Field of Vision component. (#12075)

* Hopeless WIP for vision cones.

* Core component and hooks done

* Removing clutter.

* linter bashing me for using statements as args.

* Ok.

* continue

* bring back the macro

* Configs and openspace filter.

* Chat plane, reset perspective signal, mechs/vehicles cases, machineries.

* view, viewers and spoopy ghosts.

* Renamed component, admin fun button and snowflakes robots.

* Whoopsie.

* Yikes

* test merge tweak.

* radial yaketi sax.

* Fixed tgui UIs, some messages not displayed to the target.

* Documentation and a little bugfix.

* Pulling QoL, seventh plane made in this PR.

* Fix.

* Tweaks and improvements.

* Update randomverbs.dm

code/game/atoms.dm

@@ -927,14 +927,14 @@ Proc for attack log creation, because really why not
 		target.log_message(reverse_message, LOG_ATTACK, color="orange", log_globally=FALSE)
 
 // Filter stuff
-/atom/movable/proc/add_filter(name,priority,list/params)
+/atom/proc/add_filter(name,priority,list/params)
 	LAZYINITLIST(filter_data)
 	var/list/p = params.Copy()
 	p["priority"] = priority
 	filter_data[name] = p
 	update_filters()
 
-/atom/movable/proc/update_filters()
+/atom/proc/update_filters()
 	filters = null
 	filter_data = sortTim(filter_data, /proc/cmp_filter_data_priority, TRUE)
 	for(var/f in filter_data)
@@ -943,11 +943,11 @@ Proc for attack log creation, because really why not
 		arguments -= "priority"
 		filters += filter(arglist(arguments))
 
-/atom/movable/proc/get_filter(name)
+/atom/proc/get_filter(name)
 	if(filter_data && filter_data[name])
 		return filters[filter_data.Find(name)]
 
-/atom/movable/proc/remove_filter(name)
+/atom/proc/remove_filter(name)
 	if(filter_data && filter_data[name])
 		filter_data -= name
 		update_filters()

code/game/atoms_movable.dm

@@ -179,14 +179,15 @@
 	return TRUE
 
 /atom/movable/proc/stop_pulling()
-	if(pulling)
-		pulling.pulledby = null
-		var/mob/living/ex_pulled = pulling
-		pulling = null
-		setGrabState(0)
-		if(isliving(ex_pulled))
-			var/mob/living/L = ex_pulled
-			L.update_mobility()// mob gets up if it was lyng down in a chokehold
+	if(!pulling)
+		return
+	pulling.pulledby = null
+	var/mob/living/ex_pulled = pulling
+	pulling = null
+	setGrabState(0)
+	if(isliving(ex_pulled))
+		var/mob/living/L = ex_pulled
+		L.update_mobility()// mob gets up if it was lyng down in a chokehold
 
 /atom/movable/proc/Move_Pulled(atom/A)
 	if(!pulling)

code/game/machinery/Sleeper.dm

@@ -37,6 +37,11 @@
 	reset_chem_buttons()
 	RefreshParts()
 	add_inital_chems()
+	new_occupant_dir = dir
+
+/obj/machinery/sleeper/setDir(newdir)
+	. = ..()
+	new_occupant_dir = dir
 
 /obj/machinery/sleeper/on_deconstruction()
 	var/obj/item/reagent_containers/sleeper_buffer/buffer = new (loc)

code/game/machinery/_machinery.dm

@@ -110,7 +110,8 @@ Class Procs:
 	var/state_open = FALSE
 	var/critical_machine = FALSE //If this machine is critical to station operation and should have the area be excempted from power failures.
 	var/list/occupant_typecache //if set, turned into typecache in Initialize, other wise, defaults to mob/living typecache
-	var/atom/movable/occupant = null
+	var/atom/movable/occupant
+	var/new_occupant_dir = SOUTH //The direction the occupant will be set to look at when entering the machine.
 	var/speed_process = FALSE // Process as fast as possible?
 	var/obj/item/circuitboard/circuit // Circuit to be created and inserted when the machinery is created
 		// For storing and overriding ui id and dimensions
@@ -217,6 +218,7 @@ Class Procs:
 	if(target && !target.has_buckled_mobs() && (!isliving(target) || !mobtarget.buckled))
 		occupant = target
 		target.forceMove(src)
+		target.setDir(new_occupant_dir)
 	updateUsrDialog()
 	update_icon()
 

