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/Attack/AttackFrontal.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.Activities;
+using OpenRA.Primitives;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	[Desc("Unit got to face the target")]
+	public class AttackFrontalInfo : AttackBaseInfo, Requires<IFacingInfo>
+	{
+		public override object Create(ActorInitializer init) { return new AttackFrontal(init.Self, this); }
+	}
+
+	public class AttackFrontal : AttackBase
+	{
+		public new readonly AttackFrontalInfo Info;
+
+		public AttackFrontal(Actor self, AttackFrontalInfo info)
+			: base(self, info)
+		{
+			Info = info;
+		}
+
+		protected override bool CanAttack(Actor self, in Target target)
+		{
+			if (!base.CanAttack(self, target))
+				return false;
+
+			return TargetInFiringArc(self, target, Info.FacingTolerance);
+		}
+
+		public override Activity GetAttackActivity(
+			Actor self, AttackSource source, in Target newTarget, bool allowMove, bool forceAttack, Color? targetLineColor = null)
+		{
+			return new Activities.Attack(self, newTarget, allowMove, forceAttack, targetLineColor);
+		}
+	}
+}