Add save interval setting, fix accidental global variable, at_sync_ndb on server priv not limited, timetaking for restore_all

advtrains/init.lua

@@ -52,7 +52,7 @@ local NO_SAVE = false
 
 -- Use a global slowdown factor to slow down train movements. Now a setting
 local DTIME_LIMIT = tonumber(minetest.settings:get("advtrains_dtime_limit")) or 0.2
-
+local SAVE_INTERVAL = tonumber(minetest.settings:get("advtrains_save_interval")) or 60
 
 --Constant for maximum connection value/division of the circle
 AT_CMAX = 16
@@ -564,8 +564,7 @@ end
 --## MAIN LOOP ##--
 --Calls all subsequent main tasks of both advtrains and atlatc
 local init_load=false
-local save_interval=60
-local save_timer=save_interval
+local save_timer = SAVE_INTERVAL
 advtrains.mainloop_runcnt=0
 advtrains.global_slowdown = 1
 
@@ -624,7 +623,7 @@ minetest.register_globalstep(function(dtime_mt)
 			local t=os.clock()
 			--save
 			advtrains.save()
-			save_timer=save_interval
+			save_timer = SAVE_INTERVAL
 			atprintbm("saving", t)
 		end
 end)

advtrains/lzb.lua

@@ -83,7 +83,7 @@ local function look_ahead(id, train)
 	
 	--local brake_i = advtrains.path_get_index_by_offset(train, train.index, brakedst + params.BRAKE_SPACE)
 	-- worst case (don't use index_by_offset)
-	brake_i = atfloor(train.index + brakedst + params.BRAKE_SPACE)
+	local brake_i = atfloor(train.index + brakedst + params.BRAKE_SPACE)
 	atprint("LZB: looking ahead up to ", brake_i)
 	
 	--local aware_i = advtrains.path_get_index_by_offset(train, brake_i, AWARE_ZONE)

advtrains/nodedb.lua

@@ -327,6 +327,7 @@ minetest.register_lbm({
 --used when restoring stuff after a crash
 ndb.restore_all = function()
 	--atlog("Updating the map from the nodedb, this may take a while")
+	local t1 = os.clock()
 	local cnt=0
 	local dcnt=0
 	for y, ny in pairs(ndb_nodes) do
@@ -352,7 +353,7 @@ ndb.restore_all = function()
 			end
 		end
 	end
-	local text="Restore node database: Replaced "..cnt.." nodes, removed "..dcnt.." ghost nodes."
+	local text="Restore node database: Replaced "..cnt.." nodes, removed "..dcnt.." ghost nodes. (took "..math.floor((os.clock()-t1) * 1000).."ms)"
 	atlog(text)
 	return text
 end
@@ -379,7 +380,7 @@ minetest.register_chatcommand("at_sync_ndb",
         description = "Write node db back to map and find ghost nodes", -- Full description
         privs = {train_operator=true}, 
         func = function(name, param)
-				if os.time() < ptime+30 then
+				if os.time() < ptime+30 and not minetest.get_player_privs(name, "server") then
 					return false, "Please wait at least 30s from the previous execution of /at_restore_ndb!"
 				end
 				local text = ndb.restore_all()

advtrains/settingtypes.txt

@@ -52,3 +52,7 @@ advtrains_wagon_load_range (Wagon Entity Load/Unload Range) int 96 32 512
 #    acceleration of wagons to decrease server load.
 #    A value of 0 (default) disables this behavior.
 advtrains_dtime_limit (DTime Limit for slow-down) float 0.2 0 5
+
+#    Time interval in seconds in which advtrains stores its save data to disk
+#    Nevertheless, advtrains saves all data when shutting down the server.
+advtrains_save_interval (Save Interval) int 60 20 3600