code/game/machinery/buttons.dm

@@ -3,6 +3,7 @@
 	desc = "A remote control switch."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "doorctrl"
+	plane = ABOVE_WALL_PLANE
 	var/skin = "doorctrl"
 	power_channel = ENVIRON
 	var/obj/item/assembly/device

code/game/machinery/computer/camera.dm

@@ -169,6 +169,7 @@
 	desc = "Used for watching an empty arena."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "telescreen"
+	plane = ABOVE_WALL_PLANE
 	network = list("thunder")
 	density = FALSE
 	circuit = null

code/game/machinery/doors/airlock.dm

@@ -470,15 +470,15 @@
 			if(welded)
 				weld_overlay = get_airlock_overlay("welded", overlays_file)
 			if(obj_integrity < integrity_failure * max_integrity)
-				damag_overlay = get_airlock_overlay("sparks_broken", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				damag_overlay = get_airlock_overlay("sparks_broken", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			else if(obj_integrity < (0.75 * max_integrity))
-				damag_overlay = get_airlock_overlay("sparks_damaged", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				damag_overlay = get_airlock_overlay("sparks_damaged", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(lights && hasPower())
 
 				if(locked)
-					lights_overlay = get_airlock_overlay("lights_bolts", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+					lights_overlay = get_airlock_overlay("lights_bolts", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 				else if(emergency)
-					lights_overlay = get_airlock_overlay("lights_emergency", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+					lights_overlay = get_airlock_overlay("lights_emergency", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(note)
 				note_overlay = get_airlock_overlay(notetype, note_overlay_file)
 
@@ -496,18 +496,18 @@
 				else
 					panel_overlay = get_airlock_overlay("panel_closed", overlays_file)
 			if(obj_integrity < integrity_failure * max_integrity)
-				damag_overlay = get_airlock_overlay("sparks_broken", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				damag_overlay = get_airlock_overlay("sparks_broken", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			else if(obj_integrity < (0.75 * max_integrity))
-				damag_overlay = get_airlock_overlay("sparks_damaged", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				damag_overlay = get_airlock_overlay("sparks_damaged", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(welded)
 				weld_overlay = get_airlock_overlay("welded", overlays_file)
-			lights_overlay = get_airlock_overlay("lights_denied", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+			lights_overlay = get_airlock_overlay("lights_denied", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(note)
 				note_overlay = get_airlock_overlay(notetype, note_overlay_file)
 
 		if(AIRLOCK_EMAG)
 			frame_overlay = get_airlock_overlay("closed", icon)
-			sparks_overlay = get_airlock_overlay("sparks", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+			sparks_overlay = get_airlock_overlay("sparks", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(airlock_material)
 				filling_overlay = get_airlock_overlay("[airlock_material]_closed", overlays_file)
 			else
@@ -518,9 +518,9 @@
 				else
 					panel_overlay = get_airlock_overlay("panel_closed", overlays_file)
 			if(obj_integrity < integrity_failure * max_integrity)
-				damag_overlay = get_airlock_overlay("sparks_broken", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				damag_overlay = get_airlock_overlay("sparks_broken", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			else if(obj_integrity < (0.75 * max_integrity))
-				damag_overlay = get_airlock_overlay("sparks_damaged", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				damag_overlay = get_airlock_overlay("sparks_damaged", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(welded)
 				weld_overlay = get_airlock_overlay("welded", overlays_file)
 			if(note)
@@ -533,7 +533,7 @@
 			else
 				filling_overlay = get_airlock_overlay("fill_closing", icon)
 			if(lights && hasPower())
-				lights_overlay = get_airlock_overlay("lights_closing", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				lights_overlay = get_airlock_overlay("lights_closing", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(panel_open)
 				if(security_level)
 					panel_overlay = get_airlock_overlay("panel_closing_protected", overlays_file)
@@ -554,7 +554,7 @@
 				else
 					panel_overlay = get_airlock_overlay("panel_open", overlays_file)
 			if(obj_integrity < (0.75 * max_integrity))
-				damag_overlay = get_airlock_overlay("sparks_open", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				damag_overlay = get_airlock_overlay("sparks_open", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(note)
 				note_overlay = get_airlock_overlay("[notetype]_open", note_overlay_file)
 
