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add image format support for CSystem when there is Resources subdirectory And update database
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ichiNose
242
ArcFormats/Cyberworks/ArcDATA.cs
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242
ArcFormats/Cyberworks/ArcDATA.cs
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//! \file ArcDATA.cs
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//! \date 2025 Apr 14
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//! \brief Tinker Bell resource archive in Resources subdirectory.
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//
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// Copyright (C) 2016-2017 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.IO;
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using System.ComponentModel.Composition;
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using System.Collections.Generic;
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using GameRes.Compression;
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using GameRes.Formats.Strings;
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using GameRes.Utility;
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using GameRes.Strings;
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namespace GameRes.Formats.Cyberworks
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{
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[Serializable]
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public class DataScheme
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{
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public int ExtraHeaderSize;
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}
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[Serializable]
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public class DataSchemeMap : ResourceScheme
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{
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public Dictionary<string, DataScheme> KnownSchemes;
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}
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public class DataOptions : ResourceOptions
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{
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public string Scheme;
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}
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[Export(typeof(ArchiveFormat))]
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public class DataOpener : ArchiveFormat
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{
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public override string Tag { get { return "DATA/Csystem"; } }
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public override string Description { get { return "TinkerBell resource archive in Resources subdirectory"; } }
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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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static DataSchemeMap DefaultScheme = new DataSchemeMap { KnownSchemes = new Dictionary<string, DataScheme>() };
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static public Dictionary<string, DataScheme> KnownSchemes { get { return DefaultScheme.KnownSchemes; } }
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public override ResourceScheme Scheme
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{
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get { return DefaultScheme; }
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set { DefaultScheme = (DataSchemeMap)value; }
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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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if ("Data00.dat".Equals(arc_name, StringComparison.OrdinalIgnoreCase))
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return null;
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if (!int.TryParse(arc_name.Substring(4, arc_name.IndexOf('.') - 4), out int arc_index))
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return null;
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var scheme = QueryScheme(arc_name);
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var dir = ScanDir(VFS.CombinePath(dir_name, "Data00.dat"), arc_index, scheme);
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if (null == dir || 0 == dir.Count)
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return null;
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return new ArcFile(file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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if (0 == entry.Size)
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throw new FileSizeException(garStrings.MsgFileIsEmpty); //in some cases,the size of entry maybe 0,like game Mujina(vndb.org/v48764).
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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 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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if(entry.Size < 0x1D)
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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);
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var data_img_decoder = reader as DataImageDecoder;
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if (null != data_img_decoder
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&& data_img_decoder.HasBaseImage)
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{
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data_img_decoder.ReadBaseImage(arc);
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}
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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)
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{
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var type = input.ReadByte();
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switch (type)
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{
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case 0x61:
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case 0x64:
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{
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return new DataImageDecoder(input,type);
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}
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case 0x62:
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case 0x63:
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{
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var img_size = Binary.BigEndian(input.ReadUInt32());
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var start_pos = input.Length - img_size;
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input = BinaryStream.FromStream(new StreamRegion(input.AsStream, start_pos, img_size),input.Name);
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break;
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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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List<Entry> ScanDir(string toc_arc_name, int arc_index, DataScheme scheme)
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{
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if(!VFS.FileExists(toc_arc_name))
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return null;
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var dir = new List<Entry>();
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var toc_offset = 0;
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using (var toc_file = VFS.OpenView(toc_arc_name))
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{
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var data_file_count = toc_file.View.ReadInt32(toc_offset);
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toc_offset += 4;
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if(arc_index >= data_file_count)
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return null;
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for (var i = 0; i < data_file_count; ++i)
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{
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var data_entry_count = toc_file.View.ReadInt32(toc_offset);
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toc_offset += 4;
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for (var j = 0; j < data_entry_count; ++j)
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{
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if (i == arc_index)
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{
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var entry = new PackedEntry { Name = string.Format("{0:D4}", j) };
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entry.UnpackedSize = toc_file.View.ReadUInt32(toc_offset);
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entry.Size = toc_file.View.ReadUInt32(toc_offset + 4);
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entry.Offset = toc_file.View.ReadUInt32(toc_offset + 8);
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entry.IsPacked = (0 != entry.UnpackedSize);
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entry.Type = "image";
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dir.Add(entry);
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}
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toc_offset += (0xC + scheme.ExtraHeaderSize);
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}
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var unknow_chunkA_count = toc_file.View.ReadInt32(toc_offset);
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toc_offset += 4;
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for (var j = 0; j < unknow_chunkA_count; ++j)
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{
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toc_offset += 0xC;
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var chunkA_extra_count = toc_file.View.ReadInt32(toc_offset);
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toc_offset += 4;
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toc_offset += ((chunkA_extra_count-1) * 4);
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toc_offset += (chunkA_extra_count * 0xC);
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}
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var unknow_chunkB_count = toc_file.View.ReadInt32(toc_offset);
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toc_offset += 4;
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if (0 != unknow_chunkB_count)
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{
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toc_offset += 4;
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var chunkB_extra_count = toc_file.View.ReadInt32(toc_offset);
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toc_offset += 4;
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toc_offset += (chunkB_extra_count*8);
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}
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}
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}
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return dir;
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}
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DataScheme QueryScheme(string arc_name)
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{
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var title = FormatCatalog.Instance.LookupGame(arc_name, @"..\*.exe");
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DataScheme scheme = new DataScheme();
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if (!string.IsNullOrEmpty(title) && KnownSchemes.TryGetValue(title, out scheme))
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return scheme;
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var options = Query<DataOptions>(arcStrings.ArcEncryptedNotice);
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if (null != options)
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KnownSchemes.TryGetValue(options.Scheme,out scheme);
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return scheme;
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}
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public override object GetAccessWidget()
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{
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return new GUI.WidgetBELLDATA();
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}
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public override ResourceOptions GetDefaultOptions()
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{
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return new DataOptions { Scheme = Properties.Settings.Default.BELLDATATitle };
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}
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}
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}
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