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(Legacy): implemented X archives and FB images.

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morkt 2018-02-02 03:35:03 +04:00
parent b09a0bff43
commit 431069d27e
2 changed files with 225 additions and 0 deletions
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81
Legacy/Akatombo/ArcX.cs Normal file
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//! \file ArcX.cs
//! \date 2018 Jan 25
//! \brief Akatombo 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.Akatombo
{
#if DEBUG
[Export(typeof(ArchiveFormat))]
#endif
public class PakOpener : ArchiveFormat
{
public override string Tag { get { return "X/AKATOMBO"; } }
public override string Description { get { return "Akatombo 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)
{
int count = file.View.ReadInt16 (0);
if (!IsSaneCount (count))
return null;
uint index_offset = 2;
uint next_offset = file.View.ReadUInt32 (index_offset);
if (next_offset != count * 4 + 6)
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var entry = new Entry {
Name = string.Format ("{0}#{1:D4}", base_name, i),
Offset = next_offset,
};
next_offset = file.View.ReadUInt32 (index_offset);
if (next_offset < entry.Offset)
return null;
entry.Size = (uint)(next_offset - entry.Offset);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
foreach (var entry in dir)
{
uint signature = file.View.ReadUInt32 (entry.Offset);
if ((signature & 0xFFFF) == 0x4246) // 'FB'
entry.Type = "image";
else
entry.ChangeType (AutoEntry.DetectFileType (signature));
}
return new ArcFile (file, this, dir);
}
}
}

144
Legacy/Akatombo/ImageFB.cs Normal file
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//! \file ImageFB.cs
//! \date 2018 Jan 25
//! \brief Akatombo compressed image format.
//
// 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.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
using GameRes.Utility;
namespace GameRes.Formats.Akatombo
{
[Export(typeof(ImageFormat))]
public class FbFormat : ImageFormat
{
public override string Tag { get { return "FB"; } }
public override string Description { get { return "Akatombo image format"; } }
public override uint Signature { get { return 0x184246; } }
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (8);
if (!header.AsciiEqual ("FB"))
return null;
return new ImageMetaData {
Width = header.ToUInt32 (4),
Height = header.ToUInt32 (6),
BPP = header.ToUInt16 (2),
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var reader = new FbReader (file, info);
var pixels = reader.Unpack();
return ImageData.Create (info, reader.Format, null, pixels);
}
public override void Write (Stream file, ImageData image)
{
throw new System.NotImplementedException ("FbFormat.Write not implemented");
}
}
internal class FbReader
{
IBinaryStream m_input;
int m_width;
int m_pixel_count;
byte[] m_output;
public PixelFormat Format { get; private set; }
public FbReader (IBinaryStream input, ImageMetaData info)
{
m_input = input;
m_width = (int)info.Width;
m_pixel_count = m_width * (int)info.Height;
m_output = new byte[m_pixel_count * 4];
Format = PixelFormats.Bgr32;
}
uint m_bits;
public byte[] Unpack ()
{
m_input.Position = 8;
m_bits = 0x80000000;
int dst = 0;
for (int i = 0; i < m_pixel_count; ++i)
{
int bit = GetNextBit();
if (0 == bit)
{
bit = GetNextBit();
int pos = GetNextBit();
if (bit != 0)
pos = dst + 4 * (pos - m_width);
else
pos = dst + 4 * (-m_width & -pos) - 4;
Buffer.BlockCopy (m_output, pos, m_output, dst, 4);
}
m_output[dst ] += ReadDiff();
m_output[dst+1] += ReadDiff();
m_output[dst+2] += ReadDiff();
dst += 4;
}
return m_output;
}
byte ReadDiff ()
{
uint n = 1;
do
{
n = Binary.RotR (n, 1);
}
while (GetNextBit() != 0);
++n;
byte bit;
do
{
bit = (byte)GetNextBit();
n = (n << 1) | bit;
}
while (0 == bit);
return (byte)(-(n & 1) ^ ((n >> 1) - 1));
}
int GetNextBit ()
{
uint bit = m_bits >> 31;
m_bits <<= 1;
if (0 == m_bits)
{
m_bits = Binary.BigEndian (m_input.ReadUInt32());
bit = m_bits >> 31;
m_bits = (m_bits << 1) | 1;
}
return (int)bit;
}
}
}