@@ -565,7 +565,7 @@
 			else
 				filling_overlay = get_airlock_overlay("fill_opening", icon)
 			if(lights && hasPower())
-				lights_overlay = get_airlock_overlay("lights_opening", overlays_file, ABOVE_LIGHTING_LAYER, ABOVE_LIGHTING_PLANE)
+				lights_overlay = get_airlock_overlay("lights_opening", overlays_file, EMISSIVE_UNBLOCKABLE_LAYER, EMISSIVE_UNBLOCKABLE_PLANE)
 			if(panel_open)
 				if(security_level)
 					panel_overlay = get_airlock_overlay("panel_opening_protected", overlays_file)

code/game/machinery/doors/brigdoors.dm

@@ -21,6 +21,7 @@
 	icon = 'icons/obj/status_display.dmi'
 	icon_state = "frame"
 	desc = "A remote control for a door."
+	plane = ABOVE_WALL_PLANE
 	req_access = list(ACCESS_SECURITY)
 	density = FALSE
 	var/id			// id of linked machinery/lockers

code/game/machinery/embedded_controller/simple_vent_controller.dm

@@ -34,7 +34,7 @@
 /obj/machinery/embedded_controller/radio/simple_vent_controller
 	icon = 'icons/obj/airlock_machines.dmi'
 	icon_state = "airlock_control_standby"
-
+	plane = ABOVE_WALL_PLANE
 	name = "vent controller"
 	density = FALSE
 

code/game/machinery/firealarm.dm

@@ -17,6 +17,7 @@
 	desc = "<i>\"Pull this in case of emergency\"</i>. Thus, keep pulling it forever."
 	icon = 'icons/obj/monitors.dmi'
 	icon_state = "fire0"
+	plane = ABOVE_WALL_PLANE
 	max_integrity = 250
 	integrity_failure = 0.4
 	armor = list("melee" = 0, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 100, "rad" = 100, "fire" = 90, "acid" = 30)

code/game/machinery/flasher.dm

@@ -5,6 +5,7 @@
 	desc = "A wall-mounted flashbulb device."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "mflash1"
+	plane = ABOVE_WALL_PLANE
 	max_integrity = 250
 	integrity_failure = 0.4
 	light_color = LIGHT_COLOR_WHITE
@@ -20,6 +21,7 @@
 	name = "portable flasher"
 	desc = "A portable flashing device. Wrench to activate and deactivate. Cannot detect slow movements."
 	icon_state = "pflash1-p"
+	plane = GAME_PLANE
 	strength = 80
 	anchored = FALSE
 	base_state = "pflash"

code/game/machinery/harvester.dm

@@ -20,6 +20,11 @@
 	. = ..()
 	if(prob(1))
 		name = "auto-autopsy"
+	new_occupant_dir = dir
+
+/obj/machinery/harvester/setDir(newdir)
+	. = ..()
+	new_occupant_dir = dir
 
 /obj/machinery/harvester/RefreshParts()
 	interval = 0

code/game/machinery/lightswitch.dm

@@ -5,6 +5,7 @@
 	name = "light switch"
 	icon = 'icons/obj/power.dmi'
 	icon_state = "light1"
+	plane = ABOVE_WALL_PLANE
 	desc = "Make dark."
 	var/on = TRUE
 	var/area/area = null

