765 lines
30 KiB
Perl
765 lines
30 KiB
Perl
package Slic3r::GCode;
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use Moo;
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use List::Util qw(min first);
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use Slic3r::ExtrusionPath ':roles';
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use Slic3r::Flow ':roles';
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use Slic3r::Geometry qw(epsilon scale unscale scaled_epsilon points_coincide PI X Y B);
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use Slic3r::Geometry::Clipper qw(union_ex);
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use Slic3r::Surface ':types';
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has 'print_config' => (is => 'ro', default => sub { Slic3r::Config::Print->new });
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has 'extra_variables' => (is => 'rw', default => sub {{}});
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has 'extruders' => (is => 'ro', required => 1);
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has 'multiple_extruders' => (is => 'lazy');
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has 'standby_points' => (is => 'rw');
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has 'enable_loop_clipping' => (is => 'rw', default => sub {1});
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has 'enable_wipe' => (is => 'lazy'); # at least one extruder has wipe enabled
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has 'layer_count' => (is => 'ro', required => 1 );
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has 'layer' => (is => 'rw');
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has 'region' => (is => 'rw');
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has '_layer_islands' => (is => 'rw');
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has '_upper_layer_islands' => (is => 'rw');
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has '_layer_overhangs' => (is => 'ro', default => sub { Slic3r::ExPolygon::Collection->new });
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has 'shift_x' => (is => 'rw', default => sub {0} );
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has 'shift_y' => (is => 'rw', default => sub {0} );
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has 'z' => (is => 'rw');
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has 'speed' => (is => 'rw');
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has '_extrusion_axis' => (is => 'rw');
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has '_retract_lift' => (is => 'rw');
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has 'speeds' => (is => 'lazy'); # mm/min
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has 'external_mp' => (is => 'rw');
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has 'layer_mp' => (is => 'rw');
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has 'new_object' => (is => 'rw', default => sub {0});
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has 'straight_once' => (is => 'rw', default => sub {1});
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has 'extruder' => (is => 'rw');
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has 'elapsed_time' => (is => 'rw', default => sub {0} ); # seconds
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has 'lifted' => (is => 'rw', default => sub {0} );
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has 'last_pos' => (is => 'rw', default => sub { Slic3r::Point->new(0,0) } );
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has 'last_speed' => (is => 'rw', default => sub {""});
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has 'last_f' => (is => 'rw', default => sub {""});
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has 'last_fan_speed' => (is => 'rw', default => sub {0});
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has 'wipe_path' => (is => 'rw');
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sub BUILD {
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my ($self) = @_;
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$self->_extrusion_axis($self->print_config->get_extrusion_axis);
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$self->_retract_lift($self->print_config->retract_lift->[0]);
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}
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sub _build_speeds {
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my $self = shift;
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return {
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map { $_ => 60 * $self->print_config->get_value("${_}_speed") }
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qw(travel perimeter small_perimeter external_perimeter infill
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solid_infill top_solid_infill bridge gap_fill retract),
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};
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}
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# assign speeds to roles
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my %role_speeds = (
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&EXTR_ROLE_PERIMETER => 'perimeter',
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&EXTR_ROLE_EXTERNAL_PERIMETER => 'external_perimeter',
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&EXTR_ROLE_OVERHANG_PERIMETER => 'bridge',
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&EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER => 'perimeter',
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&EXTR_ROLE_FILL => 'infill',
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&EXTR_ROLE_SOLIDFILL => 'solid_infill',
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&EXTR_ROLE_TOPSOLIDFILL => 'top_solid_infill',
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&EXTR_ROLE_BRIDGE => 'bridge',
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&EXTR_ROLE_INTERNALBRIDGE => 'solid_infill',
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&EXTR_ROLE_SKIRT => 'perimeter',
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&EXTR_ROLE_GAPFILL => 'gap_fill',
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);
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sub _build_multiple_extruders {
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my $self = shift;
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return @{$self->extruders} > 1;
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}
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sub _build_enable_wipe {
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my $self = shift;
