701 lines
28 KiB
Perl
701 lines
28 KiB
Perl
package Slic3r::GCode;
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use Moo;
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use List::Util qw(min max first);
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use Slic3r::ExtrusionLoop ':roles';
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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 offset_ex);
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use Slic3r::Surface ':types';
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has 'config' => (is => 'ro', default => sub { Slic3r::Config::Full->new });
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has 'placeholder_parser' => (is => 'rw', default => sub { Slic3r::GCode::PlaceholderParser->new });
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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 => 'rw', default => sub {0}); # at least one extruder has wipe enabled
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has 'layer_count' => (is => 'ro', required => 1 );
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has '_layer_index' => (is => 'rw', default => sub {-1}); # just a counter
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has 'layer' => (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 '_seam_position' => (is => 'ro', default => sub { {} }); # $object => pos
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has 'shift_x' => (is => 'rw', default => sub {0} );
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has 'shift_y' => (is => 'rw', default => sub {0} );
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has 'z' => (is => 'rw');
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has 'extruders' => (is => 'ro', default => sub {{}});
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has 'multiple_extruders' => (is => 'rw', default => sub {0});
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has 'extruder' => (is => 'rw');
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has 'external_mp' => (is => 'rw');
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has 'layer_mp' => (is => 'rw');
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has 'new_object' => (is => 'rw', default => sub {0});
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has 'straight_once' => (is => 'rw', default => sub {1});
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has 'elapsed_time' => (is => 'rw', default => sub {0} ); # seconds
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has 'lifted' => (is => 'rw', default => sub {0} );
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has 'last_pos' => (is => 'rw', default => sub { Slic3r::Point->new(0,0) } );
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has 'last_fan_speed' => (is => 'rw', default => sub {0});
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has 'wipe_path' => (is => 'rw');
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sub set_extruders {
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my ($self, $extruder_ids, $print_config) = @_;
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foreach my $i (@$extruder_ids) {
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$self->extruders->{$i} = my $e = Slic3r::Extruder->new($i, $print_config);
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$self->enable_wipe(1) if $e->wipe;
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}
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# we enable support for multiple extruder if any extruder greater than 0 is used
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# (even if prints only uses that one) since we need to output Tx commands
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# first extruder has index 0
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$self->multiple_extruders(max(@$extruder_ids) > 0);
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}
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sub set_shift {
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my ($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($layer);
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$self->_layer_index($self->_layer_index + 1);
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# avoid computing islands and overhangs if they're not needed
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$self->_layer_islands($layer->islands);
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$self->_upper_layer_islands($layer->upper_layer ? $layer->upper_layer->islands : []);
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if ($self->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->config->gcode_flavor =~ /^(?:makerware|sailfish)$/) {
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# TODO: cap this to 99% and add an explicit M73 P100 in the end G-code
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$gcode .= sprintf "M73 P%s%s\n",
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int(99 * ($self->_layer_index / ($self->layer_count - 1))),
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($self->config->gcode_comments ? ' ; update progress' : '');
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}
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if ($self->config->first_layer_acceleration) {
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if ($layer->id == 0) {
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$gcode .= $self->set_acceleration($self->config->first_layer_acceleration);
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} elsif ($layer->id == 1) {
