implemented ALO images and VZY audio.

ArcFormats/ArcFormats.csproj

@@ -93,6 +93,8 @@
     <Compile Include="Aoi\ImageAGF.cs" />
     <Compile Include="ArcARCX.cs" />
     <Compile Include="Artemis\ArcMJA.cs" />
+    <Compile Include="BeF\AudioVZY.cs" />
+    <Compile Include="BeF\ImageALO.cs" />
     <Compile Include="BlackRainbow\ArcCCF.cs" />
     <Compile Include="BlackRainbow\ArcIMP.cs" />
     <Compile Include="BlackRainbow\ArcSPPAK.cs" />

ArcFormats/BeF/AudioVZY.cs

@@ -0,0 +1,73 @@
+//! \file       AudioVZY.cs
+//! \date       2017 Oct 22
+//! \brief      Obfuscated WAVE file.
+//
+// Copyright (C) 2017 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.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.BeF
+{
+    [Export(typeof(AudioFormat))]
+    public class VzyAudio : AudioFormat
+    {
+        public override string         Tag { get { return "VZY"; } }
+        public override string Description { get { return "Obfuscated WAVE audio"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool      CanWrite { get { return false; } }
+
+        public override SoundInput TryOpen (IBinaryStream file)
+        {
+            var header = file.ReadHeader (0x12);
+            if (!header.AsciiEqual ("\0\0\0\0"))
+                return null;
+            int riff_length = header.ToInt32 (4);
+            if (file.Length != riff_length+8)
+                return null;
+            if (!header.AsciiEqual (8, "\0\0\0\0\0\0\0\0"))
+                return null;
+            int header_length = header.ToUInt16 (0x10);
+            if (header_length < 0x10 || header_length > riff_length)
+                return null;
+            header = file.ReadHeader (0x18+header_length);
+            if (!header.AsciiEqual (0x14+header_length, "data"))
+                return null;
+            var header_bytes = new byte[0x10] {
+                (byte)'R', (byte)'I', (byte)'F', (byte)'F', header[4], header[5], header[6], header[7],
+                (byte)'W', (byte)'A', (byte)'V', (byte)'E', (byte)'f', (byte)'m', (byte)'t', (byte)' '
+            };
+            Stream riff = new StreamRegion (file.AsStream, 0x10, true);
+            riff = new PrefixStream (header_bytes, riff);
+            var wav = new BinaryStream (riff, file.Name);
+            try
+            {
+                return Wav.TryOpen (wav);
+            }
+            catch
+            {
+                wav.Dispose();
+                throw;
+            }
+        }
+    }
+}

ArcFormats/BeF/ImageALO.cs

@@ -0,0 +1,76 @@
+//! \file       ImageALO.cs
+//! \date       2017 Oct 22
+//! \brief      Ancient obfuscated BMP image.
+//
+// Copyright (C) 2017 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.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.BeF
+{
+    [Export(typeof(ImageFormat))]
+    public class AloFormat : BmpFormat
+    {
+        public override string         Tag { get { return "ALO"; } }
+        public override string Description { get { return "Obfuscated bitmap"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool      CanWrite { get { return true; } }
+
+        public override ImageMetaData ReadMetaData (IBinaryStream stream)
+        {
+            if (!stream.Name.HasExtension (".alo"))
+                return null;
+            var header = stream.ReadHeader (2);
+            if (0 != header[0] || 0 != header[1])
+                return null;
+            using (var bmp = OpenAsBitmap (stream))
+                return base.ReadMetaData (bmp);
+        }
+
+        public override ImageData Read (IBinaryStream stream, ImageMetaData info)
+        {
+            using (var bmp = OpenAsBitmap (stream))
+                return base.Read (bmp, info);
+        }
+
+        IBinaryStream OpenAsBitmap (IBinaryStream input)
+        {
+            var header = new byte[2] { (byte)'B', (byte)'M' };
+            Stream stream = new StreamRegion (input.AsStream, 2, true);
+            stream = new PrefixStream (header, stream);
+            return new BinaryStream (stream, input.Name);
+        }
+
+        public override void Write (Stream file, ImageData image)
+        {
+            using (var bmp = new MemoryStream())
+            {
+                base.Write (bmp, image);
+                file.WriteByte (0);
+                file.WriteByte (0);
+                bmp.Position = 2;
+                bmp.CopyTo (file);
+            }
+        }
+    }
+}