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-- route_ui.lua
-- User interface for showing and editing routes
local atil = advtrains.interlocking
local ildb = atil.db
-- TODO duplicate
local lntrans = { "A", "B" }
local function sigd_to_string(sigd)
return minetest.pos_to_string(sigd.p).." / "..lntrans[sigd.s]
end
-- The ARS data are saved in a table format, but are entered in text format. Utility functions to transform between both.
local function ars_to_text(arstab)
if not arstab then
return ""
end
local txt = {}
for i, arsent in ipairs(arstab) do
if arsent.ln then
txt[#txt+1] = "LN "..arsent.ln
elseif arsent.rc then
txt[#txt+1] = "RC "..arsent.rc
elseif arsent.c then
txt[#txt+1] = "#"..arsent.c
end
end
if arstab.default then
return "*\n" .. table.concat(txt, "\n")
end
return table.concat(txt, "\n")
end
local function text_to_ars(t)
if t=="" then
return nil
elseif t=="*" then
return {default=true}
end
local arstab = {}
for line in string.gmatch(t, "[^\r\n]+") do
if line=="*" then
arstab.default = true
else
local c, v = string.match(line, "^(..)%s(.*)$")
if c and v then
local tt=string.upper(c)
if tt=="LN" then
arstab[#arstab+1] = {ln=v}
elseif tt=="RC" then
arstab[#arstab+1] = {rc=v}
end
else
local ct = string.match(line, "^#(.*)$")
if ct then arstab[#arstab+1] = {c = ct} end
end
end
end
return arstab
end
function atil.show_route_edit_form(pname, sigd, routeid)
if not minetest.check_player_privs(pname, {train_operator=true, interlocking=true}) then
minetest.chat_send_player(pname, "Insufficient privileges to use this!")
return
end
local tcbs = atil.db.get_tcbs(sigd)
if not tcbs then return end
local route = tcbs.routes[routeid]
if not route then return end
local form = "size[9,10]label[0.5,0.2;Route overview]"
form = form.."field[0.8,1.2;5.2,1;name;Route name;"..route.name.."]"
form = form.."button[5.5,0.9;1,1;setname;Set]"
-- construct textlist for route information
local tab = {}
local function itab(t)
tab[#tab+1] = string.gsub(t, ",", " ")
end
itab("TCB "..sigd_to_string(sigd).." ("..tcbs.signal_name..") Route #"..routeid)
-- this code is partially copy-pasted from routesetting.lua
-- we start at the tc designated by signal
local c_sigd = sigd
local i = 1
local c_tcbs, c_ts_id, c_ts, c_rseg, c_lckp
while c_sigd and i<=#route do
c_tcbs = ildb.get_tcbs(c_sigd)
c_ts_id = c_tcbs.ts_id
if not c_ts_id then
itab("-!- No track section adjacent to "..sigd_to_string(c_sigd)..". Please reconfigure route!")
end
c_ts = ildb.get_ts(c_ts_id)
c_rseg = route[i]
c_lckp = {}
itab(""..i.." Entry "..sigd_to_string(c_sigd).." -> Sec. "..c_ts.name.." -> Exit "..(c_rseg.next and sigd_to_string(c_rseg.next) or "END"))
for pts, state in pairs(c_rseg.locks) do
local pos = minetest.string_to_pos(pts)
itab(" Lock: "..pts.." -> "..state)
if not advtrains.is_passive(pos) then
itab("-!- No passive component at "..pts..". Please reconfigure route!")
end
end
-- advance
c_sigd = c_rseg.next
i = i + 1
end
if c_sigd then
local e_tcbs = ildb.get_tcbs(c_sigd)
itab("Route end: "..sigd_to_string(c_sigd).." ("..(e_tcbs and e_tcbs.signal_name or "-")..")")
else
itab("Route ends on dead-end")
end
form = form.."textlist[0.5,2;7,4;rtelog;"..table.concat(tab, ",").."]"
form = form.."button[0.5,6;2,1;back;<<< Back to signal]"
form = form.."button[3.5,6;2,1;aspect;Signal Aspect]"
form = form.."button[5.5,6;2,1;delete;Delete Route]"
--atdebug(route.ars)
form = form.."textarea[1,7.3;5.2,3;ars;ARS Rule List;"..ars_to_text(route.ars).."]"
form = form.."button[6,7.7;1,1;savears;Save]"
minetest.show_formspec(pname, "at_il_routeedit_"..minetest.pos_to_string(sigd.p).."_"..sigd.s.."_"..routeid, form)
end
minetest.register_on_player_receive_fields(function(player, formname, fields)
local pname = player:get_player_name()
if not minetest.check_player_privs(pname, {train_operator=true, interlocking=true}) then
return
end
local pts, connids, routeids = string.match(formname, "^at_il_routeedit_([^_]+)_(%d)_(%d+)$")
local pos, connid, routeid
if pts then
pos = minetest.string_to_pos(pts)
connid = tonumber(connids)
routeid = tonumber(routeids)
if not connid or connid<1 or connid>2 then return end
if not routeid then return end
end
if pos and connid and routeid and not fields.quit then
local sigd = {p=pos, s=connid}
local tcbs = ildb.get_tcbs(sigd)
if not tcbs then return end
local route = tcbs.routes[routeid]
if not route then return end
if fields.setname and fields.name then
route.name = fields.name
end
if fields.aspect then
local suppasp = advtrains.interlocking.signal_get_supported_aspects(tcbs.signal)
local callback = function(pname, asp)
route.aspect = asp
advtrains.interlocking.show_route_edit_form(pname, sigd, routeid)
end
advtrains.interlocking.show_signal_aspect_selector(pname, suppasp, route.name, callback, route.aspect)
return
end
if fields.delete then
-- if something set the route in the meantime, make sure this doesn't break.
atil.route.update_route(sigd, tcbs, nil, true)
table.remove(tcbs.routes, routeid)
advtrains.interlocking.show_signalling_form(sigd, pname)
end
if fields.ars and fields.savears then
route.ars = text_to_ars(fields.ars)
--atdebug(route.ars)
end
if fields.back then
advtrains.interlocking.show_signalling_form(sigd, pname)
end
end
end)
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