Adds "surround" arg to playsound, which enables 3D sound

Defaulted to on
Also changes the toy nuke to use it

Conflicts:
	code/game/sound.dm

code/game/objects/items/toys.dm

@@ -544,14 +544,13 @@
 /obj/item/toy/nuke/attack_self(mob/user)
 	if (cooldown < world.time)
 		cooldown = world.time + 3000 //5 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='notice'>You hear the click of a button.</span>")
-		sleep(5)
-		icon_state = "nuketoy"
-		for (var/mob/M in hearers(world.view, user)) //I'm doing this because playsound's dampening/stereo ruins the effect
-			if (M.client && !M.ear_deaf)
-				M << 'sound/machines/Alarm.ogg'
-		sleep(135)
-		icon_state = "nuketoyidle"
+		spawn() //gia said so
+			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='notice'>You hear the click of a button.</span>")
+			sleep(5)
+			icon_state = "nuketoy"
+			playsound(src, 'sound/machines/Alarm.ogg', 100, 0, surround = 0)
+			sleep(135)
+			icon_state = "nuketoyidle"
 
 /obj/item/weapon/toddler
 	icon_state = "toddler"

code/game/sound.dm

@@ -1,4 +1,4 @@
-/proc/playsound(var/atom/source, soundin, vol as num, vary, extrarange as num, falloff)
+/proc/playsound(var/atom/source, soundin, vol as num, vary, extrarange as num, falloff, surround = 1)
 
 	soundin = get_sfx(soundin) // same sound for everyone
 
@@ -7,21 +7,22 @@
 		return
 
 	var/frequency = get_rand_frequency() // Same frequency for everybody
+	var/turf/turf_source = get_turf(source)
 
  	// Looping through the player list has the added bonus of working for mobs inside containers
 	for (var/P in player_list)
 		var/mob/M = P
 		if(!M || !M.client)
 			continue
-		var/turf/T = get_turf(M)
-		if(T && T.z && T.z == source.z)
-			if(get_dist(T, source) <= world.view + extrarange)
-				M.playsound_local(source, soundin, vol, vary, frequency, falloff)
+		if(get_dist(M, turf_source) <= world.view + extrarange)
+			var/turf/T = get_turf(M)
+			if(T && T.z == turf_source.z)
+				M.playsound_local(turf_source, soundin, vol, vary, frequency, falloff, surround)
 
 var/const/FALLOFF_SOUNDS = 1
 var/const/SURROUND_CAP = 7
 
-/mob/proc/playsound_local(var/atom/source, soundin, vol as num, vary, frequency, falloff)
+/mob/proc/playsound_local(var/turf/turf_source, soundin, vol as num, vary, frequency, falloff, surround = 1)
 	if(!src.client || ear_deaf > 0)	return
 	soundin = get_sfx(soundin)
 
@@ -36,16 +37,15 @@ var/const/SURROUND_CAP = 7
 		else
 			S.frequency = get_rand_frequency()
 
-	var/turf/turf_source = get_turf(source)
 	if(isturf(turf_source))
 		// 3D sounds, the technology is here!
 		var/turf/T = get_turf(src)
-		var/dx = turf_source.x - T.x // Hearing from the right/left
+		if (surround)
+			var/dx = turf_source.x - T.x // Hearing from the right/left
+			S.x = round(max(-SURROUND_CAP, min(SURROUND_CAP, dx)), 1)
 
-		S.x = round(max(-SURROUND_CAP, min(SURROUND_CAP, dx)), 1)
-
-		var/dz = turf_source.y - T.y // Hearing from infront/behind
-		S.z = round(max(-SURROUND_CAP, min(SURROUND_CAP, dz)), 1)
+			var/dz = turf_source.y - T.y // Hearing from infront/behind
+			S.z = round(max(-SURROUND_CAP, min(SURROUND_CAP, dz)), 1)
 
 		// The y value is for above your head, but there is no ceiling in 2d spessmens.
 		S.y = 1
@@ -75,4 +75,5 @@ var/const/SURROUND_CAP = 7
 			if ("hiss") soundin = pick('sound/voice/hiss1.ogg','sound/voice/hiss2.ogg','sound/voice/hiss3.ogg','sound/voice/hiss4.ogg')
 			if ("pageturn") soundin = pick('sound/effects/pageturn1.ogg', 'sound/effects/pageturn2.ogg','sound/effects/pageturn3.ogg')
 			if ("gunshot") soundin = pick('sound/weapons/Gunshot.ogg', 'sound/weapons/Gunshot2.ogg','sound/weapons/Gunshot3.ogg','sound/weapons/Gunshot4.ogg')
-	return soundin
+	return soundin
+