mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-23 21:55:34 +08:00
102 lines
4.3 KiB
C#
102 lines
4.3 KiB
C#
//! \file ArcPAK.cs
|
|
//! \date Sat Jun 25 21:39:46 2016
|
|
//! \brief Black Rainbow resource archive.
|
|
//
|
|
// Copyright (C) 2016 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;
|
|
using GameRes.Compression;
|
|
|
|
namespace GameRes.Formats.BlackRainbow
|
|
{
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class PakOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "PAK/MELTY"; } }
|
|
public override string Description { get { return "BlackRainbow/Melty resource archive"; } }
|
|
public override uint Signature { get { return 0; } }
|
|
public override bool IsHierarchic { get { return true; } }
|
|
public override bool CanWrite { get { return false; } }
|
|
|
|
public PakOpener ()
|
|
{
|
|
Extensions = new string[] { "pak" };
|
|
}
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (file.MaxOffset <= 8)
|
|
return null;
|
|
int count = file.View.ReadInt32 (file.MaxOffset-8);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
uint index_size = file.View.ReadUInt32 (file.MaxOffset-4);
|
|
if (index_size >= file.MaxOffset-8)
|
|
return null;
|
|
|
|
long index_offset = file.MaxOffset - 8 - index_size;
|
|
using (var input = file.CreateStream (index_offset, index_size))
|
|
using (var index = new BinaryReader (input, Encoding.Unicode))
|
|
{
|
|
char[] name_buffer = new char[0x40];
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
uint offset = index.ReadUInt32();
|
|
uint packed_size = index.ReadUInt32();
|
|
uint unpacked_size = index.ReadUInt32();
|
|
int name_length = index.ReadInt32();
|
|
if (name_length <= 0 || name_length > 0x100 )
|
|
return null;
|
|
if (name_length > name_buffer.Length)
|
|
name_buffer = new char[name_length];
|
|
if (name_length != index.Read (name_buffer, 0, name_length))
|
|
return null;
|
|
var name = new string (name_buffer, 0, name_length);
|
|
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
|
|
entry.Offset = offset;
|
|
entry.Size = packed_size;
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
entry.IsPacked = uint.MaxValue != unpacked_size;
|
|
entry.UnpackedSize = entry.IsPacked ? unpacked_size : packed_size;
|
|
dir.Add (entry);
|
|
}
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var input = arc.File.CreateStream (entry.Offset, entry.Size);
|
|
var pent = entry as PackedEntry;
|
|
if (null == pent || !pent.IsPacked)
|
|
return input;
|
|
return new ZLibStream (input, CompressionMode.Decompress);
|
|
}
|
|
}
|
|
}
|