Bugfixes

Using ghost chat follow on any atom/movable object will let you follow
that object
Ghost follow changed for AI - again, works for real this time pls beleive
me
Fixes #2006, Morgue recursively deletes contents now
Fixes #2282, alien reagents work for the first time, wow nice smooth gas
the vox

code/game/objects/structures/morgue.dm

@@ -310,7 +310,8 @@
 			return
 
 	else
-		if(!isemptylist(src.search_contents_for(/obj/item/weapon/disk/nuclear)))
+		var/inside = src.search_contents_for(/atom)
+		if(is_type_in_list(/obj/item/weapon/disk/nuclear, inside))
 			usr << "You get the feeling that you shouldn't cremate one of the items in the cremator."
 			return
 
@@ -320,7 +321,7 @@
 		cremating = 1
 		locked = 1
 
-		for(var/mob/living/M in contents)
+		for(var/mob/living/M in inside)
 			if (M.stat!=2)
 				M.emote("scream",,, 1)
 			//Logging for this causes runtimes resulting in the cremator locking up. Commenting it out until that's figured out.
@@ -331,7 +332,7 @@
 			M.ghostize()
 			del(M)
 
-		for(var/obj/O in contents) //obj instead of obj/item so that bodybags and ashes get destroyed. We dont want tons and tons of ash piling up
+		for(var/obj/O in inside) //obj instead of obj/item so that bodybags and ashes get destroyed. We dont want tons and tons of ash piling up
 			del(O)
 
 		new /obj/effect/decal/cleanable/ash(src)

code/modules/mob/dead/observer/observer.dm

@@ -469,9 +469,6 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	var/list/mobs = getmobs()
 	var/input = input("Please, select a mob!", "Haunt", null, null) as null|anything in mobs
 	var/mob/target = mobs[input]
-	if(istype(target,/mob/living/silicon/ai))
-		var/mob/living/silicon/ai/M = target
-		target = M.eyeobj
 	ManualFollow(target)
 
 // This is the ghost's follow verb with an argument
@@ -787,10 +784,13 @@ This is the proc mobs get to turn into a ghost. Forked from ghostize due to comp
 	..()
 
 	if (href_list["follow"])
-		var/mob/target = locate(href_list["follow"]) in mob_list
+		var/target = locate(href_list["follow"])
+		if(following == target) return
 		var/mob/A = usr;
 		A << "You are now following [target]"
-		//var/mob/living/silicon/ai/A = locate(href_list["track2"]) in mob_list
+		if(istype(target,/mob/living/silicon/ai))
+			var/mob/living/silicon/ai/M = target
+			target = M.eyeobj
 		if(target && target != usr)
 			following = target
 			spawn(0)

code/modules/mob/living/carbon/human/life.dm

@@ -1008,10 +1008,11 @@ var/global/list/organ_damage_overlays = list(
 	if(reagents)
 
 		var/alien = 0 //Not the best way to handle it, but neater than checking this for every single reagent proc.
-		if(species && species.name == "Diona")
-			alien = 1
-		else if(species && species.name == "Vox")
-			alien = 2
+		if(src.species)
+			switch(src.species.type)
+				if(/datum/species/diona)	alien = 1
+				if(/datum/species/vox)	alien = 2
+				if(/datum/species/plasmaman)	alien = 3
 		reagents.metabolize(src,alien)
 
 	var/total_plasmaloss = 0

code/modules/reagents/Chemistry-Holder.dm

@@ -261,11 +261,11 @@ datum
 				return total_transfered
 */
 
-			metabolize(var/mob/M)
+			metabolize(var/mob/M, var/alien)
 				for(var/A in reagent_list)
 					var/datum/reagent/R = A
 					if(M && R)
-						R.on_mob_life(M)
+						R.on_mob_life(M, alien)
 				update_total()
 
 			update_aerosol(var/mob/M)

code/modules/reagents/Chemistry-Reagents.dm

@@ -8,6 +8,7 @@
 //Some on_mob_life() procs check for alien races.
 #define IS_DIONA 1
 #define IS_VOX 2
+#define IS_PLASMA 3
 
 //The reaction procs must ALWAYS set src = null, this detaches the proc from the object (the reagent)
 //so that it can continue working when the reagent is deleted while the proc is still active.
@@ -76,7 +77,6 @@
 		return //Noticed runtime errors from pacid trying to damage ghosts, this should fix. --NEO
 	if( (overdose > 0) && (volume >= overdose))//Overdosing, wooo
 		M.adjustToxLoss(overdose_dam)
-
 	if(!holder) return
 	holder.remove_reagent(src.id, custom_metabolism) //By default it slowly disappears.
 	return