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return (first { $_->wipe } @{$self->extruders}) ? 1 : 0;
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}
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sub set_shift {
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my ($self, @shift) = @_;
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# if shift increases (goes towards right), last_pos decreases because it goes towards left
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my @translate = (
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scale ($self->shift_x - $shift[X]),
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scale ($self->shift_y - $shift[Y]),
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);
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$self->last_pos->translate(@translate);
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$self->wipe_path->translate(@translate) if $self->wipe_path;
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$self->shift_x($shift[X]);
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$self->shift_y($shift[Y]);
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}
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sub change_layer {
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my ($self, $layer) = @_;
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$self->layer($layer);
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# avoid computing islands and overhangs if they're not needed
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$self->_layer_islands($layer->islands);
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$self->_upper_layer_islands($layer->upper_layer ? $layer->upper_layer->islands : []);
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$self->_layer_overhangs->clear;
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if ($layer->id > 0 && ($self->print_config->overhangs || $self->print_config->start_perimeters_at_non_overhang)) {
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$self->_layer_overhangs->append(
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# clone ExPolygons because they come from Surface objects but will be used outside here
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map $_->expolygon, map @{$_->slices->filter_by_type(S_TYPE_BOTTOM)}, @{$layer->regions}
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);
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}
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if ($self->print_config->avoid_crossing_perimeters) {
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$self->layer_mp(Slic3r::GCode::MotionPlanner->new(
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islands => union_ex([ map @$_, @{$layer->slices} ], 1),
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));
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}
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my $gcode = "";
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if ($self->print_config->gcode_flavor =~ /^(?:makerware|sailfish)$/) {
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$gcode .= sprintf "M73 P%s%s\n",
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int(99 * ($layer->id / ($self->layer_count - 1))),
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($self->print_config->gcode_comments ? ' ; update progress' : '');
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}
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if ($self->print_config->first_layer_acceleration) {
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if ($layer->id == 0) {
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$gcode .= $self->set_acceleration($self->print_config->first_layer_acceleration);
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} elsif ($layer->id == 1) {
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$gcode .= $self->set_acceleration($self->print_config->default_acceleration);
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}
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}
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$gcode .= $self->move_z($layer->print_z);
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return $gcode;
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}
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# this method accepts Z in unscaled coordinates
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sub move_z {
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my ($self, $z, $comment) = @_;
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my $gcode = "";
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$z += $self->print_config->z_offset;
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my $current_z = $self->z;
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my $nominal_z = defined $current_z ? ($current_z - $self->lifted) : undef;
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if (!defined $current_z || $z > $current_z || $z < $nominal_z) {
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# we're moving above the current actual Z (so above the lift height of the current
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# layer if any) or below the current nominal layer
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# in both cases, we're going to the nominal Z of the next layer
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$self->lifted(0);
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if ($self->extruder->retract_layer_change) {
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# this retraction may alter $self->z
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$gcode .= $self->retract(move_z => $z);
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$current_z = $self->z; # update current z in case retract() changed it
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$nominal_z = defined $current_z ? ($current_z - $self->lifted) : undef;
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}
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$self->speed('travel');
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$gcode .= $self->G0(undef, $z, 0, $comment || ('move to next layer (' . $self->layer->id . ')'))
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if !defined $current_z || abs($z - $nominal_z) > epsilon;
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} elsif ($z < $current_z) {
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# we're moving above the current nominal layer height and below the current actual one.
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# we're basically advancing to next layer, whose nominal Z is still lower than the previous
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# layer Z with lift.
