Added an alien var to metabolize procs for humans and monkeys to tie into alien reagent reactions.

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

@@ -866,7 +866,15 @@
 	*/
 
 	proc/handle_chemicals_in_body()
-		if(reagents) reagents.metabolize(src)
+		if(reagents)
+
+			var/alien //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
+			reagents.metabolize(src,alien)
+
 		var/total_plasmaloss = 0
 		for(var/obj/item/I in src)
 			if(I.contaminated)

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

@@ -440,7 +440,7 @@
 
 	proc/handle_chemicals_in_body()
 
-		if(istype(src,/mob/living/carbon/monkey/diona)) //Filthy check. Dionaea nymphs need light or they get sad.
+		if(alien) //Diona nymphs are the only alien monkey currently.
 			var/light_amount = 0 //how much light there is in the place, affects receiving nutrition and healing
 			if(isturf(loc)) //else, there's considered to be no light
 				var/turf/T = loc
@@ -459,7 +459,7 @@
 				adjustToxLoss(-1)
 				adjustOxyLoss(-1)
 
-		if(reagents) reagents.metabolize(src)
+		if(reagents) reagents.metabolize(src,alien)
 
 		if (drowsyness)
 			drowsyness--

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

@@ -14,6 +14,7 @@
 	//var/uni_append = "12C4E2"                // Small appearance modifier for different species.
 	var/list/uni_append = list(0x12C,0x4E2)    // Same as above for DNA2.
 	var/update_muts = 1                        // Monkey gene must be set at start.
+	var/alien 									//Used for reagent metabolism.
 
 /mob/living/carbon/monkey/tajara
 	name = "farwa"
@@ -97,6 +98,7 @@
 /mob/living/carbon/monkey/diona/New()
 
 	..()
+	alien = 1
 	gender = NEUTER
 	dna.mutantrace = "plant"
 	greaterform = "Diona"