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732 lines
25 KiB
C#
732 lines
25 KiB
C#
//! \file ArcDAT.cs
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//! \date Thu Jun 16 13:48:04 2016
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//! \brief Tinker Bell resource archive.
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//
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// Copyright (C) 2016 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Text.RegularExpressions;
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using GameRes.Compression;
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using GameRes.Formats.Properties;
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using GameRes.Formats.Strings;
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using GameRes.Utility;
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namespace GameRes.Formats.Cyberworks
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{
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internal class BellArchive : ArcFile
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{
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public readonly AImageScheme Scheme;
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public BellArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, AImageScheme scheme)
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: base (arc, impl, dir)
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{
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Scheme = scheme;
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}
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}
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internal abstract class ArchiveNameParser
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{
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readonly Regex m_regex;
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protected ArchiveNameParser (string pattern)
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{
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m_regex = new Regex (pattern, RegexOptions.IgnoreCase);
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}
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/// <summary>
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/// Returns toc filename and archive index corresponding to <paramref name="arc_name"/>.
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/// </summary>
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public Tuple<string, int> ParseName (string arc_name)
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{
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var match = m_regex.Match (arc_name);
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if (!match.Success)
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return null;
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int arc_idx;
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var toc_name = ParseMatch (match, out arc_idx);
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if (null == toc_name)
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return null;
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return Tuple.Create (toc_name, arc_idx);
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}
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protected abstract string ParseMatch (Match match, out int arc_idx);
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}
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internal class ArcNameParser : ArchiveNameParser
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{
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public ArcNameParser () : base (@"^.+0(?<id>(?<num>\d)(?<idx>[a-z])?)(?:|\..*)$") { }
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protected override string ParseMatch (Match match, out int arc_idx)
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{
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arc_idx = 0;
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char num = match.Groups["num"].Value[0];
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int index_num;
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if (num >= '4' && num <= '6')
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index_num = num - '3';
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else if ('8' == num)
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index_num = 7;
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else
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return null;
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if (match.Groups["idx"].Success)
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arc_idx = char.ToUpper (match.Groups["idx"].Value[0]) - '@';
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var toc_name_builder = new StringBuilder (match.Value);
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var num_pos = match.Groups["id"].Index;
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toc_name_builder.Remove (num_pos, match.Groups["id"].Length);
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toc_name_builder.Insert (num_pos, index_num);
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return toc_name_builder.ToString();
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}
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}
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internal class DatNameParser : ArchiveNameParser
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{
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public DatNameParser () : base (@"^(?<name>d[a-z]+?)(?<idx>[ah])?\.dat$") { }
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protected override string ParseMatch (Match match, out int arc_idx)
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{
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var toc_name_builder = new StringBuilder (match.Groups["name"].Value);
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arc_idx = 0;
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if (match.Groups["idx"].Success)
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{
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if ('a' == match.Groups["idx"].Value[0])
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{
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arc_idx = 1;
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toc_name_builder.Append ('h');
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}
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}
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else
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toc_name_builder.Append ('h');
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toc_name_builder.Append (".dat");
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return toc_name_builder.ToString();
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}
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}
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internal class OldArcNameParser : ArchiveNameParser
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{
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public OldArcNameParser () : base (@"^Arc0(?<num>\d)\..*$") { }
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// matches archive body to its index
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static readonly IDictionary<char, int> s_arcmap = new Dictionary<char, int> {
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{ '2', 0 }, { '3', 1 }, { '5', 4 }
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};
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protected override string ParseMatch (Match match, out int arc_idx)
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{
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arc_idx = 0;
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char num = match.Groups["num"].Value[0];
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int index_num;
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if (!s_arcmap.TryGetValue (num, out index_num))
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return null;
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var toc_name_builder = new StringBuilder (match.Value);
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var num_pos = match.Groups["num"].Index;
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toc_name_builder.Remove (num_pos, match.Groups["num"].Length);
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toc_name_builder.Insert (num_pos, index_num);
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return toc_name_builder.ToString();
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}
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}
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internal class InKyouParser : ArchiveNameParser
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{
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public InKyouParser () : base (@"^inyoukyou_kuon\.app$") { }
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protected override string ParseMatch (Match match, out int arc_idx)
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{
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arc_idx = 0;
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return "inyoukyou_kuon.dat";
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class DatOpener : ArchiveFormat
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{
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public override string Tag { get { return "ARC/Cyberworks"; } }
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public override string Description { get { return "Cyberworks/TinkerBell resource archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public DatOpener ()
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{
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Extensions = new string[] { "dat", "04", "05", "06", "app" };
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}
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public bool BlendOverlayImages = true;
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static readonly ArchiveNameParser[] s_name_parsers = {
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new ArcNameParser(), new DatNameParser(), new InKyouParser()
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};
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public override ArcFile TryOpen (ArcView file)
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{
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var arc_name = Path.GetFileName (file.Name);
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var dir_name = VFS.GetDirectoryName (file.Name);
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string game_name = arc_name != "Arc06.dat" ? TryParseMeta (VFS.CombinePath (dir_name, "Arc06.dat")) : null;
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Tuple<string, int> parsed = null;
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if (string.IsNullOrEmpty (game_name))
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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
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parsed = OldDatOpener.ArcNameParser.ParseName (arc_name);
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if (null == parsed)
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return null;
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string toc_name = parsed.Item1;
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int arc_idx = parsed.Item2;
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toc_name = VFS.CombinePath (dir_name, toc_name);
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var toc = ReadToc (toc_name, 8);
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if (null == toc)
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return null;
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using (var index = new ArcIndexReader (toc, file, arc_idx))
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{
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if (!index.Read())
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return null;
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return ArchiveFromDir (file, index.Dir, index.HasImages);
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}
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}
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internal ArcFile ArchiveFromDir (ArcView file, List<Entry> dir, bool has_images)
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{
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if (0 == dir.Count)
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return null;
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if (!has_images)
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return new ArcFile (file, this, dir);
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var scheme = QueryScheme (file.Name);
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return new BellArchive (file, this, dir, scheme);
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}
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/// <summary>
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// Try to parse file containing game meta-information.
