Add lint rule for Death Types

OpenRA.Mods.Common/Lint/CheckDeathTypes.cs

@@ -0,0 +1,59 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System;
+using System.Linq;
+using OpenRA.GameRules;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	class CheckDeathTypes : ILintPass
+	{
+		public void Run(Action<string> emitError, Action<string> emitWarning, Map map)
+		{
+			foreach (var actorInfo in map.Rules.Actors)
+			{
+				var animations = actorInfo.Value.Traits.WithInterface<WithDeathAnimationInfo>().ToList();
+				if (!animations.Any())
+					continue;
+
+				var deathTypes = animations.SelectMany(x => x.DeathTypes.Select(y => y.Key)).ToList();
+				if (!deathTypes.Any())
+					continue;
+
+				var targetable = actorInfo.Value.Traits.WithInterface<ITargetableInfo>().SelectMany(x => x.GetTargetTypes()).ToList();
+				if (!targetable.Any())
+					continue;
+
+				foreach (var weaponInfo in map.Rules.Weapons)
+				{
+					var warheads = weaponInfo.Value.Warheads.OfType<DamageWarhead>().Where(dw => dw.Damage > 0);
+
+					foreach (var warhead in warheads)
+					{
+						// This is a special warhead, like the one on `weathering` in D2k.
+						if (!warhead.DamageTypes.Any())
+							continue;
+
+						// This warhead cannot affect this actor.
+						if (!warhead.ValidTargets.Intersect(targetable).Any())
+							continue;
+
+						if (!warhead.DamageTypes.Intersect(deathTypes).Any())
+							emitError("Actor type `{0}` does not define a death animation for weapon `{1}`!"
+								.F(actorInfo.Key, weaponInfo.Key));
+					}
+				}
+			}
+		}
+	}
+}