minetest.register_lbm ({

    -- For LBM version:
    name  = "homedecor:convert"                     ,
    label = "homedecor:convert"                     ,
    run_at_every_load = true                        ,

    -- For ABM version:
    catch_up = false ,
    chance   = 1     ,
    interval = 3     ,

    nodenames = {
        "fake_fire:smokeless_fire"                  ,
        "fake_fire:smokeless_ice_fire"              ,
        "fake_fire:smokeless_chimney_top_stone"     ,
        "fake_fire:smokeless_chimney_top_sandstone" ,
        "fake_fire:flint"                           ,

        "homedecor:standing_lamp_bottom_off"        ,
        "homedecor:standing_lamp_top_off"           ,
        "homedecor:standing_lamp_bottom_low"        ,
        "homedecor:standing_lamp_top_low"           ,
        "homedecor:standing_lamp_bottom_med"        ,
        "homedecor:standing_lamp_top_med"           ,
        "homedecor:standing_lamp_bottom_hi"         ,
        "homedecor:standing_lamp_top_hi"            ,
        "homedecor:standing_lamp_bottom_max"        ,
        "homedecor:standing_lamp_top_max"           ,
        "homedecor:standing_lamp_bottom_off"        ,
        "homedecor:standing_lamp_top_off"           ,
    } ,

    action = function (pos, node)
        local oldname = node.name
        local newname = nil

        if  oldname == "fake_fire:smokeless_fire"                     then
            newname = "fake_fire:fake_fire"

        elseif oldname == "fake_fire:smokeless_ice_fire"              then
            newname = "fake_fire:ice_fire"

        elseif oldname == "fake_fire:smokeless_chimney_top_stone"     then
            newname = "fake_fire:chimney_top_stone"

        elseif oldname == "fake_fire:smokeless_chimney_top_sandstone" then
            newname = "fake_fire:chimney_top_sandstone"

        elseif oldname == "fake_fire:flint"                           then
            newname = "fake_fire:flint_and_steel"

        elseif oldname == "homedecor:standing_lamp_bottom_off"        then
            newname = "homedecor:standing_lamp_off"

        elseif oldname == "homedecor:standing_lamp_top_off"           then
            newname = "air"

        elseif oldname == "homedecor:standing_lamp_bottom_low"        then
            newname = "homedecor:standing_lamp_low"

        elseif oldname == "homedecor:standing_lamp_top_low"           then
            newname = "air"

        elseif oldname == "homedecor:standing_lamp_bottom_med"        then
            newname = "homedecor:standing_lamp_med"

        elseif oldname == "homedecor:standing_lamp_top_med"           then
            newname = "air"

        elseif oldname == "homedecor:standing_lamp_bottom_hi"         then
            newname = "homedecor:standing_lamp_hi"

        elseif oldname == "homedecor:standing_lamp_top_hi"            then
            newname = "air"

        elseif oldname == "homedecor:standing_lamp_bottom_max"        then
            newname = "homedecor:standing_lamp_max"

        elseif oldname == "homedecor:standing_lamp_top_max"           then
            newname = "air"

        elseif oldname == "homedecor:standing_lamp_bottom_off"        then
            newname = "homedecor:standing_lamp_off"

        elseif oldname == "homedecor:standing_lamp_top_off"           then
            newname = "air"
        end

        if newname ~= nil then
            minetest.set_node (pos, { name = newname })
        end
    end
})