247 lines
8.9 KiB
Lua
247 lines
8.9 KiB
Lua
local S = minetest.get_translator("travelnet")
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return function (node_info, fields, player)
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local pos = node_info.pos
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local meta = node_info.meta
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local player_name = player:get_player_name()
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if not pos or not fields or not meta or not player_name then
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return false, S("Invalid data or node.")
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end
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local owner_name = node_info.props.owner_name
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local station_network = node_info.props.station_network
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local station_name = node_info.props.station_name
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local description = node_info.props.description
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local new_owner_name, new_station_network, new_station_name
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if not description then
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return false, S("Unknown node.")
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end
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if owner_name == fields.owner_name
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and station_network == fields.station_network
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and station_name == fields.station_name
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then
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return true, { formspec = travelnet.formspecs.primary }
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end
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-- sanitize inputs
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local error_message = ''
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if travelnet.is_falsey_string(fields.station_name) then
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error_message = S('Please provide a station name.')
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end
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if travelnet.is_falsey_string(fields.station_network) then
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error_message = error_message .. ' '
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..S('Please provide a network name.')
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end
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if travelnet.is_falsey_string(fields.owner_name) then
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error_message = error_message .. ' '
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..S('Please provide an owner.')
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end
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if '' ~= error_message then
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return false, error_message
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end
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-- players with travelnet_remove priv can dig the station
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if not minetest.get_player_privs(player_name)[travelnet.remove_priv]
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-- the function travelnet.allow_dig(..) may allow additional digging
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and not travelnet.allow_dig(player_name, owner_name, station_network, pos)
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-- the owner can remove the station
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and owner_name ~= player_name
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-- stations without owner can be removed/edited by anybody
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and owner_name ~= ""
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then
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return false, S("This @1 belongs to @2. You can't edit it.",
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description,
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tostring(owner_name)
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)
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end
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local timestamp = os.time()
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if owner_name ~= fields.owner_name then
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if not minetest.get_player_privs(player_name)[travelnet.attach_priv]
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and not travelnet.allow_attach(player_name, owner_name, fields.station_network) then
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minetest.record_protection_violation(pos, player_name)
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return false, S("You don't have permission to change the owner of this travelnet")
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end
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-- new owner -> remove station from old network then add to new owner
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-- but only if there is space on the network
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-- get the new network
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local old_travelnets = travelnet.get_travelnets(owner_name)
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local new_travelnets = travelnet.get_travelnets(fields.owner_name)
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local new_network = new_travelnets[fields.station_network]
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if not new_network then
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new_network = {}
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new_travelnets[fields.station_network] = new_network
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end
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-- does a station with the new name already exist?
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if new_network[fields.station_name] then
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return false, S('Station "@1" already exists on network "@2" of player "@3".',
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fields.station_name, fields.station_network, fields.owner_name)
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end
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-- does the new network have space at all?
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if travelnet.MAX_STATIONS_PER_NETWORK ~= 0 and 1 + #new_network > travelnet.MAX_STATIONS_PER_NETWORK then
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return false,
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S('Network "@1", already contains the maximum number (@2) of '
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.. 'allowed stations per network. Please choose a '
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.. 'different network name.', fields.station_network,
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travelnet.MAX_STATIONS_PER_NETWORK)
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end
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-- get the old network
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local old_network = old_travelnets[station_network]
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if not old_network then
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print("TRAVELNET: failed to get old network when re-owning "
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.. "travelnet/elevator at pos " .. minetest.pos_to_string(pos))
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return false, S("Station does not have network.")
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end
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-- remove old station from old network
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old_network[station_name] = nil
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-- add new station to new network
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new_network[fields.station_name] = { pos = pos, timestamp = timestamp }
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-- update meta
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meta:set_string("station_name", fields.station_name)
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meta:set_string("station_network", fields.station_network)
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meta:set_string("owner", fields.owner_name)
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meta:set_int ("timestamp", timestamp)
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minetest.chat_send_player(player_name,
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S('Station "@1" has been renamed to "@2", '
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.. 'moved from network "@3" to network "@4" '
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.. 'and from owner "@5" to owner "@6".',
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station_name, fields.station_name,
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station_network, fields.station_network,
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owner_name, fields.owner_name))
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new_owner_name = fields.owner_name
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new_station_network = fields.station_network
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new_station_name = fields.station_name
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travelnet.log("action", "changed station '" .. station_name .. "' to '" .. fields.station_name ..
