heh.

code/controllers/subsystem/server_maint.dm

@@ -1,17 +1,28 @@
+#define PING_BUFFER_TIME 25
+
 SUBSYSTEM_DEF(server_maint)
 	name = "Server Tasks"
-	wait = 6000
-	flags = SS_NO_TICK_CHECK
+	wait = 6
+	flags = SS_POST_FIRE_TIMING|SS_FIRE_IN_LOBBY
+	priority = 10
+	var/list/currentrun
 
 /datum/controller/subsystem/server_maint/Initialize(timeofday)
 	if (config.hub)
 		world.visibility = 1
 	..()
 
-/datum/controller/subsystem/server_maint/fire()
-	//handle kicking inactive players
-	if(config.kick_inactive)
-		for(var/client/C in GLOB.clients)
+/datum/controller/subsystem/server_maint/fire(resumed = FALSE)
+	if(!resumed)
+		src.currentrun = GLOB.clients.Copy()
+
+	var/list/currentrun = src.currentrun
+	var/round_started = SSticker.HasRoundStarted()
+
+	for(var/I in currentrun)
+		var/client/C = I
+		//handle kicking inactive players
+		if(round_started && config.kick_inactive)
 			if(C.is_afk(config.afk_period))
 				var/cmob = C.mob
 				if(!(istype(cmob, /mob/dead/observer) || (istype(cmob, /mob/dead) && C.holder)))
@@ -19,5 +30,10 @@ SUBSYSTEM_DEF(server_maint)
 					to_chat(C, "<span class='danger'>You have been inactive for more than [config.afk_period / 600] minutes and have been disconnected.</span>")
 					qdel(C)
 
-	if(config.sql_enabled)
-		sql_poll_population()
+		if (!(!C || world.time - C.connection_time < PING_BUFFER_TIME || C.inactivity >= (wait-1)))
+			winset(C, null, "command=.update_ping+[world.time+world.tick_lag*world.tick_usage/100]")
+
+		if (MC_TICK_CHECK) //one day, when ss13 has 1000 people per server, you guys are gonna be glad I added this tick check
+			return
+
+#undef PING_BUFFER_TIME