TreeFarmer

a = 0

function mine()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.turnRight()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.dig()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnLeft()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.turnLeft()
    turtle.turnLeft()
end

function mineTree()
    turtle.back()
    turtle.back()
    turtle.turnLeft()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    mine()
    turtle.up()
    mine()
    turtle.up()
    mine()
    turtle.up()
    mine()
    turtle.up()
    mine()
    turtle.up()
    mine()
    turtle.down()
    turtle.down()
    turtle.down()
    turtle.down()
    turtle.down()
    turtle.forward()
    turtle.forward()
    turtle.turnRight()
    turtle.forward()
    turtle.forward()
    turtle.turnLeft()
    turtle.select(5)
    if turtle.getItemCount() > 0 then
        turtle.place()
    else
        turtle.turnRight()
        while a > 0 do
            turtle.back()
            turtle.back()
            turtle.back()
            turtle.back()
            turtle.back()
            a = a - 1
        end
        error()
    end
end

function checkTree()
    turtle.turnLeft()
    success, data = turtle.inspect()
    if data.name == "minecraft:log" then
        mineTree()
    end
    turtle.turnRight()
end



print("+-------------------------------------+")
print("| Auto Tree Farmer                    |")
print("+-------------------------------------+")
print("| Slot 1: Fuel                        |")
print("| Slot 5: Saplings                    |")
print("+-------------------------------------+")
print("| Place turtle facing towards desired |")
print("| direction on same level as tree to  |")
print("| the right of the tree. Insert fuel. |")
print("| Press enter to start.               |")
print("+-------------------------------------+")
print("")
read()
print("+-------------------------------------+")
print("| Number of Trees to Check = ?        |")
print("+-------------------------------------+")
n = tonumber(read())
turtle.refuel()
checkTree()
while a < n do
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    turtle.forward()
    checkTree()
    a = a + 1
end

while a > 0 do
    turtle.back()
    turtle.back()
    turtle.back()
    turtle.back()
    turtle.back()
    a = a - 1
end