removes a bunch of unneeded spawns

spawns have a high overhead.

I only went for easy targets, almost every spawn could be removed with a few subsystems in place to handle delays or cooldowns

code/LINDA/LINDA_turf_tile.dm

@@ -292,10 +292,13 @@
 /atom/movable/var/pressure_resistance = 5
 
 /atom/movable/proc/experience_pressure_difference(pressure_difference, direction)
+	set waitfor = 0
+	. = 0
 	if(!anchored && !pulledby)
+		. = 1
 		if(pressure_difference > pressure_resistance)
-			spawn step(src, direction)
+			step(src, direction)
-		return 1
+
 
 
 

code/controllers/subsystem/timer.dm

@@ -26,10 +26,13 @@ var/datum/subsystem/timer/SStimer
 		if (!event.thingToCall || qdeleted(event.thingToCall))
 			qdel(event)
 		if (event.timeToRun <= world.time)
-			spawn(-1)
+			runevent(event)
-				call(event.thingToCall, event.procToCall)(arglist(event.argList))
 			qdel(event)
 
+/datum/subsystem/timer/proc/runevent(datum/timedevent/event)
+	set waitfor = 0
+	call(event.thingToCall, event.procToCall)(arglist(event.argList))
+
 /datum/timedevent
 	var/thingToCall
 	var/procToCall

code/game/machinery/droneDispenser.dm

@@ -135,32 +135,32 @@
 	if(work_sound)
 		playsound(src, work_sound, 50, 1)
 	icon_state = icon_creating
-	spawn(30)
+	sleep 30
+	icon_state = icon_on
+	metal -= metal_cost
+	glass -= glass_cost
+	if(metal < 0)
+		metal = 0
+	if(glass < 0)
+		glass = 0
+	if(power_used)
+		use_power(power_used)
+	new dispense_type(loc)
+	if(create_sound)
+		playsound(src, create_sound, 50, 1)
+	if(end_create_message)
+		visible_message("<span class='notice'>[src] [end_create_message]</span>")
+	icon_state = icon_recharging
+	sleep(cooldownTime)
+	if(stat != BROKEN)
 		icon_state = icon_on
-		metal -= metal_cost
+	else
-		glass -= glass_cost
+		icon_state = icon_off
-		if(metal < 0)
+	droneMadeRecently = 0
-			metal = 0
+	if(recharge_sound)
-		if(glass < 0)
+		playsound(src, recharge_sound, 50, 1)
-			glass = 0
+	if(recharge_message)
-		if(power_used)
+		visible_message("<span class='notice'>[src] [recharge_message]</span>")
-			use_power(power_used)
-		new dispense_type(loc)
-		if(create_sound)
-			playsound(src, create_sound, 50, 1)
-		if(end_create_message)
-			visible_message("<span class='notice'>[src] [end_create_message]</span>")
-		icon_state = icon_recharging
-		spawn(cooldownTime)
-			if(stat != BROKEN)
-				icon_state = icon_on
-			else
-				icon_state = icon_off
-			droneMadeRecently = 0
-			if(recharge_sound)
-				playsound(src, recharge_sound, 50, 1)
-			if(recharge_message)
-				visible_message("<span class='notice'>[src] [recharge_message]</span>")
 
 /obj/machinery/droneDispenser/attackby(obj/item/O, mob/living/user)
 	if(istype(O, /obj/item/stack))

code/game/machinery/portable_turret.dm

@@ -504,8 +504,7 @@
 
 	if(!tryToShootAt(targets))
 		if(!always_up)
-			spawn()
+			popDown() // no valid targets, close the cover
-				popDown() // no valid targets, close the cover
 
 
 /obj/machinery/porta_turret/proc/tryToShootAt(list/atom/movable/targets)

code/game/machinery/status_display.dm

@@ -44,9 +44,12 @@
 
 /obj/machinery/status_display/New()
 	..()
-	spawn(5)	// must wait for map loading to finish
+	if(SSradio)
-		if(SSradio)
+		SSradio.add_object(src, frequency)
-			SSradio.add_object(src, frequency)
+
+/obj/machinery/status_display/initialize()
+	if(SSradio)
+		SSradio.add_object(src, frequency)
 
 /obj/machinery/status_display/Destroy()
 	if(SSradio)

code/game/machinery/syndicatebomb.dm

@@ -114,9 +114,8 @@
 		wires.Interact(user)
 	if(!open_panel)
 		if(!active)
-			spawn()
+			settings(user)
-				settings(user)
+			return
-				return
 		else if(anchored)
 			user << "<span class='warning'>The bomb is bolted to the floor!</span>"
 			return

code/game/objects/effects/decals/Cleanable/humans.dm

@@ -88,18 +88,18 @@
 
 
 /obj/effect/decal/cleanable/blood/gibs/proc/streak(list/directions)
-	spawn (0)
+	set waitfor = 0
-		var/direction = pick(directions)
+	var/direction = pick(directions)
-		for (var/i = 0, i < pick(1, 200; 2, 150; 3, 50; 4), i++)
+	for (var/i = 0, i < pick(1, 200; 2, 150; 3, 50; 4), i++)
-			sleep(3)
+		sleep(3)
-			if (i > 0)
+		if (i > 0)
-				var/obj/effect/decal/cleanable/blood/b = new /obj/effect/decal/cleanable/blood/splatter(src.loc)
+			var/obj/effect/decal/cleanable/blood/b = new /obj/effect/decal/cleanable/blood/splatter(src.loc)
-				for(var/datum/disease/D in src.viruses)
+			for(var/datum/disease/D in src.viruses)
-					var/datum/disease/ND = D.Copy(1)
+				var/datum/disease/ND = D.Copy(1)
-					b.viruses += ND
+				b.viruses += ND
-					ND.holder = b
+				ND.holder = b
-			if (step_to(src, get_step(src, direction), 0))
+		if (step_to(src, get_step(src, direction), 0))
-				break
+			break
 
 /obj/effect/decal/cleanable/blood/drip
 	name = "drips of blood"

code/game/objects/effects/decals/Cleanable/robots.dm

@@ -14,19 +14,19 @@
 	bloodiness = MAX_SHOE_BLOODINESS
 
 /obj/effect/decal/cleanable/robot_debris/proc/streak(list/directions)
-	spawn (0)
+	set waitfor = 0
-		var/direction = pick(directions)
+	var/direction = pick(directions)
-		for (var/i = 0, i < pick(1, 200; 2, 150; 3, 50; 4), i++)
+	for (var/i = 0, i < pick(1, 200; 2, 150; 3, 50; 4), i++)
-			sleep(3)
+		sleep(3)
-			if (i > 0)
+		if (i > 0)
-				if (prob(40))
+			if (prob(40))
-					new /obj/effect/decal/cleanable/oil/streak(src.loc)
+				new /obj/effect/decal/cleanable/oil/streak(src.loc)
-				else if (prob(10))
+			else if (prob(10))
-					var/datum/effect_system/spark_spread/s = new /datum/effect_system/spark_spread
+				var/datum/effect_system/spark_spread/s = new /datum/effect_system/spark_spread
-					s.set_up(3, 1, src)
+				s.set_up(3, 1, src)
-					s.start()
+				s.start()
-			if (step_to(src, get_step(src, direction), 0))
+		if (step_to(src, get_step(src, direction), 0))
-				break
+			break
 
 /obj/effect/decal/cleanable/robot_debris/ex_act()
 	return

code/game/objects/explosion.dm

@@ -14,6 +14,7 @@
 
 
 /proc/explosion(turf/epicenter, devastation_range, heavy_impact_range, light_impact_range, flash_range, adminlog = 1, ignorecap = 0, flame_range = 0 ,silent = 0)
+	set waitfor = 0
 	src = null	//so we don't abort once src is deleted
 	epicenter = get_turf(epicenter)
 
