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/Map/TileReference.cs

@@ -0,0 +1,46 @@
+#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
+
+namespace OpenRA
+{
+	public readonly struct TerrainTile(ushort type, byte index)
+	{
+		public readonly ushort Type = type;
+		public readonly byte Index = index;
+
+		public override int GetHashCode() { return Type.GetHashCode() ^ Index.GetHashCode(); }
+
+		public override string ToString() { return Type + "," + Index; }
+
+		public static bool TryParse(string s, out TerrainTile tt)
+		{
+			var split = s.Split(',');
+			if (split.Length == 2 &&
+				Exts.TryParseUshortInvariant(split[0], out var type) &&
+				Exts.TryParseByteInvariant(split[1], out var index))
+			{
+				tt = new TerrainTile(type, index);
+				return true;
+			}
+
+			tt = default;
+			return false;
+		}
+	}
+
+	public readonly struct ResourceTile(byte type, byte index)
+	{
+		public readonly byte Type = type;
+		public readonly byte Index = index;
+
+		public override int GetHashCode() { return Type.GetHashCode() ^ Index.GetHashCode(); }
+	}
+}