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/Activities/Turn.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.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Activities
+{
+	public class Turn : Activity
+	{
+		readonly Mobile mobile;
+		readonly IFacing facing;
+		readonly WAngle desiredFacing;
+
+		public Turn(Actor self, WAngle desiredFacing)
+		{
+			mobile = self.TraitOrDefault<Mobile>();
+			facing = self.Trait<IFacing>();
+			this.desiredFacing = desiredFacing;
+		}
+
+		public override bool Tick(Actor self)
+		{
+			if (IsCanceling)
+				return true;
+
+			if (mobile != null && (mobile.IsTraitDisabled || mobile.IsTraitPaused))
+				return false;
+
+			if (desiredFacing == facing.Facing)
+				return true;
+
+			facing.Facing = Util.TickFacing(facing.Facing, desiredFacing, facing.TurnSpeed);
+
+			return false;
+		}
+	}
+}