1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
|
-- 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={}, player_to_train_mapping={}}
--pcall
local no_action=true
function advtrains.pcall(fun)
if no_action then return end
local succ, err, return1, return2, return3, return4=pcall(fun)
if not succ then
atwarn("Lua Error occured: ", err)
atwarn("Restoring saved state in 1 second...")
no_action=true
--read last save state and continue, as if server was restarted
for aoi, le in pairs(minetest.luaentities) do
if le.is_wagon then
le.object:remove()
end
end
minetest.after(1, advtrains.load)
else
return err, return1, return2, return3, return4
end
end
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
atwarn=function(t, ...)
local text=advtrains.print_concat_table({t, ...})
minetest.log("warning", "[advtrains]"..text)
minetest.chat_send_all("[advtrains] -!- "..text)
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.."/signals.lua")
dofile(advtrains.modpath.."/misc_nodes.lua")
dofile(advtrains.modpath.."/crafting.lua")
dofile(advtrains.modpath.."/craft_items.lua")
--load/save
advtrains.fpath=minetest.get_worldpath().."/advtrains"
function advtrains.load()
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.player_to_train_mapping = tbl.ptmap or {}
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
no_action=false
end
advtrains.load()
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,
ptmap = advtrains.player_to_train_mapping,
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)
|