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/Render/WithDockingAnimation.cs

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+#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 OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits.Render
+{
+	public class WithDockingAnimationInfo : TraitInfo, Requires<WithSpriteBodyInfo>
+	{
+		[SequenceReference]
+		[Desc("Displayed when docking to refinery.")]
+		public readonly string DockSequence = "dock";
+
+		[SequenceReference]
+		[Desc("Looped while unloading at refinery.")]
+		public readonly string DockLoopSequence = "dock-loop";
+
+		public override object Create(ActorInitializer init) { return new WithDockingAnimation(init.Self, this); }
+	}
+
+	public class WithDockingAnimation : IDockClientBody
+	{
+		readonly WithDockingAnimationInfo info;
+		readonly WithSpriteBody wsb;
+
+		public WithDockingAnimation(Actor self, WithDockingAnimationInfo info)
+		{
+			this.info = info;
+			wsb = self.Trait<WithSpriteBody>();
+		}
+
+		void IDockClientBody.PlayDockAnimation(Actor self, Action after)
+		{
+			wsb.PlayCustomAnimation(self, info.DockSequence, () => { wsb.PlayCustomAnimationRepeating(self, info.DockLoopSequence); after(); });
+		}
+
+		void IDockClientBody.PlayReverseDockAnimation(Actor self, Action after)
+		{
+			wsb.PlayCustomAnimationBackwards(self, info.DockSequence, () => after());
+		}
+	}
+}