GARbro-mirror/ArcFormats/Tanaka/ArcBMX.cs

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//! \file ArcBMX.cs
//! \date Sat Jan 28 17:16:32 2017
//! \brief Archive format by Tanaka Tatsuhiro.
//
// Copyright (C) 2017 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.Collections.Generic;
using System.ComponentModel.Composition;
namespace GameRes.Formats.Will
{
[Export(typeof(ArchiveFormat))]
public class BmxOpener : ArchiveFormat
{
public override string Tag { get { return "BMX"; } }
public override string Description { get { return "Tanaka Tatsuhiro's engine resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
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public BmxOpener ()
{
ContainedFormats = new[] { "BC" };
}
public override ArcFile TryOpen (ArcView file)
{
uint total_size = file.View.ReadUInt32 (0);
if (total_size != file.MaxOffset)
return null;
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
var dir = new List<Entry> (count);
uint index_offset = 0x10;
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x1C);
if (0 == name.Length)
break;
var entry = FormatCatalog.Instance.Create<Entry> (name);
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entry.Offset = file.View.ReadUInt32 (index_offset+0x1C);
if (string.IsNullOrEmpty (entry.Type))
entry.Type = "image";
dir.Add (entry);
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index_offset += 0x20;
}
if (0 == dir.Count)
return null;
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long last_offset = file.MaxOffset;
for (int i = dir.Count - 1; i >= 0; --i)
{
var entry = dir[i];
entry.Size = (uint)(last_offset - entry.Offset);
last_offset = entry.Offset;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
}
return new ArcFile (file, this, dir);
}
}
}