Rename FlyTimed to FlyForward

OpenRA.Mods.Common/Activities/Air/FlyForward.cs

@@ -0,0 +1,47 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2020 The OpenRA Developers (see AUTHORS)
+ * 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;
+
+namespace OpenRA.Mods.Common.Activities
+{
+	public class FlyForward : Activity
+	{
+		readonly Aircraft aircraft;
+		readonly WDist cruiseAltitude;
+		int remainingTicks;
+
+		public FlyForward(int ticks, Actor self)
+		{
+			remainingTicks = ticks;
+			aircraft = self.Trait<Aircraft>();
+			cruiseAltitude = aircraft.Info.CruiseAltitude;
+		}
+
+		public override bool Tick(Actor self)
+		{
+			// Refuse to take off if it would land immediately again.
+			if (aircraft.ForceLanding)
+			{
+				Cancel(self);
+				return true;
+			}
+
+			if (IsCanceling || remainingTicks-- == 0)
+				return true;
+
+			Fly.FlyTick(self, aircraft, aircraft.Facing, cruiseAltitude);
+
+			return false;
+		}
+	}
+}