GARbro-mirror/ArcFormats/BellDa/ArcDAT.cs

88 lines
3.8 KiB
C#
Raw Normal View History

2017-11-25 05:55:23 +08:00
//! \file ArcDAT.cs
//! \date 2017 Nov 24
//! \brief BELL-DA resource archive.
//
// 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;
using GameRes.Compression;
namespace GameRes.Formats.BellDa
{
[Export(typeof(ArchiveFormat))]
public class BldOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/BLD"; } }
public override string Description { get { return "BELL-DA resource archive"; } }
public override uint Signature { get { return 0x30444C42; } } // 'BLD0'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
var version_str = file.View.ReadString (4, 4).TrimEnd ('\x1A');
if (version_str != "0" && version_str != "1" && version_str != "12" && version_str != "3")
return null;
int count = file.View.ReadInt16 (8);
if (!IsSaneCount (count))
return null;
uint index_offset = file.View.ReadUInt32 (0xA);
if (index_offset >= file.MaxOffset)
return null;
uint data_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0xC);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = data_offset;
entry.Size = file.View.ReadUInt32 (index_offset+0xC);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
index_offset += 0x10;
data_offset += entry.Size;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var id_str = arc.File.View.ReadString (entry.Offset, 2);
if (id_str != "B1" && id_str != "D1" && id_str != "E1")
return base.OpenImage (arc, entry);
uint packed_size = arc.File.View.ReadUInt32 (entry.Offset+2);
if (packed_size != entry.Size - 10)
return base.OpenImage (arc, entry);
uint unpacked_size = arc.File.View.ReadUInt32 (entry.Offset+6);
using (var input = arc.File.CreateStream (entry.Offset+10, packed_size))
using (var lzss = new LzssReader (input, (int)packed_size, (int)unpacked_size))
{
lzss.Unpack();
var bmp = new BinMemoryStream (lzss.Data, entry.Name);
return new ImageFormatDecoder (bmp);
}
}
}
}