AutomaticFarm

-- FTB AutomaticFarm - V 1.0
-- Made by Xmarks
-- https://www.youtube.com/channel/UCA6oAnFqdDcc0sa6H8G5DSA
-- Program Farms and Replants Seeds
-- TODO: Not getting blocked by Blocks or Entities
-- TODO: Drop Excess to chest below Turtle
-- *********************************
-- Fuel Goes to Slot 1
-- Seeds for comparison go to Slot 2
-- *********************************

x = 2
y = 2
seed_slot = 0

local function CheckFuel()
  if turtle.getFuelLevel() < 20 then
    turtle.select(1)
    turtle.refuel(1)
  end
end

local function forward()
  CheckFuel()
  Counter = 0
  while Counter < 1 do
    if turtle.forward() then
      Counter = Counter + 1
    end
  end
end

local function GoLeft()
  turtle.turnLeft()
  forward()
  turtle.turnLeft()
end

local function GoRight()
  turtle.turnRight()
  forward()
  turtle.turnRight()
end

local function find_seeds()
  for i = 3,16 do
    turtle.select(i)
    if turtle.compareTo(2) then
      return i
    end
  end
  return 0
end

local function HarvestReplant()
  seed_slot = find_seeds()
  if seed_slot == 0 then
    turtle.select(2)
  else
    turtle.select(seed_slot)
  end
  turtle.digDown()
  turtle.placeDown()
end

local function Farm()
  for i =1,x do
    if i%2 == 1 then
      GoLeft()
      for j =1,y do
        HarvestReplant()
        if j ~= y then
          forward()
        end
      end
    elseif i%2 == 0 then
      GoRight()
      for j = 1,y do
        HarvestReplant()
        if j ~= y then
          forward()
        end
      end
    end
  end
end

local function ReturnHome()
  if x%2 == 0 then
    forward()
    turtle.turnRight()
    for i = 1,x do
      forward()
    end
  elseif x%2 == 1 then
    turtle.turnLeft()
    turtle.turnLeft()
    for j = 1,y do
      forward()
    end
    turtle.turnRight()
    for i = 1,x do
      forward()
    end
  end
  turtle.turnRight()
  forward()
  turtle.turnLeft()
  turtle.turnLeft()
end

local function TimeOut()
  for i = 23100,0,-1 do
    print(i)
    sleep(1)
  end
end

while true do
  Farm()
  ReturnHome()
  TimeOut()
end