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