mirror of
				https://github.com/SoftFever/OrcaSlicer.git
				synced 2025-11-02 20:51:23 -07:00 
			
		
		
		
	Fix of https://github.com/alexrj/Slic3r/issues/4043 , thanks to @lordofhyphens.
Further refactoring of the cooling logic to collect per extruder data.
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					 9 changed files with 123 additions and 132 deletions
				
			
		
							
								
								
									
										37
									
								
								t/cooling.t
									
										
									
									
									
								
							
							
						
						
									
										37
									
								
								t/cooling.t
									
										
									
									
									
								
							| 
						 | 
				
			
			@ -32,20 +32,19 @@ $config->set('disable_fan_first_layers', [ 0 ]);
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{
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    my $buffer = buffer($config);
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    $buffer->gcodegen->set_elapsed_time($buffer->gcodegen->config->slowdown_below_layer_time->[0] + 1);
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    my $gcode = $buffer->append('G1 F3000;_EXTRUDE_SET_SPEED\nG1 X100 E1', 0, 0, 0) . $buffer->flush;
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    my $gcode = $buffer->process_layer('G1 F3000;_EXTRUDE_SET_SPEED\nG1 X100 E1', 0);
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    like $gcode, qr/F3000/, 'speed is not altered when elapsed time is greater than slowdown threshold';
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}
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{
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    my $buffer = buffer($config);
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    $buffer->gcodegen->set_elapsed_time($buffer->gcodegen->config->slowdown_below_layer_time->[0] - 1);
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    my $gcode = $buffer->append(
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    my $gcode = $buffer->process_layer(
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        "G1 X50 F2500\n" .
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        "G1 F3000;_EXTRUDE_SET_SPEED\n" .
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        "G1 X100 E1\n" .
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        "G1 E4 F400",
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        0, 0, 0
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    ) . $buffer->flush;
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        0);
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    unlike $gcode, qr/F3000/, 'speed is altered when elapsed time is lower than slowdown threshold';
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    like $gcode, qr/F2500/, 'speed is not altered for travel moves';
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    like $gcode, qr/F400/, 'speed is not altered for extruder-only moves';
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| 
						 | 
				
			
			@ -54,7 +53,7 @@ $config->set('disable_fan_first_layers', [ 0 ]);
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{
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    my $buffer = buffer($config);
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    $buffer->gcodegen->set_elapsed_time($buffer->gcodegen->config->fan_below_layer_time->[0] + 1);
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    my $gcode = $buffer->append('G1 X100 E1 F3000', 0, 0, 0) . $buffer->flush;
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    my $gcode = $buffer->process_layer('G1 X100 E1 F3000', 0);
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    unlike $gcode, qr/M106/, 'fan is not activated when elapsed time is greater than fan threshold';
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}
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						 | 
				
			
			@ -62,25 +61,26 @@ $config->set('disable_fan_first_layers', [ 0 ]);
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    my $buffer = buffer($config);
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    my $gcode = "";
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    for my $obj_id (0 .. 1) {
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        # use an elapsed time which is < the slowdown threshold but greater than it when summed twice
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        $buffer->gcodegen->set_elapsed_time($buffer->gcodegen->config->slowdown_below_layer_time->[0] - 1);
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        $gcode .= $buffer->append("G1 X100 E1 F3000\n", $obj_id, 0, 0);
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        $gcode .= "G1 X100 E1 F3000\n";
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    }
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    $gcode .= $buffer->flush;
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    like $gcode, qr/F3000/, 'slowdown is computed on all objects printing at same Z';
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    # use an elapsed time which is < the slowdown threshold but greater than it when summed twice
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    $buffer->gcodegen->set_elapsed_time(2 * ($buffer->gcodegen->config->slowdown_below_layer_time->[0] - 1));
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    $gcode .= $buffer->process_layer($gcode, 0);
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    like $gcode, qr/F3000/, 'slowdown is computed on all objects printing at the same Z';
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}
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{
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    my $buffer = buffer($config);
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    my $gcode = "";
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    for my $layer_id (0 .. 1) {
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        my $layer_gcode = "";
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        for my $obj_id (0 .. 1) {
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            # use an elapsed time which is < the threshold but greater than it when summed twice
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            $buffer->gcodegen->set_elapsed_time($buffer->gcodegen->config->fan_below_layer_time->[0] - 1);
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            $gcode .= $buffer->append("G1 X100 E1 F3000\n", $obj_id, $layer_id, 0);
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            $layer_gcode .= "G1 X100 E1 F3000\n";
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        }
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        # use an elapsed time which is < the threshold but greater than it when summed twice
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        $buffer->gcodegen->set_elapsed_time(2 * ($buffer->gcodegen->config->fan_below_layer_time->[0] - 1));
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        $gcode .= $buffer->process_layer($layer_gcode, $layer_id);
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    }
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    $gcode .= $buffer->flush;
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    unlike $gcode, qr/M106/, 'fan activation is computed on all objects printing at different Z';
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}
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						 | 
				
