Bugfix: spiral vase was not working when extrusion axis was not E. #2350

lib/Slic3r/GCode/Reader.pm

@@ -1,19 +1,28 @@
 package Slic3r::GCode::Reader;
 use Moo;
 
+has 'config'    => (is => 'ro', default => sub { Slic3r::Config::GCode->new });
 has 'X' => (is => 'rw', default => sub {0});
 has 'Y' => (is => 'rw', default => sub {0});
 has 'Z' => (is => 'rw', default => sub {0});
 has 'E' => (is => 'rw', default => sub {0});
 has 'F' => (is => 'rw', default => sub {0});
+has '_extrusion_axis' => (is => 'rw', default => sub {"E"});
 
 our $Verbose = 0;
 my @AXES = qw(X Y Z E);
 
+sub apply_print_config {
+    my ($self, $print_config) = @_;
+    
+    $self->config->apply_print_config($print_config);
+    $self->_extrusion_axis($self->config->get_extrusion_axis);
+}
+
 sub clone {
     my $self = shift;
     return (ref $self)->new(
-        map { $_ => $self->$_ } (@AXES, 'F'),
+        map { $_ => $self->$_ } (@AXES, 'F', '_extrusion_axis'),
     );
 }
 
@@ -32,6 +41,11 @@ sub parse {
         $command //= '';
         my %args = map { /([A-Z])(.*)/; ($1 => $2) } @args;
         
+        # convert extrusion axis
+        if (exists $args{ $self->_extrusion_axis }) {
+            $args{E} = $args{ $self->_extrusion_axis };
+        }
+        
         # check motion
         if ($command =~ /^G[01]$/) {
             foreach my $axis (@AXES) {

lib/Slic3r/GCode/SpiralVase.pm

@@ -7,6 +7,11 @@ has 'reader' => (is => 'ro', default => sub { Slic3r::GCode::Reader->new });
 
 use Slic3r::Geometry qw(unscale);
 
+sub BUILD {
+    my ($self) = @_;
+    $self->reader->apply_print_config($self->config);
+}
+
 sub process_layer {
     my $self = shift;
     my ($gcode) = @_;

xs/src/libslic3r/GCodeWriter.cpp

@@ -29,14 +29,7 @@ void
 GCodeWriter::apply_print_config(const PrintConfig &print_config)
 {
     this->config.apply(print_config, true);
-    
-    if (FLAVOR_IS(gcfMach3)) {
-        this->_extrusion_axis = "A";
-    } else if (FLAVOR_IS(gcfNoExtrusion)) {
-        this->_extrusion_axis = "";
-    } else {
-        this->_extrusion_axis = this->config.extrusion_axis;
-    }
+    this->_extrusion_axis = this->config.get_extrusion_axis();
 }
 
 void

xs/src/libslic3r/PrintConfig.hpp

@@ -372,6 +372,17 @@ class GCodeConfig : public virtual StaticPrintConfig
         
         return NULL;
     };
+    
+    std::string get_extrusion_axis() const
+    {
+        if (this->gcode_flavor.value == gcfMach3) {
+            return "A";
+        } else if (this->gcode_flavor.value == gcfNoExtrusion) {
+            return "";
+        } else {
+            return this->extrusion_axis.value;
+        }
+    };
 };
 
 class PrintConfig : public GCodeConfig

xs/xsp/Config.xsp

@@ -51,6 +51,7 @@
         %code{% THIS->apply(*other, true); %};
     std::vector<std::string> get_keys()
         %code{% THIS->keys(&RETVAL); %};
+    std::string get_extrusion_axis();
 };
 
 %name{Slic3r::Config::Print} class PrintConfig {
@@ -71,6 +72,7 @@
         %code{% THIS->apply(*other, true); %};
     std::vector<std::string> get_keys()
         %code{% THIS->keys(&RETVAL); %};
+    std::string get_extrusion_axis();
 };
 
 %name{Slic3r::Config::PrintRegion} class PrintRegionConfig {
@@ -141,6 +143,7 @@
         %code{% THIS->apply(*other, true); %};
     std::vector<std::string> get_keys()
         %code{% THIS->keys(&RETVAL); %};
+    std::string get_extrusion_axis();
 };
 
 %package{Slic3r::Config};