Fix #225 and some other uses of a.IsInWorld / a.IsDead()

OpenRA.Mods.RA/Activities/Infiltrate.cs

@@ -20,7 +20,7 @@ namespace OpenRA.Mods.RA.Activities
 		public override IActivity Tick(Actor self)
 		{
 			if (IsCanceled) return NextActivity;
-			if (target == null || target.IsDead()) return NextActivity;
+			if (target == null || !target.IsInWorld || target.IsDead()) return NextActivity;
 			if (target.Owner == self.Owner) return NextActivity;
 
 			foreach (var t in target.TraitsImplementing<IAcceptSpy>())

OpenRA.Mods.RA/AutoHeal.cs

@@ -61,7 +61,7 @@ namespace OpenRA.Mods.RA
 
 			return inRange
 				.Where(a => a != self && self.Owner.Stances[a.Owner] == Stance.Ally)
-				.Where(a => !a.IsDead())
+				.Where(a => a.IsInWorld && !a.IsDead())
 				.Where(a => a.HasTrait<Health>() && a.GetDamageState() > DamageState.Undamaged)
 				.Where(a => attack.HasAnyValidWeapons(Target.FromActor(a)))
 				.OrderBy(a => (a.Location - self.Location).LengthSquared)

OpenRA.Mods.RA/Bridge.cs

@@ -139,7 +139,7 @@ namespace OpenRA.Mods.RA
 		
 		bool IsIntact(Bridge b)
 		{
-			return b != null && b.self.IsInWorld && !b.self.IsDead();
+			return b != null && !b.self.IsDead();
 		}
 
 		void KillUnitsOnBridge()

OpenRA.Mods.RA/Player/ProductionQueue.cs

@@ -237,9 +237,16 @@ namespace OpenRA.Mods.RA
 			return a.TraitsImplementing<IDisable>().Any(d => d.Disabled);
 		}
 
+		// Builds a unit from the actor that holds this queue (1 queue per building)
 		protected virtual void BuildUnit( string name )
 		{			
-			// queue lives on actor; is produced at same actor
+			// Cannot produce if i'm dead
+			if (!self.IsInWorld || self.IsDead())
+			{
+				CancelProduction(name, 1);
+				return;
+			}
+			
 			var sp = self.TraitsImplementing<Production>().Where(p => p.Info.Produces.Contains(Info.Type)).FirstOrDefault();
 			if (sp != null && !IsDisabledBuilding(self) && sp.Produce(self, Rules.Info[ name ]))
 					FinishProduction();