mirror of
				https://github.com/SoftFever/OrcaSlicer.git
				synced 2025-11-02 20:51:23 -07:00 
			
		
		
		
	Avoid closures, move planning code to _plan() and layer G-code generation to Slic3r::GCode::Layer
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					 5 changed files with 246 additions and 210 deletions
				
			
		
							
								
								
									
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			@ -25,6 +25,7 @@ lib/Slic3r/Format/OBJ.pm
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lib/Slic3r/Format/STL.pm
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lib/Slic3r/GCode.pm
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lib/Slic3r/GCode/CoolingBuffer.pm
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lib/Slic3r/GCode/Layer.pm
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lib/Slic3r/GCode/MotionPlanner.pm
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lib/Slic3r/GCode/Reader.pm
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lib/Slic3r/GCode/SpiralVase.pm
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			@ -46,6 +46,7 @@ use Slic3r::Format::OBJ;
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use Slic3r::Format::STL;
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use Slic3r::GCode;
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use Slic3r::GCode::CoolingBuffer;
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use Slic3r::GCode::Layer;
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use Slic3r::GCode::MotionPlanner;
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use Slic3r::GCode::Reader;
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use Slic3r::GCode::SpiralVase;
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			@ -294,34 +294,6 @@ sub travel_to {
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        $self->speed('travel');
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        $gcode .= $self->G0($point, undef, 0, $comment || "");
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    } else {
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        my $plan = sub {
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            my $mp = shift;
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            my $gcode = "";
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            my @travel = $mp->shortest_path($self->last_pos, $point)->lines;
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            # if the path is not contained in a single island we need to retract
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            my $need_retract = !$Slic3r::Config->only_retract_when_crossing_perimeters;
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            if (!$need_retract) {
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                $need_retract = 1;
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                foreach my $slice (@{$self->layer->slices}) {
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                    # discard the island if at any line is not enclosed in it
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                    next if first { !$slice->encloses_line($_, scaled_epsilon) } @travel;
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                    # okay, this island encloses the full travel path
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                    $need_retract = 0;
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                    last;
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                }
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            }
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            # do the retract (the travel_to argument is broken)
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            $gcode .= $self->retract(travel_to => $point) if $need_retract;
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            # append the actual path and return
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            $self->speed('travel');
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            $gcode .= join '', map $self->G0($_->[B], undef, 0, $comment || ""), @travel;
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            return $gcode;
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        };
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        if ($self->new_object) {
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            $self->new_object(0);
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			@ -332,16 +304,45 @@ sub travel_to {
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            # calculate path (external_mp uses G-code coordinates so we temporary need a null shift)
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            $self->set_shift(0,0);
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            $gcode .= $plan->($self->external_mp);
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            $gcode .= $self->_plan($self->external_mp, $point, $comment);
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            $self->set_shift(@shift);
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        } else {
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            $gcode .= $plan->($self->layer_mp);
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            $gcode .= $self->_plan($self->layer_mp, $point, $comment);
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        }
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    }
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    return $gcode;
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}
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sub _plan {
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    my $self = shift;
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    my ($mp, $point, $comment) = @_;
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    my $gcode = "";
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    my @travel = $mp->shortest_path($self->last_pos, $point)->lines;
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    # if the path is not contained in a single island we need to retract
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    my $need_retract = !$Slic3r::Config->only_retract_when_crossing_perimeters;
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    if (!$need_retract) {
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        $need_retract = 1;
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        foreach my $slice (@{$self->layer->slices}) {
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            # discard the island if at any line is not enclosed in it
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            next if first { !$slice->encloses_line($_, scaled_epsilon) } @travel;
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            # okay, this island encloses the full travel path
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            $need_retract = 0;
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            last;
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        }
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    }
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    # do the retract (the travel_to argument is broken)
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    $gcode .= $self->retract(travel_to => $point) if $need_retract;
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    # append the actual path and return
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    $self->speed('travel');
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    $gcode .= join '', map $self->G0($_->[B], undef, 0, $comment || ""), @travel;
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    return $gcode;
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}
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sub retract {
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    my $self = shift;
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    my %params = @_;
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										202
									
								
								lib/Slic3r/GCode/Layer.pm
									
										
									
