local tArgs = { ... }
if #tArgs ~= 1 then
	print("Usage: putvuller <maxBlocks>")
	return
end
maxMoves = tonumber(tArgs[1])
moves = 0
print("Putvuller activated for #" .. maxMoves .. " blocks")
curSlot = 1
turtle.select(curSlot)
stop = false

function checkSlot()
	if turtle.getItemCount(curSlot) < 1 then
		curSlot = curSlot + 1
		if curSlot > 9 then
			stop = true
			return
		end
		turtle.select(curSlot)
		checkSlot()
	end
end

function buildAndMove()
	local worked = turtle.place()
	if worked then
		moves  = moves + 1
	end
	output = turtle.back()
	return output
end

function determineNextMove()
	if canMove() then
		return true
	end
	turtle.turnLeft()
	if canMove() then
		return true
	end
	turtle.turnRight()
	turtle.turnRight()
	if canMove() then
		return true
	end
	stop = true
	return false
end

function canMove()
	local succ = turtle.back()
	if succ then
		turtle.forward()
		return true
	end
	return false
end

while not stop and moves < maxMoves do
	checkSlot()
	if determineNextMove() then
		buildAndMove()
	end
end
print("Gedaan met putvullen...")