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(KAAS): implemented compression methods 1, 2, 8 and 9.

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morkt 2017-03-11 11:40:30 +04:00
parent 0206bc574e
commit b0329096ff
2 changed files with 322 additions and 72 deletions
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202
ArcFormats/Kaas/ArcKAAS.cs
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@ -2,7 +2,7 @@
//! \date Fri Apr 10 15:21:30 2015 //! \date Fri Apr 10 15:21:30 2015
//! \brief KAAS engine archive format implementation. //! \brief KAAS engine archive format implementation.
// //
// Copyright (C) 2015 by morkt // Copyright (C) 2015-2017 by morkt
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
@ -27,10 +27,21 @@ using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.ComponentModel.Composition; using System.ComponentModel.Composition;
using System.IO; using System.IO;
using System.Windows.Media;
using GameRes.Utility; using GameRes.Utility;
namespace GameRes.Formats.KAAS namespace GameRes.Formats.KAAS
{ {
internal interface IIndexDecryptor
{
void Decrypt (byte[] data, byte key);
}
internal class PdImageEntry : Entry
{
public int Number;
}
[Export(typeof(ArchiveFormat))] [Export(typeof(ArchiveFormat))]
public class PdOpener : ArchiveFormat public class PdOpener : ArchiveFormat
{ {
@ -50,48 +61,155 @@ namespace GameRes.Formats.KAAS
int index_offset = file.View.ReadByte (0); int index_offset = file.View.ReadByte (0);
if (index_offset <= 2 || index_offset >= file.MaxOffset) if (index_offset <= 2 || index_offset >= file.MaxOffset)
return null; return null;
int key = file.View.ReadByte (1); byte key = file.View.ReadByte (1);
int count = 0xfff & file.View.ReadUInt16 (index_offset); int count = 0xfff & file.View.ReadUInt16 (index_offset);
if (0 == count) if (0 == count)
return null; return null;
index_offset += 16; index_offset += 16;
var index = new byte[count*8];
byte[] index = new byte[count*8]; var base_name = Path.GetFileNameWithoutExtension (file.Name);
if (index.Length != file.View.Read (index_offset, index, 0, (uint)(index.Length)))
return null;
DecryptIndex (index, key);
var dir = new List<Entry> (count); var dir = new List<Entry> (count);
int data_offset = index_offset + index.Length; int data_offset = index_offset + index.Length;
index_offset = 0;
foreach (var decryptor in KnownDecryptors)
{
if (index.Length != file.View.Read (index_offset, index, 0, (uint)(index.Length)))
return null;
decryptor.Decrypt (index, key);
try
{
if (ReadIndex (index, dir, base_name, data_offset, file.MaxOffset)
&& dir.Count > 0)
return new ArcFile (file, this, dir);
}
catch { /* ignore errors caused by wrong decrpytor */ }
dir.Clear();
}
return null;
}
bool ReadIndex (byte[] index, List<Entry> dir, string base_name, long data_offset, long max_offset)
{
int index_offset = 0;
int count = index.Length / 8;
for (int i = 0; i < count; ++i) for (int i = 0; i < count; ++i)
{ {
uint offset = LittleEndian.ToUInt32 (index, index_offset); uint offset = LittleEndian.ToUInt32 (index, index_offset);
uint size = LittleEndian.ToUInt32 (index, index_offset+4); uint size = LittleEndian.ToUInt32 (index, index_offset+4);
if (offset < data_offset || offset >= file.MaxOffset) if (offset < data_offset || offset >= max_offset)
return null; return false;
var entry = new Entry { if (size > 0)
Name = string.Format ("{0:D4}.pic", i), {
Type = "image", var entry = new PdImageEntry {
Offset = offset, Name = string.Format ("{0}#{1:D4}", base_name, i),
Size = size, Type = "image",
}; Offset = offset,
if (!entry.CheckPlacement (file.MaxOffset)) Size = size,
return null; Number = dir.Count
dir.Add (entry); };
if (!entry.CheckPlacement (max_offset))
return false;
dir.Add (entry);
}
index_offset += 8; index_offset += 8;
} }
return new ArcFile (file, this, dir); return true;
} }
private void DecryptIndex (byte[] index, int key) static readonly IEnumerable<IIndexDecryptor> KnownDecryptors = new IIndexDecryptor[] {
new DiscoveryDecryptor(),
new OldDecryptor(),
};
public override IImageDecoder OpenImage (ArcFile arc, Entry entry)
{ {
for (int i = 0; i != index.Length; ++i) byte pic_method = arc.File.View.ReadByte (entry.Offset);
if (pic_method != 1 && pic_method != 2)
return base.OpenImage (arc, entry);
var pent = (PdImageEntry)entry;
byte[] baseline = null;