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$gcode .= $self->set_acceleration($self->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->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 - $self->lifted) : undef;
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}
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$gcode .= $self->G0(undef, $z, 0, $self->config->travel_speed*60, $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, $speed) = @_;
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# make a copy; don't modify the orientation of the original loop object otherwise
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# next copies (if any) would not detect the correct orientation
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$loop = $loop->clone;
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# extrude all loops ccw
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my $was_clockwise = $loop->make_counter_clockwise;
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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->config->spiral_vase) {
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$loop->split_at($last_pos);
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} elsif ($self->config->seam_position eq 'nearest' || $self->config->seam_position eq 'aligned') {
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# simplify polygon in order to skip false positives in concave/convex detection
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my $polygon = $loop->polygon;
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my @simplified = @{$polygon->simplify(scale $self->extruder->nozzle_diameter/2)};
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# concave vertices have priority
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my @candidates = map @{$_->concave_points(PI*4/3)}, @simplified;
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# if no concave points were found, look for convex vertices
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@candidates = map @{$_->convex_points(PI*2/3)}, @simplified if !@candidates;
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# retrieve the last start position for this object
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my $obj_ptr;
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if (defined $self->layer) {
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$obj_ptr = $self->layer->object->ptr;
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if (defined $self->_seam_position->{$self->layer->object}) {
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$last_pos = $self->_seam_position->{$obj_ptr};
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}
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}
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my $point;
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if ($self->config->seam_position eq 'nearest') {
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@candidates = @$polygon if !@candidates;
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$point = $last_pos->nearest_point(\@candidates);
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$loop->split_at_vertex($point);
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} elsif (@candidates) {
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my @non_overhang = grep !$loop->has_overhang_point($_), @candidates;
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@candidates = @non_overhang if @non_overhang;
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$point = $last_pos->nearest_point(\@candidates);
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$loop->split_at_vertex($point);
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} else {
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$point = $last_pos->projection_onto_polygon($polygon);
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$loop->split_at($point);
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}
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$self->_seam_position->{$obj_ptr} = $point;
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} elsif ($self->config->seam_position eq 'random') {
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if ($loop->role == EXTRL_ROLE_CONTOUR_INTERNAL_PERIMETER) {
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my $polygon = $loop->polygon;
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my $centroid = $polygon->centroid;
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$last_pos = Slic3r::Point->new($polygon->bounding_box->x_max, $centroid->y); #))
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$last_pos->rotate(rand(2*PI), $centroid);
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}
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$loop->split_at($last_pos);
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}
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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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my $clip_length = $self->enable_loop_clipping
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? scale($self->extruder->nozzle_diameter) * &Slic3r::LOOP_CLIPPING_LENGTH_OVER_NOZZLE_DIAMETER
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: 0;
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# get paths
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my @paths = @{$loop->clip_end($clip_length)};
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return '' if !@paths;
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# apply the small perimeter speed
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if ($paths[0]->is_perimeter && $loop->length <= &Slic3r::SMALL_PERIMETER_LENGTH) {
