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Wipe tower: fixed missing travels to wipe tower on layers with no toolchanges

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This commit is contained in:
Lukas Matena 2023-01-21 15:11:20 +01:00
parent 71cedd2eea
commit ae15032e0f
2 changed files with 13 additions and 39 deletions
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47
src/libslic3r/GCode.cpp
View File

@ -230,9 +230,16 @@ namespace Slic3r {
std::string tcr_rotated_gcode = post_process_wipe_tower_moves(tcr, wipe_tower_offset, wipe_tower_rotation);
if (gcodegen.config().single_extruder_multi_material && ! tcr.priming) {
double current_z = gcodegen.writer().get_position().z();
if (z == -1.) // in case no specific z was provided, print at current_z pos
z = current_z;
const bool needs_toolchange = gcodegen.writer().need_toolchange(new_extruder_id);
const bool will_go_down = ! is_approx(z, current_z);
if (! needs_toolchange || (gcodegen.config().single_extruder_multi_material && ! tcr.priming)) {
// Move over the wipe tower. If this is not single-extruder MM, the first wipe tower move following the
// toolchange will travel there anyway.
// toolchange will travel there anyway (if there is a toolchange).
gcode += gcodegen.retract();
gcodegen.m_avoid_crossing_perimeters.use_external_mp_once();
gcode += gcodegen.travel_to(
@ -242,46 +249,15 @@ namespace Slic3r {
gcode += gcodegen.unretract();
}
double current_z = gcodegen.writer().get_position().z();
if (z == -1.) // in case no specific z was provided, print at current_z pos
z = current_z;
if (! is_approx(z, current_z)) {
if (will_go_down) {
gcode += gcodegen.writer().retract();
gcode += gcodegen.writer().travel_to_z(z, "Travel down to the last wipe tower layer.");
gcode += gcodegen.writer().unretract();
}
// Process the custom toolchange_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;
const std::string& toolchange_gcode = gcodegen.config().toolchange_gcode.value;
if (! toolchange_gcode.empty()) {
DynamicConfig config;
int previous_extruder_id = gcodegen.writer().extruder() ? (int)gcodegen.writer().extruder()->id() : -1;
config.set_key_value("previous_extruder", new ConfigOptionInt(previous_extruder_id));
config.set_key_value("next_extruder", new ConfigOptionInt((int)new_extruder_id));
config.set_key_value("layer_num", new ConfigOptionInt(gcodegen.m_layer_index));
config.set_key_value("layer_z", new ConfigOptionFloat(tcr.print_z));
config.set_key_value("toolchange_z", new ConfigOptionFloat(z));
config.set_key_value("max_layer_z", new ConfigOptionFloat(gcodegen.m_max_layer_z));
toolchange_gcode_str = gcodegen.placeholder_parser_process("toolchange_gcode", toolchange_gcode, new_extruder_id, &config);
check_add_eol(toolchange_gcode_str);
}
std::string toolchange_command;
if (tcr.priming || (new_extruder_id >= 0 && gcodegen.writer().need_toolchange(new_extruder_id)))
toolchange_command = gcodegen.writer().toolchange(new_extruder_id);
if (!custom_gcode_changes_tool(toolchange_gcode_str, gcodegen.writer().toolchange_prefix(), new_extruder_id))
toolchange_gcode_str += toolchange_command;
else {
// We have informed the m_writer about the current extruder_id, we can ignore the generated G-code.
}*/
std::string toolchange_gcode_str;
std::string deretraction_str;
if (tcr.priming || (new_extruder_id >= 0 && gcodegen.writer().need_toolchange(new_extruder_id))) {
if (tcr.priming || (new_extruder_id >= 0 && needs_toolchange)) {
if (gcodegen.config().single_extruder_multi_material)
gcodegen.m_wipe.reset_path(); // We don't want wiping on the ramming lines.
toolchange_gcode_str = gcodegen.set_extruder(new_extruder_id, tcr.print_z); // TODO: toolchange_z vs print_z
@ -302,7 +278,6 @@ namespace Slic3r {
gcode += tcr_gcode;
check_add_eol(toolchange_gcode_str);
// A phony move to the end position at the wipe tower.
gcodegen.writer().travel_to_xy(end_pos.cast<double>());
gcodegen.set_last_pos(wipe_tower_point_to_object_point(gcodegen, end_pos));

3
src/libslic3r/GCode/WipeTower.cpp
View File

@ -822,9 +822,8 @@ void WipeTower::toolchange_Unload(
writer.travel(ramming_start_pos); // move to starting position
else
writer.set_position(ramming_start_pos);
// if the ending point of the ram would end up in mid air, align it with the end of the wipe tower:
if (m_layer_info > m_plan.begin() && m_layer_info < m_plan.end() && (m_layer_info-1!=m_plan.begin() || !m_adhesion )) {
if (m_semm && (m_layer_info > m_plan.begin() && m_layer_info < m_plan.end() && (m_layer_info-1!=m_plan.begin() || !m_adhesion ))) {
// this is y of the center of previous sparse infill border
float sparse_beginning_y = 0.f;