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$self->lifted($current_z - $z);
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}
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return $gcode;
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}
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sub extrude {
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my $self = shift;
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$_[0]->isa('Slic3r::ExtrusionLoop')
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? $self->extrude_loop(@_)
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: $self->extrude_path(@_);
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}
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sub extrude_loop {
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my ($self, $loop, $description) = @_;
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# extrude all loops ccw
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my $was_clockwise = $loop->make_counter_clockwise;
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my $polygon = $loop->polygon;
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# find candidate starting points
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# start looking for concave vertices not being overhangs
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my @concave = ();
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if ($self->print_config->start_perimeters_at_concave_points) {
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@concave = $polygon->concave_points;
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}
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my @candidates = ();
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if ($self->print_config->start_perimeters_at_non_overhang) {
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@candidates = grep !$self->_layer_overhangs->contains_point($_), @concave;
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}
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if (!@candidates) {
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# if none, look for any concave vertex
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@candidates = @concave;
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if (!@candidates) {
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# if none, look for any non-overhang vertex
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if ($self->print_config->start_perimeters_at_non_overhang) {
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@candidates = grep !$self->_layer_overhangs->contains_point($_), @$polygon;
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}
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if (!@candidates) {
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# if none, all points are valid candidates
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@candidates = @{$polygon};
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}
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}
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}
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# find the point of the loop that is closest to the current extruder position
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# or randomize if requested
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my $last_pos = $self->last_pos;
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if ($self->print_config->randomize_start && $loop->role == EXTR_ROLE_CONTOUR_INTERNAL_PERIMETER) {
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$last_pos = Slic3r::Point->new(scale $self->print_config->print_center->[X], scale $self->print_config->bed_size->[Y]);
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$last_pos->rotate(rand(2*PI), $self->print_config->print_center);
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}
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# split the loop at the starting point and make a path
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my $start_at = $last_pos->nearest_point(\@candidates);
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my $extrusion_path = $loop->split_at($start_at);
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# clip the path to avoid the extruder to get exactly on the first point of the loop;
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# if polyline was shorter than the clipping distance we'd get a null polyline, so
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# we discard it in that case
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$extrusion_path->clip_end(scale $extrusion_path->flow_spacing * &Slic3r::LOOP_CLIPPING_LENGTH_OVER_SPACING)
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if $self->enable_loop_clipping;
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return '' if !@{$extrusion_path->polyline};
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my @paths = ();
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# detect overhanging/bridging perimeters
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if ($self->layer->print->config->overhangs && $extrusion_path->is_perimeter && $self->_layer_overhangs->count > 0) {
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# get non-overhang paths by subtracting overhangs from the loop
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push @paths,
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map $_->clone,
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@{$extrusion_path->subtract_expolygons($self->_layer_overhangs)};
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# get overhang paths by intersecting overhangs with the loop
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push @paths,
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map {
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$_->role(EXTR_ROLE_OVERHANG_PERIMETER);
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$_->flow_spacing($self->region->flow(FLOW_ROLE_PERIMETER, undef, 1)->width);
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$_
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}
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map $_->clone,
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@{$extrusion_path->intersect_expolygons($self->_layer_overhangs)};
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# reapply the nearest point search for starting point
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# (clone because the collection gets DESTROY'ed)
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my $collection = Slic3r::ExtrusionPath::Collection->new(@paths);
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@paths = map $_->clone, @{$collection->chained_path_from($start_at, 1)};
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} else {
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push @paths, $extrusion_path;
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}
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# apply the small perimeter speed
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my %params = ();
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if ($extrusion_path->is_perimeter && abs($extrusion_path->length) <= &Slic3r::SMALL_PERIMETER_LENGTH) {
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$params{speed} = 'small_perimeter';
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}
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# extrude along the path
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my $gcode = join '', map $self->extrude_path($_, $description, %params), @paths;
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$self->wipe_path($extrusion_path->polyline->clone) if $self->enable_wipe;
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# make a little move inwards before leaving loop
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if ($loop->role == EXTR_ROLE_EXTERNAL_PERIMETER && defined $self->layer && $self->region->config->perimeters > 1) {
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# detect angle between last and first segment
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# the side depends on the original winding order of the polygon (left for contours, right for holes)
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my @points = $was_clockwise ? (-2, 1) : (1, -2);
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my $angle = Slic3r::Geometry::angle3points(@{$extrusion_path->polyline}[0, @points]) / 3;
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$angle *= -1 if $was_clockwise;
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# create the destination point along the first segment and rotate it
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# we make sure we don't exceed the segment length because we don't know