var dir = arc.Dir as List<Entry>;
for (int i = pent.Number-1; i >= 0; --i)
{ {
int k = i + 14; var base_entry = dir[i];
int r = 9 - (k & 7) * (k + 5) * key * 0x77; byte base_method = arc.File.View.ReadByte (base_entry.Offset);
// int r = ((k * 0x6b) % (k / 2 + 1)) + key * 0x3b * (k + 11) * (k % (k + 17)); if (base_method != 1 && base_method != 2)
index[i] -= (byte)r; {
PicMetaData base_info;
using (var base_input = arc.File.CreateStream (base_entry.Offset, base_entry.Size))
{
base_info = s_picFormat.Value.ReadMetaData (base_input) as PicMetaData;
if (null == base_info)
throw new InvalidFormatException();
using (var reader = new PicFormat.Reader (base_input, base_info))
{
reader.Unpack();
baseline = reader.Data;
}
}
var overlay_info = new PdOverlayMetaData {
Width = base_info.Width,
Height = base_info.Height,
BPP = 24,
Method = pic_method,
ChunkCount = arc.File.View.ReadInt32 (pent.Offset+4),
};
var input = arc.File.CreateStream (pent.Offset, pent.Size);
return new PdOverlayImage (input, overlay_info, baseline);
}
}
return base.OpenImage (arc, entry);
}
static readonly Lazy<ImageFormat> s_picFormat = new Lazy<ImageFormat> (() => ImageFormat.FindByTag ("PIC/KAAS"));
}
internal class PdOverlayMetaData : ImageMetaData
{
public int Method;
public int ChunkCount;
}
internal class PdOverlayImage : BinaryImageDecoder
{
int m_method;
int m_chunk_count;
byte[] m_baseline;
public PdOverlayImage (IBinaryStream input, PdOverlayMetaData info, byte[] baseline) : base (input, info)
{
m_method = info.Method;
m_chunk_count = info.ChunkCount;
m_baseline = baseline;
}
protected override ImageData GetImageData ()
{
m_input.Position = 8;
if (1 == m_method)
ReadOverlayV1();
else
ReadOverlayV2();
return ImageData.Create (Info, PixelFormats.Bgr24, null, m_baseline);
}
void ReadOverlayV1 ()
{
for (int i = 0; i < m_chunk_count; ++i)
{
int dst = m_input.ReadInt24() * 3;
m_input.Read (m_baseline, dst, 3);
}
}
void ReadOverlayV2 ()
{
for (int i = 0; i < m_chunk_count; ++i)
{
int code = m_input.ReadInt24();
int dst = (code & 0x7FFFF) * 3;
int count = ((code >> 19) + 1) * 3;
m_input.Read (m_baseline, dst, count);
} }
} }
} }
@ -100,7 +218,7 @@ namespace GameRes.Formats.KAAS
public class PbOpener : ArchiveFormat public class PbOpener : ArchiveFormat
{ {
public override string Tag { get { return "PB"; } } public override string Tag { get { return "PB"; } }
public override string Description { get { return "KAAS engine PB resource archive"; } } public override string Description { get { return "KAAS engine audio archive"; } }
public override uint Signature { get { return 0; } } public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } } public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } } public override bool CanWrite { get { return false; } }
@ -121,7 +239,7 @@ namespace GameRes.Formats.KAAS
uint offset = file.View.ReadUInt32 (index_offset); uint offset = file.View.ReadUInt32 (index_offset);
Entry entry; Entry entry;
if (!is_voice) if (!is_voice)
entry = AutoEntry.Create (file, offset, i.ToString ("D4")); entry = new Entry { Name = i.ToString ("D4"), Type = "audio", Offset = offset };
else else
entry = new Entry { Name = string.Format ("{0:D4}.pb", i), Type = "archive", Offset = offset }; entry = new Entry { Name = string.Format ("{0:D4}.pb", i), Type = "archive", Offset = offset };
entry.Size = file.View.ReadUInt32 (index_offset + 4); entry.Size = file.View.ReadUInt32 (index_offset + 4);
@ -133,4 +251,30 @@ namespace GameRes.Formats.KAAS
return new ArcFile (file, this, dir); return new ArcFile (file, this, dir);
} }
} }
internal sealed class OldDecryptor : IIndexDecryptor
{
public void Decrypt (byte[] data, byte key)
{
for (int i = 0; i != data.Length; ++i)
{
int k = i + 14;
int r = 9 - (k & 7) * (k + 5) * key * 0x77;
data[i] -= (byte)r;
}
}
}
internal sealed class DiscoveryDecryptor : IIndexDecryptor
{
public void Decrypt (byte[] data, byte key)
{
for (int i = 0; i != data.Length; ++i)
{
int k = i + 14;
int r = ((k * 0x6b) % (k / 2 + 1)) + key * 0x3b * (k + 11) * (k % (k + 17));
data[i] -= (byte)r;
}
}
}
} }

192
ArcFormats/Kaas/ImageKAAS.cs
View File

@ -2,7 +2,7 @@
//! \date Sat Apr 11 03:09:41 2015 //! \date Sat Apr 11 03:09:41 2015
//! \brief KAAS engine image format implementation. //! \brief KAAS engine image format implementation.
