Treppe_UP

local tArgs = { ... }
if #tArgs ~= 1 then
 print("Usage: Hoehe <high>")
 return
end

-- Mine in a quarry pattern until we hit something we can`t dig
local high = tonumber( tArgs[1] )
 if high < 1 then
  print("Treppen hoehe must be positive")
  return
 end

local depth = high
local collected = 0
local ll = 0

print("Treppen in Fach 15 legen")
print("Fackeln in Fach 14 legen")
print("Steine in Fach 1 legen")
print("Schritte bis Ebene 12 = ",high)
print()
print(" In 10 Sec geht es los")
sleep(10)

local function collect()
 collected = collected +1
  if math.fmod(collected, 25) == 0 then
   print("Mined "..collected.." items.")
  end
end

local function tryDig()
 while turtle.detect() do
  if turtle.dig() then
   collect()
   sleep(0.5)
  else
   return false
  end
 end
 return true
end

local function tryDigDown()
    while turtle.detectDown() do
        if turtle.digDown() then
            collect()
            sleep(0.5)
        else
            return false
        end
    end
    return true
end

local function tryDigUp()
    while turtle.detectUp() do
        if turtle.digUp() then
            collect()
            sleep(0.5)
        else
            return false
        end
    end
    return true
end

local function refuel()
    local fuelLevel = turtle.getFuelLevel()
    if fuelLevel == "unlimited" or fuelLevel > 0 then
        return
    end

    local function tryRefuel()
        for n=1,16 do
            if turtle.getItemCount(n) > 0 then
                turtle.select(n)
                if turtle.refuel(1) then
                    turtle.select(1)
                    return true
                end
            end
        end
        turtle.select(1)
        return false
    end

    if not tryRefuel() then
        print( "Add more fuel to continue." )
        while not tryRefuel() do
            sleep(1)
        end
        print( "Resuming Tunnel." )
    end
end

local function tryUp()
    refuel()
    while not turtle.up() do
        if turtle.detectUp() then
            if not tryDigUp() then
                return false
            end
        elseif turtle.attackUp() then
            collect()
        else
            sleep( 0.5 )
        end
    end
    return true
end

local function tryDown()
    refuel()
    while not turtle.down() do
        if turtle.detectDown() then
            if not tryDigDown() then
                return false
            end
        elseif turtle.attackDown() then
            collect()
        else
            sleep( 0.5 )
        end
    end
    return true
end

local function tryForward()
    refuel()
    while not turtle.forward() do
        if turtle.detect() then
            if not tryDig() then
                return false
            end
        elseif turtle.attack() then
            collect()
        else
            sleep( 0.5 )
        end
    end
    return true
end

print( "Baue die Treppe...")

tryDig()
tryForward()
ll=0

for n=1,high do
    tryForward()
    tryUp()
    tryUp()
    tryUp()
    tryDown()
    tryDown()
    ll = ll +1
    if ll == 5 then
        turtle.turnRight()
        tryDig()
        turtle.select(14)
        turtle.place()
        turtle.turnRight()
        turtle.turnRight()
        tryDig()
        turtle.place()
        turtle.turnRight()
        ll = 0
    end
end
if n<high then
    tryDig()
    if not tryForward() then
        print( "Aborting Tunnel." )
    end
else
    print( "Tunnel complete." )
end

print( "Mined "..collected.." items total." )