TN

##-- My turtle Program Made by Callum
-- Current block
print("This is Callum's 3x3 Tunnel Building Program")
print("The turtle will Mine a 3x3 tunnel starting at the block IN FRONT of the currrent position of the turtle")
print("ALWAYS but a chest directly behind where the turtle originally started for the materials to go into, otherwise the turtle will throw the items on the floor and despawn")
local x
-- How far to go
local y
-- Torches
local t
local f
local p
local v
print("How far do you want me to mine?")
x = 0
y = tonumber(read())
t = 7
f = turtle.getFuelLevel()
print("Do you want me to place torches? (Yes or No)")
v = (read())
p = y * 9 + y + y
if f < p then
  print("This turtle does not have the necessary fuel to do the tunnel size you have selected.")
  print("the longest tunnel you can do is")
  print(f / 11)
end
while x < y do
  while turtle.detect() do
    turtle.dig()
  end
  turtle.forward()
  turtle.turnRight()
  while turtle.detect() do
    turtle.dig()
  end
  turtle.turnLeft()
  turtle.turnLeft()
  while turtle.detect() do
    turtle.dig()
  end
  while turtle.detectUp() do
    turtle.digUp()
    sleep(0.4)
  end
  turtle.up()
  while turtle.detect() do
    turtle.dig()
  end
  turtle.turnRight()
  turtle.turnRight()
  while turtle.detect() do
    turtle.dig()
  end
  while turtle.detectUp() do
    turtle.digUp()
    sleep(0.4)
  end
  turtle.up()
  while turtle.detect() do
    turtle.dig()
  end
  turtle.turnLeft()
  turtle.turnLeft()
  while turtle.detect() do
    turtle.dig()
  end
  turtle.turnRight()
  while turtle.detectDown() do
    turtle.digDown()
  end
  turtle.down()
  while turtle.detectDown() do
    turtle.digDown()
  end
  turtle.down()
  turtle.turnRight()
  while turtle.detect() do
    turtle.dig()
  end
  turtle.turnLeft()
  turtle.turnLeft()
  while turtle.detect() do
    turtle.dig()
  end
  turtle.turnRight()

  x = x + 1
  t = t + 1
  if v == ("Yes") then
    if t==8 then
      turtle.turnLeft()
      turtle.place()
      turtle.turnRight()
      t = 1
    end
  end
  if turtle.getItemCount(16) > 0 then
    turtle.turnLeft()
    turtle.turnLeft()
    for i=1,x do
      if turtle.detect() then
        turtle.dig()
      end
      turtle.forward()
    end
    turtle.select(2)
    turtle.drop(64)
    turtle.select(3)
    turtle.drop(64)
    turtle.select(4)
    turtle.drop(64)
    turtle.select(5)
    turtle.drop(64)
    turtle.select(6)
    turtle.drop(64)
    turtle.select(7)
    turtle.drop(64)
    turtle.select(8)
    turtle.drop(64)
    turtle.select(9)
    turtle.drop(64)
    turtle.select(10)
    turtle.drop(64)
    turtle.select(11)
    turtle.drop(64)
    turtle.select(12)
    turtle.drop(64)
    turtle.select(13)
    turtle.drop(64)
    turtle.select(14)
    turtle.drop(64)
    turtle.select(15)
    turtle.drop(64)
    turtle.select(16)
    turtle.drop(64)
    turtle.select(1)
    turtle.turnLeft()
    turtle.turnLeft()
    for i=1,x do
      turtle.forward()
    end
  end
end



if x==y then
  turtle.turnLeft()
  turtle.turnLeft()
  for i=1,x do
    if turtle.detect() then
      turtle.dig()
    end
    turtle.forward()
  end
  turtle.select(2)
  turtle.drop(64)
  turtle.select(3)
  turtle.drop(64)
  turtle.select(4)
  turtle.drop(64)
  turtle.select(5)
  turtle.drop(64)
  turtle.select(6)
  turtle.drop(64)
  turtle.select(7)
  turtle.drop(64)
  turtle.select(8)
  turtle.drop(64)
  turtle.select(9)
  turtle.drop(64)
  turtle.select(10)
  turtle.drop(64)
  turtle.select(11)
  turtle.drop(64)
  turtle.select(12)
  turtle.drop(64)
  turtle.select(13)
  turtle.drop(64)
  turtle.select(14)
  turtle.drop(64)
  turtle.select(15)
  turtle.drop(64)
  turtle.select(16)
  turtle.drop(64)
  print("I have finished your new Tunnel! All materials collected have been placed in the chest.")
  print("The current remaining fuel level is")
  print(f)
end