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# the rotation of the second segment so we might cross the object boundary
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my $first_segment = Slic3r::Line->new(@{$extrusion_path->polyline}[0,1]);
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my $distance = min(scale $extrusion_path->flow_spacing, $first_segment->length);
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my $point = $first_segment->point_at($distance);
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$point->rotate($angle, $extrusion_path->first_point);
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# generate the travel move
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$gcode .= $self->travel_to($point, $loop->role, "move inwards before travel");
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}
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return $gcode;
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}
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sub extrude_path {
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my ($self, $path, $description, %params) = @_;
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$path->simplify(&Slic3r::SCALED_RESOLUTION);
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# go to first point of extrusion path
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my $gcode = "";
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{
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my $first_point = $path->first_point;
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$gcode .= $self->travel_to($first_point, $path->role, "move to first $description point")
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if !defined $self->last_pos || !$self->last_pos->coincides_with($first_point);
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}
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# compensate retraction
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$gcode .= $self->unretract;
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# adjust acceleration
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my $acceleration;
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if (!$self->print_config->first_layer_acceleration || $self->layer->id != 0) {
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if ($self->print_config->perimeter_acceleration && $path->is_perimeter) {
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$acceleration = $self->print_config->perimeter_acceleration;
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} elsif ($self->print_config->infill_acceleration && $path->is_fill) {
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$acceleration = $self->print_config->infill_acceleration;
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} elsif ($self->print_config->infill_acceleration && $path->is_bridge) {
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$acceleration = $self->print_config->bridge_acceleration;
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}
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$gcode .= $self->set_acceleration($acceleration) if $acceleration;
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}
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my $area; # mm^3 of extrudate per mm of tool movement
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if ($path->is_bridge) {
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my $s = $path->flow_spacing;
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$area = ($s**2) * PI/4;
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} else {
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my $s = $path->flow_spacing;
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my $h = (defined $path->height && $path->height != -1) ? $path->height : $self->layer->height;
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$area = $self->extruder->mm3_per_mm($s, $h);
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}
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# calculate extrusion length per distance unit
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my $e = $self->extruder->e_per_mm3 * $area;
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$e = 0 if !$self->_extrusion_axis;
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# set speed
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$self->speed( $params{speed} || $role_speeds{$path->role} || die "Unknown role: " . $path->role );
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my $F = $self->speeds->{$self->speed} // $self->speed;
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if ($self->layer->id == 0) {
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$F = $self->print_config->get_abs_value_over('first_layer_speed', $F/60) * 60;
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}
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# extrude arc or line
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$gcode .= ";_BRIDGE_FAN_START\n" if $path->is_bridge;
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my $path_length = 0;
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{
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my $local_F = $F;
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foreach my $line (@{$path->lines}) {
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$path_length += my $line_length = unscale $line->length;
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# calculate extrusion length for this line
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my $E = 0;
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$E = $self->extruder->extrude($e * $line_length) if $e;
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# compose G-code line
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my $point = $line->b;
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$gcode .= sprintf "G1 X%.3f Y%.3f",
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($point->x * &Slic3r::SCALING_FACTOR) + $self->shift_x - $self->extruder->extruder_offset->[X],
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($point->y * &Slic3r::SCALING_FACTOR) + $self->shift_y - $self->extruder->extruder_offset->[Y]; #**
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$gcode .= sprintf(" %s%.5f", $self->_extrusion_axis, $E)
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if $E;
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$gcode .= " F$local_F"
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if $local_F;
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$gcode .= " ; $description"
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if $self->print_config->gcode_comments;
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$gcode .= "\n";
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# only include F in the first line
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$local_F = 0;
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}
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if ($self->enable_wipe) {
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$self->wipe_path($path->polyline->clone);
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$self->wipe_path->reverse;
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}
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}
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$gcode .= ";_BRIDGE_FAN_END\n" if $path->is_bridge;
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$self->last_pos($path->last_point);
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if ($self->print_config->cooling) {
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my $path_time = $path_length / $F * 60;
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$self->elapsed_time($self->elapsed_time + $path_time);
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}
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# reset acceleration
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$gcode .= $self->set_acceleration($self->print_config->default_acceleration)
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if $acceleration && $self->print_config->default_acceleration;
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return $gcode;
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}
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sub travel_to {
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my ($self, $point, $role, $comment) = @_;
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my $gcode = "";
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my $travel = Slic3r::Line->new($self->last_pos, $point);
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# move travel back to original layer coordinates for the island check.
