Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Mods.Common/Traits/ProductionQueueFromSelection.cs

@@ -0,0 +1,75 @@
+#region Copyright & License Information
+/*
+ * Copyright (c) The OpenRA Developers and Contributors
+ * This file is part of OpenRA, which is free software. It is made
+ * available to you under the terms of the GNU General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version. For more
+ * information, see COPYING.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using OpenRA.Mods.Common.Widgets;
+using OpenRA.Traits;
+using OpenRA.Widgets;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[TraitLocation(SystemActors.World)]
+	sealed class ProductionQueueFromSelectionInfo : TraitInfo
+	{
+		public readonly string ProductionTabsWidget = null;
+		public readonly string ProductionPaletteWidget = null;
+
+		public override object Create(ActorInitializer init) { return new ProductionQueueFromSelection(init.World, this); }
+	}
+
+	sealed class ProductionQueueFromSelection : INotifySelection
+	{
+		readonly World world;
+		readonly Lazy<ProductionTabsWidget> tabsWidget;
+		readonly Lazy<ProductionPaletteWidget> paletteWidget;
+
+		public ProductionQueueFromSelection(World world, ProductionQueueFromSelectionInfo info)
+		{
+			this.world = world;
+
+			tabsWidget = Exts.Lazy(() => Ui.Root.GetOrNull(info.ProductionTabsWidget) as ProductionTabsWidget);
+			paletteWidget = Exts.Lazy(() => Ui.Root.GetOrNull(info.ProductionPaletteWidget) as ProductionPaletteWidget);
+		}
+
+		void INotifySelection.SelectionChanged()
+		{
+			// Disable for spectators
+			if (world.LocalPlayer == null)
+				return;
+
+			// Queue-per-actor
+			var queue = world.Selection.Actors
+				.Where(a => a.IsInWorld && a.World.LocalPlayer == a.Owner)
+				.SelectMany(a => a.TraitsImplementing<ProductionQueue>())
+				.FirstOrDefault(q => q.Enabled);
+
+			// Queue-per-player
+			if (queue == null)
+			{
+				var types = world.Selection.Actors.Where(a => a.IsInWorld && a.World.LocalPlayer == a.Owner)
+					.SelectMany(a => a.TraitsImplementing<Production>().Where(p => !p.IsTraitDisabled))
+					.SelectMany(t => t.Info.Produces);
+
+				queue = world.LocalPlayer.PlayerActor.TraitsImplementing<ProductionQueue>()
+					.FirstOrDefault(q => q.Enabled && types.Contains(q.Info.Type));
+			}
+
+			if (queue == null || !queue.AnyItemsToBuild())
+				return;
+
+			if (tabsWidget.Value != null)
+				tabsWidget.Value.CurrentQueue = queue;
+			else if (paletteWidget.Value != null)
+				paletteWidget.Value.CurrentQueue = queue;
+		}
+	}
+}