// //
// Copyright (C) 2015 by morkt // Copyright (C) 2015-2017 by morkt
// //
// Permission is hereby granted, free of charge, to any person obtaining a copy // Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to // of this software and associated documentation files (the "Software"), to
@ -46,10 +46,15 @@ namespace GameRes.Formats.KAAS
[Export(typeof(ImageFormat))] [Export(typeof(ImageFormat))]
public class PicFormat : ImageFormat public class PicFormat : ImageFormat
{ {
public override string Tag { get { return "PIC"; } } public override string Tag { get { return "PIC/KAAS"; } }
public override string Description { get { return "KAAS engine image format"; } } public override string Description { get { return "KAAS engine image format"; } }
public override uint Signature { get { return 0; } } public override uint Signature { get { return 0; } }
public PicFormat ()
{
Extensions = new string[] { "" };
}
public override void Write (Stream file, ImageData image) public override void Write (Stream file, ImageData image)
{ {
throw new NotImplementedException ("PicFormat.Write not implemented"); throw new NotImplementedException ("PicFormat.Write not implemented");
@ -57,26 +62,24 @@ namespace GameRes.Formats.KAAS
public override ImageMetaData ReadMetaData (IBinaryStream stream) public override ImageMetaData ReadMetaData (IBinaryStream stream)
{ {
int mode = stream.ReadByte(); var header = stream.ReadHeader (0x12);
int mode = header[0];
switch (mode) switch (mode)
{ {
case 5: case 6: case 5: case 6: case 8: case 9:
break; break;
default: default:
return null; return null;
} }
int key = stream.ReadByte(); int key = header[1];
var header = stream.ReadBytes (0x10); uint width = LittleEndian.ToUInt16 (header, 2);
if (header.Length != 0x10) uint height = LittleEndian.ToUInt16 (header, 4);
return null;
uint width = LittleEndian.ToUInt16 (header, 0);
uint height = LittleEndian.ToUInt16 (header, 2);
if (0 == width || width > 4096 || 0 == height || height > 4096) if (0 == width || width > 4096 || 0 == height || height > 4096)
return null; return null;
var file_len = stream.Length; var file_len = stream.Length;
uint comp_size1 = LittleEndian.ToUInt32 (header, 6); uint comp_size1 = LittleEndian.ToUInt32 (header, 8);
uint comp_size2 = LittleEndian.ToUInt32 (header, 10); uint comp_size2 = LittleEndian.ToUInt32 (header, 12);
uint comp_size3 = LittleEndian.ToUInt16 (header, 14); uint comp_size3 = LittleEndian.ToUInt16 (header, 16);
if (comp_size1 >= file_len || comp_size2 >= file_len || comp_size3 >= file_len) if (comp_size1 >= file_len || comp_size2 >= file_len || comp_size3 >= file_len)
return null; return null;
return new PicMetaData return new PicMetaData
@ -94,15 +97,14 @@ namespace GameRes.Formats.KAAS
public override ImageData Read (IBinaryStream stream, ImageMetaData info) public override ImageData Read (IBinaryStream stream, ImageMetaData info)
{ {
stream.Position = 0x12; using (var reader = new Reader (stream, (PicMetaData)info))
using (var reader = new Reader (stream.AsStream, (PicMetaData)info))
{ {