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# note that we're only considering the current object's islands, while we should
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# build a more complete configuration space
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$travel->translate(-$self->shift_x, -$self->shift_y);
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# skip retraction if the travel move is contained in an island in the current layer
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# *and* in an island in the upper layer (so that the ooze will not be visible)
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if ($travel->length < scale $self->extruder->retract_before_travel
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|| ($self->print_config->only_retract_when_crossing_perimeters
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&& (first { $_->contains_line($travel) } @{$self->_upper_layer_islands})
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&& (first { $_->contains_line($travel) } @{$self->_layer_islands}))
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|| (defined $role && $role == EXTR_ROLE_SUPPORTMATERIAL && (first { $_->contains_line($travel) } @{$self->layer->support_islands}))
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) {
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$self->straight_once(0);
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$self->speed('travel');
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$gcode .= $self->G0($point, undef, 0, $comment || "");
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} elsif (!$self->print_config->avoid_crossing_perimeters || $self->straight_once) {
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$self->straight_once(0);
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$gcode .= $self->retract;
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$self->speed('travel');
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$gcode .= $self->G0($point, undef, 0, $comment || "");
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} else {
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if ($self->new_object) {
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$self->new_object(0);
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# represent $point in G-code coordinates
|
|
$point = $point->clone;
|
|
my @shift = ($self->shift_x, $self->shift_y);
|
|
$point->translate(map scale $_, @shift);
|
|
|
|
# calculate path (external_mp uses G-code coordinates so we temporary need a null shift)
|
|
$self->set_shift(0,0);
|
|
$gcode .= $self->_plan($self->external_mp, $point, $comment);
|
|
$self->set_shift(@shift);
|
|
} else {
|
|
$gcode .= $self->_plan($self->layer_mp, $point, $comment);
|
|
}
|
|
}
|
|
|
|
return $gcode;
|
|
}
|
|
|
|
sub _plan {
|
|
my ($self, $mp, $point, $comment) = @_;
|
|
|
|
my $gcode = "";
|
|
my @travel = @{$mp->shortest_path($self->last_pos, $point)->lines};
|
|
|
|
# if the path is not contained in a single island we need to retract
|
|
my $need_retract = !$self->print_config->only_retract_when_crossing_perimeters;
|
|
if (!$need_retract) {
|
|
$need_retract = 1;
|
|
foreach my $island (@{$self->_upper_layer_islands}) {
|
|
# discard the island if at any line is not enclosed in it
|
|
next if first { !$island->contains_line($_) } @travel;
|
|
# okay, this island encloses the full travel path
|
|
$need_retract = 0;
|
|
last;
|
|
}
|
|
}
|
|
|
|
# do the retract (the travel_to argument is broken)
|
|
$gcode .= $self->retract if $need_retract;
|
|
|
|
# append the actual path and return
|
|
$self->speed('travel');
