Teleportation Cleanup & Cult Teleports Respecting Anti-Magic

code/__DEFINES/dcs/signals/signals_atom/signals_atom.dm

@@ -115,7 +115,7 @@
 #define COMSIG_ATOM_CREATEDBY_PROCESSING "atom_createdby_processing"
 ///when an atom is processed (mob/living/user, obj/item/I, list/atom/results)
 #define COMSIG_ATOM_PROCESSED "atom_processed"
-///! called when teleporting into a protected turf: (channel, turf/origin)
+///! from the base of atom/intercept_teleport: (channel, turf/origin, turf/destination)
 #define COMSIG_ATOM_INTERCEPT_TELEPORT "intercept_teleport"
 	#define COMPONENT_BLOCK_TELEPORT 1
 ///called when an atom starts orbiting another atom: (atom)

code/__DEFINES/movement.dm

@@ -57,14 +57,8 @@
 #define TELEPORT_ALLOW_CLOCKWORK 2
 /// Everyone but abductors is restricted
 #define TELEPORT_ALLOW_ABDUCTORS 3
-
-//Teleport modes
-/// Default teleport mode
-#define TELEPORT_MODE_DEFAULT 0
-/// A clockwork teleport
-#define TELEPORT_MODE_CLOCKWORK 2
-/// An abductor teleport
-#define TELEPORT_MODE_ABDUCTORS 3
+/// Everyone but wizards is restricted
+#define TELEPORT_ALLOW_WIZARD 4
 
