515 Compatibility (#19636)

* 515 compat

* double spaces

* Callback documentation, aa review

* spacing

* NAMEOF_STATIC

* big beta

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

@@ -38,7 +38,7 @@
 		// This includes maint loot spawners. The problem with that is if a closet loads before a spawner,
 		// the loot will just be in a pile. Adding a timer with 0 delay will cause it to only take in contents once the MC has loaded,
 		// therefore solving the issue on mapload. During rounds, everything will happen as normal
-		addtimer(CALLBACK(src, .proc/take_contents), 0)
+		addtimer(CALLBACK(src, PROC_REF(take_contents)), 0)
 	populate_contents() // Spawn all its stuff
 	update_icon() // Set it to the right icon if needed
 

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

@@ -23,7 +23,7 @@
 	var/oldloc = loc
 	step(src, direction)
 	if(oldloc != loc)
-		addtimer(CALLBACK(src, .proc/ResetMoveDelay), GLOB.configuration.movement.base_walk_speed)
+		addtimer(CALLBACK(src, PROC_REF(ResetMoveDelay)), GLOB.configuration.movement.base_walk_speed)
 	else
 		move_delay = FALSE
 

code/game/objects/structures/crates_lockers/closets/secure/secure_closets.dm

@@ -73,7 +73,7 @@
 		locked = FALSE
 		add_overlay("sparking")
 		to_chat(user, "<span class='notice'>You break the lock on [src].</span>")
-		addtimer(CALLBACK(src, /atom/.proc/update_icon), 1 SECONDS)
+		addtimer(CALLBACK(src, TYPE_PROC_REF(/atom, update_icon)), 1 SECONDS)
 
 /obj/structure/closet/secure_closet/attack_hand(mob/user)
 	add_fingerprint(user)