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-- Boilerplate to support localized strings if intllib mod is installed.
if minetest.get_modpath("intllib") then
attrans = intllib.Getter()
else
attrans = function(s,a,...)a={a,...}return s:gsub("@(%d+)",function(n)return a[tonumber(n)]end)end
end
--advtrains
advtrains = {trains={}, wagon_save={}}
advtrains.modpath = minetest.get_modpath("advtrains")
function advtrains.print_concat_table(a)
local str=""
local stra=""
for i=1,50 do
t=a[i]
if t==nil then
stra=stra.."nil "
else
str=str..stra
stra=""
if type(t)=="table" then
if t.x and t.y and t.z then
str=str..minetest.pos_to_string(t)
else
str=str..dump(t)
end
elseif type(t)=="boolean" then
if t then
str=str.."true"
else
str=str.."false"
end
else
str=str..t
end
str=str.." "
end
end
return str
end
atprint=function() end
if minetest.setting_getbool("advtrains_debug") then
atprint=function(t, ...)
local text=advtrains.print_concat_table({t, ...})
minetest.log("action", "[advtrains]"..text)
minetest.chat_send_all("[advtrains]"..text)
end
end
sid=function(id) return string.sub(id, -4) end
dofile(advtrains.modpath.."/helpers.lua");
--dofile(advtrains.modpath.."/debugitems.lua");
advtrains.meseconrules =
{{x=0, y=0, z=-1},
{x=1, y=0, z=0},
{x=-1, y=0, z=0},
{x=0, y=0, z=1},
{x=1, y=1, z=0},
{x=1, y=-1, z=0},
{x=-1, y=1, z=0},
{x=-1, y=-1, z=0},
{x=0, y=1, z=1},
{x=0, y=-1, z=1},
{x=0, y=1, z=-1},
{x=0, y=-1, z=-1},
{x=0, y=-2, z=0}}
dofile(advtrains.modpath.."/trainlogic.lua")
dofile(advtrains.modpath.."/trainhud.lua")
dofile(advtrains.modpath.."/trackplacer.lua")
dofile(advtrains.modpath.."/tracks.lua")
dofile(advtrains.modpath.."/atc.lua")
dofile(advtrains.modpath.."/wagons.lua")
dofile(advtrains.modpath.."/trackdb_legacy.lua")
dofile(advtrains.modpath.."/nodedb.lua")
dofile(advtrains.modpath.."/couple.lua")
dofile(advtrains.modpath.."/damage.lua")
dofile(advtrains.modpath.."/signals.lua")
dofile(advtrains.modpath.."/misc_nodes.lua")
dofile(advtrains.modpath.."/crafting.lua")
--load/save
advtrains.fpath=minetest.get_worldpath().."/advtrains"
local file, err = io.open(advtrains.fpath, "r")
if not file then
minetest.log("error", " Failed to read advtrains save data from file "..advtrains.fpath..": "..(err or "Unknown Error"))
else
local tbl = minetest.deserialize(file:read("*a"))
if type(tbl) == "table" then
if tbl.version then
--congrats, we have the new save format.
advtrains.trains = tbl.trains
advtrains.wagon_save = tbl.wagon_save
advtrains.ndb.load_data(tbl.ndb)
advtrains.atc.load_data(tbl.atc)
else
--oh no, its the old one...
advtrains.trains=tbl
--load ATC
advtrains.fpath_atc=minetest.get_worldpath().."/advtrains_atc"
local file, err = io.open(advtrains.fpath_atc, "r")
if not file then
local er=err or "Unknown Error"
atprint("Failed loading advtrains atc save file "..er)
else
local tbl = minetest.deserialize(file:read("*a"))
if type(tbl) == "table" then
advtrains.atc.controllers=tbl.controllers
end
file:close()
end
--load wagon saves
advtrains.fpath_ws=minetest.get_worldpath().."/advtrains_wagon_save"
local file, err = io.open(advtrains.fpath_ws, "r")
if not file then
local er=err or "Unknown Error"
atprint("Failed loading advtrains save file "..er)
else
local tbl = minetest.deserialize(file:read("*a"))
if type(tbl) == "table" then
advtrains.wagon_save=tbl
end
file:close()
end
end
else
minetest.log("error", " Failed to deserialize advtrains save data: Not a table!")
end
file:close()
end
advtrains.save = function()
--atprint("saving")
advtrains.invalidate_all_paths()
-- update wagon saves
for _,wagon in pairs(minetest.luaentities) do
if wagon.is_wagon and wagon.initialized then
wagon:get_staticdata()
end
end
--cross out userdata
for w_id, data in pairs(advtrains.wagon_save) do
data.name=nil
data.object=nil
if data.driver then
data.driver_name=data.driver:get_player_name()
data.driver=nil
else
data.driver_name=nil
end
if data.discouple then
data.discouple.object:remove()
data.discouple=nil
end
end
--versions:
-- 1 - Initial new save format.
local save_tbl={
trains = advtrains.trains,
wagon_save = advtrains.wagon_save,
atc = advtrains.atc.save_data(),
ndb = advtrains.ndb.save_data(),
version = 1,
}
local datastr = minetest.serialize(save_tbl)
if not datastr then
minetest.log("error", " Failed to serialize advtrains save data!")
return
end
local file, err = io.open(advtrains.fpath, "w")
if err then
minetest.log("error", " Failed to write advtrains save data to file "..advtrains.fpath..": "..(err or "Unknown Error"))
return
end
file:write(datastr)
file:close()
end
minetest.register_on_shutdown(advtrains.save)
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