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/// </summary>
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internal string TryParseMeta (string meta_arc_name)
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{
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if (!VFS.FileExists (meta_arc_name))
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return null;
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using (var unpacker = new TocUnpacker (meta_arc_name))
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{
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if (unpacker.Length > 0x1000)
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return null;
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var data = unpacker.Unpack (8);
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if (null == data)
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return null;
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using (var content = new BinMemoryStream (data))
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{
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int title_length = content.ReadInt32();
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if (title_length <= 0 || title_length > content.Length)
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return null;
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var title = content.ReadBytes (title_length);
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if (title.Length != title_length)
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return null;
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return Encodings.cp932.GetString (title);
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}
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}
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}
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internal byte[] ReadToc (string toc_name, int num_length)
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{
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if (!VFS.FileExists (toc_name))
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return null;
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using (var toc_unpacker = new TocUnpacker (toc_name))
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return toc_unpacker.Unpack (num_length);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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Stream input = arc.File.CreateStream (entry.Offset, entry.Size);
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var pent = entry as PackedEntry;
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if (null != pent && pent.IsPacked)
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{
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input = new BufferedStream (input);
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input = new LzssStream (input);
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}
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return input;
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}
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public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
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{
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var barc = arc as BellArchive;
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if (null == barc || entry.Size < 5)
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return base.OpenImage (arc, entry);
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var input = arc.OpenBinaryEntry (entry);
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try
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{
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var reader = DecryptImage (input, barc.Scheme);
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if (BlendOverlayImages && reader is AImageReader)
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reader = BlendAImage (barc, entry, reader as AImageReader);
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return reader;
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}
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catch
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{
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input.Dispose();
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throw;
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}
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}
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protected virtual IImageDecoder DecryptImage (IBinaryStream input, AImageScheme scheme)
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{
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int type = input.ReadByte();
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if ('c' == type || 'b' == type)
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{
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uint img_size = Binary.BigEndian (input.ReadUInt32());
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if (input.Length - 5 == img_size)
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{
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input = BinaryStream.FromStream (new StreamRegion (input.AsStream, 5, img_size), input.Name);
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}
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}
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else if (scheme != null && 'a' == type && input.Length > 21)
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{
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int id = input.ReadByte();
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if (id == scheme.Value2)
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{
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return new AImageReader (input, scheme);
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}
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}
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input.Position = 0;
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return new ImageFormatDecoder (input);
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}
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IImageDecoder BlendAImage (BellArchive arc, Entry entry, AImageReader overlay)
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{
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var header = overlay.ReadHeader();
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if (header[0] != 1)
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return overlay;
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var scheme = arc.Scheme;
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var dir = (List<Entry>)arc.Dir;
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int i = dir.IndexOf (entry);
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while (--i >= 0 && "image" == dir[i].Type)
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{
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using (var input = OpenEntry (arc, dir[i]))
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{
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int type = input.ReadByte();
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if (type != 'a')
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break;
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int id = input.ReadByte();
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if (id != scheme.Value2)
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break;
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using (var bin = new BinaryStream (input, dir[i].Name))
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using (var base_image = new AImageReader (bin, scheme))
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{
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var base_header = base_image.ReadHeader();
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if (1 == base_header[0])
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continue;
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// check if image width/height are the same
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if (base_header[3] == header[3] && base_header[4] == header[4])
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{
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base_image.Unpack();
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overlay.Baseline = base_image.Data;
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}
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break;
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}
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}
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}
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return overlay;
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}
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internal AImageScheme QueryScheme (string arc_name)
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{
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var title = FormatCatalog.Instance.LookupGame (arc_name);
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if (!string.IsNullOrEmpty (title) && KnownSchemes.ContainsKey (title))
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return KnownSchemes[title];
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var options = Query<BellOptions> (arcStrings.ArcEncryptedNotice);
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return options.Scheme;
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}
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public override ResourceOptions GetDefaultOptions ()
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{
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return new BellOptions { Scheme = GetScheme (Settings.Default.BELLTitle) };
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}
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public override object GetAccessWidget ()
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{
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return new GUI.WidgetBELL();
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}
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public static AImageScheme GetScheme (string title)
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{
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AImageScheme scheme = null;
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if (string.IsNullOrEmpty (title) || !KnownSchemes.TryGetValue (title, out scheme))
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return null;
