Add an in-game encyclopedia to Dune 2000.

OpenRA.Mods.Common/Traits/Encyclopedia.cs

@@ -0,0 +1,35 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2022 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.Traits;
+
+namespace OpenRA.Mods.Common.Traits
+{
+	public class EncyclopediaInfo : TraitInfo
+	{
+		[Desc("Explains the purpose in the in-game encyclopedia.")]
+		public readonly string Description = null;
+
+		[Desc("Number for ordering the list.")]
+		public readonly int Order;
+
+		[Desc("Group under this heading.")]
+		public readonly string Category;
+
+		public override object Create(ActorInitializer init) { return Encyclopedia.Instance; }
+	}
+
+	public class Encyclopedia
+	{
+		public static readonly Encyclopedia Instance = new Encyclopedia();
+		Encyclopedia() { }
+	}
+}