Tree

-- Variables
local boneCountMin = 32
local saplingCountMin = 5
local boneTries = 32
local boneIndex = 1
local saplingIndex = 2
local storageIndex = 3

-- Stats
local treesCut = 0
local saplingsUsed = 0
local bonemealUsed = 0
local logsDeposited = 0
local logsPerTree = 0



print("Place bonemeal in slot " .. boneIndex)
print("Place saplings in slot " .. saplingIndex)
print("slots " .. storageIndex .. ".. 16 are for storage")
print("Press enter to begin")
io.read()
print("Beginning...")

-- Functions
function DisplayStats()
  print("")
  print("Logging Stats")
  print("Total Logs: " .. logsDeposited)
  print("Total Trees: " .. treesCut)
  print("avg log/tree: " .. logsPerTree)
  print("Bonemeal Used: " .. bonemealUsed)
  print("Saplings Used: " .. saplingsUsed)
end


function Deposit(s, e)
  treesCut = treesCut + 1
  local count = 0
  for i = s, e do
    turtle.select(i)
    count = count + turtle.getItemCount()
    turtle.drop()
  end
  logsDeposited = logsDeposited + count
  logsPerTree = logsDeposited / treesCut
  print("Deposited " .. count .. " logs")
end

function Bone(idx)
  turtle.select(idx)
  local bstart = turtle.getItemCount()
  for i = 0, boneTries do
    turtle.place()
  end
  local bend = turtle.getItemCount()
  bonemealUsed = bonemealUsed + (bstart - bend)
end

function Plant(idx)
  turtle.select(idx)
  turtle.place()
  saplingsUsed = saplingsUsed + 1
end

function Resupply()
  turtle.turnLeft()
  turtle.select(boneIndex)
  while (turtle.getItemCount() < boneCountMin) do
    turtle.suck(1)
  end
  turtle.turnRight()
  turtle.turnRight()
  turtle.select(saplingIndex)
  while (turtle.getItemCount() < saplingCountMin) do
    turtle.suck()
  end
  turtle.turnLeft()
end

-- Main
sleep(1)
while (true) do
  DisplayStats()
  print("Beginning iteration " .. treesCut)
  Resupply()
  Plant(saplingIndex)
  Bone(boneIndex)
  turtle.dig()
  turtle.forward()

  local h = 0
  while(turtle.detectUp()) do
    turtle.digUp()
    turtle.up()
    h = h + 1
  end

  for i = 0, h do
    turtle.down()
  end
  turtle.back()
  turtle.turnRight()
  turtle.turnRight()
  Deposit(storageIndex, 16)
  turtle.turnRight()
  turtle.turnRight()
end