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$speed //= $self->config->get_abs_value('small_perimeter_speed');
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}
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$speed //= -1;
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# extrude along the path
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my $gcode = join '', map $self->extrude_path($_, $description, $speed), @paths;
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$self->wipe_path($paths[-1]->polyline->clone) if $self->enable_wipe; # TODO: don't limit wipe to last path
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# make a little move inwards before leaving loop
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if ($paths[-1]->role == EXTR_ROLE_EXTERNAL_PERIMETER && defined $self->layer && $self->config->perimeters > 1) {
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my $last_path_polyline = $paths[-1]->polyline;
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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 $angle = Slic3r::Geometry::angle3points(@$last_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 $first_segment = Slic3r::Line->new(@$last_path_polyline[0,1]);
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my $distance = min(scale($self->extruder->nozzle_diameter), $first_segment->length);
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my $point = $first_segment->point_at($distance);
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$point->rotate($angle, $last_path_polyline->first_point);
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# generate the travel move
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$gcode .= $self->travel_to($point, $paths[-1]->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, $speed) = @_;
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$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->config->first_layer_acceleration || $self->layer->id != 0) {
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if ($self->config->perimeter_acceleration && $path->is_perimeter) {
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$acceleration = $self->config->perimeter_acceleration;
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} elsif ($self->config->infill_acceleration && $path->is_fill) {
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$acceleration = $self->config->infill_acceleration;
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} elsif ($self->config->infill_acceleration && $path->is_bridge) {
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$acceleration = $self->config->bridge_acceleration;
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}
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$gcode .= $self->set_acceleration($acceleration) if $acceleration;
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}
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# calculate extrusion length per distance unit
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my $e = $self->extruder->e_per_mm3 * $path->mm3_per_mm;
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$e = 0 if !$self->config->get_extrusion_axis;
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# set speed
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my $F;
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if ($path->role == EXTR_ROLE_PERIMETER) {
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$F = $self->config->get_abs_value('perimeter_speed');
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} elsif ($path->role == EXTR_ROLE_EXTERNAL_PERIMETER) {
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$F = $self->config->get_abs_value('external_perimeter_speed');
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} elsif ($path->role == EXTR_ROLE_OVERHANG_PERIMETER || $path->role == EXTR_ROLE_BRIDGE) {
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$F = $self->config->get_abs_value('bridge_speed');
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} elsif ($path->role == EXTR_ROLE_FILL) {
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$F = $self->config->get_abs_value('infill_speed');
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} elsif ($path->role == EXTR_ROLE_SOLIDFILL) {
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$F = $self->config->get_abs_value('solid_infill_speed');
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} elsif ($path->role == EXTR_ROLE_TOPSOLIDFILL) {
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$F = $self->config->get_abs_value('top_solid_infill_speed');
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} elsif ($path->role == EXTR_ROLE_GAPFILL) {
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$F = $self->config->get_abs_value('gap_fill_speed');
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} else {
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$F = $speed // -1;
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die "Invalid speed" if $F < 0; # $speed == -1
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}
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$F *= 60; # convert mm/sec to mm/min
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if ($self->layer->id == 0) {
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$F = $self->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 = unscale $path->length;
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{
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$gcode .= $path->gcode($self->extruder, $e, $F,