 // Jetpack Thrust
 /// Thrust needed with gravity

code/datums/helper_datums/teleport.dm

@@ -1,13 +1,85 @@
-// teleatom: atom to teleport
-// destination: destination to teleport to
-// precision: teleport precision (0 is most precise, the default)
-// effectin: effect to show right before teleportation
-// effectout: effect to show right after teleportation
-// asoundin: soundfile to play before teleportation
-// asoundout: soundfile to play after teleportation
-// no_effects: disable the default effectin/effectout of sparks
-// forced: whether or not to ignore no_teleport
-/proc/do_teleport(atom/movable/teleatom, atom/destination, precision=null, datum/effect_system/effectin=null, datum/effect_system/effectout=null, asoundin=null, asoundout=null, no_effects=FALSE, channel=TELEPORT_CHANNEL_BLUESPACE, forced = FALSE, teleport_mode = TELEPORT_MODE_DEFAULT, commit = TRUE, no_wake = FALSE)
+/**
+ * Returns FALSE if we SHOULDN'T do_teleport() with the given arguments
+ *
+ * Arguments:
+ * * teleatom: The atom to teleport
+ * * dest_turf: The destination turf for the atom to go
+ * * channel: Which teleport channel/type should we try to use (for blocking checks), defaults to TELEPORT_CHANNEL_BLUESPACE
+ * * bypass_area_restriction: Should we ignore SOFT atom and area TRAIT_NO_TELEPORT restriction and other area-related restrictions? Defaults to FALSE
+ * * teleport_mode: Teleport mode for religion/faction checks
+ */
+/proc/check_teleport(atom/movable/teleatom, turf/dest_turf, channel = TELEPORT_CHANNEL_BLUESPACE, bypass_area_restriction = FALSE, teleport_mode = TELEPORT_ALLOW_ALL)
+	var/turf/cur_turf = get_turf(teleatom)
+
+	if(!istype(dest_turf))
+		stack_trace("Destination [dest_turf] is not a turf.")
+		return FALSE
+	if(!istype(cur_turf) || dest_turf.is_transition_turf())
+		return FALSE
+
+	// Checks bluespace anchors
+	if(channel != TELEPORT_CHANNEL_WORMHOLE && channel != TELEPORT_CHANNEL_FREE)
+		var/cur_zlevel = cur_turf.get_virtual_z_level()
+		var/dest_zlevel = dest_turf.get_virtual_z_level()
+		for (var/obj/machinery/bluespace_anchor/anchor as() in GLOB.active_bluespace_anchors)
+			var/anchor_zlevel = anchor.get_virtual_z_level()
+			// Not in range of our current turf or destination turf
+			if((cur_zlevel != anchor_zlevel && get_dist(cur_turf, anchor) > anchor.range) && (dest_zlevel != anchor_zlevel && get_dist(dest_turf, anchor) > anchor.range))
+				continue
+
+			// Try to activate the anchor, this also does the effect
+			if(!anchor.try_activate())
+				continue
+
+			// We're anchored, return false
+			return FALSE
+
+	// Checks antimagic
+	if(ismob(teleatom))
+		var/mob/tele_mob = teleatom
+		if(channel == TELEPORT_CHANNEL_CULT && tele_mob.anti_magic_check(magic = FALSE, holy = TRUE, self = TRUE))
+			return FALSE
+		if(channel == TELEPORT_CHANNEL_MAGIC && tele_mob.anti_magic_check(magic = TRUE, holy = FALSE, self = TRUE))
+			return FALSE
+
+	// Check for NO_TELEPORT restrictions
+	if(!bypass_area_restriction)
+		var/area/cur_area = cur_turf.loc
+		var/area/dest_area = dest_turf.loc
+		if(HAS_TRAIT(teleatom, TRAIT_NO_TELEPORT))
+			return FALSE
+		if(cur_area.teleport_restriction && cur_area.teleport_restriction != teleport_mode)
+			return FALSE
+		if(dest_area.teleport_restriction && dest_area.teleport_restriction != teleport_mode)
+			return FALSE
+
+	// Check for intercepting the teleport
+	if(cur_turf.intercept_teleport(channel, cur_turf, dest_turf) == COMPONENT_BLOCK_TELEPORT)
+		return FALSE
+	if(dest_turf.intercept_teleport(channel, cur_turf, dest_turf) == COMPONENT_BLOCK_TELEPORT)
+		return FALSE
+	if(teleatom.intercept_teleport(channel, cur_turf, dest_turf) == COMPONENT_BLOCK_TELEPORT)
+		return FALSE
+
+	return TRUE
+
+/**
+ * Returns TRUE if the teleport has been successful
+ *
+ * Arguments:
+ * * teleatom: atom to teleport
+ * * destination: destination to teleport to
+ * * precision: teleport precision (0 is most precise, the default)
+ * * effectin: effect to show right before teleportation
+ * * asoundin: soundfile to play before teleportation
+ * * asoundout: soundfile to play after teleportation
+ * * no_effects: disable the default effectin/effectout of sparks
+ * * channel: Which teleport channel/type should we try to use (for blocking checks)
+ * * ignore_check_teleport: Set this to true ONLY if you have already run check_teleport
+ * * bypass_area_restriction: Should we ignore SOFT atom and area TRAIT_NO_TELEPORT restriction and other area-related restrictions? Defaults to FALSE
+ * * no_wake: Whether or not we want a teleport wake to be created
+ */
+/proc/do_teleport(atom/movable/teleatom, atom/destination, precision=null, datum/effect_system/effectin=null, datum/effect_system/effectout=null, asoundin=null, asoundout=null, no_effects=FALSE, channel=TELEPORT_CHANNEL_BLUESPACE, bypass_area_restriction = FALSE, teleport_mode = TELEPORT_ALLOW_ALL, ignore_check_teleport = FALSE, no_wake = FALSE)
 	// teleporting most effects just deletes them
 	var/static/list/delete_atoms = typecacheof(list(
 		/obj/effect,
@@ -23,22 +95,6 @@
 		qdel(teleatom)
 		return FALSE
 
-	//Check bluespace anchors
-	if(channel != TELEPORT_CHANNEL_WORMHOLE && channel != TELEPORT_CHANNEL_FREE)
-		for (var/obj/machinery/bluespace_anchor/anchor as() in GLOB.active_bluespace_anchors)
-			//Not nearby
-			if (anchor.get_virtual_z_level() != teleatom.get_virtual_z_level() || (get_dist(teleatom, anchor) > anchor.range && get_dist(destination, anchor) > anchor.range))
-				continue
-			//Check it
-			if(!anchor.try_activate())
-				continue
-			do_sparks(5, FALSE, teleatom)
-			playsound(anchor, 'sound/magic/repulse.ogg', 80, TRUE)
-			if(ismob(teleatom))
-				to_chat(teleatom, "<span class='warning'>You feel like you are being held in place.</span>")
-			//Anchored...
-			return FALSE
-
 	// argument handling
 	// if the precision is not specified, default to 0, but apply BoH penalties
 	if (isnull(precision))
@@ -48,8 +104,7 @@
 			if(istype(teleatom, /obj/item/storage/backpack/holding))
 				precision = rand(1,100)
 
