Refactors virus spreading

code/modules/mob/mob.dm

@@ -336,6 +336,18 @@
 
 	if(ismob(AM))
 		var/mob/M = AM
+
+		//Share diseases that are spread by touch
+		for(var/thing in viruses)
+			var/datum/disease/D = thing
+			if(D.spread_flags & VIRUS_SPREAD_CONTACT_SKIN)
+				M.ContactContractDisease(D)
+
+		for(var/thing in M.viruses)
+			var/datum/disease/D = thing
+			if(D.spread_flags & VIRUS_SPREAD_CONTACT_SKIN)
+				ContactContractDisease(D)
+
 		add_logs(src, M, "grabbed", addition="passive grab")
 		if(!supress_message)
 			visible_message("<span class='warning'>[src] has grabbed [M] passively!</span>")
@@ -941,6 +953,16 @@
 /mob/proc/get_idcard()
 	return
 
+/mob/proc/get_static_viruses() //used when creating blood and other infective objects
+	if(!LAZYLEN(viruses))
+		return
+	var/list/datum/disease/diseases = list()
+	for(var/datum/disease/D in viruses)
+		var/static_virus = D.Copy()
+		diseases += static_virus
+	return diseases
+
+
 /mob/vv_get_dropdown()
 	. = ..()
 	. += "---"