diff --git a/ArcFormats/ArcFormats.csproj b/ArcFormats/ArcFormats.csproj index 450e3a05..672e3be8 100644 --- a/ArcFormats/ArcFormats.csproj +++ b/ArcFormats/ArcFormats.csproj @@ -82,6 +82,7 @@ + @@ -545,9 +546,7 @@ - - - + perl "$(SolutionDir)inc-revision.pl" "$(ProjectPath)" $(ConfigurationName) diff --git a/ArcFormats/CsWare/ArcPCS.cs b/ArcFormats/CsWare/ArcPCS.cs new file mode 100644 index 00000000..ad4fd9a1 --- /dev/null +++ b/ArcFormats/CsWare/ArcPCS.cs @@ -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 (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 (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 (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); + } + } +} diff --git a/supported.html b/supported.html index 70010012..1d33c5e8 100644 --- a/supported.html +++ b/supported.html @@ -237,6 +237,7 @@ Hensai Keikaku
Himawari Oka Sougou Byouin e Youkoso
Inen no Yakata
Inran OL Sawatari Tokiko
+Itsuwari no Kyoushitsu
Kunoichi Kikyou ~Gensou Kannou Emaki~
Momo x Momi
Michibikareshi Mono-tachi no Rakuen ~BEDLAM~
@@ -358,6 +359,7 @@ Dungeon Crusaderz 2 ~Eigou no Rakudo~
Onna Kyoushi
Magical Witch Academy
Medorei ~Okasareta Houkago~
+Nerawareta Megami Tenshi Angeltia
Saishuu Chikan Densha
Serina
Ura Nyuugaku ~Ineki ni Nureta Kyoukasho~
@@ -377,6 +379,7 @@ Ryoujoku Gojuusou
*.eogCRMNo *.zbm
*.cwlSZDDNo *.packFilePackVer1.0
FilePackVer2.0
FilePackVer3.0NoQLIE +Makai Tenshi Djibril -episode 3-
Mehime no Toriko
Nanatsu no Fushigi no Owaru Toki
Soshite Ashita no Sekai yori
@@ -636,6 +639,9 @@ Dokidoki Onee-san
*.alpAP-2No *.anmAN00No +*.pcsPCCSNoC's ware +Mikan
+

1 Non-encrypted only