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implemented LIBU archives.
This commit is contained in:
morkt
parent
0c63353c08
commit
1d6a803982
@ -2,7 +2,7 @@
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//! \date Thu Jun 25 06:46:51 2015
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//! \brief Malie System archive implementation.
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//
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// Copyright (C) 2015 by morkt
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// Copyright (C) 2015-2016 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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@ -28,6 +28,7 @@ using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Linq;
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using System.Text;
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using GameRes.Encryption;
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using GameRes.Utility;
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@ -134,17 +135,30 @@ namespace GameRes.Formats.Malie
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public DatOpener ()
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{
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Extensions = new string[] { "dat" };
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Extensions = new string[] { "lib", "dat" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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var reader = new Reader (file);
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var header = new byte[0x10];
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foreach (var key in KnownKeys.Values)
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{
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var encryption = new Camellia (key);
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if (reader.ReadIndex (encryption))
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return new MalieArchive (file, this, reader.Dir, encryption);
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if (0x10 != ReadEncrypted (file.View, encryption, 0, header, 0, 0x10))
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continue;
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LibIndexReader reader;
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if (Binary.AsciiEqual (header, 0, "LIBP"))
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reader = new LibPReader (file, encryption, header);
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else if (Binary.AsciiEqual (header, 0, "LIBU"))
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reader = new LibUReader (file, encryption, header);
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else
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continue;
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using (reader)
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{
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var dir = reader.ReadIndex();
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if (dir != null)
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return new MalieArchive (file, this, dir, encryption);
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}
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}
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return null;
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}
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@ -154,44 +168,59 @@ namespace GameRes.Formats.Malie
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var march = arc as MalieArchive;
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if (null == march)
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return arc.File.CreateStream (entry.Offset, entry.Size);
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var data = new byte[entry.Size];
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ReadEncrypted (arc.File.View, march.Encryption, entry.Offset, data, 0, (int)entry.Size);
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return new MemoryStream (data);
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var input = new EncryptedStream (march.File, march.Encryption);
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return new StreamRegion (input, entry.Offset, entry.Size);
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}
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internal class Reader
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internal abstract class LibIndexReader : IDisposable
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{
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ArcView.Frame m_view;
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readonly long m_max_offset;
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long m_base_offset;
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Camellia m_enc;
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List<Entry> m_dir = new List<Entry>();
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protected ArcView.Frame m_view;
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protected readonly long m_max_offset;
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protected Camellia m_enc;
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protected List<Entry> m_dir = new List<Entry>();
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protected byte[] m_header;
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public List<Entry> Dir { get { return m_dir; } }
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public Reader (ArcView file)
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protected LibIndexReader (ArcView file, Camellia encryption, byte[] header)
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{
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m_view = file.View;
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m_max_offset = file.MaxOffset;
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m_enc = encryption;
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m_header = header;
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}
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byte[] m_header = new byte[0x10];
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public abstract List<Entry> ReadIndex ();
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#region IDisposable Members
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public void Dispose ()
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{
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Dispose (true);
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GC.SuppressFinalize (this);
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}
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protected virtual void Dispose (bool disposing)
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{
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}
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#endregion
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}
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internal class LibPReader : LibIndexReader
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{
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byte[] m_index;
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long m_base_offset;
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uint[] m_offset_table;
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public bool ReadIndex (Camellia encryption)
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public LibPReader (ArcView file, Camellia encryption, byte[] header) : base (file, encryption, header)
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{
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m_base_offset = 0;
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m_enc = encryption;
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if (0x10 != ReadEncrypted (m_view, m_enc, m_base_offset, m_header, 0, 0x10))
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return false;
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if (!Binary.AsciiEqual (m_header, 0, "LIBP"))
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return false;
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}
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public override List<Entry> ReadIndex ()
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{
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int count = LittleEndian.ToInt32 (m_header, 4);
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if (count <= 0)
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return false;
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if (!IsSaneCount (count))
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return null;
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int offset_count = LittleEndian.ToInt32 (m_header, 8);
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m_index = new byte[0x20 * count];
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@ -199,10 +228,10 @@ namespace GameRes.Formats.Malie
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m_base_offset += 0x10;
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if (m_index.Length != ReadEncrypted (m_view, m_enc, m_base_offset, m_index, 0, m_index.Length))
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return false;
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return null;
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m_base_offset += m_index.Length;
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if (offsets.Length != ReadEncrypted (m_view, m_enc, m_base_offset, offsets, 0, offsets.Length))
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return false;
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return null;
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m_offset_table = new uint[offset_count];
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Buffer.BlockCopy (offsets, 0, m_offset_table, 0, offsets.Length);
