ddig

function checking(list,func)
	if type(func) ~= "function" then
		write("need select function")
		shell.exit()
	end
	local suc,ans = func()
	if suc == false then return false end
	for i, v in ipairs(list) do
		if v.name == ans.name then
			if v.metadata == nil then
				return true
			else
				if v.metadata == ans.metadata then
					return true
				end
			end
		end
	end
end

function selectFromID(idname)
	for i = 1, 16 do
		if turtle.getItemCount(i) > 0 then
			if turtle.getItemDetail(i)["name"] == idname then
				turtle.select(i)
				return true
			end
		end
	end
	return false
end

function isEmpty()
	for i = 1, 16 do
		if turtle.getItemCount(i) > 0 then
			return false
		end
	end
	return true
end

local NGS = { {name = "minecraft:bedrock"}
			, {name = "minecraft:flowing_lava",metadata = 0}
			, {name = "factorization:BlastedBedrock"}}
while true do
	local dlong = 0
	while true do
		turtle.select(1)
		if checking(NGS,turtle.inspectDown) then
			break
		end
		turtle.digDown()
		turtle.down()
		dlong = dlong + 1
		if checking(NGS,turtle.inspect) then
			break
		end
		turtle.dig()
	end
	turtle.turnLeft()
	turtle.turnLeft()
	for i = 1, dlong do
		turtle.dig()
		turtle.up()
	end
	if selectFromID("minecraft:cobblestone") then
		turtle.down()
		turtle.place()
		turtle.turnLeft()
		turtle.turnLeft()
		turtle.place()
		turtle.up()
		turtle.placeDown()
		turtle.turnLeft()
		turtle.turnLeft()
	end

	turtle.turnLeft()
	turtle.turnLeft()
	turtle.dig()
	turtle.forward()
	turtle.dig()
	turtle.forward()
	turtle.dig()
	turtle.forward()

	write("\nnow fuel is "..turtle.getFuelLevel()..".\nplz take all items.")
	while not isEmpty() do
		os.pullEvent("turtle_inventory")
	end
	write("\ncheck it.")
end