GARbro-mirror/ArcFormats/ArcMiris.cs

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//! \file ArcMiris.cs
//! \date Thu Sep 03 13:12:53 2015
//! \brief Studio Miris archives implementation.
//
// Copyright (C) 2015 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;
using GameRes.Compression;
using GameRes.Utility;
namespace GameRes.Formats.Miris
{
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/MIRIS"; } }
public override string Description { get { return "Studio Miris resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public DatOpener ()
{
Extensions = new string[] { "dat" };
}
static readonly Regex IndexEntryRe = new Regex (@"\G([^,]+),(\d+),(\d+)#");
public override ArcFile TryOpen (ArcView file)
{
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var base_dir = VFS.GetDirectoryName (file.Name);
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var base_name = Path.GetFileNameWithoutExtension (file.Name);
var list_file = VFS.CombinePath (base_dir, base_name+"l.dat");
if (!VFS.FileExists (list_file))
return null;
string index;
using (var ls = VFS.OpenStream (list_file))
using (var zls = new ZLibStream (ls, CompressionMode.Decompress))
using (var reader = new StreamReader (zls, Encodings.cp932))
{
index = reader.ReadToEnd();
}
if (string.IsNullOrEmpty (index))
return null;
var dir = new List<Entry>();
var match = IndexEntryRe.Match (index);
while (match.Success)
{
var entry = new Entry {
Name = match.Groups[1].Value,
Offset = UInt32.Parse (match.Groups[3].Value),
Size = UInt32.Parse (match.Groups[2].Value),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
match = match.NextMatch();
}
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir);
}
}
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[Export(typeof(ArchiveFormat))]
public class GlnkOpener : ArchiveFormat
{
public override string Tag { get { return "GLNK/MIRIS"; } }
public override string Description { get { return "Studio Miris resource archive"; } }
public override uint Signature { get { return 0x4B4E4C47; } } // 'GLNK'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public GlnkOpener ()
{
Extensions = new string[] { "dat" };
}
public override ArcFile TryOpen (ArcView file)
{
int version = file.View.ReadUInt16 (4);
int count = file.View.ReadInt32 (6);
if (!IsSaneCount (count))
return null;
long index_offset = file.View.ReadUInt32 (0xA);
int index_length = file.View.ReadInt32 (0xE);
if (index_length > file.View.Reserve (index_offset, (uint)index_length))
return null;
int entry_size = version >= 0x6E ? 12 : 8;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
if (index_length <= 0)
return null;
int name_length = file.View.ReadByte (index_offset++);
string name = file.View.ReadString (index_offset, (uint)name_length);
index_offset += name_length;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+4);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += entry_size;
index_length -= 1+name_length + entry_size;
}
return new ArcFile (file, this, dir);
}
}
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}