rlm@11: #!/usr/bin/env ruby -rubygems
rlm@11: # Tokyo cache cow command line interface script.
rlm@11: # Run <tt>tokyo_cache_cow -h</tt> to get more usage.
rlm@11: require File.dirname(__FILE__) + '/../lib/graster'
rlm@11: 
rlm@11: unless ARGV.size == 5
rlm@11:   puts "usage: ruby tile.rb <input-gcode-file> <tile-width> <tile-height> <horiz-count> <vert-count>"
rlm@11:   exit(1)
rlm@11: end
rlm@11: 
rlm@11: def parse_line line
rlm@11:   nc = {}
rlm@11:   line.gsub(/\([^)]*\)/,'').upcase.scan(/([A-Z])\s*([0-9\.]+)?/).each {|code| nc[code[0].intern] = (code[1] && code[1].to_f) }
rlm@11:   nc
rlm@11: end
rlm@11: 
rlm@11: def gcode ncs
rlm@11:   ncs = [ncs] unless ncs.is_a? Array
rlm@11:   ncs.reduce('') {|a,nc| a << (nc.map {|k,v| "#{k}#{v}" }.join(' ') + "\n") }
rlm@11: end
rlm@11: 
rlm@11: tile_width = ARGV[1].to_f
rlm@11: tile_height = ARGV[2].to_f
rlm@11: horiz_count = ARGV[3].to_i
rlm@11: vert_count = ARGV[4].to_i
rlm@11: 
rlm@11: header = []
rlm@11: body = []
rlm@11: footer = []
rlm@11: state = :header
rlm@11: 
rlm@11: 
rlm@11: File.open ARGV[0] do |io|
rlm@11:   io.each_line do |line|
rlm@11:     if (nc = parse_line(line)) != {}
rlm@11:       case state
rlm@11:       when :header
rlm@11:         if nc[:G] == 0 || nc[:G] == 1
rlm@11:           state = :body
rlm@11:           body << nc
rlm@11:         else
rlm@11:           header << nc
rlm@11:         end
rlm@11: 
rlm@11:       when :body
rlm@11:         if nc[:G] == 0 || nc[:G] == 1
rlm@11:           body << nc
rlm@11:         else
rlm@11:           state = :footer
rlm@11:           footer << nc
rlm@11:         end
rlm@11: 
rlm@11:       when :footer
rlm@11:         footer << nc
rlm@11:       end
rlm@11:     end # case
rlm@11:     
rlm@11:   end # io.each_line
rlm@11: end # File.open
rlm@11: 
rlm@11: print gcode(header)
rlm@11: 
rlm@11: vert_count.times do |yc|
rlm@11:   horiz_count.times do |xc|
rlm@11:     body.each do |nc|
rlm@11:       nc = nc.dup
rlm@11:       nc[:X] += xc*tile_width if nc[:X]
rlm@11:       nc[:Y] += yc*tile_height if nc[:Y]
rlm@11:       print gcode(nc)
rlm@11:     end
rlm@11:   end
rlm@11: end
rlm@11: 
rlm@11: print gcode(footer)