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/Graphics/PaletteReference.cs

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+#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.Graphics
+{
+	public sealed class PaletteReference
+	{
+		readonly HardwarePalette hardwarePalette;
+
+		public readonly string Name;
+		public IPalette Palette { get; internal set; }
+		public int TextureIndex { get; }
+
+		public PaletteReference(string name, int index, IPalette palette, HardwarePalette hardwarePalette)
+		{
+			Name = name;
+			Palette = palette;
+			TextureIndex = index;
+			this.hardwarePalette = hardwarePalette;
+		}
+
+		public bool HasColorShift => hardwarePalette.HasColorShift(Name);
+	}
+}