--[[Computer slot 1, Filter slot 2, Timer slot 3, Chest slot 4, Fuel slot 15, torches slot 16.]]
-- Create the function for refueling
function checkFuel()
if turtle.getFuelLevel() <= 20 then
if turtle.getItemCount(15) == 0 then
print("Out of fuel.")
exit()
else
turtle.select(15)
turtle.refuel(1)
turtle.select(1)
end --if
end --if
end --checkFuel()
-- Create the turnAround function
function turnAround()
turtle.turnRight()
turtle.turnRight()
end --turnAround()
-- Digs the tunnel for the given length
function tunnel(givenLength)
local torchDistance = 0
d = 0
while d <= 75 do
if turtle.detect() then
repeat
turtle.dig()
sleep(0.50)
until turtle.detect() == false
end --if
turtle.forward()
if turtle.detectUp() then
repeat
turtle.digUp()
sleep(0.50)
until turtle.detectUp() == false
end --if
turtle.turnLeft()
if turtle.detect() then
repeat
turtle.dig()
sleep(0.50)
until turtle.detect() == false
end --if
turtle.up()
if turtle.detect() then
repeat
turtle.dig()
sleep(0.50)
until turtle.detect() == false
end--if
turtle.turnRight()
turtle.turnRight()
if turtle.detect() then
repeat
turtle.dig()
sleep(0.50)
until turtle.detect() == false
end
turtle.down()
if turtle.detect() then
repeat
turtle.dig()
sleep(0.50)
until turtle.detect() == false
end
turtle.turnLeft()
d = d + 1
torchDistance = torchDistance + 1
-- attempts to place a block below
turtle.select(1)
turtle.placeDown()
-- Places a torch every 9 blocks
if torchDistance == 9 then
print("Placing torch...")
turtle.select(16)
turnAround()
turtle.place()
turnAround()
torchDistance = 0
checkFuel()
end --if
end --for
-- Sends the turtle back to the start
turtle.up()
turnAround()
for index = 1,givenLength do
checkFuel()
if not turtle.detect() then
turtle.forward()
else
repeat
turtle.dig()
turtle.sleep(0.25)
until turtle.detect() == false
turtle.forward()
end --if
end --for
turtle.down()
turnAround()
end --tunnel()
-- Main script
print("Input tunnel length:")
local length = 75
print("Starting excavation...")
tunnel(length)
term.clear()
print("The tunnel has been excavated!")
