GARbro-mirror/ArcFormats/Cyberworks/ArcDAT.cs

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//! \file ArcDAT.cs
//! \date Thu Jun 16 13:48:04 2016
//! \brief Tinker Bell resource archive.
//
// Copyright (C) 2016-2017 by morkt
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//
// 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 System.Linq;
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using System.Text;
using System.Text.RegularExpressions;
using GameRes.Compression;
using GameRes.Formats.Strings;
using GameRes.Utility;
namespace GameRes.Formats.Cyberworks
{
internal class BellArchive : ArcFile
{
public readonly AImageScheme Scheme;
public BellArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, AImageScheme scheme)
: base (arc, impl, dir)
{
Scheme = scheme;
}
}
internal abstract class ArchiveNameParser
{
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readonly Regex m_regex;
protected ArchiveNameParser (string pattern)
{
m_regex = new Regex (pattern, RegexOptions.IgnoreCase);
}
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/// <summary>
/// Returns toc filename and archive index corresponding to <paramref name="arc_name"/>.
/// </summary>
public Tuple<string, int> ParseName (string arc_name)
{
var match = m_regex.Match (arc_name);
if (!match.Success)
return null;
int arc_idx;
var toc_name = ParseMatch (match, out arc_idx);
if (null == toc_name)
return null;
return Tuple.Create (toc_name, arc_idx);
}
protected abstract string ParseMatch (Match match, out int arc_idx);
}
internal class ArcNameParser : ArchiveNameParser
{
public ArcNameParser () : base (@"^.+0?(?<id>(?<num>\d)(?<idx>[a-z])?)(?:|\..*)$") { }
protected override string ParseMatch (Match match, out int arc_idx)
{
arc_idx = 0;
char num = match.Groups["num"].Value[0];
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int index_num;
if (num >= '4' && num <= '6')
index_num = num - '3';
else if ('8' == num)
index_num = 7;
else
return null;
if (match.Groups["idx"].Success)
arc_idx = char.ToUpper (match.Groups["idx"].Value[0]) - '@';
var toc_name_builder = new StringBuilder (match.Value);
var num_pos = match.Groups["id"].Index;
toc_name_builder.Remove (num_pos, match.Groups["id"].Length);
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toc_name_builder.Insert (num_pos, index_num);
return toc_name_builder.ToString();
}
}
internal class DatNameParser : ArchiveNameParser
{
public DatNameParser () : base (@"^(?<name>d[a-z]+?)(?<idx>[ah])?\.dat$") { }
protected override string ParseMatch (Match match, out int arc_idx)
{
var toc_name_builder = new StringBuilder (match.Groups["name"].Value);
arc_idx = 0;
if (match.Groups["idx"].Success)
{
if ('a' == match.Groups["idx"].Value[0])
{
arc_idx = 1;
toc_name_builder.Append ('h');
}
}
else
toc_name_builder.Append ('h');
toc_name_builder.Append (".dat");
return toc_name_builder.ToString();
}
}
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internal class OldArcNameParser : ArchiveNameParser
{
public OldArcNameParser () : base (@"^Arc0(?<num>\d)\..*$") { }
// matches archive body to its index
static readonly IDictionary<char, int> s_arcmap = new Dictionary<char, int> {
{ '2', 0 }, { '3', 1 }, { '5', 4 }
};
protected override string ParseMatch (Match match, out int arc_idx)
{
arc_idx = 0;
char num = match.Groups["num"].Value[0];
int index_num;
if (!s_arcmap.TryGetValue (num, out index_num))
return null;
var toc_name_builder = new StringBuilder (match.Value);
var num_pos = match.Groups["num"].Index;
toc_name_builder.Remove (num_pos, match.Groups["num"].Length);
