cropper.lua

local component = require("component")
local robot = require("robot")
local geo = component.geolyzer
local ic = component.inventory_controller

local step = 0

function placeCross()
  ic.equip()
  robot.useDown(0)
  os.sleep(0.1)
  robot.useDown(0)
  ic.equip()
end

while true do
   os.sleep(0.4)
   meta = geo.analyze(0).metadata
   if meta == 7 then
     if step == 0 then
       step=1
       robot.turnLeft()
       robot.forward()
       robot.turnLeft()
       robot.forward()
       robot.swingDown()
       placeCross()
     else
       step=0
       robot.turnLeft()
       robot.forward()
       robot.swingDown()
       placeCross()
     end
   elseif meta  > 0 then
     robot.useDown(0,false,0)
     os.sleep(0.2)
     robot.useDown(0,false,0)
     if geo.analyze(0).metadata < meta then
        ic.equip()
        robot.useDown(0,false,0)
        ic.equip()
     end


   end
end