									
									
										Normal file
									
								
							
							
						
						
									
										202
									
								
								lib/Slic3r/GCode/Layer.pm
									
										
									
									
									
										Normal file
									
								
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			@ -0,0 +1,202 @@
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package Slic3r::GCode::Layer;
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use Moo;
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use Slic3r::Geometry qw(X Y unscale);
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has 'print'                         => (is => 'ro', required => 1, handles => [qw(extruders)]);
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has 'gcodegen'                      => (is => 'ro', required => 1);
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has 'shift'                         => (is => 'ro', required => 1);
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has 'spiralvase'                    => (is => 'lazy');
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has 'skirt_done'                    => (is => 'rw', default => sub {0});  # count of skirt layers done
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has 'brim_done'                     => (is => 'rw');
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has 'second_layer_things_done'      => (is => 'rw');
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has '_last_obj_copy'                => (is => 'rw');
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sub _build_spiralvase {
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    my $self = shift;
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    return $Slic3r::Config->spiral_vase
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        ? Slic3r::GCode::SpiralVase->new
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        : undef;
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}
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sub process_layer {
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    my $self = shift;
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    my ($layer, $object_copies) = @_;
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    my $gcode = "";
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    if (!$self->second_layer_things_done && $layer->id == 1) {
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        for my $t (grep $self->extruders->[$_], 0 .. $#{$Slic3r::Config->temperature}) {
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            $gcode .= $self->gcodegen->set_temperature($self->extruders->[$t]->temperature, 0, $t)
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                if $self->print->extruders->[$t]->temperature && $self->extruders->[$t]->temperature != $self->extruders->[$t]->first_layer_temperature;
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        }
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        $gcode .= $self->gcodegen->set_bed_temperature($Slic3r::Config->bed_temperature)
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            if $Slic3r::Config->bed_temperature && $Slic3r::Config->bed_temperature != $Slic3r::Config->first_layer_bed_temperature;
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        $self->second_layer_things_done(1);
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    }
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    # set new layer, but don't move Z as support material contact areas may need an intermediate one
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    $gcode .= $self->gcodegen->change_layer($layer);
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    # prepare callback to call as soon as a Z command is generated
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    $self->gcodegen->move_z_callback(sub {
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        $self->gcodegen->move_z_callback(undef);  # circular ref or not?
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        return "" if !$Slic3r::Config->layer_gcode;
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        return $Slic3r::Config->replace_options($Slic3r::Config->layer_gcode) . "\n";
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    });
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    # extrude skirt
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    if ($self->skirt_done < $Slic3r::Config->skirt_height) {
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        $self->gcodegen->set_shift(@{$self->shift});
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        $gcode .= $self->gcodegen->set_extruder($self->extruders->[0]);  # move_z requires extruder
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        $gcode .= $self->gcodegen->move_z($self->gcodegen->layer->print_z);
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        # skip skirt if we have a large brim
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        if ($layer->id < $Slic3r::Config->skirt_height) {
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            # distribute skirt loops across all extruders
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            for my $i (0 .. $#{$self->print->skirt}) {
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                # when printing layers > 0 ignore 'min_skirt_length' and 
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                # just use the 'skirts' setting; also just use the current extruder
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                last if ($layer->id > 0) && ($i >= $Slic3r::Config->skirts);
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                $gcode .= $self->gcodegen->set_extruder($self->extruders->[ ($i/@{$self->extruders}) % @{$self->extruders} ])
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                    if $layer->id == 0;
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                $gcode .= $self->gcodegen->extrude_loop($self->print->skirt->[$i], 'skirt');
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            }
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        }
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        $self->skirt_done($self->skirt_done + 1);
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        $self->gcodegen->straight_once(1);
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    }
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    # extrude brim
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    if (!$self->brim_done) {
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        $gcode .= $self->gcodegen->set_extruder($self->extruders->[$Slic3r::Config->support_material_extruder-1]);  # move_z requires extruder
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        $gcode .= $self->gcodegen->move_z($self->gcodegen->layer->print_z);
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        $self->gcodegen->set_shift(@{$self->shift});
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        $gcode .= $self->gcodegen->extrude_loop($_, 'brim') for @{$self->print->brim};
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        $self->brim_done(1);
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        $self->gcodegen->straight_once(1);
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    }
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    for my $copy (@$object_copies) {
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        $self->gcodegen->new_object(1) if ($self->_last_obj_copy // '') ne "$copy";
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        $self->_last_obj_copy("$copy");
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        $self->gcodegen->set_shift(map $self->shift->[$_] + unscale $copy->[$_], X,Y);
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        # extrude support material before other things because it might use a lower Z
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        # and also because we avoid travelling on other things when printing it
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        if ($self->print->has_support_material) {
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            $gcode .= $self->gcodegen->move_z($layer->support_material_contact_z)
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                if ($layer->support_contact_fills && @{ $layer->support_contact_fills->paths });
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            $gcode .= $self->gcodegen->set_extruder($self->extruders->[$Slic3r::Config->support_material_extruder-1]);
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            if ($layer->support_contact_fills) {
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                $gcode .= $self->gcodegen->extrude_path($_, 'support material contact area') 
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                    for $layer->support_contact_fills->chained_path($self->gcodegen->last_pos); 
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            }
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            $gcode .= $self->gcodegen->move_z($layer->print_z);