toc_name_builder.Insert (num_pos, index_num);
return toc_name_builder.ToString();
}
}
internal class PatchNameParser : ArchiveNameParser
{
public PatchNameParser () : base (@"^patch0(?<num>[2468])\.dat$") { }
protected override string ParseMatch (Match match, out int arc_idx)
{
arc_idx = 0;
int index_num = match.Groups["num"].Value[0] - '0' - 1;
var toc_name_builder = new StringBuilder (match.Value);
var num_pos = match.Groups["num"].Index;
toc_name_builder.Remove (num_pos, match.Groups["num"].Length);
toc_name_builder.Insert (num_pos, index_num);
return toc_name_builder.ToString();
}
}
internal class InKyouParser : ArchiveNameParser
{
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public InKyouParser () : base (@"^(inyoukyou_kuon|mugen.*)\.app$") { }
protected override string ParseMatch (Match match, out int arc_idx)
{
arc_idx = 0;
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return match.Groups[1].Value + ".dat";
}
}
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[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "ARC/Cyberworks"; } }
public override string Description { get { return "Cyberworks/TinkerBell resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
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public DatOpener ()
{
Extensions = new string[] { "dat", "04", "05", "06", "app" };
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}
public bool BlendOverlayImages = true;
static readonly ArchiveNameParser[] s_name_parsers = {
new ArcNameParser(),
new DatNameParser(),
new PatchNameParser(),
new InKyouParser()
};
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public override ArcFile TryOpen (ArcView file)
{
var arc_name = Path.GetFileName (file.Name);
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var dir_name = VFS.GetDirectoryName (file.Name);
string game_name = arc_name != "Arc06.dat" ? TryParseMeta (VFS.CombinePath (dir_name, "Arc06.dat")) : null;
Tuple<string, int> parsed = null;
if (string.IsNullOrEmpty (game_name))
{
game_name = TryParseMeta (VFS.CombinePath (dir_name, "Arc00.dat"));
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parsed = s_name_parsers.Select (p => p.ParseName (arc_name)).FirstOrDefault (p => p != null);
}
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else // Shukujo no Tsuyagoto special case
parsed = OldDatOpener.ArcNameParser.ParseName (arc_name);
if (null == parsed)
return null;
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string toc_name = parsed.Item1;
int arc_idx = parsed.Item2;
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toc_name = VFS.CombinePath (dir_name, toc_name);
var toc = ReadToc (toc_name, 8);
if (null == toc)
return null;
using (var index = new ArcIndexReader (toc, file, arc_idx, game_name))
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{
if (!index.Read())
return null;
return ArchiveFromDir (file, index.Dir, index.HasImages);
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}
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}
internal ArcFile ArchiveFromDir (ArcView file, List<Entry> dir, bool has_images)
{
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if (0 == dir.Count)
return null;
if (!has_images)
return new ArcFile (file, this, dir);
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var scheme = QueryScheme (file.Name);
return new BellArchive (file, this, dir, scheme);
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}
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/// <summary>
// Try to parse file containing game meta-information.