|
|
# use G1 because we rely on paths being straight (G0 may make round paths)
|
|
$gcode .= join '', map $self->G1($_->b, undef, 0, $comment || ""), @travel;
|
|
return $gcode;
|
|
}
|
|
|
|
sub retract {
|
|
my ($self, %params) = @_;
|
|
|
|
# get the retraction length and abort if none
|
|
my ($length, $restart_extra, $comment) = $params{toolchange}
|
|
? ($self->extruder->retract_length_toolchange, $self->extruder->retract_restart_extra_toolchange, "retract for tool change")
|
|
: ($self->extruder->retract_length, $self->extruder->retract_restart_extra, "retract");
|
|
|
|
# if we already retracted, reduce the required amount of retraction
|
|
$length -= $self->extruder->retracted;
|
|
return "" unless $length > 0;
|
|
my $gcode = "";
|
|
|
|
# wipe
|
|
my $wipe_path;
|
|
if ($self->extruder->wipe && $self->wipe_path) {
|
|
my @points = @{$self->wipe_path};
|
|
$wipe_path = Slic3r::Polyline->new($self->last_pos, @{$self->wipe_path}[1..$#{$self->wipe_path}]);
|
|
$wipe_path->clip_end($wipe_path->length - $self->extruder->scaled_wipe_distance($self->print_config->travel_speed));
|
|
}
|
|
|
|
# prepare moves
|
|
my $retract = [undef, undef, -$length, $comment];
|
|
my $lift = ($self->_retract_lift == 0 || defined $params{move_z}) && !$self->lifted
|
|
? undef
|
|
: [undef, $self->z + $self->_retract_lift, 0, 'lift plate during travel'];
|
|
|
|
# check that we have a positive wipe length
|
|
if ($wipe_path) {
|
|
$self->speed($self->speeds->{travel} * 0.8);
|
|
|
|
# subdivide the retraction
|
|
my $retracted = 0;
|
|
foreach my $line (@{$wipe_path->lines}) {
|
|
my $segment_length = $line->length;
|
|
# reduce retraction length a bit to avoid effective retraction speed to be greater than the configured one
|
|
# due to rounding
|
|
my $e = $retract->[2] * ($segment_length / $self->extruder->scaled_wipe_distance($self->print_config->travel_speed)) * 0.95;
|
|
$retracted += $e;
|
|
$gcode .= $self->G1($line->b, undef, $e, $retract->[3] . ";_WIPE");
|
|
}
|
|
if ($retracted > $retract->[2]) {
|
|
# if we retracted less than we had to, retract the remainder
|
|
# TODO: add regression test
|
|
$self->speed('retract');
|
|
$gcode .= $self->G1(undef, undef, $retract->[2] - $retracted, $comment);
|
|
}
|
|
} elsif ($self->print_config->use_firmware_retraction) {
|
|
$gcode .= "G10 ; retract\n";
|
|
} else {
|
|
$self->speed('retract');
|
|
$gcode .= $self->G1(@$retract);
|
|
}
|
|
if (!$self->lifted) {
|
|
$self->speed('travel');
|
|
if (defined $params{move_z} && $self->_retract_lift > 0) {
|
|
my $travel = [undef, $params{move_z} + $self->_retract_lift, 0, 'move to next layer (' . $self->layer->id . ') and lift'];
|
|
$gcode .= $self->G0(@$travel);
|
|
$self->lifted($self->_retract_lift);
|
|
} elsif ($lift) {
|
|
$gcode .= $self->G1(@$lift);
|
|
}
|
|
}
|
|
$self->extruder->retracted($self->extruder->retracted + $length);
|
|
$self->extruder->restart_extra($restart_extra);
|
|
$self->lifted($self->_retract_lift) if $lift;
|
|
|
|
# reset extrusion distance during retracts
|
|
# this makes sure we leave sufficient precision in the firmware
|
|
$gcode .= $self->reset_e;
|
|
|
|
$gcode .= "M103 ; extruder off\n" if $self->print_config->gcode_flavor eq 'makerware';
|
|
|
|
return $gcode;
|
|
}
|
|
|
|
sub unretract {
|
|
my ($self) = @_;
|
|
|
|
my $gcode = "";
|
|
$gcode .= "M101 ; extruder on\n" if $self->print_config->gcode_flavor eq 'makerware';
|
|
|
|
if ($self->lifted) {
|
|
$self->speed('travel');
|
|
$gcode .= $self->G0(undef, $self->z - $self->lifted, 0, 'restore layer Z');
|
|
$self->lifted(0);
|
|
}
|
|
|
|
my $to_unretract = $self->extruder->retracted + $self->extruder->restart_extra;
