minetest.register_node("tbm:tbm", {
	description = "Tunnel Boring Machine",
         tiles = {"tbm_side.png",
                           "tbm_side.png",
                           "tbm_side.png",
                           "tbm_side.png",
                           {name="tbm_front_animated.png", animation={type="vertical_frames", aspect_w=16, aspect_h=16, length=0.6}},
                           "tbm_side.png"},
	paramtype = "light",
	inventory_image = "tbm_inv.png",
	is_ground_content = false,
	wield_image = "tbm_inv.png",
	paramtype2 = 'facedir',
	light_source = 10,
	drawtype = "nodebox",
	node_box = {
	type = "fixed",
	fixed = {
		{-1.500000,-0.500000,-0.500000,1.500000,2.500000,0.500000}, --front
		{-1.500000,-0.500000,-0.500000,-1.300000,2.500000,-4.500000}, --left
		{-1.500000,2.300000,-0.500000,1.500000,2.500000,-4.500000}, --top
		{1.300000,-0.500000,-0.500000,1.500000,2.500000,-4.500000}, --right
		{-1.500000,-0.500000,-0.500000,1.500000,-0.300000,-4.500000}, --bottom
		},
	},
	groups = {cracky=1},
	on_construct = function(pos)
		tbm.placetbm(pos, "0")
		minetest.after(10, function()
			tbm.drill(pos)
		end)
	end,
	can_dig = function(pos,player)
		local meta = minetest.get_meta(pos)
		local inv = meta:get_inventory()
		return inv:is_empty("main") and inv:is_empty("inv")
	end,
	on_metadata_inventory_put = function(pos, listname, index, stack, player)
		if listname == "main" then
		  minetest.after(10, function()
			  tbm.drill(pos)
		  end)
	  end
	end,
})