GARbro-mirror/ArcFormats/Patisserie/ArcBIN.cs

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//! \file ArcBIN.cs
//! \date Thu Jul 21 21:10:31 2016
//! \brief Patisserie 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.Linq;
using GameRes.Compression;
namespace GameRes.Formats.Patisserie
{
[Export(typeof(ArchiveFormat))]
public class BinOpener : ArchiveFormat
{
public override string Tag { get { return "BIN/OZ"; } }
public override string Description { get { return "Patisserie resource archive"; } }
public override uint Signature { get { return 0x01005A4F; } } // 'OZ'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
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public BinOpener ()
{
Extensions = new string[] { "bin" };
}
public override ArcFile TryOpen (ArcView file)
{
if (!file.View.AsciiEqual (4, "OFST"))
return null;
int index_size = file.View.ReadInt32 (8);
int count = index_size / 4;
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
string content_ext = "", content_type = "";
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if (base_name.EndsWith ("flac", StringComparison.OrdinalIgnoreCase))
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{
content_ext = "flac";
content_type = "audio";
base_name = base_name.Substring (0, base_name.Length-4);
}
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else if (base_name.EndsWith ("ogg", StringComparison.OrdinalIgnoreCase))
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{
content_ext = "ogg";
content_type = "audio";
base_name = base_name.Substring (0, base_name.Length-3);
}
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var filenames = GetFileNames (file.Name);
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if (null == filenames)
filenames = new List<string> (count);
for (int i = filenames.Count; i < count; ++i)
filenames.Add (string.Format ("{0}#{1:D5}", base_name, i));
uint index_offset = 0xC;
var dir = new List<Entry> (count);
uint next_offset = file.View.ReadUInt32 (index_offset);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var entry = new PackedEntry { Name = filenames[i] };
entry.Offset = next_offset;
next_offset = i+1 < count ? file.View.ReadUInt32 (index_offset) : (uint)file.MaxOffset;
entry.Size = next_offset - (uint)entry.Offset;
if (entry.Size > 0 && !entry.CheckPlacement (file.MaxOffset))
return null;
if (!string.IsNullOrEmpty (content_type))
{
entry.Type = content_type;
entry.Name = Path.ChangeExtension (entry.Name, content_ext);
}
dir.Add (entry);
}
foreach (PackedEntry entry in dir.Where (e => e.Size > 4))
{
entry.IsPacked = file.View.AsciiEqual (entry.Offset, "DFLT");
if (entry.IsPacked)
{
entry.Size = file.View.ReadUInt32 (entry.Offset+4);
entry.UnpackedSize = file.View.ReadUInt32 (entry.Offset+8);
entry.Offset += 12;
}
else if (file.View.AsciiEqual (entry.Offset, "DATA"))
{
entry.Size = file.View.ReadUInt32 (entry.Offset+4);
entry.UnpackedSize = entry.Size;
entry.Offset += 8;
if (string.IsNullOrEmpty (entry.Type))
{
uint signature = file.View.ReadUInt32 (entry.Offset);
if (0x43614C66 == signature) // 'fLaC'
{
entry.Type = "audio";
entry.Name = Path.ChangeExtension (entry.Name, "flac");
}
else
{
var res = AutoEntry.DetectFileType (signature);
if (null != res)
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entry.ChangeType (res);
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}
}
}
}
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);
}
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IList<string> ReadListFile (string lst_name)
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{
return File.ReadAllLines (lst_name, Encodings.cp932);
}
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IList<string> GetFileNames (string arc_name)
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{
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var dir_name = VFS.GetDirectoryName (arc_name);
var lst_name = Path.ChangeExtension (arc_name, ".lst");
if (VFS.FileExists (lst_name))
return ReadListFile (lst_name);
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var lists_lst_name = VFS.CombinePath (dir_name, "lists.lst");
if (!VFS.FileExists (lists_lst_name))
return null;
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var base_name = Path.GetFileNameWithoutExtension (arc_name);
var arcs = ReadListFile (lists_lst_name);
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var arc_no = arcs.IndexOf (base_name);
if (-1 == arc_no)
return null;
var lists_bin_name = VFS.CombinePath (dir_name, "lists.bin");
using (var lists_bin = VFS.OpenView (lists_bin_name))
return ReadFileNames (lists_bin, arc_no);
}
IList<string> ReadFileNames (ArcView index, int arc_no)
{
if (index.View.ReadUInt32 (0) != Signature)
return null;
if (!index.View.AsciiEqual (4, "OFST"))
return null;
int index_size = index.View.ReadInt32 (8);
int arc_count = index_size / 4;
if (arc_no >= arc_count)
return null;
uint index_offset = index.View.ReadUInt32 (0xC + arc_no * 4);
if (index_offset >= index.MaxOffset)
return null;
Stream input;
if (index.View.AsciiEqual (index_offset, "DFLT"))
{
uint packed_size = index.View.ReadUInt32 (index_offset+4);
input = index.CreateStream (index_offset+12, packed_size);
input = new ZLibStream (input, CompressionMode.Decompress);
}
else if (index.View.AsciiEqual (index_offset, "DATA"))
{
uint data_size = index.View.ReadUInt32 (index_offset+4);
input = index.CreateStream (index_offset+8, data_size);
}
else
return null;
using (input)
using (var reader = new StreamReader (input, Encodings.cp932))
{
var list = new List<string>();
string line;
while ((line = reader.ReadLine()) != null)
list.Add (line.Trim());
return list;
}
}
}
}