minetest.register_craft({
    output = "railcarts:digicontrol 12",
    recipe = {
        {"default:steel_ingot", "digilines:wire_std_00000000", "default:steel_ingot"},
        {"default:steel_ingot", "default:stick", "default:steel_ingot"},
        {"default:steel_ingot", "default:mese_crystal_fragment", "default:steel_ingot"},
    }
})

minetest.register_node("railcarts:digicontrol", {
    description = "Digital Control Rail",
    drawtype = "raillike",
    tiles = {"railcarts_pa_carts_rail_digi.png",
    "railcarts_pa_carts_rail_curved_digi.png",
    "railcarts_pa_carts_rail_t_junction_digi.png",
    "railcarts_pa_carts_rail_crossing_digi.png"},
    inventory_image = "railcarts_pa_carts_rail_digi.png",
    wield_image = "railcarts_pa_carts_rail_digi.png",
    paramtype = "light",
    is_ground_content = true,
    walkable = false,
    selection_box = {
        type = "fixed",
        fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
    },
    groups = {bendy=2,snappy=1,dig_immediate=2,attached_node=1,rail=1,connect_to_raillike=1},
    on_construct = function(pos)
        local meta = minetest.get_meta(pos)
        meta:set_string("formspec", "field[channel;Channel;${channel}]")
        meta:set_string("infotext", "none")
    end,
    on_receive_fields = function(pos, formname, fields, sender)
        local meta = minetest.get_meta(pos)
        meta:set_string("channel", fields.channel)
    end,
    digiline =
    {
        receptor = {},
        effector = {
            action = function(pos, node, channel, msg)
                local setchan = minetest.get_meta(pos):get_string("channel")
                if setchan ~= channel then return end
                local meta = minetest.env:get_meta(pos)
                meta:set_string("infotext", msg)
            end
        },
    },
})