Obsidian Generator

--Author: Ferrwolf
-- This program is designed for user to place lava in two 2x18 areas
-- A special thanks to HPWebcamAble and Bomb Bloke. Without their help this project would not be possible.

term.clear()
term.setCursorPos(1,1)
print("Welcome to Obsidian generator. To start, Place the turtle at the level you will be making the obsidian facing the area you wish the turtle to make the obsidian. Next place a lava source directly behind and two blocks above the turtle, and place a chest  or barrel on the turtles left side at the same level as your lava source. Place 64 lava cells into slot 1, 13 into slot 2, and 1 water cell in slot 3.")
sleep(10)
print("If you wish to move or are no longer needing the obsidian, have the turtle make one run, replacing the lava cells with the same number of the block of your choice. Keep the water cell in slot 3.")

if turtle.getItemCount(1) < 64 then
  term.clear()
  term.setCursorPos(1,5)
  print("Please place 64 lava cells slot 1, 13 lava cells in slot 2, and 1 water cell in slot 3.")
  sleep(2)
  term.clear()
  sleep(1)
  term.setCursorPos(1,5)
  print("Please place 64 lava cells slot 1, 13 lava cells in slot 2, and 1 water cell in slot 3.")
  sleep(2)
  term.clear()
  sleep(1)
  term.setCursorPos(1,5)
  print("Please place 64 lava cells slot 1, 13 lava cells in slot 2, and 1 water cell in slot 3.")
  sleep(2)
  term.clear()
  print("Once you place the items in the correct slots, please start me again.")
  print("Shutting down in 3")
  sleep(2)
  print("2")
  sleep(2)
  print("1")
  sleep(2)
  os.shutdown()
elseif turtle.getItemCount(2) < 13 then
  term.clear()
  term.setCursorPos(1,5)
  print("Please place 13 lava cells in slot 2, and 1 water cell in slot 3.")
  sleep(2)
  term.clear()
  sleep(1)
  term.setCursorPos(1,5)
  print("Please place 13 lava cells in slot 2, and 1 water cell in slot 3.")
  sleep(2)
  term.clear()
  sleep(1)
  term.setCursorPos(1,5)
  print("Please place 13 lava cells in slot 2, and 1 water cell in slot 3.")
  sleep(2)
  term.clear()
  print("Once you place the items in the correct slots, please start me again.")
  print("Shutting down in 3")
  sleep(2)
  print("2")
  sleep(2)
  print("1")
  sleep(2)
  os.shutdown()
  elseif turtle.getItemCount(3) < 1 then
    term.clear()
    term.setCursorPos(1,5)
    print("Please place 1 water cell in slot 3.")
    sleep(2)
    term.clear()
    sleep(1)
    term.setCursorPos(1,5)
    print("Please place 1 water cell in slot 3.")
    sleep(2)
    term.clear()
    sleep(1)
    term.setCursorPos(1,5)
    print("Please place 1 water cell in slot 3.")
    sleep(2)
    term.clear()
    print("Once you place the items in the correct slots, please start me again.")
    print("Shutting down in 3")
    sleep(2)
    print("2")
    sleep(2)
    print("1")
    sleep(2)
    os.shutdown()
    elseif turtle.getItemCount(3) > 1 then
      term.clear()
      term.setCursorPos(1,5)
      print("Please place only 1 water cell in slot 3. You have too many!")
      sleep(2)
      term.clear()
      sleep(2)
      term.setCursorPos(1,5)
      print("Please place only 1 water cell in slot 3. You have too many!")
      sleep(2)
      term.clear()
      sleep(2)
      term.setCursorPos(1,5)
      print("Please place only 1 water cell in slot 3. You have too many!")
      sleep(2)
      term.clear()
      print("Once you place the item in the correct slot, please start me again.")
      print("Shutting down in 3")
      sleep(2)
      print("2")
      sleep(2)
      print("1")
      sleep(2)
      os.shutdown()
end