@@ -30,126 +31,125 @@
 		flash_range = min (MAX_EX_FLASH_RANGE, flash_range)
 		flame_range = min (MAX_EX_FLAME_RANGE, flame_range)
 
-	spawn(0)
+	var/start = world.timeofday
-		var/start = world.timeofday
+	if(!epicenter) return
-		if(!epicenter) return
 
-		var/max_range = max(devastation_range, heavy_impact_range, light_impact_range, flame_range)
+	var/max_range = max(devastation_range, heavy_impact_range, light_impact_range, flame_range)
-		var/list/cached_exp_block = list()
+	var/list/cached_exp_block = list()
 
-		if(adminlog)
+	if(adminlog)
-			message_admins("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range], [flame_range]) in area [epicenter.loc.name] ([epicenter.x],[epicenter.y],[epicenter.z])")
+		message_admins("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range], [flame_range]) in area [epicenter.loc.name] ([epicenter.x],[epicenter.y],[epicenter.z])")
-			log_game("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range], [flame_range]) in area [epicenter.loc.name] ([epicenter.x],[epicenter.y],[epicenter.z])")
+		log_game("Explosion with size ([devastation_range], [heavy_impact_range], [light_impact_range], [flame_range]) in area [epicenter.loc.name] ([epicenter.x],[epicenter.y],[epicenter.z])")
 
-		// Play sounds; we want sounds to be different depending on distance so we will manually do it ourselves.
+	// Play sounds; we want sounds to be different depending on distance so we will manually do it ourselves.
-		// Stereo users will also hear the direction of the explosion!
+	// Stereo users will also hear the direction of the explosion!
 
-		// Calculate far explosion sound range. Only allow the sound effect for heavy/devastating explosions.
+	// Calculate far explosion sound range. Only allow the sound effect for heavy/devastating explosions.
-		// 3/7/14 will calculate to 80 + 35
+	// 3/7/14 will calculate to 80 + 35
 
-		var/far_dist = 0
+	var/far_dist = 0
-		far_dist += heavy_impact_range * 5
+	far_dist += heavy_impact_range * 5
-		far_dist += devastation_range * 20
+	far_dist += devastation_range * 20
 
-		if(!silent)
+	if(!silent)
-			var/frequency = get_rand_frequency()
+		var/frequency = get_rand_frequency()
-			for(var/mob/M in player_list)
+		for(var/mob/M in player_list)
-				// Double check for client
+			// Double check for client
-				if(M && M.client)
+			if(M && M.client)
-					var/turf/M_turf = get_turf(M)
+				var/turf/M_turf = get_turf(M)
-					if(M_turf && M_turf.z == epicenter.z)
+				if(M_turf && M_turf.z == epicenter.z)
-						var/dist = get_dist(M_turf, epicenter)
+					var/dist = get_dist(M_turf, epicenter)
-						// If inside the blast radius + world.view - 2
+					// If inside the blast radius + world.view - 2
-						if(dist <= round(max_range + world.view - 2, 1))
+					if(dist <= round(max_range + world.view - 2, 1))
-							M.playsound_local(epicenter, get_sfx("explosion"), 100, 1, frequency, falloff = 5) // get_sfx() is so that everyone gets the same sound
+						M.playsound_local(epicenter, get_sfx("explosion"), 100, 1, frequency, falloff = 5) // get_sfx() is so that everyone gets the same sound
-						// You hear a far explosion if you're outside the blast radius. Small bombs shouldn't be heard all over the station.
+					// You hear a far explosion if you're outside the blast radius. Small bombs shouldn't be heard all over the station.
-						else if(dist <= far_dist)
+					else if(dist <= far_dist)
-							var/far_volume = Clamp(far_dist, 30, 50) // Volume is based on explosion size and dist
+						var/far_volume = Clamp(far_dist, 30, 50) // Volume is based on explosion size and dist
-							far_volume += (dist <= far_dist * 0.5 ? 50 : 0) // add 50 volume if the mob is pretty close to the explosion
+						far_volume += (dist <= far_dist * 0.5 ? 50 : 0) // add 50 volume if the mob is pretty close to the explosion
-							M.playsound_local(epicenter, 'sound/effects/explosionfar.ogg', far_volume, 1, frequency, falloff = 5)
+						M.playsound_local(epicenter, 'sound/effects/explosionfar.ogg', far_volume, 1, frequency, falloff = 5)
 
-		//postpone processing for a bit
+	//postpone processing for a bit
-		var/postponeCycles = max(round(devastation_range/8),1)
+	var/postponeCycles = max(round(devastation_range/8),1)
-		SSlighting.postpone(postponeCycles)
+	SSlighting.postpone(postponeCycles)
-		SSmachine.postpone(postponeCycles)
+	SSmachine.postpone(postponeCycles)
 
-		if(heavy_impact_range > 1)
+	if(heavy_impact_range > 1)
-			var/datum/effect_system/explosion/E = new/datum/effect_system/explosion()
+		var/datum/effect_system/explosion/E = new/datum/effect_system/explosion()
-			E.set_up(epicenter)
+		E.set_up(epicenter)
-			E.start()
+		E.start()
 
-		var/x0 = epicenter.x
+	var/x0 = epicenter.x
-		var/y0 = epicenter.y
+	var/y0 = epicenter.y
-		var/z0 = epicenter.z
+	var/z0 = epicenter.z
 
-		var/list/affected_turfs = trange(max_range, epicenter)
+	var/list/affected_turfs = trange(max_range, epicenter)
+
+	if(config.reactionary_explosions)
+		for(var/turf/T in affected_turfs) // we cache the explosion block rating of every turf in the explosion area
+			cached_exp_block[T] = 0
+			if(T.density && T.explosion_block)
+				cached_exp_block[T] += T.explosion_block
+
+			for(var/obj/machinery/door/D in T)
+				if(D.density && D.explosion_block)
+					cached_exp_block[T] += D.explosion_block
+
+			for(var/obj/structure/window/W in T)
+				if(W.reinf && W.fulltile)
+					cached_exp_block[T] += W.explosion_block
+
+			for(var/obj/effect/blob/B in T)
+				cached_exp_block[T] += B.explosion_block
+
+	for(var/turf/T in affected_turfs)
+
+		var/dist = cheap_hypotenuse(T.x, T.y, x0, y0)
 
 		if(config.reactionary_explosions)
-			for(var/turf/T in affected_turfs) // we cache the explosion block rating of every turf in the explosion area
+			var/turf/Trajectory = T
-				cached_exp_block[T] = 0
+			while(Trajectory != epicenter)
-				if(T.density && T.explosion_block)
+				Trajectory = get_step_towards(Trajectory, epicenter)
-					cached_exp_block[T] += T.explosion_block
+				dist += cached_exp_block[Trajectory]
 
-				for(var/obj/machinery/door/D in T)
+		var/flame_dist = 0
-					if(D.density && D.explosion_block)
+		var/throw_dist = dist
-						cached_exp_block[T] += D.explosion_block
 
-				for(var/obj/structure/window/W in T)
+		if(dist < flame_range)
-					if(W.reinf && W.fulltile)
+			flame_dist = 1
-						cached_exp_block[T] += W.explosion_block
 
-				for(var/obj/effect/blob/B in T)
+		if(dist < devastation_range)		dist = 1
-					cached_exp_block[T] += B.explosion_block
+		else if(dist < heavy_impact_range)	dist = 2
+		else if(dist < light_impact_range)	dist = 3
+		else 								dist = 0
 
