More resist refactoring

Reorganizes resist a bit more to allow for cleaner inheritance.

code/modules/mob/living/carbon/resist.dm

@@ -1,9 +1,5 @@
 
-/mob/living/carbon/resist()
-	//need to allow !canmove, or otherwise neck grabs can't be resisted
-	//so just check weakened instead.
-	if(stat || weakened || next_move > world.time) 
-		return 
+/mob/living/carbon/process_resist()
 	
 	//drop && roll
 	if(on_fire)

code/modules/mob/living/living.dm

@@ -460,13 +460,20 @@
 	set name = "Resist"
 	set category = "IC"
 
+	if(can_resist())
+		next_move = world.time + 20
+		process_resist()
+
+/mob/living/proc/can_resist()
 	//need to allow !canmove, or otherwise neck grabs can't be resisted
 	//so just check weakened instead.
-	if(stat || weakened || next_move > world.time)
-		return
-
-	next_move = world.time + 20
+	if(stat || weakened)
+		return 0
+	if(next_move > world.time)
+		return 0
+	return 1
 
+/mob/living/proc/process_resist()
 	//Getting out of someone's inventory.
 	if(istype(src.loc, /obj/item/weapon/holder))
 		escape_inventory(src.loc)

code/modules/mob/living/simple_animal/borer/borer_captive.dm

@@ -34,7 +34,10 @@
 /mob/living/captive_brain/emote(var/message)
 	return
 
-/mob/living/captive_brain/resist()
+/mob/living/captive_brain/can_resist()
+	return !(stat || next_move > world.time)
+
+/mob/living/captive_brain/process_resist()
 	//Resisting control by an alien mind.
 	if(istype(src.loc,/mob/living/simple_animal/borer))
 		var/mob/living/simple_animal/borer/B = src.loc