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Ported more Slic3r::GCode methods to XS

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This commit is contained in:
Alessandro Ranellucci 2015-07-01 23:00:52 +02:00
parent 801f629fdc
commit b4019bb438
9 changed files with 237 additions and 165 deletions
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141
lib/Slic3r/GCode.pm
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@ -8,13 +8,6 @@ use Slic3r::ExtrusionPath ':roles';
use Slic3r::Geometry qw(epsilon scale unscale PI X Y B);
use Slic3r::Geometry::Clipper qw(union_ex);
sub apply_print_config {
my ($self, $print_config) = @_;
$self->writer->apply_print_config($print_config);
$self->config->apply_print_config($print_config);
}
sub set_extruders {
my ($self, $extruder_ids) = @_;
@ -24,34 +17,6 @@ sub set_extruders {
$self->wipe->set_enable(defined first { $self->config->get_at('wipe', $_) } @$extruder_ids);
}
sub set_origin {
my ($self, $pointf) = @_;
# if origin increases (goes towards right), last_pos decreases because it goes towards left
my @translate = (
scale ($self->origin->x - $pointf->x),
scale ($self->origin->y - $pointf->y), #-
);
$self->last_pos->translate(@translate);
$self->wipe->path->translate(@translate) if $self->wipe->has_path;
$self->_set_origin($pointf);
}
sub preamble {
my ($self) = @_;
my $gcode = $self->writer->preamble;
# Perform a *silent* move to z_offset: we need this to initialize the Z
# position of our writer object so that any initial lift taking place
# before the first layer change will raise the extruder from the correct
# initial Z instead of 0.
$self->writer->travel_to_z($self->config->z_offset, '');
return $gcode;
}
sub change_layer {
my ($self, $layer) = @_;
@ -348,7 +313,7 @@ sub travel_to {
if ($needs_retraction
&& $self->config->avoid_crossing_perimeters
&& !$self->avoid_crossing_perimeters->disable_once) {
$travel = $self->avoid_crossing_perimeters->travel_to($point, $self->origin, $self->last_pos);
$travel = $self->avoid_crossing_perimeters->travel_to($self, $point);
# check again whether the new travel path still needs a retraction
$needs_retraction = $self->needs_retraction($travel, $role);
@ -404,51 +369,6 @@ sub needs_retraction {
return 1;
}
sub retract {
my ($self, $toolchange) = @_;
return "" if !defined $self->writer->extruder;
my $gcode = "";
# wipe (if it's enabled for this extruder and we have a stored wipe path)
if ($self->config->get_at('wipe', $self->writer->extruder->id) && $self->wipe->has_path) {
$gcode .= $self->wipe->wipe($self, $toolchange);
}
# The parent class will decide whether we need to perform an actual retraction
# (the extruder might be already retracted fully or partially). We call these
# methods even if we performed wipe, since this will ensure the entire retraction
# length is honored in case wipe path was too short.p
$gcode .= $toolchange ? $self->writer->retract_for_toolchange : $self->writer->retract;
$gcode .= $self->writer->reset_e;
$gcode .= $self->writer->lift
if $self->writer->extruder->retract_length > 0 || $self->config->use_firmware_retraction;
return $gcode;
}
sub unretract {
my ($self) = @_;
my $gcode = "";
$gcode .= $self->writer->unlift;
$gcode .= $self->writer->unretract;
return $gcode;
}
# convert a model-space scaled point into G-code coordinates
sub point_to_gcode {
my ($self, $point) = @_;
my $extruder_offset = $self->config->get_at('extruder_offset', $self->writer->extruder->id);
return Slic3r::Pointf->new(
($point->x * &Slic3r::SCALING_FACTOR) + $self->origin->x - $extruder_offset->x,
($point->y * &Slic3r::SCALING_FACTOR) + $self->origin->y - $extruder_offset->y, #**
);
}
sub set_extruder {
my ($self, $extruder_id) = @_;
@ -535,63 +455,4 @@ sub post_toolchange {
return $gcode;
}
package Slic3r::GCode::Wipe;
use strict;
use warnings;
use Slic3r::Geometry qw(scale);
sub wipe {
my ($self, $gcodegen, $toolchange) = @_;
my $gcode = "";
# Reduce feedrate a bit; travel speed is often too high to move on existing material.
# Too fast = ripping of existing material; too slow = short wipe path, thus more blob.
my $wipe_speed = $gcodegen->writer->config->get('travel_speed') * 0.8;
# get the retraction length
my $length = $toolchange
? $gcodegen->writer->extruder->retract_length_toolchange
: $gcodegen->writer->extruder->retract_length;
if ($length) {
# Calculate how long we need to travel in order to consume the required
# amount of retraction. In other words, how far do we move in XY at $wipe_speed
# for the time needed to consume retract_length at retract_speed?
my $wipe_dist = scale($length / $gcodegen->writer->extruder->retract_speed * $wipe_speed);
# Take the stored wipe path and replace first point with the current actual position
# (they might be different, for example, in case of loop clipping).
my $wipe_path = Slic3r::Polyline->new(
$gcodegen->last_pos,
@{$self->path}[1..$#{$self->path}],
);
#
$wipe_path->clip_end($wipe_path->length - $wipe_dist);
# subdivide the retraction in segments
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 (TODO: test and/or better math for this)
my $dE = $length * ($segment_length / $wipe_dist) * 0.95;
$gcode .= $gcodegen->writer->set_speed($wipe_speed*60);
$gcode .= $gcodegen->writer->extrude_to_xy(
$gcodegen->point_to_gcode($line->b),
-$dE,
'wipe and retract' . ($gcodegen->enable_cooling_markers ? ';_WIPE' : ''),
);
$retracted += $dE;
}
$gcodegen->writer->extruder->set_retracted($gcodegen->writer->extruder->retracted + $retracted);
# prevent wiping again on same path
$self->reset_path;
}
return $gcode;
}
1;