2018-05-10 02:10:33 +04:00

93 lines
3.7 KiB
C#

//! \file ArcDAT.cs
//! \date 2018 Mar 07
//! \brief Yaneurao 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 GameRes.Compression;
// [030704][Error] Kakoi ~Zetsubou no Shojo Kangokujima~
// [040227][Deko Pon!] Itsuka Furu Yuki
namespace GameRes.Formats.Yaneurao
{
[Export(typeof(ArchiveFormat))]
public class PackOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/yanepack"; } }
public override string Description { get { return "Yaneurao resource archive"; } }
public override uint Signature { get { return 0x0C09140A; } }
public override bool IsHierarchic { get { return true; } }
public override bool CanWrite { get { return false; } }
public PackOpener ()
{
Signatures = new uint[] { 0x0C09140A, 0x656E6179 };
}
public override ArcFile TryOpen (ArcView file)
{
if (file.View.AsciiEqual (0, "yane"))
{
if (!file.View.AsciiEqual (4, "pkDx"))
return null;
}
uint first_offset = file.View.ReadUInt32 (0x10C);
if (first_offset < 0x118 || first_offset >= file.MaxOffset)
return null;
int count = (int)((first_offset - 0xC) / 0x10C);
if (!IsSaneCount (count))
return null;
uint index_offset = 0xC;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x100);
index_offset += 0x100;
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+4);
entry.Size = file.View.ReadUInt32 (index_offset+8);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.IsPacked = entry.Size != entry.UnpackedSize;
dir.Add (entry);
index_offset += 0xC;
}
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 LzssStream (input);
}
}
}