-		for(var/turf/T in affected_turfs)
+		//------- TURF FIRES -------
 
-			var/dist = cheap_hypotenuse(T.x, T.y, x0, y0)
+		if(T)
+			if(flame_dist && prob(40) && !istype(T, /turf/space) && !T.density)
+				PoolOrNew(/obj/effect/hotspot, T) //Mostly for ambience!
+			if(dist > 0)
+				T.ex_act(dist)
 
-			if(config.reactionary_explosions)
+		//--- THROW ITEMS AROUND ---
-				var/turf/Trajectory = T
-				while(Trajectory != epicenter)
-					Trajectory = get_step_towards(Trajectory, epicenter)
-					dist += cached_exp_block[Trajectory]
 
-			var/flame_dist = 0
+		var/throw_dir = get_dir(epicenter,T)
-			var/throw_dist = dist
+		for(var/obj/item/I in T)
-
+			if(I && !I.anchored)
-			if(dist < flame_range)
+				var/throw_range = rand(throw_dist, max_range)
-				flame_dist = 1
+				var/turf/throw_at = get_ranged_target_turf(I, throw_dir, throw_range)
-
+				I.throw_speed = 4 //Temporarily change their throw_speed for embedding purposes (Reset when it finishes throwing, regardless of hitting anything)
-			if(dist < devastation_range)		dist = 1
+				I.throw_at_fast(throw_at, throw_range, 2)//Throw it at 2 speed, this is purely visual anyway.
-			else if(dist < heavy_impact_range)	dist = 2
-			else if(dist < light_impact_range)	dist = 3
-			else 								dist = 0
-
-			//------- TURF FIRES -------
-
-			if(T)
-				if(flame_dist && prob(40) && !istype(T, /turf/space) && !T.density)
-					PoolOrNew(/obj/effect/hotspot, T) //Mostly for ambience!
-				if(dist > 0)
-					T.ex_act(dist)
-
-			//--- THROW ITEMS AROUND ---
-
-			var/throw_dir = get_dir(epicenter,T)
-			for(var/obj/item/I in T)
-				if(I && !I.anchored)
-					var/throw_range = rand(throw_dist, max_range)
-					var/turf/throw_at = get_ranged_target_turf(I, throw_dir, throw_range)
-					I.throw_speed = 4 //Temporarily change their throw_speed for embedding purposes (Reset when it finishes throwing, regardless of hitting anything)
-					I.throw_at_fast(throw_at, throw_range, 2)//Throw it at 2 speed, this is purely visual anyway.
 
 
-		var/took = (world.timeofday-start)/10
+	var/took = (world.timeofday-start)/10
-		//You need to press the DebugGame verb to see these now....they were getting annoying and we've collected a fair bit of data. Just -test- changes  to explosion code using this please so we can compare
+	//You need to press the DebugGame verb to see these now....they were getting annoying and we've collected a fair bit of data. Just -test- changes  to explosion code using this please so we can compare
-		if(Debug2)	world.log << "## DEBUG: Explosion([x0],[y0],[z0])(d[devastation_range],h[heavy_impact_range],l[light_impact_range]): Took [took] seconds."
+	if(Debug2)	world.log << "## DEBUG: Explosion([x0],[y0],[z0])(d[devastation_range],h[heavy_impact_range],l[light_impact_range]): Took [took] seconds."
+
+	//Machines which report explosions.
+	for(var/array in doppler_arrays)
+		var/obj/machinery/doppler_array/A = array
+		A.sense_explosion(epicenter,devastation_range,heavy_impact_range,light_impact_range,took,orig_dev_range,orig_heavy_range,orig_light_range)
 
-		//Machines which report explosions.
-		for(var/array in doppler_arrays)
-			var/obj/machinery/doppler_array/A = array
-			A.sense_explosion(epicenter,devastation_range,heavy_impact_range,light_impact_range,took,orig_dev_range,orig_heavy_range,orig_light_range)
-			
 	return 1
 
 

code/game/objects/items/devices/radio/intercom.dm

@@ -20,8 +20,7 @@
 
 /obj/item/device/radio/intercom/attack_ai(mob/user)
 	src.add_fingerprint(user)
-	spawn (0)
+	attack_self(user)
-		attack_self(user)
 
 /obj/item/device/radio/intercom/attack_paw(mob/user)
 	return src.attack_hand(user)
@@ -29,8 +28,7 @@
 
 /obj/item/device/radio/intercom/attack_hand(mob/user)
 	src.add_fingerprint(user)
-	spawn (0)
+	attack_self(user)
-		attack_self(user)
 
 /obj/item/device/radio/intercom/receive_range(freq, level)
 	if (!on)

code/game/objects/items/devices/traitordevices.dm

@@ -40,16 +40,15 @@ effective or pretty fucking useless.
 	add_logs(user, null, "knocked down people in the area", src)
 
 	for(var/mob/living/carbon/human/M in ultra_range(10, user, 1))
-		spawn()
+		if(prob(50))
-			if(prob(50))
 
-				M.Weaken(rand(10,20))
+			M.Weaken(rand(10,20))
-				if(prob(25))
+			if(prob(25))
-					M.Stun(rand(5,10))
+				M.Stun(rand(5,10))
-				M << "<span class='userdanger'>You feel a tremendous, paralyzing wave flood your mind.</span>"
+			M << "<span class='userdanger'>You feel a tremendous, paralyzing wave flood your mind.</span>"
 
-			else
+		else
-				M << "<span class='userdanger'>You feel a sudden, electric jolt travel through your head.</span>"
+			M << "<span class='userdanger'>You feel a sudden, electric jolt travel through your head.</span>"
 
 	playsound(src.loc, 'sound/misc/interference.ogg', 50, 1)
 	user << "<span class='notice'>You trigger [src].</span>"

code/game/objects/items/toys.dm

@@ -422,7 +422,7 @@
 	if(istype(target, /obj/effect/decal/cleanable))
 		target = target.loc
 	if(is_type_in_list(target,validSurfaces))
-		
+
 		var/temp = "rune"
 		if(letters.Find(drawtype))
 			temp = "letter"
@@ -1106,13 +1106,13 @@
 	if (cooldown < world.time)
 		cooldown = world.time + 1800 //3 minutes
 		user.visible_message("<span class='warning'>[user] presses a button on [src].</span>", "<span class='notice'>You activate [src], it plays a loud noise!</span>", "<span class='italics'>You hear the click of a button.</span>")
-		spawn(5) //gia said so
+		sleep(5)
-			icon_state = "nuketoy"
+		icon_state = "nuketoy"
-			playsound(src, 'sound/machines/Alarm.ogg', 100, 0, surround = 0)
+		playsound(src, 'sound/machines/Alarm.ogg', 100, 0, surround = 0)
-			sleep(135)
+		sleep(135)
-			icon_state = "nuketoycool"
+		icon_state = "nuketoycool"
-			sleep(cooldown - world.time)
+		sleep(cooldown - world.time)
-			icon_state = "nuketoyidle"
+		icon_state = "nuketoyidle"
 	else
 		var/timeleft = (cooldown - world.time)
 		user << "<span class='alert'>Nothing happens, and '</span>[round(timeleft/10)]<span class='alert'>' appears on a small display.</span>"

code/game/objects/items/weapons/pneumaticCannon.dm

@@ -23,8 +23,7 @@
 		user << "<span class='notice'>You'll need to get closer to see any more.</span>"
 		return
 	for(var/obj/item/I in loadedItems)
-		spawn(0)
+		user << "<span class='info'>\icon [I] It has \the [I] loaded.</span>"
-			user << "<span class='info'>\icon [I] It has \the [I] loaded.</span>"
 	if(tank)
 		user << "<span class='notice'>\icon [tank] It has \the [tank] mounted onto it.</span>"
 

code/game/objects/items/weapons/singularityhammer.dm

@@ -93,13 +93,12 @@
 		"<span class='userdanger'>You feel a powerful shock course through your body sending you flying!</span>", \
 		"<span class='italics'>You hear a heavy electrical crack!</span>")
 	var/atom/throw_target = get_edge_target_turf(target, get_dir(src, get_step_away(target, src)))
-	target.throw_at(throw_target, 200, 4)
+	target.throw_at_fast(throw_target, 200, 4)
 	return
 
