turtle.bridge 1.99.7

local tArgs = { ... }
if #tArgs ~= 1 then
        print( "Usage: bridge <# of Sections>" )
        return
end
local length = tonumber( tArgs[1] )
if length < 1 then
        print( "The number of sections to your bridge" )
        print( "must be a positive number." )
        print( " " )
        print( "Each section is 31 blocks long plus an" )
        print( "additional 3 at the end." )
        print( "(If you choose [bridge 1] then you will" )
        print( " need 34 blocks of space to build.)" )
        print( "Press any key to continue..." )
        os.pullEvent("char")
        return
end

term.clear()
print( "*******************************" )
print( "***********WELCOME!************" )
print( "*******************************" )
print( "********turtle.bridge()********" )
print( "**************is***************" )
print( "************ACTIVE*************" )
print( "***Please read & follow all****" )
print( "****instructions closely.******" )
print( "*******************************" )
print( "Press any key to continue..." )
os.pullEvent("char")
term.clear()
print( "*******************************" )
print( "*******turtle.bridge()*********" )
print( "*****is brought to you by******" )
print( "******theCountChuckula*********" )
print( "*******************************" )
print( "Press any key to continue..." )
os.pullEvent("char")
term.clear()
print( "Place 2+ Block-Auto-Re-Filled" )
print( "Ender Chests into Slot 1." )
print( "Place 2+ Fuel-Auto-Re-Filled" )
print( "Ender Chests into Slot 2." )
print( "Place 2+ Auto-Sorting" )
print( "Ender Chests into Slot 3." )
print( "Press any key to continue..." )
os.pullEvent("char")
term.clear()
print( "I mean it. At least 2 of each chest!" )
print( "When the turtle places one, it uses" )
print( "the extras as a placeholder to prevent" )
print( "errors." )
print( "Press any key to continue..." )
os.pullEvent("char")
term.clear()
local dist = ((length * 31) + 3)
print( "Turtle will build a bridge ", dist )
print( "blocks long!" )
print( " " )
print( "If you didn't plan for that much" )
print( "space, use CTRL+T to cancel the" )
print( "program." )
print( "Press any key to continue..." )
os.pullEvent("char")
term.clear()
shell.run( "refuel all" )

local function ascend()
  while turtle.detectUp() do
    turtle.digUp()
    sleep(1)
  end
  turtle.up()
  turtle.select(16)
  turtle.placeDown()
end
local function descend()
  turtle.digDown()
  turtle.down()
end
local function refuel()
  turtle.select(5)
  while turtle.detectUp() do
    turtle.digUp()
    sleep(1)
  end
  turtle.select(2)
  turtle.placeUp()
  turtle.select(15)
  turtle.suckUp()
  shell.run("refuel all")
  turtle.select(2)
  turtle.digUp()
end
local function restock()
  turtle.select(5)
  while turtle.detectUp() do
    turtle.digUp()
    sleep(1)
  end
  turtle.select(1)
  turtle.placeUp()
  turtle.select(16)
  turtle.suckUp()
  turtle.select(1)
  turtle.digUp()
end

local function unload()
  turtle.select(5)
  while turtle.detectUp() do
    turtle.digUp()
    sleep(1)
  end
  turtle.select(3)
  turtle.placeUp()
  for s = 4, 14 do
    turtle.select(s)
    turtle.dropUp()
  end
  turtle.select(3)
  turtle.digUp()
end

local function checks()

  if turtle.getFuelLevel() < 140 then
    refuel()
  end

  if turtle.getItemCount(16) < 64 then
    restock()
  end

end

local function surface()
  if turtle.getItemCount(16) < 4 then
    checks()
    unload()
  end
  if turtle.getFuelLevel() < 4 then
    checks()
    unload()
  end
  turtle.turnLeft()
  turtle.select(16)
  while turtle.detect() do
    turtle.dig()
    sleep(1)
  end
  turtle.place()
  turtle.turnRight()
  turtle.turnRight()
  turtle.select(16)
  while turtle.detect() do
    turtle.dig()
    sleep(1)
  end
  turtle.place()
  turtle.turnLeft()
  ascend()
  while turtle.detectUp() do
    turtle.digUp()
    sleep(1)
  end
  while turtle.detect() do
    turtle.dig()
    sleep(1)
  end
  turtle.forward()
end

local function pillar()
  checks()
  unload()

  for i = 1, 63 do
    descend()
  end

  for i = 1, 62 do
    ascend()
  end
  surface()
end

local function beginArch()

  checks()
  unload()

  for i = 1, 11 do
    descend()
  end

  for i = 1, 10 do
    ascend()
  end
  surface()
  for i = 1, 9 do
    descend()
  end

  for i = 1, 8 do
    ascend()
  end
  surface()
  for i = 1, 6 do
    descend()
  end

  for i = 1, 5 do
    ascend()
  end
  surface()
  for i = 1, 4 do
    descend()
  end

  for i = 1, 3 do
    ascend()
  end
  surface()
  for i = 1, 3 do
    descend()
  end

  for i = 1, 2 do
    ascend()
  end
  surface()
  for i = 1, 3 do
    descend()
  end

  for i = 1, 2 do
    ascend()
  end
  surface()
  for i = 1, 2 do
    descend()
  end
  ascend()
  surface()
  for i = 1, 2 do
    descend()
  end
  ascend()
  surface()
  for i = 1, 2 do
    descend()
  end
  ascend()
  surface()

end

local function endArch()

  checks()
  unload()

  for i = 1, 2 do
    descend()
  end
  ascend()
  surface()
  for i = 1, 2 do
    descend()
  end
  ascend()
  surface()
  for i = 1, 2 do
    descend()
  end
  ascend()
  surface()
  for i = 1, 3 do
    descend()
  end

  for i = 1, 2 do
    ascend()
  end
  surface()
  for i = 1, 3 do
    descend()
  end

  for i = 1, 2 do
    ascend()
  end
  surface()
  for i = 1, 4 do
    descend()
  end

  for i = 1, 3 do
    ascend()
  end
  surface()
  for i = 1, 6 do
    descend()
  end

  for i = 1, 5 do
    ascend()
  end
  surface()
  for i = 1, 9 do
    descend()
  end

  for i = 1, 8 do
    ascend()
  end
  surface()
  for i = 1, 11 do
    descend()
  end

  for i = 1, 10 do
    ascend()
  end
  surface()

end

local function path()
  descend()
  for i = 1, 10 do
    surface()
    descend()
  end
  ascend()
end

for l = 1, length do
pillar()
pillar()
pillar()
beginArch()
path()
endArch()
end
pillar()
pillar()
pillar()