Moves Lint checks to Mods.Common

OpenRA.Mods.Common/Lint/LintBuildablePrerequisites.cs

@@ -0,0 +1,51 @@
+#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.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Lint
+{
+	class LintBuildablePrerequisites : ILintPass
+	{
+		public void Run(Action<string> emitError, Action<string> emitWarning, Map map)
+		{
+			// Buildings provide their actor names as a prerequisite
+			var buildingPrereqs = map.Rules.Actors.Where(a => a.Value.Traits.Contains<BuildingInfo>())
+				.Select(a => a.Key);
+
+			// ProvidesCustomPrerequisite allows arbitrary prereq definitions
+			var customPrereqs = map.Rules.Actors.SelectMany(a => a.Value.Traits
+				.WithInterface<ProvidesCustomPrerequisiteInfo>())
+				.Select(p => p.Prerequisite);
+
+			// ProvidesTechPrerequisite allows arbitrary prereq definitions
+			// (but only one group at a time during gameplay)
+			var techPrereqs = map.Rules.Actors.SelectMany(a => a.Value.Traits
+				.WithInterface<ProvidesTechPrerequisiteInfo>())
+				.SelectMany(p => p.Prerequisites);
+
+			var providedPrereqs = buildingPrereqs.Concat(customPrereqs).Concat(techPrereqs);
+
+			// TODO: this check is case insensitive while the real check in-game is not
+			foreach (var i in map.Rules.Actors)
+			{
+				var bi = i.Value.Traits.GetOrDefault<BuildableInfo>();
+				if (bi != null)
+					foreach (var prereq in bi.Prerequisites)
+						if (!prereq.StartsWith("~disabled"))
+							if (!providedPrereqs.Contains(prereq.Replace("!", "").Replace("~", "")))
+								emitError("Buildable actor {0} has prereq {1} not provided by anything.".F(i.Key, prereq));
+			}
+		}
+	}
+}