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/UtilityCommands/ConvertPngToShpCommand.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
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using OpenRA.FileFormats;
+using OpenRA.Graphics;
+using OpenRA.Mods.Cnc.SpriteLoaders;
+using OpenRA.Primitives;
+
+namespace OpenRA.Mods.Cnc.UtilityCommands
+{
+	sealed class ConvertPngToShpCommand : IUtilityCommand
+	{
+		string IUtilityCommand.Name => "--shp";
+
+		bool IUtilityCommand.ValidateArguments(string[] args)
+		{
+			return args.Length >= 2;
+		}
+
+		[Desc("PNGFILE [PNGFILE ...]", "Combine a list of PNG images into a SHP")]
+		void IUtilityCommand.Run(Utility utility, string[] args)
+		{
+			var inputFiles = GlobArgs(args).Order().ToList();
+			var dest = inputFiles[0].Split('-').First() + ".shp";
+
+			var frames = inputFiles.ConvertAll(a => new Png(File.OpenRead(a)));
+			if (frames.Any(f => f.Type != SpriteFrameType.Indexed8))
+				throw new InvalidOperationException("All frames must be paletted");
+
+			var size = new Size(frames[0].Width, frames[0].Height);
+			if (frames.Any(f => f.Width != size.Width || f.Height != size.Height))
+				throw new InvalidOperationException("All frames must be the same size");
+
+			using (var destStream = File.Create(dest))
+				ShpTDSprite.Write(destStream, size, frames.Select(f => f.Data));
+
+			Console.WriteLine(dest + " saved.");
+		}
+
+		static IEnumerable<string> GlobArgs(string[] args, int startIndex = 1)
+		{
+			for (var i = startIndex; i < args.Length; i++)
+				foreach (var path in Glob.Expand(args[i]))
+					yield return path;
+		}
+	}
+}