			
			@ -88,13 +88,14 @@ $config->set('disable_fan_first_layers', [ 0 ]);
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    my $buffer = buffer($config);
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    my $gcode = "";
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    for my $layer_id (0 .. 1) {
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        my $layer_gcode = "";
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        for my $obj_id (0 .. 1) {
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            # use an elapsed time which is < the threshold even when summed twice
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            $buffer->gcodegen->set_elapsed_time($buffer->gcodegen->config->fan_below_layer_time->[0]/2 - 1);
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            $gcode .= $buffer->append("G1 X100 E1 F3000\n", $obj_id, $layer_id, 0);
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            $layer_gcode .= "G1 X100 E1 F3000\n";
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        }
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        # use an elapsed time which is < the threshold even when summed twice
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        $buffer->gcodegen->set_elapsed_time(2 * ($buffer->gcodegen->config->fan_below_layer_time->[0]/2 - 1));
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        $gcode .= $buffer->process_layer($layer_gcode, $layer_id);
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    }
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    $gcode .= $buffer->flush;
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    like $gcode, qr/M106/, 'fan activation is computed on all objects printing at different Z';
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}
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			@ -165,13 +165,13 @@ std::string WipeTowerIntegration::append_tcr(GCode &gcodegen, const WipeTower::T
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    // Let the tool change be executed by the wipe tower class.
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    // Inform the G-code writer about the changes done behind its back.
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    gcode += tcr.gcode;
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    // Accumulate the elapsed time for the correct calculation of layer cooling.
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    //FIXME currently disabled as Slic3r PE needs to be updated to differentiate the moves it could slow down
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    // from the moves it could not.
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    gcodegen.m_elapsed_time.other += tcr.elapsed_time;
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    // Let the m_writer know the current extruder_id, but ignore the generated G-code.
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	if (new_extruder_id >= 0 && gcodegen.writer().need_toolchange(new_extruder_id))
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        gcodegen.writer().toolchange(new_extruder_id);
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    // Accumulate the elapsed time for the correct calculation of layer cooling.
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    //FIXME currently disabled as Slic3r PE needs to be updated to differentiate the moves it could slow down
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    // from the moves it could not.
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    gcodegen.writer().elapsed_time()->other += tcr.elapsed_time;
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    // A phony move to the end position at the wipe tower.
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    gcodegen.writer().travel_to_xy(Pointf(tcr.end_pos.x, tcr.end_pos.y));
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    gcodegen.set_last_pos(wipe_tower_point_to_object_point(gcodegen, tcr.end_pos));
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			@ -470,6 +470,8 @@ bool GCode::do_export(FILE *file, Print &print)
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        assert(final_extruder_id != (unsigned int)-1);
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    }
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    m_cooling_buffer->set_current_extruder(initial_extruder_id);
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    // Disable fan.
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    if (print.config.cooling.get_at(initial_extruder_id) && print.config.disable_fan_first_layers.get_at(initial_extruder_id))
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        write(file, m_writer.set_fan(0, true));
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			@ -568,6 +570,7 @@ bool GCode::do_export(FILE *file, Print &print)
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                    initial_extruder_id = new_extruder_id;
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                    final_extruder_id   = tool_ordering.last_extruder();
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                    assert(final_extruder_id != (unsigned int)-1);
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                    m_cooling_buffer->set_current_extruder(initial_extruder_id);
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                }
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                this->set_origin(unscale(copy.x), unscale(copy.y));
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                if (finished_objects > 0) {
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			@ -594,7 +597,6 @@ bool GCode::do_export(FILE *file, Print &print)
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                    lrs.emplace_back(std::move(ltp));
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                    this->process_layer(file, print, lrs, tool_ordering.tools_for_layer(ltp.print_z()), © - object._shifted_copies.data());
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                }
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                write(file, this->filter(m_cooling_buffer->flush(), true));
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                ++ finished_objects;
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                // Flag indicating whether the nozzle temperature changes from 1st to 2nd layer were performed.
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                // Reset it when starting another object from 1st layer.
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			@ -622,7 +624,6 @@ bool GCode::do_export(FILE *file, Print &print)
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                m_wipe_tower->next_layer();
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            this->process_layer(file, print, layer.second, layer_tools, size_t(-1));
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        }
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        write(file, this->filter(m_cooling_buffer->flush(), true));
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        if (m_wipe_tower)
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            // Purge the extruder, pull out the active filament.
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            write(file, m_wipe_tower->finalize(*this));
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			@ -1107,7 +1108,7 @@ void GCode::process_layer(
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        //FIXME Update the CoolingBuffer class to ignore the object ID, which does not make sense anymore
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        // once all extrusions of a layer are processed at once.
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        // Update the test cases.
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        gcode = m_cooling_buffer->append(gcode, 0, layer.id(), false);
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        gcode = m_cooling_buffer->process_layer(gcode, layer.id());
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    write(file, this->filter(std::move(gcode), false));
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}
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			@ -1865,11 +1866,11 @@ std::string GCode::_extrude(const ExtrusionPath &path, std::string description,
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    if (m_config.cooling.values.front()) {
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        float t = path_length / F * 60.f;
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        m_elapsed_time.total += t;
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        m_writer.elapsed_time()->total += t;
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        if (is_bridge(path.role()))
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            m_elapsed_time.bridges += t;
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            m_writer.elapsed_time()->bridges += t;
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        if (path.role() == erExternalPerimeter)
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            m_elapsed_time.external_perimeters += t;
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            m_writer.elapsed_time()->external_perimeters += t;
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    }
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    return gcode;
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			@ -1918,7 +1919,7 @@ std::string GCode::travel_to(const Point &point, ExtrusionRole role, std::string
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	    gcode += m_writer.travel_to_xy(this->point_to_gcode(line->b), comment);
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    if (m_config.cooling.values.front())
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        m_elapsed_time.travel += unscale(travel.length()) / m_config.get_abs_value("travel_speed");
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        m_writer.elapsed_time()->travel += unscale(travel.length()) / m_config.get_abs_value("travel_speed");
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    return gcode;
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}
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			@ -107,32 +107,6 @@ private:
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    bool                                                         m_brim_done;
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};
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struct ElapsedTime
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{
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    ElapsedTime() { this->reset(); }
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    void reset() { total = bridges = external_perimeters = travel = other = 0.f; }
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    ElapsedTime& operator+=(const ElapsedTime &rhs) {
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        this->total                 += rhs.total;
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        this->bridges               += rhs.bridges;
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        this->external_perimeters   += rhs.external_perimeters;
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        this->travel                += rhs.travel;
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        this->other                 += rhs.other;
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        return *this;
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    }
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    // Potion of the total time, which cannot be stretched to heed the minimum layer print time.
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    float   non_stretchable() const { return this->bridges + this->travel + this->other; }
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    // Potion of the total time, which could be stretched to heed the minimum layer print time.
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    float   stretchable() const { return this->total - this->non_stretchable(); }
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    float   total;
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    float   bridges;
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    float   external_perimeters;
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    float   travel;
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    float   other;
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};
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class GCode {
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public:        
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    GCode() : 
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			@ -165,13 +139,12 @@ public:
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    const Layer*    layer() const { return m_layer; }
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    GCodeWriter&    writer() { return m_writer; }
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    bool            enable_cooling_markers() const { return m_enable_cooling_markers; }
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    ElapsedTime     get_reset_elapsed_time() { ElapsedTime et = this->m_elapsed_time; this->m_elapsed_time.reset(); return et; }
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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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    float           elapsed_time() const { return m_elapsed_time.total; }
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    void            set_elapsed_time(float value) { m_elapsed_time.total = value; }
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	float           elapsed_time() const { return m_writer.elapsed_time()->total; }
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	void            set_elapsed_time(float value) { std::vector<unsigned int> extruders; extruders.push_back(0); m_writer.set_extruders(extruders); m_writer.set_extruder(0); m_writer.elapsed_time()->total = value; }
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    void            apply_print_config(const PrintConfig &print_config);
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protected:
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						 | 
				