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$self->shift_x - $self->extruder->extruder_offset->x,
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$self->shift_y - $self->extruder->extruder_offset->y, #,,
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$self->config->get_extrusion_axis,
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$self->config->gcode_comments ? " ; $description" : "");
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if ($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->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->config->default_acceleration)
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if $acceleration && $self->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->config->only_retract_when_crossing_perimeters
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&& $self->config->fill_density > 0
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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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$gcode .= $self->G0($point, undef, 0, $self->config->travel_speed*60, $comment || "");
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} elsif (!$self->config->avoid_crossing_perimeters || $self->straight_once) {
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$self->straight_once(0);
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$gcode .= $self->retract;
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$gcode .= $self->G0($point, undef, 0, $self->config->travel_speed*60, $comment || "");
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} else {
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if ($self->new_object) {
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$self->new_object(0);
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# represent $point in G-code coordinates
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$point = $point->clone;
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my @shift = ($self->shift_x, $self->shift_y);
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$point->translate(map scale $_, @shift);
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# calculate path (external_mp uses G-code coordinates so we temporary need a null shift)
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$self->set_shift(0,0);
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$gcode .= $self->_plan($self->external_mp, $point, $comment);
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$self->set_shift(@shift);
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} else {
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$gcode .= $self->_plan($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, $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 $need_retract = !$self->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 $island (@{$self->_upper_layer_islands}) {
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# discard the island if at any line is not enclosed in it
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next if first { !$island->contains_line($_) } @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 if $need_retract;
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# append the actual path and return
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# use G1 because we rely on paths being straight (G0 may make round paths)
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$gcode .= join '', map $self->G1($_->b, undef, 0, $self->config->travel_speed*60, $comment || ""), @travel;
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return $gcode;
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}
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sub retract {
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my ($self, %params) = @_;
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# get the retraction length and abort if none
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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->config->travel_speed));
|
||
}
|
||
|
||
# prepare moves
|
||
my $retract = [undef, undef, -$length, $self->extruder->retract_speed_mm_min, $comment];
|
||
my $lift = ($self->config->retract_lift->[0] == 0 || defined $params{move_z}) && !$self->lifted
|
||
? undef
|
||
: [undef, $self->z + $self->config->retract_lift->[0], 0, $self->config->travel_speed*60, 'lift plate during travel'];
|
||
|
||
# check that we have a positive wipe length
|
||
if ($wipe_path) {
|
||
# 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->config->travel_speed)) * 0.95;
|
||
$retracted += $e;
|
||
$gcode .= $self->G1($line->b, undef, $e, $self->config->travel_speed*60*0.8, $retract->[3] . ";_WIPE");
|
||
}
|
||
if ($retracted > $retract->[2]) {
|
||
# if we retracted less than we had to, retract the remainder
|
||
# TODO: add regression test
|
||
$gcode .= $self->G1(undef, undef, $retract->[2] - $retracted, $self->extruder->retract_speed_mm_min, $comment);
|
||
}
|
||
} elsif ($self->config->use_firmware_retraction) {
|
||
$gcode .= "G10 ; retract\n";
|
||
} else {
|
||
$gcode .= $self->G1(@$retract);
|
||
}
|
||
if (!$self->lifted) {
|
||
if (defined $params{move_z} && $self->config->retract_lift->[0] > 0) {
|
||
my $travel = [undef, $params{move_z} + $self->config->retract_lift->[0], 0, $self->config->travel_speed*60, 'move to next layer (' . $self->layer->id . ') and lift'];
|
||
$gcode .= $self->G0(@$travel);
|
||
$self->lifted($self->config->retract_lift->[0]);
|
||
} elsif ($lift) {
|
||
$gcode .= $self->G1(@$lift);
|
||
}
|
||
}
|
||
$self->extruder->set_retracted($self->extruder->retracted + $length);
|
||
$self->extruder->set_restart_extra($restart_extra);
|
||