-			var/static/list/bag_cache = typecacheof(/obj/item/storage/backpack/holding)
-			var/list/bagholding = typecache_filter_list(teleatom.GetAllContents(), bag_cache)
+			var/list/bagholding = teleatom.GetAllContents(/obj/item/storage/backpack/holding)
 			if(bagholding.len)
 				precision = max(rand(1,100)*bagholding.len,100)
 				if(isliving(teleatom))
@@ -69,34 +124,25 @@
 	var/turf/curturf = get_turf(teleatom)
 	var/turf/destturf = get_teleport_turf(get_turf(destination), precision)
 
-	if(!destturf || !curturf || destturf.is_transition_turf())
-		return FALSE
-
-	var/area/A = get_area(curturf)
-	var/area/B = get_area(destturf)
-	if(!forced && (HAS_TRAIT(teleatom, TRAIT_NO_TELEPORT)))
-		return FALSE
-
-	//Either area has teleport restriction and teleport mode isn't allowed in that area
-	if(!forced && ((A.teleport_restriction && A.teleport_restriction != teleport_mode) || (B.teleport_restriction && B.teleport_restriction != teleport_mode)))
-		return FALSE
-
-	if(SEND_SIGNAL(destturf, COMSIG_ATOM_INTERCEPT_TELEPORT, channel, curturf, destturf))
-		return FALSE
-
 	if(isobserver(teleatom))
 		teleatom.abstract_move(destturf)
 		return TRUE
 
-	if (!commit)
-		return TRUE
+	if(!ignore_check_teleport) // If we've already done it let's not check again
+		if(!check_teleport(teleatom, destturf, channel, bypass_area_restriction, teleport_mode))
+			return FALSE
 
 	// If we leave behind a wake, then create that here.
 	// Only leave a wake if we are going to a location that we can actually teleport to.
-	if (!no_wake && (channel == TELEPORT_CHANNEL_BLUESPACE || channel == TELEPORT_CHANNEL_CULT || channel == TELEPORT_CHANNEL_MAGIC) && A.teleport_restriction == TELEPORT_MODE_DEFAULT && B.teleport_restriction == TELEPORT_MODE_DEFAULT && teleport_mode == TELEPORT_MODE_DEFAULT)
-		new /obj/effect/temp_visual/teleportation_wake(get_turf(teleatom), destturf)
+	if (!no_wake && (channel == TELEPORT_CHANNEL_BLUESPACE || channel == TELEPORT_CHANNEL_CULT || channel == TELEPORT_CHANNEL_MAGIC))
+		var/area/cur_area = curturf.loc
+		var/area/dest_area = destturf.loc
+		if(cur_area.teleport_restriction == TELEPORT_ALLOW_ALL && dest_area.teleport_restriction == TELEPORT_ALLOW_ALL && teleport_mode == TELEPORT_ALLOW_ALL)
+			new /obj/effect/temp_visual/teleportation_wake(get_turf(teleatom), destturf)
 
 	tele_play_specials(teleatom, curturf, effectin, asoundin)
+
+	// Actually teleport them
 	var/success = teleatom.forceMove(destturf)
 	if (success)
 		log_game("[key_name(teleatom)] has teleported from [loc_name(curturf)] to [loc_name(destturf)]")
@@ -113,12 +159,13 @@
 	return TRUE
 
 /proc/tele_play_specials(atom/movable/teleatom, atom/location, datum/effect_system/effect, sound)
-	if (location && !isobserver(teleatom))
-		if (sound)
-			playsound(location, sound, 60, 1)
-		if (effect)
-			effect.attach(location)
-			effect.start()
+	if (!istype(location) || isobserver(teleatom))
+		return
+	if (sound)
+		playsound(location, sound, 60, 1)
+	if (effect)
+		effect.attach(location)
+		effect.start()
 
