gregtech_reactors.rb

class Cell
        def initialize
                @name=:nak
                @eu=384000
                @time=150
        end
        attr_reader :name, :eu, :time
end

class Reactor
        def initialize( howmuchEu, time, cells, name, eupt )
                @eu=howmuchEu
                @time=time
                @cells=cells
                @name=name
                @eupt=eupt
                @times=Time.at(@time).gmtime.strftime('%R:%S')
        end

        def to_s
                "#{@name}:\n  Total EU per cycle: #{@eu}\n  EU/t: #{@eupt}\n  Cycle duration:#{@times}"
        end
        attr_reader :eu, :time, :cells, :name, :eupt
end

class Efficiency
        def initialize( reactorKind, reactor, cell )
                @kind=reactorKind
                @reactor=reactor
                @tEff=24*cell.time/(reactor.time.to_f)
                @reducedEupt=reactor.eupt-128
                @euEff=24*cell.eu/(reactor.eu.to_f)
        end

        def to_s
                "#{@reactor}\n    Freeze/cycle: #{@tEff}\n    Reduced rate:#{@reducedEupt}\n    EU efficiency per cycle:#{@euEff}"
        end

        attr_reader :kind, :reactor, :tEff, :reducedEupt, :euEff
end

nak=Cell.new
effs={ }
reactors=[[79349600, 9017, 24, :"1u",  440],
          [67334400, 3006, 24, :"2u", 1120],
          [58425600, 1074, 24, :"4u", 2720],
          [67334400,15030, 24, :"2t",  224],
          [58398400, 5367, 24, :"4t",  544]].each.map {|args| Reactor.new(*args)}

# effs will be a list of efficiency objects
effs=reactors.each.map{|reactor| effs[reactor.name]=Efficiency.new(reactor.name,reactor,nak)}
effs.sort! {|a, b| a.euEff <=> b.euEff}

puts effs