Fixing client eye (#18577)

* signal foundation

* reset_perspective implemented

* you too

* setting mob

* no

* fix

* tweak

* remote view element

* these too

* use element

* cleanup more manual code

* fix element

* mutation signal

* handle being dropped from holders, and fix pai hud

* handle qdel

* it's a component now

* ugly holder fix

* another fix

* follow view target

* item remote view

* doc update

* unneeded

* this needs a recode to work better

* many fixes

* these are all unneeded

* almost working viewerlist remotes

* this uses component too

* this needs to die to it's item

* don't allow spamming tgui menus

* tg style args

* fixing behaviors

* fuk

* working view release from holders

* only final matters

* comment order and disposal fix

* cryotube loc fix

* no mob should reset its view every life tick

* major improvements

* still forbid z level change even if we allow moving

* this too

* don't doubledip

* qdel on self is unneeded

* wipe remote views on logout

* vore bellies need to manually clear views

* fixAI hud

* belly release fixes

* cannot use binoculars in a vore belly

* pai card can be picked up and dropped correctly

* ventcrawl fix and distracted fix

* this is better

* forcemove

* vr console fix

* use flag for this

* belly stuff

* various cleanups

* oops

* fixes statue spell

* unneeded perspective clear

* automatic instead

* continued cleanup

* that was dumb

* needed

* none of this works

* are these even needed

* lets lock down to these

* lets try to make this work

* extremely close to working

* needs to solve final pai issues

* mob eye change signal

* Revert "mob eye change signal"

This reverts commit eedd5da934.

* significant progress

* safety

* expected to be not null

* likely not needed

* don't spam component changes

* endview on logout

* accessors

* egg fixing

* Revert "egg fixing"

This reverts commit 6a54049c69.

* getting closer

* even closer

* needs type

* close...

* extremely close to working

* fixing pai stuff

* this too

* promising fixes

* docs

* this is recursive move's responsibility tbh

* unneeded now

* oops

* better decouple

* topmost check

* cleanup

* holder released from egg fix

* pai fix for reset view

* debug info

* some better pai ejection code

* better way

* unneeded

* needs to be null

* better vision restore

* use correct handling

* no longer needed

* required

* handle decouple on mecha too

* name clarity

* do not allow double dipping zoom items

* ethereal jaunt needs a full cleanup later

* fix blackscreen flicker

* remove set machine from pda

* Update code/game/objects/items.dm

* Update code/game/objects/items.dm

* Update code/game/objects/items.dm

* Update code/game/objects/items.dm

---------

Co-authored-by: Cameron Lennox <killer65311@gmail.com>

code/defines/obj/weapon.dm

@@ -216,6 +216,9 @@
 	throw_range = 20
 
 /obj/item/camera_bug/attack_self(mob/user as mob)
+	if(in_use)
+		return
+
 	var/list/cameras = new/list()
 	for (var/obj/machinery/camera/C in cameranet.cameras)
 		if (C.bugged && C.status)
@@ -229,7 +232,10 @@
 	for (var/obj/machinery/camera/C in cameras)
 		friendly_cameras.Add(C.c_tag)
 
+	in_use = TRUE
 	var/target = tgui_input_list(user, "Select the camera to observe", "Select Camera", friendly_cameras)
+	in_use = FALSE
+
 	if (!target)
 		return
 	for (var/obj/machinery/camera/C in cameras)
@@ -238,7 +244,7 @@
 			break
 	if (user.stat == 2) return
 
-	user.client.eye = target
+	user.AddComponent(/datum/component/remote_view/item_zoom, focused_on = target, our_item = src, viewsize = null, tileoffset = 0, show_visible_messages = FALSE)
 
 /*
 /obj/item/cigarpacket