 
 /obj/item/weapon/twohanded/mjollnir/attack(mob/M, mob/user)
 	..()
-	spawn(0)
 	if(wielded)
 		//if(charged == 5)
 		//charged = 0

code/game/objects/structures/transit_tubes/station.dm

@@ -128,13 +128,12 @@
 		return
 	for(var/obj/structure/transit_tube_pod/pod in loc)
 		if(!pod.moving && turn(pod.dir, (reverse_launch ? 180 : 0)) in directions())
-			spawn(0)
+			pod_moving = 1
-				pod_moving = 1
+			close_animation()
-				close_animation()
+			sleep(CLOSE_DURATION + 2)
-				sleep(CLOSE_DURATION + 2)
+			if(icon_state == "closed" && pod)
-				if(icon_state == "closed" && pod)
+				pod.follow_tube(reverse_launch)
-					pod.follow_tube(reverse_launch)
+			pod_moving = 0
-				pod_moving = 0
 			return 1
 	return 0
 

code/game/objects/structures/transit_tubes/transit_tube_pod.dm

@@ -61,62 +61,63 @@
 	else return ..()
 
 /obj/structure/transit_tube_pod/proc/follow_tube(reverse_launch)
+	set waitfor = 0
 	if(moving)
 		return
 
 	moving = 1
 
-	spawn()
-		var/obj/structure/transit_tube/current_tube = null
-		var/next_dir
-		var/next_loc
-		var/last_delay = 0
-		var/exit_delay
 
-		if(reverse_launch)
+	var/obj/structure/transit_tube/current_tube = null
-			dir = turn(dir, 180) // Back it up
+	var/next_dir
+	var/next_loc
+	var/last_delay = 0
+	var/exit_delay
 
-		for(var/obj/structure/transit_tube/tube in loc)
+	if(reverse_launch)
-			if(tube.has_exit(dir))
+		dir = turn(dir, 180) // Back it up
+
+	for(var/obj/structure/transit_tube/tube in loc)
+		if(tube.has_exit(dir))
+			current_tube = tube
+			break
+
+	while(current_tube)
+		next_dir = current_tube.get_exit(dir)
+
+		if(!next_dir)
+			break
+
+		exit_delay = current_tube.exit_delay(src, dir)
+		last_delay += exit_delay
+
+		sleep(exit_delay)
+
+		next_loc = get_step(loc, next_dir)
+
+		current_tube = null
+		for(var/obj/structure/transit_tube/tube in next_loc)
+			if(tube.has_entrance(next_dir))
 				current_tube = tube
 				break
 
-		while(current_tube)
+		if(current_tube == null)
-			next_dir = current_tube.get_exit(dir)
-
-			if(!next_dir)
-				break
-
-			exit_delay = current_tube.exit_delay(src, dir)
-			last_delay += exit_delay
-
-			sleep(exit_delay)
-
-			next_loc = get_step(loc, next_dir)
-
-			current_tube = null
-			for(var/obj/structure/transit_tube/tube in next_loc)
-				if(tube.has_entrance(next_dir))
-					current_tube = tube
-					break
-
-			if(current_tube == null)
-				dir = next_dir
-				Move(get_step(loc, dir), dir) // Allow collisions when leaving the tubes.
-				break
-
-			last_delay = current_tube.enter_delay(src, next_dir)
-			sleep(last_delay)
 			dir = next_dir
-			loc = next_loc // When moving from one tube to another, skip collision and such.
+			Move(get_step(loc, dir), dir) // Allow collisions when leaving the tubes.
-			density = current_tube.density
+			break
 
-			if(current_tube && current_tube.should_stop_pod(src, next_dir))
+		last_delay = current_tube.enter_delay(src, next_dir)
-				current_tube.pod_stopped(src, dir)
+		sleep(last_delay)
-				break
+		dir = next_dir
+		loc = next_loc // When moving from one tube to another, skip collision and such.
+		density = current_tube.density
 
-		density = 1
+		if(current_tube && current_tube.should_stop_pod(src, next_dir))
-		moving = 0
+			current_tube.pod_stopped(src, dir)
+			break
+
+	density = 1
+	moving = 0
 
 
 // Should I return a copy here? If the caller edits or del()s the returned

code/modules/admin/verbs/SDQL2/SDQL_2.dm

@@ -93,14 +93,11 @@
 
 				for(var/datum/d in objs)
 					for(var/v in call_list)
-						// To stop any procs which sleep from executing slowly.
+						SDQL_callproc(d, v, args_list)
-						if(d)
-							if(hascall(d, v))
-								spawn() call(d, v)(arglist(args_list)) // Spawn in case the function sleeps.
 
 			if("delete")
 				for(var/datum/d in objs)
-					del d
+					qdel(d)
 
 			if("select")
 				var/text = ""
@@ -147,6 +144,10 @@
 
 
 
+/proc/SDQL_callproc(thing, procname, args_list)
+	set waitfor = 0
+	if(hascall(thing, procname))
+		call(thing, procname)(arglist(args_list)) // Spawn in case the function sleeps.
 
 /proc/SDQL_parse(list/query_list)
 	var/datum/SDQL_parser/parser = new()

code/modules/admin/verbs/debug.dm

@@ -28,72 +28,73 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 /client/proc/callproc()
 	set category = "Debug"
 	set name = "Advanced ProcCall"
+	set waitfor = 0
 
 	if(!check_rights(R_DEBUG)) return
 
-	spawn(0)
+	var/target = null
-		var/target = null
+	var/targetselected = 0
-		var/targetselected = 0
+	var/returnval = null
-		var/returnval = null
+	var/class = null
-		var/class = null
 
-		switch(alert("Proc owned by something?",,"Yes","No"))
+	switch(alert("Proc owned by something?",,"Yes","No"))
-			if("Yes")
+		if("Yes")
-				targetselected = 1
+			targetselected = 1
-				if(src.holder && src.holder.marked_datum)
+			if(src.holder && src.holder.marked_datum)
-					class = input("Proc owned by...","Owner",null) as null|anything in list("Obj","Mob","Area or Turf","Client","Marked datum ([holder.marked_datum.type])")
+				class = input("Proc owned by...","Owner",null) as null|anything in list("Obj","Mob","Area or Turf","Client","Marked datum ([holder.marked_datum.type])")
-					if(class == "Marked datum ([holder.marked_datum.type])")
+				if(class == "Marked datum ([holder.marked_datum.type])")
-						class = "Marked datum"
+					class = "Marked datum"
+			else
+				class = input("Proc owned by...","Owner",null) as null|anything in list("Obj","Mob","Area or Turf","Client")
+			switch(class)
+				if("Obj")
+					target = input("Enter target:","Target",usr) as obj in world
+				if("Mob")
+					target = input("Enter target:","Target",usr) as mob in world
+				if("Area or Turf")
+					target = input("Enter target:","Target",usr.loc) as area|turf in world
+				if("Client")
+					var/list/keys = list()
+					for(var/client/C)
+						keys += C
+					target = input("Please, select a player!", "Selection", null, null) as null|anything in keys
+				if("Marked datum")
+					target = holder.marked_datum
 				else
-					class = input("Proc owned by...","Owner",null) as null|anything in list("Obj","Mob","Area or Turf","Client")
+					return
-				switch(class)
+		if("No")
-					if("Obj")
+			target = null
-						target = input("Enter target:","Target",usr) as obj in world
+			targetselected = 0
-					if("Mob")
-						target = input("Enter target:","Target",usr) as mob in world
-					if("Area or Turf")
-						target = input("Enter target:","Target",usr.loc) as area|turf in world
-					if("Client")
-						var/list/keys = list()
-						for(var/client/C)
-							keys += C
-						target = input("Please, select a player!", "Selection", null, null) as null|anything in keys
-					if("Marked datum")
-						target = holder.marked_datum
-					else
-						return
-			if("No")
-				target = null
-				targetselected = 0
 
