Initial commit: OpenRA game engine

Fork from OpenRA/OpenRA with one-click launch script (start-ra.cmd)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

OpenRA.Game/Primitives/ActorInfoDictionary.cs

@@ -0,0 +1,56 @@
+#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 System;
+using System.Collections;
+using System.Collections.Generic;
+
+namespace OpenRA
+{
+	public class ActorInfoDictionary : IReadOnlyDictionary<string, ActorInfo>
+	{
+		readonly Dictionary<string, ActorInfo> dict;
+
+		public ActorInfoDictionary(IReadOnlyDictionary<string, ActorInfo> dict)
+		{
+			ArgumentNullException.ThrowIfNull(dict);
+
+			this.dict = new Dictionary<string, ActorInfo>(dict);
+
+			// Include an empty entry for each system actor to guarantee that
+			// they will be defined even if not specified in the mod yaml
+			foreach (var systemActor in Enum.GetValues<SystemActors>())
+			{
+				var key = systemActor.ToString().ToLowerInvariant();
+				if (!dict.ContainsKey(key))
+					this.dict[key] = new ActorInfo(key);
+			}
+		}
+
+		public bool ContainsKey(string key) => dict.ContainsKey(key);
+
+		public bool TryGetValue(string key, out ActorInfo value) => dict.TryGetValue(key, out value);
+
+		public int Count => dict.Count;
+
+		public ActorInfo this[string key] => dict[key];
+		public ActorInfo this[SystemActors key] => dict[key.ToString().ToLowerInvariant()];
+
+		IEnumerable<string> IReadOnlyDictionary<string, ActorInfo>.Keys => dict.Keys;
+		IEnumerable<ActorInfo> IReadOnlyDictionary<string, ActorInfo>.Values => dict.Values;
+
+		public ICollection<string> Keys => dict.Keys;
+		public ICollection<ActorInfo> Values => dict.Values;
+
+		public IEnumerator<KeyValuePair<string, ActorInfo>> GetEnumerator() => dict.GetEnumerator();
+		IEnumerator IEnumerable.GetEnumerator() => dict.GetEnumerator();
+	}
+}