mass ports like 15 tg prs + counting (#13386)

* changes

* ok

* changes

* sigh

* fixes

* changes

* fix

* fix

* alright

* fixes
git pus

* fix

* fix

* fix

* test

* ok

* Update code/modules/paperwork/ticketmachine.dm

Co-authored-by: Letter N <24603524+LetterN@users.noreply.github.com>

* ok

* compile and other stuff

* ok

* fix

* fix

* Fix

* Update menu.dm

* Update view.dm

* Update preferences.dm

Co-authored-by: Letter N <24603524+LetterN@users.noreply.github.com>
Co-authored-by: Putnam3145 <putnam3145@gmail.com>

code/modules/client/client_defines.dm

@@ -126,9 +126,8 @@
 
 	/// Messages currently seen by this client
 	var/list/seen_messages
-
-	/// datum wrapper for client view
-	var/datum/view_data/view_size
+	/// viewsize datum for holding our view size
+	var/datum/viewData/view_size
 
 	/// our current tab
 	var/stat_tab
@@ -162,6 +161,14 @@
 	var/parallax_layers_max = 3
 	var/parallax_animate_timer
 
+	/**
+	 * Assoc list with all the active maps - when a screen obj is added to
+	 * a map, it's put in here as well.
+	 *
+	 * Format: list(<mapname> = list(/obj/screen))
+	 */
+	var/list/screen_maps = list()
+
 	// List of all asset filenames sent to this client by the asset cache, along with their assoicated md5s
 	var/list/sent_assets = list()
 	/// List of all completed blocking send jobs awaiting acknowledgement by send_asset