mars_game/mods/hyperloop/map.lua

128 lines
3.6 KiB
Lua

--[[
Hyperloop Mod
=============
Copyright (C) 2017-2019 Joachim Stolberg
LGPLv2.1+
See LICENSE.txt for more information
]]--
-- for lazy programmers
local S = function(pos) if pos then return minetest.pos_to_string(pos) end end
local P = minetest.string_to_pos
local M = minetest.get_meta
-- Load support for intllib.
local MP = minetest.get_modpath("hyperloop")
local I, NS = dofile(MP.."/intllib.lua")
local Stations = hyperloop.Stations
-- Return a text block with all given station names and their attributes
local function generate_string(sortedList)
-- Generate a list with lStationPositions[pos] = idx
-- used to generate the "connected with" list.
local lStationPositions = {}
for idx,item in ipairs(sortedList) do
local sKey = S(item.pos)
lStationPositions[sKey] = idx
end
local tRes = {
"label[0,0;ID]"..
"label[0.7,0;"..I("Dist.").."]"..
"label[1.8,0;"..I("Station/Junction").."]"..
"label[5.4,0;"..I("Position").."]"..
"label[7.9,0;"..I("Owner").."]"..
"label[10,0;"..I("Conn. with").."]"}
for idx,dataSet in ipairs(sortedList) do
if idx == 23 then
break
end
local ypos = 0.2 + idx * 0.4
local owner = dataSet.owner or "<unknown>"
local name = dataSet.name or "<unknown>"
local distance = dataSet.distance or 0
tRes[#tRes+1] = "label[0,"..ypos..";"..idx.."]"
tRes[#tRes+1] = "label[0.7,"..ypos..";"..distance.." m]"
tRes[#tRes+1] = "label[1.8,"..ypos..";"..string.sub(name,1,24).."]"
tRes[#tRes+1] = "label[5.4,"..ypos..";"..S(dataSet.pos).."]"
tRes[#tRes+1] = "label[7.9,"..ypos..";"..string.sub(owner,1,14).."]"
tRes[#tRes+1] = "label[10,"..ypos..";"
for dir,conn in pairs(dataSet.conn) do
if conn and lStationPositions[conn] then
tRes[#tRes + 1] = lStationPositions[conn]
tRes[#tRes + 1] = ", "
else
tRes[#tRes + 1] = conn
tRes[#tRes + 1] = ", "
end
end
tRes[#tRes] = "]"
end
return table.concat(tRes)
end
local function station_list_as_string(pos)
-- Generate a distance sorted list of all stations
local sortedList = Stations:station_list(pos, nil, "dist")
-- Generate the formspec string
return generate_string(sortedList)
end
local function network_list_as_string(pos)
-- Determine next station position
local next_pos = Stations:get_next_station(pos)
-- Generate a distance sorted list of all connected stations
local sortedList = Stations:station_list(pos, next_pos, "dist")
-- Generate the formspec string
return generate_string(sortedList)
end
local function map_on_use(itemstack, user)
local player_name = user:get_player_name()
local pos = user:get_pos()
local sStationList = station_list_as_string(pos)
local formspec = "size[12,10]" ..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
sStationList ..
"button_exit[5,9.5;2,1;close;"..I("Close").."]"
minetest.show_formspec(player_name, "hyperloop:station_map", formspec)
return itemstack
end
local function map_on_secondary_use(itemstack, user)
local player_name = user:get_player_name()
local pos = user:get_pos()
local sStationList = network_list_as_string(pos)
local formspec = "size[12,10]" ..
default.gui_bg..
default.gui_bg_img..
default.gui_slots..
sStationList ..
"button_exit[5,9.5;2,1;close;"..I("Close").."]"
minetest.show_formspec(player_name, "hyperloop:station_map", formspec)
return itemstack
end
-- Tool for tube workers to find the next station
minetest.register_node("hyperloop:station_map", {
description = I("Hyperloop Station Book"),
inventory_image = "hyperloop_stations_book.png",
wield_image = "hyperloop_stations_book.png",
groups = {cracky=1, book=1},
on_use = map_on_use,
on_place = map_on_secondary_use,
on_secondary_use = map_on_secondary_use,
stack_max = 1,
})