--[[

F3l1x Tree Felling Program

Starting Turtle inventory:

1- Fuel
2- Bonemeal
3- Sapling
4- Tree Log

Items Positioning:

t = tree
c = chest
T = turtle

  tt
  tt
ccT
cc cc
  c
  c

]]--

--Apply Bonemeal
function bm()
    turtle.select(3)
    while turtle.compare() do
        turtle.select(2)
        turtle.place()
        turtle.select(3)
    end
    turtle.select(1)
end

--Plant Tree
function plant()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    turtle.select(3)
    turtle.place()
    turtle.turnLeft()
    turtle.back()
    turtle.place()
    turtle.turnRight()
    turtle.place()
    turtle.turnLeft()
    turtle.back()
    turtle.place()
    bm()
end

function fuel()
    if turtle.getFuelLevel() < 10 then
        turtle.selet(1)
        turtle.refuel(5)
    end
end

function refill()
    turtle.turnLeft()
    turtle.select(3)
    turtle.suck()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.select(1)
    turtle.suck()
    turtle.turnLeft()
    turtle.select(2)
    turtle.suck()
    turtle.turnLeft()
    turtle.select(4)
    turtle.suck()
    for i = 5, 16 do
        turtle.select(i)
        turtle.drop()
    end
end

while true do
    fuel()
    refill()
    plant()
    turtle.dig()
    turtle.forward()
    j = 0
    while turtle.detectUp() do
        turtle.digUp()
        turtle.dig()
        turtle.up()
        j++
    end
    turtle.dig()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    while not j == 0
        turtle.dig()
        turtle.digDown()
        turtle.down()
        j--
    end
    turtle.dig()
    turtle.turnLeft()
    turtle.forward()
    turtle.turnRight()
    turtle.back()
    sleep(1.5)
end