/// </summary>
internal string TryParseMeta (string meta_arc_name)
{
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if (!VFS.FileExists (meta_arc_name))
return null;
using (var unpacker = new TocUnpacker (meta_arc_name))
{
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if (unpacker.Length > 0x1000)
return null;
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var data = unpacker.Unpack (8);
if (null == data)
return null;
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using (var content = new BinMemoryStream (data))
{
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int title_length = content.ReadInt32();
if (title_length <= 0 || title_length > content.Length)
return null;
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var title = content.ReadBytes (title_length);
if (title.Length != title_length)
return null;
return Encodings.cp932.GetString (title);
}
}
}
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internal byte[] ReadToc (string toc_name, int num_length)
{
if (!VFS.FileExists (toc_name))
return null;
using (var toc_unpacker = new TocUnpacker (toc_name))
return toc_unpacker.Unpack (num_length);
}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
{
Stream input = arc.File.CreateStream (entry.Offset, entry.Size);
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var pent = entry as PackedEntry;
if (null != pent && pent.IsPacked)
{
input = new LzssStream (input);
}
return input;
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
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var barc = arc as BellArchive;
if (null == barc || entry.Size < 5)
return base.OpenImage (arc, entry);
var input = arc.OpenBinaryEntry (entry);
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try
{
var reader = DecryptImage (input, barc.Scheme);
if (BlendOverlayImages)
{
var overlay = reader as AImageReader;
if (overlay != null)
overlay.ReadBaseline (barc, entry);
}
return reader;
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}
catch
{
input.Dispose();
throw;
}
}
protected virtual IImageDecoder DecryptImage (IBinaryStream input, AImageScheme scheme)
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{
int type = input.ReadByte();
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if ('c' == type || 'b' == type)
{
uint img_size = Binary.BigEndian (input.ReadUInt32());
long start_pos = input.Length - img_size;
input = BinaryStream.FromStream (new StreamRegion (input.AsStream, start_pos, img_size), input.Name);
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}
else if (scheme != null && ('a' == type || 'd' == type) && input.Length > 21)
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{
int id = input.ReadByte();
if (id == scheme.Value2)
{
return new AImageReader (input, scheme, type);
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}
}
input.Position = 0;
return new ImageFormatDecoder (input);
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}
internal AImageScheme QueryScheme (string arc_name)
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{
var title = FormatCatalog.Instance.LookupGame (arc_name);
if (!string.IsNullOrEmpty (title) && KnownSchemes.ContainsKey (title))
return KnownSchemes[title];
var options = Query<BellOptions> (arcStrings.ArcEncryptedNotice);
return options.Scheme;
}
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public override ResourceOptions GetDefaultOptions ()
{
return new BellOptions { Scheme = GetScheme (Properties.Settings.Default.BELLTitle) };
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}
public override object GetAccessWidget ()
{
return new GUI.WidgetBELL();
}
public static AImageScheme GetScheme (string title)
{
AImageScheme scheme = null;
if (string.IsNullOrEmpty (title) || !KnownSchemes.TryGetValue (title, out scheme))
return null;
return scheme;
}
static SchemeMap DefaultScheme = new SchemeMap {
KnownSchemes = new Dictionary<string, AImageScheme>()
};
public static Dictionary<string, AImageScheme> KnownSchemes { get { return DefaultScheme.KnownSchemes; } }
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public override ResourceScheme Scheme
{
get { return DefaultScheme; }
set { DefaultScheme = (SchemeMap)value; }
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}
}
[Serializable]
public class AImageScheme
{
public byte Value1;
public byte Value2;
public byte Value3;
public byte[] HeaderOrder;
public bool Flipped;
public AImageScheme ()
{
Flipped = true;
}
}
[Serializable]
