mods that hopefully work for a TechAge-based pack

mods/travelnet/actions/update_elevator.lua

@@ -0,0 +1,89 @@
+local S = minetest.get_translator("travelnet")
+
+return function (node_info, fields, player)
+	local pos = node_info.pos
+	local meta = node_info.meta
+	local player_name = player:get_player_name()
+
+	local owner_name      = node_info.props.owner_name
+	local station_network = node_info.props.station_network
+	local station_name	  = node_info.props.station_name
+	local description     = node_info.props.description
+
+	if not description then
+		return false, S("Unknown node.")
+	end
+
+	if not pos or not fields or not meta or not player_name then
+		return false, S("Invalid data or node.")
+	end
+
+	-- sanitize inputs
+	if travelnet.is_falsey_string(fields.station_name) then
+		fields.station_name = S("at @1 m", tostring(pos.y))
+	end
+
+	-- nothing changed?
+	if station_name == fields.station_name then
+		return true, { formspecs = "primary" }
+	end
+
+	-- players with travelnet_remove priv can dig the station
+	if not minetest.get_player_privs(player_name)[travelnet.remove_priv]
+		-- the function travelnet.allow_dig(..) may allow additional digging
+		and not travelnet.allow_dig(player_name, owner_name, station_network, pos)
+		-- the owner can remove the station
+		and owner_name ~= player_name
+		-- stations without owner can be removed/edited by anybody
+		and owner_name ~= ""
+	then
+		return false, S("This @1 belongs to @2. You can't edit it.",
+				description,
+				tostring(owner_name)
+			)
+	end
+
+	local travelnets = travelnet.get_travelnets(owner_name)
+	local network = travelnets[station_network]
+	if not network then
+		network = {}
+		travelnets[station_name] = network
+	end
+
+	-- does a station with the new name already exist?
+	if network[fields.station_name] then
+		return false, S('Station "@1" already exists on network "@2".',
+			fields.station_name, station_network)
+	end
+
+	-- get the old station table
+	local old_station = network[station_name]
+	if not old_station then
+		return false, S("Station does exist.")
+	end
+	-- apply the old table to the new station
+	network[fields.station_name] = old_station
+	-- remove old station
+	network[station_name] = nil
+	-- update station name in node meta
+	meta:set_string("station_name", fields.station_name)
+
+	minetest.chat_send_player(player_name,
+		S('Station "@1" has been renamed to "@2" on network "@3".',
+			station_name, fields.station_name, station_network))
+
+	meta:set_string("infotext",
+			S("Station '@1'" .. " " ..
+				"on network '@2' (owned by @3)" .. " " ..
+				"ready for usage.",
+				tostring(fields.station_name), tostring(station_network), tostring(owner_name)))
+
+	-- save the updated network data in a savefile over server restart
+	travelnet.log("action", "renamed elevator '" .. fields.station_name .. "' on network '" .. station_network ..
+		"' for player '" .. owner_name .. "'")
+	travelnet.set_travelnets(owner_name, travelnets)
+
+	return true, { formspec = travelnet.formspecs.primary, options = {
+		station_name = fields.station_name
+	} }
+end