Agribot

local r = require("robot")
local component = require("component")
local g = component.geolyzer
local slots = r.inventorySize()
local computer = require("computer")
local tty = require("tty")

local function harvest()
    r.forward()
    if g.analyze(0).growth == 1 then
        r.swingDown()
    end
end

local function harvestLine()
    for i = 1, 36, 1 do
        harvest()
    end
end

local function turnAroundLeft()
    r.forward()
    r.turnLeft()
    r.forward()
    r.turnLeft()
end

local function turnAroundRight()
    r.forward()
    r.turnRight()
    r.forward()
    r.turnRight()
end

local function dropAll()
    for i = 1, slots, 1 do
        r.select(i)
        if r.count == 0 then
            break
        end
        r.dropDown()
    end
end

local function harvestPatch()
    harvestLine()
    turnAroundLeft()
    harvestLine()
    turnAroundRight()
    harvestLine()
    turnAroundLeft()
    harvestLine()
    r.forward()
    dropAll()
end

local function moveToNextPatch()
    r.turnRight()
    r.forward()
    r.forward()
    r.turnRight()
end

harvestPatch()
for i = 1, 5, 1 do
    moveToNextPatch()
    harvestPatch()
end

r.turnLeft()
for i = 1, 28, 1 do
    r.forward()
end
r.turnLeft()

tty.clear()
computer.shutdown()