Railway_v0.1

local tArgs = { ... }
local dis = tonumber(tArgs[1])

local cPath = 1
local Edge = 5
local uPath = 9
local cPathEnChest = 4
local EdgeEnChest = 8
local uPathEnChest = 12
--local y = 0

--Functions


local function dumpCrap()
    turtle.select(16)
    turtle.place()
    turtle.select(2)
    turtle.drop()
    turtle.select(3)
    turtle.drop()
    turtle.select(6)
    turtle.drop()
    turtle.select(7)
    turtle.drop()
    turtle.select(10)
    turtle.drop()
    turtle.select(11)
    turtle.drop()
    turtle.select(13)
    turtle.drop()
    turtle.select(14)
    turtle.drop()
    turtle.select(15)
    turtle.drop()
    turtle.select(16)
    turtle.dig()
end

local function getItem(slot,chestslot)
    turtle.dig()
    turtle.select(chestslot)
    turtle.place()
    turtle.select(slot)
    turtle.suck()
    turtle.select(chestslot)
    turtle.dig()
end

local function CheckslotCount(slot,chestslot)
    if turtle.getItemCount(slot) < 4 then
        getItem(slot,chestslot)
    end
end

local function tfuel(amount)
 if turtle.getFuelLevel() < 5 then
  turtle.select(5)
  turtle.refuel(amount)
 end
end

local function checkHeight()
  if turtle.detectDown() then
    for i = 1, 10 do
      turtle.up()
      sleep(0.2)
    end
  else
    turtle.down()
    sleep(0.2)
    tfuel(1)
    --y = y + 1
    checkHeight()
  end
end

-- Main Script


for i = 1, dis do

 --if i % 2 == 0 then
 checkHeight()
 --end

 tfuel(1)
 turtle.digDown()
 turtle.select(uPath)
 turtle.placeDown()
 turtle.turnLeft()
 turtle.dig()
 turtle.select(Edge)
 turtle.place()

 turtle.turnRight()
 turtle.turnRight()
 turtle.dig()

 turtle.select(Edge)
 turtle.place()

 turtle.turnLeft()
 turtle.dig()

 tfuel(1)
 turtle.forward()
 turtle.turnRight()
 turtle.turnRight()
 turtle.select(cPath)
 turtle.place()

 turtle.turnRight()
 turtle.turnRight()

 if i % 4 == 0 then
    dumpCrap()
 end

 CheckslotCount(cPath,cPathEnChest)
 CheckslotCount(Edge,EdgeEnChest)
 CheckslotCount(uPath,uPathEnChest)
 print( i .. " of " .. dis .. " meters built")
end