GARbro-mirror/ArcFormats/Tanaka/ArcMBF.cs

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//! \file ArcMBF.cs
//! \date Sat Jan 28 18:07:18 2017
//! \brief Graphic 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 MbfOpener : ArchiveFormat
{
public override string Tag { get { return "MBF"; } }
public override string Description { get { return "Tanaka Tatsuhiro's engine image archive"; } }
public override uint Signature { get { return 0x3046424D; } } // 'MBF0'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
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public MbfOpener ()
{
Signatures = new uint[] { 0x3046424D, 0x3146424D };
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ContainedFormats = new[] { "BC" };
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}
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
uint data_offset = file.View.ReadUInt32 (8);
uint index_offset = 0x20;
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if (0 != (file.View.ReadByte (0xC) & 1) && count > 1)
{
index_offset += file.View.ReadUInt16 (index_offset);
--count;
}
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint name_length = file.View.ReadUInt16 (index_offset);
if (name_length < 3)
return null;
var name = file.View.ReadString (index_offset+2, name_length-2);
if (0 == name.Length)
return null;
var entry = FormatCatalog.Instance.Create<Entry> (name);
dir.Add (entry);
index_offset += name_length;
}
foreach (var entry in dir)
{
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if (file.View.AsciiEqual (data_offset, "BC"))
{
entry.Size = file.View.ReadUInt32 (data_offset+2);
entry.Type = "image";
}
else if (file.View.AsciiEqual (data_offset, "$SEQ"))
entry.Size = file.View.ReadUInt32 (data_offset+4);
else
return null;
entry.Offset = data_offset;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
data_offset += entry.Size;
}
return new ArcFile (file, this, dir);
}
}
}