From 625a3008221e8c9269c81e97d8419ad1460e4af0 Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sun, 23 Jun 2013 19:25:32 +0200
Subject: [PATCH] New [layer_num] placeholder in layer change G-code

---
 lib/Slic3r/GCode/Layer.pm | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/Slic3r/GCode/Layer.pm b/lib/Slic3r/GCode/Layer.pm
index 5d398f46..26db9fc0 100644
--- a/lib/Slic3r/GCode/Layer.pm
+++ b/lib/Slic3r/GCode/Layer.pm
@@ -44,7 +44,9 @@ sub process_layer {
     $self->gcodegen->move_z_callback(sub {
         $self->gcodegen->move_z_callback(undef);  # circular ref or not?
         return "" if !$Slic3r::Config->layer_gcode;
-        return $Slic3r::Config->replace_options($Slic3r::Config->layer_gcode) . "\n";
+        return $Slic3r::Config->replace_options($Slic3r::Config->layer_gcode, {
+            layer_num => $self->gcodegen->layer->id,
+        }) . "\n";
     });
     
     # extrude skirt