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            if ($layer->support_fills) {
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                $gcode .= $self->gcodegen->extrude_path($_, 'support material') 
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                    for $layer->support_fills->chained_path($self->gcodegen->last_pos);
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            }
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        }
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        # set actual Z - this will force a retraction
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        $gcode .= $self->gcodegen->move_z($layer->print_z);
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        # tweak region ordering to save toolchanges
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        my @region_ids = 0 .. ($self->print->regions_count-1);
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        if ($self->gcodegen->multiple_extruders) {
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            my $last_extruder = $self->gcodegen->extruder;
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            my $best_region_id = first { $self->print->regions->[$_]->extruders->{perimeter} eq $last_extruder } @region_ids;
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            @region_ids = ($best_region_id, grep $_ != $best_region_id, @region_ids) if $best_region_id;
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        }
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        foreach my $region_id (@region_ids) {
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            my $layerm = $layer->regions->[$region_id];
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            my $region = $self->print->regions->[$region_id];
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            my @islands = ();
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            if ($Slic3r::Config->avoid_crossing_perimeters) {
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                push @islands, map +{ perimeters => [], fills => [] }, @{$layer->slices};
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                PERIMETER: foreach my $perimeter (@{$layerm->perimeters}) {
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                    my $p = $perimeter->unpack;
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                    for my $i (0 .. $#{$layer->slices}-1) {
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                        if ($layer->slices->[$i]->contour->encloses_point($p->first_point)) {
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                            push @{ $islands[$i]{perimeters} }, $p;
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                            next PERIMETER;
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                        }
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                    }
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                    push @{ $islands[-1]{perimeters} }, $p; # optimization
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                }
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                FILL: foreach my $fill (@{$layerm->fills}) {
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                    my $f = $fill->unpack;
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                    for my $i (0 .. $#{$layer->slices}-1) {
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                        if ($layer->slices->[$i]->contour->encloses_point($f->first_point)) {
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                            push @{ $islands[$i]{fills} }, $f;
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                            next FILL;
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                        }
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                    }
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                    push @{ $islands[-1]{fills} }, $f; # optimization
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                }
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            } else {
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                push @islands, {
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                    perimeters  => $layerm->perimeters,
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                    fills       => $layerm->fills,
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                };
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            }
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            foreach my $island (@islands) {
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                # give priority to infill if we were already using its extruder and it wouldn't
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                # be good for perimeters
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                if ($Slic3r::Config->infill_first
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                    || ($self->gcodegen->multiple_extruders && $region->extruders->{infill} eq $self->gcodegen->extruder) && $region->extruders->{infill} ne $region->extruders->{perimeter}) {
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                    $gcode .= $self->_extrude_infill($island, $region);
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                    $gcode .= $self->_extrude_perimeters($island, $region);
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                } else {
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                    $gcode .= $self->_extrude_perimeters($island, $region);
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                    $gcode .= $self->_extrude_infill($island, $region);
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                }
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            }
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        }
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    }
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    # apply spiral vase post-processing if this layer contains suitable geometry
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    $gcode = $self->spiralvase->process_layer($gcode, $layer)
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        if defined $self->spiralvase
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        && ($layer->id > 0 || $Slic3r::Config->brim_width == 0)
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        && ($layer->id >= $Slic3r::Config->skirt_height)
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        && ($layer->id >= $Slic3r::Config->bottom_solid_layers);
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    return $gcode;
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}
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sub _extrude_perimeters {
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    my $self = shift;
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    my ($island, $region) = @_;
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    return "" if !@{ $island->{perimeters} };
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    return $self->gcodegen->set_extruder($region->extruders->{perimeter})
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        . $self->gcodegen->extrude($_, 'perimeter') for @{ $island->{perimeters} };
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}
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sub _extrude_infill {
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    my $self = shift;
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    my ($island, $region) = @_;
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    return "" if !@{ $island->{fills} };
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    my $gcode = "";
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    $gcode .= $self->gcodegen->set_extruder($region->extruders->{infill});
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    for my $fill (@{ $island->{fills} }) {
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        if ($fill->isa('Slic3r::ExtrusionPath::Collection')) {
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            $gcode .= $self->gcodegen->extrude($_, 'fill') 
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                for $fill->chained_path($self->gcodegen->last_pos);
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        } else {
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            $gcode .= $self->gcodegen->extrude($fill, 'fill') ;
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        }
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    }
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    return $gcode;
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}
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1;
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						 | 
				
