Print min/max values of a given stat

stat_minmax.rb

#!/usr/bin/env ruby

require 'pp'

max_possible = {
  :ghost    => [25, 10],
  :class    => [25, 10],
  :helm     => [46, 19],
  :gloves   => [41, 17],
  :chest    => [61, 25],
  :boots    => [56, 23],
  :artifact => [38, 42],
}

DEFENSE_FINAL=335

def fitValue(defense)
  if defense > 300
    (0.2546 * defense) - 23.825
  elsif defense>200
    (0.1801 * defense) - 1.4612
  else
    -1;
  end
end

init_defense = ARGV[0].to_f
init_stats = []
init_stats << ARGV[1].to_f
init_stats << ARGV[2].to_f

min = []
max = []
min << (init_stats[0]    ) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)
min << (init_stats[1]    ) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)

max << (init_stats[0]+1.0) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)
max << (init_stats[1]+1.0) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)

puts "Stat1 Min  #{((init_stats[0]    ) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)).floor}"
puts "Stat1 Max  #{((init_stats[0]+1.0) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)).floor}"
puts "Stat2 Min  #{((init_stats[1]    ) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)).floor}"
puts "Stat2 Max  #{((init_stats[1]+1.0) * fitValue(DEFENSE_FINAL) / fitValue(init_defense)).floor}"

puts "If item is:  roll%"
max_possible.each { |k,vs|
  min_pct = (min[0]/max_possible[k].first * 100)
  max_pct = (min[1]/max_possible[k].first * 100)
  next if min_pct > 100
  next if max_pct > 100

  #puts "#{k}: #{min[0]/max_possible[k].first} - #{max[1]/max_possible[k].first}"
  puts "#{k}: #{min_pct} - #{max_pct}"
}