Vomiting Overhaul (#365)

Centralises vomiting code to remove duplication and standardise effects.
Makes vomiting empty your stomach a bit (30u, the capacity of a drink
glass)
Adds Ipecac, an emetic to cause vomiting

code/datums/diseases/advance/symptoms/vomit.dm

@@ -31,7 +31,7 @@ Bonus
 /datum/symptom/vomit/Activate(var/datum/disease/advance/A)
 	..()
 	if(prob(SYMPTOM_ACTIVATION_PROB / 2))
-		var/mob/living/M = A.affected_mob
+		var/mob/living/carbon/M = A.affected_mob
 		switch(A.stage)
 			if(1, 2, 3, 4)
 				M << "<span class='notice'>[pick("You feel nauseous.", "You feel like you're going to throw up!")]</span>"
@@ -40,16 +40,8 @@ Bonus
 
 	return
 
-/datum/symptom/vomit/proc/Vomit(var/mob/living/M)
-
-	M.visible_message("<B>[M]</B> vomits on the floor!")
-
-	M.nutrition -= 20
-	M.adjustToxLoss(-3)
-
-	var/turf/pos = get_turf(M)
-	pos.add_vomit_floor(M)
-	playsound(pos, 'sound/effects/splat.ogg', 50, 1)
+/datum/symptom/vomit/proc/Vomit(var/mob/living/carbon/M)
+	M.vomit()//This function is in mob_helpers
 /*
 //////////////////////////////////////
 

code/datums/diseases/appendicitis.dm

@@ -33,13 +33,8 @@
 			affected_mob.adjustToxLoss(1)
 	if(stage > 2)
 		if(prob(1))
-			if (affected_mob.nutrition > 100)
-				var/mob/living/carbon/human/H = affected_mob
-				H.vomit()
-			else
-				affected_mob << "\red You gag as you want to throw up, but there's nothing in your stomach!"
-				affected_mob.Weaken(10)
-				affected_mob.adjustToxLoss(3)
+			var/mob/living/carbon/human/H = affected_mob
+			H.delayed_vomit()
 	if(stage > 3)
 		if(prob(1) && ishuman(affected_mob))
 			var/mob/living/carbon/human/H = affected_mob