Datum view and some other things (#51208)

* Datumizes all uses of change_view

* Cleanup and helper procs

* tweaks values to match the format, hint hint, (value - 0.5) works just fine

* And there's the rest

* woop, braindamage

* and one more

* fuck you menu file

* woops

* we should apply that

* fixes tooltip drift, thank you goon coders

* you can shake but you can't zoom

code/game/objects/structures/manned_turret.dm

@@ -11,7 +11,7 @@
 	max_integrity = 100
 	buckle_lying = FALSE
 	layer = ABOVE_MOB_LAYER
-	var/view_range = 10
+	var/view_range = 2.5
 	var/cooldown = 0
 	var/projectile_type = /obj/projectile/bullet/manned_turret
 	var/rate_of_fire = 1
@@ -38,7 +38,7 @@
 		buckled_mob.pixel_x = 0
 		buckled_mob.pixel_y = 0
 		if(buckled_mob.client)
-			buckled_mob.client.change_view(CONFIG_GET(string/default_view))
+			buckled_mob.client.view_size.resetToDefault()
 	anchored = FALSE
 	. = ..()
 	STOP_PROCESSING(SSfastprocess, src)
@@ -65,7 +65,7 @@
 	playsound(src,'sound/mecha/mechmove01.ogg', 50, TRUE)
 	anchored = TRUE
 	if(M.client)
-		M.client.change_view(view_range)
+		M.client.view_size.setTo(view_range)
 	START_PROCESSING(SSfastprocess, src)
 
 /obj/machinery/manned_turret/process()