public class SchemeMap : ResourceScheme
{
public Dictionary<string, AImageScheme> KnownSchemes;
}
public class BellOptions : ResourceOptions
{
public AImageScheme Scheme;
}
[Export(typeof(ArchiveFormat))]
public class OldDatOpener : DatOpener
{
public override string Tag { get { return "ARC/Csystem"; } }
public override string Description { get { return "TinkerBell resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public OldDatOpener ()
{
Extensions = new string[] { "dat" };
}
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internal static readonly ArchiveNameParser ArcNameParser = new OldArcNameParser();
public override ArcFile TryOpen (ArcView file)
{
var arc_name = Path.GetFileName (file.Name);
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var parsed = ArcNameParser.ParseName (arc_name);
if (null == parsed)
return null;
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var toc_name = VFS.CombinePath (VFS.GetDirectoryName (file.Name), parsed.Item1);
var toc = ReadToc (toc_name, 4);
if (null == toc)
return null;
bool has_images = false;
var dir = new List<Entry>();
using (var toc_stream = new MemoryStream (toc))
using (var index = new StreamReader (toc_stream))
{
string line;
while ((line = index.ReadLine()) != null)
{
var fields = line.Split (',');
if (fields.Length != 5)
return null;
var name = Path.ChangeExtension (fields[0], fields[4]);
string type = "";
if ("b" == fields[4])
{
type = "image";
has_images = true;
}
else if ("k" == fields[4] || "j" == fields[4])
type = "audio";
var entry = new PackedEntry
{
Name = name,
Type = type,
Offset = UInt32.Parse (fields[3]),
Size = UInt32.Parse (fields[2]),
UnpackedSize = UInt32.Parse (fields[1]),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.IsPacked = entry.UnpackedSize != entry.Size;
dir.Add (entry);
}
}
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return ArchiveFromDir (file, dir, has_images);
}
protected override IImageDecoder DecryptImage (IBinaryStream input, AImageScheme scheme)
{
int id = input.ReadByte();
if (id == scheme.Value2)
return new AImageReader (input, scheme);
input.Position = 0;
return new ImageFormatDecoder (input);
}
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}
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[Export(typeof(ArchiveFormat))]
public class OldDatOpener2 : DatOpener
{
public override string Tag { get { return "ARC/Csystem/2"; } }
public override string Description { get { return "TinkerBell resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public OldDatOpener2 ()
{
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Extensions = new string[] { "dat" };
}
public override ArcFile TryOpen (ArcView file)
{
var arc_name = Path.GetFileName (file.Name);
var parsed = OldDatOpener.ArcNameParser.ParseName (arc_name);
if (null == parsed)
return null;
var toc_name = VFS.CombinePath (VFS.GetDirectoryName (file.Name), parsed.Item1);
var toc = ReadToc (toc_name, 4);
if (null == toc)
return null;
using (var index = new DatIndexReader (toc, file))
{
if (!index.Read())
return null;
return ArchiveFromDir (file, index.Dir, index.HasImages);
}
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}
}
internal sealed class TocUnpacker : IDisposable
{
ArcView m_file;
bool m_should_dispose;
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public long Length { get { return m_file.MaxOffset; } }
public uint PackedSize { get; private set; }
public uint UnpackedSize { get; private set; }
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public TocUnpacker (string toc_name) : this (VFS.OpenView (toc_name), true)
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{
}
public TocUnpacker (ArcView file, bool should_dispose = false)
{
m_file = file;
m_should_dispose = should_dispose;
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}
public byte[] Unpack (int num_length)
{
return Unpack (0, num_length);
}
public byte[] Unpack (long offset, int num_length)
{
long data_offset = offset + num_length*2;
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if (m_file.MaxOffset <= data_offset)
return null;
UnpackedSize = DecodeDecimal (offset, num_length);
if (UnpackedSize <= 4 || UnpackedSize > 0x1000000)
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return null;
PackedSize = DecodeDecimal (offset+num_length, num_length);
if (PackedSize > m_file.MaxOffset - data_offset || 0 == PackedSize)
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return null;
