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Unify GCodeGenerator travel to first layer position.

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* Fixes SPE-2116. The reason for this bug was forgotten change in
  WipeTowerIntegration after change in gcode.cpp.
* Prevents future similar bugs by unifing the functionality to a method.
This commit is contained in:
Martin Šach 2024-01-22 11:11:59 +01:00
parent 8cbea4982a
commit 812c40e887
3 changed files with 36 additions and 31 deletions
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33
src/libslic3r/GCode.cpp
View File

@ -2947,17 +2947,9 @@ void GCodeGenerator::GCodeOutputStream::write_format(const char* format, ...)
va_end(args);
}
std::string GCodeGenerator::_extrude(
const ExtrusionAttributes &path_attr,
const Geometry::ArcWelder::Path &path,
const std::string_view description,
double speed)
{
std::string GCodeGenerator::travel_to_first_position(const Vec3crd& point) {
std::string gcode;
const std::string_view description_bridge = path_attr.role.is_bridge() ? " (bridge)"sv : ""sv;
if (!m_current_layer_first_position) {
const Vec3crd point = to_3d(path.front().point, scaled(this->m_last_layer_z + this->m_config.z_offset.value));
const Vec3d gcode_point = to_3d(this->point_to_gcode(point.head<2>()), unscaled(point.z()));
if (!this->last_position) {
@ -2973,12 +2965,29 @@ std::string GCodeGenerator::_extrude(
gcode += this->writer().get_travel_to_z_gcode(gcode_point.z() + lift, "lift");
}
this->last_position = path.front().point;
this->last_position = point.head<2>();
this->writer().update_position(gcode_point);
gcode += this->writer().get_travel_to_xy_gcode(gcode_point.head<2>(), "move to first layer point");
gcode += this->writer().get_travel_to_z_gcode(gcode_point.z(), "move to first layer point");
std::string comment{"move to first layer point"};
gcode += this->writer().get_travel_to_xy_gcode(gcode_point.head<2>(), comment);
gcode += this->writer().get_travel_to_z_gcode(gcode_point.z(), comment);
m_current_layer_first_position = gcode_point;
return gcode;
}
std::string GCodeGenerator::_extrude(
const ExtrusionAttributes &path_attr,
const Geometry::ArcWelder::Path &path,
const std::string_view description,
double speed)
{
std::string gcode;
const std::string_view description_bridge = path_attr.role.is_bridge() ? " (bridge)"sv : ""sv;
if (!m_current_layer_first_position) {
const Vec3crd point = to_3d(path.front().point, scaled(this->m_last_layer_z + this->m_config.z_offset.value));
gcode += this->travel_to_first_position(point);
} else {
// go to first point of extrusion path
if (!this->last_position) {

3
src/libslic3r/GCode.hpp
View File

@ -351,6 +351,9 @@ private:
ExtrusionRole role,
const std::string &comment
);
std::string travel_to_first_position(const Vec3crd& point);
bool needs_retraction(const Polyline &travel, ExtrusionRole role = ExtrusionRole::None);
std::string retract_and_wipe(bool toolchange = false);

9
src/libslic3r/GCode/WipeTowerIntegration.cpp
View File

@ -72,14 +72,7 @@ std::string WipeTowerIntegration::append_tcr(GCodeGenerator &gcodegen, const Wip
}
} else {
const Vec3crd point = to_3d(xy_point, scaled(z));
const Vec3d gcode_point = gcodegen.point_to_gcode(point);
gcodegen.last_position = point.head<2>();
gcodegen.writer().update_position(gcode_point);
gcode += gcodegen.writer()
.get_travel_to_xy_gcode(gcode_point.head<2>(), comment);
gcode += gcodegen.writer()
.get_travel_to_z_gcode(gcode_point.z(), comment);
gcodegen.m_current_layer_first_position = gcode_point;
gcode += gcodegen.travel_to_first_position(point);
}
gcode += gcodegen.unretract();
} else {