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package Slic3r::Format::AMF;
use Moo;
use Slic3r::Geometry qw(X Y Z);
sub read_file {
my $self = shift;
my ($file) = @_;
eval qq{
require Slic3r::Format::AMF::Parser;
use XML::SAX::ParserFactory;
1;
} or die "AMF parsing requires XML::SAX\n";
open my $fh, '<', $file or die "Failed to open $file\n";
my $model = Slic3r::Model->new;
XML::SAX::ParserFactory
->parser(Handler => Slic3r::Format::AMF::Parser->new(_model => $model))
->parse_file($fh);
close $fh;
return $model;
}
sub write_file {
my $self = shift;
my ($file, $model, %params) = @_;
my %vertices_offset = ();
open my $fh, '>', $file;
binmode $fh, ':utf8';
printf $fh qq{<?xml version="1.0" encoding="UTF-8"?>\n};
printf $fh qq{<amf unit="millimeter">\n};
printf $fh qq{ <metadata type="cad">Slic3r %s</metadata>\n}, $Slic3r::VERSION;
for my $material_id (sort keys %{ $model->materials }) {
my $material = $model->materials->{$material_id};
printf $fh qq{ <material id="%d">\n}, $material_id;
for (keys %{$material->attributes}) {
printf $fh qq{ <metadata type=\"%s\">%s</metadata>\n}, $_, $material->attributes->{$_};
}
printf $fh qq{ </material>\n};
}
my $instances = '';
for my $object_id (0 .. $#{ $model->objects }) {
my $object = $model->objects->[$object_id];
printf $fh qq{ <object id="%d">\n}, $object_id;
printf $fh qq{ <mesh>\n};
printf $fh qq{ <vertices>\n};
foreach my $vertex (@{$object->vertices}, ) {
printf $fh qq{ <vertex>\n};
printf $fh qq{ <coordinates>\n};
printf $fh qq{ <x>%s</x>\n}, $vertex->[X];
printf $fh qq{ <y>%s</y>\n}, $vertex->[Y];
printf $fh qq{ <z>%s</z>\n}, $vertex->[Z];
printf $fh qq{ </coordinates>\n};
printf $fh qq{ </vertex>\n};
}
printf $fh qq{ </vertices>\n};
foreach my $volume (@{ $object->volumes }) {
printf $fh qq{ <volume%s>\n},
(!defined $volume->material_id) ? '' : (sprintf ' materialid="%s"', $volume->material_id);
foreach my $facet (@{$volume->facets}) {
printf $fh qq{ <triangle>\n};
printf $fh qq{ <v%d>%d</v%d>\n}, (4+$_), $facet->[$_], (4+$_) for -3..-1;
printf $fh qq{ </triangle>\n};
}
printf $fh qq{ </volume>\n};
}
printf $fh qq{ </mesh>\n};
printf $fh qq{ </object>\n};
if ($object->instances) {
foreach my $instance (@{$object->instances}) {
$instances .= sprintf qq{ <instance objectid="%d">\n}, $object_id;
$instances .= sprintf qq{ <deltax>%s</deltax>\n}, $instance->offset->[X];
$instances .= sprintf qq{ <deltay>%s</deltay>\n}, $instance->offset->[Y];
$instances .= sprintf qq{ <rz>%s</rz>\n}, $instance->rotation;
$instances .= sprintf qq{ </instance>\n};
}
}
}
if ($instances) {
printf $fh qq{ <constellation id="1">\n};
printf $fh $instances;
printf $fh qq{ </constellation>\n};
}
printf $fh qq{</amf>\n};
close $fh;
}
1;
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