			
			@ -759,183 +759,12 @@ sub write_gcode {
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        ));
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    }
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 | 
			
		||||
    # prepare the SpiralVase processor if it's possible
 | 
			
		||||
    my $spiralvase = $Slic3r::Config->spiral_vase
 | 
			
		||||
        ? Slic3r::GCode::SpiralVase->new
 | 
			
		||||
        : undef;
 | 
			
		||||
    
 | 
			
		||||
    # prepare the logic to print one layer
 | 
			
		||||
    my $skirt_done = 0;  # count of skirt layers done
 | 
			
		||||
    my $brim_done = 0;
 | 
			
		||||
    my $second_layer_things_done = 0;
 | 
			
		||||
    my $last_obj_copy = "";
 | 
			
		||||
    my $extrude_layer = sub {
 | 
			
		||||
        my ($layer, $object_copies) = @_;
 | 
			
		||||
        my $gcode = "";
 | 
			
		||||
        
 | 
			
		||||
        if (!$second_layer_things_done && $layer->id == 1) {
 | 
			
		||||
            for my $t (grep $self->extruders->[$_], 0 .. $#{$Slic3r::Config->temperature}) {
 | 
			
		||||
                $gcode .= $gcodegen->set_temperature($self->extruders->[$t]->temperature, 0, $t)
 | 
			
		||||
                    if $self->extruders->[$t]->temperature && $self->extruders->[$t]->temperature != $self->extruders->[$t]->first_layer_temperature;
 | 
			
		||||
            }
 | 
			
		||||
            $gcode .= $gcodegen->set_bed_temperature($Slic3r::Config->bed_temperature)
 | 
			
		||||
                if $Slic3r::Config->bed_temperature && $Slic3r::Config->bed_temperature != $Slic3r::Config->first_layer_bed_temperature;
 | 
			
		||||
            $second_layer_things_done = 1;
 | 
			
		||||
        }
 | 
			
		||||
        
 | 
			
		||||
        # set new layer, but don't move Z as support material contact areas may need an intermediate one
 | 
			
		||||
        $gcode .= $gcodegen->change_layer($layer);
 | 
			
		||||
        
 | 
			
		||||
        # prepare callback to call as soon as a Z command is generated
 | 
			
		||||
        $gcodegen->move_z_callback(sub {
 | 
			
		||||
            $gcodegen->move_z_callback(undef);  # circular ref or not?
 | 
			
		||||
            return "" if !$Slic3r::Config->layer_gcode;
 | 
			
		||||
            return $Slic3r::Config->replace_options($Slic3r::Config->layer_gcode) . "\n";
 | 
			
