#!/usr/bin/perl -i.before_postproc

# Author  : David Sherwood
# Version : 1.0
# Copyright : none.
#
# Slice3R GCODE laser cutter post-processor

use strict;
use warnings;

# read stdin and any/all files passed as parameters one line at a time

while (<> ) {
   
    if (/G11/) {
        # if we have an un-retraction line, replace it with laser power on
        print "M400 ; wait for moves to finish\nM104 S100 ; laser on\n";
    }
    
    elsif (/G10/) {
        # if we found a retraction line, replace it with laser power off
        print "M104 S0 ; laser off\n";
    }
    
    elsif (/G92/) {
        # if we found an extruder reset command line, remove it
        print "";
    }
      
    elsif (/M190/) {
        # if we found a heat bed command line, remove it
        print "";
    }    
           
    else {
	print or die $!;
    }
}


##</code><code>##

G92 E0 ; want to remove all G92 lines (works now)
T1
G1 Z0.050 F7800.000
G10 ; retract
G92 E0
G1 Z0.150 F7800.000
G1 X14.725 Y-8.975 F7800.000
G1 Z0.050 F7800.000
G11 ; unretract
G92 E0
G1 X14.725 Y8.975 E0.01465 F120.000 
G10 ; retract
G92 E0
G1 Z0.150 F7800.000
G1 X-9.585 Y-0.615 F7800.000
G1 Z0.050 F7800.000
G11 ; unretract
G92 E0

##</code><code>##

T1
G1 Z-0.050 F7800.000
M104 S0 ; laser off
G1 Z-0.150 F7800.000
G1 X14.725 Y-8.975 F7800.000
G1 Z-0.050 F7800.000
M400 ; wait for moves to finish
M104 S100 ; laser on
G1 X14.725 Y8.975 F120.000
M104 S0 ; laser off
G1 Z-0.150 F7800.000
G1 X-9.585 Y-0.615 F7800.000
G1 Z-0.050 F7800.000
M400 ; wait for moves to finish
M104 S100 ; laser on