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.Cnc/FileFormats/IdxEntry.cs

@@ -0,0 +1,45 @@
+#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.IO;
+
+namespace OpenRA.Mods.Cnc.FileFormats
+{
+	public class IdxEntry
+	{
+		public readonly string Filename;
+		public readonly uint Offset;
+		public readonly uint Length;
+		public readonly uint SampleRate;
+		public readonly uint Flags;
+		public readonly uint ChunkSize;
+
+		public IdxEntry(Stream s)
+		{
+			var name = s.ReadASCII(16);
+			var pos = name.IndexOf('\0');
+			if (pos != 0)
+				name = name[..pos];
+
+			Filename = $"{name}.wav";
+			Offset = s.ReadUInt32();
+			Length = s.ReadUInt32();
+			SampleRate = s.ReadUInt32();
+			Flags = s.ReadUInt32();
+			ChunkSize = s.ReadUInt32();
+		}
+
+		public override string ToString()
+		{
+			return $"{Filename} - offset 0x{Offset:x8} - length 0x{Length:x8}";
+		}
+	}
+}