 // Safe location finder
 /proc/find_safe_turf(zlevel, list/zlevels, extended_safety_checks = FALSE, dense_atoms = TRUE)

code/game/area/areas/centcom.dm

@@ -125,7 +125,7 @@
 	dynamic_lighting = DYNAMIC_LIGHTING_ENABLED
 	requires_power = FALSE
 	has_gravity = STANDARD_GRAVITY
-	teleport_restriction = TELEPORT_ALLOW_NONE
+	teleport_restriction = TELEPORT_ALLOW_WIZARD
 	area_flags = VALID_TERRITORY | UNIQUE_AREA
 	flags_1 = NONE
 	network_root_id = "MAGIC_NET"

code/game/atoms.dm

@@ -1010,6 +1010,27 @@ CREATION_TEST_IGNORE_SUBTYPES(/atom)
 /atom/proc/teleport_act()
 	SEND_SIGNAL(src,COMSIG_ATOM_TELEPORT_ACT)
 
+/**
+ * Intercept our atom being teleported if we need to
+ *
+ * return COMPONENT_BLOCK_TELEPORT to explicity block teleportation
+ */
+/atom/proc/intercept_teleport(channel, turf/origin, turf/destination)
+	. = SEND_SIGNAL(src, COMSIG_ATOM_INTERCEPT_TELEPORT, channel, origin, destination)
+
+	if(. == COMPONENT_BLOCK_TELEPORT)
+		return
+
+	// Recursively check contents by default. This can be overriden if we want different behavior.
+	for(var/atom/thing in contents)
+		// For the purposes of intercepting teleports, mobs on the turf don't count.
+		// We're already doing logic for intercepting teleports on the teleatom-level
+		if(isturf(src) && ismob(thing))
+			continue
+		var/result = thing.intercept_teleport(channel, origin, destination)
+		if(result == COMPONENT_BLOCK_TELEPORT)
+			return result
+
 /**
   * Respond to our atom being checked by a virus extrapolator.
   *

code/game/objects/items/scrolls.dm

@@ -64,7 +64,7 @@
 		to_chat(user, "The spell matrix was unable to locate a suitable teleport destination for an unknown reason. Sorry.")
 		return
 
-	if(do_teleport(user, pick(L), channel = TELEPORT_CHANNEL_MAGIC, forced = TRUE))
+	if(do_teleport(user, pick(L), channel = TELEPORT_CHANNEL_MAGIC, bypass_area_restriction = TRUE))
 		smoke.start()
 		uses--
 	else

code/game/objects/items/teleportation.dm

@@ -200,13 +200,10 @@
 			qdel(target_effect)
 			qdel(source_effect)
 		return
-	var/area/A = get_area(teleport_target)
-	if(A.teleport_restriction)
-		to_chat(user, "<span class='notice'>\The [src] is malfunctioning.</span>")
-		return
 	current_location = get_turf(user)	//Recheck.
 	current_area = current_location.loc
-	if(!current_location || current_area.teleport_restriction || is_away_level(current_location.z) || is_centcom_level(current_location.z) || !isturf(user.loc))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
+	var/turf/dest_turf = get_teleport_turf(get_turf(teleport_target))
+	if(isnull(current_area) || !check_teleport(user, dest_turf, channel = TELEPORT_CHANNEL_BLUESPACE) || is_away_level(current_location.z) || is_centcom_level(current_location.z))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
 		to_chat(user, "<span class='notice'>\The [src] is malfunctioning.</span>")
 		return
 	var/list/obj/effect/portal/created = create_portal_pair(current_location, get_teleport_turf(get_turf(teleport_target)), src, 300, 1, null, atmos_link_override)
@@ -359,7 +356,7 @@
 