			
			@ -268,11 +241,6 @@ protected:
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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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    // Used by the CoolingBuffer G-code filter to calculate time spent per layer change.
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    // This value is not quite precise. First it only accouts for extrusion moves and travel moves,
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    // it does not account for wipe, retract / unretract moves.
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    // second it does not account for the velocity profiles of the printer.
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    ElapsedTime                         m_elapsed_time;
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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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			@ -6,36 +6,6 @@
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namespace Slic3r {
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CoolingBuffer::CoolingBuffer(GCode &gcodegen) :
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    m_gcodegen(gcodegen), m_layer_id(0),
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    m_elapsed_time(new ElapsedTime) 
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{
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}
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CoolingBuffer::~CoolingBuffer()
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{
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    delete m_elapsed_time;
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}
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std::string CoolingBuffer::append(const std::string &gcode, size_t object_id, size_t layer_id, bool is_support)
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{
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    std::string out;
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		||||
    size_t signature = object_id * 2 + (is_support ? 1 : 0);
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		||||
    if (m_object_ids_visited.find(signature) != m_object_ids_visited.end())
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        // For a single print_z, a combination of (object_id, is_support) could repeat once only.
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        // If the combination of (object_id, is_support) reappears, this must be for another print_z,
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        // therefore a layer has to be finalized.
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        out = this->flush();
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    m_object_ids_visited.insert(signature);
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    m_layer_id   = layer_id;
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    m_gcode     += gcode;
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		||||
    // This is a very rough estimate of the print time, 
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    // not taking into account the acceleration curves generated by the printer firmware.
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		||||
    *m_elapsed_time += m_gcodegen.get_reset_elapsed_time();
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		||||
    return out;
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		||||
}
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void apply_speed_factor(std::string &line, float speed_factor, float min_print_speed)
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		||||
{
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		||||
    // find pos of F
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| 
						 | 
				