code/game/machinery/requests_console.dm

@@ -16,6 +16,7 @@ GLOBAL_LIST_EMPTY(allConsoles)
 	desc = "A console intended to send requests to different departments on the station."
 	icon = 'icons/obj/terminals.dmi'
 	icon_state = "req_comp0"
+	plane = ABOVE_WALL_PLANE
 	var/department = "Unknown" //The list of all departments on the station (Determined from this variable on each unit) Set this to the same thing if you want several consoles in one department
 	var/list/messages = list() //List of all messages
 	var/departmentType = 0

code/game/machinery/status_display.dm

@@ -21,6 +21,7 @@
 	desc = null
 	icon = 'icons/obj/status_display.dmi'
 	icon_state = "frame"
+	plane = ABOVE_WALL_PLANE
 	density = FALSE
 	use_power = IDLE_POWER_USE
 	idle_power_usage = 10

code/game/mecha/mecha.dm

@@ -23,11 +23,11 @@
 	layer = BELOW_MOB_LAYER//icon draw layer
 	infra_luminosity = 15 //byond implementation is bugged.
 	force = 5
-	flags_1 = HEAR_1
+	flags_1 = HEAR_1|BLOCK_FACE_ATOM_1
 	var/can_move = 0 //time of next allowed movement
-	var/mob/living/carbon/occupant = null
+	var/mob/living/occupant = null
 	var/step_in = 10 //make a step in step_in/10 sec.
-	var/dir_in = 2//What direction will the mech face when entered/powered on? Defaults to South.
+	var/dir_in = SOUTH //What direction will the mech face when entered/powered on? Defaults to South.
 	var/normal_step_energy_drain = 10 //How much energy the mech will consume each time it moves. This variable is a backup for when leg actuators affect the energy drain.
 	var/step_energy_drain = 10
 	var/melee_energy_drain = 15
@@ -495,6 +495,10 @@
 		occupant_message("<span class='warning'>Air port connection teared off!</span>")
 		mecha_log_message("Lost connection to gas port.")
 
+/obj/mecha/setDir(newdir)
+	. = ..()
+	occupant?.setDir(newdir)
+
 /obj/mecha/Process_Spacemove(var/movement_dir = 0)
 	. = ..()
 	if(.)

code/game/mecha/mecha_topic.dm

@@ -333,10 +333,13 @@
 		send_byjax(occupant,"exosuit.browser","t_port_connection","[internal_tank.connected_port?"Disconnect from":"Connect to"] gas port")
 
 	if(href_list["dna_lock"])
-		if(occupant && !iscarbon(occupant))
-			to_chat(occupant, "<span class='danger'> You do not have any DNA!</span>")
+		if(!occupant)
 			return
-		dna_lock = occupant.dna.unique_enzymes
+		var/mob/living/carbon/C = occupant
+		if(!istype(C) || !C.dna)
+			to_chat(C, "<span class='danger'> You do not have any DNA!</span>")
+			return
+		dna_lock = C.dna.unique_enzymes
 		occupant_message("You feel a prick as the needle takes your DNA sample.")
 
 	if(href_list["reset_dna"])

code/game/objects/effects/contraband.dm

@@ -49,6 +49,7 @@
 	var/original_name
 	desc = "A large piece of space-resistant printed paper."
 	icon = 'icons/obj/contraband.dmi'
+	plane = ABOVE_WALL_PLANE
 	anchored = TRUE
 	var/ruined = FALSE
 	var/random_basetype

code/game/objects/items/RCD.dm

@@ -143,8 +143,8 @@ RLD
 	//if user can't be seen from A (only checks surroundings' opaqueness) and can't see A.
 	//jarring, but it should stop people from targetting atoms they can't see...
 	//excluding darkness, to allow RLD to be used to light pitch black dark areas.
-	if(!((user in view(view_range, A)) || (user in viewers(view_range, A))))
-		to_chat(user, "<span class='warning'>You focus, pointing \the [src] at whatever outside your field of vision in the given direction... to no avail.</span>")
+	if(!((user in view(view_range, A)) || (user in get_actual_viewers(view_range, A))))
+		to_chat(user, "<span class='warning'>You focus, pointing \the [src] at whatever outside your field of vision in that direction... to no avail.</span>")
 		return FALSE
 	return TRUE
 

