flame_node.lua

minetest.register_node("mobs_balrog:flame", {
	description = "Fire",
	drawtype = "firelike",
	tiles = {
		{
			name = "mobs_balrog_flame_animated.png",
			animation = {
				type = "vertical_frames",
				aspect_w = 16,
				aspect_h = 16,
				length = 1,
			},
		},
	},
	inventory_image = "mobs_balrog_flame.png",
	paramtype = "light",
	light_source = 13,
	walkable = false,
	buildable_to = true,
	sunlight_propagates = true,
	floodable = true,
	damage_per_second = 4,
	groups = { igniter = 2, dig_immediate = 3, fire = 1, not_in_creative_inventory = 1 },
	drop = "",
	on_flood = function(pos, _, newnode)
		-- Play flame extinguish sound if liquid is not an 'igniter'
		if minetest.get_item_group(newnode.name, "igniter") == 0 then
			minetest.sound_play("fire_extinguish_flame", { pos = pos, max_hear_distance = 16, gain = 0.15 }, true)
		end
		-- Remove the flame
		return false
	end,
	on_timer = function(pos)
		-- https://gitea.your-land.de/your-land/bugtracker/issues/1264
		minetest.remove_node(pos)
		return
	end,
	on_construct = function(pos)
		minetest.get_node_timer(pos):start(math.random(30, 60))
	end,
})

if mobs_balrog.has["3d_armor"] then
	table.insert(armor.fire_nodes, { "mobs_balrog:flame", 4, 4 })
end