515 Compatibility (#19636)

* 515 compat

* double spaces

* Callback documentation, aa review

* spacing

* NAMEOF_STATIC

* big beta

code/modules/hydroponics/biogenerator.dm

@@ -271,7 +271,7 @@
 	stored_plants.Cut()
 	playsound(loc, 'sound/machines/blender.ogg', 50, 1)
 	use_power(plants_processed * 150)
-	addtimer(CALLBACK(src, .proc/end_processing), (plants_processed * 5) / productivity)
+	addtimer(CALLBACK(src, PROC_REF(end_processing)), (plants_processed * 5) / productivity)
 
 /obj/machinery/biogenerator/proc/end_processing()
 	processing = FALSE

code/modules/hydroponics/fermenting_barrel.dm

@@ -49,7 +49,7 @@
 			return FALSE
 		G.forceMove(src)
 		to_chat(user, "<span class='notice'>You place [G] into [src] to start the fermentation process.</span>")
-		addtimer(CALLBACK(src, .proc/makeWine, G), rand(80, 120) * speed_multiplier)
+		addtimer(CALLBACK(src, PROC_REF(makeWine), G), rand(80, 120) * speed_multiplier)
 	else if(I.is_refillable())
 		return FALSE // To refill via afterattack proc
 	else

code/modules/hydroponics/grown/citrus.dm

@@ -124,7 +124,7 @@
 		C.throw_mode_on()
 	icon_state = "firelemon_active"
 	playsound(loc, 'sound/weapons/armbomb.ogg', 75, 1, -3)
-	addtimer(CALLBACK(src, .proc/prime), rand(10, 60))
+	addtimer(CALLBACK(src, PROC_REF(prime)), rand(10, 60))
 
 /obj/item/reagent_containers/food/snacks/grown/firelemon/burn()
 	prime()