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return scheme;
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}
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public static Dictionary<string, AImageScheme> KnownSchemes = new Dictionary<string, AImageScheme>();
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public override ResourceScheme Scheme
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{
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get { return new SchemeMap { KnownSchemes = KnownSchemes }; }
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set { KnownSchemes = ((SchemeMap)value).KnownSchemes; }
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}
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}
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[Serializable]
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public class AImageScheme
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{
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public byte Value1;
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public byte Value2;
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public byte Value3;
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public byte[] HeaderOrder;
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public bool Flipped;
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public AImageScheme ()
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{
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Flipped = true;
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}
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}
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[Serializable]
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public class SchemeMap : ResourceScheme
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{
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public Dictionary<string, AImageScheme> KnownSchemes;
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}
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public class BellOptions : ResourceOptions
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{
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public AImageScheme Scheme;
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}
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[Export(typeof(ArchiveFormat))]
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public class OldDatOpener : DatOpener
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{
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public override string Tag { get { return "ARC/Csystem"; } }
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public override string Description { get { return "TinkerBell resource archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public OldDatOpener ()
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{
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Extensions = new string[] { "dat" };
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}
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internal static readonly ArchiveNameParser ArcNameParser = new OldArcNameParser();
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public override ArcFile TryOpen (ArcView file)
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{
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var arc_name = Path.GetFileName (file.Name);
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var parsed = ArcNameParser.ParseName (arc_name);
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if (null == parsed)
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return null;
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var toc_name = VFS.CombinePath (VFS.GetDirectoryName (file.Name), parsed.Item1);
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var toc = ReadToc (toc_name, 4);
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if (null == toc)
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return null;
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bool has_images = false;
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var dir = new List<Entry>();
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using (var toc_stream = new MemoryStream (toc))
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using (var index = new StreamReader (toc_stream))
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{
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string line;
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while ((line = index.ReadLine()) != null)
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{
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var fields = line.Split (',');
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if (fields.Length != 5)
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return null;
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var name = Path.ChangeExtension (fields[0], fields[4]);
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string type = "";
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if ("b" == fields[4])
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{
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type = "image";
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has_images = true;
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}
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else if ("k" == fields[4] || "j" == fields[4])
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type = "audio";
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var entry = new PackedEntry
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{
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Name = name,
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Type = type,
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Offset = UInt32.Parse (fields[3]),
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Size = UInt32.Parse (fields[2]),
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UnpackedSize = UInt32.Parse (fields[1]),
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};
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.IsPacked = entry.UnpackedSize != entry.Size;
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dir.Add (entry);
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}
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}
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return ArchiveFromDir (file, dir, has_images);
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}
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protected override IImageDecoder DecryptImage (IBinaryStream input, AImageScheme scheme)
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{
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int id = input.ReadByte();
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if (id == scheme.Value2)
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return new AImageReader (input, scheme);
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input.Position = 0;
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return new ImageFormatDecoder (input);
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class OldDatOpener2 : DatOpener
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{
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public override string Tag { get { return "ARC/Csystem/2"; } }
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public override string Description { get { return "TinkerBell resource archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanWrite { get { return false; } }
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public OldDatOpener2 ()
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{
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Extensions = new string[] { "dat" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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var arc_name = Path.GetFileName (file.Name);
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var parsed = OldDatOpener.ArcNameParser.ParseName (arc_name);
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if (null == parsed)
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return null;
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var toc_name = VFS.CombinePath (VFS.GetDirectoryName (file.Name), parsed.Item1);
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var toc = ReadToc (toc_name, 4);
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if (null == toc)
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return null;
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using (var index = new DatIndexReader (toc, file))
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{
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if (!index.Read())
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return null;
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return ArchiveFromDir (file, index.Dir, index.HasImages);
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}
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}
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}
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internal sealed class TocUnpacker : IDisposable
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{
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ArcView m_file;
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bool m_should_dispose;
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public long Length { get { return m_file.MaxOffset; } }
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public uint PackedSize { get; private set; }
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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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{
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}
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public TocUnpacker (ArcView file, bool should_dispose = false)
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{
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m_file = file;
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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;
|
|
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;
|
|
m_index.Position = 0;
|
|
m_dir = new List<Entry> (count);
|
|
while (m_index.Position < m_index.Length)
|
|
{
|
|
entry_size = m_index.ReadInt32();
|
|
if (entry_size <= 0)
|
|
return false;
|
|
var next_pos = m_index.Position + entry_size;
|
|
var entry = ReadEntryInfo();
|
|
if (ReadEntryType (entry, entry_size))
|
|
{
|
|
if (entry.CheckPlacement (MaxOffset))
|
|
m_dir.Add (entry);
|
|
}
|
|
m_index.Position = next_pos;
|
|
}
|
|
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;
|
|
}
|
|
}
|
|
}
|