Added audio.bag/audio.idx support used in RA2

2015-03-01 19:33:51 +01:00
parent bec56ee5b6
commit 8cf7c46c8f
6 changed files with 452 additions and 0 deletions
--- a/OpenRA.Game/FileSystem/IdxEntry.cs
+++ b/OpenRA.Game/FileSystem/IdxEntry.cs
@@ -0,0 +1,94 @@
+#region Copyright & License Information
+/*
+ * Copyright 2007-2015 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. For more information,
+ * see COPYING.
+ */
+#endregion
+
+using System.Collections.Generic;
+using System.IO;
+
+namespace OpenRA.FileSystem
+{
+	public class IdxEntry
+	{
+		public const string DefaultExtension = "wav";
+
+		public readonly uint Hash;
+		public readonly string Name;
+		public readonly string Extension;
+		public readonly uint Offset;
+		public readonly uint Length;
+		public readonly uint SampleRate;
+		public readonly uint Flags;
+		public readonly uint ChunkSize;
+
+		public IdxEntry(uint hash, uint offset, uint length, uint sampleRate, uint flags, uint chuckSize)
+		{
+			Hash = hash;
+			Offset = offset;
+			Length = length;
+			SampleRate = sampleRate;
+			Flags = flags;
+			ChunkSize = chuckSize;
+		}
+
+		public IdxEntry(Stream s)
+		{
+			var asciiname = s.ReadASCII(16);
+
+			var pos = asciiname.IndexOf('\0');
+			if (pos != 0)
+				asciiname = asciiname.Substring(0, pos);
+
+			Name = asciiname;
+			Extension = DefaultExtension;
+			Offset = s.ReadUInt32();
+			Length = s.ReadUInt32();
+			SampleRate = s.ReadUInt32();
+			Flags = s.ReadUInt32();
+			ChunkSize = s.ReadUInt32();
+			Hash = HashFilename(string.Concat(Name, ".", Extension), PackageHashType.CRC32);
+		}
+
+		public void Write(BinaryWriter w)
+		{
+			w.Write(Name.PadRight(16, '\0'));
+			w.Write(Offset);
+			w.Write(Length);
+			w.Write(SampleRate);
+			w.Write(Flags);
+			w.Write(ChunkSize);
+		}
+
+		public override string ToString()
+		{
+			string filename;
+			if (names.TryGetValue(Hash, out filename))
+				return "{0} - offset 0x{1:x8} - length 0x{2:x8}".F(filename, Offset, Length);
+			else
+				return "0x{0:x8} - offset 0x{1:x8} - length 0x{2:x8}".F(Hash, Offset, Length);
+		}
+
+		public static uint HashFilename(string name, PackageHashType type)
+		{
+			return PackageEntry.HashFilename(name, type);
+		}
+
+		static Dictionary<uint, string> names = new Dictionary<uint, string>();
+
+		public static void AddStandardName(string s)
+		{
+			// RA1 and TD
+			var hash = HashFilename(s, PackageHashType.Classic);
+			names.Add(hash, s);
+
+			// TS
+			var crcHash = HashFilename(s, PackageHashType.CRC32);
+			names.Add(crcHash, s);
+		}
+	}
+}