prepTunnels

local arg = {...}
if arg == nil then
    deflvl = 5
else
    deflvl = tonumber (arg[1])
end

path=shell.resolveProgram("murtle")
if path==nil or not os.loadAPI(path) then
  print("Cant load library: murtle")
  return 1
end



function digLevel(lvl)
    print("I am on level "..lvl)
    murtle.up()
    if lvl == 1 then
        turtle.select(16)
        turtle.placeDown()
        turtle.select(1)
        print("Placed storage chest")
    end
    print("Travelling to corner to start")
    murtle.dig(5)
    murtle.left()
    murtle.dig(5)
    murtle.left()
    for i=1,11 do
        print("Starting row "..i)
        if i % 2 == 0 then
            if lvl == 1 then
                if i == 6 then
                    murtle.dig(4)
                    murtle.fwd()
                    print("The chest is underneath me, i will not mine it")
                    turtle.digUp()
                    murtle.dig(5)
                else
                    murtle.dig(10)
                end
            else
                murtle.dig(10)
            end
            murtle.turnright()
            turtle.digUp()
            turtle.digDown()
            sleep(0)
        elseif i == 11 then
            murtle.dig(10)
            print("Finished this level, going back to centre")
            murtle.right()
            murtle.fwd(5)
            murtle.right()
            murtle.fwd(5)
            sleep(0)
        else
            murtle.dig(10)
            murtle.turnleft()
            turtle.digUp()
            turtle.digDown()
            sleep(0)
        end
    end
    print("Moving down to empty myself")
    down = ((lvl-1)*4)
    murtle.down(down)
    for w=1,15 do
        turtle.select(w)
        turtle.dropDown()
    end
    turtle.select(1)
end

-- murtle.down(55)
--[[
for q=1,13 do
    if q == 13 then
        digLevel(q)
        murtle.up(54)
        turtle.select(1)
        for c=1,10 do
            turtle.suckUp()
        end
        murtle.down(54)
    else
        digLevel(q)
        murtle.up(q*4-1)
        sleep(0)
    end
end
]]--
murtle.up()

-- 4 wooden pipes
-- 11 stone pipes
-- 12 chests
-- 1 iron pipe
-- 4 redstone torches
-- 4 redstone engines

-- 52 wooden pipes
-- 143(2x64 + 15) stone pipes
-- 156(2x64 + 28) chests
-- 12 iron pipes
-- 52 redstone torches
-- 52 redstone engines

-- for v=1,13 do
    murtle.fwd(3)
    murtle.right()
    murtle.fwd()
    murtle.placedown(1)
    for b=1,3 do
        murtle.fwd(2)
        murtle.right()
        murtle.fwd(4)
        murtle.placedown(1)
        sleep(0)
    end
    print("Placed all torches")
    murtle.left()
    murtle.fwd(2)
    murtle.left()
    murtle.fwd(1)
    turtle.select(2)
    murtle.left()
    murtle.placeup(2)
    murtle.placedown(2)
    murtle.place(2)
    sleep(0)
    murtle.right()
    for b=1,3 do
        murtle.fwd(5)
        murtle.left()
        murtle.fwd(5)
        murtle.left()
        murtle.placeup(2)
        murtle.placedown(2)
        murtle.place(2)
        murtle.right()
        sleep(0)
    end
    print("Placed all chests")
    murtle.fwd(1)
    murtle.left()
    murtle.fwd(2)
    murtle.left()
    turtle.select(6)
    murtle.place(6)
    for b=1,3 do
        murtle.sbendr()
        murtle.fwd(3)
        murtle.right()
        murtle.fwd(1)
        murtle.place(6)
        sleep(0)
    end
    print("Placed all wooden transport pipes")
    murtle.up()
    murtle.fwd(2)
    murtle.placedown(5)
    for b=1,3 do
        murtle.fwd(2)
        murtle.right()
        murtle.fwd(4)
        murtle.placedown(5)
        sleep(0)
    end
    print("Placed all the redstone engines")
    turtle.back()
    murtle.right()
    murtle.fwd()
    murtle.placedown(7)
    murtle.fwd()
    murtle.placedown(7)
    for b=1,3 do
        murtle.left()
        murtle.fwd(2)
        murtle.right()
        murtle.fwd()
        murtle.right()
        murtle.placedown(7)
        murtle.fwd()
        murtle.placedown(7)
    end
    print("Placed most of the stone pipes")
    murtle.fwd(1)
    murtle.placedown(10)
    murtle.up()
    murtle.placedown(7)
    murtle.up()
    murtle.placedown(7)
    murtle.up()
    murtle.placedown(7)