Remove Shroud.IsExplored(Actor) and IsVisible(Actor).

OpenRA.Game/Player.cs

@@ -149,6 +149,19 @@ namespace OpenRA
 				nsc.Trait.StanceChanged(nsc.Actor, this, target, oldStance, s);
 		}
 
+		public bool CanViewActor(Actor a)
+		{
+			if (a.TraitsImplementing<IVisibilityModifier>().Any(t => !t.IsVisible(a, this)))
+				return false;
+
+			if (a.Owner.IsAlliedWith(this))
+				return true;
+
+			// Actors are hidden under shroud, but not under fog by default
+			// TODO: Shroud exploration should be implemented as an IVisibility modifier!
+			return Shroud.GetVisOrigins(a).Any(Shroud.IsExplored);
+		}
+
 		#region Scripting interface
 
 		Lazy<ScriptPlayerInterface> luaInterface;