170 lines
4.3 KiB
Perl
170 lines
4.3 KiB
Perl
package Slic3r::Model;
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use Moo;
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use Slic3r::Geometry qw(X Y Z);
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has 'materials' => (is => 'ro', default => sub { {} });
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has 'objects' => (is => 'ro', default => sub { [] });
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sub read_from_file {
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my $class = shift;
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my ($input_file) = @_;
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my $model = $input_file =~ /\.stl$/i ? Slic3r::Format::STL->read_file($input_file)
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: $input_file =~ /\.obj$/i ? Slic3r::Format::OBJ->read_file($input_file)
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: $input_file =~ /\.amf(\.xml)?$/i ? Slic3r::Format::AMF->read_file($input_file)
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: die "Input file must have .stl, .obj or .amf(.xml) extension\n";
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$_->input_file($input_file) for @{$model->objects};
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return $model;
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}
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sub add_object {
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my $self = shift;
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my $object = Slic3r::Model::Object->new(model => $self, @_);
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push @{$self->objects}, $object;
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return $object;
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}
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sub set_material {
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my $self = shift;
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my ($material_id, $attributes) = @_;
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return $self->materials->{$material_id} = Slic3r::Model::Region->new(
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model => $self,
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attributes => $attributes || {},
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);
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}
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sub scale {
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my $self = shift;
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$_->scale(@_) for @{$self->objects};
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}
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# flattens everything to a single mesh
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sub mesh {
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my $self = shift;
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my @meshes = ();
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foreach my $object (@{$self->objects}) {
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my @instances = $object->instances ? @{$object->instances} : (undef);
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foreach my $instance (@instances) {
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my $mesh = $object->mesh->clone;
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if ($instance) {
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$mesh->rotate($instance->rotation);
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$mesh->align_to_origin;
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$mesh->move(@{$instance->offset});
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}
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push @meshes, $mesh;
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}
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}
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return Slic3r::TriangleMesh->merge(@meshes);
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}
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package Slic3r::Model::Region;
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use Moo;
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has 'model' => (is => 'ro', weak_ref => 1, required => 1);
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has 'attributes' => (is => 'rw', default => sub { {} });
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package Slic3r::Model::Object;
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use Moo;
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use List::Util qw(first);
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use Slic3r::Geometry qw(X Y Z);
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has 'input_file' => (is => 'rw');
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has 'model' => (is => 'ro', weak_ref => 1, required => 1);
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has 'vertices' => (is => 'ro', default => sub { [] });
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has 'volumes' => (is => 'ro', default => sub { [] });
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has 'instances' => (is => 'rw');
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sub add_volume {
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my $self = shift;
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my %args = @_;
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if (my $vertices = delete $args{vertices}) {
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my $v_offset = @{$self->vertices};
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push @{$self->vertices}, @$vertices;
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@{$args{facets}} = map {
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my $f = [@$_];
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$f->[$_] += $v_offset for -3..-1;
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$f;
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} @{$args{facets}};
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}
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my $volume = Slic3r::Model::Volume->new(object => $self, %args);
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push @{$self->volumes}, $volume;
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return $volume;
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}
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sub add_instance {
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my $self = shift;
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$self->instances([]) if !defined $self->instances;
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push @{$self->instances}, Slic3r::Model::Instance->new(object => $self, @_);
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return $self->instances->[-1];
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}
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sub mesh {
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my $self = shift;
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# this mesh won't be suitable for check_manifoldness as multiple
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# facets from different volumes may use the same vertices
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return Slic3r::TriangleMesh->new(
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vertices => $self->vertices,
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facets => [ map @{$_->facets}, @{$self->volumes} ],
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);
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}
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sub scale {
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my $self = shift;
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my ($factor) = @_;
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return if $factor == 1;
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# transform vertex coordinates
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foreach my $vertex (@{$self->vertices}) {
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$vertex->[$_] *= $factor for X,Y,Z;
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}
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}
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sub materials_count {
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my $self = shift;
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my %materials = map { $_->material_id // '_default' => 1 } @{$self->volumes};
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return scalar keys %materials;
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}
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sub check_manifoldness {
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my $self = shift;
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return (first { !$_->mesh->check_manifoldness } @{$self->volumes}) ? 0 : 1;
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}
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package Slic3r::Model::Volume;
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use Moo;
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has 'object' => (is => 'ro', weak_ref => 1, required => 1);
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has 'material_id' => (is => 'rw');
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has 'facets' => (is => 'rw', default => sub { [] });
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sub mesh {
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my $self = shift;
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return Slic3r::TriangleMesh->new(
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vertices => $self->object->vertices,
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facets => $self->facets,
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);
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}
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package Slic3r::Model::Instance;
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use Moo;
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has 'object' => (is => 'ro', weak_ref => 1, required => 1);
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has 'rotation' => (is => 'rw', default => sub { 0 });
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has 'offset' => (is => 'rw');
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1;
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