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/modules/admin/admin_verbs.dm

@@ -106,6 +106,7 @@ GLOBAL_LIST_INIT(admin_verbs_fun, list(
 	/client/proc/show_tip,
 	/client/proc/smite,
 	/client/proc/admin_away,
+	/client/proc/cmd_admin_toggle_fov,
 	/client/proc/roll_dices					//CIT CHANGE - Adds dice verb
 	))
 GLOBAL_PROTECT(admin_verbs_fun)

code/modules/admin/verbs/randomverbs.dm

@@ -1218,6 +1218,58 @@ GLOBAL_LIST_EMPTY(custom_outfits) //Admin created outfits
 
 	SSblackbox.record_feedback("nested tally", "admin_toggle", 1, list("Toggled Hub Visibility", "[GLOB.hub_visibility ? "Enabled" : "Disabled"]")) //If you are copy-pasting this, ensure the 2nd parameter is unique to the new proc!
 
+/client/proc/cmd_admin_toggle_fov()
+	set category = "Fun"
+	set name = "Enable/Disable Field of Vision"
+
+	var/static/busy_toggling_fov = FALSE
+	if(!check_rights(R_ADMIN) || !check_rights(R_FUN))
+		return
+
+	var/on_off = CONFIG_GET(flag/use_field_of_vision)
+
+	if(busy_toggling_fov)
+		to_chat(usr, "<span class='warning'>A previous call of this function is still busy toggling FoV [on_off ? "on" : "off"]. Have some patiece</span>.")
+		return
+	busy_toggling_fov = TRUE
+
+	log_admin("[key_name(usr)] has [on_off ? "disabled" : "enabled"] the Field of Vision configuration.")
+	CONFIG_SET(flag/use_field_of_vision, !on_off)
+
+	SSblackbox.record_feedback("nested tally", "admin_toggle", 1, list("Toggled Field of Vision", "[on_off ? "Enabled" : "Disabled"]"))
+
+	if(on_off)
+		for(var/k in GLOB.mob_list)
+			if(!k)
+				continue
+			var/mob/M = k
+			if(ishuman(M))
+				var/mob/living/carbon/human/H = M
+				if(!(H.dna?.species.has_field_of_vision))
+					continue
+			else if(!M.has_field_of_vision)
+				continue
+			var/datum/component/field_of_vision/FoV = M.GetComponent(/datum/component/field_of_vision)
+			if(FoV)
+				qdel(FoV)
+			CHECK_TICK
+	else
+		for(var/k in GLOB.clients)
+			if(!k)
+				continue
+			var/client/C = k
+			var/mob/M = C.mob
+			if(ishuman(M))
+				var/mob/living/carbon/human/H = M
+				if(!(H.dna?.species.has_field_of_vision))
+					continue
+			else if(!M.has_field_of_vision)
+				continue
+			M.LoadComponent(/datum/component/field_of_vision, M.field_of_vision_type)
+			CHECK_TICK
+
+	busy_toggling_fov = FALSE
+
 /client/proc/smite(mob/living/carbon/human/target as mob)
 	set name = "Smite"
 	set category = "Fun"