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implemented Gx4Lib archives.

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morkt 2018-08-31 19:13:22 +04:00
parent b04134c71b
commit 706add22ff
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ArcFormats/Unity/Gx4Lib/ArcDAT.cs Normal file
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//! \file ArcDAT.cs
//! \date 2018 Aug 30
//! \brief Unity GX4Lib 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.ComponentModel.Composition;
using System.IO;
using System.Linq;
using System.Windows.Media;
using GameRes.Gx4Lib;
using GameRes.Utility;
namespace GameRes.Formats.Unity.Gx4Lib
{
[Export(typeof(ArchiveFormat))]
public class DatOpener : ArchiveFormat
{
public override string Tag { get { return "DAT/GX4LIB"; } }
public override string Description { get { return "Unity GX4Lib 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)
{
uint index_size = file.View.ReadUInt32 (0);
if (index_size <= 12 || index_size >= file.MaxOffset)
return null;
if (file.View.ReadInt32 (5) != 1 || file.View.ReadInt32 (9) != -1)
return null;
using (var hstream = file.CreateStream (4, index_size))
{
var pf = new PackageFile();
var index = pf.Deserialize (hstream);
if (null == index)
return null;
string type = "";
if (index is PFAudioHeaders)
type = "audio";
else if (index is PFImageHeaders)
type = "image";
uint data_offset = index_size + 4;
var dir = index.headers.Select (h => new PackedEntry {
Name = h.FileName,
Type = type,
Offset = h.readStartBytePos + data_offset,
Size = (uint)h.ByteLength
} as Entry).ToList();
return new ArcFile (file, this, dir);
}
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (arc.File.View.AsciiEqual (entry.Offset, "UnityRaw"))
return OpenUnityRaw (arc, entry);
var pent = (PackedEntry)entry;
if (!pent.IsPacked)
{
byte id = arc.File.View.ReadByte (entry.Offset);
uint packed_size = arc.File.View.ReadUInt32 (entry.Offset+1);
if ((id & ~1) != 0x5E || packed_size != entry.Size)
return base.OpenEntry (arc, entry);
pent.IsPacked = 0 != (id & 1);
pent.UnpackedSize = arc.File.View.ReadUInt32 (entry.Offset+5);
}
if (!pent.IsPacked)
return arc.File.CreateStream (pent.Offset+9, pent.UnpackedSize);
var data = new byte[pent.UnpackedSize];
using (var input = arc.File.CreateStream (pent.Offset+9, pent.Size))
QlzUnpack (input, data);
return new BinMemoryStream (data, entry.Name);
}
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{
var input = arc.OpenBinaryEntry (entry);
int length = (int)(input.Length - 0x10);
if ((length & 3) != 0)
return ImageFormatDecoder.Create (input);
uint width = input.ReadUInt32();
uint height = input.ReadUInt32();
int buf_width = input.ReadInt32();
int buf_height = input.ReadInt32();
var info = new ImageMetaData { Width = width, Height = height, BPP = 32 };
return new Gx4ImageDecoder (input, info);
}
Stream OpenUnityRaw (ArcFile arc, Entry entry)
{
using (var stream = arc.File.CreateStream (entry.Offset, entry.Size))
using (var input = new AssetReader (stream))
{
var signature = input.ReadCString();
if (signature != "UnityRaw")
return base.OpenEntry (arc, entry);
int format = input.ReadInt32();
input.ReadCString();
input.ReadCString();
uint file_size = input.ReadUInt32();
if (file_size != entry.Size)
return base.OpenEntry (arc, entry);
uint header_size = input.ReadUInt32();
int entry_count = input.ReadInt32();
int bundle_count = input.ReadInt32();
if (entry_count != 1 || bundle_count != 1)
return base.OpenEntry (arc, entry);
input.Position = header_size;
int count = input.ReadInt32();
long asset_pos = input.Position;
input.ReadCString(); // asset_name
header_size = input.ReadUInt32();
uint asset_size = input.ReadUInt32();
long base_pos = asset_pos + header_size - 4;
input.Position = base_pos;
var index = new ResourcesAssetsDeserializer (arc.File);
var dir = index.Parse (input, base_pos);
if (null == dir || 0 == dir.Count)
return base.OpenEntry (arc, entry);;
return arc.File.CreateStream (entry.Offset + dir[0].Offset, dir[0].Size);
}
}
void QlzUnpack (IBinaryStream input, byte[] output)
{
int dst = 0;
uint bits = 1;
int output_last = output.Length - 11;
while (dst < output.Length)
{
if (1 == bits)
{
bits = input.ReadUInt32();
}
if ((bits & 1) == 1)
{
int ctl = input.PeekByte();
int offset, count = 3;
if ((ctl & 3) == 0)
{
offset = input.ReadUInt8() >> 2;
}
else if ((ctl & 2) == 0)
{
offset = input.ReadUInt16() >> 2;
}
else if ((ctl & 1) == 0)
{
offset = input.ReadUInt16() >> 6;
count += ((ctl >> 2) & 0xF);
}
else if ((ctl & 0x7F) != 3)
{
offset = (input.ReadInt24() >> 7) & 0x1FFFF;
count += ((ctl >> 2) & 0x1F) - 1;
}
else
{
uint v = input.ReadUInt32();
offset = (int)(v >> 15);
count += (int)((v >> 7) & 0xFF);
}
Binary.CopyOverlapped (output, dst-offset, dst, count);
dst += count;
}
else
{
if (dst > output_last)
break;
output[dst++] = input.ReadUInt8();
}
bits >>= 1;
}
while (dst < output.Length)
{
if (1 == bits)
{
input.Seek (4, SeekOrigin.Current);
bits = 0x80000000u;
}
output[dst++] = input.ReadUInt8();
bits >>= 1;
}
}
}
internal class Gx4ImageDecoder : BinaryImageDecoder
{
public Gx4ImageDecoder (IBinaryStream input, ImageMetaData info) : base (input, info)
{
}
protected override ImageData GetImageData ()
{
m_input.Position = 0x10;
int stride = (int)Info.Width * 4;
var pixels = m_input.ReadBytes (stride * (int)Info.Height);
for (int i = 0; i < pixels.Length; i += 4)
{
byte t = pixels[i];
pixels[i] = pixels[i+2];
pixels[i+2] = t;
}
return ImageData.CreateFlipped (Info, PixelFormats.Bgra32, null, pixels, stride);
}
}
}