-		var/procname = input("Proc path, eg: /proc/fake_blood","Path:", null) as text|null
+	var/procname = input("Proc path, eg: /proc/fake_blood","Path:", null) as text|null
-		if(!procname)	return
+	if(!procname)	return
-		if(targetselected && !hascall(target,procname))
+	if(targetselected && !hascall(target,procname))
-			usr << "<font color='red'>Error: callproc(): target has no such call [procname].</font>"
+		usr << "<font color='red'>Error: callproc(): target has no such call [procname].</font>"
-			return
+		return
-		var/list/lst = get_callproc_args()
+	var/list/lst = get_callproc_args()
-		if(!lst)
+	if(!lst)
+		return
+
+	if(targetselected)
+		if(!target)
+			usr << "<font color='red'>Error: callproc(): owner of proc no longer exists.</font>"
 			return
+		log_admin("[key_name(src)] called [target]'s [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
+		message_admins("[key_name(src)] called [target]'s [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
+		returnval = call(target,procname)(arglist(lst)) // Pass the lst as an argument list to the proc
+	else
+		//this currently has no hascall protection. wasn't able to get it working.
+		log_admin("[key_name(src)] called [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
+		message_admins("[key_name(src)] called [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
+		returnval = call(procname)(arglist(lst)) // Pass the lst as an argument list to the proc
 
-		if(targetselected)
+	usr << "<font color='blue'>[procname] returned: [returnval ? returnval : "null"]</font>"
-			if(!target)
+	feedback_add_details("admin_verb","APC") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
-				usr << "<font color='red'>Error: callproc(): owner of proc no longer exists.</font>"
-				return
-			log_admin("[key_name(src)] called [target]'s [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
-			message_admins("[key_name(src)] called [target]'s [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
-			returnval = call(target,procname)(arglist(lst)) // Pass the lst as an argument list to the proc
-		else
-			//this currently has no hascall protection. wasn't able to get it working.
-			log_admin("[key_name(src)] called [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
-			message_admins("[key_name(src)] called [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
-			returnval = call(procname)(arglist(lst)) // Pass the lst as an argument list to the proc
-
-		usr << "<font color='blue'>[procname] returned: [returnval ? returnval : "null"]</font>"
-		feedback_add_details("admin_verb","APC") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 
 /client/proc/callproc_datum(A as null|area|mob|obj|turf)
 	set category = "Debug"
 	set name = "Atom ProcCall"
+	set waitfor = 0
 
 	if(!check_rights(R_DEBUG))
 		return
@@ -113,12 +114,13 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 		return
 	log_admin("[key_name(src)] called [A]'s [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
 	message_admins("[key_name(src)] called [A]'s [procname]() with [lst.len ? "the arguments [list2params(lst)]":"no arguments"].")
-	spawn()
-		var/returnval = call(A,procname)(arglist(lst)) // Pass the lst as an argument list to the proc
-		usr << "<span class='notice'>[procname] returned: [returnval ? returnval : "null"]</span>"
-
 	feedback_add_details("admin_verb","DPC") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 
+	var/returnval = call(A,procname)(arglist(lst)) // Pass the lst as an argument list to the proc
+	usr << "<span class='notice'>[procname] returned: [returnval ? returnval : "null"]</span>"
+
+
+
 /client/proc/get_callproc_args()
 	var/argnum = input("Number of arguments","Number:",0) as num|null
 	if(!argnum && (argnum!=0))	return
@@ -207,7 +209,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 	if(istype(M, /mob/living/carbon/human))
 		log_admin("[key_name(src)] has robotized [M.key].")
 		var/mob/living/carbon/human/H = M
-		spawn(10)
+		spawn(0)
 			H.Robotize()
 
 	else
@@ -223,7 +225,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 	if(istype(M, /mob/living/carbon/human))
 		log_admin("[key_name(src)] has blobized [M.key].")
 		var/mob/living/carbon/human/H = M
-		spawn(10)
+		spawn(0)
 			H.Blobize()
 
 	else
@@ -247,7 +249,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 		return
 
 	log_admin("[key_name(src)] has animalized [M.key].")
-	spawn(10)
+	spawn(0)
 		M.Animalize()
 
 
@@ -287,7 +289,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 		return
 	if(ishuman(M))
 		log_admin("[key_name(src)] has alienized [M.key].")
-		spawn(10)
+		spawn(0)
 			M:Alienize()
 			feedback_add_details("admin_verb","MKAL") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 		log_admin("[key_name(usr)] made [key_name(M)] into an alien.")
@@ -304,7 +306,7 @@ But you can call procs that are of type /mob/living/carbon/human/proc/ for that
 		return
 	if(ishuman(M))
 		log_admin("[key_name(src)] has slimeized [M.key].")
-		spawn(10)
+		spawn(0)
 			M:slimeize()
 			feedback_add_details("admin_verb","MKMET") //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 		log_admin("[key_name(usr)] made [key_name(M)] into a slime.")

code/modules/assembly/doorcontrol.dm

@@ -76,7 +76,6 @@
 		if (M.id == src.id)
 			spawn( 0 )
 				M.open()
-				return
 
 	sleep(10)
 
@@ -90,7 +89,6 @@
 		if (M.id == src.id)
 			spawn( 0 )
 				M.close()
-				return
 
 	sleep(10)
 	cooldown = 0

code/modules/assembly/proximity.dm

@@ -56,7 +56,6 @@
 	cooldown = 2
 	spawn(10)
 		process_cooldown()
-	return
 
 
 /obj/item/device/assembly/prox_sensor/process()
@@ -71,15 +70,13 @@
 /obj/item/device/assembly/prox_sensor/dropped()
 	spawn(0)
 		sense()
-		return
-	return
 
 
 /obj/item/device/assembly/prox_sensor/toggle_scan()
 	if(!secured)	return 0
 	scanning = !scanning
 	update_icon()
-	return
+
 
 
 /obj/item/device/assembly/prox_sensor/update_icon()

code/modules/assembly/signaler.dm

@@ -17,7 +17,7 @@
 	..()
 	spawn(40)
 		set_frequency(frequency)
-	return
+
 
 /obj/item/device/assembly/signaler/Destroy()
 	if(SSradio)

code/modules/client/client procs.dm

@@ -334,6 +334,6 @@ var/next_external_rsc = 0
 		'html/browser/scannernew.css',
 		'html/browser/playeroptions.css',
 		)
-	spawn (10)
+	spawn (10) //removing this spawn causes all clients to not get verbs.
 		//Precache the client with all other assets slowly, so as to not block other browse() calls
 		getFilesSlow(src, SSasset.cache, register_asset = FALSE)

code/modules/events/spacevine.dm

@@ -18,7 +18,7 @@
 
 	if(turfs.len) //Pick a turf to spawn at if we can
 		var/turf/simulated/T = pick(turfs)
-		spawn(0)	new/obj/effect/spacevine_controller(T) //spawn a controller at turf
+		new/obj/effect/spacevine_controller(T) //spawn a controller at turf
 
