Spells can now be based on the variables of their holder for cost. This allows cool things like a spell that deals 20 fire damage to you when you cast it.

git-svn-id: http://tgstation13.googlecode.com/svn/trunk@2717 316c924e-a436-60f5-8080-3fe189b3f50e

code/defines/procs/helpers.dm

@@ -1450,3 +1450,18 @@ proc/safepick(list/list)
 		return
 	return pick(list)
 
+proc/view_or_range(distance = world.view , center = usr , type)
+	switch(type)
+		if("view")
+			. = view(distance,center)
+		if("range")
+			. = range(distance,center)
+	return
+
+proc/oview_or_orange(distance = world.view , center = usr , type)
+	switch(type)
+		if("view")
+			. = oview(distance,center)
+		if("range")
+			. = orange(distance,center)
+	return