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GsPack resources implementation.

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morkt 2015-04-16 22:41:34 +04:00
parent 127a2bcf4d
commit 41d2accec5
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172
ArcFormats/ArcGsPack.cs Normal file
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//! \file ArcGsPack.cs
//! \date Thu Apr 16 14:55:01 2015
//! \brief GsPack resource archives implementation.
//
// Copyright (C) 2015 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;
using System.Linq;
using GameRes.Utility;
namespace GameRes.Formats.Gs
{
[Export(typeof(ArchiveFormat))]
public class PakOpener : ArchiveFormat
{
public override string Tag { get { return "GsPack"; } }
public override string Description { get { return "GsPack resource archive"; } }
public override uint Signature { get { return 0x61746144; } } // 'Data'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public PakOpener ()
{
Extensions = new string[] { "pak", "dat", "pa_" };
Signatures = new uint[] { 0x61746144, 0x61507347 };
}
public override ArcFile TryOpen (ArcView file)
{
if (!(file.View.AsciiEqual (0, "DataPack5") ||
file.View.AsciiEqual (0, "GsPack5") ||
file.View.AsciiEqual (0, "GsPack4")))
return null;
int version_minor = file.View.ReadUInt16 (0x30);
int version_major = file.View.ReadUInt16 (0x32);
uint index_size = file.View.ReadUInt32 (0x34);
int count = file.View.ReadInt32 (0x3c);
if (count <= 0 || count > 0xfffff || index_size > 0xffffff)
return null;
uint crypt_key = file.View.ReadUInt32 (0x38);
long data_offset = file.View.ReadUInt32 (0x40);
uint index_offset = file.View.ReadUInt32 (0x44);
int entry_size = version_major < 5 ? 0x48 : 0x68;
int unpacked_size = count * entry_size;
byte[] packed_index = new byte[index_size];
if (index_size != file.View.Read (index_offset, packed_index, 0, index_size))
return null;
if (0 != crypt_key)
for (int i = 0; i != packed_index.Length; ++i)
packed_index[i] ^= (byte)(i & crypt_key);
using (var stream = new MemoryStream (packed_index))
using (var reader = new LzssReader (stream, packed_index.Length, unpacked_size))
{
reader.Unpack();
var index = reader.Data;
index_offset = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = Binary.GetCString (index, (int)index_offset, 0x40);
if (0 != name.Length)
{
long offset = data_offset + LittleEndian.ToUInt32 (index, (int)index_offset+0x40);
var entry = AutoEntry.Create (file, offset, name);
entry.Size = LittleEndian.ToUInt32 (index, (int)index_offset+0x44);
dir.Add (entry);
}
index_offset += (uint)entry_size;
}
return new ArcFile (file, this, dir);
}
}
}
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "GsData"; } }
public override string Description { get { return "GsPack resource archive"; } }
public override uint Signature { get { return 0x59537347; } } // 'GsSY'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public DatOpener ()
{
Extensions = new string[] { "dat" };
}
public override ArcFile TryOpen (ArcView file)
{
if (!file.View.AsciiEqual (0, "GsSYMBOL5BINDATA"))
return null;
uint header_size = file.View.ReadUInt32 (0xa4);
if (header_size < 0xd0)
return null;
int count = file.View.ReadInt32 (0xa8);
uint index_offset = file.View.ReadUInt32 (0xb8);
uint index_size = file.View.ReadUInt32 (0xbc);
uint crypt_key = file.View.ReadUInt32 (0xc0);
uint unpacked_index_size = file.View.ReadUInt32 (0xc4);
if (count * 0x18 != unpacked_index_size)
return null;
uint data_offset = file.View.ReadUInt32 (0xc8);
byte[] packed_index = new byte[index_size];
if (index_size != file.View.Read (index_offset, packed_index, 0, index_size))
return null;
if (0 != crypt_key)
for (int i = 0; i != packed_index.Length; ++i)
packed_index[i] ^= (byte)(i & crypt_key);
using (var stream = new MemoryStream (packed_index))
