Implemented InfiniteBuildAfter.

OpenRA.Mods.Common/Traits/Player/ParallelProductionQueue.cs

@@ -53,7 +53,7 @@ namespace OpenRA.Mods.Common.Traits
 		protected override void BeginProduction(ProductionItem item, bool hasPriority)
 		{
 			// Ignore `hasPriority` as it's not relevant in parallel production context.
-			Queue.Add(item);
+			base.BeginProduction(item, false);
 		}
 
 		public override int RemainingTimeActual(ProductionItem item)

OpenRA.Mods.Common/Traits/Player/ProductionQueue.cs

@@ -50,6 +50,9 @@ namespace OpenRA.Mods.Common.Traits
 		[Desc("The build time is multiplied with this percentage on low power.")]
 		public readonly int LowPowerModifier = 100;
 
+		[Desc("Production items that have more than this many items in the queue will be produced in a loop.")]
+		public readonly int InfiniteBuildLimit = -1;
+
 		[NotificationReference("Speech")]
 		[Desc("Notification played when production is complete.",
 			"The filename of the audio is defined per faction in notifications.yaml.")]
@@ -455,10 +458,20 @@ namespace OpenRA.Mods.Common.Traits
 			var item = Queue.LastOrDefault(a => a.Item == itemName);
 
 			if (item != null)
+			{
+				if (item.Infinite)
+				{
+					item.Infinite = false;
+					for (var i = 1; i < Info.InfiniteBuildLimit; i++)
+						Queue.Add(new ProductionItem(this, item.Item, item.TotalCost, playerPower, item.OnComplete));
+				}
+				else
 				{
 					// Refund what has been paid
 					playerResources.GiveCash(item.TotalCost - item.RemainingCost);
 					EndProduction(item);
+				}
+
 				return true;
 			}
 
@@ -468,14 +481,37 @@ namespace OpenRA.Mods.Common.Traits
 		public void EndProduction(ProductionItem item)
 		{
 			Queue.Remove(item);
+
+			if (item.Infinite)
+				Queue.Add(new ProductionItem(this, item.Item, item.TotalCost, playerPower, item.OnComplete) { Infinite = true });
 		}
 
 		protected virtual void BeginProduction(ProductionItem item, bool hasPriority)
 		{
+			if (Queue.Any(i => i.Item == item.Item && i.Infinite))
+				return;
+
 			if (hasPriority && Queue.Count > 1)
 				Queue.Insert(1, item);
 			else
 				Queue.Add(item);
+
+			if (Info.InfiniteBuildLimit < 0)
+				return;
+
+			var queued = Queue.FindAll(i => i.Item == item.Item);
+
+			if (queued.Count <= Info.InfiniteBuildLimit)
+				return;
+
+			queued[0].Infinite = true;
+
+			for (var i = 1; i < queued.Count; i++)
+			{
+				// Refund what has been paid
+				playerResources.GiveCash(queued[i].TotalCost - queued[i].RemainingCost);
+				EndProduction(queued[i]);
+			}
 		}
 
 		public virtual int RemainingTimeActual(ProductionItem item)
@@ -552,6 +588,7 @@ namespace OpenRA.Mods.Common.Traits
 		public bool Done { get; private set; }
 		public bool Started { get; private set; }
 		public int Slowdown { get; private set; }
+		public bool Infinite { get; set; }
 
 		readonly ActorInfo ai;
 		readonly BuildableInfo bi;
@@ -567,6 +604,7 @@ namespace OpenRA.Mods.Common.Traits
 			this.pm = pm;
 			ai = Queue.Actor.World.Map.Rules.Actors[Item];
 			bi = ai.TraitInfo<BuildableInfo>();
+			Infinite = false;
 		}
 
 		public void Tick(PlayerResources pr)

OpenRA.Mods.Common/Widgets/ProductionPaletteWidget.cs

@@ -68,6 +68,7 @@ namespace OpenRA.Mods.Common.Widgets
 
 		[Translate] public readonly string ReadyText = "";
 		[Translate] public readonly string HoldText = "";
+		[Translate] public readonly string InfiniteSymbol = "\u221E";
 
 		public int DisplayedIconCount { get; private set; }
 		public int TotalIconCount { get; private set; }
@@ -102,8 +103,8 @@ namespace OpenRA.Mods.Common.Widgets
 
 		readonly WorldRenderer worldRenderer;
 
-		SpriteFont overlayFont;
+		SpriteFont overlayFont, symbolFont;
-		float2 holdOffset, readyOffset, timeOffset, queuedOffset;
+		float2 holdOffset, readyOffset, timeOffset, queuedOffset, infiniteOffset;
 
 		[CustomLintableHotkeyNames]
 		public static IEnumerable<string> LinterHotkeyNames(MiniYamlNode widgetNode, Action<string> emitError, Action<string> emitWarning)
@@ -141,6 +142,9 @@ namespace OpenRA.Mods.Common.Widgets
 			cantBuild = new Animation(world, NotBuildableAnimation);
 			cantBuild.PlayFetchIndex(NotBuildableSequence, () => 0);
 			clock = new Animation(world, ClockAnimation);
+
+			overlayFont = Game.Renderer.Fonts["TinyBold"];
+			Game.Renderer.Fonts.TryGetValue("Symbols", out symbolFont);
 		}
 
 		public override void Initialize(WidgetArgs args)
@@ -283,6 +287,8 @@ namespace OpenRA.Mods.Common.Widgets
 				Game.Sound.Play(SoundType.UI, TabClick);
 				string notification;
 				var canQueue = CurrentQueue.CanQueue(buildable, out notification);
+
+				if (!CurrentQueue.AllQueued().Any(qi => qi.Item == icon.Name && !qi.Paused && qi.Infinite))
 					Game.Sound.PlayNotification(World.Map.Rules, World.LocalPlayer, "Speech", notification, World.LocalPlayer.Faction.InternalName);
 
 				if (canQueue)
@@ -423,12 +429,16 @@ namespace OpenRA.Mods.Common.Widgets
 		{
 			var iconOffset = 0.5f * IconSize.ToFloat2() + IconSpriteOffset;
 
-			overlayFont = Game.Renderer.Fonts["TinyBold"];
 			timeOffset = iconOffset - overlayFont.Measure(WidgetUtils.FormatTime(0, World.Timestep)) / 2;
 			queuedOffset = new float2(4, 2);
 			holdOffset = iconOffset - overlayFont.Measure(HoldText) / 2;
 			readyOffset = iconOffset - overlayFont.Measure(ReadyText) / 2;
 
+			if (ChromeMetrics.TryGet("InfiniteOffset", out infiniteOffset))
+				infiniteOffset += queuedOffset;
+			else
+				infiniteOffset = queuedOffset;
+
 			if (CurrentQueue == null)
 				return;
 
@@ -485,7 +495,11 @@ namespace OpenRA.Mods.Common.Widgets
 							icon.Pos + timeOffset,
 							Color.White, Color.Black, 1);
 
-					if (total > 1 || waiting)
+					if (first.Infinite)
+						symbolFont.DrawTextWithContrast(InfiniteSymbol,
+							icon.Pos + infiniteOffset,
+							Color.White, Color.Black, 1);
+					else if (total > 1 || waiting)
 						overlayFont.DrawTextWithContrast(total.ToString(),
 							icon.Pos + queuedOffset,
 							Color.White, Color.Black, 1);