starting at line 107

minetest.register_node("fireplace:fireplace_01", {
    description = "Fireplace 01",
    drawtype = "mesh",
    mesh = "fireplace.obj",
    inventory_image = minetest.inventorycube("fireplace_01_top.png", "fireplace_01_side.png", "fireplace_01_front.png"),
    wield_image = "fireplace_01_front.png",
    tiles = {
        "fireplace_01_top.png", "fireplace_01_bottom.png",
        "fireplace_01_side.png", "fireplace_01_side.png",
        "fireplace_01_front.png", "fireplace_01_side.png"},
    paramtype = "light",
    paramtype2 = "facedir",
    legacy_facedir_simple = true,
    is_ground_content = false,
    groups = {cracky=2, stone=1, oddly_breakable_by_hand=3},
    sounds = default.node_sound_stone_defaults(),
    selection_box = {
        type = "fixed",
        fixed = {
            {-0.5, -0.5, 0, 1.5, 1.5, 0.5},
        },
    },
    collision_box = {
        type = "fixed",
        fixed = {
            {-0.5, -0.5, 0, 1.5, 1.5, 0.5},
        },
    },

    on_rightclick = function(pos, node, puncher)
        minetest.sound_play("fire_small", {pos = pos, gain = 0.20, max_hear_distance = 10, loop = true})
        minetest.swap_node(pos, {name = "fireplace:fireplace_01_active", param2 = node.param2})
    end
})

minetest.register_node("fireplace:fireplace_01_active", {
    description = "Fireplace_01_Active",
    drawtype = "mesh",
    mesh = "fireplace.obj",
    tiles = {
        "fireplace_01_top.png", "fireplace_01_bottom.png",
    "fireplace_01_side.png", "fireplace_01_side.png",
        {
            image = "fireplace_01_active.png",
            backface_culling = false,
            animation = {
                type = "vertical_frames",
                aspect_w = 32,
                aspect_h = 32,
                length = 1.9
            },
        }, "fireplace_01_side.png",
    },
    light_source = 8,
    paramtype = "light",
    paramtype2 = "facedir",
    legacy_facedir_simple = true,
    is_ground_content = false,
    groups = {not_in_creative_inventory = 1},
    sounds = default.node_sound_stone_defaults(),
    selection_box = {
        type = "fixed",
        fixed = {
            {-0.5, -0.5, 0, 1.5, 1.5, 0.5},
        },
    },
    collision_box = {
        type = "fixed",
        fixed = {
            {-0.5, -0.5, 0, 1.5, 1.5, 0.5},
        },
    },

    on_rightclick = function(pos, node, puncher)
    minetest.after(10, function(handle)
        minetest.sound_stop(handle)
    end, handle)
        minetest.swap_node(pos, {name = "fireplace:fireplace_01", param2 = node.param2})
    end,
    drop = "fireplace:fireplace_01",
})