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/Conditions/GrantRandomCondition.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.Collections.Immutable;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits.Conditions
+{
+	[Desc("Grants a random condition from a predefined list to the actor when created.")]
+	public class GrantRandomConditionInfo : TraitInfo
+	{
+		[FieldLoader.Require]
+		[GrantedConditionReference]
+		[Desc("List of conditions to grant from.")]
+		public readonly ImmutableArray<string> Conditions = default;
+
+		public override object Create(ActorInitializer init) { return new GrantRandomCondition(this); }
+	}
+
+	public class GrantRandomCondition : INotifyCreated
+	{
+		readonly GrantRandomConditionInfo info;
+
+		public GrantRandomCondition(GrantRandomConditionInfo info)
+		{
+			this.info = info;
+		}
+
+		void INotifyCreated.Created(Actor self)
+		{
+			if (info.Conditions.Length == 0)
+				return;
+
+			var condition = info.Conditions.Random(self.World.SharedRandom);
+			self.GrantCondition(condition);
+		}
+	}
+}