Move classic-mod package loaders and support files to Mods.Cnc.

OpenRA.Mods.Cnc/FileFormats/XccLocalDatabase.cs

@@ -0,0 +1,68 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2017 The OpenRA Developers (see AUTHORS)
+ * 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.IO;
+using System.Linq;
+using System.Text;
+
+namespace OpenRA.Mods.Cnc.FileFormats
+{
+	public class XccLocalDatabase
+	{
+		public readonly string[] Entries;
+		public XccLocalDatabase(Stream s)
+		{
+			// Skip unnecessary header data
+			s.Seek(48, SeekOrigin.Begin);
+			var reader = new BinaryReader(s);
+			var count = reader.ReadInt32();
+			Entries = new string[count];
+			for (var i = 0; i < count; i++)
+			{
+				var chars = new List<char>();
+				char c;
+				while ((c = reader.ReadChar()) != 0)
+					chars.Add(c);
+
+				Entries[i] = new string(chars.ToArray());
+			}
+		}
+
+		public XccLocalDatabase(IEnumerable<string> filenames)
+		{
+			Entries = filenames.ToArray();
+		}
+
+		public byte[] Data()
+		{
+			var data = new MemoryStream();
+			using (var writer = new BinaryWriter(data))
+			{
+				writer.Write(Encoding.ASCII.GetBytes("XCC by Olaf van der Spek"));
+				writer.Write(new byte[] { 0x1A, 0x04, 0x17, 0x27, 0x10, 0x19, 0x80, 0x00 });
+
+				writer.Write(Entries.Aggregate(Entries.Length, (a, b) => a + b.Length) + 52); // Size
+				writer.Write(0); // Type
+				writer.Write(0); // Version
+				writer.Write(0); // Game/Format (0 == TD)
+				writer.Write(Entries.Length); // Entries
+				foreach (var e in Entries)
+				{
+					writer.Write(Encoding.ASCII.GetBytes(e));
+					writer.Write((byte)0);
+				}
+			}
+
+			return data.ToArray();
+		}
+	}
+}