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implemented 'NEKOPACK4A' archives.

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morkt 2016-09-29 17:32:24 +04:00
parent 6d2c26d8ee
commit e006b898e2
3 changed files with 133 additions and 0 deletions
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1
ArcFormats/ArcFormats.csproj
View File

@ -180,6 +180,7 @@
<Compile Include="Morning\ArcTTD.cs" />
<Compile Include="Nekopunch\ArcPAK.cs" />
<Compile Include="NekoSDK\ArcDAT.cs" />
<Compile Include="NekoSDK\ArcPAK.cs" />
<Compile Include="NekoSDK\ImageALP.cs" />
<Compile Include="NitroPlus\ArcPAK.cs" />
<Compile Include="MnoViolet\ImageDIF.cs" />

127
ArcFormats/NekoSDK/ArcPAK.cs Normal file
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@ -0,0 +1,127 @@
//! \file ArcPAK.cs
//! \date Thu Sep 29 15:17:42 2016
//! \brief NekoSDK NEKOPACK resource archive.
//
// 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 GameRes.Compression;
using GameRes.Utility;
namespace GameRes.Formats.NekoSDK
{
[Export(typeof(ArchiveFormat))]
public class PakOpener : ArchiveFormat
{
public override string Tag { get { return "NEKOPACK/4"; } }
public override string Description { get { return "NekoSDK engine resource archive"; } }
public override uint Signature { get { return 0x4F4B454E; } } // 'NEKOPACK'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public PakOpener ()
{
Extensions = new string[] { "pak" };
}
public override ArcFile TryOpen (ArcView file)
{
if (!file.View.AsciiEqual (0, "NEKOPACK4"))
return null;
int version = file.View.ReadByte (9);
uint index_offset, index_end;
if ('A' == version)
{
index_offset = 0xE;
index_end = index_offset + file.View.ReadUInt32 (0xA);
}
else if ('S' == version)
{
index_offset = 0xA;
index_end = index_offset + file.View.ReadUInt32 (0xA) + 12;
}
else
{
return null;
}
var dir = new List<Entry>();
var name_buffer = new byte[0x100];
while (index_offset < index_end)
{
uint name_length = file.View.ReadUInt32 (index_offset);
index_offset += 4;
if (0 == name_length)
break;
if (name_length > name_buffer.Length)
return null;
file.View.Read (index_offset, name_buffer, 0, name_length);
index_offset += name_length;
uint key = 0;
for (uint i = 0; i < name_length; ++i)
key += name_buffer[i];
var name = Binary.GetCString (name_buffer, 0, (int)name_length);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset) ^ key;
entry.Size = file.View.ReadUInt32 (index_offset+4) ^ key;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
uint key = entry.Size / 8 + 0x22;
var header = new byte[Math.Min (4, entry.Size)];
arc.File.View.Read (entry.Offset, header, 0, (uint)header.Length);
for (int i = 0; i < header.Length; ++i)
{
header[i] ^= (byte)key;
key <<= 3;
}
var pent = entry as PackedEntry;
if (null != pent && !pent.IsPacked && entry.Size >= 8)
{
pent.IsPacked = true;
pent.UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset+entry.Size-4);
}
Stream input;
if (header.Length == entry.Size)
{
input = new MemoryStream (header);
}
else
{
input = arc.File.CreateStream (entry.Offset+4, entry.Size-8);
input = new PrefixStream (header, input);
}
return new ZLibStream (input, CompressionMode.Decompress);
}
}
}

5
supported.html
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@ -389,6 +389,7 @@ Onsen Kankou Yukemuri Chijou<br/>
Oshiete! Bloomer Sensei<br/>
Ryoujoku Costume Play<br/>
Seikoujo Claudia<br/>
Shinshoku<br/>
Sweet and Sweet<br/>
Taijoku no Ori<br/>
</td></tr>
@ -555,6 +556,7 @@ Dungeon Crusaderz ~Tales of Demon Eater~<br/>
Dungeon Crusaderz 2 ~Eigou no Rakudo~<br/>
Inkou Haden Amatsu ~Hakudaku no Juin~<br/>
Magical Witch Academy<br/>
Magical Witch Concerto<br/>
Medorei ~Okasareta Houkago~<br/>
Onna Kyoushi<br/>
Ore to Kanojo wa Shuju na Kankei<br/>
@ -1163,6 +1165,9 @@ Lost Child<br/>
</td></tr>
<tr class="odd"><td>*.sur</td><td><tt>ESUR</tt></td><td>No</td></tr>
<tr class="odd last"><td>*.esd</td><td><tt>ESD</tt></td><td>No</td></tr>
<tr><td>*.pak</td><td><tt>NEKOPACK4A</tt></td><td>No</td><td>NekoSDK</td><td>
In Vitro Shoujo -Aragaishi Junshin Naru Shoujo-<br/>
</td></tr>
</table>
<p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
</body>