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variation of Nitro+ PAK archives.

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This commit is contained in:
morkt 2016-05-21 10:31:09 +04:00
parent 6d5b49ab3e
commit 5f1641243b
4 changed files with 123 additions and 3 deletions
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1
ArcFormats/ArcFormats.csproj
View File

@ -96,6 +96,7 @@
<Compile Include="ImageLZ.cs" />
<Compile Include="KiriKiri\ChainReactionCrypt.cs" />
<Compile Include="Liar\ImageLIM.cs" />
<Compile Include="NitroPlus\ArcPAK.cs" />
<Compile Include="MnoViolet\ImageDIF.cs" />
<Compile Include="Nexas\ImageGRP.cs" />
<Compile Include="NitroPlus\ArcNPK.cs" />

4
ArcFormats/NitroPlus/ArcNitro.cs
View File

@ -84,7 +84,7 @@ namespace GameRes.Formats.NitroPlus
return null;
int unpacked_size = file.View.ReadInt32 (8);
uint packed_size = file.View.ReadUInt32 (0xC);
var input = file.CreateStream (0x114, packed_size);
using (var input = file.CreateStream (0x114, packed_size))
using (var header_stream = new ZLibStream (input, CompressionMode.Decompress))
using (var header = new BinaryReader (header_stream, Encoding.ASCII, true))
{
@ -147,7 +147,7 @@ namespace GameRes.Formats.NitroPlus
var dir = new List<Entry> (count);
uint header_size = file.View.ReadUInt32 (0x110) ^ size_xor;
long base_offset = 0x114 + header_size;
var input = file.CreateStream (0x114, header_size);
using (var input = file.CreateStream (0x114, header_size))
using (var header_stream = new ZLibStream (input, CompressionMode.Decompress))
using (var header = new BinaryReader (header_stream, Encoding.ASCII, true))
{

112
ArcFormats/NitroPlus/ArcPAK.cs Normal file
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@ -0,0 +1,112 @@
//! \file ArcPAK.cs
//! \date Sat May 21 00:12:14 2016
//! \brief MAGI 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;
namespace GameRes.Formats.Magi
{
// this format is very similar to NitroPlus.PakOpener v3, but has no encryption.
//
[Export(typeof(ArchiveFormat))]
public class PakOpener : ArchiveFormat
{
public override string Tag { get { return "PAK/MAGI"; } }
public override string Description { get { return "MAGI resource archive"; } }
public override uint Signature { get { return 3; } }
public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
uint index_size = file.View.ReadUInt32 (0xC);
if (index_size > file.MaxOffset)
return null;
long base_offset = 0x118 + index_size;
using (var mem = file.CreateStream (0x118, index_size))
using (var z = new ZLibStream (mem, CompressionMode.Decompress))
using (var index = new BinaryReader (z))
{
var name_buffer = new byte[0x100];
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
int name_length = index.ReadInt32();
if (name_length <= 0 || name_length > name_buffer.Length)
return null;
if (name_length != index.Read (name_buffer, 0, name_length))
return null;
var name = Encodings.cp932.GetString (name_buffer, 0, name_length);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = index.ReadUInt32() + base_offset;
uint size = index.ReadUInt32();
index.ReadUInt32();
uint flags = index.ReadUInt32();
uint packed_size = index.ReadUInt32();
entry.IsPacked = flags != 0 && packed_size != 0;
if (entry.IsPacked)
{
entry.Size = packed_size;
entry.UnpackedSize = size;
}
else
{
entry.Size = size;
entry.UnpackedSize = size;
}
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var input = arc.File.CreateStream (entry.Offset, entry.Size);
var pentry = entry as PackedEntry;
if (null == pentry || !pentry.IsPacked)
return input;
try
{
return new ZLibStream (input, CompressionMode.Decompress);
}
catch
{
input.Dispose();
throw;
}
}
}
}

9
supported.html
View File

@ -144,10 +144,12 @@ Sweet Pool<br/>
Zoku Satsuriku no Django<br/>
</td></tr>
<tr class="odd"><td>*.npa</td><td>-</td><td>Yes</td><td>Nitro+</td><td>Steins;Gate</td></tr>
<tr><td>*.pak</td><td><tt>\002\000\000\000</tt><br/><tt>\003\000\000\000</tt></td><td>No</td><td>Nitro+<br/>CoreMoreco</td><td>
<tr><td>*.pak</td><td><tt>\002\000\000\000</tt><br/><tt>\003\000\000\000</tt></td><td>No</td><td>Nitro+<br/>CoreMoreco<br/>MAGI<br/></td><td>
Hanachirasu<br/>
Jingai Makyou<br/>
Chibi Mama<br/>
Ore to Imouto no Kounai Play<br/>
Ren'ai Jugyou ~Oshiego no Yuuwaku~<br/>
</td></tr>
<tr class="odd"><td>*.nsa<br/>*.sar</td><td>-</td><td>Yes<a href="#note-1" class="footnote">1</a></td><td>NScripter</td><td>
Binary Pot<br/>
@ -345,6 +347,7 @@ Zansho Omimai Moushiagemasu<span class="footnote">ShiinaRio v2.41</span><br/>
<tr><td>*.ogv</td><td><tt>OGV</tt></td><td>No</td></tr>
<tr><td>*.pad</td><td><tt>PAD</tt></td><td>No</td></tr>
<tr class="odd"><td>*</td><td><tt>ARC2</tt><br/><tt>ARC1</tt></td><td>No</td><td>AST</td><td>
Bokura wa Piacere<br/>
Jokyoushi wo Kurau<br/>
Lovers Collection<br/>
Nachtmusik<br/>
@ -830,6 +833,10 @@ Nora to Oujo to Noraneko Heart<br/>
Tsujidou-san no Jun'ai Road<br/>
Tsujidou-san no Virgin Road<br/>
</td></tr>
<tr><td>*.pak</td><td>-</td><td>No</td><td>MAGI</td><td>
Ore to Imouto no Kounai Play<br/>
Ren'ai Jugyou ~Oshiego no Yuuwaku~<br/>
</td></tr>
</table>
<p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
</body>