8d1c55da30
* persistence in mod-storage wip * remove `travelnet.restore_data` * refactor saving/loading with mod_storage * migration test * fix typo / handle some edge cases --------- Co-authored-by: BuckarooBanzay <BuckarooBanzay@users.noreply.github.com>
105 lines
3.9 KiB
Lua
105 lines
3.9 KiB
Lua
local S = minetest.get_translator("travelnet")
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return function (node_info, fields, player)
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local player_name = player:get_player_name()
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if not player_name then
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return false, S("The give player is not a player")
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end -- this should never happen, but just in case
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if not minetest.check_player_privs(player_name, { interact=true }) then
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return false, S("There is no player with interact privilege named '@1'. Aborting.", player_name)
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end
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local pos = node_info.pos
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local meta = node_info.meta
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local station_name = fields.station_name or node_info.props.station_name
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local station_network = fields.station_network or node_info.props.station_network
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local owner_name = fields.owner_name or node_info.props.owner_name
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-- if it is an elevator, determine the network name through x and z coordinates
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local is_elevator = node_info.props.is_elevator
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if is_elevator then
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station_network = travelnet.elevator_network(pos)
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if travelnet.is_falsey_string(station_name) then
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station_name = S("at @1 m", tostring(pos.y))
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end
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end
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if travelnet.is_falsey_string(station_name) then
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return false, S("Please provide a name for this station.")
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end
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if travelnet.is_falsey_string(station_network) then
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return false, S("Please provide the name of the network this station ought to be connected to.")
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end
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if travelnet.is_falsey_string(owner_name) or owner_name == player_name or is_elevator then -- elevator networks
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owner_name = player_name
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elseif not minetest.get_player_privs(player_name)[travelnet.attach_priv]
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and not travelnet.allow_attach(player_name, owner_name, station_network)
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then
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return false, S("You do not have the travelnet_attach priv which is required to attach your box to " ..
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"the network of someone else. Aborting.")
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end
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local travelnets = travelnet.get_travelnets(owner_name)
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local network = travelnets[station_network]
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if not network then
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network = {}
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travelnets[station_network] = network
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end
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-- lua doesn't allow efficient counting here
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local station_count = 1 -- start at one, assume the station about to be created already exists
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for existing_station_name in pairs(network) do
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if existing_station_name == station_name then
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return false, S("A station named '@1' already exists on this network. Please choose a different name!", station_name)
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end
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station_count = station_count+1
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end
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-- we don't want too many stations in the same network because that would get confusing when displaying the targets
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if travelnet.MAX_STATIONS_PER_NETWORK ~= 0 and station_count > travelnet.MAX_STATIONS_PER_NETWORK then
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return false, S("Network '@1', already contains the maximum number (@2) of allowed stations per network. " ..
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"Please choose a different/new network name.", station_network, travelnet.MAX_STATIONS_PER_NETWORK)
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end
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-- add this station
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local creation_timestamp = os.time()
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network[station_name] = {
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pos = pos,
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timestamp = creation_timestamp
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}
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-- do we have a new node to set up? (and are not just reading from a safefile?)
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if meta then
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minetest.chat_send_player(player_name,
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S("Station '@1'" .. " " ..
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"has been added to the network '@2'" ..
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", which now consists of @3 station(s).", station_name, station_network, station_count))
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meta:set_string("station_name", station_name)
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meta:set_string("station_network", station_network)
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meta:set_string("owner", owner_name)
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meta:set_int ("timestamp", creation_timestamp)
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meta:set_string("infotext",
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S("Station '@1'" .. " " ..
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"on network '@2' (owned by @3)" .. " " ..
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"ready for usage.",
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tostring(station_name), tostring(station_network), tostring(owner_name)))
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-- save the updated network data in a savefile over server restart
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travelnet.set_travelnets(owner_name, travelnets)
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return true, { formspec = travelnet.formspecs.primary, options = {
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station_name = station_name,
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station_network = station_network,
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owner_name = owner_name
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} }
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end
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end
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