minetest.add_group("default:ice", {surface_cold = 3})

--thin (transparent) ice
minetest.register_node("fun_caves:thin_ice", {
	description = "Thin Ice",
	tiles = {"caverealms_thin_ice.png"},
	is_ground_content = true,
	groups = {cracky=3},
	sounds = default.node_sound_glass_defaults(),
	use_texture_alpha = true,
	light_source = 1,
	drawtype = "glasslike",
	sunlight_propagates = true,
	freezemelt = "default:water_source",
	paramtype = "light",
})


--minetest.register_node("fun_caves:bright_air", {
--	drawtype = "glasslike",
--	tiles = {"technic_light.png"},
--	paramtype = "light",
--	groups = {not_in_creative_inventory=1},
--	drop = "",
--	walkable = false,
--	buildable_to = true,
--	sunlight_propagates = true,
--	light_source = LIGHT_MAX,
--	pointable = false,
--})