--Requests number of runs from user

term.write("How many runs would you like: ")
local runs = tonumber(read())
local counter = 0

-- Turtle mines the first row of obsidian

while runs > 0 do
runs=runs-1
counter=counter+1
turtle.select(16)
for i=0,18 do
  while not turtle.forward() do
    turtle.attack()
    turtle.dig()
  end
end

-- Sets the turtle up to mine the second row

turtle.turnRight()
turtle.dig()
while not turtle.forward() do
  turtle.attack()
  turtle.dig()
end
turtle.turnRight()

-- Turtle mines the second row

for i=0,17 do
  while not turtle.forward() do
    turtle.attack()
    turtle.dig()
  end
end

-- Turtle moves the the second plot and prepares to mine the 3rd row

turtle.turnLeft()
turtle.dig()
while not turtle.forward() do
    turtle.attack()
    turtle.dig()
end
turtle.dig()
while not turtle.forward() do
    turtle.attack()
    turtle.dig()
end
turtle.turnLeft()

-- Turtle mines the 3rd row

for i=0,17 do
  while not turtle.forward() do
    turtle.attack()
    turtle.dig()
  end
end

-- Turtle prepares to mine 4th row

turtle.turnRight()
turtle.dig()
while not turtle.forward() do
    turtle.attack()
    turtle.dig()
end
turtle.turnRight()

-- Turtle mines the 4th row

for i=0,4 do
  while not turtle.forward() do
    turtle.attack()
    turtle.dig()
  end
end

turtle.select(15)

for i=0,12 do
  while not turtle.forward() do
    turtle.attack()
    turtle.dig()
  end
end

-- Returns turtle to starting point while placing lava

turtle.select(1)

for i=0,17 do
turtle.back()
turtle.place()
end

turtle.turnLeft()
turtle.back()
turtle.place()
turtle.turnLeft()
turtle.back()
turtle.place()

for i=0,16 do
turtle.back()
turtle.place()
end

turtle.turnRight()
turtle.back()
turtle.place()
turtle.back()
turtle.place()
turtle.turnRight()

for i=0,17 do
turtle.back()
turtle.place()
end

turtle.turnLeft()
turtle.back()
turtle.place()
turtle.turnLeft()
turtle.back()
turtle.place()

for i=0,4 do
turtle.back()
turtle.place()
end

turtle.select(2)

for i=0,12 do
turtle.back()
turtle.place()
end

--Placing water to make obsidian
turtle.select(3)
turtle.up()
turtle.forward()
turtle.turnRight()
turtle.forward()
turtle.forward()
turtle.turnLeft()
turtle.forward()
turtle.forward()
turtle.forward()
turtle.forward()
turtle.place()
sleep(3)
turtle.place()
for i=0,9 do
  turtle.forward()
end
turtle.place()
sleep(3)
turtle.place()
turtle.turnLeft()
turtle.forward()
turtle.forward()
turtle.turnLeft()
for i=0,14 do
  turtle.forward()
end
turtle.up()
turtle.select(1)
turtle.place()
turtle.select(2)
turtle.place()
turtle.select(4)
while turtle.getItemCount(4) > 1 do
  turtle.place()
end
turtle.place()
turtle.select(5)
while turtle.getItemCount(5) > 1 do
  turtle.place()
end
turtle.place()
turtle.select(4)
turtle.transferTo(1)
turtle.select(5)
turtle.transferTo(1)
turtle.select(6)
turtle.transferTo(1)
turtle.transferTo(2)
turtle.select(7)
turtle.transferTo(2)
turtle.turnRight()
turtle.select(16)
turtle.drop()
turtle.select(15)
turtle.drop()
turtle.turnRight()
turtle.down()
turtle.down()
term.clear()
term.setCursorPos(1,1)
print("Run complete!")
end
counter = tostring(counter)
term.write("The turtle has completed ")
term.write(counter)
print(" runs!")