Create a game map in redis from a txt file which imagemagick has conerted from png to txt

img_to_map.rb

require 'redis'
@redis = Redis.new

# width & height of the map
@x = @y = 0


grassdatafile = open('../resources/maps/land3g.txt')

grassdatafile.readlines.each { |line|
  linedata = line.scan(/(\d+),(\d+):\s*\(\s*\d+,\s*\d+,\s*\d+,\d+\)\s+#.{6}(.{2})/)[0]
  if linedata
    @redis.set "map:#{linedata[0]}:#{linedata[1]}", linedata[2]
    @x = linedata[0].to_i if linedata[0].to_i > @x
    @y = linedata[1].to_i if linedata[1].to_i > @y
    #puts "set map:#{linedata[0]}:#{linedata[1]} #{linedata[2].to_i}"
  end
}

rockdatafile = open('../resources/maps/land3r.txt')

rockdatafile.readlines.each { |line|
  linedata = line.scan(/(\d+),(\d+):\s*\(\s*255,/)[0]
  if linedata
    @redis.set "map:#{linedata[0]}:#{linedata[1]}", '01'
    @x = linedata[0].to_i if linedata[0].to_i > @x
    @y = linedata[1].to_i if linedata[1].to_i > @y
    #puts "set map:#{linedata[0]}:#{linedata[1]} 01"
  end
}

waterdatafile = open('../resources/maps/land3b.txt')

waterdatafile.readlines.each { |line|
  linedata = line.scan(/(\d+),(\d+):\s*\(\s*\d+,\s*\d+,\s*255/)[0]
  if linedata
    @redis.set "map:#{linedata[0]}:#{linedata[1]}", '00'
    @x = linedata[0].to_i if linedata[0].to_i > @x
    @y = linedata[1].to_i if linedata[1].to_i > @y
    #puts "set map:#{linedata[0]}:#{linedata[1]} 00"
  end
}

@redis.set "map:width", @x
@redis.set "map:height", @y
#puts "width: #{@x}"
#puts "height: #{@y}"

if @x != 50 || @y != 50
  #puts "warning: map is not 50x50"
end

@map = []
1.upto(@x.to_i) do |x|
  @line = ""
  1.upto(@y.to_i) do |y|
    @line += @redis.get "map:#{x}:#{y}"
  end
  @map.push(@line)
end
puts @map.inspect
@redis.set "map", @map