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/GrantConditionWhileAiming.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 OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	public class GrantConditionWhileAimingInfo : TraitInfo
+	{
+		[FieldLoader.Require]
+		[GrantedConditionReference]
+		[Desc("The condition to grant while aiming.")]
+		public readonly string Condition = null;
+
+		public override object Create(ActorInitializer init) { return new GrantConditionWhileAiming(this); }
+	}
+
+	public class GrantConditionWhileAiming : INotifyAiming
+	{
+		readonly GrantConditionWhileAimingInfo info;
+
+		int conditionToken = Actor.InvalidConditionToken;
+
+		public GrantConditionWhileAiming(GrantConditionWhileAimingInfo info)
+		{
+			this.info = info;
+		}
+
+		void INotifyAiming.StartedAiming(Actor self, AttackBase attack)
+		{
+			if (conditionToken == Actor.InvalidConditionToken)
+				conditionToken = self.GrantCondition(info.Condition);
+		}
+
+		void INotifyAiming.StoppedAiming(Actor self, AttackBase attack)
+		{
+			if (conditionToken != Actor.InvalidConditionToken)
+				conditionToken = self.RevokeCondition(conditionToken);
+		}
+	}
+}