using (var reader = new LzssReader (stream, packed_index.Length, (int)unpacked_index_size))
{
reader.Unpack();
var index = reader.Data;
index_offset = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry
{
Name = i.ToString ("D5"),
Offset = data_offset + LittleEndian.ToUInt32 (index, (int)index_offset),
Size = LittleEndian.ToUInt32 (index, (int)index_offset + 4),
UnpackedSize = LittleEndian.ToUInt32 (index, (int)index_offset + 8),
};
dir.Add (entry);
index_offset += 0x18;
}
return new ArcFile (file, this, dir);
}
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (0 == entry.Size)
return Stream.Null;
var packed_entry = entry as PackedEntry;
if (null == packed_entry)
return arc.File.CreateStream (entry.Offset, entry.Size);
byte[] packed = new byte[packed_entry.Size];
arc.File.View.Read (entry.Offset, packed, 0, entry.Size);
using (var stream = new MemoryStream (packed))
using (var reader = new LzssReader (stream, packed.Length, (int)packed_entry.UnpackedSize))
{
reader.Unpack();
return new MemoryStream (reader.Data, false);
}
}
}
}

127
ArcFormats/ImageGS.cs Normal file
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//! \file ImageGS.cs
//! \date Thu Apr 16 16:03:19 2015
//! \brief GsPack image format implementation.
//
// Copyright (C) 2015 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;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using GameRes.Utility;
namespace GameRes.Formats.Gs
{
internal class PicMetaData : ImageMetaData
{
public uint PackedSize;
public uint UnpackedSize;
public uint HeaderSize;
}
[Export(typeof(ImageFormat))]
public class PicFormat : ImageFormat
{
public override string Tag { get { return "GsPIC"; } }
public override string Description { get { return "GsPack image format"; } }
public override uint Signature { get { return 0x00040000; } }
public PicFormat ()
{
Extensions = new string[] { "pic" }; // made-up
}
public override ImageMetaData ReadMetaData (Stream stream)
{
using (var input = new ArcView.Reader (stream))
{
var info = new PicMetaData();
input.ReadUInt32();
info.PackedSize = input.ReadUInt32();
info.UnpackedSize = input.ReadUInt32();
info.HeaderSize = input.ReadUInt32();
input.ReadUInt32();
info.Width = input.ReadUInt32();
info.Height = input.ReadUInt32();
info.BPP = input.ReadInt32();
return info;
}
}
public override ImageData Read (Stream stream, ImageMetaData info)
{
var meta = info as PicMetaData;
if (null == meta)
throw new ArgumentException ("PicFormat.Read should be supplied with PicMetaData", "info");
stream.Position = meta.HeaderSize;
using (var reader = new LzssReader (stream, (int)meta.PackedSize, (int)meta.UnpackedSize))
{
reader.Unpack();
byte[] pixels = reader.Data;
int stride = (int)meta.Width*((info.BPP+7)/8);
BitmapPalette palette = null;
PixelFormat format;
if (8 == meta.BPP) // read palette
{
format = PixelFormats.Indexed8;
var color_data = new Color[256];
for (int i = 0; i < 256; ++i)
color_data[i] = Color.FromRgb (pixels[i*4+2], pixels[i*4+1], pixels[i*4]);
palette = new BitmapPalette (color_data);
var image = new byte[meta.Width*meta.Height];
Buffer.BlockCopy (pixels, 0x400, image, 0, image.Length);
pixels = image;
}
else if (24 == meta.BPP)
format = PixelFormats.Bgr24;
else if (16 == meta.BPP)
format = PixelFormats.Bgr565;
else
{
bool has_opaque = false;
for (int i = 3; i < pixels.Length; i += 4)
{
if (0 != pixels[i])
{
has_opaque = true;
break;
}
}
format = has_opaque ? PixelFormats.Bgra32 : PixelFormats.Bgr32;
}
var bitmap = BitmapSource.Create ((int)meta.Width, (int)meta.Height, 96, 96,
format, palette, pixels, stride);
bitmap.Freeze();
return new ImageData (bitmap, meta);
}
}
public override void Write (Stream file, ImageData image)
{
throw new NotImplementedException ("PicFormat.Write not implemented");
}
}
}