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@ -211,7 +240,7 @@ namespace GameRes.Formats.Malie
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m_dir.Capacity = offset_count;
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ReadDir ("", 0, 1);
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return m_dir.Count > 0;
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return m_dir.Count > 0 ? m_dir : null;
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}
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private void ReadDir (string root, int entry_index, int count)
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@ -243,6 +272,83 @@ namespace GameRes.Formats.Malie
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}
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}
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internal class LibUReader : LibIndexReader
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{
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BinaryReader m_input;
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public LibUReader (ArcView file, Camellia encryption, byte[] header) : base (file, encryption, header)
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{
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var input = new EncryptedStream (file, encryption);
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m_input = new BinaryReader (input, Encoding.Unicode);
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}
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public override List<Entry> ReadIndex ()
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{
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return ReadDir ("", 0) ? m_dir : null;
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}
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bool ReadDir (string root, long base_offset)
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{
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m_input.BaseStream.Position = base_offset;
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if (0x5542494C != m_input.ReadUInt32()) // 'LIBU'
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return false;
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m_input.ReadInt32();
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int count = m_input.ReadInt32();
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if (!IsSaneCount (count))
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return false;
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if (m_dir.Capacity < m_dir.Count + count)
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m_dir.Capacity = m_dir.Count + count;
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long index_pos = base_offset + 0x10;
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for (int i = 0; i < count; ++i)
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{
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m_input.BaseStream.Position = index_pos;
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var name = ReadName();
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uint entry_size = m_input.ReadUInt32();
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long entry_offset = base_offset + m_input.ReadUInt32();
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index_pos = m_input.BaseStream.Position + 4;
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bool has_extension = -1 != name.IndexOf ('.');
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name = Path.Combine (root, name);
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if (!has_extension && ReadDir (name, entry_offset))
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continue;
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var entry = FormatCatalog.Instance.Create<Entry> (name);
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entry.Offset = entry_offset;
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entry.Size = entry_size;
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if (!entry.CheckPlacement (m_max_offset))
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return false;
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m_dir.Add (entry);
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}
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return true;
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}
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char[] m_name_buffer = new char[0x22];
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string ReadName ()
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{
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m_input.Read (m_name_buffer, 0, 0x22);
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int length = Array.IndexOf (m_name_buffer, '\0');
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if (-1 == length)
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length = m_name_buffer.Length;
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return new string (m_name_buffer, 0, length);
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}
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#region IDisposable methods
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bool m_disposed = false;
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protected override void Dispose (bool disposing)
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{
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if (!m_disposed)
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{
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if (disposing)
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m_input.Dispose();
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m_disposed = true;
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base.Dispose();
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}
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}
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#endregion
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}
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private static int ReadEncrypted (ArcView.Frame view, Camellia enc, long offset, byte[] buffer, int index, int length)
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{
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int offset_pad = (int)offset & 0xF;
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@ -282,4 +388,110 @@ namespace GameRes.Formats.Malie
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set { KnownKeys = ((LibScheme)value).KnownKeys; }
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}
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}
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internal class EncryptedStream : Stream
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{
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ArcView.Frame m_view;
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Camellia m_enc;
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long m_max_offset;
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long m_position = 0;
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byte[] m_current_block = new byte[BlockLength];
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int m_current_block_length = 0;
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long m_current_block_position = 0;
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public const int BlockLength = 0x1000;
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public Camellia Encryption { get { return m_enc; } }
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public EncryptedStream (ArcView mmap, Camellia encryption)
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{
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m_view = mmap.CreateFrame();
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m_enc = encryption;
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m_max_offset = mmap.MaxOffset;
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}
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public override int Read (byte[] buf, int index, int count)
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{
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int total_read = 0;
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bool refill_buffer = !(m_position >= m_current_block_position && m_position < m_current_block_position + m_current_block_length);
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while (count > 0 && m_position < m_max_offset)
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{
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if (refill_buffer)
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{
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m_current_block_position = m_position & ~((long)BlockLength-1);
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FillBuffer();
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}
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int src_offset = (int)m_position & (BlockLength-1);
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int available = Math.Min (count, m_current_block_length - src_offset);
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Buffer.BlockCopy (m_current_block, src_offset, buf, index, available);
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m_position += available;
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total_read += available;
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index += available;
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count -= available;
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refill_buffer = true;
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}
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return total_read;
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}
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private void FillBuffer ()
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{
