111 lines
3.8 KiB
Lua
111 lines
3.8 KiB
Lua
local S = minetest.get_translator("elevator")
|
|
|
|
|
|
local function is_falsey_string(str)
|
|
return not str or str == ""
|
|
end
|
|
|
|
-- add a new target; meta is optional
|
|
function elevator.add_target(station_name, network_name, pos, player_name, meta, owner_name)
|
|
|
|
if not player_name then return end -- this should never happen, but just in case
|
|
|
|
if not minetest.check_player_privs(player_name, { interact=true }) then
|
|
elevator.show_message(pos, player_name, S("Error"),
|
|
S("There is no player with interact privilege named '@1'. Aborting.", player_name))
|
|
return
|
|
end
|
|
|
|
-- if it is an elevator, determine the network name through x and z coordinates
|
|
local this_node = minetest.get_node(pos)
|
|
local is_elevator = elevator.is_elevator(this_node.name)
|
|
|
|
if is_elevator then
|
|
network_name = elevator.elevator_network(pos)
|
|
if is_falsey_string(station_name) then
|
|
station_name = S("Unnamed elevator", tostring(pos.y))
|
|
end
|
|
end
|
|
|
|
if is_falsey_string(station_name) then
|
|
elevator.show_message(pos, player_name, S("Error"), S("Please provide a name for this station."))
|
|
return
|
|
end
|
|
|
|
if is_falsey_string(network_name) then
|
|
elevator.show_message(pos, player_name, S("Error"),
|
|
S("Please provide the name of the network this station ought to be connected to."))
|
|
return
|
|
end
|
|
|
|
if is_falsey_string(owner_name) or owner_name == player_name or is_elevator then -- elevator networks
|
|
owner_name = player_name
|
|
elseif not minetest.check_player_privs(player_name, { elevator_attach=true })
|
|
and not elevator.allow_attach(player_name, owner_name, network_name)
|
|
then
|
|
elevator.show_message(pos, player_name, S("Error"),
|
|
S("You do not have the elevator_attach priv which is required to attach your box to " ..
|
|
"the network of someone else. Aborting."))
|
|
return
|
|
end
|
|
|
|
local network = elevator.get_or_create_network(owner_name, network_name)
|
|
|
|
-- lua doesn't allow efficient counting here
|
|
local station_count = 1 -- start at one, assume the station about to be created already exists
|
|
for existing_station_name in pairs(network) do
|
|
if existing_station_name == station_name then
|
|
elevator.show_message(pos, player_name, S("Error"),
|
|
S("A station named '@1' already exists on this network. Please choose a different name!", station_name))
|
|
return
|
|
end
|
|
station_count = station_count+1
|
|
end
|
|
|
|
-- we don't want too many stations in the same network because that would get confusing when displaying the targets
|
|
if station_count > elevator.MAX_STATIONS_PER_NETWORK then
|
|
elevator.show_message(pos, player_name, S("Error"),
|
|
S("Network '@1', already contains the maximum number (@2) of allowed stations per network. " ..
|
|
"Please choose a different/new network name.", network_name, elevator.MAX_STATIONS_PER_NETWORK))
|
|
return
|
|
end
|
|
|
|
-- add this station
|
|
local creation_timestamp = os.time()
|
|
network[station_name] = {
|
|
pos = pos,
|
|
timestamp = creation_timestamp
|
|
}
|
|
|
|
-- do we have a new node to set up? (and are not just reading from a safefile?)
|
|
if meta then
|
|
minetest.chat_send_player(player_name,
|
|
S("Station '@1'" .. " " ..
|
|
"has been added to the network '@2'" ..
|
|
", which now consists of @3 station(s).", station_name, network_name, station_count))
|
|
|
|
meta:set_string("station_name", station_name)
|
|
meta:set_string("station_network", network_name)
|
|
meta:set_string("owner", owner_name)
|
|
meta:set_int ("timestamp", creation_timestamp)
|
|
|
|
meta:set_string("formspec",
|
|
([[
|
|
size[12,10]
|
|
field[0.3,0.6;6,0.7;station_name;%s;%s]
|
|
field[0.3,3.6;6,0.7;station_network;%s;%s]
|
|
]]):format(
|
|
S("Station:"),
|
|
minetest.formspec_escape(station_name),
|
|
S("Network:"),
|
|
minetest.formspec_escape(network_name)
|
|
))
|
|
|
|
-- display a list of all stations that can be reached from here
|
|
elevator.update_formspec(pos, player_name, nil)
|
|
|
|
-- save the updated network data in a savefile over server restart
|
|
elevator.save_data()
|
|
end
|
|
end
|