Minecraft Turtle Treefermer v1.0

tArgs = {...}

local saplingSlot = 15
local fuelSlot = 16
local isRedwood = false
local defaultRefuelAmount = 5

function goUp(distance)
  if distance == nil then distance = 1 end
  for i = 1, distance do
    turtle.up()
  end
end

function goDown(distance)
  if distance == nil then distance = 1 end
  for i = 1, distance do
    turtle.down()
  end
end

function goForward(distance)
  if distance == nil then distance = 1 end
  for i = 1, distance do
    turtle.forward()
  end
end

function goBack(distance)
  if distance == nil then distance = 1 end
  for i = 1, distance do
    turtle.back()
  end
end

function digUp(distance)
  if distance == nil then distance = 1 end
  for i = 1, distance do
    while turtle.detectUp() == true do
      turtle.digUp()
      sleep(0.5)
    end
    if distance > 1 then
      goUp()
    end
  end
end

function dig(distance)
  if distance == nil then distance = 1 end
  for i = 1, distance do
    while turtle.detect() == true do
      turtle.dig()
      sleep(0.5)
    end
  end
end

function digDown(distance)
  if distance == nil then distance = 1 end
  for i = 1, distance do
    turtle.digDown()
    sleep(0.5)
    if distance > 1 then
      goDown()
    end
  end
end

function getFuel()
  return turtle.getFuelLevel()
end

function getFuelCount()
  return turtle.getItemCount(fuelSlot)
end

function refuel(amount)
  if amount == nil then amount = defaultRefuelAmount end
  turtle.select(fuelSlot)
  turtle.refuel(amount)
  turtle.select(1)
end

function dropLoad()
  print("Dropping off load of wood")
  shell.run("turn", "around")
  for i = 1, 14 do
    turtle.select(i)
    turtle.drop()
  end
  turtle.select(1)
  shell.run("turn", "around")
end

function returnToGround()
  print("returning to ground level")
  while turtle.detectDown() == false do
    turtle.down()
  end
end

function waitForGrowth()
  if turtle.detect() == false then
    --print("TICK")
    return false
  else
    print("Tree has grown!")
    return true
  end
end

function chopTree(redwood)
  print("Chopping down tree")
  if redwood == true then
    dig()
    goForward()
    while turtle.detectUp() == true do
      shell.run("turn", "right")
      dig()
      shell.run("turn", "left")
      dig()
      goForward()
      shell.run("turn", "right")
      dig()
      shell.run("turn", "left")
      goBack()
      digUp()
      goUp()
    end
    if turtle.detect() == true then
      shell.run("turn", "right")
      dig()
      shell.run("turn", "left")
      dig()
      goForward()
      shell.run("turn", "right")
      dig()
      shell.run("turn", "left")
      goBack()
    end
    returnToGround()
    goBack()
    dropLoad()
  else
    dig()
    goForward()
    while turtle.detectUp() == true do
      turtle.digUp()
      goUp()
    end
    returnToGround()
    goBack()
    dropLoad()
  end
end

function coreRoutine()
  while true do
    while waitForGrowth() == false do
      sleep(60)
    end
    if waitForGrowth() == true then
      if fuelStockCritical() == true then
        goToRefuelChest()
      end
      if getFuel() < 50 then
        refuel()
      end
      goDown()
      chopTree(isRedwood)
      plantSaplings(isRedwood)
      goUp()
    end
  end
end

function plantSaplings(redwood)
  print("planting saplings")
  if redwood == true then
    if turtle.getItemCount(saplingSlot) == 0 then
      print("Out of Saplings!")
      return false
    elseif turtle.getItemCount(saplingSlot) < 4 then
      print("Insufficient Saplings")
      return false
    else
      turtle.select(saplingSlot)
      turtle.up()
      turtle.forward()
      turtle.placeDown()
      turtle.forward()
      turtle.placeDown()
      turtle.turnRight()
      turtle.forward()
      turtle.placeDown()
      turtle.turnRight()
      turtle.forward()
      turtle.placeDown()
      turtle.forward()
      turtle.turnRight()
      turtle.forward()
      turtle.turnRight()
      turtle.down()
      turtle.select(1)
    end
  else
    if turtle.getItemCount(saplingSlot) == 0 then
      print("Out of Saplings!")
    else
      turtle.select(saplingSlot)
      turtle.up()
      turtle.forward()
      turtleplaceDown()
      turtle.back()
      turtle.down()
      turtle.select(1)
    end
  end
end

function fuelStockCritical()
  if getFuelCount() <= 5 then
    return true
  else
    return false
  end
end

function goToRefuelChest()
   if turtle.detectDown() == true then
     goUp()
   else
     returnToGround()
     goUp()
   end
   shell.run("turn", "around")
   goForward(3)
   turtle.select(fuelSlot)
   turtle.suckDown()
   turtle.select(1)
   shell.run("turn", "around")
   goForward(3)
   returnToGround()
end

if tArgs[1] == nil then
   if fuelStockCritical() == true then
     print("Fuel stock low, going to grab more fuel")
     goToRefuelChest()
   end

   if getFuel() < 50 then
     refuel()
   end

   isRedwood = false
   if turtle.detect() == false then
     plantSaplings()
   else
     turtle.up()
     if turtle.detect() == true then
       turtle.down()
       chopTree()
       plantSaplings()
     end
   end
elseif tArgs[1] == "redwood" then
   if fuelStockCritical() == true then
     print("Fuel stock low, going to grab more fuel")
     goToRefuelChest()
   end

   if getFuel() < 50 then
     refuel()
   end
  isRedwood = true
  if turtle.detect() == false then
    plantSaplings(true)
  else
    turtle.up()
    if turtle.detect() == true then
      turtle.down()
      chopTree(true)
      plantSaplings(true)
    end
  end
end

print("Starting main routine")
if turtle.detectDown() == true then
  goUp()
end
coreRoutine()