biobuild 2.0

os.loadAPI("utils")
os.loadAPI("matrix")
os.loadAPI("aware")

local tArgs = { ... }
structname = tArgs[1]
startpos = {}

local function placedown(slot)
    while (turtle.getItemCount(slot) < 2) do
      utils.termwrite("Slot "..slot.." needs a refill!")
    sleep(3)
    end
    turtle.select(slot)
    while(turtle.placeDown() == false) do
      if(turtle.digDown() == false) then
        utils.termwrite("Unable to place block beneath me!")
        sleep(3)
      end
  end
end

local function buildlayer(number)
  currentlayer = utils.varfromfile(structname.."/"..structname..number)

  for i=1, 50, 2 do
    for j=1, 20 do
      block = matrix.get(currentlayer, i, j)
      if(block ~= nil) then
        aware.moveto((startpos[1]+i), (startpos[2]+j))
        placedown(block)
      end
    end
    for j=20, 1, -1 do
      block = matrix.get(currentlayer, i+1, j)
      if(block ~= nil) then
        aware.moveto((startpos[1]+i+1), (startpos[2]+j))
        placedown(block)
      end
    end
  end
end

local function build()
  startpos = aware.getposition("current")
  structpos = 0
  while(fs.exists(structname.."/"..structname..structpos)) do
    buildlayer(structpos)
    aware.digmoveup()
    structpos = structpos + 1
  end
  aware.moveto(startpos[1],startpos[2],startpos[3]+structpos)
  aware.goto(startpos)
end

build()