 		// Check if we can move here
 		current_area = current_location.loc
-		if(!do_teleport(C, current_location, no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, commit = FALSE))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
+		if(!check_teleport(C, current_location, channel = TELEPORT_CHANNEL_BLINK))//If turf was not found or they're on z level 2 or >7 which does not currently exist. or if user is not located on a turf
 			current_location = previous
 			break
 		// If it contains objects, try to break it

code/modules/antagonists/abductor/machinery/experiment.dm

@@ -178,7 +178,7 @@
 	H.uncuff()
 	H.cauterise_wounds()
 	if(console && console.pad && console.pad.teleport_target)
-		do_teleport(H, console.pad.teleport_target, channel = TELEPORT_CHANNEL_BLINK, no_effects = TRUE, teleport_mode = TELEPORT_MODE_ABDUCTORS)
+		do_teleport(H, console.pad.teleport_target, channel = TELEPORT_CHANNEL_BLINK, no_effects = TRUE, teleport_mode = TELEPORT_ALLOW_ABDUCTORS)
 		return
 	//Area not chosen / It's not safe area - teleport to arrivals
 	SSjob.SendToLateJoin(H, FALSE)

code/modules/antagonists/abductor/machinery/pad.dm

@@ -7,14 +7,14 @@
 
 /obj/machinery/abductor/pad/proc/Warp(mob/living/target)
 	if(!target.buckled)
-		do_teleport(target, get_turf(src), no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_MODE_ABDUCTORS)
+		do_teleport(target, get_turf(src), no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_ALLOW_ABDUCTORS)
 
 /obj/machinery/abductor/pad/proc/Send()
 	if(teleport_target == null)
 		teleport_target = GLOB.teleportlocs[pick(GLOB.teleportlocs)]
 	flick("alien-pad", src)
 	for(var/mob/living/target in loc)
-		do_teleport(target, teleport_target, no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_MODE_ABDUCTORS)
+		do_teleport(target, teleport_target, no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_ALLOW_ABDUCTORS)
 		new /obj/effect/temp_visual/dir_setting/ninja(get_turf(target), target.dir)
 		to_chat(target, "<span class='warning'>The instability of the warp leaves you disoriented!</span>")
 		target.SetSleeping(60)
@@ -33,7 +33,7 @@
 
 /obj/machinery/abductor/pad/proc/doMobToLoc(place, atom/movable/target)
 	flick("alien-pad", src)
-	do_teleport(target, place, no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_MODE_ABDUCTORS)
+	do_teleport(target, place, no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_ALLOW_ABDUCTORS)
 	new /obj/effect/temp_visual/dir_setting/ninja(get_turf(target), target.dir)
 
 /obj/machinery/abductor/pad/proc/MobToLoc(place,mob/living/target)
@@ -43,7 +43,7 @@
 /obj/machinery/abductor/pad/proc/doPadToLoc(place)
 	flick("alien-pad", src)
 	for(var/mob/living/target in get_turf(src))
-		do_teleport(target, place, no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_MODE_ABDUCTORS)
+		do_teleport(target, place, no_effects = TRUE, channel = TELEPORT_CHANNEL_BLINK, teleport_mode = TELEPORT_ALLOW_ABDUCTORS)
 		new /obj/effect/temp_visual/dir_setting/ninja(get_turf(target), target.dir)
 
 /obj/machinery/abductor/pad/proc/PadToLoc(place)

code/modules/antagonists/clock_cult/helpers/servant_warp.dm

@@ -10,10 +10,10 @@
 	playsound(target_location, 'sound/magic/magic_missile.ogg', 50, TRUE)
 	do_sparks(5, TRUE, servant)
 	do_sparks(5, TRUE, target_location)
-	do_teleport(M, target_location, channel = TELEPORT_CHANNEL_BLINK, no_effects = TRUE, teleport_mode = TELEPORT_MODE_CLOCKWORK)
+	do_teleport(M, target_location, channel = TELEPORT_CHANNEL_CULT, no_effects = TRUE, teleport_mode = TELEPORT_ALLOW_CLOCKWORK)
 	new /obj/effect/temp_visual/ratvar/warp(target_location)
 	to_chat(servant, "<span class='inathneq'>You warp to [get_area(target_location)].</span>")
 	if(istype(P) && bring_dragging)
-		do_teleport(P, target_location, channel = TELEPORT_CHANNEL_BLINK, no_effects = TRUE, teleport_mode = TELEPORT_MODE_CLOCKWORK)
+		do_teleport(P, target_location, channel = TELEPORT_CHANNEL_CULT, no_effects = TRUE, teleport_mode = TELEPORT_ALLOW_CLOCKWORK)
 		P.Paralyze(30)
 		to_chat(P, "<span class='warning'>You feel sick and confused...</span>")

