mirror of
https://github.com/crskycode/GARbro.git
synced 2024-10-23 15:48:16 +08:00
238 lines
8.9 KiB
C#
238 lines
8.9 KiB
C#
//! \file ArcHibiki.cs
|
|
//! \date Fri May 12 19:06:19 2017
|
|
//! \brief Hibiki Works resource archive.
|
|
//
|
|
// Copyright (C) 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.Diagnostics;
|
|
using System.IO;
|
|
using System.Linq;
|
|
using System.Runtime.Serialization.Formatters.Binary;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.YaneSDK
|
|
{
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class HDatOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "DAT/hibiki"; } }
|
|
public override string Description { get { return "YaneSDK engine resource archive"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public static readonly string SchemeFileName = "hibiki_works.dat";
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (!file.Name.HasExtension (".dat"))
|
|
return null;
|
|
int count = ReadCount (file);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
var scheme = QueryScheme (file.Name);
|
|
if (null == scheme)
|
|
return null;
|
|
return TryOpenWithScheme (file, count, scheme);
|
|
}
|
|
|
|
int ReadCount (ArcView file)
|
|
{
|
|
return (short)(file.View.ReadUInt16 (0) ^ 0x8080);
|
|
}
|
|
|
|
ArcFile TryOpenWithScheme (ArcView file, int count, HibikiDatScheme scheme)
|
|
{
|
|
var dat_name = Path.GetFileName (file.Name).ToLowerInvariant();
|
|
IList<HibikiTocRecord> toc_table = null;
|
|
if (scheme.ArcMap != null && scheme.ArcMap.TryGetValue (dat_name, out toc_table))
|
|
{
|
|
if (toc_table.Count != count)
|
|
toc_table = null;
|
|
}
|
|
using (var input = OpenLstIndex (file, dat_name, scheme))
|
|
using (var dec = new XoredStream (input, 0x80))
|
|
using (var index = new BinaryReader (dec))
|
|
{
|
|
const int name_length = 0x100;
|
|
int data_offset = 2 + (name_length + 10) * count;
|
|
index.BaseStream.Position = 2;
|
|
Func<int, Entry> read_entry;
|
|
if (null == toc_table)
|
|
{
|
|
var name_buf = new byte[name_length];
|
|
read_entry = i => {
|
|
if (name_length != index.Read (name_buf, 0, name_length))
|
|
return null;
|
|
var name = Binary.GetCString (name_buf, 0);
|
|
var entry = FormatCatalog.Instance.Create<Entry> (name);
|
|
index.ReadUInt16();
|
|
entry.Size = index.ReadUInt32();
|
|
entry.Offset = index.ReadUInt32();
|
|
return entry;
|
|
};
|
|
}
|
|
else
|
|
{
|
|
read_entry = i => {
|
|
index.BaseStream.Seek (name_length + 6, SeekOrigin.Current);
|
|
index.ReadUInt32(); // throws in case of EOF
|
|
var toc_entry = toc_table[i];
|
|
var entry = FormatCatalog.Instance.Create<Entry> (toc_entry.Name);
|
|
entry.Offset = toc_entry.Offset;
|
|
entry.Size = toc_entry.Size;
|
|
return entry;
|
|
};
|
|
}
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
var entry = read_entry (i);
|
|
if (null == entry || string.IsNullOrWhiteSpace (entry.Name)
|
|
|| entry.Offset < data_offset || entry.Size > file.MaxOffset)
|
|
return null;
|
|
dir.Add (entry);
|
|
}
|
|
return new HibikiArchive (file, this, dir, scheme.ContentKey);
|
|
}
|
|
}
|
|
|
|
Stream OpenLstIndex (ArcView file, string dat_name, HibikiDatScheme scheme)
