Better method of deffered processing

code/__DEFINES/MC.dm

@@ -21,6 +21,7 @@
 
 #define START_PROCESSING(Processor, Datum) if (!Datum.isprocessing) {Datum.isprocessing = TRUE;Processor.processing += Datum}
 #define STOP_PROCESSING(Processor, Datum) Datum.isprocessing = FALSE;Processor.processing -= Datum
+#define START_DEFFERED_PROCESSING(Processor, Datum) if (!Datum.isprocessing) {Datum.isprocessing = TRUE;Processor.processing.Insert(1,Datum)}
 
 //SubSystem flags (Please design any new flags so that the default is off, to make adding flags to subsystems easier)
 

code/controllers/subsystem/machinery.dm

@@ -11,7 +11,6 @@ SUBSYSTEM_DEF(machines)
 	var/list/currentrun = list()
 	var/list/powernets = list()
 	var/list/deferred_powernet_rebuilds = list()
-	var/list/deferred_process = list()
 
 	var/currentpart = SSMACHINES_DEFERREDPOWERNETS
 
@@ -91,21 +90,6 @@ SUBSYSTEM_DEF(machines)
 	while(currentrun.len)
 		var/obj/machinery/thing = currentrun[currentrun.len]
 		currentrun.len--
-		if(thing.deferred_processing)
-			deferred_process += thing
-		else
-			if(!QDELETED(thing) && thing.process(seconds) != PROCESS_KILL)
-				if(thing.use_power)
-					thing.auto_use_power() //add back the power state
-			else
-				processing -= thing
-				if(!QDELETED(thing))
-					thing.isprocessing = FALSE
-		if(MC_TICK_CHECK)
-			return
-	while(deferred_process.len)
-		var/obj/machinery/thing = deferred_process[deferred_process.len]
-		deferred_process.len--
 		if(!QDELETED(thing) && thing.process(seconds) != PROCESS_KILL)
 			if(thing.use_power)
 				thing.auto_use_power() //add back the power state

code/game/machinery/machinery.dm

@@ -118,7 +118,7 @@ Class Procs:
 	var/list/settagwhitelist = list()//WHITELIST OF VARIABLES THAT THE set_tag HREF CAN MODIFY, DON'T PUT SHIT YOU DON'T NEED ON HERE, AND IF YOU'RE GONNA USE set_tag (format_tag() proc), ADD TO THIS LIST.
 	atom_say_verb = "beeps"
 	var/speed_process = 0 // Process as fast as possible?
-	var/deferred_processing = 0
+	var/defer_process = 0
 
 /obj/machinery/Initialize()
 	addAtProcessing()
@@ -129,7 +129,10 @@ Class Procs:
 	if(use_power)
 		myArea = get_area_master(src)
 	if(!speed_process)
-		START_PROCESSING(SSmachines, src)
+		if(!src.defer_process)
+			START_PROCESSING(SSmachines, src)
+		else
+			START_DEFFERED_PROCESSING(SSmachines, src)
 	else
 		fast_processing += src
 		isprocessing = TRUE // all of these  isprocessing = TRUE  can be removed when the PS is dead

code/modules/power/smes.dm

@@ -13,7 +13,7 @@
 	icon_state = "smes"
 	density = 1
 	anchored = 1
-	deferred_processing = 1
+	defer_process = 1
 
 	var/capacity = 5e6 // maximum charge
 	var/charge = 0 // actual charge