Graf_drawer

-------------------------------------------------------
--        Программа График для Storage drawers       --
--        для компьютеров из мода OpenComputers      --
--          проект http://computercraft.ru           --
--                  Version 0.2                      --
--                 2018, © Asior                     --
-------------------------------------------------------
local charts = require("charts")
local event = require("event")
local gpu = require("component").gpu
local c = require("component")
local drawer = nil
if c.isAvailable("drawer") then
  drawer = c.drawer
else
  print('Подключите адаптер к бочке!')
  os.exit()
end
local term = require("term")
local container = charts.Container()
container.width, container.height = gpu.getViewport()
local payload = charts.Histogram()
if drawer.getMaxCapacity(1) == 0 then
  print('Положите хоть один предмет в бочку!')
  os.exit()
end

payload.max = drawer.getMaxCapacity(1)/2
payload.min = -drawer.getMaxCapacity(1)/2
payload.level.value = 0
payload.level.y = 0.5
payload.align = charts.sides.RIGHT
payload.colorFunc = function(index, perc, value, self, container)
  return value >= 0 and 0x20ff20 or 0xff0000
end
container.payload = payload

local gr = 0
local count = -1
for i = 1, math.huge, 1 do
  if drawer.getItemCount(1) == 0 then
    gr = payload.min
  else
    gr = -(drawer.getMaxCapacity(1)/2-drawer.getItemCount(1))
  end
  if count ~= gr then
    count = gr
    table.insert(payload.values, gr)
    if #payload.values > container.width then
      table.remove(payload.values, 1)
    end
    container:draw()
  end
  os.sleep(1)
end