Tree Turtle Initial Release v1.03

--Changelog v1.01
-- Fixed tree growing in turtle
-- Possibly fixed random crashes

--Changelog v1.02
-- Added basic session support,
-- - if the server crashed while it was planting bonemeal it will return to its original position.

--Changelog v1.03
-- Removed rebooting the turtle, will now run on it's own. (Damnit h variable)

if(turtle.detect()) then
turtle.down()
if turtle.detect() then
print("I've crashed, woops.")
for i=1,7 do
turtle.back()
end
turtle.turnLeft()
for i=1,8 do turtle.back() end
end
end

if (turtle.detect() and not turtle.detectDown()) then
print("Detected crash, going back.")
while not turtle.detectDown() do
turtle.back()
end
turtle.turnLeft()
for i=1,8 do turtle.back() end
end

h = 0
function checkFuel()
if turtle.getFuelLevel() < 200 then
print("Turtle refueling.")
turtle.select(4)
turtle.turnLeft()
turtle.turnLeft()
turtle.suck()
if turtle.refuel() then
print("Turtle refueled.")
else
print("The turtle could not refuel.")
turtle.turnLeft()
turtle.turnLeft()
checkFuel()
end
turtle.turnLeft()
turtle.turnLeft()
checkFuel()
end
end

function newFuel()
turtle.select(16)
if turtle.refuel() then
print("Turtle refueled.")
else
print("Turtle could not refuel. Retrying in 10 seconds..")
sleep(10)
newFuel()
end
end

function checkSapling()
print("Checking Saplings.")
if turtle.getItemCount(1) < 8 then
print("Need moar saplings.")
turtle.select(1)
turtle.turnLeft()
turtle.suck()
if turtle.getItemCount(1) < 8 then
turtle.suck()
end
turtle.select(2)
turtle.drop()
turtle.select(3)
turtle.drop()
turtle.select(1)
turtle.turnRight()
end
end


function checkBonemeal()
turtle.select(14)
print("Attempting to get bonemeal..")
if turtle.getItemCount(14) < 1 then
if turtle.suckUp() then
print("Got bonemeal!")
sleep(5)
os.reboot()
end
end
if turtle.getItemCount(14) < 2 then
print(".. need moar bonemeal.")
if turtle.suckUp() then
turtle.select(15)
turtle.dropUp()
sleep(5)
os.reboot()
end
end
end

function moveToPosition()
print("Awayyyyyyy!")
for i=1,8 do turtle.forward() turtle.attack() end
turtle.turnRight()
for i=1,7 do turtle.forward() turtle.attack() end
end

function placeSapling()
turtle.select(1)
if not turtle.detect() then
for i=1,2 do turtle.forward() end
turtle.turnLeft()
turtle.place()
turtle.turnRight()
turtle.back()
turtle.place()
turtle.turnLeft()
turtle.place()
turtle.turnRight()
turtle.back()
turtle.place()
turtle.select(14)
else
print("Saplings were already there, ignoring.")
end
sleep(2)
print("Attempting to bonemeal..")
turtle.place()
end

function checkTree()
turtle.select(16)
turtle.digUp()
turtle.up()
if not turtle.detect() then
print("Tree hasen't grown, sleeping.")
print("Every day I'm shufflin'")
turtle.down()
sleep(3)
turtle.select(14)
turtle.place()
checkTree()
end

turtle.down()
turtle.select(5)
turtle.dig()
turtle.forward()
turtle.turnLeft()
while turtle.detectUp() do
turtle.dig()
turtle.digUp()
turtle.up()
h = h + 1
end
turtle.turnRight()
turtle.dig()
turtle.forward()
turtle.turnLeft()
turtle.select(5)
for i = 1,h do
turtle.digDown()
turtle.down()
turtle.dig()
end
turtle.turnRight()
for i=1,9 do turtle.back() turtle.attack() end
turtle.turnLeft()
for i=1,8 do turtle.back() turtle.attack() end
turtle.turnRight()

turtle.select(6)
if turtle.getFuelLevel() < 500 then
turtle.transferTo(16, 64)
print("Kept some fuel. Eating it.")
turtle.select(16)
turtle.refuel()
end

for i=5,9 do
turtle.select(i)
turtle.drop()
end
turtle.turnLeft()
print("Yay!")
os.reboot()
end

if redstone.getInput("bottom") then
print("Stopped.")
print("Checking turtle in 10 seconds.")
sleep(10)
os.reboot()
end

while true do
if turtle.getFuelLevel() < 100 then
newFuel()
end
checkBonemeal()
checkSapling()
moveToPosition()
placeSapling()
checkTree()
h = 0
end