implemented VFS archives and AOG audio files.

ArcFormats/Aoi/ArcVFS.cs

@@ -0,0 +1,122 @@
+//! \file       ArcVFS.cs
+//! \date       Sun Jan 17 07:41:37 2016
+//! \brief      SofthouseChara resource archive implementation.
+//
+// Copyright (C) 2016 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.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using System.Text;
+
+namespace GameRes.Formats.Aoi
+{
+    [Export(typeof(ArchiveFormat))]
+    public class VfsOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "VFS/AOI"; } }
+        public override string Description { get { return "Aoi engine resource archive"; } }
+        public override uint     Signature { get { return 0; } }
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public VfsOpener ()
+        {
+            Extensions = new string[] { "vfs" };
+            Signatures = new uint[] { 0x01014656, 0x02004656, 0 };
+        }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            int signature = file.View.ReadInt16 (0);
+            if (0x4656 != signature && 0x4C56 != signature)
+                return null;
+            int version = file.View.ReadInt16 (2);
+            int count = file.View.ReadInt16 (4);
+            if (!IsSaneCount (count))
+                return null;
+            int entry_size = file.View.ReadInt16 (6);
+            int index_size = file.View.ReadInt32 (8);
+            if (entry_size <= 0 || index_size <= 0 || file.MaxOffset != file.View.ReadUInt32 (0xC))
+                return null;
+            if (version >= 0x0200)
+                return OpenV2 (file, count, entry_size, index_size);
+
+            int index_offset = 0x10;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = file.View.ReadString (index_offset, 0x13);
+                var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
+                entry.Offset = file.View.ReadUInt32 (index_offset+0x13);
+                entry.Size   = file.View.ReadUInt32 (index_offset+0x17);
+                entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0x1B);
+                entry.IsPacked     = 0 != file.View.ReadByte (index_offset+0x1F);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += entry_size;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        ArcFile OpenV2 (ArcView file, int count, int entry_size, int index_size)
+        {
+            int index_offset = 0x10;
+            int filenames_offset = index_offset + entry_size * count;
+            int filenames_length = file.View.ReadInt32 (filenames_offset);
+            char[] filenames;
+            using (var fn_stream = file.CreateStream (filenames_offset+8, (uint)filenames_length*2))
+            using (var fn_reader = new BinaryReader (fn_stream, Encoding.Unicode))
+                filenames = fn_reader.ReadChars (filenames_length);
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                int name_offset = file.View.ReadInt32 (index_offset);
+                if (name_offset < 0 || name_offset >= filenames.Length)
+                    return null;
+                var name = GetName (filenames, name_offset);
+                if (0 == name.Length)
+                    return null;
+                var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
+                entry.Offset = file.View.ReadUInt32 (index_offset+0xA);
+                entry.Size   = file.View.ReadUInt32 (index_offset+0xE);
+                entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0x12);
+                entry.IsPacked     = 0 != file.View.ReadByte (index_offset+0x16);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += entry_size;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        static string GetName (char[] names, int begin)
+        {
+            int end = Array.IndexOf (names, '\0', begin);
+            if (-1 == end)
+                end = names.Length;
+            return new string (names, begin, end-begin);
+        }
+    }
+}

ArcFormats/Aoi/AudioAOG.cs

@@ -0,0 +1,50 @@
+//! \file       AudioAOG.cs
+//! \date       Sun Jan 17 08:38:31 2016
+//! \brief      Aoi engine audio format (Ogg/Vorbis).
+//
+// Copyright (C) 2016 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 GameRes.Utility;
+using System.ComponentModel.Composition;
+using System.IO;
+
+namespace GameRes.Formats.Aoi
+{
+    [Export(typeof(AudioFormat))]
+    public class AogAudio : AudioFormat
+    {
+        public override string         Tag { get { return "AOG"; } }
+        public override string Description { get { return "Aoi engine audio format"; } }
+        public override uint     Signature { get { return 0x4F696F41; } } // 'AoiO'
+
+        public override SoundInput TryOpen (Stream file)
+        {
+            var header = new byte[0x30];
+            if (header.Length != file.Read (header, 0, header.Length))
+                return null;
+            if (!Binary.AsciiEqual (header, 0, "AoiOgg") || !Binary.AsciiEqual (header, 0x2C, "OggS"))
+                return null;
+            var ogg = new StreamRegion (file, 0x2C);
+            return new OggInput (ogg);
+        }
+    }
+}

ArcFormats/ArcFormats.csproj

@@ -66,6 +66,8 @@
     <Compile Include="Amaterasu\ImageGRP.cs" />
     <Compile Include="AnimeGameSystem\ArcDAT.cs" />
     <Compile Include="AnimeGameSystem\AudioPCM.cs" />
+    <Compile Include="Aoi\ArcVFS.cs" />
+    <Compile Include="Aoi\AudioAOG.cs" />
     <Compile Include="AZSys\ArcEncrypted.cs" />
     <Compile Include="AZSys\FastMersenneTwister.cs" />
     <Compile Include="AZSys\ImageTYP1.cs" />

supported.html

@@ -356,6 +356,7 @@ Dungeon Crusaderz 2 ~Eigou no Rakudo~<br/>
 Onna Kyoushi<br/>
 Magical Witch Academy<br/>
 Medorei ~Okasareta Houkago~<br/>
+Saishuu Chikan Densha<br/>
 Serina<br/>
 Ura Nyuugaku ~Ineki ni Nureta Kyoukasho~<br/>
 </td></tr>
@@ -465,6 +466,7 @@ Kango Sentai Nurse Ranger<br/>
 <tr class="odd"><td>*.abm</td><td><tt>BM</tt></td><td>No</td></tr>
 <tr><td>*.arc<br/>*.xarc<br/>*.bin</td><td><tt>MIKO</tt><br/><tt>KOTORI</tt></td><td>No</td><td rowspan="2">Xuse<br/>ETERNAL</td><td rowspan="2">
 Kikouyoku Senki Gin no Toki no Corona<br/>
+Kikouyoku Senki Tenkuu no Yumina<br/>
 Nega0<br/>
 Seinarukana -The Spirit of Eternity Sword 2-<br/>
 </td></tr>
@@ -496,6 +498,7 @@ Gigai no Alruna<br/>
 </td></tr>
 <tr class="odd"><td>sys4ini.bin<br/>sys3ini.bin<br/>*.alf</td><td><tt>S4IC</tt><br/><tt>S3IC</tt></td><td>No</td><td rowspan="2">Eushully</td><td rowspan="2">
 Soukai no Oujo-tachi<br/>
+Soukai no Valkyria <br/>
 </td></tr>
 <tr class="odd"><td>*.agf</td><td><tt>ACGF</tt></td><td>No</td></tr>
 <tr><td>*.dat</td><td><tt>DX</tt></td><td>No</td><td>Flat</td><td>
@@ -613,6 +616,11 @@ Majidashi! Royale ~Finish wa Watashi no Naka de~<br/>
 MILK Junkies<br/>
 </td></tr>
 <tr class="odd"><td>*.zbm</td><td><tt>amp_</tt></td><td>No</td></tr>
+<tr><td>*.vfs</td><td><tt>VF</tt></td><td>No</td><td rowspan="3">Aoi</td><td rowspan="3">
+Dancing Crazies<br/>
+</td></tr>
+<tr><td>*.iph</td><td><tt>RIFF....IPH fmt</tt></td><td>No</td></tr>
+<tr><td>*.aog</td><td><tt>AoiOgg</tt></td><td>No</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>