implemented Black Cyc resources.

VPK and GPK archives,
DWQ images,
VAW and WGQ audio files.

ArcFormats/AudioVAW.cs

@@ -0,0 +1,96 @@
+//! \file       AudioVAW.cs
+//! \date       Sat Aug 01 12:28:22 2015
+//! \brief      Black Cyc audio file.
+//
+// Copyright (C) 2015 by morkt
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to
+// deal in the Software without restriction, including without limitation the
+// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+// sell copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+// IN THE SOFTWARE.
+//
+
+using System;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Linq;
+using System.Text;
+using GameRes.Utility;
+
+namespace GameRes.Formats.BlackCyc
+{
+    [Export(typeof(AudioFormat))]
+    public class VawAudio : AudioFormat
+    {
+        public override string         Tag { get { return "VAW"; } }
+        public override string Description { get { return "Black Cyc audio format"; } }
+        public override uint     Signature { get { return 0; } }
+
+        public VawAudio ()
+        {
+            Extensions = new string[] { "vaw", "wgq" };
+        }
+
+        static readonly Lazy<AudioFormat> WavFormat = new Lazy<AudioFormat> (() => FormatCatalog.Instance.AudioFormats.FirstOrDefault (x => x.Tag == "WAV"));
+        static readonly Lazy<AudioFormat> OggFormat = new Lazy<AudioFormat> (() => FormatCatalog.Instance.AudioFormats.FirstOrDefault (x => x.Tag == "OGG"));
+
+        public override SoundInput TryOpen (Stream file)
+        {
+            var header = ResourceHeader.Read (file);
+            if (null == header)
+                return null;
+            AudioFormat format;
+            int offset;
+            if (0 == header.PackType)
+            {
+                if (4 != file.Read (header.Bytes, 0, 4))
+                    return null;
+                if (!Binary.AsciiEqual (header.Bytes, "RIFF"))
+                    return null;
+                format = WavFormat.Value;
+                offset = 0x40;
+            }
+            else if (2 == header.PackType)
+            {
+                format = OggFormat.Value;
+                offset = 0x6C;
+            }
+            else if (6 == header.PackType && Binary.AsciiEqual (header.Bytes, 0x10, "OGG "))
+            {
+                format = OggFormat.Value;
+                offset = 0x40;
+            }
+            else
+                return null;
+            var input = new StreamRegion (file, offset, file.Length-offset, true);
+            try
+            {
+                return format.TryOpen (input);
+                // FIXME file will be left undisposed
+            }
+            catch
+            {
+                input.Dispose();
+                throw;
+            }
+        }
+
+        public override void Write (SoundInput source, Stream output)
+        {
+            throw new System.NotImplementedException ("EdimFormat.Write not implemenented");
+        }
+    }
+}