code/modules/antagonists/clock_cult/structure/dimensional_rift.dm

@@ -29,7 +29,7 @@
 			if(do_after(M, 50, target=src))
 				var/obj/effect/landmark/city_of_cogs/target_spawn = pick(GLOB.city_of_cogs_spawns)
 				var/turf/T = get_turf(target_spawn)
-				do_teleport(M, T, no_effects = TRUE, channel = TELEPORT_CHANNEL_FREE, forced = TRUE)
+				do_teleport(M, T, no_effects = TRUE, channel = TELEPORT_CHANNEL_FREE, bypass_area_restriction = TRUE)
 				var/mob/living/M_mob = M
 				if(istype(M_mob))
 					if(M_mob.client)
@@ -43,4 +43,4 @@
 			//So we can push crates in too
 			var/obj/effect/landmark/city_of_cogs/target_spawn = pick(GLOB.city_of_cogs_spawns)
 			var/turf/T = get_turf(target_spawn)
-			do_teleport(M, T, no_effects = TRUE, channel = TELEPORT_CHANNEL_FREE, forced = TRUE)
+			do_teleport(M, T, no_effects = TRUE, channel = TELEPORT_CHANNEL_FREE, bypass_area_restriction = TRUE)

code/modules/antagonists/cult/runes.dm

@@ -466,7 +466,7 @@ CREATION_TEST_IGNORE_SUBTYPES(/obj/effect/rune/teleport)
 			visible_message("<span class='warning'>There is a sharp crack of inrushing air, and everything above the rune disappears!</span>", null, "<i>You hear a sharp crack.</i>")
 			to_chat(user, "<span class='cult'>You[moveuserlater ? "r vision blurs, and you suddenly appear somewhere else":" send everything above the rune away"].</span>")
 		else
-			to_chat(user, "<span class='cult'>You[moveuserlater ? "r vision blurs briefly, but nothing happens":"  try send everything above the rune away, but the teleportation fails"].</span>")
+			to_chat(user, "<span class='cult'>You[moveuserlater ? "r vision blurs briefly, but nothing happens":" try send everything above the rune away, but the teleportation fails"].</span>")
 		if(is_mining_level(z) && !is_mining_level(target.z)) //No effect if you stay on lavaland
 			actual_selected_rune.handle_portal("lava")
 		else

code/modules/antagonists/heretic/knowledge/sacrifice_knowledge/sacrifice_knowledge.dm

@@ -265,7 +265,7 @@
 		return
 
 	// Send 'em to the destination. If the teleport fails, just disembowel them and stop the chain
-	if(!destination || !do_teleport(sac_target, destination, asoundin = 'sound/magic/repulse.ogg', asoundout = 'sound/magic/blind.ogg', no_effects = TRUE, channel = TELEPORT_CHANNEL_MAGIC, forced = TRUE, no_wake = TRUE))
+	if(!destination || !do_teleport(sac_target, destination, asoundin = 'sound/magic/repulse.ogg', asoundout = 'sound/magic/blind.ogg', no_effects = TRUE, channel = TELEPORT_CHANNEL_MAGIC, bypass_area_restriction = TRUE, no_wake = TRUE))
 		disembowel_target(sac_target)
 		return
 
@@ -374,7 +374,7 @@
 		safe_turf = get_turf(backup_loc)
 		stack_trace("[type] - return_target was unable to find a safe turf for [sac_target] to return to. Defaulting to observer start turf.")
 
-	if(!do_teleport(sac_target, safe_turf, asoundout = 'sound/magic/blind.ogg', no_effects = TRUE, channel = TELEPORT_CHANNEL_FREE, forced = TRUE, no_wake = TRUE))
+	if(!do_teleport(sac_target, safe_turf, asoundout = 'sound/magic/blind.ogg', no_effects = TRUE, channel = TELEPORT_CHANNEL_FREE, bypass_area_restriction = TRUE, no_wake = TRUE))
 		safe_turf = get_turf(backup_loc)
 		sac_target.forceMove(safe_turf)
 		stack_trace("[type] - return_target was unable to teleport [sac_target] to the observer start turf. Forcemoving.")