			
			@ -61,45 +31,47 @@ void apply_speed_factor(std::string &line, float speed_factor, float min_print_s
 | 
			
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    }
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		||||
}
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std::string CoolingBuffer::flush()
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		||||
std::string CoolingBuffer::process_layer(const std::string &gcode_src, size_t layer_id)
 | 
			
		||||
{
 | 
			
		||||
    const FullPrintConfig &config = m_gcodegen.config();
 | 
			
		||||
 | 
			
		||||
    std::string gcode = std::move(m_gcode);
 | 
			
		||||
    m_gcode.clear();
 | 
			
		||||
    std::string gcode               = gcode_src;
 | 
			
		||||
    int         fan_speed           = config.fan_always_on.values.front() ? config.min_fan_speed.values.front() : 0;
 | 
			
		||||
    float       speed_factor        = 1.0;
 | 
			
		||||
    bool        slowdown_external   = true;
 | 
			
		||||
 | 
			
		||||
    int fan_speed = config.fan_always_on.values.front() ? config.min_fan_speed.values.front() : 0;
 | 
			
		||||
    
 | 
			
		||||
    float speed_factor = 1.0;
 | 
			
		||||
    bool slowdown_external  = true;
 | 
			
		||||
    const std::vector<ElapsedTime> &elapsed_times = m_gcodegen.writer().elapsed_times();
 | 
			
		||||
    ElapsedTime elapsed_time;
 | 
			
		||||
    for (const ElapsedTime &et : elapsed_times)
 | 
			
		||||
        elapsed_time += et;
 | 
			
		||||
 | 
			
		||||
    if (config.cooling.values.front()) {
 | 
			
		||||
        #ifdef SLIC3R_DEBUG
 | 
			
		||||
        printf("Layer %zu estimated printing time: %f seconds\n", m_layer_id, m_elapsed_time->total);
 | 
			
