- Slightly rewrote the diseases. Spreading, stage updates, etc. Check the diffs if you want details.

- Fixed wizarditis teleport lagggggg

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@339 316c924e-a436-60f5-8080-3fe189b3f50e

code/defines/global.dm

@@ -7,6 +7,7 @@ var/global
 
 	list/machines = list()
 	list/processing_items = list()
+	list/active_diseases = list()
 		//items that ask to be called every cycle
 
 	defer_powernet_rebuild = 0		// true if net rebuild will be called manually after an event

code/defines/obj/decal.dm

@@ -28,6 +28,11 @@
 	blood_DNA = null
 	blood_type = null
 
+	Del()
+		if(virus)
+			virus.cure(0)
+		..()
+
 /obj/decal/cleanable/xenoblood
 	name = "Xeno blood"
 	desc = "It's green."
@@ -39,6 +44,11 @@
 	random_icon_states = list("xfloor1", "xfloor2", "xfloor3", "xfloor4", "xfloor5", "xfloor6", "xfloor7")
 	var/datum/disease/virus = null
 
+	Del()
+		if(virus)
+			virus.cure(0)
+		..()
+
 /obj/decal/cleanable/blood/splatter
 	random_icon_states = list("gibbl1", "gibbl2", "gibbl3", "gibbl4", "gibbl5")
 
@@ -89,6 +99,11 @@
 	var/datum/disease/virus = null
 	random_icon_states = list("floor1", "floor2", "floor3", "floor4", "floor5", "floor6", "floor7")
 
+	Del()
+		if(virus)
+			virus.cure(0)
+		..()
+
 /obj/decal/cleanable/oil/streak
 	random_icon_states = list("streak1", "streak2", "streak3", "streak4", "streak5")