Ail (?) resource archives implementation.

This commit is contained in:
morkt 2015-04-21 03:42:13 +04:00
parent b74f27cd6a
commit d8811e17e3

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ArcFormats/ArcAil.cs Normal file
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//! \file ArcAil.cs
//! \date Mon Apr 20 21:21:49 2015
//! \brief Ail resource archives.
//
// 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 GameRes.Utility;
namespace GameRes.Formats.Ail
{
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/Ail"; } }
public override string Description { get { return "Ail resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (0);
if (count <= 0 || count > 0xfffff)
return null;
long offset = 4+count*4;
if (offset >= file.MaxOffset)
return null;
uint index_offset = 4;
var dir = new List<Entry>();
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32 (index_offset);
if (0 != size)
{
var entry = AutoEntry.Create (file, offset+6, i.ToString ("D5"));
entry.Size = size - 6;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
offset += size;
}
index_offset += 4;
}
if (offset != file.MaxOffset)
return null;
return new ArcFile (file, this, dir);
}
}
}