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m_current_block_length = m_view.Read (m_current_block_position, m_current_block, 0, (uint)BlockLength);
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for (int offset = 0; offset < m_current_block_length; offset += 0x10)
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{
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m_enc.DecryptBlock (m_current_block_position+offset, m_current_block, offset);
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}
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}
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#region IO.Stream methods
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public override bool CanRead { get { return !m_disposed; } }
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public override bool CanWrite { get { return false; } }
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public override bool CanSeek { get { return !m_disposed; } }
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public override long Length { get { return m_max_offset; } }
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public override long Position
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{
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get { return m_position; }
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set { m_position = value; }
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}
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public override long Seek (long pos, SeekOrigin whence)
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{
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if (SeekOrigin.Current == whence)
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m_position += pos;
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else if (SeekOrigin.End == whence)
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m_position = m_max_offset + pos;
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else
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m_position = pos;
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return m_position;
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}
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public override void Write (byte[] buf, int index, int count)
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{
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throw new NotSupportedException();
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}
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public override void SetLength (long length)
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{
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throw new NotSupportedException();
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}
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public override void Flush ()
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{
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}
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#endregion
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#region IDisposable methods
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bool m_disposed = false;
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protected override void Dispose (bool disposing)
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{
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if (!m_disposed)
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{
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if (disposing)
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m_view.Dispose();
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m_disposed = true;
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base.Dispose();
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}
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}
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#endregion
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}
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}
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@ -158,6 +158,7 @@ Crime Rhyme<br/>
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<tr><td>*.arc</td><td>-</td><td>Yes</td><td rowspan="3">Will</td><td rowspan="3">
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Cynthia ~Sincerely to You~<br/>
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Folklore Jam<br/>
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Hapihosu! ~Osewasaremasu Nyuuin Seikatsu~<br/>
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I/O<br/>
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Natsuiro Kouen ~Denpatou no Shita de Ai wo Kataru~<br/>
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Onegai O-Hoshi-sama<br/>
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@ -259,6 +260,7 @@ Inen no Yakata<br/>
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Inran OL Sawatari Tokiko<br/>
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Itsuwari no Kyoushitsu<br/>
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Kunoichi Kikyou ~Gensou Kannou Emaki~<br/>
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Mechiku ~Injoku no Shuuyoujo~<br/>
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Momo x Momi<br/>
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Michibikareshi Mono-tachi no Rakuen ~BEDLAM~<br/>
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Onsen Kankou Yukemuri Chijou<br/>
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@ -288,6 +290,7 @@ Itsuka, Dokoka de ~Ano Ameoto no Kioku~<span class="footnote">2.36 or 2.37</span
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Mahou Shoujo no Taisetsu na Koto <span class="footnote">ShiinaRio v2.47</span><br/>
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Nagagutsu wo Haita Deco <span class="footnote">ShiinaRio v2.39</span><br/>
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Najimi no Oba-chan <span class="footnote">ShiinaRio v2.47</span><br/>
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Niizuma to Yuukaihan <span class="footnote">ShiinaRio v2.45</span><br/>
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Otome Chibaku Yuugi <span class="footnote">ShiinaRio v2.40</span><br/>
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Otome Juurin Yuugi <span class="footnote">ShiinaRio v2.37</span><br/>
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Ran→Sem <span class="footnote">ShiinaRio v2.47</span><br/>
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@ -393,12 +396,14 @@ Ura Nyuugaku ~Ineki ni Nureta Kyoukasho~<br/>
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<tr class="odd"><td>*.bg_<br/>*.cg_<br/>*.sp_</td><td><tt>AP</tt><br/><tt>AO</tt></td><td>Yes</td></tr>
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<tr><td>*.dpk</td><td><tt>DPK</tt></td><td>No</td><td rowspan="2">DAC</td><td rowspan="2">Yumemiru Tsuki no Lunalutia</td></tr>
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<tr><td>*.dgc</td><td><tt>DGC</tt></td><td>No</td></tr>
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<tr class="odd"><td>*.pck</td><td>-</td><td>No</td><td rowspan="5">Crowd</td><td rowspan="5">
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<tr class="odd"><td>*.pck</td><td>-</td><td>No</td><td rowspan="5">Crowd<br/>Anim</td><td rowspan="5">
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X Change R<br/>
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X Change<br/>
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X Change 2<br/>
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X Change 2R<br/>
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Ryoujoku Gojuusou<br/>
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Hissatsu Chikannin II<br/>
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Tokumei Sentai Yuzu Ranger<br/>
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</td></tr>
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<tr class="odd"><td>*.cwp</td><td><tt>CWDP</tt></td><td>Yes</td></tr>
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<tr class="odd"><td>*.cwd</td><td><tt>cwd</tt></td><td>No</td></tr>
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@ -409,6 +414,7 @@ Bishoujo Mangekyou -Kami ga Tsukuritamouta Shoujo-tachi-<br/>
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Makai Tenshi Djibril -episode 3-<br/>
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Mehime no Toriko<br/>
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Nanatsu no Fushigi no Owaru Toki<br/>
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Shinigami no Kiss wa Wakare no Aji<br/>
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Soshite Ashita no Sekai yori<br/>
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</td></tr>
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<tr><td>*.b</td><td><tt>ABMP7</tt><br/><tt>abmp10</tt><br/><tt>abmp11</tt></td><td>No</td></tr>
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@ -428,9 +434,10 @@ Gakuen ~Nerawareta Chitai~<br/>
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Kimon Youitan<br/>
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Unbalance<br/>
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</td></tr>
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<tr class="odd"><td>*.lib<br/>*.dat</td><td><tt>LIB</tt><br/><tt>LIBP</tt></td><td>No</td><td rowspan="2">Malie</td><td rowspan="2">
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<tr class="odd"><td>*.lib<br/>*.dat</td><td><tt>LIB</tt><br/><tt>LIBP</tt><br/><tt>LIBU</tt></td><td>No</td><td rowspan="2">Malie</td><td rowspan="2">
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Angel Crown<br/>
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Dies irae<br/>
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Dies irae ~Amantes amentes~<br/>
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Kajiri Kamui Kagura<br/>
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Paradise Lost<br/>
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Zettai Meikyuu Grimm<br/>
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