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-rw-r--r--advtrains/advtrains_luaautomation/init.lua109
1 files changed, 109 insertions, 0 deletions
diff --git a/advtrains/advtrains_luaautomation/init.lua b/advtrains/advtrains_luaautomation/init.lua
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+++ b/advtrains/advtrains_luaautomation/init.lua
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+-- advtrains_luaautomation/init.lua
+-- Lua automation features for advtrains
+-- Uses global table 'atlatc' (AdvTrains_LuaATC)
+
+-- Boilerplate to support localized strings if intllib mod is installed.
+if intllib then
+ atltrans = intllib.Getter()
+else
+ atltrans = function(s,a,...)a={a,...}return s:gsub("@(%d+)",function(n)return a[tonumber(n)]end)end
+end
+
+--Privilege
+--Only trusted players should be enabled to build stuff which can break the server.
+
+atlatc = { envs = {}}
+
+minetest.register_privilege("atlatc", { description = "Player can place and modify LUA ATC components. Grant with care! Allows to execute bad LUA code.", give_to_singleplayer = false, default= false })
+
+--assertt helper. error if a variable is not of a type
+function assertt(var, typ)
+ if type(var)~=typ then
+ error("Assertion failed, variable has to be of type "..typ)
+ end
+end
+
+local mp=minetest.get_modpath("advtrains_luaautomation")
+if not mp then
+ error("Mod name error: Mod folder is not named 'advtrains_luaautomation'!")
+end
+dofile(mp.."/environment.lua")
+dofile(mp.."/interrupt.lua")
+dofile(mp.."/active_common.lua")
+dofile(mp.."/atc_rail.lua")
+dofile(mp.."/operation_panel.lua")
+dofile(mp.."/pcnaming.lua")
+
+dofile(mp.."/chatcmds.lua")
+
+
+local filename=minetest.get_worldpath().."/advtrains_luaautomation"
+
+function atlatc.load()
+ local file, err = io.open(filename, "r")
+ if not file then
+ minetest.log("warning", " Failed to read advtrains_luaautomation save data from file "..filename..": "..(err or "Unknown Error"))
+ minetest.log("warning", " (this is normal when first enabling advtrains on this world)")
+ else
+ atprint("luaautomation reading file:",filename)
+ local tbl = minetest.deserialize(file:read("*a"))
+ if type(tbl) == "table" then
+ if tbl.version==1 then
+ for envname, data in pairs(tbl.envs) do
+ atlatc.envs[envname]=atlatc.env_load(envname, data)
+ end
+ atlatc.active.load(tbl.active)
+ atlatc.interrupt.load(tbl.interrupt)
+ atlatc.pcnaming.load(tbl.pcnaming)
+ end
+ else
+ minetest.log("error", " Failed to read advtrains_luaautomation save data from file "..filename..": Not a table!")
+ end
+ file:close()
+ end
+ -- run init code of all environments
+ atlatc.run_initcode()
+end
+
+
+atlatc.save = function()
+ --versions:
+ -- 1 - Initial save format.
+
+ local envdata={}
+ for envname, env in pairs(atlatc.envs) do
+ envdata[envname]=env:save()
+ end
+ local save_tbl={
+ version = 1,
+ envs=envdata,
+ active = atlatc.active.save(),
+ interrupt = atlatc.interrupt.save(),
+ pcnaming = atlatc.pcnaming.save(),
+ }
+
+ local datastr = minetest.serialize(save_tbl)
+ if not datastr then
+ minetest.log("error", " Failed to save advtrains_luaautomation save data to file "..filename..": Can't serialize!")
+ return
+ end
+ local file, err = io.open(filename, "w")
+ if err then
+ minetest.log("error", " Failed to save advtrains_luaautomation save data to file "..filename..": "..(err or "Unknown Error"))
+ return
+ end
+ file:write(datastr)
+ file:close()
+end
+
+
+-- globalstep for step code
+local timer, step_int=0, 2
+
+function atlatc.mainloop_stepcode(dtime)
+ timer=timer+dtime
+ if timer>step_int then
+ timer=0
+ atlatc.run_stepcode()
+ end
+end