 
 /datum/spacevine_mutation

code/modules/flufftext/Dreaming.dm

@@ -1,4 +1,5 @@
 /mob/living/carbon/proc/dream()
+	set waitfor = 0
 	dreaming = 1
 	var/list/dreams = list(
 		"an ID card","a bottle","a familiar face","a crewmember","a toolbox","a security officer","the captain",
@@ -8,17 +9,16 @@
 		"a blue light","an abandoned laboratory","Nanotrasen","The Syndicate","blood","healing","power","respect",
 		"riches","space","a crash","happiness","pride","a fall","water","flames","ice","melons","flying"
 		)
-	spawn(0)
+	for(var/i = rand(1,4),i > 0, i--)
-		for(var/i = rand(1,4),i > 0, i--)
+		var/dream_image = pick(dreams)
-			var/dream_image = pick(dreams)
+		dreams -= dream_image
-			dreams -= dream_image
+		src << "<span class='notice'><i>... [dream_image] ...</i></span>"
-			src << "<span class='notice'><i>... [dream_image] ...</i></span>"
+		sleep(rand(40,70))
-			sleep(rand(40,70))
+		if(paralysis <= 0)
-			if(paralysis <= 0)
+			dreaming = 0
-				dreaming = 0
+			return 0
-				return 0
+	dreaming = 0
-		dreaming = 0
+	return 1
-		return 1
 
 /mob/living/carbon/proc/handle_dreams()
 	if(prob(5) && !dreaming) dream()

code/modules/hydroponics/hydroponics.dm

@@ -377,7 +377,7 @@
 	harvest = 0
 	weedlevel = 0 // Reset
 
-	spawn(5) // Wait a while
+	sleep(5) // Wait a while
 	update_icon()
 	visible_message("<span class='warning'>[oldPlantName] suddenly mutated into [myseed.plantname]!</span>")
 
@@ -397,7 +397,7 @@
 		harvest = 0
 		weedlevel = 0 // Reset
 
-		spawn(5) // Wait a while
+		sleep(5) // Wait a while
 		update_icon()
 		visible_message("<span class='warning'>The mutated weeds in [src] spawned a [myseed.plantname]!</span>")
 	else
@@ -798,8 +798,7 @@
 				user << "<span class='notice'>You reconnect \the [src]'s hoses.</span>"
 
 			for(var/obj/machinery/hydroponics/h in range(1,src))
-				spawn()
+				h.update_icon()
-					h.update_icon()
 
 	return
 

code/modules/mining/mine_turfs.dm

@@ -284,16 +284,14 @@ var/global/list/rockTurfEdgeCache
 		countdown(notify_admins)
 
 /turf/simulated/mineral/gibtonite/proc/countdown(notify_admins = 0)
-	spawn(0)
+	set waitfor = 0
-		while(stage == 1 && det_time > 0 && mineralAmt >= 1)
+	while(stage == 1 && det_time > 0 && mineralAmt >= 1)
-			det_time--
+		det_time--
-			sleep(5)
+		sleep(5)
-		if(stage == 1 && det_time <= 0 && mineralAmt >= 1)
+	if(stage == 1 && det_time <= 0 && mineralAmt >= 1)
-			var/turf/bombturf = get_turf(src)
+		var/turf/bombturf = get_turf(src)
-			mineralAmt = 0
+		mineralAmt = 0
-			explosion(bombturf,1,3,5, adminlog = notify_admins)
+		explosion(bombturf,1,3,5, adminlog = notify_admins)
-		if(stage == 0 || stage == 2)
-			return
 
 /turf/simulated/mineral/gibtonite/proc/defuse()
 	if(stage == 1)

code/modules/mob/dead/observer/observer.dm

@@ -182,9 +182,6 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	if(!istype(usr, /mob/dead/observer))
 		usr << "Not when you're not dead!"
 		return
-	usr.verbs -= /mob/dead/observer/proc/dead_tele
-	spawn(30)
-		usr.verbs += /mob/dead/observer/proc/dead_tele
 	var/A
 	A = input("Area to jump to", "BOOYEA", A) as null|anything in sortedAreas
 	var/area/thearea = A

code/modules/mob/interactive.dm

@@ -324,8 +324,8 @@
 	//proc functions
 	for(var/Proc in functions)
 		if(!isnotfunc())
-			spawn(1)
+			callfunction(Proc)
-				call(src,Proc)(src)
+
 
 	//target interaction stays hardcoded
 
@@ -411,6 +411,9 @@
 		tryWalk(TARGET)
 	LAST_TARGET = TARGET
 
+/mob/living/carbon/human/interactive/proc/callfunction(Proc)
+	set waitfor = 0
+	call(src,Proc)(src)
 /mob/living/carbon/human/interactive/proc/tryWalk(turf/TARGET)
 	if(!isnotfunc())
 		if(!walk2derpless(TARGET))

code/modules/mob/living/carbon/carbon.dm

@@ -364,22 +364,21 @@ var/const/GALOSHES_DONT_HELP = 4
 		adjustBruteLoss(10)
 
 /mob/living/carbon/proc/spin(spintime, speed)
-	spawn()
+	set waitfor = 0
-		var/D = dir
+	var/D = dir
-		while(spintime >= speed)
+	while(spintime >= speed)
-			sleep(speed)
+		sleep(speed)
-			switch(D)
+		switch(D)
-				if(NORTH)
+			if(NORTH)
-					D = EAST
+				D = EAST
-				if(SOUTH)
+			if(SOUTH)
-					D = WEST
+				D = WEST
-				if(EAST)
+			if(EAST)
-					D = SOUTH
+				D = SOUTH
-				if(WEST)
+			if(WEST)
-					D = NORTH
+				D = NORTH
-			dir = D
+		dir = D
-			spintime -= speed
+		spintime -= speed
-	return
 
 /mob/living/carbon/resist_buckle()
 	if(restrained())

code/modules/mob/living/carbon/human/species.dm

@@ -1215,7 +1215,7 @@
 					H.adjustOxyLoss(8)
 				H.throw_alert("too_much_co2", /obj/screen/alert/too_much_co2)
 			if(prob(20)) // Lets give them some chance to know somethings not right though I guess.
-				spawn(0) H.emote("cough")
+				H.emote("cough")
 
 		else
 			H.co2overloadtime = 0
@@ -1279,7 +1279,7 @@
 					H.sleeping = max(H.sleeping+2, 10)
 			else if(SA_pp > 0.01)	// There is sleeping gas in their lungs, but only a little, so give them a bit of a warning
 				if(prob(20))
-					spawn(0) H.emote(pick("giggle", "laugh"))
+					H.emote(pick("giggle", "laugh"))
 
 	handle_breath_temperature(breath, H)
 
@@ -1294,8 +1294,7 @@
 
 	if(!(NOBREATH in specflags) || (H.health <= config.health_threshold_crit))
 		if(prob(20))
-			spawn(0)
+			H.emote("gasp")
-				H.emote("gasp")
 		if(breath_pp > 0)
 			var/ratio = safe_breath_min/breath_pp
 			H.adjustOxyLoss(min(5*ratio, HUMAN_MAX_OXYLOSS)) // Don't fuck them up too fast (space only does HUMAN_MAX_OXYLOSS after all!

code/modules/mob/living/carbon/life.dm

@@ -48,7 +48,7 @@
 	if(losebreath > 0)
 		losebreath--
 		if(prob(10))
-			spawn emote("gasp")
+			emote("gasp")
 		if(istype(loc, /obj/))
 			var/obj/loc_as_obj = loc
 			loc_as_obj.handle_internal_lifeform(src,0)
@@ -113,8 +113,7 @@
 	//OXYGEN
 	if(O2_partialpressure < safe_oxy_min) //Not enough oxygen
 		if(prob(20))
-			spawn(0)
+			emote("gasp")
-				emote("gasp")
 		if(O2_partialpressure > 0)
 			var/ratio = safe_oxy_min/O2_partialpressure
 			adjustOxyLoss(min(5*ratio, 3))
@@ -144,7 +143,7 @@
 			if(world.time - co2overloadtime > 300)
 				adjustOxyLoss(8)
 		if(prob(20))
-			spawn(0) emote("cough")
+			emote("cough")
 
 	else
 		co2overloadtime = 0
@@ -168,7 +167,7 @@
 					sleeping = max(sleeping+2, 10)
 			else if(SA_partialpressure > 0.01)
 				if(prob(20))
-					spawn(0) emote(pick("giggle","laugh"))
+					emote(pick("giggle","laugh"))
 