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

@@ -135,7 +135,8 @@
 			outmsg = "<span class='warning'>You miss the lens of [C] with [src]!</span>"
 
 	//catpeople
-	for(var/mob/living/carbon/human/H in view(1,targloc))
+	var/list/viewers = get_actual_viewers(1,targloc)
+	for(var/mob/living/carbon/human/H in viewers)
 		if(!iscatperson(H) || H.incapacitated() || H.eye_blind )
 			continue
 		if(!H.lying)
@@ -150,7 +151,7 @@
 			H.visible_message("<span class='notice'>[H] stares at the light</span>","<span class = 'warning'> You stare at the light... </span>")
 
 	//cats!
-	for(var/mob/living/simple_animal/pet/cat/C in view(1,targloc))
+	for(var/mob/living/simple_animal/pet/cat/C in viewers)
 		if(prob(50))
 			C.visible_message("<span class='notice'>[C] pounces on the light!</span>","<span class='warning'>LIGHT!</span>")
 			C.Move(targloc)

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

@@ -2,6 +2,7 @@
 	name = "station intercom"
 	desc = "Talk through this."
 	icon_state = "intercom"
+	plane = ABOVE_WALL_PLANE
 	anchored = TRUE
 	w_class = WEIGHT_CLASS_BULKY
 	canhear_range = 2

code/game/objects/items/flamethrower.dm

@@ -196,9 +196,8 @@
 		sleep(1)
 		previousturf = T
 	operating = FALSE
-	for(var/mob/M in viewers(1, loc))
-		if((M.client && M.machine == src))
-			attack_self(M)
+	if(usr.machine == src)
+		attack_self(usr)
 
 
 /obj/item/flamethrower/proc/default_ignite(turf/target, release_amount = 0.05)

code/game/objects/items/implants/implantpad.dm

@@ -66,7 +66,7 @@
 		if(ismob(loc))
 			attack_self(loc)
 		else
-			for(var/mob/M in viewers(1, src))
+			for(var/mob/M in get_actual_viewers(1, src))
 				if(M.client)
 					attack_self(M)
 		add_fingerprint(usr)

code/game/objects/items/storage/secure.dm

@@ -105,10 +105,7 @@
 				if (length(code) > 5)
 					code = "ERROR"
 		add_fingerprint(usr)
-		for(var/mob/M in viewers(1, loc))
-			if ((M.client && M.machine == src))
-				attack_self(M)
-			return
+		attack_self(usr)
 	return
 
 
@@ -158,6 +155,7 @@
 /obj/item/storage/secure/safe
 	name = "secure safe"
 	icon = 'icons/obj/storage.dmi'
+	plane = ABOVE_WALL_PLANE
 	icon_state = "safe"
 	icon_opened = "safe0"
 	icon_locking = "safeb"

code/game/objects/items/teleportation.dm

@@ -104,7 +104,7 @@
 		if (ismob(src.loc))
 			attack_self(src.loc)
 		else
-			for(var/mob/M in viewers(1, src))
+			for(var/mob/M in get_actual_viewers(1, src))
 				if (M.client)
 					src.attack_self(M)
 	return

code/game/objects/objs.dm

@@ -123,7 +123,7 @@
 /obj/proc/updateUsrDialog()
 	if((obj_flags & IN_USE) && !(obj_flags & USES_TGUI))
 		var/is_in_use = FALSE
-		var/list/nearby = viewers(1, src)
+		var/list/nearby = get_actual_viewers(1, src)
 		for(var/mob/M in nearby)
 			if ((M.client && M.machine == src))
 				is_in_use = TRUE
@@ -152,7 +152,7 @@
 	if(obj_flags & IN_USE)
 		var/is_in_use = FALSE
 		if(update_viewers)
-			for(var/mob/M in viewers(1, src))
+			for(var/mob/M in get_actual_viewers(1, src))
 				if ((M.client && M.machine == src))
 					is_in_use = TRUE
 					src.interact(M)

