Cleanup gcoder.Gcode._preprocess_layers

printrun/gcoder.py

@@ -375,10 +375,7 @@ class GCode(object):
         count_noe = self.filament_length <= 0
 
         for line in self.lines:
-            if not line.is_move and line.command != "G92" and line.command != "G28":
-                continue
-            if line.is_move:
-                if line.e or count_noe:
+            if line.is_move and (line.extruding or count_noe):
                 if line.current_x is not None:
                     xmin = min(xmin, line.current_x)
                     xmax = max(xmax, line.current_x)