 	//BREATH TEMPERATURE
 	handle_breath_temperature(breath)
@@ -264,21 +263,21 @@
 
 
 /mob/living/carbon/handle_stomach()
-	spawn(0)
+	set waitfor = 0
-		for(var/mob/living/M in stomach_contents)
+	for(var/mob/living/M in stomach_contents)
-			if(M.loc != src)
+		if(M.loc != src)
+			stomach_contents.Remove(M)
+			continue
+		if(istype(M, /mob/living/carbon) && stat != 2)
+			if(M.stat == 2)
+				M.death(1)
 				stomach_contents.Remove(M)
+				qdel(M)
 				continue
-			if(istype(M, /mob/living/carbon) && stat != 2)
+			if(SSmob.times_fired%3==1)
-				if(M.stat == 2)
+				if(!(M.status_flags & GODMODE))
-					M.death(1)
+					M.adjustBruteLoss(5)
-					stomach_contents.Remove(M)
+				nutrition += 10
-					qdel(M)
-					continue
-				if(SSmob.times_fired%3==1)
-					if(!(M.status_flags & GODMODE))
-						M.adjustBruteLoss(5)
-					nutrition += 10
 
 //This updates the health and status of the mob (conscious, unconscious, dead)
 /mob/living/carbon/handle_regular_status_updates()
@@ -320,8 +319,7 @@
 		adjustStaminaLoss(-10)
 		sleeping = max(sleeping-1, 0)
 		if( prob(10) && health && !hal_crit )
-			spawn(0)
+			emote("snore")
-				emote("snore")
 	else
 		clear_alert("asleep")
 

code/modules/mob/living/carbon/monkey/life.dm

@@ -139,9 +139,7 @@
 
 /mob/living/carbon/monkey/handle_random_events()
 	if (prob(1) && prob(2))
-		spawn(0)
+		emote("scratch")
-			emote("scratch")
-			return
 
 /mob/living/carbon/monkey/has_smoke_protection()
 	if(wear_mask)

code/modules/mob/living/carbon/monkey/monkey.dm

@@ -96,10 +96,8 @@
 					damage = rand(10, 15)
 					if ( (paralysis < 5)  && (health > 0) )
 						Paralyse(rand(10, 15))
-						spawn( 0 )
+						visible_message("<span class='danger'>[M] has knocked out [name]!</span>", \
-							visible_message("<span class='danger'>[M] has knocked out [name]!</span>", \
 									"<span class='userdanger'>[M] has knocked out [name]!</span>")
-							return
 				adjustBruteLoss(damage)
 				add_logs(M, src, "attacked")
 				updatehealth()

code/modules/mob/living/silicon/ai/death.dm

@@ -41,7 +41,6 @@
 
 	for(var/obj/machinery/ai_status_display/O in world) //change status
 		if(src.key)
-			spawn( 0 )
 			O.mode = 2
 			if (istype(loc, /obj/item/device/aicard))
 				loc.icon_state = "aicard-404"

code/modules/mob/living/simple_animal/bot/medbot.dm

@@ -153,7 +153,7 @@
 		dat += "Critical Patient Alerts: <a href='?src=\ref[src];critalerts=1'>[declare_crit ? "Yes" : "No"]</a><br>"
 		dat += "Patrol Station: <a href='?src=\ref[src];operation=patrol'>[auto_patrol ? "Yes" : "No"]</a><br>"
 		dat += "Stationary Mode: <a href='?src=\ref[src];stationary=1'>[stationary_mode ? "Yes" : "No"]</a><br>"
-	
+
 	return dat
 
 /mob/living/simple_animal/bot/medbot/Topic(href, href_list)
@@ -229,8 +229,7 @@
 		declare_crit = 0
 		if(user)
 			user << "<span class='notice'>You short out [src]'s reagent synthesis circuits.</span>"
-		spawn(0)
+		audible_message("<span class='danger'>[src] buzzes oddly!</span>")
-			audible_message("<span class='danger'>[src] buzzes oddly!</span>")
 		flick("medibot_spark", src)
 		if(user)
 			oldpatient = user

code/modules/mob/living/simple_animal/hostile/giant_spider.dm

@@ -116,13 +116,11 @@
 			//second, spin a sticky spiderweb on this tile
 			var/obj/effect/spider/stickyweb/W = locate() in get_turf(src)
 			if(!W)
-				spawn()
+				Web()
-					Web()
 			else
 				//third, lay an egg cluster there
 				if(fed)
-					spawn()
+					LayEggs()
-						LayEggs()
 				else
 					//fourthly, cocoon any nearby items so those pesky pinkskins can't use them
 					for(var/obj/O in can_see)
@@ -140,8 +138,7 @@
 
 		else if(busy == MOVING_TO_TARGET && cocoon_target)
 			if(get_dist(src, cocoon_target) <= 1)
-				spawn()
+				Wrap()
-					Wrap()
 
 	else
 		busy = 0

code/modules/mob/mob_movement.dm

@@ -275,13 +275,12 @@
 					else
 						return
 				L.loc = locate(locx,locy,mobloc.z)
-				spawn(0)
+				var/limit = 2//For only two trailing shadows.
-					var/limit = 2//For only two trailing shadows.
+				for(var/turf/T in getline(mobloc, L.loc))
-					for(var/turf/T in getline(mobloc, L.loc))
+					spawn(0)
-						spawn(0)
+						anim(T,L,'icons/mob/mob.dmi',,"shadow",,L.dir)
-							anim(T,L,'icons/mob/mob.dmi',,"shadow",,L.dir)
+					limit--
-						limit--
+					if(limit<=0)	break
-						if(limit<=0)	break
 			else
 				spawn(0)
 					anim(mobloc,mob,'icons/mob/mob.dmi',,"shadow",,L.dir)

code/modules/power/lighting.dm

@@ -365,18 +365,18 @@
 	return A.master.lightswitch && A.master.power_light
 
 /obj/machinery/light/proc/flicker(var/amount = rand(10, 20))
+	set waitfor = 0
 	if(flickering) return
 	flickering = 1
-	spawn(0)
+	if(on && status == LIGHT_OK)
-		if(on && status == LIGHT_OK)
+		for(var/i = 0; i < amount; i++)
-			for(var/i = 0; i < amount; i++)
+			if(status != LIGHT_OK) break
-				if(status != LIGHT_OK) break
+			on = !on
-				on = !on
-				update(0)
-				sleep(rand(5, 15))
-			on = (status == LIGHT_OK)
 			update(0)
-		flickering = 0
+			sleep(rand(5, 15))
+		on = (status == LIGHT_OK)
+		update(0)
+	flickering = 0
 
 // ai attack - make lights flicker, because why not
 
@@ -539,13 +539,13 @@
 // explode the light
 
 /obj/machinery/light/proc/explode()
+	set waitfor = 0
 	var/turf/T = get_turf(src.loc)
-	spawn(0)
+	broken()	// break it first to give a warning
-		broken()	// break it first to give a warning
+	sleep(2)
-		sleep(2)
+	explosion(T, 0, 0, 2, 2)
-		explosion(T, 0, 0, 2, 2)
+	sleep(1)
-		sleep(1)
+	qdel(src)
-		qdel(src)
 
