Improve ProductionBar performance.

Also adds an explicit second bar for construction yards.

OpenRA.Mods.RA/ProductionBar.cs

@@ -8,6 +8,7 @@
  */
 #endregion
 
+using System;
 using System.Drawing;
 using System.Linq;
 using OpenRA.FileFormats;
@@ -18,13 +19,49 @@ namespace OpenRA.Mods.RA
 	[Desc("Visualizes the remaining build time of actor produced here.")]
 	class ProductionBarInfo : ITraitInfo
 	{
-		public object Create(ActorInitializer init) { return new ProductionBar( init.self ); }
+		[Desc("Production queue type, for actors with multiple queues.")]
+		public readonly string ProductionType = null;
+
+		public object Create(ActorInitializer init) { return new ProductionBar(init.self, this); }
 	}
 
-	class ProductionBar : ISelectionBar
+	class ProductionBar : ISelectionBar, ITick
 	{
-		Actor self;
+		readonly ProductionBarInfo info;
-		public ProductionBar(Actor self) { this.self = self; }
+		readonly Actor self;
+		ProductionQueue queue;
+		float value;
+
+		public ProductionBar(Actor self, ProductionBarInfo info)
+		{
+			this.self = self;
+			this.info = info;
+		}
+
+		public void Tick(Actor self)
+		{
+			if (queue == null)
+			{
+				var type = info.ProductionType ?? self.Trait<Production>().Info.Produces.First();
+
+				// Per-actor queue
+				queue = self.TraitsImplementing<ProductionQueue>()
+					.FirstOrDefault(q => type == null || type == q.Info.Type);
+
+				if (queue == null)
+				{
+					// No queues available - check for classic production queues
+					queue = self.Owner.PlayerActor.TraitsImplementing<ProductionQueue>()
+						.FirstOrDefault(q => type == null || type == q.Info.Type);
+				}
+
+				if (queue == null)
+					throw new InvalidOperationException("No queues available for production type '{0}'".F(type));
+			}
+
+			var current = queue.CurrentItem();
+			value = current != null ? 1 - (float)current.RemainingCost / current.TotalCost : 0;
+		}
 
 		public float GetValue()
 		{
@@ -32,18 +69,7 @@ namespace OpenRA.Mods.RA
 			if (!self.Owner.IsAlliedWith(self.World.RenderPlayer))
 				return 0;
 
-			var queue = self.TraitsImplementing<ProductionQueue>().FirstOrDefault(q => q.CurrentItem() != null);
+			return value;
-			if (queue == null)
-			{
-				var produces = self.Trait<Production>().Info.Produces;
-				queue = self.Owner.PlayerActor.TraitsImplementing<ProductionQueue>()
-					.FirstOrDefault(q => produces.Contains(q.Info.Type));
-			}
-
-			if (queue == null || queue.CurrentItem() == null)
-				return 0f;
-
-			return 1 - (float)queue.CurrentItem().RemainingCost / queue.CurrentItem().TotalCost;
 		}
 
 		public Color GetColor() { return Color.SkyBlue; }

mods/cnc/rules/structures.yaml

@@ -41,7 +41,10 @@ FACT:
 		QueuedAudio: Building
 		ReadyAudio: ConstructionComplete
 	BaseBuilding:
-	ProductionBar:
+	ProductionBar@Building:
+		ProductionType: Building
+	ProductionBar@Defense:
+		ProductionType: Defense
 	BaseProvider:
 		Cooldown: 75
 		Range: 14

mods/ra/rules/structures.yaml

@@ -810,7 +810,10 @@ FACT:
 		IntoActor: mcv
 		Offset: 1,1
 		Facing: 96
-	ProductionBar:
+	ProductionBar@Building:
+		ProductionType: Building
+	ProductionBar@Defense:
+		ProductionType: Defense
 	DeadBuildingState:
 	BaseProvider:
 		Range: 16

mods/ts/rules/structures.yaml

@@ -29,7 +29,10 @@ GACNST:
 		IntoActor: mcv
 		Offset: 1,1
 		Facing: 96
-	ProductionBar:
+	ProductionBar@Building:
+		ProductionType: Building
+	ProductionBar@Defense:
+		ProductionType: Defense
 	-Sellable:
 	WithIdleOverlay@TOP:
 		Sequence: idle-top