return UnpackAt (data_offset);
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}
byte[] UnpackAt (long offset)
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{
using (var toc_s = m_file.CreateStream (offset, PackedSize))
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using (var lzss = new LzssStream (toc_s))
{
var toc = new byte[UnpackedSize];
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if (toc.Length != lzss.Read (toc, 0, toc.Length))
return null;
return toc;
}
}
internal uint DecodeDecimal (long offset, int num_length)
{
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uint v = 0;
uint rank = 1;
for (int i = num_length-1; i >= 0; --i, rank *= 10)
{
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uint b = m_file.View.ReadByte (offset+i);
if (b != 0xFF)
v += (b ^ 0x7F) * rank;
}
return v;
}
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bool _disposed = false;
public void Dispose ()
{
if (m_should_dispose && !_disposed)
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{
m_file.Dispose();
_disposed = true;
}
}
}
internal abstract class IndexReader : IDisposable
{
protected IBinaryStream m_index;
readonly long m_max_offset;
private List<Entry> m_dir;
public List<Entry> Dir { get { return m_dir; } }
public long MaxOffset { get { return m_max_offset; } }
public bool HasImages { get; protected set; }
public IndexReader (byte[] toc, ArcView file)
{
m_index = new BinMemoryStream (toc);
m_max_offset = file.MaxOffset;
}
public bool Read ()
{
int entry_size = m_index.ReadInt32();
if (entry_size < 0x11)
return false;
int count = (int)m_index.Length / (entry_size + 4);
if (!ArchiveFormat.IsSaneCount (count))
return false;
long next_pos = 0;
m_dir = new List<Entry> (count);
while (next_pos < m_index.Length)
{
m_index.Position = next_pos;
entry_size = m_index.ReadInt32();
if (entry_size <= 0)
return false;
next_pos += 4 + entry_size;
var entry = ReadEntryInfo();
if (ReadEntryType (entry, entry_size))
{
if (entry.CheckPlacement (MaxOffset))
m_dir.Add (entry);
}
}
return true;
}
uint m_fault_id = 100000;
internal PackedEntry ReadEntryInfo ()
{
uint id = m_index.ReadUInt32();
if (id > m_fault_id)
id = m_fault_id++;
var entry = new PackedEntry { Name = id.ToString ("D6") };
entry.UnpackedSize = m_index.ReadUInt32();
entry.Size = m_index.ReadUInt32();
entry.IsPacked = entry.UnpackedSize != entry.Size;
entry.Offset = m_index.ReadUInt32();
return entry;
}
protected abstract bool ReadEntryType (Entry entry, int entry_size);
public void Dispose ()
{
Dispose (true);
}
bool _disposed = false;
protected virtual void Dispose (bool disposing)
{
if (disposing && !_disposed)
{
m_index.Dispose();
_disposed = true;
}
}
}
internal class ArcIndexReader : IndexReader
{
int m_arc_number;
string m_game_name;
bool m_ignore_b_files = false;
public ArcIndexReader (byte[] toc, ArcView file, int arc_number, string game_name = null) : base (toc, file)
{
m_arc_number = arc_number;
m_game_name = game_name;
m_ignore_b_files = m_game_name == "ドキドキ母娘レッスン ~教えて♪Hなお勉強~";
}
char[] m_type = new char[2];
protected override bool ReadEntryType (Entry entry, int entry_size)
{
m_type[0] = (char)m_index.ReadByte();
m_type[1] = (char)m_index.ReadByte();
int entry_idx = 0;
if (entry_size >= 0x17)
{
m_index.ReadInt32();
entry_idx = m_index.ReadByte();
}
if (entry_idx != m_arc_number)
return false;
if (m_type[0] > 0x20 && m_type[0] < 0x7F)
{
string ext;
if (m_type[1] > 0x20 && m_type[1] < 0x7F)
ext = new string (m_type);
else
ext = new string (m_type[0], 1);
if ("b0" == ext || "n0" == ext || "o0" == ext || "0b" == ext || ("b" == ext && !m_ignore_b_files))
{
entry.Type = "image";
HasImages = true;
}
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else if ("j0" == ext || "k0" == ext || "u0" == ext || "j" == ext || "k" == ext)
entry.Type = "audio";
entry.Name = Path.ChangeExtension (entry.Name, ext);
}
return true;
}
}
internal class DatIndexReader : IndexReader
{
public DatIndexReader (byte[] toc, ArcView file) : base (toc, file)
{
}
protected override bool ReadEntryType (Entry entry, int entry_size)
{
if (entry_size > 0x11)
throw new InvalidFormatException();
char type = (char)m_index.ReadByte();
if (type > 0x20 && type < 0x7F)
{
string ext = new string (type, 1);
if ('b' == type)
{
entry.Type = "image";
HasImages = true;
}
else if ('k' == type || 'j' == type)
entry.Type = "audio";
entry.Name = Path.ChangeExtension (entry.Name, ext);
}
return true;
}
}
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}