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Ported GCode::set_extruder() and OozePrevention

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This commit is contained in:
Alessandro Ranellucci 2015-07-02 15:02:20 +02:00
parent 72355a9500
commit a6f4c8e567
4 changed files with 101 additions and 86 deletions
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86
lib/Slic3r/GCode.pm
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@ -334,90 +334,4 @@ sub travel_to {
return $gcode;
}
sub set_extruder {
my ($self, $extruder_id) = @_;
$self->placeholder_parser->set('current_extruder', $extruder_id);
return "" if !$self->writer->need_toolchange($extruder_id);
# if we are running a single-extruder setup, just set the extruder and return nothing
if (!$self->writer->multiple_extruders) {
return $self->writer->toolchange($extruder_id);
}
# prepend retraction on the current extruder
my $gcode = $self->retract(1);
# append custom toolchange G-code
if (defined $self->writer->extruder && $self->config->toolchange_gcode) {
my $pp = $self->placeholder_parser->clone;
$pp->set('previous_extruder' => $self->writer->extruder->id);
$pp->set('next_extruder' => $extruder_id);
$gcode .= sprintf "%s\n", $pp->process($self->config->toolchange_gcode);
}
# if ooze prevention is enabled, park current extruder in the nearest
# standby point and set it to the standby temperature
$gcode .= $self->ooze_prevention->pre_toolchange($self)
if $self->ooze_prevention->enable && defined $self->writer->extruder;
# append the toolchange command
$gcode .= $self->writer->toolchange($extruder_id);
# set the new extruder to the operating temperature
$gcode .= $self->ooze_prevention->post_toolchange($self)
if $self->ooze_prevention->enable;
return $gcode;
}
package Slic3r::GCode::OozePrevention;
use strict;
use warnings;
use Slic3r::Geometry qw(scale);
sub pre_toolchange {
my ($self, $gcodegen) = @_;
my $gcode = "";
# move to the nearest standby point
if (@{$self->standby_points}) {
# get current position in print coordinates
my $pos = Slic3r::Point->new_scale(@{$gcodegen->writer->get_position}[0,1]);
my $standby_point = Slic3r::Pointf->new_unscale(@{$pos->nearest_point($self->standby_points)});
# We don't call $gcodegen->travel_to() because we don't need retraction (it was already
# triggered by the caller) nor avoid_crossing_perimeters and also because the coordinates
# of the destination point must not be transformed by origin nor current extruder offset.
$gcode .= $gcodegen->writer->travel_to_xy($standby_point, 'move to standby position');
}
if ($gcodegen->config->standby_temperature_delta != 0) {
my $temp = $gcodegen->has_layer && $gcodegen->layer->id == 0
? $gcodegen->config->get_at('first_layer_temperature', $gcodegen->writer->extruder->id)
: $gcodegen->config->get_at('temperature', $gcodegen->writer->extruder->id);
# we assume that heating is always slower than cooling, so no need to block
$gcode .= $gcodegen->writer->set_temperature($temp + $gcodegen->config->standby_temperature_delta, 0);
}
return $gcode;
}
sub post_toolchange {
my ($self, $gcodegen) = @_;
my $gcode = "";
if ($gcodegen->config->standby_temperature_delta != 0) {
my $temp = $gcodegen->has_layer && $gcodegen->layer->id == 0
? $gcodegen->config->get_at('first_layer_temperature', $gcodegen->writer->extruder->id)
: $gcodegen->config->get_at('temperature', $gcodegen->writer->extruder->id);
$gcode .= $gcodegen->writer->set_temperature($temp, 1);
}
return $gcode;
}
1;