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implemented PCS archives.

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This commit is contained in:
morkt 2016-01-29 18:28:58 +04:00
parent 74a8964353
commit 00f4fd6e23
3 changed files with 159 additions and 3 deletions
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5
ArcFormats/ArcFormats.csproj
View File

@ -82,6 +82,7 @@
<Compile Include="CatSystem\ImageHG2.cs" />
<Compile Include="Cmvs\CmvsMD5.cs" />
<Compile Include="Cmvs\ImagePB3.cs" />
<Compile Include="CsWare\ArcPCS.cs" />
<Compile Include="DenSDK\ArcDAF.cs" />
<Compile Include="elf\ArcVSD.cs" />
<Compile Include="Entis\ErisaNemesis.cs" />
@ -545,9 +546,7 @@
</EmbeddedResource>
<EmbeddedResource Include="Strings\arcStrings.ru-RU.resx" />
</ItemGroup>
<ItemGroup>
<Folder Include="CsWare\" />
</ItemGroup>
<ItemGroup />
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<PropertyGroup>
<PreBuildEvent>perl "$(SolutionDir)inc-revision.pl" "$(ProjectPath)" $(ConfigurationName)

151
ArcFormats/CsWare/ArcPCS.cs Normal file
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@ -0,0 +1,151 @@
//! \file ArcPCS.cs
//! \date Mon Jan 25 01:36:53 2016
//! \brief C's ware 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.Utility;
namespace GameRes.Formats.CsWare
{
internal class PcsEntry : Entry
{
public byte Key;
}
[Export(typeof(ArchiveFormat))]
public class PcsOpener : ArchiveFormat
{
public override string Tag { get { return "PCS"; } }
public override string Description { get { return "C's ware resource archive"; } }
public override uint Signature { get { return 0x53434350; } } // 'PCCS'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
int version = file.View.ReadUInt16 (4);
if (version < 1 || version > 4)
return null;
int count = file.View.ReadInt32 (8);
if (!IsSaneCount (count))
return null;
uint data_offset = file.View.ReadUInt32 (12);
int index_size = (int)data_offset - 0x10;
int index_offset = 0x10;
var index_buffer = new byte[0x40];
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
int name_length;
if (version > 1)
{
name_length = file.View.ReadInt32 (index_offset);
if (0 == name_length)
break;
if (name_length > index_size)
return null;
index_offset += 5 + name_length;
}
name_length = file.View.ReadInt32 (index_offset);
if (0 == name_length)
break;
if (name_length > index_size)
return null;
if (name_length > index_buffer.Length)
index_buffer = new byte[name_length];
file.View.Read (index_offset+5, index_buffer, 0, (uint)name_length);
index_offset += 5 + name_length;
byte checksum;
var name = DecryptName (index_buffer, name_length, out checksum);
Entry entry;
if (4 == version)
{
entry = FormatCatalog.Instance.Create<PcsEntry> (name);
(entry as PcsEntry).Key = checksum;
int c = -1 - checksum;
file.View.Read (index_offset, index_buffer, 0, 8);
for (int j = 0; j < 4; ++j)
{
byte key = (byte)((checksum + (17 << j)) & 0x33);
index_buffer[j] = (byte)(c + key - index_buffer[j]);
index_buffer[j+4] = (byte)(c + key - index_buffer[j+4]);
}
entry.Offset = LittleEndian.ToUInt32 (index_buffer, 0);
entry.Size = LittleEndian.ToUInt32 (index_buffer, 4);
}
else
{
entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+4);
}
index_offset += 0x10;
if (index_offset > data_offset)
return null;
entry.Offset += data_offset;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var pent = entry as PcsEntry;
if (null == pent)
return base.OpenEntry (arc, entry);
uint header_size = Math.Min (entry.Size, 512u);
var header = arc.File.View.ReadBytes (entry.Offset, header_size);
for (int i = 0; i < header.Length; ++i)
{
header[i] = (byte)(pent.Key - header[i] - 1);
}
if (header_size == entry.Size)
return new MemoryStream (header);
var rest = arc.File.CreateStream (entry.Offset+512, entry.Size-512);
return new PrefixStream (header, rest);
}
string DecryptName (byte[] name_buffer, int length, out byte checksum)
{
int count;
checksum = 0;
for (count = 0; count < length; ++count)
{
if (0 == name_buffer[count])
break;
name_buffer[count] = Binary.RotByteL (name_buffer[count], 4);
checksum += name_buffer[count];
}
return Encodings.cp932.GetString (name_buffer, 0, count);
}
}
}

6
supported.html
View File

@ -237,6 +237,7 @@ Hensai Keikaku<br/>
Himawari Oka Sougou Byouin e Youkoso<br/>
Inen no Yakata<br/>
Inran OL Sawatari Tokiko<br/>
Itsuwari no Kyoushitsu<br/>
Kunoichi Kikyou ~Gensou Kannou Emaki~<br/>
Momo x Momi<br/>
Michibikareshi Mono-tachi no Rakuen ~BEDLAM~<br/>
@ -358,6 +359,7 @@ Dungeon Crusaderz 2 ~Eigou no Rakudo~<br/>
Onna Kyoushi<br/>
Magical Witch Academy<br/>
Medorei ~Okasareta Houkago~<br/>
Nerawareta Megami Tenshi Angeltia<br/>
Saishuu Chikan Densha<br/>
Serina<br/>
Ura Nyuugaku ~Ineki ni Nureta Kyoukasho~<br/>
@ -377,6 +379,7 @@ Ryoujoku Gojuusou<br/>
<tr class="odd"><td>*.eog</td><td><tt>CRM</tt></td><td>No</td></tr>
<tr class="odd"><td>*.zbm<br/>*.cwl</td><td><tt>SZDD</tt></td><td>No</td></tr>
<tr><td>*.pack</td><td><tt>FilePackVer1.0</tt><br/><tt>FilePackVer2.0</tt><br/><tt>FilePackVer3.0</tt></td><td>No</td><td rowspan="3">QLIE</td><td rowspan="3">
Makai Tenshi Djibril -episode 3-<br/>
Mehime no Toriko<br/>
Nanatsu no Fushigi no Owaru Toki<br/>
Soshite Ashita no Sekai yori<br/>
@ -636,6 +639,9 @@ Dokidoki Onee-san<br/>
</td></tr>
<tr class="odd"><td>*.alp</td><td><tt>AP-2</tt></td><td>No</td></tr>
<tr class="odd"><td>*.anm</td><td><tt>AN00</tt></td><td>No</td></tr>
<tr><td>*.pcs</td><td><tt>PCCS</tt></td><td>No</td><td>C's ware</td><td>
Mikan<br/>
</td></tr>
</table>
<p><a name="note-1" class="footnote">1</a> Non-encrypted only</p>
</body>