|
|
{
|
|
var lst_name = Path.ChangeExtension (file.Name, ".lst");
|
|
if (VFS.FileExists (lst_name))
|
|
return VFS.OpenStream (lst_name);
|
|
else if ("init.dat" == dat_name)
|
|
return file.CreateStream();
|
|
// try to open 'init.dat' archive in the same directory
|
|
var init_dat = VFS.CombinePath (VFS.GetDirectoryName (file.Name), "init.dat");
|
|
if (!VFS.FileExists (init_dat))
|
|
return file.CreateStream();
|
|
try
|
|
{
|
|
using (var init = VFS.OpenView (init_dat))
|
|
using (var init_arc = TryOpenWithScheme (init, ReadCount (init), scheme))
|
|
{
|
|
lst_name = Path.GetFileName (lst_name);
|
|
var lst_entry = init_arc.Dir.First (e => e.Name == lst_name);
|
|
return init_arc.OpenEntry (lst_entry);
|
|
}
|
|
}
|
|
catch
|
|
{
|
|
return file.CreateStream();
|
|
}
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var harc = arc as HibikiArchive;
|
|
if (null == harc)
|
|
return base.OpenEntry (arc, entry);
|
|
var key = harc.Key;
|
|
uint encrypted = Math.Min (entry.Size, (uint)key.Length);
|
|
var header = arc.File.View.ReadBytes (entry.Offset, encrypted);
|
|
for (int i = 0; i < header.Length; ++i)
|
|
header[i] ^= key[i];
|
|
if (encrypted == entry.Size)
|
|
return new BinMemoryStream (header);
|
|
var rest = arc.File.CreateStream (entry.Offset + encrypted, entry.Size - encrypted);
|
|
return new PrefixStream (header, rest);
|
|
}
|
|
|
|
HibikiDatScheme QueryScheme (string arc_name)
|
|
{
|
|
if (null == KnownSchemes)
|
|
return null;
|
|
// XXX add GUI widget to select scheme
|
|
return KnownSchemes.Values.FirstOrDefault();
|
|
}
|
|
|
|
static Lazy<HibikiScheme> s_Scheme = new Lazy<HibikiScheme> (DeserializeScheme);
|
|
|
|
internal IDictionary<string, HibikiDatScheme> KnownSchemes {
|
|
get { return s_Scheme.Value.KnownSchemes; }
|
|
}
|
|
|
|
static HibikiScheme DeserializeScheme ()
|
|
{
|
|
try
|
|
{
|
|
var dir = FormatCatalog.Instance.DataDirectory;
|
|
var scheme_file = Path.Combine (dir, SchemeFileName);
|
|
using (var input = File.OpenRead (scheme_file))
|
|
{
|
|
var bin = new BinaryFormatter();
|
|
return (HibikiScheme)bin.Deserialize (input);
|
|
}
|
|
}
|
|
catch (Exception X)
|
|
{
|
|
Trace.WriteLine (X.Message, "hibiki_works scheme deserialization failed");
|
|
return new HibikiScheme();
|
|
}
|
|
}
|
|
}
|
|
|
|
internal class HibikiArchive : ArcFile
|
|
{
|
|
public readonly byte[] Key;
|
|
|
|
public HibikiArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, byte[] key)
|
|
: base (arc, impl, dir)
|
|
{
|
|
Key = key;
|
|
}
|
|
}
|
|
|
|
[Serializable]
|
|
public class HibikiScheme : ResourceScheme
|
|
{
|
|
public IDictionary<string, HibikiDatScheme> KnownSchemes;
|
|
}
|
|
|
|
[Serializable]
|
|
public class HibikiDatScheme
|
|
{
|
|
public byte[] ContentKey;
|
|
public IDictionary<string, IList<HibikiTocRecord>> ArcMap;
|
|
}
|
|
|
|
[Serializable]
|
|
public class HibikiTocRecord
|
|
{
|
|
public string Name;
|
|
public uint Offset;
|
|
public uint Size;
|
|
|
|
public HibikiTocRecord (string name, uint offset, uint size)
|
|
{
|
|
Name = name;
|
|
Offset = offset;
|
|
Size = size;
|
|
}
|
|
}
|
|
}
|