		||||
        });
 | 
			
		||||
        
 | 
			
		||||
        # extrude skirt
 | 
			
		||||
        if ($skirt_done < $Slic3r::Config->skirt_height) {
 | 
			
		||||
            $gcodegen->set_shift(@shift);
 | 
			
		||||
            $gcode .= $gcodegen->set_extruder($self->extruders->[0]);  # move_z requires extruder
 | 
			
		||||
            $gcode .= $gcodegen->move_z($gcodegen->layer->print_z);
 | 
			
		||||
            # skip skirt if we have a large brim
 | 
			
		||||
            if ($layer->id < $Slic3r::Config->skirt_height) {
 | 
			
		||||
                # distribute skirt loops across all extruders
 | 
			
		||||
                for my $i (0 .. $#{$self->skirt}) {
 | 
			
		||||
                    # when printing layers > 0 ignore 'min_skirt_length' and 
 | 
			
		||||
                    # just use the 'skirts' setting; also just use the current extruder
 | 
			
		||||
                    last if ($layer->id > 0) && ($i >= $Slic3r::Config->skirts);
 | 
			
		||||
                    $gcode .= $gcodegen->set_extruder($self->extruders->[ ($i/@{$self->extruders}) % @{$self->extruders} ])
 | 
			
		||||
                        if $layer->id == 0;
 | 
			
		||||
                    $gcode .= $gcodegen->extrude_loop($self->skirt->[$i], 'skirt');
 | 
			
		||||
                }
 | 
			
		||||
            }
 | 
			
		||||
            $skirt_done++;
 | 
			
		||||
            $gcodegen->straight_once(1);
 | 
			
		||||
        }
 | 
			
		||||
        
 | 
			
		||||
        # extrude brim
 | 
			
		||||
        if (!$brim_done) {
 | 
			
		||||
            $gcode .= $gcodegen->set_extruder($self->extruders->[$Slic3r::Config->support_material_extruder-1]);  # move_z requires extruder
 | 
			
		||||
            $gcode .= $gcodegen->move_z($gcodegen->layer->print_z);
 | 
			
		||||
            $gcodegen->set_shift(@shift);
 | 
			
		||||
            $gcode .= $gcodegen->extrude_loop($_, 'brim') for @{$self->brim};
 | 
			
		||||
            $brim_done = 1;
 | 
			
		||||
            $gcodegen->straight_once(1);
 | 
			
		||||
        }
 | 
			
		||||
        
 | 
			
		||||
        for my $copy (@$object_copies) {
 | 
			
		||||
            $gcodegen->new_object(1) if $last_obj_copy && $last_obj_copy ne "$copy";
 | 
			
		||||
            $last_obj_copy = "$copy";
 | 
			
		||||
            
 | 
			
		||||
            $gcodegen->set_shift(map $shift[$_] + unscale $copy->[$_], X,Y);
 | 
			
		||||
            
 | 
			
		||||
            # extrude support material before other things because it might use a lower Z
 | 
			
		||||
            # and also because we avoid travelling on other things when printing it
 | 
			
		||||
            if ($self->has_support_material) {
 | 
			
		||||
                $gcode .= $gcodegen->move_z($layer->support_material_contact_z)
 | 
			
		||||
                    if ($layer->support_contact_fills && @{ $layer->support_contact_fills->paths });
 | 
			
		||||
                $gcode .= $gcodegen->set_extruder($self->extruders->[$Slic3r::Config->support_material_extruder-1]);
 | 
			
		||||
                if ($layer->support_contact_fills) {
 | 
			
		||||
                    $gcode .= $gcodegen->extrude_path($_, 'support material contact area') 
 | 
			
		||||
                        for $layer->support_contact_fills->chained_path($gcodegen->last_pos); 
 | 
			
		||||
                }
 | 
			
		||||
                
 | 
			
		||||
                $gcode .= $gcodegen->move_z($layer->print_z);
 | 
			
		||||
                if ($layer->support_fills) {
 | 
			
		||||
                    $gcode .= $gcodegen->extrude_path($_, 'support material') 
 | 
			
		||||
                        for $layer->support_fills->chained_path($gcodegen->last_pos);
 | 
			
