mirror of https://github.com/vitalif/Slic3r
Initial work for new model handling
Alessandro Ranellucci
parent
57fd6ad563
commit
7871673bf6
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@ -130,6 +130,16 @@ sub min_point {
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return Slic3r::Point->new($self->extents->[X][MIN], $self->extents->[Y][MIN]);
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}
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sub min_point3 {
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my $self = shift;
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return [ map $self->extents->[$_][MIN], (X,Y,Z) ];
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}
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sub vector_to_origin {
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my $self = shift;
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return [ map -$_, @{$self->min_point3} ];
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}
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sub max_point {
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my $self = shift;
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return Slic3r::Point->new($self->extents->[X][MAX], $self->extents->[Y][MAX]);
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@ -77,9 +77,9 @@ sub _build_has_support_material {
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# caller is responsible for supplying models whose objects don't collide
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# and have explicit instance positions
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sub add_model {
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sub add_model_object {
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my $self = shift;
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my ($model) = @_;
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my ($object) = @_;
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# optimization: if avoid_crossing_perimeters is enabled, split
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# this mesh into distinct objects so that we reduce the complexity
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@ -90,76 +90,89 @@ sub add_model {
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# -- thing before the split.
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###$model->split_meshes if $Slic3r::Config->avoid_crossing_perimeters && !$Slic3r::Config->complete_objects;
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my %unmapped_materials = ();
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foreach my $object (@{ $model->objects }) {
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# we align object to origin before applying transformations
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my @align = $object->align_to_origin;
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# extract meshes by material
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my @meshes = (); # by region_id
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foreach my $volume (@{$object->volumes}) {
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my $region_id;
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if (defined $volume->material_id) {
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if ($object->material_mapping) {
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$region_id = $object->material_mapping->{$volume->material_id} - 1
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if defined $object->material_mapping->{$volume->material_id};
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}
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$region_id //= $unmapped_materials{$volume->material_id};
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if (!defined $region_id) {
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$region_id = $unmapped_materials{$volume->material_id} = scalar(keys %unmapped_materials);
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}
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# read the material mapping provided by the model object, if any
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my %matmap = %{ $object->material_mapping || {} };
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$_-- for values %matmap; # extruders in the mapping are 1-indexed but we want 0-indexed
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my %meshes = (); # region_id => TriangleMesh
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foreach my $volume (@{$object->volumes}) {
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my $region_id;
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if (defined $volume->material_id) {
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if (!exists $matmap{ $volume->material_id }) {
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# there's no mapping between this material and a region
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$matmap{ $volume->material_id } = scalar(@{ $self->regions });
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}
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$region_id //= 0;
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my $mesh = $volume->mesh->clone;
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# should the object contain multiple volumes of the same material, merge them
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$meshes[$region_id] = $meshes[$region_id]
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? Slic3r::TriangleMesh->merge($meshes[$region_id], $mesh)
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: $mesh;
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}
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$self->regions->[$_] //= Slic3r::Print::Region->new for 0..$#meshes;
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foreach my $mesh (grep $_, @meshes) {
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# the order of these transformations must be the same as the one used in plater
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# to make the object positioning consistent with the visual preview
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# we ignore the per-instance transformations currently and only
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# consider the first one
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if ($object->instances && @{$object->instances}) {
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$mesh->rotate($object->instances->[0]->rotation, $object->center_2D);
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$mesh->scale($object->instances->[0]->scaling_factor);
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}
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$mesh->repair;
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$region_id = $matmap{ $volume->material_id };
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} else {
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$region_id = 0;
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}
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# we also align object after transformations so that we only work with positive coordinates
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# and the assumption that bounding_box === size works
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my $bb = Slic3r::Geometry::BoundingBox->merge(map $_->bounding_box, grep $_, @meshes);
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my @align2 = map -$bb->extents->[$_][MIN], (X,Y,Z);
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$_->translate(@align2) for grep $_, @meshes;
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# instantiate region if it does not exist
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$self->regions->[$region_id] //= Slic3r::Print::Region->new;
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my $scaled_bb = $bb->clone;
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$scaled_bb->scale(1 / &Slic3r::SCALING_FACTOR);
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# initialize print object
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push @{$self->objects}, Slic3r::Print::Object->new(
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print => $self,
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meshes => [ @meshes ],
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copies => [
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map Slic3r::Point->new(@$_),
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$object->instances
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? (map [ scale($_->offset->[X] - $align[X]) - $align2[X], scale($_->offset->[Y] - $align[Y]) - $align2[Y] ], @{$object->instances})
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: [0,0],
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],
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size => $scaled_bb->size, # transformed size
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input_file => $object->input_file,
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config_overrides => $object->config,
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layer_height_ranges => $object->layer_height_ranges,
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);
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# if a mesh is already associated to this region, append this one to it
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$meshes{$region_id} //= Slic3r::TriangleMesh->new;
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$meshes{$region_id}->merge($volume->mesh);
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}
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my $bb1 = Slic3r::Geometry::BoundingBox->merge(map $_->bounding_box, values %meshes);
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foreach my $mesh (values %meshes) {
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# align meshes to origin before applying transformations
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$mesh->translate(@{$bb1->vector_to_origin});
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# the order of these transformations must be the same as the one used in plater
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# to make the object positioning consistent with the visual preview
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# we ignore the per-instance transformations currently and only
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# consider the first one
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if ($object->instances && @{$object->instances}) {
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$mesh->rotate($object->instances->[0]->rotation, $object->center_2D);
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$mesh->scale($object->instances->[0]->scaling_factor);
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}
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$mesh->repair;
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}
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# we align object also after transformations so that we only work with positive coordinates
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# and the assumption that bounding_box === size works
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my $bb2 = Slic3r::Geometry::BoundingBox->merge(map $_->bounding_box, values %meshes);
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$_->translate(@{$bb2->vector_to_origin}) for values %meshes;
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# prepare scaled object size
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my $scaled_bb = $bb2->clone;
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$scaled_bb->translate(@{$bb2->vector_to_origin}); # not needed for getting size, but who knows
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$scaled_bb->scale(1 / &Slic3r::SCALING_FACTOR);
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# prepare copies
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my @copies = ();
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if ($object->instances) {
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foreach my $instance (@{ $object->instances }) {
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push @copies, Slic3r::Point->new(
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scale($instance->offset->[X] - $bb1->extents->[X][MIN])
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);
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}
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} else {
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push @copies, Slic3r::Point->new(0,0);
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}
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# initialize print object
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push @{$self->objects}, Slic3r::Print::Object->new(
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print => $self,
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meshes => [ map $meshes{$_}, 0..$#{$self->regions} ],
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copies => [
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map Slic3r::Point->new(@$_),
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$object->instances
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? (map [ scale($_->offset->[X] - $align[X]) - $align2[X], scale($_->offset->[Y] - $align[Y]) - $align2[Y] ], @{$object->instances})
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: [0,0],
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],
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size => $scaled_bb->size, # transformed size
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input_file => $object->input_file,
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config_overrides => $object->config,
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layer_height_ranges => $object->layer_height_ranges,
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);
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if (!defined $self->extra_variables->{input_filename}) {
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if (defined (my $input_file = $self->objects->[0]->input_file)) {
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if (defined (my $input_file = $object->input_file)) {
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@{$self->extra_variables}{qw(input_filename input_filename_base)} = parse_filename($input_file);
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}
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}
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