|
|
if ($to_unretract) {
|
|
$self->speed('retract');
|
|
if ($self->print_config->use_firmware_retraction) {
|
|
$gcode .= "G11 ; unretract\n";
|
|
} elsif ($self->_extrusion_axis) {
|
|
# use G1 instead of G0 because G0 will blend the restart with the previous travel move
|
|
$gcode .= sprintf "G1 %s%.5f F%.3f",
|
|
$self->_extrusion_axis,
|
|
$self->extruder->extrude($to_unretract),
|
|
$self->extruder->retract_speed_mm_min;
|
|
$gcode .= " ; compensate retraction" if $self->print_config->gcode_comments;
|
|
$gcode .= "\n";
|
|
}
|
|
$self->extruder->retracted(0);
|
|
$self->extruder->restart_extra(0);
|
|
}
|
|
|
|
return $gcode;
|
|
}
|
|
|
|
sub reset_e {
|
|
my ($self) = @_;
|
|
return "" if $self->print_config->gcode_flavor =~ /^(?:mach3|makerware|sailfish)$/;
|
|
|
|
$self->extruder->E(0) if $self->extruder;
|
|
return sprintf "G92 %s0%s\n", $self->_extrusion_axis, ($self->print_config->gcode_comments ? ' ; reset extrusion distance' : '')
|
|
if $self->_extrusion_axis && !$self->print_config->use_relative_e_distances;
|
|
}
|
|
|
|
sub set_acceleration {
|
|
my ($self, $acceleration) = @_;
|
|
return "" if !$acceleration;
|
|
|
|
return sprintf "M204 S%s%s\n",
|
|
$acceleration, ($self->print_config->gcode_comments ? ' ; adjust acceleration' : '');
|
|
}
|
|
|
|
sub G0 {
|
|
my $self = shift;
|
|
return $self->G1(@_) if !($self->print_config->g0 || $self->print_config->gcode_flavor eq 'mach3');
|
|
return $self->_G0_G1("G0", @_);
|
|
}
|
|
|
|
sub G1 {
|
|
my $self = shift;
|
|
return $self->_G0_G1("G1", @_);
|
|
}
|
|
|
|
sub _G0_G1 {
|
|
my ($self, $gcode, $point, $z, $e, $comment) = @_;
|
|
|
|
if ($point) {
|
|
$gcode .= sprintf " X%.3f Y%.3f",
|
|
($point->x * &Slic3r::SCALING_FACTOR) + $self->shift_x - $self->extruder->extruder_offset->[X],
|
|
($point->y * &Slic3r::SCALING_FACTOR) + $self->shift_y - $self->extruder->extruder_offset->[Y]; #**
|
|
$self->last_pos($point->clone);
|
|
}
|
|
if (defined $z && (!defined $self->z || $z != $self->z)) {
|
|
$self->z($z);
|
|
$gcode .= sprintf " Z%.3f", $z;
|
|
}
|
|
|
|
return $self->_Gx($gcode, $e, $comment);
|
|
}
|
|
|
|
sub _Gx {
|
|
my ($self, $gcode, $e, $comment) = @_;
|
|
|
|
my $F = $self->speed eq 'retract'
|
|
? ($self->extruder->retract_speed_mm_min)
|
|
: $self->speeds->{$self->speed} // $self->speed;
|
|
$self->last_speed($self->speed);
|
|
$self->last_f($F);
|
|
$gcode .= sprintf " F%.3f", $F;
|
|
|
|
# output extrusion distance
|
|
if ($e && $self->_extrusion_axis) {
|
|
$gcode .= sprintf " %s%.5f", $self->_extrusion_axis, $self->extruder->extrude($e);
|
|
}
|
|
|
|
$gcode .= " ; $comment" if $comment && $self->print_config->gcode_comments;
|
|
return "$gcode\n";
|
|
}
|
|
|
|
sub set_extruder {
|
|
my ($self, $extruder) = @_;
|
|
|
|
# return nothing if this extruder was already selected
|
|
return "" if (defined $self->extruder) && ($self->extruder->id == $extruder->id);
|
|
|
|
# if we are running a single-extruder setup, just set the extruder and return nothing
|
|
if (!$self->multiple_extruders) {
|
|
$self->extruder($extruder);
|
|
return "";
|
|
}
|
|
|
|
# trigger retraction on the current extruder (if any)
|
|
my $gcode = "";
|
|
$gcode .= $self->retract(toolchange => 1) if defined $self->extruder;
|
|
|
|
# append custom toolchange G-code
|
|
if (defined $self->extruder && $self->print_config->toolchange_gcode) {
|
|
$gcode .= sprintf "%s\n", $self->replace_variables($self->print_config->toolchange_gcode, {
|
|
previous_extruder => $self->extruder->id,
|
|
next_extruder => $extruder->id,
|
|
});
|
|
}
|
|
|
|
# set the current extruder to the standby temperature
|
|
if ($self->standby_points && defined $self->extruder) {