		||||
                }
 | 
			
		||||
            }
 | 
			
		||||
            
 | 
			
		||||
            # set actual Z - this will force a retraction
 | 
			
		||||
            $gcode .= $gcodegen->move_z($layer->print_z);
 | 
			
		||||
            
 | 
			
		||||
            # tweak region ordering to save toolchanges
 | 
			
		||||
            my @region_ids = 0 .. ($self->regions_count-1);
 | 
			
		||||
            if ($gcodegen->multiple_extruders) {
 | 
			
		||||
                my $last_extruder = $gcodegen->extruder;
 | 
			
		||||
                my $best_region_id = first { $self->regions->[$_]->extruders->{perimeter} eq $last_extruder } @region_ids;
 | 
			
		||||
                @region_ids = ($best_region_id, grep $_ != $best_region_id, @region_ids) if $best_region_id;
 | 
			
		||||
            }
 | 
			
		||||
            
 | 
			
		||||
            foreach my $region_id (@region_ids) {
 | 
			
		||||
                my $layerm = $layer->regions->[$region_id];
 | 
			
		||||
                my $region = $self->regions->[$region_id];
 | 
			
		||||
                
 | 
			
		||||
                my @islands = ();
 | 
			
		||||
                if ($Slic3r::Config->avoid_crossing_perimeters) {
 | 
			
		||||
                    push @islands, map +{ perimeters => [], fills => [] }, @{$layer->slices};
 | 
			
		||||
                    PERIMETER: foreach my $perimeter (@{$layerm->perimeters}) {
 | 
			
		||||
                        my $p = $perimeter->unpack;
 | 
			
		||||
                        for my $i (0 .. $#{$layer->slices}-1) {
 | 
			
		||||
                            if ($layer->slices->[$i]->contour->encloses_point($p->first_point)) {
 | 
			
		||||
                                push @{ $islands[$i]{perimeters} }, $p;
 | 
			
		||||
                                next PERIMETER;
 | 
			
		||||
                            }
 | 
			
		||||
                        }
 | 
			
		||||
                        push @{ $islands[-1]{perimeters} }, $p; # optimization
 | 
			
		||||
                    }
 | 
			
		||||
                    FILL: foreach my $fill (@{$layerm->fills}) {
 | 
			
		||||
                        my $f = $fill->unpack;
 | 
			
		||||
                        for my $i (0 .. $#{$layer->slices}-1) {
 | 
			
		||||
                            if ($layer->slices->[$i]->contour->encloses_point($f->first_point)) {
 | 
			
		||||
                                push @{ $islands[$i]{fills} }, $f;
 | 
			
		||||
                                next FILL;
 | 
			
		||||
                            }
 | 
			
		||||
                        }
 | 
			
		||||
                        push @{ $islands[-1]{fills} }, $f; # optimization
 | 
			
		||||
                    }
 | 
			
		||||
                } else {
 | 
			
		||||
                    push @islands, {
 | 
			
		||||
                        perimeters  => $layerm->perimeters,
 | 
			
		||||
                        fills       => $layerm->fills,
 | 
			
		||||
                    };
 | 
			
		||||
                }
 | 
			
		||||
                
 | 
			
		||||
                foreach my $island (@islands) {
 | 
			
		||||
                    my $extrude_perimeters = sub {
 | 
			
		||||
                        return if !@{ $island->{perimeters} };
 | 
			
		||||
                        $gcode .= $gcodegen->set_extruder($region->extruders->{perimeter});
 | 
			
		||||
                        $gcode .= $gcodegen->extrude($_, 'perimeter') for @{ $island->{perimeters} };
 | 
			
		||||
                    };
 | 
			
		||||
                    
 | 
			
		||||
                    my $extrude_fills = sub {
 | 
			
		||||
                        return if !@{ $island->{fills} };
 | 
			
		||||
                        $gcode .= $gcodegen->set_extruder($region->extruders->{infill});
 | 
			
		||||
                        for my $fill (@{ $island->{fills} }) {
 | 
			
		||||
                            if ($fill->isa('Slic3r::ExtrusionPath::Collection')) {
 | 
			
