implemented PBX "Pandora.box" archives.

ArcFormats/ArcFormats.csproj

@@ -66,6 +66,7 @@
     <Compile Include="Amaterasu\ImageGRP.cs" />
     <Compile Include="AnimeGameSystem\ArcDAT.cs" />
     <Compile Include="AnimeGameSystem\AudioPCM.cs" />
+    <Compile Include="ArcPBX.cs" />
     <Compile Include="Eushully\ArcGPC.cs" />
     <Compile Include="Eushully\ImageGP.cs" />
     <Compile Include="FC01\WidgetMCG.xaml.cs">

ArcFormats/ArcPBX.cs

@@ -0,0 +1,189 @@
+//! \file       ArcPBX.cs
+//! \date       Fri Nov 27 01:33:38 2015
+//! \brief      Terios resource archive.
+//
+// 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.Collections.Generic;
+using System.ComponentModel.Composition;
+using System.IO;
+using GameRes.Utility;
+
+namespace GameRes.Formats.Terios
+{
+    [Export(typeof(ArchiveFormat))]
+    public class PbxOpener : ArchiveFormat
+    {
+        public override string         Tag { get { return "PBX"; } }
+        public override string Description { get { return "\"Pandora.box\" resource archive"; } }
+        public override uint     Signature { get { return 0x646E6150; } } // 'Pand'
+        public override bool  IsHierarchic { get { return false; } }
+        public override bool     CanCreate { get { return false; } }
+
+        public override ArcFile TryOpen (ArcView file)
+        {
+            if (!file.View.AsciiEqual (4, "ora.box\0"))
+                return null;
+            uint next_offset = file.View.ReadUInt32 (0xC);
+            if (next_offset > file.View.Reserve (0, next_offset))
+                return null;
+            uint index_offset = 0x10;
+            int count = (int)(next_offset-0x10) / 0x10;
+            var dir = new List<Entry> (count);
+            for (int i = 0; i < count; ++i)
+            {
+                var name = file.View.ReadString (index_offset, 0xC);
+                var entry = FormatCatalog.Instance.Create<Entry> (name);
+                entry.Offset = next_offset;
+                next_offset = file.View.ReadUInt32 (index_offset+0xC);
+                entry.Size = (uint)(next_offset - entry.Offset);
+                if (!entry.CheckPlacement (file.MaxOffset))
+                    return null;
+                dir.Add (entry);
+                index_offset += 0x10;
+            }
+            return new ArcFile (file, this, dir);
+        }
+
+        public override Stream OpenEntry (ArcFile arc, Entry entry)
+        {
+            if (entry.Size <= 0x10 || 0x6344764D != arc.File.View.ReadUInt32 (entry.Offset))
+                return base.OpenEntry (arc, entry);
+            try
+            {
+                int unpacked_size = arc.File.View.ReadInt32 (entry.Offset+8);
+                using (var input = arc.File.CreateStream (entry.Offset+0x10, entry.Size-0x10))
+                using (var reader = new PandoraCompression (input, unpacked_size))
+                {
+                    var data = reader.Unpack();
+                    return new MemoryStream (data);
+                }
+            }
+            catch
+            {
+                // in case of decompression error return compressed data
+                return base.OpenEntry (arc, entry);
+            }
+        }
+    }
+
+    internal sealed class PandoraCompression : IDisposable
+    {
+        BinaryReader    m_input;
+        byte[]          m_output;
+
+        public byte[] Data { get { return m_output; } }
+
+        public PandoraCompression (Stream input, int unpacked_size)
+        {
+            m_input = new ArcView.Reader (input);
+            m_output = new byte[unpacked_size];
+        }
+
+        public byte[] Unpack ()
+        {
+            int dst = 0;
+            m_output[dst++] = m_input.ReadByte();
+            while (dst < m_output.Length)
+            {
+                int ctl = m_input.ReadByte();
+                int count;
+                if (ctl >= 0x80)
+                {
+                    if (ctl >= 0xC0)
+                    {
+                        int offset = m_input.ReadByte();
+                        offset += 0x101 + ((ctl & 0x3F) << 8);
+                        offset = dst - offset;
+                        if (offset < 0)
+                            throw new InvalidFormatException();
+                        m_output[dst++] = m_output[offset++];
+                        m_output[dst++] = m_output[offset++];
+                        m_output[dst++] = m_output[offset++];
+                    }
+                    else
+                    {
+                        if (ctl >= 0xB0)
+                        {
+                            count = Binary.BigEndian (m_input.ReadUInt16());
+                            count += 0x813 + ((ctl & 7) << 16);
+                            ctl &= 8;
+                        }
+                        else if (ctl >= 0xA0)
+                        {
+                            count = m_input.ReadByte() + ((ctl & 7) << 8) + 19;
+                            ctl &= 8;
+                        }
+                        else
+                        {
+                            count = (ctl & 0xF) + 3;
+                            ctl &= 0x10;
+                        }
+                        int offset;
+                        if (ctl != 0)
+                        {
+                            offset = Binary.BigEndian (m_input.ReadUInt16()) + 0x101;
+                        }
+                        else
+                        {
+                            offset = m_input.ReadByte() + 1;
+                        }
+                        Binary.CopyOverlapped (m_output, dst - offset, dst, count);
+                        dst += count;
+                    }
+                }
+                else
+                {
+                    if (ctl >= 0x60)
+                    {
+                        count = Binary.BigEndian (m_input.ReadUInt16());
+                        count += 0x2041 + ((ctl & 0x1F) << 16);
+                    }
+                    if (ctl >= 0x40)
+                    {
+                        count = m_input.ReadByte() + ((ctl & 0x1F) << 8) + 0x41;
+                    }
+                    else
+                    {
+                        count = ctl + 1;
+                    }
+                    count = m_input.Read (m_output, dst, count);
+                    dst += count;
+                }
+            }
+            return m_output;
+        }
+
+        #region IDisposable Members
+        bool _disposed = false;
+        public void Dispose ()
+        {
+            if (!_disposed)
+            {
+                m_input.Dispose();
+                _disposed = true;
+            }
+        }
+        #endregion
+    }
+}

supported.html

@@ -219,6 +219,7 @@ Michibikareshi Mono-tachi no Rakuen ~BEDLAM~<br/>
 Onsen Kankou Yukemuri Chijou<br/>
 Ryoujoku Costume Play<br/>
 Seikoujo Claudia<br/>
+Taijoku no Ori<br/>
 </td></tr>
 <tr><td>*.pt1</td><td>-</td><td>No</td></tr>
 <tr><td>*.wa1</td><td>-</td><td>No</td></tr>
@@ -522,6 +523,9 @@ Bullet Butlers<br/>
 <tr><td>*.dat</td><td><tt>PAK0</tt></td><td>No</td><td>Studio e.go!</td><td>
 Izumo 2 ~Gakuen Kyousoukyoku~<br/>
 </td></tr>
+<tr class="odd"><td>*.pbx</td><td><tt>Pandora.box</tt></td><td>No</td><td>Terios</td><td>
+Ikinari Happy Bell<br/>
+</td></tr>
 </table>
 <p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
 </body>