302 lines
7.7 KiB
Lua
302 lines
7.7 KiB
Lua
--[[
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Hyperloop Mod
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=============
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Copyright (C) 2017-2019 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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Booking/ticket machine
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]]--
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-- for lazy programmers
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local SP = function(pos) if pos then return minetest.pos_to_string(pos) end end
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local P = minetest.string_to_pos
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local M = minetest.get_meta
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-- Load support for intllib.
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local S = vents.S
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local NS = vents.NS
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-- Used to store the Station list for each booking machine:
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-- tStationList[SP(pos)] = {pos1, pos2, ...}
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local tStationList = {}
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local Stations = vents.Stations
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-- Form spec for the station list
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local function generate_string(sortedList)
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local tRes = {"size[12,8]"..
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-- default.gui_bg..
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-- default.gui_bg_img..
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-- default.gui_slots..
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"item_image[0,0;1,1;vents:booking]"..
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"label[4,0; "..S("Select your destination").."]"}
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tRes[2] = "tablecolumns[text,width=20;text,width=6,align=right;text]"
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local stations = {}
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for idx,tDest in ipairs(sortedList) do
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local name = tDest.name or S("<unknown>")
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local distance = tDest.distance or 0
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local info = tDest.booking_info or ""
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stations[#stations+1] = minetest.formspec_escape(string.sub(name, 1, 28))
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stations[#stations+1] = distance.."m"
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stations[#stations+1] = minetest.formspec_escape(info)
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end
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if #stations>0 then
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tRes[#tRes+1] = "table[0,1;11.8,7.2;button;"..table.concat(stations, ",").."]"
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else
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tRes[#tRes+1] = "button_exit[4,4;3,1;button;Update]"
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end
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return table.concat(tRes)
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end
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local function store_station_list(pos, sortedList)
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local tbl = {}
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for idx,item in ipairs(sortedList) do
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tbl[#tbl+1] = item.pos
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end
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tStationList[SP(pos)] = tbl
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end
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local function remove_junctions(sortedList)
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local tbl = {}
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for idx,item in ipairs(sortedList) do
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if not item.junction and item.booking_pos then
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tbl[#tbl+1] = item
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end
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end
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return tbl
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end
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local function filter_subnet(sortedList, subnet)
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if vents.subnet_enabled then
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if subnet == "" then
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subnet = nil
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end
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local tbl = {}
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for idx,item in ipairs(sortedList) do
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if item.subnet == subnet then
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tbl[#tbl+1] = item
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end
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end
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return tbl
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end
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return sortedList
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end
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-- Used to update the station list for booking machine
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-- and teleport list.
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local function station_list_as_string(pos, subnet)
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local meta = M(pos)
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-- Generate a name sorted list of all connected stations
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local sortedList = Stations:station_list(pos, pos, "name")
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-- remove all junctions from the list
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sortedList = remove_junctions(sortedList)
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-- use subnet pattern to reduce the list
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sortedList = filter_subnet(sortedList, subnet)
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-- store the list for later use
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store_station_list(pos, sortedList)
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-- Generate the formspec string
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return generate_string(sortedList)
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end
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local naming_formspec = function(pos)
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local meta = M(pos)
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local formspec = "size[7,4.4]"..
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"label[0,0;"..S("Please enter the station name to\nwhich this booking machine belongs.").."]" ..
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"field[0.2,1.5;7.1,1;name;"..S("Station name")..";MyTown]" ..
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"field[0.2,2.7;7.1,1;info;"..S("Additional station information")..";]" ..
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"button_exit[2.5,3.7;2,1;exit;Save]"
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meta:set_string("formspec", formspec)
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meta:set_int("change_counter", 0)
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end
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local function booking_machine_update(pos)
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local meta = M(pos)
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local sStationPos = meta:get_string("sStationPos")
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if sStationPos ~= "" then
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local station_pos = P(sStationPos)
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local counter = meta:get_int("change_counter") or 0
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local changed, newcounter = Stations:changed(counter)
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if changed or not tStationList[sStationPos] then
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local subnet = meta:get_string("subnet")
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meta:set_string("formspec", station_list_as_string(station_pos, subnet))
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meta:set_int("change_counter", newcounter)
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end
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end
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end
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local function on_rightclick(pos)
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booking_machine_update(pos)
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end
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local function on_receive_fields(pos, formname, fields, player)
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-- station name entered?
