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;