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implemented 'SPack' archives.
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morkt
parent
3041b90606
commit
461e31b0d7
@ -107,6 +107,7 @@
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<Compile Include="ArcPAC.cs" />
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<Compile Include="ArcPD.cs" />
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<Compile Include="ArcRPA.cs" />
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<Compile Include="ArcSPack.cs" />
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<Compile Include="ArcSteinsGate.cs" />
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<Compile Include="ArcWARC.cs" />
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<Compile Include="ArcWILL.cs" />
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214
ArcFormats/ArcSPack.cs
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214
ArcFormats/ArcSPack.cs
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@ -0,0 +1,214 @@
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//! \file ArcSPack.cs
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//! \date Fri May 22 04:54:08 2015
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//! \brief 'SPack' resource archives.
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//
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// Copyright (C) 2015 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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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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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.Security.Cryptography;
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using GameRes.Utility;
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namespace GameRes.Formats.SPack
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{
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internal class SPackEntry : PackedEntry
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{
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public byte Method;
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public ushort Crc;
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}
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[Export(typeof(ArchiveFormat))]
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public class DatOpener : ArchiveFormat
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{
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public override string Tag { get { return "SPACK"; } }
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public override string Description { get { return "SPack resource archive"; } }
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public override uint Signature { get { return 0x63615053; } } // 'SPac'
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { get { return false; } }
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public DatOpener ()
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{
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Extensions = new string[] { "dat" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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if ('k' != file.View.ReadInt16 (4))
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return null;
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int version = file.View.ReadInt16 (6);
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if (1 != version)
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return null;
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uint data_size = file.View.ReadUInt32 (8);
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int count = file.View.ReadInt32 (0x10);
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if (count <= 0 || count > 0xfffff)
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return null;
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uint index_size = (uint)(0x38 * count);
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long base_offset = 0x18;
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long index_offset = base_offset + data_size;
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if (index_offset >= file.MaxOffset || index_size > file.View.Reserve (index_offset, index_size))
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return null;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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var name = file.View.ReadString (index_offset, 0x20);
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index_offset += 0x20;
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var entry = new SPackEntry
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{
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Name = name,
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Offset = base_offset + file.View.ReadUInt32 (index_offset),
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UnpackedSize = file.View.ReadUInt32 (index_offset+4),
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Size = file.View.ReadUInt32 (index_offset+8),
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Method = file.View.ReadByte (index_offset+12),
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Crc = file.View.ReadUInt16 (index_offset+14),
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};
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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if (name.EndsWith (".dat", StringComparison.InvariantCultureIgnoreCase))
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entry.Type = "audio";
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else
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entry.Type = FormatCatalog.Instance.GetTypeFromName (name);
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entry.IsPacked = entry.Method != 0;
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dir.Add (entry);
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index_offset += 0x18;
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}
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var input = arc.File.CreateStream (entry.Offset, entry.Size);
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var packed_entry = entry as SPackEntry;
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if (null == packed_entry || !packed_entry.IsPacked)
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return input;
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if (1 == packed_entry.Method)
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return new CryptoStream (input, new Kogado.NotTransform(), CryptoStreamMode.Read);
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if (2 == packed_entry.Method)
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{
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using (var reader = new PackedReader (packed_entry, input))
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{
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reader.Unpack();
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return new MemoryStream (reader.Data);
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}
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}
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return input;
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}
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}
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internal class PackedReader : IDisposable
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{
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BinaryReader m_input;
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uint m_packed_size;
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byte[] m_output;
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public byte[] Data { get { return m_output; } }
