Ported virus2 system and machinery.

Viruses2 do not spawn anywhere yet, until machinery is on map.

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

@@ -6,6 +6,9 @@
 	var/eye_op_stage = 0.0
 	var/appendix_op_stage = 0.0
 */
+	var/datum/disease2/disease/virus2 = null
+	var/list/datum/disease2/disease/resistances2 = list()
+
 	var/antibodies = 0
 
 	var/silent = null 		//Can't talk. Value goes down every life proc.

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

@@ -117,7 +117,7 @@
 /mob/living/carbon/human/proc/fixblood()
 	for(var/datum/reagent/blood/B in vessel.reagent_list)
 		if(B.id == "blood")
-			B.data = list("donor"=src,"viruses"=null,"blood_DNA"=dna.unique_enzymes,"blood_type"=dna.b_type,"resistances"=null,"trace_chem"=null)
+			B.data = list("donor"=src,"viruses"=null,"blood_DNA"=dna.unique_enzymes,"blood_type"=dna.b_type,"resistances"=null,"trace_chem"=null, "virus2" = null, "antobodies" = null)
 
 
 /mob/living/carbon/human/Bump(atom/movable/AM as mob|obj, yes)

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

@@ -1367,7 +1367,28 @@
 		if(bodytemperature > 406)
 			for(var/datum/disease/D in viruses)
 				D.cure()
-		return
+
+		if(!virus2)
+			for(var/obj/effect/decal/cleanable/blood/B in view(1,src))
+				if(B.virus2 && get_infection_chance())
+					infect_virus2(src,B.virus2)
+			for(var/obj/effect/decal/cleanable/mucus/M in view(1,src))
+				if(M.virus2 && get_infection_chance())
+					infect_virus2(src,M.virus2)
+		else
+			if(isnull(virus2)) // Trying to figure out a runtime error that keeps repeating
+				CRASH("virus2 nulled before calling activate()")
+			else
+				virus2.activate(src)
+
+			// activate may have deleted the virus
+			if(!virus2) return
+
+			// check if we're immune
+			if(virus2.antigen & src.antibodies) virus2.dead = 1
+
+
+			return
 
 	proc/handle_stomach()
 		spawn(0)