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if fields.name ~= nil then
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local station_name = string.trim(fields.name)
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if station_name == "" then
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return
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end
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local stationPos = Stations:get_next_station(pos)
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if stationPos then
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if Stations:get(stationPos).booking_pos then
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vents.chat(player, S("Station has already a booking machine!"))
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return
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end
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-- add subnet name if available
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local subnet = string.trim(fields.subnet or "")
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if subnet == "" then
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subnet = nil
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end
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-- store meta and generate station formspec
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Stations:update(stationPos, {
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name = station_name,
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booking_pos = pos,
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booking_info = string.trim(fields.info),
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subnet = subnet,
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})
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local meta = M(pos)
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meta:set_string("sStationPos", SP(stationPos))
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meta:set_string("infotext", "Station: "..station_name)
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meta:set_string("subnet", string.trim(fields.subnet or ""))
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meta:set_int("change_counter", 0) -- force update
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booking_machine_update(pos)
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else
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vents.chat(player, S("Invalid station name!"))
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end
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elseif fields.button ~= nil then -- destination selected?
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local te = minetest.explode_table_event(fields.button)
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local idx = tonumber(te.row)
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if idx and te.type=="CHG" then
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local tStation, src_pos = vents.get_base_station(pos)
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local dest_pos = tStationList[SP(src_pos)] and tStationList[SP(src_pos)][idx]
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if dest_pos and tStation then
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-- place booking if not already blocked
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if vents.reserve(src_pos, dest_pos, player) then
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vents.set_arrival(src_pos, dest_pos)
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-- open the pod door
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--vents.open_pod_door(tStation)
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end
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else
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-- data is corrupt, try an update
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M(pos):set_int("change_counter", 0)
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end
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minetest.close_formspec(player:get_player_name(), formname)
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end
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end
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end
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local function on_destruct(pos)
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local sStationPos = M(pos):get_string("sStationPos")
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if sStationPos ~= "" then
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Stations:update(P(sStationPos), {
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booking_pos = "nil",
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booking_info = "nil",
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name = "Station",
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})
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end
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end
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-- wap from wall to ground
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local function swap_node(pos, placer)
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pos.y = pos.y - 1
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if minetest.get_node_or_nil(pos).name ~= "air" then
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local node = minetest.get_node(pos)
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node.name = "vents:booking_ground"
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node.param2 = vents.get_facedir(placer)
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pos.y = pos.y + 1
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minetest.swap_node(pos, node)
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else
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pos.y = pos.y + 1
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end
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end
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-- wall mounted booking machine
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minetest.register_node("vents:booking", {
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description = S("Hyperloop Booking Machine"),
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tiles = {
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-- up, down, right, left, back, front
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking_front.png",
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{ -8/16, -8/16, 2/16, 8/16, 8/16, 8/16},
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},
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},
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after_place_node = function(pos, placer, itemstack, pointed_thing)
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naming_formspec(pos)
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swap_node(pos, placer)
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end,
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on_rotate = screwdriver.disallow,
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on_receive_fields = on_receive_fields,
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on_destruct = on_destruct,
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on_rightclick = on_rightclick,
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paramtype = 'light',
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light_source = 2,
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paramtype2 = "facedir",
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groups = {breakable=1},
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is_ground_content = false,
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})
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-- ground mounted booking machine
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minetest.register_node("vents:booking_ground", {
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description = S("Hyperloop Booking Machine"),
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tiles = {
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-- up, down, right, left, back, front
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking.png",
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"hyperloop_booking_front.png",
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},
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drawtype = "nodebox",
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node_box = {
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type = "fixed",
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fixed = {
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{ -8/16, -8/16, -3/16, 8/16, 8/16, 3/16},
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},
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},
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after_place_node = function(pos, placer, itemstack, pointed_thing)
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naming_formspec(pos)
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end,
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on_receive_fields = on_receive_fields,
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on_destruct = on_destruct,
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on_rightclick = on_rightclick,
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on_rotate = screwdriver.disallow,
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drop = "vents:booking",
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light_source = 2,
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paramtype = 'light',
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paramtype2 = "facedir",
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groups = {breakable=1, not_in_creative_inventory=1},
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is_ground_content = false,
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})
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