$self->lifted($self->config->retract_lift->[0]) 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->config->gcode_flavor eq 'makerware';
|
||
|
||
return $gcode;
|
||
}
|
||
|
||
sub unretract {
|
||
my ($self) = @_;
|
||
|
||
my $gcode = "";
|
||
$gcode .= "M101 ; extruder on\n" if $self->config->gcode_flavor eq 'makerware';
|
||
|
||
if ($self->lifted) {
|
||
$gcode .= $self->G0(undef, $self->z - $self->lifted, 0, $self->config->travel_speed*60, 'restore layer Z');
|
||
$self->lifted(0);
|
||
}
|
||
|
||
my $to_unretract = $self->extruder->retracted + $self->extruder->restart_extra;
|
||
if ($to_unretract) {
|
||
if ($self->config->use_firmware_retraction) {
|
||
$gcode .= "G11 ; unretract\n";
|
||
} elsif ($self->config->get_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->config->get_extrusion_axis,
|
||
$self->extruder->extrude($to_unretract),
|
||
$self->extruder->retract_speed_mm_min;
|
||
$gcode .= " ; compensate retraction" if $self->config->gcode_comments;
|
||
$gcode .= "\n";
|
||
}
|
||
$self->extruder->set_retracted(0);
|
||
$self->extruder->set_restart_extra(0);
|
||
}
|
||
|
||
return $gcode;
|
||
}
|
||
|
||
sub reset_e {
|
||
my ($self) = @_;
|
||
return "" if $self->config->gcode_flavor =~ /^(?:mach3|makerware|sailfish)$/;
|
||
|
||
$self->extruder->set_E(0) if $self->extruder;
|
||
return sprintf "G92 %s0%s\n", $self->config->get_extrusion_axis, ($self->config->gcode_comments ? ' ; reset extrusion distance' : '')
|
||
if $self->config->get_extrusion_axis && !$self->config->use_relative_e_distances;
|
||
}
|
||
|
||
sub set_acceleration {
|
||
my ($self, $acceleration) = @_;
|
||
return "" if !$acceleration;
|
||
|
||
return sprintf "M204 S%s%s\n",
|
||
$acceleration, ($self->config->gcode_comments ? ' ; adjust acceleration' : '');
|
||
}
|
||
|
||
sub G0 {
|
||
my $self = shift;
|
||
return $self->G1(@_) if !($self->config->g0 || $self->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, $F, $comment) = @_;
|
||
|
||
if ($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, $F, $comment);
|
||
}
|
||
|
||
sub _Gx {
|
||
my ($self, $gcode, $e, $F, $comment) = @_;
|
||
|
||
$gcode .= sprintf " F%.3f", $F;
|
||
|
||
# output extrusion distance
|
||
if ($e && $self->config->get_extrusion_axis) {
|
||
$gcode .= sprintf " %s%.5f", $self->config->get_extrusion_axis, $self->extruder->extrude($e);
|
||
}
|
||
|
||
$gcode .= " ; $comment" if $comment && $self->config->gcode_comments;
|
||
return "$gcode\n";
|
||
}
|
||
|
||
sub set_extruder {
|
||
my ($self, $extruder_id) = @_;
|
||
|
||
# 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) {
|
||
$self->extruder($self->extruders->{$extruder_id});
|
||
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->config->toolchange_gcode) {
|
||
$gcode .= sprintf "%s\n", $self->placeholder_parser->process($self->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
|
||
{
|
||
my $last_pos = $self->last_pos->clone;
|
||
$last_pos->translate(scale +$self->shift_x, scale +$self->shift_y);
|
||
my $standby_point = $last_pos->nearest_point($self->standby_points);
|
||
$standby_point->translate(scale -$self->shift_x, scale -$self->shift_y);
|
||
$gcode .= $self->travel_to($standby_point);
|
||
}
|
||
|
||
if ($self->config->standby_temperature_delta != 0) {
|
||
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->config->standby_temperature_delta, 0);
|
||
}
|
||
}
|
||
|
||
# set the new extruder
|
||
$self->extruder($self->extruders->{$extruder_id});
|
||
$gcode .= sprintf "%s%d%s\n",
|
||
($self->config->gcode_flavor eq 'makerware'
|
||
? 'M135 T'
|
||
: $self->config->gcode_flavor eq 'sailfish'
|
||
? 'M108 T'
|
||
: 'T'),
|
||
$extruder_id,
|
||
($self->config->gcode_comments ? ' ; change extruder' : '');
|
||
|
||
$gcode .= $self->reset_e;
|
||
|
||
# set the new extruder to the operating temperature
|
||
if ($self->config->ooze_prevention && $self->config->standby_temperature_delta != 0) {
|
||
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->config->gcode_flavor eq 'teacup'
|
||
? 'M106 S0'
|
||
: $self->config->gcode_flavor =~ /^(?:makerware|sailfish)$/
|
||
? 'M127'
|
||
: 'M107';
|
||
return sprintf "$code%s\n", ($self->config->gcode_comments ? ' ; disable fan' : '');
|
||
} else {
|
||
if ($self->config->gcode_flavor =~ /^(?:makerware|sailfish)$/) {
|
||
return sprintf "M126%s\n", ($self->config->gcode_comments ? ' ; enable fan' : '');
|
||
} else {
|
||
return sprintf "M106 %s%d%s\n", ($self->config->gcode_flavor eq 'mach3' ? 'P' : 'S'),
|
||
(255 * $speed / 100), ($self->config->gcode_comments ? ' ; enable fan' : '');
|
||
}
|
||
}
|
||
}
|
||
return "";
|
||
}
|
||
|
||
sub set_temperature {
|
||
my ($self, $temperature, $wait, $tool) = @_;
|
||
|
||
return "" if $wait && $self->config->gcode_flavor =~ /^(?:makerware|sailfish)$/;
|
||
|
||
my ($code, $comment) = ($wait && $self->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->config->gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature,
|
||
(defined $tool && ($self->multiple_extruders || $self->config->gcode_flavor =~ /^(?:makerware|sailfish)$/)) ? "T$tool " : "";
|
||
|
||
$gcode .= "M116 ; wait for temperature to be reached\n"
|
||
if $self->config->gcode_flavor eq 'teacup' && $wait;
|
||
|
||
return $gcode;
|
||
}
|
||
|
||
sub set_bed_temperature {
|
||
my ($self, $temperature, $wait) = @_;
|
||
|
||
my ($code, $comment) = ($wait && $self->config->gcode_flavor ne 'teacup')
|
||
? (($self->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->config->gcode_flavor eq 'mach3' ? 'P' : 'S'), $temperature;
|
||
|
||
$gcode .= "M116 ; wait for bed temperature to be reached\n"
|
||
if $self->config->gcode_flavor eq 'teacup' && $wait;
|
||
|
||
return $gcode;
|
||
}
|
||
|
||
1;
|