therminfraplugin.rb

class ThermInfraCostPlugin < Plugin
  
  # return a help string when the bot is asked for help on this plugin
  def help(plugin, topic="")
    return "infracost <infra> <amount> <resources> => returns cost to purchase <amount> infra starting at <infra> with resources <resources>. Assumes you have factories and construction. Possible resources are sdc, gov, rubber, coal, iss."
  end
  
  # tells you cost of <amount> infra starting at <infra>
  def privmsg(m)

    # m.params contains the rest of the message, m.plugin contains the first
    # word (useful because it's possible to register for multiple commands)
    unless(m.params)
      m.reply "incorrect usage. " + help(m.plugin)
    end

    words = m.params.scan(/\w+/)
    cost = infracosth(words[0],words[1],words[2..words.length])
    m.reply "cost is #{cost}"
  end

  def infracosth(start,amount,resources)
    
    input = [start,amount]
    input[0] = input[0].to_i
    input[1] = input[1].to_i
    
    const = [12,15,20,25,30,40,60,70,80]

    cost = 0
    inframult = 0
    buyamount = 0
    currentinfra = input[0];  

    while(currentinfra<input[0]+input[1])  
      if(currentinfra < 100)
        inframult = const[0]
      elsif (currentinfra < 200)
        inframult = const[1]
      elsif (currentinfra < 1000)
        inframult = const[2]
      elsif (currentinfra < 3000)
        inframult = const[3]
      elsif (currentinfra < 4000)
        inframult = const[4]
      elsif (currentinfra < 5000)
        inframult = const[5]
      elsif (currentinfra < 8000)
        inframult = const[6]
      elsif (currentinfra < 15000)
        inframult = const[7]
      else
        inframult = const[8]
      end

      buyamount = 99 - currentinfra%100

      if (buyamount == 0)
          buyamount = 100
      end
      
    resourcemods = resourcemod(resources)
    cost += buyamount * (inframult * currentinfra + 100) * resourcemods
    currentinfra += buyamount
    end

    return cost    
  end




  def resourcemod(resources)
    mod = 0.6 * 0.94 * 0.95 * 0.93 * 0.90 * 0.95
    for i in 0..resources.length
        if (resources[i] == "sdc" || resources[i] == "SDC")
            mod *= 0.8333333333
        elsif (resources[i] == "rubber" || resources[i] == "RUBBER")
            mod *= 0.97
        elsif (resources[i] == "coal" || resources[i] == "COAL")
            mod *= 0.96*0.98
        elsif (resources[i] == "gov" || resources[i] == "govt" || resources[i] == "GOV" || resources[i] == "GOVT" )
            mod *= 0.95
        elsif (resources[i] == "iss" || resources[i] == "ISS")
            mod *= 0.92
        end
    end
    return mod
  end




end

plugin = ThermInfraCostPlugin.new
plugin.register("infracost")