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implemented DAF archives and CGF images.

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morkt 2017-02-23 18:39:13 +04:00
parent 10ff1cfcf9
commit 25f9285181
3 changed files with 285 additions and 0 deletions
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2
ArcFormats/ArcFormats.csproj
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@ -93,6 +93,8 @@
<Compile Include="BlackRainbow\ArcCCF.cs" />
<Compile Include="BlackRainbow\ArcIMP.cs" />
<Compile Include="BlackRainbow\ArcSPPAK.cs" />
<Compile Include="Cadath\ArcDAF.cs" />
<Compile Include="Cadath\ImageCGF.cs" />
<Compile Include="Foster\ArcC24.cs" />
<Compile Include="Foster\ArcFA2.cs" />
<Compile Include="Foster\ImageC24.cs" />

104
ArcFormats/Cadath/ArcDAF.cs Normal file
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@ -0,0 +1,104 @@
//! \file ArcDAF.cs
//! \date Thu Feb 23 01:26:17 2017
//! \brief Cadath resource archive format.
//
// 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 System.IO;
using GameRes.Compression;
using GameRes.Utility;
namespace GameRes.Formats.Cadath
{
[Export(typeof(ArchiveFormat))]
public class DafOpener : ArchiveFormat
{
public override string Tag { get { return "ARC/DAF"; } }
public override string Description { get { return "Cadath resource archive"; } }
public override uint Signature { get { return 0x1A464144; } } // 'DAF'
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
uint index_offset = 8;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32 (index_offset);
uint size = file.View.ReadUInt32 (index_offset+4);
var name = file.View.ReadString (index_offset+8, 0x18);
var entry = FormatCatalog.Instance.Create<Entry> (name);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.Offset = offset;
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x20;
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (!entry.Name.EndsWith (".snr", System.StringComparison.InvariantCultureIgnoreCase)
|| !arc.File.View.AsciiEqual (entry.Offset, "SNR\x1A"))
return base.OpenEntry (arc, entry);
try
{
var data = arc.File.View.ReadBytes (entry.Offset+12, entry.Size-12);
DecryptSnr (data);
CgfDecoder.Decrypt (data, data.Length);
// uint checksum = LittleEndian.ToUInt32 (data, 0);
// uint crc = Crc32Normal.Compute (data, 4, data.Length-4);
var input = new MemoryStream (data, 4, data.Length-4);
return new ZLibStream (input, CompressionMode.Decompress);
}
catch
{
return base.OpenEntry (arc, entry);
}
}
void DecryptSnr (byte[] data)
{
byte key = 0x84;
for (int i = 0; i < data.Length; ++i)
{
data[i] -= key;
for (int count = ((i & 0xF) + 2) / 3; count > 0; --count)
{
key += 0x99;
}
}
}
}
}

179
ArcFormats/Cadath/ImageCGF.cs Normal file
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@ -0,0 +1,179 @@
//! \file ImageCGF.cs
//! \date Thu Feb 23 15:12:04 2017
//! \brief Cadath image format.
//
// 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;
using System.ComponentModel.Composition;
using System.IO;
using System.Windows.Media;
using GameRes.Compression;
using GameRes.Utility;
namespace GameRes.Formats.Cadath
{
internal class CgfMetaData : ImageMetaData
{
public int Method;
}
[Export(typeof(ImageFormat))]
public class CgfFormat : ImageFormat
{
public override string Tag { get { return "CGF/CADATH"; } }
public override string Description { get { return "Cadath image format"; } }
public override uint Signature { get { return 0x1A464743; } } // 'CGF'
public override ImageMetaData ReadMetaData (IBinaryStream file)
{
var header = file.ReadHeader (10);
int method = header[4];
if (method != 1 && method != 2)
return null;
return new CgfMetaData
{
Width = header.ToUInt16 (6),
Height = header.ToUInt16 (8),
BPP = header[5],
Method = method,
};
}
public override ImageData Read (IBinaryStream file, ImageMetaData info)
{
var reader = new CgfDecoder (file, (CgfMetaData)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 ("CgfFormat.Write not implemented");
}
}
internal sealed class CgfDecoder
{
IBinaryStream m_input;
CgfMetaData m_info;
byte[] m_output;
public PixelFormat Format { get; private set; }
public CgfDecoder (IBinaryStream input, CgfMetaData info)
{
m_input = input;
m_info = info;
m_output = new byte[(int)m_info.Width * (int)m_info.Height * m_info.BPP / 8];
if (32 == m_info.BPP)
Format = PixelFormats.Bgra32;
else
Format = PixelFormats.Bgr24;
}
public byte[] Unpack ()
{
m_input.Position = 10;
int pixel_size = m_info.BPP / 8;
Action<byte[], int, byte[]> unpack_channel;
if (1 == m_info.Method)
unpack_channel = UnpackZLib;
else if (2 == m_info.Method)
unpack_channel = UnpackRle;
else
throw new NotSupportedException();
var channel = new byte[m_info.Width * m_info.Height];
byte[] buffer = null;
for (int i = 0; i < pixel_size; ++i)
{
int channel_length = m_input.ReadInt32();
if (channel_length < 0)
throw new InvalidFormatException();
if (null == buffer || channel_length > buffer.Length)
buffer = new byte[channel_length];
if (channel_length != m_input.Read (buffer, 0, channel_length))
throw new EndOfStreamException();
unpack_channel (buffer, channel_length, channel);
int dst = i;
for (int j = 0; j < channel.Length; ++j)
{
m_output[dst] = channel[j];
dst += pixel_size;
}
}
return m_output;
}
void UnpackZLib (byte[] input, int length, byte[] output)
{
Decrypt (input, length);
using (var zinput = new MemoryStream (input, 4, length - 4))
using (var z = new ZLibStream (zinput, CompressionMode.Decompress))
z.Read (output, 0, output.Length);
}
void UnpackRle (byte[] input, int length, byte[] output)
{
int unpacked_length = LittleEndian.ToInt32 (input, 0);
if (unpacked_length < 0 || unpacked_length > output.Length)
throw new InvalidFormatException();
int src = 4;
int dst = 0;
byte last_byte = 0;
while (dst < unpacked_length)
{
byte b = input[src++];
output[dst++] = b;
if (b == last_byte)
{
int count = input[src++];
for (int i = 0; i < count; ++i)
{
output[dst++] = b;
}
}
last_byte = b;
}
}
unsafe internal static void Decrypt (byte[] data, int length)
{
if (length < 4)
return;
if (length > data.Length)
throw new ArgumentOutOfRangeException ("length");
fixed (byte* data8 = data)
{
uint* data32 = (uint*)data8;
const uint seed = 0x3977141B;
uint key = seed;
for (int i = 0; i < length; i += 4)
{
key = Binary.RotL (key, 3);
*data32++ ^= key;
key += seed;
}
}
}
}
}