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Ported Slic3r::GCode::needs_retraction() to XS

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Alessandro Ranellucci 2015-07-01 23:14:40 +02:00
parent b4019bb438
commit 5571144c0e
4 changed files with 42 additions and 35 deletions
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35
lib/Slic3r/GCode.pm
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@ -334,41 +334,6 @@ sub travel_to {
return $gcode;
}
sub needs_retraction {
my ($self, $travel, $role) = @_;
if ($travel->length < scale $self->config->get_at('retract_before_travel', $self->writer->extruder->id)) {
# skip retraction if the move is shorter than the configured threshold
return 0;
}
if (defined $role && $role == EXTR_ROLE_SUPPORTMATERIAL && $self->layer->as_support_layer->support_islands->contains_polyline($travel)) {
# skip retraction if this is a travel move inside a support material island
return 0;
}
if ($self->config->only_retract_when_crossing_perimeters && $self->has_layer) {
if ($self->config->fill_density > 0
&& $self->layer->any_internal_region_slice_contains_polyline($travel)) {
# skip retraction if travel is contained in an internal slice *and*
# internal infill is enabled (so that stringing is entirely not visible)
return 0;
} elsif ($self->layer->any_bottom_region_slice_contains_polyline($travel)
&& defined $self->layer->upper_layer
&& $self->layer->upper_layer->slices->contains_polyline($travel)
&& ($self->config->bottom_solid_layers >= 2 || $self->config->fill_density > 0)) {
# skip retraction if travel is contained in an *infilled* bottom slice
# but only if it's also covered by an *infilled* upper layer's slice
# so that it's not visible from above (a bottom surface might not have an
# upper slice in case of a thin membrane)
return 0;
}
}
# retract if only_retract_when_crossing_perimeters is disabled or doesn't apply
return 1;
}
sub set_extruder {
my ($self, $extruder_id) = @_;