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"' moved network from '" .. station_network .. "' to '" .. fields.station_network .. "'" ..
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"' from player '" .. owner_name .. "' to '" .. fields.owner_name .. "'")
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travelnet.set_travelnets(owner_name, old_travelnets)
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travelnet.set_travelnets(fields.owner_name, new_travelnets)
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elseif station_network ~= fields.station_network then
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-- same owner but different network -> remove station from old network
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-- but only if there is space on the new network and no other station with that name
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-- get the new network
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local travelnets = travelnet.get_travelnets(owner_name)
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local network = travelnets[fields.station_network]
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if not network then
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network = {}
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travelnets[fields.station_network] = network
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end
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-- does a station with the new name already exist?
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if network[fields.station_name] then
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return false, S('Station "@1" already exists on network "@2".',
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fields.station_name, fields.station_network)
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end
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-- does the new network have space at all?
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if travelnet.MAX_STATIONS_PER_NETWORK ~= 0 and 1 + #network > travelnet.MAX_STATIONS_PER_NETWORK then
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return false,
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S('Network "@1", already contains the maximum number (@2) of '
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.. 'allowed stations per network. Please choose a '
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.. 'different network name.', fields.station_network,
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travelnet.MAX_STATIONS_PER_NETWORK)
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end
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-- get the old network
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local old_network = travelnets[station_network]
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if not old_network then
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print("TRAVELNET: failed to get old network when re-networking "
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.. "travelnet/elevator at pos " .. minetest.pos_to_string(pos))
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return false, S("Station does not have network.")
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end
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-- remove old station from old network
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old_network[station_name] = nil
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-- add new station to new network
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network[fields.station_name] = { pos = pos, timestamp = timestamp }
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-- update meta
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meta:set_string("station_name", fields.station_name)
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meta:set_string("station_network", fields.station_network)
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meta:set_int ("timestamp", timestamp)
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minetest.chat_send_player(player_name,
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S('Station "@1" has been renamed to "@2" and moved '
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.. 'from network "@3" to network "@4".',
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station_name, fields.station_name,
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station_network, fields.station_network))
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new_station_network = fields.station_network
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new_station_name = fields.station_name
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travelnet.log("action", "changed station '" .. station_name .. "' to '" .. fields.station_name ..
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"' moved network from '" .. station_network .. "' to '" .. fields.station_network .. "'" ..
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"' for player '" .. owner_name .. "'")
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travelnet.set_travelnets(owner_name, travelnets)
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else
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-- only name changed -> change name but keep timestamp to preserve order
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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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-- does a station with the new name already exist?
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if network[fields.station_name] then
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return false, S('Station "@1" already exists on network "@2".',
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fields.station_name, station_network)
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end
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-- get the old station table
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local old_station = network[station_name]
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if not old_station then
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return false, S("Station does exist.")
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end
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-- apply the old table to the new station
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network[fields.station_name] = old_station
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-- remove old station
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network[station_name] = nil
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-- update station name in node meta
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meta:set_string("station_name", fields.station_name)
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minetest.chat_send_player(player_name,
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S('Station "@1" has been renamed to "@2" on network "@3".',
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station_name, fields.station_name, station_network))
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new_station_name = fields.station_name
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travelnet.log("action", "changed station '" .. station_name .. "' to '" .. fields.station_name ..
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"' on network '" .. station_network .. "'" ..
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"' for player '" .. owner_name .. "'")
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travelnet.set_travelnets(owner_name, travelnets)
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end
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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(new_station_name or station_name),
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tostring(new_station_network or station_network),
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tostring(new_owner_name or owner_name)
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))
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return true, { formspec = travelnet.formspecs.primary, options = {
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station_name = new_station_name or station_name,
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station_network = new_station_network or station_network,
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owner_name = new_owner_name or owner_name
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} }
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end
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