tweak: crew monitor don`t work while commbrake

code/_globalvars/misc.dm

@@ -60,3 +60,5 @@ GLOBAL_LIST_INIT(pipe_colors, list("grey" = PIPE_COLOR_GREY, "red" = PIPE_COLOR_
 GLOBAL_VAR(genname) //Nanotrasen officer name for fax send via fax panel, randoms every round
 
 GLOBAL_VAR_INIT(pacifism_after_gt, FALSE)
+
+GLOBAL_VAR_INIT(communications_blackout, FALSE)

code/modules/events/communications_blackout.dm

@@ -15,9 +15,16 @@
 		GLOB.event_announcement.Announce(alert)
 
 /datum/event/communications_blackout/start()
+	var/time = rand(1800, 3000)
 	// This only affects the cores, relays should be unaffected imo
 	for(var/obj/machinery/tcomms/core/T in GLOB.tcomms_machines)
 		T.start_ion()
 		// Bring it back sometime between 3-5 minutes. This uses deciseconds, so 1800 and 3000 respecticely.
 		// The AI cannot disable this, it must be waited for
-		addtimer(CALLBACK(T, TYPE_PROC_REF(/obj/machinery/tcomms, end_ion)), rand(1800, 3000))
+		addtimer(CALLBACK(T, TYPE_PROC_REF(/obj/machinery/tcomms, end_ion)), time)
+	addtimer(CALLBACK(src, PROC_REF(toggle_monitors)), time)
+	GLOB.communications_blackout = TRUE
+
+/datum/event/communications_blackout/proc/toggle_monitors()
+	GLOB.communications_blackout = FALSE
+	return

code/modules/tgui/modules/crew_monitor.dm

@@ -23,6 +23,13 @@
 
 /datum/ui_module/crew_monitor/ui_interact(mob/user, ui_key = "main", datum/tgui/ui = null, force_open = FALSE, datum/tgui/master_ui = null, datum/ui_state/state = GLOB.default_state)
 	ui = SStgui.try_update_ui(user, src, ui_key, ui, force_open)
+
+	if(GLOB.communications_blackout)
+		to_chat(user, span_warning("Monitor shows strange symbols. There is no useful information, because of noise."))
+		if(ui)
+			ui.close()
+		return
+
 	if(!ui)
 		ui = new(user, src, ui_key, "CrewMonitor", name, 800, 600, master_ui, state)