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/Support/Benchmark.cs

@@ -0,0 +1,53 @@
+#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 System.Globalization;
+
+namespace OpenRA.Support
+{
+	sealed class Benchmark
+	{
+		readonly string prefix;
+		readonly Dictionary<string, List<BenchmarkPoint>> samples = [];
+
+		public Benchmark(string prefix)
+		{
+			this.prefix = prefix;
+		}
+
+		public void Tick(int localTick)
+		{
+			foreach (var item in PerfHistory.Items)
+				samples.GetOrAdd(item.Key).Add(new BenchmarkPoint(localTick, item.Value.LastValue));
+		}
+
+		readonly record struct BenchmarkPoint(int Tick, double Value);
+
+		public void Write()
+		{
+			foreach (var sample in samples)
+			{
+				var name = sample.Key;
+				Log.AddChannel(name, $"{prefix}{name}.csv");
+				Log.Write(name, "tick,time [ms]");
+
+				foreach (var point in sample.Value)
+					Log.Write(name, $"{point.Tick},{point.Value.ToString(CultureInfo.InvariantCulture)}");
+			}
+		}
+
+		public void Reset()
+		{
+			samples.Clear();
+		}
+	}
+}