		||||
        printf("Layer %zu estimated printing time: %f seconds\n", layer_id, elapsed_time.total);
 | 
			
		||||
        #endif
 | 
			
		||||
        if (m_elapsed_time->total < (float)config.slowdown_below_layer_time.values.front()) {
 | 
			
		||||
        if (elapsed_time.total < (float)config.slowdown_below_layer_time.values.front()) {
 | 
			
		||||
            // Layer time very short. Enable the fan to a full throttle and slow down the print
 | 
			
		||||
            // (stretch the layer print time to slowdown_below_layer_time).
 | 
			
		||||
            fan_speed = config.max_fan_speed.values.front();
 | 
			
		||||
            
 | 
			
		||||
            // We are not altering speed of bridges.
 | 
			
		||||
            float time_to_stretch = m_elapsed_time->stretchable();
 | 
			
		||||
            float target_time = (float)config.slowdown_below_layer_time.values.front() - m_elapsed_time->non_stretchable();
 | 
			
		||||
            float time_to_stretch = elapsed_time.stretchable();
 | 
			
		||||
            float target_time = (float)config.slowdown_below_layer_time.values.front() - elapsed_time.non_stretchable();
 | 
			
		||||
            
 | 
			
		||||
            // If we spend most of our time on external perimeters include them in the slowdown,
 | 
			
		||||
            // otherwise only alter other extrusions.
 | 
			
		||||
            if (m_elapsed_time->external_perimeters < 0.5f * time_to_stretch) {
 | 
			
		||||
                time_to_stretch -= m_elapsed_time->external_perimeters;
 | 
			
		||||
                target_time     -= m_elapsed_time->external_perimeters;
 | 
			
		||||
            if (elapsed_time.external_perimeters < 0.5f * time_to_stretch) {
 | 
			
		||||
                time_to_stretch -= elapsed_time.external_perimeters;
 | 
			
		||||
                target_time     -= elapsed_time.external_perimeters;
 | 
			
		||||
                slowdown_external = false;
 | 
			
		||||
            }
 | 
			
		||||
            
 | 
			
		||||
            speed_factor = time_to_stretch / target_time;
 | 
			
		||||
        } else if (m_elapsed_time->total < (float)config.fan_below_layer_time.values.front()) {
 | 
			
		||||
        } else if (elapsed_time.total < (float)config.fan_below_layer_time.values.front()) {
 | 
			
		||||
            // Layer time quite short. Enable the fan proportionally according to the current layer time.
 | 
			
		||||
            fan_speed = config.max_fan_speed.values.front()
 | 
			
		||||
                - (config.max_fan_speed.values.front() - config.min_fan_speed.values.front())
 | 
			
		||||
                * (m_elapsed_time->total - (float)config.slowdown_below_layer_time.values.front())
 | 
			
		||||
                * (elapsed_time.total - (float)config.slowdown_below_layer_time.values.front())
 | 
			
		||||
                / (config.fan_below_layer_time.values.front() - config.slowdown_below_layer_time.values.front());
 | 
			
		||||
        }
 | 
			
		||||
        
 | 
			
		||||
| 
						 | 
				
			
			@ -131,13 +103,13 @@ std::string CoolingBuffer::flush()
 | 
			
		|||
            gcode = new_gcode;
 | 
			
		||||
        }
 | 
			
		||||
    }
 | 
			
		||||
    if (m_layer_id < config.disable_fan_first_layers.values.front())
 | 
			
		||||
    if (layer_id < config.disable_fan_first_layers.values.front())
 | 
			
		||||
        fan_speed = 0;
 | 
			
		||||
    
 | 
			
		||||
    gcode = m_gcodegen.writer().set_fan(fan_speed) + gcode;
 | 
			
		||||
    
 | 
			
		||||
    // bridge fan speed
 | 
			
		||||
    if (!config.cooling.values.front() || config.bridge_fan_speed.values.front() == 0 || m_layer_id < config.disable_fan_first_layers.values.front()) {
 | 
			
		||||
    if (!config.cooling.values.front() || config.bridge_fan_speed.values.front() == 0 || layer_id < config.disable_fan_first_layers.values.front()) {
 | 
			
