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/GameSpeed.cs

@@ -0,0 +1,62 @@
+#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.Traits;
+
+namespace OpenRA
+{
+	public class GameSpeed
+	{
+		[FluentReference]
+		[FieldLoader.Require]
+		public readonly string Name;
+
+		[FieldLoader.Require]
+		public readonly int Timestep;
+
+		[FieldLoader.Require]
+		public readonly int OrderLatency;
+	}
+
+	public class GameSpeeds : IGlobalModData
+	{
+		[FieldLoader.Require]
+		public readonly string DefaultSpeed;
+
+		[IncludeFluentReferences(LintDictionaryReference.Values)]
+		[FieldLoader.LoadUsing(nameof(LoadSpeeds))]
+		public readonly Dictionary<string, GameSpeed> Speeds;
+
+		static object LoadSpeeds(MiniYaml y)
+		{
+			var ret = new Dictionary<string, GameSpeed>();
+			var speedsNode = y.NodeWithKeyOrDefault("Speeds");
+			if (speedsNode == null)
+				throw new YamlException("Error parsing GameSpeeds: Missing Speeds node!");
+
+			foreach (var node in speedsNode.Value.Nodes)
+			{
+				try
+				{
+					ret.Add(node.Key, FieldLoader.Load<GameSpeed>(node.Value));
+				}
+				catch (FieldLoader.MissingFieldsException e)
+				{
+					var label = e.Missing.Length > 1 ? "Required properties missing" : "Required property missing";
+					throw new YamlException($"Error parsing GameSpeed {node.Key}: {label}: {e.Missing.JoinWith(", ")}");
+				}
+			}
+
+			return ret;
+		}
+	}
+}