tanks.lua

local component = require("component")
local sides = require("sides")
local os = require("os")
local rs = component.redstone
local colors = require("colors")
local gpu = component.gpu
local w, h = gpu.getResolution()

local colorList = {["Creosote"] = colors.brown, 
                   ["Lubricant"] = colors.yellow, 
                   ["Jet Fuel"] = colors.magenta, 
                   ["Water"] = colors.blue, 
                   ["Lava"] = colors.red}

while true do
  for tankAddress in component.list("tank_controller") do 
    local tank = component.proxy(tankAddress)
    local fluidsInTank = tank.getFluidInTank(sides.top)

    for _, fluid in ipairs(fluidsInTank) do
      if fluid.capacity - fluid.amount > 1000000 then
        rs.setBundledOutput(sides.back, colorList[fluid.label], 15)

        gpu.setBackground(colorList[fluid.label])

        print(fluid.label .. ": " .. fluid.amount .. "/" .. fluid.capacity)
        print("Status: Active")
      else
        rs.setBundledOutput(sides.back, colorList[fluid.label], 0)

        gpu.setBackground(colorList[fluid.label])

        print(fluid.label .. ": " .. fluid.amount .. "/" .. fluid.capacity)
        print("Status: Standby")
      end
    end
  end
end