		||||
        boost::replace_all(gcode, ";_BRIDGE_FAN_START", "");
 | 
			
		||||
        boost::replace_all(gcode, ";_BRIDGE_FAN_END", "");
 | 
			
		||||
    } else {
 | 
			
		||||
| 
						 | 
				
			
			@ -149,7 +121,7 @@ std::string CoolingBuffer::flush()
 | 
			
		|||
    boost::replace_all(gcode, ";_EXTERNAL_PERIMETER", "");
 | 
			
		||||
    
 | 
			
		||||
    m_object_ids_visited.clear();
 | 
			
		||||
    m_elapsed_time->reset();
 | 
			
		||||
    m_gcodegen.writer().reset_elapsed_times();
 | 
			
		||||
    return gcode;
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -7,10 +7,45 @@
 | 
			
		|||
 | 
			
		||||
namespace Slic3r {
 | 
			
		||||
 | 
			
		||||
struct ElapsedTime;
 | 
			
		||||
class GCode;
 | 
			
		||||
class Layer;
 | 
			
		||||
 | 
			
		||||
struct ElapsedTime
 | 
			
		||||
{
 | 
			
		||||
    ElapsedTime(unsigned int extruder_id = 0) : extruder_id(extruder_id) { this->reset(); }
 | 
			
		||||
    void reset() { total = bridges = external_perimeters = travel = other = 0.f; }
 | 
			
		||||
 | 
			
		||||
    ElapsedTime& operator+=(const ElapsedTime &rhs) {
 | 
			
		||||
        this->total                 += rhs.total;
 | 
			
		||||
        this->bridges               += rhs.bridges;
 | 
			
		||||
        this->external_perimeters   += rhs.external_perimeters;
 | 
			
		||||
        this->travel                += rhs.travel;
 | 
			
		||||
        this->other                 += rhs.other;
 | 
			
		||||
        return *this;
 | 
			
		||||
    }
 | 
			
		||||
 | 
			
		||||
    // Potion of the total time, which cannot be stretched to heed the minimum layer print time.
 | 
			
		||||
    float   non_stretchable() const { return this->bridges + this->travel + this->other; }
 | 
			
		||||
    // Potion of the total time, which could be stretched to heed the minimum layer print time.
 | 
			
		||||
    float   stretchable() const { return this->total - this->non_stretchable(); }
 | 
			
		||||
 | 
			
		||||
    // For which extruder ID has this statistics been collected?
 | 
			
		||||
    unsigned int    extruder_id;
 | 
			
		||||
    // Total time.
 | 
			
		||||
    float           total;
 | 
			
		||||
    // Per feature time slices.
 | 
			
		||||
    float           bridges;
 | 
			
		||||
    float           external_perimeters;
 | 
			
		||||
    float           travel;
 | 
			
		||||
    float           other;
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
// Sort ElapsedTime objects by the extruder id by default.
 | 
			
		||||
inline bool operator==(const ElapsedTime &e1, const ElapsedTime &e2) { return e1.extruder_id == e2.extruder_id; }
 | 
			
		||||
inline bool operator!=(const ElapsedTime &e1, const ElapsedTime &e2) { return e1.extruder_id != e2.extruder_id; }
 | 
			
		||||
inline bool operator< (const ElapsedTime &e1, const ElapsedTime &e2) { return e1.extruder_id < e2.extruder_id; }
 | 
			
		||||
inline bool operator> (const ElapsedTime &e1, const ElapsedTime &e2) { return e1.extruder_id > e2.extruder_id; }
 | 
			
		||||
 | 
			
		||||
/*
 | 
			
		||||
A standalone G-code filter, to control cooling of the print.
 | 
			
		||||
The G-code is processed per layer. Once a layer is collected, fan start / stop commands are edited
 | 
			
		||||
| 
						 | 
				
			
			@ -19,19 +54,17 @@ and the print is modified to stretch over a minimum layer time.
 | 
			
		|||
 | 
			
		||||
class CoolingBuffer {
 | 
			
		||||
public:
 | 
			
		||||
    CoolingBuffer(GCode &gcodegen);
 | 
			
		||||
    ~CoolingBuffer();
 | 
			
		||||
    std::string append(const std::string &gcode, size_t object_id, size_t layer_id, bool is_support);
 | 
			