		||||
                                $gcode .= $gcodegen->extrude($_, 'fill') 
 | 
			
		||||
                                    for $fill->chained_path($gcodegen->last_pos);
 | 
			
		||||
                            } else {
 | 
			
		||||
                                $gcode .= $gcodegen->extrude($fill, 'fill') ;
 | 
			
		||||
                            }
 | 
			
		||||
                        }
 | 
			
		||||
                    };
 | 
			
		||||
                    
 | 
			
		||||
                    # give priority to infill if we were already using its extruder and it wouldn't
 | 
			
		||||
                    # be good for perimeters
 | 
			
		||||
                    if ($Slic3r::Config->infill_first
 | 
			
		||||
                        || ($gcodegen->multiple_extruders && $region->extruders->{infill} eq $gcodegen->extruder) && $region->extruders->{infill} ne $region->extruders->{perimeter}) {
 | 
			
		||||
                        $extrude_fills->();
 | 
			
		||||
                        $extrude_perimeters->();
 | 
			
		||||
                    } else {
 | 
			
		||||
                        $extrude_perimeters->();
 | 
			
		||||
                        $extrude_fills->();
 | 
			
		||||
                    }
 | 
			
		||||
                }
 | 
			
		||||
            }
 | 
			
		||||
        }
 | 
			
		||||
        
 | 
			
		||||
        # apply spiral vase post-processing if this layer contains suitable geometry
 | 
			
		||||
        $gcode = $spiralvase->process_layer($gcode, $layer)
 | 
			
		||||
            if defined $spiralvase
 | 
			
		||||
            && ($layer->id > 0 || $Slic3r::Config->brim_width == 0)
 | 
			
		||||
            && ($layer->id >= $Slic3r::Config->skirt_height)
 | 
			
		||||
            && ($layer->id >= $Slic3r::Config->bottom_solid_layers);
 | 
			
		||||
        
 | 
			
		||||
        return $gcode;
 | 
			
		||||
    };
 | 
			
		||||
    # prepare the layer processor
 | 
			
		||||
    my $layer_gcode = Slic3r::GCode::Layer->new(
 | 
			
		||||
        print       => $self,
 | 
			
		||||
        gcodegen    => $gcodegen,
 | 
			
		||||
        shift       => \@shift,
 | 
			
		||||
    );
 | 
			
		||||
    
 | 
			
		||||
    # do all objects for each layer
 | 
			
		||||
    if ($Slic3r::Config->complete_objects) {
 | 
			
		||||
| 
						 | 
				
			
			@ -970,7 +799,7 @@ sub write_gcode {
 | 
			
		|||
                            if $Slic3r::Config->first_layer_bed_temperature;
 | 
			
		||||
                        $print_first_layer_temperature->();
 | 
			
		||||
                    }
 | 
			
		||||
                    print $fh $buffer->append($extrude_layer->($layer, [$copy]), $layer);
 | 
			
		||||
                    print $fh $buffer->append($layer_gcode->process_layer($layer, [$copy]), $layer);
 | 
			
		||||
                }
 | 
			
		||||
                print $fh $buffer->flush;
 | 
			
		||||
                $finished_objects++;
 | 
			
		||||
| 
						 | 
				
			
			@ -981,8 +810,10 @@ sub write_gcode {
 | 
			
		|||
            config      => $Slic3r::Config,
 | 
			
		||||
            gcodegen    => $gcodegen,
 | 
			
		||||
        );
 | 
			
		||||
        print $fh $buffer->append($extrude_layer->($_, $_->object->copies), $_)
 | 
			
		||||
            for sort { $a->print_z <=> $b->print_z } map @{$_->layers}, @{$self->objects};
 | 
			
		||||
        my @layers = sort { $a->print_z <=> $b->print_z } map @{$_->layers}, @{$self->objects};
 | 
			
		||||
        foreach my $layer (@layers) {
 | 
			
		||||
            print $fh $buffer->append($layer_gcode->process_layer($layer, $layer->object->copies), $layer);
 | 
			
		||||
        }
 | 
			
		||||
        print $fh $buffer->flush;
 | 
			
		||||
    }
 | 
			
		||||
    
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
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