|
|
# move to the nearest standby point
|
|
$gcode .= $self->travel_to($self->last_pos->nearest_point($self->standby_points));
|
|
|
|
my $temp = defined $self->layer && $self->layer->id == 0
|
|
? $self->extruder->first_layer_temperature
|
|
: $self->extruder->temperature;
|
|
# we assume that heating is always slower than cooling, so no need to block
|
|
$gcode .= $self->set_temperature($temp + $self->print_config->standby_temperature_delta, 0);
|
|
}
|
|
|
|
# set the new extruder
|
|
$self->extruder($extruder);
|
|
$gcode .= sprintf "%s%d%s\n",
|
|
($self->print_config->gcode_flavor eq 'makerware'
|
|
? 'M135 T'
|
|
: $self->print_config->gcode_flavor eq 'sailfish'
|
|
? 'M108 T'
|
|
: 'T'),
|
|
$extruder->id,
|
|
($self->print_config->gcode_comments ? ' ; change extruder' : '');
|
|
|
|
$gcode .= $self->reset_e;
|
|
|
|
# set the new extruder to the operating temperature
|
|
if ($self->print_config->ooze_prevention) {
|
|
my $temp = defined $self->layer && $self->layer->id == 0
|
|
? $self->extruder->first_layer_temperature
|
|
: $self->extruder->temperature;
|
|
$gcode .= $self->set_temperature($temp, 1);
|
|
}
|
|
|
|
return $gcode;
|
|
}
|
|
|
|
sub set_fan {
|
|
my ($self, $speed, $dont_save) = @_;
|
|
|
|
if ($self->last_fan_speed != $speed || $dont_save) {
|
|
$self->last_fan_speed($speed) if !$dont_save;
|
|
if ($speed == 0) {
|
|
my $code = $self->print_config->gcode_flavor eq 'teacup'
|
|
? 'M106 S0'
|
|
: $self->print_config->gcode_flavor =~ /^(?:makerware|sailfish)$/
|
|
? 'M127'
|
|
: 'M107';
|
|
return sprintf "$code%s\n", ($self->print_config->gcode_comments ? ' ; disable fan' : '');
|
|
} else {
|
|
if ($self->print_config->gcode_flavor =~ /^(?:makerware|sailfish)$/) {
|
|
return sprintf "M126%s\n", ($self->print_config->gcode_comments ? ' ; enable fan' : '');
|
|
} else {
|
|
return sprintf "M106 %s%d%s\n", ($self->print_config->gcode_flavor eq 'mach3' ? 'P' : 'S'),
|
|
(255 * $speed / 100), ($self->print_config->gcode_comments ? ' ; enable fan' : '');
|
|
}
|
|
}
|
|
}
|
|
return "";
|
|
}
|
|
|
|
sub set_temperature {
|
|
my ($self, $temperature, $wait, $tool) = @_;
|
|
|
|
return "" if $wait && $self->print_config->gcode_flavor =~ /^(?:makerware|sailfish)$/;
|
|
|
|
my ($code, $comment) = ($wait && $self->print_config->gcode_flavor ne 'teacup')
|
|
? ('M109', 'wait for temperature to be reached')
|
|
: ('M104', 'set temperature');
|
|
my $gcode = sprintf "$code %s%d %s; $comment\n",
|
|
($self->print_config->gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature,
|
|
(defined $tool && ($self->multiple_extruders || $self->print_config->gcode_flavor =~ /^(?:makerware|sailfish)$/)) ? "T$tool " : "";
|
|
|
|
$gcode .= "M116 ; wait for temperature to be reached\n"
|
|
if $self->print_config->gcode_flavor eq 'teacup' && $wait;
|
|
|
|
return $gcode;
|
|
}
|
|
|
|
sub set_bed_temperature {
|
|
my ($self, $temperature, $wait) = @_;
|
|
|
|
my ($code, $comment) = ($wait && $self->print_config->gcode_flavor ne 'teacup')
|
|
? (($self->print_config->gcode_flavor =~ /^(?:makerware|sailfish)$/ ? 'M109' : 'M190'), 'wait for bed temperature to be reached')
|
|
: ('M140', 'set bed temperature');
|
|
my $gcode = sprintf "$code %s%d ; $comment\n",
|
|
($self->print_config->gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature;
|
|
|
|
$gcode .= "M116 ; wait for bed temperature to be reached\n"
|
|
if $self->print_config->gcode_flavor eq 'teacup' && $wait;
|
|
|
|
return $gcode;
|
|
}
|
|
|
|
sub replace_variables {
|
|
my ($self, $string, $extra) = @_;
|
|
return $self->print_config->replace_options($string, { %{$self->extra_variables}, %{ $extra || {} } });
|
|
}
|
|
|
|
1;
|