		||||
    std::string flush();
 | 
			
		||||
    GCode* 	    gcodegen() { return &m_gcodegen; };
 | 
			
		||||
    
 | 
			
		||||
    CoolingBuffer(GCode &gcodegen) : m_gcodegen(gcodegen) {}
 | 
			
		||||
    void        set_current_extruder(unsigned int extruder_id) { m_current_extruder = extruder_id; }
 | 
			
		||||
    std::string process_layer(const std::string &gcode, size_t layer_id);
 | 
			
		||||
    GCode* 	    gcodegen() { return &m_gcodegen; }
 | 
			
		||||
 | 
			
		||||
private:
 | 
			
		||||
	CoolingBuffer& operator=(const CoolingBuffer&);
 | 
			
		||||
 | 
			
		||||
    GCode&              m_gcodegen;
 | 
			
		||||
    std::string         m_gcode;
 | 
			
		||||
    ElapsedTime        *m_elapsed_time;
 | 
			
		||||
    size_t              m_layer_id;
 | 
			
		||||
    unsigned int        m_current_extruder;
 | 
			
		||||
    std::set<size_t>	m_object_ids_visited;
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -26,6 +26,11 @@ void GCodeWriter::set_extruders(const std::vector<unsigned int> &extruder_ids)
 | 
			
		|||
    m_extruders.reserve(extruder_ids.size());
 | 
			
		||||
    for (unsigned int extruder_id : extruder_ids)
 | 
			
		||||
        m_extruders.emplace_back(Extruder(extruder_id, &this->config));
 | 
			
		||||
 | 
			
		||||
    m_elapsed_times.clear();
 | 
			
		||||
    m_elapsed_times.reserve(extruder_ids.size());
 | 
			
		||||
    for (unsigned int extruder_id : extruder_ids)
 | 
			
		||||
        m_elapsed_times.emplace_back(ElapsedTime(extruder_id));
 | 
			
		||||
    
 | 
			
		||||
    /*  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
 | 
			
		||||
| 
						 | 
				
			
			@ -235,6 +240,10 @@ std::string GCodeWriter::toolchange(unsigned int extruder_id)
 | 
			
		|||
    assert(it_extruder != m_extruders.end());
 | 
			
		||||
    m_extruder = const_cast<Extruder*>(&*it_extruder);
 | 
			
		||||
 | 
			
		||||
    auto it_elapsed_time = std::lower_bound(m_elapsed_times.begin(), m_elapsed_times.end(), ElapsedTime(extruder_id));
 | 
			
		||||
    assert(it_elapsed_time != m_elapsed_times.end());
 | 
			
		||||
    m_elapsed_time = const_cast<ElapsedTime*>(&*it_elapsed_time);
 | 
			
		||||
 | 
			
		||||
    // return the toolchange command
 | 
			
		||||
    // if we are running a single-extruder setup, just set the extruder and return nothing
 | 
			
		||||
    std::ostringstream gcode;
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -6,6 +6,7 @@
 | 
			
		|||
#include "Extruder.hpp"
 | 
			
		||||
#include "Point.hpp"
 | 
			
		||||
#include "PrintConfig.hpp"
 | 
			
		||||
#include "GCode/CoolingBuffer.hpp"
 | 
			
		||||
 | 
			
		||||
namespace Slic3r {
 | 
			
		||||
 | 
			
		||||
| 
						 | 
				
			
			@ -15,18 +16,23 @@ public:
 | 
			
		|||
    bool multiple_extruders;
 | 
			
		||||
    
 | 
			
		||||
    GCodeWriter() : 
 | 
			
		||||
        multiple_extruders(false), m_extrusion_axis("E"), m_extruder(nullptr),
 | 
			
		||||
        multiple_extruders(false), m_extrusion_axis("E"), m_extruder(nullptr), m_elapsed_time(nullptr),
 | 
			
		||||
        m_single_extruder_multi_material(false),
 | 
			
		||||
        m_last_acceleration(0), m_last_fan_speed(0), 
 | 
			
		||||
        m_last_bed_temperature(0), m_last_bed_temperature_reached(true), 
 | 
			
