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.Mods.Common/Commands/ChatCommands.cs

@@ -0,0 +1,63 @@
+#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.Collections.Generic;
+using OpenRA.Mods.Common.Traits;
+using OpenRA.Traits;
+
+namespace OpenRA.Mods.Common.Commands
+{
+	[TraitLocation(SystemActors.World)]
+	[IncludeStaticFluentReferences(typeof(ChatCommands))]
+	[Desc("Enables commands triggered by typing them into the chatbox. Attach this to the world actor.")]
+	public class ChatCommandsInfo : TraitInfo<ChatCommands> { }
+
+	public class ChatCommands : INotifyChat
+	{
+		[FluentReference("name")]
+		const string InvalidCommand = "notification-invalid-command";
+
+		public Dictionary<string, IChatCommand> Commands { get; }
+
+		public ChatCommands()
+		{
+			Commands = [];
+		}
+
+		public bool OnChat(string playername, string message)
+		{
+			if (message.StartsWith('/'))
+			{
+				var name = message[1..].Split(' ')[0].ToLowerInvariant();
+
+				if (Commands.TryGetValue(name, out var command))
+					command.InvokeCommand(name, message[(1 + name.Length)..].Trim());
+				else
+					TextNotificationsManager.Debug(FluentProvider.GetMessage(InvalidCommand, "name", name));
+
+				return false;
+			}
+
+			return true;
+		}
+
+		public void RegisterCommand(string name, IChatCommand command)
+		{
+			// Override possible duplicates instead of crashing.
+			Commands[name.ToLowerInvariant()] = command;
+		}
+	}
+
+	public interface IChatCommand
+	{
+		void InvokeCommand(string command, string arg);
+	}
+}