mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-27 23:54:02 +08:00
109 lines
4.2 KiB
C#
109 lines
4.2 KiB
C#
//! \file ArcCPN.cs
|
|
//! \date 2018 Feb 14
|
|
//! \brief Marron resource archive.
|
|
//
|
|
// Copyright (C) 2018 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.Text.RegularExpressions;
|
|
|
|
// [010727][Marron] Cosmos no Sora ni
|
|
|
|
namespace GameRes.Formats.Marron
|
|
{
|
|
internal class CpnArchive : ArcFile
|
|
{
|
|
public readonly byte Key;
|
|
|
|
public CpnArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, byte key)
|
|
: base (arc, impl, dir)
|
|
{
|
|
Key = key;
|
|
}
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class DatOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "DAT/CPN"; } }
|
|
public override string Description { get { return "Marron resource archive"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
public override bool IsHierarchic { get { return true; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
static readonly Regex CpnEntryRe = new Regex (@"#(?:\./)?(?<name>[^$]+)\$(?<offset>\d+)\*(?<size>\d+)\+");
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (!file.Name.HasExtension (".dat"))
|
|
return null;
|
|
var cpn_name = Path.ChangeExtension (file.Name, ".cpn");
|
|
if (!VFS.FileExists (cpn_name))
|
|
return null;
|
|
byte key;
|
|
string cpn_index;
|
|
using (var cpn = VFS.OpenView (cpn_name))
|
|
{
|
|
key = cpn.View.ReadByte (0);
|
|
var cpn_data = cpn.View.ReadBytes (1, (uint)(cpn.MaxOffset - 1));
|
|
for (int i = 0; i < cpn_data.Length; ++i)
|
|
cpn_data[i] ^= key;
|
|
cpn_index = Encodings.cp932.GetString (cpn_data);
|
|
}
|
|
int idx = cpn_index.IndexOf ('#', 1);
|
|
if (idx <= 1)
|
|
return null;
|
|
var data_name = cpn_index.Substring (1, idx-1);
|
|
if (!VFS.IsPathEqualsToFileName (file.Name, data_name))
|
|
return null;
|
|
var dir = new List<Entry>();
|
|
var match = CpnEntryRe.Match (cpn_index, idx);
|
|
while (match.Success)
|
|
{
|
|
var name = match.Groups["name"].Value;
|
|
var entry = FormatCatalog.Instance.Create<Entry> (name);
|
|
entry.Offset = UInt32.Parse (match.Groups["offset"].Value);
|
|
entry.Size = UInt32.Parse (match.Groups["size"].Value);
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
match = match.NextMatch();
|
|
}
|
|
if (0 == dir.Count)
|
|
return null;
|
|
return new CpnArchive (file, this, dir, key);
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var input = arc.File.CreateStream (entry.Offset, entry.Size);
|
|
var carc = arc as CpnArchive;
|
|
if (null == carc)
|
|
return input;
|
|
return new XoredStream (input, carc.Key);
|
|
}
|
|
}
|
|
}
|