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Fix avoid crossing perimeters on layer change (SPE-2498, #13445, #13478)

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This commit is contained in:
Martin Šach 2024-10-21 17:15:03 +02:00 committed by Lukas Matena
parent ec8efbd444
commit ef89fb3af8
2 changed files with 27 additions and 9 deletions
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33
src/libslic3r/GCode.cpp
View File

@ -2556,6 +2556,17 @@ LayerResult GCodeGenerator::process_layer(
print.config().before_layer_gcode.value, m_writer.extruder()->id(), &config)
+ "\n";
}
// Initialize avoid crossing perimeters before a layer change.
if (!instances_to_print.empty() && print.config().avoid_crossing_perimeters) {
const InstanceToPrint instance_to_print{instances_to_print.front()};
this->m_avoid_crossing_perimeters.init_layer(
*layers[instance_to_print.object_layer_to_print_id].layer());
this->set_origin(unscale(first_instance->shift));
m_avoid_crossing_perimeters.use_external_mp_once = true;
}
gcode += this->change_layer(previous_layer_z, print_z, result.spiral_vase_enable, first_point.head<2>(), first_layer); // this will increase m_layer_index
m_layer = &layer;
if (this->line_distancer_is_required(layer_tools.extruders) && this->m_layer != nullptr && this->m_layer->lower_layer != nullptr)
@ -2698,7 +2709,7 @@ LayerResult GCodeGenerator::process_layer(
if (is_empty(overriden_extrusions.slices_extrusions)) {
continue;
}
this->initialize_instance(instance, layers[instance.object_layer_to_print_id]);
this->initialize_instance(instance, layers[instance.object_layer_to_print_id], i == 0);
gcode += this->extrude_slices(
instance, layers[instance.object_layer_to_print_id],
overriden_extrusions.slices_extrusions
@ -2720,7 +2731,7 @@ LayerResult GCodeGenerator::process_layer(
if (support_extrusions.empty() && is_empty(slices_extrusions)) {
continue;
}
this->initialize_instance(instance, layers[instance.object_layer_to_print_id]);
this->initialize_instance(instance, layers[instance.object_layer_to_print_id], i == 0);
if (!support_extrusions.empty()) {
m_layer = layer_to_print.support_layer;
@ -2748,22 +2759,28 @@ static const auto comment_perimeter = "perimeter"sv;
void GCodeGenerator::initialize_instance(
const InstanceToPrint &print_instance,
const ObjectLayerToPrint &layer_to_print
const ObjectLayerToPrint &layer_to_print,
const bool is_first
) {
const PrintObject &print_object = print_instance.print_object;
const Print &print = *print_object.print();
m_config.apply(print_object.config(), true);
m_layer = layer_to_print.layer();
if (print.config().avoid_crossing_perimeters)
m_avoid_crossing_perimeters.init_layer(*m_layer);
// When starting a new object, use the external motion planner for the first travel move.
const Point &offset = print_object.instances()[print_instance.instance_id].shift;
GCode::PrintObjectInstance next_instance = {&print_object, int(print_instance.instance_id)};
if (m_current_instance != next_instance) {
m_avoid_crossing_perimeters.use_external_mp_once = true;
if (print.config().avoid_crossing_perimeters && !is_first) {
m_avoid_crossing_perimeters.init_layer(*m_layer);
// When starting a new object, use the external motion planner for the first travel move.
if (m_current_instance != next_instance) {
m_avoid_crossing_perimeters.use_external_mp_once = true;
}
}
m_current_instance = next_instance;
this->set_origin(unscale(offset));
m_label_objects.update(&print_instance.print_object.instances()[print_instance.instance_id]);
}

3
src/libslic3r/GCode.hpp
View File

@ -315,7 +315,8 @@ private:
void initialize_instance(
const InstanceToPrint &print_instance,
const ObjectLayerToPrint &layer_to_print
const ObjectLayerToPrint &layer_to_print,
const bool is_first
);
std::string extrude_slices(