Update LINDA to use a real process instead of using the scheduler as a

ticker

code/controllers/Processes/air.dm

@@ -1,22 +1,121 @@
-/datum/controller/process/air/setup()
+var/kill_air = 0
+
+var/global/datum/controller/process/air_system/air_master
+
+/datum/controller/process/air_system
+	var/list/excited_groups = list()
+	var/list/active_turfs = list()
+	var/list/hotspots = list()
+
+	//Special functions lists
+	var/list/turf/simulated/active_super_conductivity = list()
+	var/list/turf/simulated/high_pressure_delta = list()
+
+	var/current_cycle = 0
+	var/failed_ticks = 0
+	var/tick_progress = 0
+
+/datum/controller/process/air_system/setup()
 	name = "air"
 	schedule_interval = 20 // every 2 seconds
+	air_master = src
 
-	if(!air_master)
-		air_master = new
-		air_master.Setup()
+	world << "<span class='danger'>Processing Geometry...</span>"
+	var/start_time = world.timeofday
+	setup_allturfs() // Get all currently active tiles that need processing each atmos tick.
+	setup_overlays() // Assign icons and such for gas-turf-overlays
+	world << "<span class='danger'>Geometry processed in [(world.timeofday-start_time)/10] seconds!</span>"
 
-/datum/controller/process/air/doWork()
-	if(!air_processing_killed)
-		if(!air_master.process()) //Runtimed.
-			air_master.failed_ticks++
+/datum/controller/process/air_system/doWork()
+	if(kill_air)
+		return 1
+	current_cycle++
+	process_active_turfs()
+	process_excited_groups()
+	scheck()
+	process_high_pressure_delta()
+	process_hotspots()
+	process_super_conductivity()
+	scheck()
+	return 1
 
-			if(air_master.failed_ticks > 5)
-				world << "<SPAN CLASS='danger'>RUNTIMES IN ATMOS TICKER.  Killing air simulation!</SPAN>"
-				world.log << "### ZAS SHUTDOWN"
+/datum/controller/process/air_system/proc/process_hotspots()
+	for(var/obj/effect/hotspot/H in hotspots)
+		H.process()
 
-				message_admins("ZASALERT: Shutting down! status: [air_master.tick_progress]")
-				log_admin("ZASALERT: Shutting down! status: [air_master.tick_progress]")
+/datum/controller/process/air_system/proc/process_super_conductivity()
+	for(var/turf/simulated/T in active_super_conductivity)
+		T.super_conduct()
 
-				air_processing_killed = TRUE
-				air_master.failed_ticks = 0
+/datum/controller/process/air_system/proc/process_high_pressure_delta()
+	for(var/turf/T in high_pressure_delta)
+		T.high_pressure_movements()
+		T.pressure_difference = 0
+	high_pressure_delta.len = 0
+
+/datum/controller/process/air_system/proc/process_active_turfs()
+	for(var/turf/simulated/T in active_turfs)
+		T.process_cell()
+
+/datum/controller/process/air_system/proc/remove_from_active(var/turf/simulated/T)
+	if(istype(T))
+		T.excited = 0
+		active_turfs -= T
+		if(T.excited_group)
+			T.excited_group.garbage_collect()
+
+/datum/controller/process/air_system/proc/add_to_active(var/turf/simulated/T, var/blockchanges = 1)
+	if(istype(T) && T.air)
+		T.excited = 1
+		active_turfs |= T
+		if(blockchanges && T.excited_group)
+			T.excited_group.garbage_collect()
+	else
+		for(var/direction in cardinal)
+			if(!(T.atmos_adjacent_turfs & direction))
+				continue
+			var/turf/simulated/S = get_step(T, direction)
+			if(istype(S))
+				add_to_active(S)
+
+/datum/controller/process/air_system/proc/setup_allturfs(var/turfs_in = world)
+	for(var/turf/simulated/T in turfs_in)
+		T.CalculateAdjacentTurfs()
+		if(!T.blocks_air)
+			if(T.air.check_tile_graphic())
+				T.update_visuals(T.air)
+			for(var/direction in cardinal)
+				if(!(T.atmos_adjacent_turfs & direction))
+					continue
+				var/turf/enemy_tile = get_step(T, direction)
+				if(istype(enemy_tile,/turf/simulated/))
+					var/turf/simulated/enemy_simulated = enemy_tile
+					if(!T.air.compare(enemy_simulated.air))
+						T.excited = 1
+						active_turfs |= T
+						break
+				else
+					if(!T.air.check_turf_total(enemy_tile))
+						T.excited = 1
+						active_turfs |= T
+
+/datum/controller/process/air_system/proc/process_excited_groups()
+	for(var/datum/excited_group/EG in excited_groups)
+		EG.breakdown_cooldown ++
+		if(EG.breakdown_cooldown == 10)
+			EG.self_breakdown()
+			return
+		if(EG.breakdown_cooldown > 20)
+			EG.dismantle()
+
+/datum/controller/process/air_system/proc/setup_overlays()
+	plmaster = new /obj/effect/overlay()
+	plmaster.icon = 'icons/effects/tile_effects.dmi'
+	plmaster.icon_state = "plasma"
+	plmaster.layer = FLY_LAYER
+	plmaster.mouse_opacity = 0
+
+	slmaster = new /obj/effect/overlay()
+	slmaster.icon = 'icons/effects/tile_effects.dmi'
+	slmaster.icon_state = "sleeping_agent"
+	slmaster.layer = FLY_LAYER