reader.Unpack(); reader.Unpack();
return ImageData.Create (info, PixelFormats.Bgr24, null, reader.Data, (int)info.Width*3); return ImageData.Create (info, reader.Format, null, reader.Data, reader.Stride);
} }
} }
internal class Reader : IDisposable internal sealed class Reader : IDisposable
{ {
byte[] m_comp0; byte[] m_comp0;
byte[] m_comp1; byte[] m_comp1;
@ -111,12 +113,16 @@ namespace GameRes.Formats.KAAS
int m_mode; int m_mode;
int m_key; int m_key;
public byte[] Data { get { return m_output; } } public PixelFormat Format { get { return PixelFormats.Bgr24; } }
public byte[] Data { get { return m_output; } }
public int Stride { get; private set; }
public Reader (Stream file, PicMetaData info) public Reader (IBinaryStream file, PicMetaData info)
{ {
m_mode = info.Mode; m_mode = info.Mode;
m_key = info.Key; m_key = info.Key;
Stride = (int)info.Width * 3;
file.Position = 0x12;
if (6 == info.Mode) if (6 == info.Mode)
{ {
uint out_len = info.Width * info.Height * 3; uint out_len = info.Width * info.Height * 3;
@ -149,6 +155,8 @@ namespace GameRes.Formats.KAAS
{ {
case 5: Unpack5(); break; case 5: Unpack5(); break;
case 6: Unpack6(); break; case 6: Unpack6(); break;
case 8: Unpack8(); break;
case 9: Unpack9(); break;
default: default:
throw new NotSupportedException ("[KAAS] Not supported image compression"); throw new NotSupportedException ("[KAAS] Not supported image compression");
} }
@ -156,54 +164,52 @@ namespace GameRes.Formats.KAAS
private void Unpack5 () private void Unpack5 ()
{ {
int i = 0; int src0 = 0;
int src = 0; int src1 = 0;
int src2 = 0;
int dst = 0; int dst = 0;
int ctl = 1; int ctl = 1;
int x = 0;
for (;;) for (;;)
{ {
// int type = (m_comp0[x/4] >> (x & 3)*2) & 3;
if (1 == ctl) if (1 == ctl)
{ {
if (x == m_comp0.Length) if (src0 == m_comp0.Length)
break; break;
ctl = m_comp0[x++] | 0x100; ctl = m_comp0[src0++] | 0x100;
} }
int type = ctl & 3; int type = ctl & 3;
ctl >>= 2; ctl >>= 2;
int count, off; int count, offset;
switch (type) switch (type)
{ {
case 0: case 0:
m_output[dst++] = m_comp1[src++]; m_output[dst++] = m_comp1[src1++];
break; break;
case 1: case 1:
count = ((m_comp2[i / 2] >> (4 * (i & 1))) & 0xf) + 2; count = ((m_comp2[src2 / 2] >> (4 * (src2 & 1))) & 0xf) + 2;
off = m_comp1[src++] + 2; ++src2;
Binary.CopyOverlapped (m_output, dst-off, dst, count); offset = m_comp1[src1++] + 2;
Binary.CopyOverlapped (m_output, dst-offset, dst, count);
dst += count; dst += count;
++i;
break; break;
case 2: case 2:
count = LittleEndian.ToUInt16 (m_comp1, src); count = LittleEndian.ToUInt16 (m_comp1, src1);
if (0 == count) if (0 == count)
return; return;
off = (count & 0xfff) + 2; src1 += 2;
offset = (count & 0xfff) + 2;
count = (count >> 12) + 2; count = (count >> 12) + 2;
Binary.CopyOverlapped (m_output, dst-off, dst, count); Binary.CopyOverlapped (m_output, dst-offset, dst, count);
dst += count; dst += count;
src += 2;
break; break;
default: default:
off = (((m_comp2[i / 2] << (4 * (2 - (i & 1)))) & 0xf00) | m_comp1[src]) + 2; offset = (((m_comp2[src2 / 2] << (4 * (2 - (src2 & 1)))) & 0xf00) | m_comp1[src1]) + 2;