code/game/objects/structures/crates_lockers/closets/cardboardbox.dm

@@ -24,6 +24,7 @@
 	move_delay = TRUE
 	var/oldloc = loc
 	step(src, direction)
+	user.setDir(direction)
 	if(oldloc != loc)
 		addtimer(CALLBACK(src, .proc/ResetMoveDelay), (use_mob_movespeed ? user.movement_delay() : CONFIG_GET(number/movedelay/walk_delay)) * move_speed_multiplier)
 	else
@@ -42,7 +43,7 @@
 			Snake = L
 			break
 		if(Snake)
-			alerted = viewers(7,src)
+			alerted = get_actual_viewers(world.view,src)
 	..()
 	if(LAZYLEN(alerted))
 		egged = world.time + SNAKE_SPAM_TICKS

code/game/objects/structures/extinguisher.dm

@@ -3,6 +3,7 @@
 	desc = "A small wall mounted cabinet designed to hold a fire extinguisher."
 	icon = 'icons/obj/wallmounts.dmi'
 	icon_state = "extinguisher_closed"
+	plane = ABOVE_WALL_PLANE
 	anchored = TRUE
 	density = FALSE
 	max_integrity = 200

code/game/objects/structures/false_walls.dm

@@ -7,6 +7,7 @@
 	anchored = TRUE
 	icon = 'icons/turf/walls/wall.dmi'
 	icon_state = "wall"
+	plane = WALL_PLANE
 	layer = LOW_OBJ_LAYER
 	density = TRUE
 	opacity = 1

code/game/objects/structures/fireaxe.dm

@@ -3,6 +3,7 @@
 	desc = "There is a small label that reads \"For Emergency use only\" along with details for safe use of the axe. As if."
 	icon = 'icons/obj/wallmounts.dmi'
 	icon_state = "fireaxe"
+	plane = ABOVE_WALL_PLANE
 	anchored = TRUE
 	density = FALSE
 	armor = list("melee" = 50, "bullet" = 20, "laser" = 0, "energy" = 100, "bomb" = 10, "bio" = 100, "rad" = 100, "fire" = 90, "acid" = 50)

code/game/objects/structures/guillotine.dm

@@ -130,7 +130,7 @@
 			// The crowd is pleased
 			// The delay is to making large crowds have a longer laster applause
 			var/delay_offset = 0
-			for(var/mob/M in viewers(src, 7))
+			for(var/mob/M in get_actual_viewers(world.view, src))
 				var/mob/living/carbon/human/C = M
 				if (ishuman(M))
 					addtimer(CALLBACK(C, /mob/.proc/emote, "clap"), delay_offset * 0.3)

code/game/objects/structures/mirror.dm

@@ -4,6 +4,7 @@
 	desc = "Mirror mirror on the wall, who's the most robust of them all?"
 	icon = 'icons/obj/watercloset.dmi'
 	icon_state = "mirror"
+	plane = ABOVE_WALL_PLANE
 	density = FALSE
 	anchored = TRUE
 	max_integrity = 200

code/game/objects/structures/noticeboard.dm

@@ -3,6 +3,7 @@
 	desc = "A board for pinning important notices upon."
 	icon = 'icons/obj/stationobjs.dmi'
 	icon_state = "nboard00"
+	plane = ABOVE_WALL_PLANE
 	density = FALSE
 	anchored = TRUE
 	max_integrity = 150

code/game/objects/structures/signs/_signs.dm

@@ -3,6 +3,7 @@
 	anchored = TRUE
 	opacity = 0
 	density = FALSE
+	plane = ABOVE_WALL_PLANE
 	layer = SIGN_LAYER
 	max_integrity = 100
 	armor = list("melee" = 50, "bullet" = 0, "laser" = 0, "energy" = 0, "bomb" = 0, "bio" = 0, "rad" = 0, "fire" = 50, "acid" = 50)

code/game/turfs/closed.dm

@@ -1,5 +1,6 @@
 /turf/closed
 	layer = CLOSED_TURF_LAYER
+	plane = WALL_PLANE
 	opacity = 1
 	density = TRUE
 	blocks_air = 1