Fix regressions.

OpenRA.Game/Game.cs

@@ -420,11 +420,10 @@ namespace OpenRA
 
 		static Stance ChooseInitialStance(Player p, Player q)
 		{
-			// HACK
-			return Stance.Enemy;
-			
 			if (p == q) return Stance.Ally;
-			if (p == world.NeutralPlayer || q == world.NeutralPlayer) return Stance.Neutral;
+			
+			// Hack: All map players are neutral wrt everyone else
+			if (p.Index < 0 || q.Index < 0) return Stance.Neutral;
 
 			var pc = GetClientForPlayer(p);
 			var qc = GetClientForPlayer(q);

OpenRA.Game/Traits/Player/TechTreeCache.cs

@@ -26,9 +26,6 @@ namespace OpenRA.Traits
 
 			public void Tick( Player owner, Cache<string, List<Actor>> buildings )
 			{
-				// HACK
-				return;
-				
 				var effectivePrereq = prerequisites.Where( a => a.Traits.Get<BuildableInfo>().Owner.Contains( owner.Country.Race ) );
 				var nowHasPrerequisites = effectivePrereq.Any() &&
 					effectivePrereq.All( a => buildings[ a.Name ].Any( b => !b.traits.Get<Building>().Disabled ) );

OpenRA.Game/World.cs

@@ -97,15 +97,18 @@ namespace OpenRA
 			foreach (var kv in Map.Players)
 			{
 				var player = new Player(this, null);
-				Console.WriteLine("Creating Player {0}", kv.Key);
 				
 				// Lets just pretend that i didn't do this.... Will fix later
 				player.GetType().GetField("Index").SetValue( player, mapPlayerIndex-- );
 				player.GetType().GetField("Palette").SetValue( player, kv.Value.Palette );// Todo: set Player.Color as well
 				player.GetType().GetField("PlayerName").SetValue( player, kv.Value.Name );
 				player.GetType().GetField("InternalName").SetValue( player, kv.Value.Name );
-				player.GetType().GetField("Country").SetValue( player, this.GetCountries().FirstOrDefault(c => kv.Value.Race == c.Name) );
-
+				
+				var country = WorldActor.Info.Traits.WithInterface<CountryInfo>().FirstOrDefault(c => kv.Value.Race == c.Race);
+				if (country == null)
+					throw new NotImplementedException("Invalid country: {0}".F(kv.Value.Race));
+				player.GetType().GetField("Country").SetValue( player, country);
+				
 				AddPlayer(player);
 				
 				// Todo: Obsolete usage of "World.NeutralPlayer"