count = m_comp1[src+1] + 18; count = m_comp1[src1+1] + 18;
Binary.CopyOverlapped (m_output, dst-off, dst, count); ++src2;
src1 += 2;
Binary.CopyOverlapped (m_output, dst-offset, dst, count);
dst += count; dst += count;
src += 2;
++i;
break; break;
} }
} }
@ -216,6 +222,108 @@ namespace GameRes.Formats.KAAS
m_output[i] -= ScrambleTable[conv_base + (i&0xff)]; m_output[i] -= ScrambleTable[conv_base + (i&0xff)];
} }
private void Unpack8 ()
{
int src0 = 0;
int src1 = 0;
int src2 = 0;
int dst = 0;
for (;;)
{
int count, offset;
int type = (m_comp0[src0 / 8] >> (src0 & 6)) & 3;
src0 += 2;
if (type == 0)
{
m_output[dst++] = m_comp1[src1++];
m_output[dst++] = m_comp1[src1++];
m_output[dst++] = m_comp1[src1++];
}
else if (1 == type)
{
int code = m_comp1[src1++] + ((m_comp2[src2 / 2] << (4 * (2 - (src2 & 1)))) & 0xf00);
++src2;
count = ((code >> 10) + 1) * 3;
offset = ((code & 0x3FF) + 1) * 3;
Binary.CopyOverlapped (m_output, dst-offset, dst, count);
dst += count;
}
else if (2 == type)
{
int code = LittleEndian.ToUInt16 (m_comp1, src1);
src1 += 2;
count = ((code >> 14) + 1) * 3;
offset = ((code & 0x3FFF) + 1) * 3;
Binary.CopyOverlapped (m_output, dst-offset, dst, count);
dst += count;
}
else
{
int code = ((m_comp2[src2 / 2] << (4 * (4 - (src2 & 1)))) & 0xF0000) | LittleEndian.ToUInt16 (m_comp1, src1);
if (0 == code)
break;
src1 += 2;
++src2;
count = ((code >> 14) + 5) * 3;
offset = ((code & 0x3FFF) + 1) * 3;
Binary.CopyOverlapped (m_output, dst-offset, dst, count);
dst += count;
}
}
}
private void Unpack9 ()
{
int src0 = 0;
int src1 = 0;
int src2 = 0;
int dst = 0;
for (;;)
{
int count, offset;
int type = (m_comp0[src0 / 8] >> (src0 & 6)) & 3;
src0 += 2;
if (0 == type)
{
count = (m_comp0[src0 / 8] >> (src0 & 6)) & 3;
src0 += 2;
count = (count + 1) * 3;
Buffer.BlockCopy (m_comp1, src1, m_output, dst, count);
dst += count;
src1 += count;
}
else
{
if (1 == type)
{
int code = m_comp1[src1++] + ((m_comp2[src2 / 2] << (4 * (2 - (src2 & 1)))) & 0xF00);
++src2;
count = ((code >> 10) + 1) * 3;
offset = ((code & 0x3FF) + 1) * 3;
}
else if (2 == type)
{
int code = LittleEndian.ToUInt16 (m_comp1, src1);
src1 += 2;
count = ((code >> 14) + 1) * 3;
offset = ((code & 0x3FFF) + 1) * 3;
}
else
{
int code = ((m_comp2[src2 / 2] << (4 * (4 - (src2 & 1)))) & 0xf0000) | LittleEndian.ToUInt16 (m_comp1, src1);
if (0 == code)
break;
src1 += 2;
++src2;
count = ((code >> 14) + 5) * 3;
offset = ((code & 0x3FFF) + 1) * 3;
}
Binary.CopyOverlapped (m_output, dst-offset, dst, count);
dst += count;
}
}
}
static readonly byte[] ScrambleTable = new byte[] { static readonly byte[] ScrambleTable = new byte[] {
0x29, 0x23, 0xbe, 0x84, 0xe1, 0x6c, 0xd6, 0xae, 0x52, 0x90, 0x49, 0xf1, 0xf1, 0xbb, 0xe9, 0xeb, 0x29, 0x23, 0xbe, 0x84, 0xe1, 0x6c, 0xd6, 0xae, 0x52, 0x90, 0x49, 0xf1, 0xf1, 0xbb, 0xe9, 0xeb,
0xb3, 0xa6, 0xdb, 0x3c, 0x87, 0x0c, 0x3e, 0x99, 0x24, 0x5e, 0x0d, 0x1c, 0x06, 0xb7, 0x47, 0xde, 0xb3, 0xa6, 0xdb, 0x3c, 0x87, 0x0c, 0x3e, 0x99, 0x24, 0x5e, 0x0d, 0x1c, 0x06, 0xb7, 0x47, 0xde,
@ -248,5 +356,3 @@ namespace GameRes.Formats.KAAS
} }
} }
} }