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Ported PrintObject::bridge_over_infill() to XS

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Alessandro Ranellucci 2014-12-24 10:20:55 +01:00
parent ea40c4d1b0
commit 4848cb7606
8 changed files with 130 additions and 76 deletions
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76
lib/Slic3r/Print/Object.pm
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@ -760,82 +760,6 @@ sub clip_fill_surfaces {
}
}
sub bridge_over_infill {
my $self = shift;
for my $region_id (0..($self->print->region_count - 1)) {
my $fill_density = $self->print->regions->[$region_id]->config->fill_density;
next if $fill_density == 100 || $fill_density == 0;
for my $layer_id (1..($self->layer_count - 1)) {
my $layer = $self->get_layer($layer_id);
my $layerm = $layer->regions->[$region_id];
my $lower_layer = $self->get_layer($layer_id-1);
# compute the areas needing bridge math
my @internal_solid = @{$layerm->fill_surfaces->filter_by_type(S_TYPE_INTERNALSOLID)};
my @lower_internal = map @{$_->fill_surfaces->filter_by_type(S_TYPE_INTERNAL)}, @{$lower_layer->regions};
my $to_bridge = intersection_ex(
[ map $_->p, @internal_solid ],
[ map $_->p, @lower_internal ],
);
next unless @$to_bridge;
Slic3r::debugf "Bridging %d internal areas at layer %d\n", scalar(@$to_bridge), $layer_id;
# build the new collection of fill_surfaces
{
my @new_surfaces = map $_->clone, grep $_->surface_type != S_TYPE_INTERNALSOLID, @{$layerm->fill_surfaces};
push @new_surfaces, map Slic3r::Surface->new(
expolygon => $_,
surface_type => S_TYPE_INTERNALBRIDGE,
), @$to_bridge;
push @new_surfaces, map Slic3r::Surface->new(
expolygon => $_,
surface_type => S_TYPE_INTERNALSOLID,
), @{diff_ex(
[ map $_->p, @internal_solid ],
[ map @$_, @$to_bridge ],
1,
)};
$layerm->fill_surfaces->clear;
$layerm->fill_surfaces->append($_) for @new_surfaces;
}
# exclude infill from the layers below if needed
# see discussion at https://github.com/alexrj/Slic3r/issues/240
# Update: do not exclude any infill. Sparse infill is able to absorb the excess material.
if (0) {
my $excess = $layerm->extruders->{infill}->bridge_flow->width - $layerm->height;
for (my $i = $layer_id-1; $excess >= $self->get_layer($i)->height; $i--) {
Slic3r::debugf " skipping infill below those areas at layer %d\n", $i;
foreach my $lower_layerm (@{$self->get_layer($i)->regions}) {
my @new_surfaces = ();
# subtract the area from all types of surfaces
foreach my $group (@{$lower_layerm->fill_surfaces->group}) {
push @new_surfaces, map $group->[0]->clone(expolygon => $_),
@{diff_ex(
[ map $_->p, @$group ],
[ map @$_, @$to_bridge ],
)};
push @new_surfaces, map Slic3r::Surface->new(
expolygon => $_,
surface_type => S_TYPE_INTERNALVOID,
), @{intersection_ex(
[ map $_->p, @$group ],
[ map @$_, @$to_bridge ],
)};
}
$lower_layerm->fill_surfaces->clear;
$lower_layerm->fill_surfaces->append($_) for @new_surfaces;
}
$excess -= $self->get_layer($i)->height;
}
}
}
}
}
sub process_external_surfaces {
my ($self) = @_;