GARbro-mirror/Legacy/Jupiter/ArcLB5.cs

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2018-02-02 07:33:58 +08:00
//! \file ArcLB5.cs
//! \date 2018 Jan 25
//! \brief Jupiter resource archive.
//
// Copyright (C) 2018 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.Jupiter
{
[Export(typeof(ArchiveFormat))]
public class Lb5Opener : ArchiveFormat
{
public override string Tag { get { return "LB5"; } }
public override string Description { get { return "Jupiter resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
if (!file.Name.HasExtension (".lb5"))
return null;
var idx_name = Path.ChangeExtension (file.Name, "idx");
if (!VFS.FileExists (idx_name))
return null;
using (var index = VFS.OpenView (idx_name))
{
int count = index.View.ReadInt32 (0);
if (!IsSaneCount (count))
return null;
uint idx_offset = 4;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint offset = index.View.ReadUInt32 (idx_offset);
uint size = index.View.ReadUInt32 (idx_offset + 4);
var name = index.View.ReadString (idx_offset + 9, 0xB);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = offset;
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
idx_offset += 0x18;
}
return new ArcFile (file, this, dir);
}
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
if (arc.File.View.ReadUInt32 (entry.Offset) != 0x88888888 ||
arc.File.View.ReadUInt16 (entry.Offset+0x10) != 0x4D42) // 'BM'
return base.OpenImage (arc, entry);
var info = new Lb5MetaData {
Width = arc.File.View.ReadUInt32 (entry.Offset+4),
Height = arc.File.View.ReadUInt32 (entry.Offset+8),
UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset+0xC),
BPP = arc.File.View.ReadUInt16 (entry.Offset+0x1C),
};
var input = arc.File.CreateStream (entry.Offset+0x10, entry.Size-0x10);
return new Lb5ImageDecoder (input, info);
}
}
internal class Lb5MetaData : ImageMetaData
{
public uint UnpackedSize;
}
internal class Lb5ImageDecoder : BinaryImageDecoder
{
byte[] m_output;
public Lb5ImageDecoder (IBinaryStream input, Lb5MetaData info) : base (input, info)
{
m_output = new byte[info.UnpackedSize];
}
protected override ImageData GetImageData ()
{
m_input.Position = 0x36;
int block_count = ((int)Info.Width + 7) / 8 * ((int)Info.Height + 7) / 8;
var block_info = m_input.ReadBytes (block_count);
throw new NotImplementedException();
}
}
}