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/ProximityCapturable.cs

@@ -0,0 +1,57 @@
+#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 OpenRA.Graphics;
+using OpenRA.Mods.Common.Graphics;
+using OpenRA.Primitives;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Actor can be captured by units within a certain range.")]
+	public class ProximityCapturableInfo : ProximityCapturableBaseInfo
+	{
+		[Desc("Maximum range at which a " + nameof(ProximityCaptor) + " actor can initiate the capture.")]
+		public readonly WDist Range = WDist.FromCells(5);
+
+		public override object Create(ActorInitializer init) { return new ProximityCapturable(init, this); }
+	}
+
+	public class ProximityCapturable : ProximityCapturableBase
+	{
+		public new readonly ProximityCapturableInfo Info;
+
+		public ProximityCapturable(ActorInitializer init, ProximityCapturableInfo info)
+			: base(init, info)
+		{
+			Info = info;
+		}
+
+		protected override int CreateTrigger(Actor self)
+		{
+			return self.World.ActorMap.AddProximityTrigger(self.CenterPosition, Info.Range, WDist.Zero, ActorEntered, ActorLeft);
+		}
+
+		protected override void RemoveTrigger(Actor self, int trigger)
+		{
+			self.World.ActorMap.RemoveProximityTrigger(trigger);
+		}
+
+		protected override void TickInner(Actor self)
+		{
+			self.World.ActorMap.UpdateProximityTrigger(trigger, self.CenterPosition, Info.Range, WDist.Zero);
+		}
+
+		protected override IRenderable GetRenderable(Actor self, WorldRenderer wr)
+		{
+			return new RangeCircleAnnotationRenderable(self.CenterPosition, Info.Range, 0, self.Owner.Color, 1, Color.Black, 3);
+		}
+	}
+}