CC Ender Chest Touch Coder

local mon = peripheral.wrap("monitor_59")
local eChestSide = "right"

function sleepASec()
  sleep(1)
end

function touchPull()
  event, side, x, y = os.pullEvent("monitor_touch")
  print(x, ",", y)
  if (not (math.fmod(x-1,6) > 4)) then
    if (not (y > 16)) then
      slot = (x-math.fmod(x,6))/6
      print("Slot ", slot)
      if (not (chest == nil)) then
        a,b,c = chest.getColors()
        if (slot == 0) then a = math.pow(2, y-1) end
        if (slot == 1) then b = math.pow(2, y-1) end
        if (slot == 2) then c = math.pow(2, y-1) end
        chest.setColors(a,b,c)
      end
    end
  end
end

function drawColor(x, y, color)
  mon.setBackgroundColor(color)
  mon.setTextColor(color)
  mon.setCursorPos(x,y)
  mon.write(" ")
  mon.setBackgroundColor(colors.black)
  mon.setTextColor(colors.white)
end

while (true) do
  mon.clear()
  mon.setCursorPos(1,1)
  chest = peripheral.wrap(eChestSide)
  if (chest == nil) then
    mon.write("Place the chest")
    mon.setCursorPos(1,2)
    mon.write("on the " .. eChestSide)
    mon.setCursorPos(1,3)
    mon.write("of the computer")
    sleep(1)
  else
    if (chest.getColors == nil) then
      mon.write("That's not an")
      mon.setCursorPos(1,2)
      mon.write("ender chest!")
      sleep(1)
    else
      for x = 1,3,1 do
        for y = 1,16,1 do
          drawColor(x*7-6, y, math.pow(2, y-1))
          drawColor(x*7-5, y, math.pow(2, y-1))
          drawColor(x*7-4, y, math.pow(2, y-1))
          drawColor(x*7-3, y, math.pow(2, y-1))
        end
      end
      if (parallel.waitForAny(sleepASec, touchPull) == 2) then
        print("Touch!")
      end
    end
  end
end