		||||
        m_lifted(0)
 | 
			
		||||
        {}
 | 
			
		||||
    Extruder*   extruder() { return m_extruder; }
 | 
			
		||||
    const Extruder* extruder() const { return m_extruder; }
 | 
			
		||||
    std::string extrusion_axis() const { return m_extrusion_axis; }
 | 
			
		||||
    void        apply_print_config(const PrintConfig &print_config);
 | 
			
		||||
    Extruder*            extruder()             { return m_extruder; }
 | 
			
		||||
    const Extruder*      extruder()     const   { return m_extruder; }
 | 
			
		||||
    ElapsedTime*         elapsed_time()         { return m_elapsed_time; }
 | 
			
		||||
    const ElapsedTime*   elapsed_time() const   { return m_elapsed_time; }
 | 
			
		||||
    const std::vector<ElapsedTime>& elapsed_times() const { return m_elapsed_times; }
 | 
			
		||||
    void                 reset_elapsed_times() { for (auto &et : m_elapsed_times) et.reset(); }
 | 
			
		||||
 | 
			
		||||
    std::string          extrusion_axis() const { return m_extrusion_axis; }
 | 
			
		||||
    void                 apply_print_config(const PrintConfig &print_config);
 | 
			
		||||
    // Extruders are expected to be sorted in an increasing order.
 | 
			
		||||
    void        set_extruders(const std::vector<unsigned int> &extruder_ids);
 | 
			
		||||
    void                 set_extruders(const std::vector<unsigned int> &extruder_ids);
 | 
			
		||||
    const std::vector<Extruder>& extruders() const { return m_extruders; }
 | 
			
		||||
    std::vector<unsigned int> extruder_ids() const { 
 | 
			
		||||
        std::vector<unsigned int> out; 
 | 
			
		||||
| 
						 | 
				
			
			@ -64,10 +70,12 @@ public:
 | 
			
		|||
    Pointf3     get_position() const { return m_pos; }
 | 
			
		||||
 | 
			
		||||
private:
 | 
			
		||||
    std::vector<Extruder> m_extruders;
 | 
			
		||||
    std::vector<Extruder>    m_extruders;
 | 
			
		||||
    std::vector<ElapsedTime> m_elapsed_times;
 | 
			
		||||
    std::string     m_extrusion_axis;
 | 
			
		||||
    bool            m_single_extruder_multi_material;
 | 
			
		||||
    Extruder*       m_extruder;
 | 
			
		||||
    ElapsedTime*    m_elapsed_time;
 | 
			
		||||
    unsigned int    m_last_acceleration;
 | 
			
		||||
    unsigned int    m_last_fan_speed;
 | 
			
		||||
    unsigned int    m_last_bed_temperature;
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -550,7 +550,8 @@ std::string Print::validate() const
 | 
			
		|||
        size_t total_copies_count = 0;
 | 
			
		||||
        for (const PrintObject *object : this->objects)
 | 
			
		||||
            total_copies_count += object->copies().size();
 | 
			
		||||
        if (total_copies_count > 1)
 | 
			
		||||
        // #4043
 | 
			
		||||
        if (total_copies_count > 1 && ! this->config.complete_objects.value)
 | 
			
		||||
            return "The Spiral Vase option can only be used when printing a single object.";
 | 
			
		||||
        if (this->regions.size() > 1)
 | 
			
		||||
            return "The Spiral Vase option can only be used when printing single material objects.";
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -11,9 +11,7 @@
 | 
			
		|||
        %code{% RETVAL = new CoolingBuffer(*gcode); %};
 | 
			
		||||
    ~CoolingBuffer();
 | 
			
		||||
    Ref<GCode> gcodegen();
 | 
			
		||||
    
 | 
			
		||||
    std::string append(std::string gcode, size_t object_id, size_t layer_id, bool support_layer);
 | 
			
		||||
    std::string flush();
 | 
			
		||||
    std::string process_layer(std::string gcode, size_t layer_id);
 | 
			
		||||
};
 | 
			
		||||
 | 
			
		||||
%name{Slic3r::GCode} class GCode {
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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