mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-27 15:44:00 +08:00
720 lines
24 KiB
C#
720 lines
24 KiB
C#
//! \file ArcDAT.cs
|
|
//! \date Thu Jun 16 13:48:04 2016
|
|
//! \brief Tinker Bell resource archive.
|
|
//
|
|
// Copyright (C) 2016-2017 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 System.Linq;
|
|
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
|
|
{
|
|
readonly Regex m_regex;
|
|
|
|
protected ArchiveNameParser (string pattern)
|
|
{
|
|
m_regex = new Regex (pattern, RegexOptions.IgnoreCase);
|
|
}
|
|
|
|
/// <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])?)(?:|\..*)$") { }
|
|
|
|
protected override string ParseMatch (Match match, out int arc_idx)
|
|
{
|
|
arc_idx = 0;
|
|
char num = match.Groups["num"].Value[0];
|
|
int index_num;
|
|
if (num >= '4' && num <= '6')
|
|
index_num = num - '3';
|
|
else if ('8' == num)
|
|
index_num = 7;
|
|
else
|
|
return null;
|
|
if (match.Groups["idx"].Success)
|
|
arc_idx = char.ToUpper (match.Groups["idx"].Value[0]) - '@';
|
|
|
|
var toc_name_builder = new StringBuilder (match.Value);
|
|
var num_pos = match.Groups["id"].Index;
|
|
toc_name_builder.Remove (num_pos, match.Groups["id"].Length);
|
|
toc_name_builder.Insert (num_pos, index_num);
|
|
return toc_name_builder.ToString();
|
|
}
|
|
}
|
|
|
|
internal class DatNameParser : ArchiveNameParser
|
|
{
|
|
public DatNameParser () : base (@"^(?<name>d[a-z]+?)(?<idx>[ah])?\.dat$") { }
|
|
|
|
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();
|
|
}
|
|
}
|
|
|
|
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
|
|
{
|
|
public InKyouParser () : base (@"^inyoukyou_kuon\.app$") { }
|
|
|
|
protected override string ParseMatch (Match match, out int arc_idx)
|
|
{
|
|
arc_idx = 0;
|
|
return "inyoukyou_kuon.dat";
|
|
}
|
|
}
|
|
|
|
[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; } }
|
|
|
|
public DatOpener ()
|
|
{
|
|
Extensions = new string[] { "dat", "04", "05", "06", "app" };
|
|
}
|
|
|
|
public bool BlendOverlayImages = true;
|
|
|
|
static readonly ArchiveNameParser[] s_name_parsers = {
|
|
new ArcNameParser(),
|
|
new DatNameParser(),
|
|
new PatchNameParser(),
|
|
new InKyouParser()
|
|
};
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
var arc_name = Path.GetFileName (file.Name);
|
|
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))
|
|
parsed = s_name_parsers.Select (p => p.ParseName (arc_name)).FirstOrDefault (p => p != null);
|
|
else // Shukujo no Tsuyagoto special case
|
|
parsed = OldDatOpener.ArcNameParser.ParseName (arc_name);
|
|
if (null == parsed)
|
|
return null;
|
|
string toc_name = parsed.Item1;
|
|
int arc_idx = parsed.Item2;
|
|
|
|
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))
|
|
{
|
|
if (!index.Read())
|
|
return null;
|
|
return ArchiveFromDir (file, index.Dir, index.HasImages);
|
|
}
|
|
}
|
|
|
|
internal ArcFile ArchiveFromDir (ArcView file, List<Entry> dir, bool has_images)
|
|
{
|
|
if (0 == dir.Count)
|
|
return null;
|
|
if (!has_images)
|
|
return new ArcFile (file, this, dir);
|
|
var scheme = QueryScheme (file.Name);
|
|
return new BellArchive (file, this, dir, scheme);
|
|
}
|
|
|
|
/// <summary>
|
|
// Try to parse file containing game meta-information.
