GARbro-mirror/ArcFormats/Irrlicht/ArcPACK.cs

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2016-08-28 11:49:48 +08:00
//! \file ArcPACK.cs
//! \date Sun Aug 28 06:42:38 2016
//! \brief Irrlicht engine audio 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;
namespace GameRes.Formats.Irrlicht
{
[Export(typeof(ArchiveFormat))]
public class PackOpener : ArchiveFormat
{
public override string Tag { get { return "PACK/Irrlicht"; } }
public override string Description { get { return "Irrlicht engine audio archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public PackOpener ()
{
Extensions = new string[] { "pack" };
}
public override ArcFile TryOpen (ArcView file)
{
if (!file.Name.EndsWith (".pack", StringComparison.InvariantCultureIgnoreCase))
return null;
long offset = 0;
var dir = new List<Entry>();
while (offset < file.MaxOffset)
{
if (offset + 0x10A >= file.MaxOffset)
return null;
var name = file.View.ReadString (offset, 0x104);
if (string.IsNullOrWhiteSpace (name))
return null;
offset += 0x105;
uint size = file.View.ReadUInt32 (offset);
offset += 5;
if (offset + size > file.MaxOffset)
return null;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = offset;
entry.Size = size;
dir.Add (entry);
offset += size;
}
return new ArcFile (file, this, dir);
}
}
}