Give EngineerRepair(able) more generic names

OpenRA.Mods.Common/Activities/InstantRepair.cs

@@ -0,0 +1,79 @@
+#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.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Activities
+{
+	class InstantRepair : Enter
+	{
+		readonly InstantlyRepairsInfo info;
+
+		Actor enterActor;
+		IHealth enterHealth;
+		InstantlyRepairable enterInstantlyRepariable;
+
+		public InstantRepair(Actor self, in Target target, InstantlyRepairsInfo info)
+			: base(self, target, info.TargetLineColor)
+		{
+			this.info = info;
+		}
+
+		protected override bool TryStartEnter(Actor self, Actor targetActor)
+		{
+			enterActor = targetActor;
+			enterHealth = targetActor.TraitOrDefault<IHealth>();
+			enterInstantlyRepariable = targetActor.TraitOrDefault<InstantlyRepairable>();
+
+			// Make sure we can still repair the target before entering
+			// (but not before, because this may stop the actor in the middle of nowhere)
+			var stance = self.Owner.RelationshipWith(enterActor.Owner);
+			if (enterHealth == null || enterHealth.DamageState == DamageState.Undamaged || enterInstantlyRepariable == null || enterInstantlyRepariable.IsTraitDisabled || !info.ValidRelationships.HasRelationship(stance))
+			{
+				Cancel(self, true);
+				return false;
+			}
+
+			return true;
+		}
+
+		protected override void OnEnterComplete(Actor self, Actor targetActor)
+		{
+			// Make sure the target hasn't changed while entering
+			// OnEnterComplete is only called if targetActor is alive
+			if (targetActor != enterActor)
+				return;
+
+			if (enterInstantlyRepariable.IsTraitDisabled)
+				return;
+
+			if (enterHealth.DamageState == DamageState.Undamaged)
+				return;
+
+			var stance = self.Owner.RelationshipWith(enterActor.Owner);
+			if (!info.ValidRelationships.HasRelationship(stance))
+				return;
+
+			if (enterHealth.DamageState == DamageState.Undamaged)
+				return;
+
+			enterActor.InflictDamage(self, new Damage(-enterHealth.MaxHP));
+			if (!string.IsNullOrEmpty(info.RepairSound))
+				Game.Sound.Play(SoundType.World, info.RepairSound, enterActor.CenterPosition);
+
+			if (info.EnterBehaviour == EnterBehaviour.Dispose)
+				self.Dispose();
+			else if (info.EnterBehaviour == EnterBehaviour.Suicide)
+				self.Kill(self);
+		}
+	}
+}