|
|
/// </summary>
|
|
internal string TryParseMeta (string meta_arc_name)
|
|
{
|
|
if (!VFS.FileExists (meta_arc_name))
|
|
return null;
|
|
using (var unpacker = new TocUnpacker (meta_arc_name))
|
|
{
|
|
if (unpacker.Length > 0x1000)
|
|
return null;
|
|
var data = unpacker.Unpack (8);
|
|
if (null == data)
|
|
return null;
|
|
using (var content = new BinMemoryStream (data))
|
|
{
|
|
int title_length = content.ReadInt32();
|
|
if (title_length <= 0 || title_length > content.Length)
|
|
return null;
|
|
var title = content.ReadBytes (title_length);
|
|
if (title.Length != title_length)
|
|
return null;
|
|
return Encodings.cp932.GetString (title);
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
Stream input = arc.File.CreateStream (entry.Offset, entry.Size);
|
|
var pent = entry as PackedEntry;
|
|
if (null != pent && pent.IsPacked)
|
|
{
|
|
input = new LzssStream (input);
|
|
}
|
|
return input;
|
|
}
|
|
|
|
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
|
|
{
|
|
var barc = arc as BellArchive;
|
|
if (null == barc || entry.Size < 5)
|
|
return base.OpenImage (arc, entry);
|
|
var input = arc.OpenBinaryEntry (entry);
|
|
try
|
|
{
|
|
var reader = DecryptImage (input, barc.Scheme);
|
|
if (BlendOverlayImages)
|
|
{
|
|
var overlay = reader as AImageReader;
|
|
if (overlay != null)
|
|
overlay.ReadBaseline (barc, entry);
|
|
}
|
|
return reader;
|
|
}
|
|
catch
|
|
{
|
|
input.Dispose();
|
|
throw;
|
|
}
|
|
}
|
|
|
|
protected virtual IImageDecoder DecryptImage (IBinaryStream input, AImageScheme scheme)
|
|
{
|
|
int type = input.ReadByte();
|
|
if ('c' == type || 'b' == type)
|
|
{
|
|
uint img_size = Binary.BigEndian (input.ReadUInt32());
|
|
if (input.Length - 5 == img_size)
|
|
{
|
|
input = BinaryStream.FromStream (new StreamRegion (input.AsStream, 5, img_size), input.Name);
|
|
}
|
|
}
|
|
else if (scheme != null && ('a' == type || 'd' == type) && input.Length > 21)
|
|
{
|
|
int id = input.ReadByte();
|
|
if (id == scheme.Value2)
|
|
{
|
|
return new AImageReader (input, scheme, type);
|
|
}
|
|
}
|
|
input.Position = 0;
|
|
return new ImageFormatDecoder (input);
|
|
}
|
|
|
|
internal AImageScheme QueryScheme (string arc_name)
|
|
{
|
|
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;
|
|
}
|
|
|
|
public override ResourceOptions GetDefaultOptions ()
|
|
{
|
|
return new BellOptions { Scheme = GetScheme (Properties.Settings.Default.BELLTitle) };
|
|
}
|
|
|
|
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; } }
|
|
|
|
public override ResourceScheme Scheme
|
|
{
|
|
get { return DefaultScheme; }
|
|
set { DefaultScheme = (SchemeMap)value; }
|
|
}
|
|
}
|
|
|
|
[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" };
|
|
}
|
|
|
|
internal static readonly ArchiveNameParser ArcNameParser = new OldArcNameParser();
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
var arc_name = Path.GetFileName (file.Name);
|
|
var parsed = 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;
|
|
|
|
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);
|
|
}
|
|
}
|
|
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);
|
|
}
|
|
}
|
|
|
|
[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 ()
|
|
{
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
|
|
internal sealed class TocUnpacker : IDisposable
|
|
{
|
|
ArcView m_file;
|
|
bool m_should_dispose;
|
|
|
|
public long Length { get { return m_file.MaxOffset; } }
|
|
public uint PackedSize { get; private set; }
|
|
public uint UnpackedSize { get; private set; }
|
|
|
|
public TocUnpacker (string toc_name) : this (VFS.OpenView (toc_name), true)
|
|
{
|
|
}
|
|
|
|
public TocUnpacker (ArcView file, bool should_dispose = false)
|
|
{
|
|
m_file = file;
|
|
m_should_dispose = should_dispose;
|
|
}
|
|
|
|
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;
|
|
if (m_file.MaxOffset <= data_offset)
|
|
return null;
|
|
UnpackedSize = DecodeDecimal (offset, num_length);
|
|
if (UnpackedSize <= 4 || UnpackedSize > 0x1000000)
|
|
return null;
|
|
PackedSize = DecodeDecimal (offset+num_length, num_length);
|
|
if (PackedSize > m_file.MaxOffset - data_offset || 0 == PackedSize)
|
|
return null;
|
|
return UnpackAt (data_offset);
|
|
}
|
|
|
|
byte[] UnpackAt (long offset)
|
|
{
|
|
using (var toc_s = m_file.CreateStream (offset, PackedSize))
|
|
using (var lzss = new LzssStream (toc_s))
|
|
{
|
|
var toc = new byte[UnpackedSize];
|
|
if (toc.Length != lzss.Read (toc, 0, toc.Length))
|
|
return null;
|
|
return toc;
|
|
}
|
|
}
|
|
|
|
internal uint DecodeDecimal (long offset, int num_length)
|
|
{
|
|
uint v = 0;
|
|
uint rank = 1;
|
|
for (int i = num_length-1; i >= 0; --i, rank *= 10)
|
|
{
|
|
uint b = m_file.View.ReadByte (offset+i);
|
|
if (b != 0xFF)
|
|
v += (b ^ 0x7F) * rank;
|
|
}
|
|
return v;
|
|
}
|
|
|
|
bool _disposed = false;
|
|
public void Dispose ()
|
|
{
|
|
if (m_should_dispose && !_disposed)
|
|
{
|
|
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;
|
|
}
|
|
|
|
internal PackedEntry ReadEntryInfo ()
|
|
{
|
|
uint id = m_index.ReadUInt32();
|
|
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;
|
|
|
|
public ArcIndexReader (byte[] toc, ArcView file, int arc_number) : base (toc, file)
|
|
{
|
|
m_arc_number = arc_number;
|
|
}
|
|
|
|
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)
|
|
{
|
|
entry.Type = "image";
|
|
HasImages = true;
|
|
}
|
|
else if ("j0" == ext || "k0" == ext || "u0" == 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;
|
|
}
|
|
}
|
|
}
|