 // the light item
 // can be tube or bulb subtypes

code/modules/power/tesla/energy_ball.dm

@@ -80,8 +80,7 @@ var/list/blacklisted_tesla_types = list(/obj/machinery/atmospherics,
 
 			var/orbitsize = (I.Width()+I.Height())*pick(0.5,0.6,0.7)
 			orbitsize -= (orbitsize/world.icon_size)*(world.icon_size*0.25)
-			spawn(1)
+			EB.orbit(src,orbitsize, pick(FALSE,TRUE), rand(10,25), pick(3,4,5,6,36))
-				EB.orbit(src,orbitsize, pick(FALSE,TRUE), rand(10,25), pick(3,4,5,6,36))
 
 
 

code/modules/projectiles/gun.dm

@@ -105,8 +105,7 @@
 
 /obj/item/weapon/gun/proc/shoot_live_shot(mob/living/user as mob|obj, pointblank = 0, mob/pbtarget = null, message = 1)
 	if(recoil)
-		spawn()
+		shake_camera(user, recoil + 1, recoil)
-			shake_camera(user, recoil + 1, recoil)
 
 	if(suppressed)
 		playsound(user, fire_sound, 10, 1)

code/modules/projectiles/guns/grenade_launcher.dm

@@ -41,7 +41,7 @@
 		return
 
 	if(grenades.len)
-		spawn(0) fire_grenade(target,user)
+		fire_grenade(target,user)
 	else
 		usr << "<span class='danger'>The grenade launcher is empty.</span>"
 
@@ -51,7 +51,7 @@
 	var/obj/item/weapon/grenade/chem_grenade/F = grenades[1] //Now with less copypasta!
 	grenades -= F
 	F.loc = user.loc
-	F.throw_at(target, 30, 2,user)
+	F.throw_at_fast(target, 30, 2,user)
 	message_admins("[key_name_admin(user)] fired a grenade ([F.name]) from a grenade launcher ([src.name]).")
 	log_game("[key_name(user)] fired a grenade ([F.name]) from a grenade launcher ([src.name]).")
 	F.active = 1

code/modules/projectiles/projectile.dm

@@ -122,18 +122,18 @@
 
 
 /obj/item/projectile/proc/fire()
-	spawn(1)
+	set waitfor = 0
-		while(loc)
+	while(loc)
-			if(!paused)
+		if(!paused)
-				if((!( current ) || loc == current))
+			if((!( current ) || loc == current))
-					current = locate(Clamp(x+xo,1,world.maxx),Clamp(y+yo,1,world.maxy),z)
+				current = locate(Clamp(x+xo,1,world.maxx),Clamp(y+yo,1,world.maxy),z)
-				step_towards(src, current)
+			step_towards(src, current)
-				if(original && (original.layer>=2.75) || ismob(original))
+			if(original && (original.layer>=2.75) || ismob(original))
-					if(loc == get_turf(original))
+				if(loc == get_turf(original))
-						if(!(original in permutated))
+					if(!(original in permutated))
-							Bump(original, 1)
+						Bump(original, 1)
-				Range()
+			Range()
-			sleep(1)
+		sleep(1)
 
 
 /obj/item/projectile/Crossed(atom/movable/AM) //A mob moving on a tile with a projectile is hit by it.

code/modules/reagents/chemistry/reagents/blob_reagents.dm

@@ -334,15 +334,15 @@
 			if(!X.anchored)
 				var/distance = get_dist(X, pull)
 				var/moving_power = max(range_power - distance, 1)
-				spawn(0)
+				if(moving_power > 2) //if the vortex is powerful and we're close, we get thrown
-					if(moving_power > 2) //if the vortex is powerful and we're close, we get thrown
+					if(setting_type)
-						if(setting_type)
+						var/atom/throw_target = get_edge_target_turf(X, get_dir(X, get_step_away(X, pull)))
-							var/atom/throw_target = get_edge_target_turf(X, get_dir(X, get_step_away(X, pull)))
+						var/throw_range = 5 - distance
-							var/throw_range = 5 - distance
+						X.throw_at_fast(throw_target, throw_range, 1)
-							X.throw_at(throw_target, throw_range, 1)
-						else
-							X.throw_at(pull, distance, 1)
 					else
+						X.throw_at_fast(pull, distance, 1)
+				else
+					spawn(0)
 						if(setting_type)
 							for(var/i in 0 to moving_power-1)
 								sleep(2)

code/modules/reagents/chemistry/recipes.dm

@@ -70,14 +70,14 @@ var/list/chemical_mob_spawn_nicecritters = list() // and possible friendly mobs
 		if(!X.anchored)
 			var/distance = get_dist(X, T)
 			var/moving_power = max(range - distance, 1)
-			spawn(0) //so everything moves at the same time.
+			if(moving_power > 2) //if the vortex is powerful and we're close, we get thrown
-				if(moving_power > 2) //if the vortex is powerful and we're close, we get thrown
+				if(setting_type)
-					if(setting_type)
+					var/atom/throw_target = get_edge_target_turf(X, get_dir(X, get_step_away(X, T)))
-						var/atom/throw_target = get_edge_target_turf(X, get_dir(X, get_step_away(X, T)))
+					X.throw_at_fast(throw_target, moving_power, 1)
-						X.throw_at(throw_target, moving_power, 1)
-					else
-						X.throw_at(T, moving_power, 1)
 				else
+					X.throw_at_fast(T, moving_power, 1)
+			else
+				spawn(0) //so everything moves at the same time.
 					if(setting_type)
 						for(var/i = 0, i < moving_power, i++)
 							sleep(2)

code/modules/recycling/conveyor2.dm

@@ -104,15 +104,15 @@
 	use_power(100)
 
 	affecting = loc.contents - src		// moved items will be all in loc
-	spawn(1)	// slight delay to prevent infinite propagation due to map order	//TODO: please no spawn() in process(). It's a very bad idea
+	sleep(1)	// slight delay to prevent infinite propagation due to map order
-		var/items_moved = 0
+	var/items_moved = 0
-		for(var/atom/movable/A in affecting)
+	for(var/atom/movable/A in affecting)
-			if(!A.anchored)
+		if(!A.anchored)
-				if(A.loc == src.loc) // prevents the object from being affected if it's not currently here.
+			if(A.loc == src.loc) // prevents the object from being affected if it's not currently here.
-					step(A,movedir)
+				step(A,movedir)
-					items_moved++
+				items_moved++
-			if(items_moved >= 10)
+		if(items_moved >= 10)
-				break
+			break
 
 // attack with item, place item on conveyor
 /obj/machinery/conveyor/attackby(obj/item/I, mob/user, params)

code/modules/recycling/disposal-structures.dm

@@ -62,13 +62,13 @@
 	loc = D.trunk
 	active = 1
 	dir = DOWN
-	spawn(1)
+	move()
-		move()		// spawn off the movement process
 
 	return
 
 // movement process, persists while holder is moving through pipes
 /obj/structure/disposalholder/proc/move()
+	set waitfor = 0
 	var/obj/structure/disposalpipe/last
 	while(active)
 		var/obj/structure/disposalpipe/curr = loc

code/modules/shuttle/shuttle.dm

@@ -385,11 +385,10 @@
 
 					//docking turbulence
 					if(M.client)
-						spawn(0)
+						if(M.buckled)
-							if(M.buckled)
+							shake_camera(M, 2, 1) // turn it down a bit come on
-								shake_camera(M, 2, 1) // turn it down a bit come on
+						else
-							else
+							shake_camera(M, 7, 1)
-								shake_camera(M, 7, 1)
 					if(istype(M, /mob/living/carbon))
 						if(!M.buckled)
 							M.Weaken(3)