bugfix

src/libslic3r/Fill/FillRectilinear.cpp

@@ -18,7 +18,7 @@ void FillRectilinear::_fill_surface_single(
     expolygon.rotate(- direction.first);
 
     this->_min_spacing = scale_(this->spacing);
-    assert(params.density > 0.0001f && params.density <= 1.f);
+    assert(params.density > 0.0001f);
     this->_line_spacing = coord_t(coordf_t(this->_min_spacing) / params.density);
     this->_diagonal_distance = this->_line_spacing * 2;
     this->_line_oscillation = this->_line_spacing - this->_min_spacing; // only for Line infill

src/libslic3r/Fill/FillRectilinear2.cpp

@@ -773,7 +773,7 @@ bool FillRectilinear2::fill_surface_by_lines(const Surface *surface, const FillP
     std::pair<float, Point> rotate_vector = this->_infill_direction(surface);
     rotate_vector.first += angleBase;
 
-    assert(params.density > 0.0001f && params.density <= 1.f);
+    assert(params.density > 0.0001f);
     coord_t line_spacing = coord_t(scale_(this->spacing) / params.density);
 
     // On the polygons of poly_with_offset, the infill lines will be connected.

src/libslic3r/Fill/FillRectilinear3.cpp

@@ -380,7 +380,7 @@ static bool prepare_infill_hatching_segments(
     out.direction.rotate(out.angle + 0.5 * M_PI);
     out.segs.clear();
 
-    assert(params.density > 0.0001f && params.density <= 1.f);
+    assert(params.density > 0.0001f);
     coord_t line_spacing = coord_t(scale_(fill_dir_params.spacing) / params.density);
 
     // Bounding box around the source contour, aligned with out.angle.
@@ -1531,7 +1531,7 @@ static bool fill_hatching_segments_legacy(
 
 bool FillRectilinear3::fill_surface_by_lines(const Surface *surface, const FillParams &params, std::vector<FillDirParams> &fill_dir_params, Polylines &polylines_out)
 {
-    assert(params.density > 0.0001f && params.density <= 1.f);
+    assert(params.density > 0.0001f);
 
     const float INFILL_OVERLAP_OVER_SPACING = 0.45f;
     assert(INFILL_OVERLAP_OVER_SPACING > 0 && INFILL_OVERLAP_OVER_SPACING < 0.5f);

src/libslic3r/GCode.cpp

@@ -279,7 +279,7 @@ std::string WipeTowerIntegration::rotate_wipe_tower_moves(const std::string& gco
 
 std::string WipeTowerIntegration::prime(GCode &gcodegen)
 {
-    assert(m_layer_idx == 0);
+    //assert(m_layer_idx == 0);
     std::string gcode;
 
     if (&m_priming != nullptr && ! m_priming.extrusions.empty()) {
@@ -931,6 +931,7 @@ void GCode::_do_export(Print &print, FILE *file)
             m_wipe_tower.reset(new WipeTowerIntegration(print.config(), *print.wipe_tower_data().priming.get(), print.wipe_tower_data().tool_changes, *print.wipe_tower_data().final_purge.get()));
             _write(file, m_writer.travel_to_z(first_layer_height + m_config.z_offset.value, "Move to the first layer height"));
             if (print.config().single_extruder_multi_material_priming) {
+				//m_wipe_tower->next_layer();
                 _write(file, m_wipe_tower->prime(*this));
                 // Verify, whether the print overaps the priming extrusions.
                 BoundingBoxf bbox_print(get_print_extrusions_extents(print));
@@ -2665,7 +2666,7 @@ std::string GCode::retract(bool toolchange)
         methods even if we performed wipe, since this will ensure the entire retraction
         length is honored in case wipe path was too short.  */
     gcode += toolchange ? m_writer.retract_for_toolchange() : m_writer.retract();
-    if (toolchange || !this->m_config.retract_lift_not_last_layer.value || !(this->m_last_extrusion_role == ExtrusionRole::erTopSolidInfill))
+	if (toolchange || !this->m_config.retract_lift_not_last_layer.get_at(m_writer.extruder()->id()) || !(this->m_last_extrusion_role == ExtrusionRole::erTopSolidInfill))
         if (m_writer.extruder()->retract_length() > 0 || m_config.use_firmware_retraction)
             gcode += m_writer.lift();
 

src/libslic3r/PrintConfig.cpp

@@ -1823,12 +1823,12 @@ void PrintConfigDef::init_fff_params()
     def->mode = comAdvanced;
     def->default_value = new ConfigOptionFloats { 0. };
 
-    def = this->add("retract_lift_not_last_layer", coBool);
+    def = this->add("retract_lift_not_last_layer", coBools);
     def->label = L("Not on top");
     def->category = L("Support material");
     def->tooltip = L("Select this option to not use the z-lift on a top surface.");
     def->mode = comAdvanced;
-    def->default_value = new ConfigOptionBool(false);
+	def->default_value = new ConfigOptionBools { false };
 
     def = this->add("retract_restart_extra", coFloats);
     def->label = L("Extra length on restart");

src/libslic3r/PrintConfig.hpp

@@ -677,7 +677,7 @@ class GCodeConfig : public StaticPrintConfig
     ConfigOptionFloats              retract_lift;
     ConfigOptionFloats              retract_lift_above;
     ConfigOptionFloats              retract_lift_below;
-    ConfigOptionBool                retract_lift_not_last_layer;
+    ConfigOptionBools               retract_lift_not_last_layer;
     ConfigOptionFloats              retract_restart_extra;
     ConfigOptionFloats              retract_restart_extra_toolchange;
     ConfigOptionFloats              retract_speed;