- Added vent control to air alarms

- Added air filter pressure control and made N2O filtering a separate option
- Fixed gas sensor division by zero bug
- Some atmos changes
- Disease gib-loop debugging
- Moved alarms, scrubbers and vents initialization to more suitable place 

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@352 316c924e-a436-60f5-8080-3fe189b3f50e

code/ATMOSPHERICS/components/unary/vent_scrubber.dm

@@ -45,6 +45,7 @@
 			var/datum/signal/signal = new
 			signal.transmission_method = 1 //radio signal
 			signal.data["tag"] = id_tag
+			signal.data["device"] = "AScr"
 			signal.data["timestamp"] = air_master.current_cycle
 			signal.data["on"] = on
 			signal.data["scrubbing"] = scrubbing
@@ -55,59 +56,14 @@
 
 			return 1
 
-		//This is probably not a good place for this, since it messes with all scrubbers and alarms in area. Maybe it's better to move this to area code.
-		//It has its issues. Just place additional air alarm closer to the scrubbers, or assign scrubbers manually
-		find_air_alarm()
-			if(src.id_tag) return //id_tag assigned
-			var/area/A = get_area(loc)
-			var/area/M = A.master //we want to search master area, not only L(number) one
-
-			var/uniq_id = md5(M.name)//hash works like a charm
-			var/list/alarms = list()
-			var/list/scrubbers = list()
-			var/i = 0 //used in id_tag and scrubber name generation
-
-			if(M.related && M.related.len)//if has relatives
-				for(var/area/Rel in M.related)//check all relatives
-					if(Rel == M) continue //same parent area.
-					if(Rel.contents && Rel.contents.len)
-						for(var/obj/machinery/alarm/Al in Rel.contents)//find air alarms in area, append to list
-							alarms += Al
-						for(var/obj/machinery/atmospherics/unary/vent_scrubber/V in Rel.contents)//find scrubbers in area, append to list
-							if(V.id_tag) continue//already connected to air alarm
-							scrubbers += V
-
-			if(scrubbers.len&&alarms.len) //if scrubbers & alarms found in area
-				for(var/obj/machinery/atmospherics/unary/vent_scrubber/Sc in scrubbers)//iterate over found scrubbers
-					var/dist = 127 //max value returned by get_dist
-					var/obj/machinery/alarm/target_alarm = null
-					for(var/obj/machinery/alarm/Al in alarms)//iterate over found alarms
-						var/temp_dist = get_dist(Sc.loc, Al.loc)//if distance between current scrubber and current alarm < previous distance, set this alarm as target to connect to
-						if(temp_dist<dist)
-							target_alarm = Al
-							dist = temp_dist
-					if(target_alarm) //if target(closest) air alarm found,
-						Sc.id_tag = "[uniq_id]_[i++]" //set scrubber id_tag
-						Sc.frequency = target_alarm.frequency //set scrubber frequency (alarm frequency)
-						var/d_name = "[M.name] Air Scrubber #[i]" //displayed name
-						target_alarm.sensors[Sc.id_tag] = d_name //append scrubber to alarm 'sensor' list
-						Sc.name = d_name //set scrubber name
-						//debug
-						//world << "[Sc.name] in [M.name] is set to frequency [Sc.frequency] with ID [Sc.id_tag]"
-						//debug
-
 	initialize()
-		find_air_alarm()
 		set_frequency(frequency)
 		update_icon()
 
 
 	process()
 		..()
-		if(!(stat & (NOPOWER|BROKEN)))
-			broadcast_status()
-		else
-			return 0
+		broadcast_status()
 
 		if(!on)
 			return 0
@@ -191,8 +147,8 @@
 				else
 					scrubbing = 1
 					volume_rate = 120
-
 		if(signal.data["tag"])
-			spawn(2) broadcast_status()
-		update_icon()
-		return ..()
+			spawn(2)
+				broadcast_status()
+				update_icon()
+		return