Implements Infectious Spider Eggs

code/modules/reagents/newchem/disease.dm

@@ -0,0 +1,14 @@
+/datum/reagent/spider_eggs
+	name = "spider eggs"
+	id = "spidereggs"
+	description = "A fine dust containing spider eggs. Oh gosh."
+	reagent_state = SOLID
+	color = "#FFFFFF"
+
+/datum/reagent/spider_eggs/on_mob_life(var/mob/living/M as mob)
+	if(!M) M = holder.my_atom
+	if(volume > 2.5)
+		if(iscarbon(M))
+			if(!M.get_int_organ(/obj/item/organ/internal/body_egg))
+				new/obj/item/organ/internal/body_egg/spider_eggs(M) //Yes, even Xenos can fall victim to the plague that is spider infestation.
+	..()

code/modules/reagents/reagent_containers/glass/bottle.dm

@@ -299,4 +299,4 @@
 
 	New()
 		..()
-		reagents.add_reagent(pick("polonium","initropidril","concentrated_initro","pancuronium","sodium_thiopental","ketamine","sulfonal","amanitin","coniine","curare","sarin","histamine","venom","cyanide"), 40)
+		reagents.add_reagent(pick("polonium","initropidril","concentrated_initro","pancuronium","sodium_thiopental","ketamine","sulfonal","amanitin","coniine","curare","sarin","histamine","venom","cyanide","spidereggs"), 40)

code/modules/surgery/organs/parasites.dm

@@ -0,0 +1,35 @@
+/obj/item/organ/internal/body_egg/spider_eggs
+	name = "spider eggs"
+	icon = 'icons/effects/effects.dmi'
+	icon_state = "eggs"
+	var/stage = 1
+
+/obj/item/organ/internal/body_egg/spider_eggs/on_life()
+	if(stage < 5 && prob(3))
+		stage++
+
+	switch(stage)
+		if(2)
+			if(prob(3))
+				owner.reagents.add_reagent("histamine", 2)
+		if(3)
+			if(prob(5))
+				owner.reagents.add_reagent("histamine", 3)
+		if(4)
+			if(prob(12))
+				owner.reagents.add_reagent("histamine", 5)
+		if(5)
+			owner << "<span class='danger'>You feel like something is tearing its way out of your skin...</span>"
+			owner.reagents.add_reagent("histamine", 10)
+			if(prob(30))
+				owner.emote("scream")
+				var/spiders = rand(3,5)
+				for(var/i in 1 to spiders)
+					new/obj/effect/spider/spiderling(get_turf(owner))
+				owner.visible_message("<span class='danger'>[owner] bursts open! Holy fuck!</span>")
+				owner.gib()
+
+/obj/item/organ/internal/body_egg/spider_eggs/remove(var/mob/living/carbon/M, var/special = 0)
+	..()
+	M.reagents.del_reagent("spidereggs") //purge all remaining spider eggs reagent if caught, in time.
+	qdel(src) //We don't want people re-implanting these for near instant gibbings.