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public PackedReader (SPackEntry entry, Stream input)
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{
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m_input = new BinaryReader (input);
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m_packed_size = entry.Size;
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m_output = new byte[entry.UnpackedSize];
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}
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public byte[] Unpack ()
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{
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int dst = 0;
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uint src = 0;
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uint ctl = 0;
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uint mask = 0;
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while (dst < m_output.Length && src < m_packed_size)
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{
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if (0 == mask)
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{
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ctl = m_input.ReadUInt32();
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src += 4;
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mask = 0x80000000;
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}
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if (0 != (ctl & mask))
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{
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int copy_count, offset;
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offset = m_input.ReadByte();
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src++;
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copy_count = offset >> 4;
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offset &= 0x0f;
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if (15 == copy_count)
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{
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copy_count = m_input.ReadUInt16();
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src += 2;
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}
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else if (14 == copy_count)
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{
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copy_count = m_input.ReadByte();
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src++;
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}
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else
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copy_count++;
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if (offset < 10)
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offset++;
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else
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{
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offset = ((offset - 10) << 8) | m_input.ReadByte();
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src++;
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}
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if (dst + copy_count > m_output.Length)
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copy_count = m_output.Length - dst;
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Binary.CopyOverlapped (m_output, dst-offset, dst, copy_count);
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dst += copy_count;
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}
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else
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{
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m_output[dst++] = m_input.ReadByte();
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src++;
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}
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mask >>= 1;
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}
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return m_output;
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}
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#region IDisposable Members
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bool disposed = false;
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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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if (!disposed)
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{
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if (disposing)
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{
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m_input.Dispose();
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}
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disposed = true;
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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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@ -156,12 +156,21 @@ Rikorisu ~Lycoris Radiata~<br/>
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<tr class="odd"><td>*.mfg<br/>*.mfm<br/>*.mfs</td><td><tt>ALPF</tt></td><td>No</td><td rowspan="2">Silky's</td><td rowspan="2">Jokei Kazoku</td></tr>
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<tr class="odd"><td>*</td><td><tt>MFG_</tt><br/><tt>MFGA</tt><br/><tt>MFGC</tt></td><td>No</td></tr>
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<tr><td>*.pmp<br/>*.pmw</td><td>-</td><td>Yes</td><td>ScenePlayer</td><td>Nyuujoku Hitozuma Jogakuen</td></tr>
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<tr class="odd"><td>*.dat</td><td><tt>GAMEDAT PACK</tt><br/><tt>GAMEDAT PAC2</tt></td><td>No</td><td rowspan="2">Pajamas Soft</td><td rowspan="2">Prism Heart</tr>
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<tr class="odd"><td>*.dat</td><td><tt>GAMEDAT PACK</tt><br/><tt>GAMEDAT PAC2</tt></td><td>No</td><td rowspan="2">Pajamas Soft</td><td rowspan="2">
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Aneimo 2 ~Second Stage~<br/>
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Prism Heart<br/>
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</tr>
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<tr class="odd"><td>*.epa</td><td><tt>EP</tt></td><td>No</td></tr>
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<tr><td>*.arc</td><td><tt>MAI</tt></td><td>No</td><td rowspan="2">Matsuri Kikaku</td><td rowspan="2">Chikan Sharyou Nigousha</td></tr>
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<tr><td>*.ami<br/>*.cmp<br/></td><td><tt>AM</tt><br/><tt>CM</tt></td><td>No</td></tr>
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<tr class="odd"><td>*.mgd<br/>*.mgs</td><td><tt>MGD</tt><br/><tt>MGS</tt></td><td>No</td><td rowspan="2">MEGU</td><td rowspan="2">Seduce</tr>
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<tr class="odd"><td>*.agc</td><td><tt>AGd</tt></td><td>No</td></tr>
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<tr><td>*.pak+*.idx</td><td>-</td><td>No</td><td rowspan="2">EAGLS</td><td rowspan="2">
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Oppai Baka<br/>
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Mainichi Shabutte Ii Desu ka?<br/>
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</td></tr>
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<tr><td>*.gr</td><td>-</td><td>No</td></tr>
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<tr class="odd"><td>*.dat</td><td><tt>SPack</tt></td><td>No</td><td rowspan="2">Goku-Fero</td><td rowspan="2">Inchuu Reiki Elenova</tr>
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</table>
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<p><a name="note-1">[1]</a> Non-encrypted only</p>
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</body>
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