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/WithAcceptDeliveredCashAnimation.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.Linq;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits.Render
+{
+	[Desc("Replaces the building animation when it accepts a cash delivery unit.")]
+	public class WithAcceptDeliveredCashAnimationInfo : ConditionalTraitInfo, Requires<WithSpriteBodyInfo>
+	{
+		[SequenceReference]
+		[Desc("Sequence name to use")]
+		public readonly string Sequence = "active";
+
+		[Desc("Which sprite body to play the animation on.")]
+		public readonly string Body = "body";
+
+		public override object Create(ActorInitializer init) { return new WithAcceptDeliveredCashAnimation(init.Self, this); }
+	}
+
+	public class WithAcceptDeliveredCashAnimation : ConditionalTrait<WithAcceptDeliveredCashAnimationInfo>, INotifyCashTransfer
+	{
+		readonly WithSpriteBody wsb;
+
+		public WithAcceptDeliveredCashAnimation(Actor self, WithAcceptDeliveredCashAnimationInfo info)
+			: base(info)
+		{
+			wsb = self.TraitsImplementing<WithSpriteBody>().Single(w => w.Info.Name == info.Body);
+		}
+
+		bool playing;
+		void INotifyCashTransfer.OnAcceptingCash(Actor self, Actor donor)
+		{
+			if (IsTraitDisabled || playing)
+				return;
+
+			playing = true;
+			wsb.PlayCustomAnimation(self, Info.Sequence, () => playing = false);
+		}
+
+		void INotifyCashTransfer.OnDeliveringCash(Actor self, Actor acceptor) { }
+	}
+}