diff --git a/GainStation13/code/obj/structure/calorite_doors.dm b/GainStation13/code/obj/structure/calorite_doors.dm
index 0d0602ff..16644c50 100644
--- a/GainStation13/code/obj/structure/calorite_doors.dm
+++ b/GainStation13/code/obj/structure/calorite_doors.dm
@@ -1,5 +1,3 @@
-
-
 /obj/structure/mineral_door/calorite //GS13
 	name = "calorite door"
 	icon = 'GainStation13/icons/obj/structure/calorite_door.dmi'
@@ -16,77 +14,66 @@
 
 // override /obj/structure/mineral_door/proc/Open()
 /obj/structure/mineral_door/calorite/Open() //GS13
-	isSwitchingStates = 1
-	playsound(src, openSound, 100, 1)
-	set_opacity(FALSE)
-	flick("[initial_state]opening",src)
-	sleep(10)
-	density = FALSE
-	state = 1
-	air_update_turf(1)
-	update_icon()
-	isSwitchingStates = 0
-
-	if(close_delay != -1)
-		addtimer(CALLBACK(src, .proc/Close), close_delay)
+	..()
 
 	// start periodic loop
 	stuck = FALSE
-	addtimer(CALLBACK(src, .proc/Fatten), fatten_delay)
+	START_PROCESSING(SSprocessing, src)
+
+/obj/structure/mineral_door/calorite/process()
+	if(!state) // Door be closed!!!
+		STOP_PROCESSING(SSprocessing, src)
+
+	Fatten()
 
 /obj/structure/mineral_door/calorite/proc/Fatten() //GS13
-	if(state == 1) // door must be open
-		// check periodically
-		addtimer(CALLBACK(src, .proc/Fatten), fatten_delay)
-		// check for mobs in open door
-		var/turf/T = get_turf(src)
-		blocked = FALSE
-		for(var/mob/living/carbon/M in T)
-			blocked = TRUE
-			// determine if mob should get stuck and be fattened
-			if(M.fatness >= FATNESS_LEVEL_BARELYMOBILE)
-				fatten = TRUE
-				if (!stuck)
-					stuck_delay = 120
-					M.visible_message(
-						"<span class='boldnotice'>[M] gets stuck in the doorway!</span>",
-						"<span class='boldwarning'>You feel yourself get stuck in the doorway!</span>")
-			else if(M.fatness >= FATNESS_LEVEL_MORBIDLY_OBESE)
-				fatten = TRUE
-				if (!stuck)
-					stuck_delay = 50
-					M.visible_message(
-						"<span class='boldnotice'>[M] barely squeezes through the doorway!</span>",
-						"<span class='boldwarning'>You feel your sides barely squeeze through the doorway!</span>")
-			else if(M.fatness >= FATNESS_LEVEL_FATTER)
-				fatten = TRUE
-				if (!stuck)
-					stuck_delay = 15
-					M.visible_message(
-						"<span class='boldnotice'>[M]'s sides briefly smush against the doorway.</span>",
-						"<span class='boldwarning'>You feel your sides smush against the doorway!.</span>")
-			else if(M.fatness >= FATNESS_LEVEL_FAT)
-				fatten = TRUE
-				if (!stuck)
-					stuck_delay = 5
-					M.visible_message(
-						"<span class='boldnotice'>[M]'s sides briefly brush against the doorway.</span>",
-						"<span class='boldwarning'>You feel your sides briefly brush against the doorway!</span>")
-			else
-				fatten = FALSE
-				stuck = FALSE
-				stuck_delay = 0
-
-			if (fatten) // get stuck
-				if (!stuck)
-					M.Stun(stuck_delay/2) // give player time to escape
-					stuck = TRUE
-				if (stuck_delay > 0) // wait for stun to end
-					stuck_delay = stuck_delay - fatten_delay
-					if (stuck_delay <= 0)
-						stuck_delay = 0
-					// gain weight while stuck
-					M.adjust_fatness(fat_to_add, FATTENING_TYPE_ITEM)
+	var/turf/T = get_turf(src)
+	blocked = FALSE
+	for(var/mob/living/carbon/M in T)
+		blocked = TRUE
+		// determine if mob should get stuck and be fattened
+		if(M.fatness >= FATNESS_LEVEL_BARELYMOBILE)
+			fatten = TRUE
+			if (!stuck)
+				stuck_delay = 120
+				M.visible_message(
+					"<span class='boldnotice'>[M] gets stuck in the doorway!</span>",
+					"<span class='boldwarning'>You feel yourself get stuck in the doorway!</span>")
+		else if(M.fatness >= FATNESS_LEVEL_MORBIDLY_OBESE)
+			fatten = TRUE
+			if (!stuck)
+				stuck_delay = 50
+				M.visible_message(
+					"<span class='boldnotice'>[M] barely squeezes through the doorway!</span>",
+					"<span class='boldwarning'>You feel your sides barely squeeze through the doorway!</span>")
+		else if(M.fatness >= FATNESS_LEVEL_FATTER)
+			fatten = TRUE
+			if (!stuck)
+				stuck_delay = 15
+				M.visible_message(
+					"<span class='boldnotice'>[M]'s sides briefly smush against the doorway.</span>",
+					"<span class='boldwarning'>You feel your sides smush against the doorway!.</span>")
+		else if(M.fatness >= FATNESS_LEVEL_FAT)
+			fatten = TRUE
+			if (!stuck)
+				stuck_delay = 5
+				M.visible_message(
+					"<span class='boldnotice'>[M]'s sides briefly brush against the doorway.</span>",
+					"<span class='boldwarning'>You feel your sides briefly brush against the doorway!</span>")
+		else
+			fatten = FALSE
+			stuck = FALSE
+			stuck_delay = 0
+		if (fatten) // get stuck
+			if (!stuck)
+				M.Stun(stuck_delay/2) // give player time to escape
+				stuck = TRUE
+			if (stuck_delay > 0) // wait for stun to end
+				stuck_delay = stuck_delay - fatten_delay
+				if (stuck_delay <= 0)
+					stuck_delay = 0
+				// gain weight while stuck
+				M.adjust_fatness(fat_to_add, FATTENING_TYPE_ITEM)
 
 	if (!blocked)
 		stuck = FALSE // ready to go again