> get_path_of_change_filament(const Print& print)
//BBS: increase toolchange count
gcodegen.m_toolchange_count++;
std::string toolchange_gcode_str;
// BBS: should be placed before toolchange parsing
std::string toolchange_retract_str = gcodegen.retract(true, false);
check_add_eol(toolchange_retract_str);
// Process the custom change_filament_gcode. If it is empty, provide a simple Tn command to change the filament.
// Otherwise, leave control to the user completely.
std::string toolchange_gcode_str;
std::string change_filament_gcode = gcodegen.config().change_filament_gcode.value;
// add nozzle change gcode into change filament gcode
{
std::string nozzle_change_gcode_trans;
if (!tcr.nozzle_change_result.gcode.empty()) {
// move to start_pos before nozzle change
std::string start_pos_str;
start_pos_str = gcodegen.travel_to(wipe_tower_point_to_object_point(gcodegen, transform_wt_pt(tcr.nozzle_change_result.start_pos) + plate_origin_2d), erMixed,
"Move to nozzle change start pos");
check_add_eol(start_pos_str);
nozzle_change_gcode_trans += start_pos_str;
nozzle_change_gcode_trans += gcodegen.unretract();
nozzle_change_gcode_trans += transform_gcode(tcr.nozzle_change_result.gcode, tcr.nozzle_change_result.start_pos, wipe_tower_offset, wipe_tower_rotation);
gcodegen.set_last_pos(wipe_tower_point_to_object_point(gcodegen, transform_wt_pt(tcr.nozzle_change_result.end_pos) + plate_origin_2d));
gcodegen.m_wipe.reset_path();
for (const Vec2f& wipe_pt : tcr.nozzle_change_result.wipe_path)
gcodegen.m_wipe.path.points.emplace_back(wipe_tower_point_to_object_point(gcodegen, transform_wt_pt(wipe_pt) + plate_origin_2d));
nozzle_change_gcode_trans += gcodegen.retract(true, false);
}
std::string nozzle_change_gcode_trans;
if (!tcr.nozzle_change_result.gcode.empty()) {
// move to start_pos before nozzle change
std::string start_pos_str;
start_pos_str = gcodegen.travel_to(wipe_tower_point_to_object_point(gcodegen, transform_wt_pt(tcr.nozzle_change_result.start_pos) + plate_origin_2d), erMixed,
"Move to nozzle change start pos");
check_add_eol(start_pos_str);
nozzle_change_gcode_trans += start_pos_str;
nozzle_change_gcode_trans += gcodegen.unretract();
nozzle_change_gcode_trans += transform_gcode(tcr.nozzle_change_result.gcode, tcr.nozzle_change_result.start_pos, wipe_tower_offset, wipe_tower_rotation);
gcodegen.set_last_pos(wipe_tower_point_to_object_point(gcodegen, transform_wt_pt(tcr.nozzle_change_result.end_pos) + plate_origin_2d));
gcodegen.m_wipe.reset_path();
for (const Vec2f &wipe_pt : tcr.nozzle_change_result.wipe_path)
gcodegen.m_wipe.path.points.emplace_back(wipe_tower_point_to_object_point(gcodegen, transform_wt_pt(wipe_pt) + plate_origin_2d));
nozzle_change_gcode_trans += gcodegen.retract(true, false);
std::string prefix_gcode = lift_gcode_after_printing_object;
if (gcodegen.config().nozzle_diameter.size() > 1) {
prefix_gcode += nozzle_change_gcode_trans;
}
change_filament_gcode = prefix_gcode + change_filament_gcode;
}
std::string prefix_gcode = lift_gcode_after_printing_object;
if (gcodegen.config().nozzle_diameter.size() > 1) {
prefix_gcode += nozzle_change_gcode_trans;
}
change_filament_gcode = prefix_gcode + change_filament_gcode;
if (! change_filament_gcode.empty()) {
DynamicConfig config;
int old_filament_id = gcodegen.writer().filament() ? (int)gcodegen.writer().filament()->id() : -1;
@ -691,11 +694,9 @@ static std::vector<Vec2d> get_path_of_change_filament(const Print& print)
check_add_eol(toolchange_gcode_str);
// retract before toolchange
toolchange_gcode_str = toolchange_retract_str + toolchange_gcode_str;
// BBS
//BBS
{
// BBS: current position and fan_speed is unclear after interting change_filament_gcode
//BBS: current position and fan_speed is unclear after interting change_filament_gcode
check_add_eol(toolchange_gcode_str);
toolchange_gcode_str += ";_FORCE_RESUME_FAN_SPEED\n";
gcodegen.writer().set_current_position_clear(false);
@ -709,15 +710,9 @@ static std::vector<Vec2d> get_path_of_change_filament(const Print& print)
}
// move to start_pos for wiping after toolchange
std::string start_pos_str;
start_pos_str = gcodegen.travel_to(wipe_tower_point_to_object_point(gcodegen, start_pos + plate_origin_2d), erMixed,
"Move to start pos");
std::string start_pos_str = gcodegen.travel_to(wipe_tower_point_to_object_point(gcodegen, start_pos + plate_origin_2d), erMixed, "Move to start pos");
check_add_eol(start_pos_str);
toolchange_gcode_str += start_pos_str;
// unretract before wiping
toolchange_gcode_str += gcodegen.unretract();
check_add_eol(toolchange_gcode_str);
}
std::string toolchange_command;
@ -729,6 +724,12 @@ static std::vector<Vec2d> get_path_of_change_filament(const Print& print)
// We have informed the m_writer about the current extruder_id, we can ignore the generated G-code.
}
// do unretract after setting current extruder_id
std::string toolchange_unretract_str = gcodegen.unretract();
check_add_eol(toolchange_unretract_str);
toolchange_gcode_str = toolchange_retract_str + toolchange_gcode_str + toolchange_unretract_str;
gcodegen.placeholder_parser().set("current_extruder", new_filament_id);
gcodegen.placeholder_parser().set("retraction_distance_when_cut", gcodegen.m_config.retraction_distances_when_cut.get_at(new_filament_id));
gcodegen.placeholder_parser().set("long_retraction_when_cut", gcodegen.m_config.long_retractions_when_cut.get_at(new_filament_id));