mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-12 22:36:58 +08:00
398 lines
16 KiB
C#
398 lines
16 KiB
C#
//! \file ArcKogado.cs
|
|
//! \date Sun Aug 24 22:01:05 2014
|
|
//! \brief Kogado game engine archive implementation.
|
|
//
|
|
// Copyright (C) 2014 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.IO;
|
|
using System.Linq;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.Security.Cryptography;
|
|
using System.Diagnostics;
|
|
using System.Text;
|
|
using GameRes.Formats.Strings;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.Kogado
|
|
{
|
|
public class KogadoEntry : PackedEntry
|
|
{
|
|
// 0 : Not compressed
|
|
// 1 : Mariel compression
|
|
// 2 : Cocotte compression
|
|
// 3 : Xor 0xff encryption
|
|
public byte CompressionType;
|
|
public bool HasCheckSum;
|
|
public ushort CheckSum;
|
|
public long FileTime;
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class PakOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "KOGADO"; } }
|
|
public override string Description { get { return arcStrings.KogadoDescription; } }
|
|
public override uint Signature { get { return 0x61507948; } } // 'HyPa'
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanWrite { get { return true; } }
|
|
|
|
public PakOpener ()
|
|
{
|
|
Extensions = new string[] { "pak" };
|
|
}
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
if (!file.View.AsciiEqual (0, "HyPack"))
|
|
return null;
|
|
int version = file.View.ReadUInt16 (6);
|
|
int entry_size;
|
|
switch (version)
|
|
{
|
|
case 0x100: entry_size = 32; break;
|
|
case 0x200: entry_size = 40; break;
|
|
case 0x300:
|
|
case 0x301: entry_size = 48; break;
|
|
default: return null;
|
|
}
|
|
long index_offset = 0x10 + file.View.ReadUInt32 (8);
|
|
if (index_offset >= file.MaxOffset)
|
|
return null;
|
|
int entry_count = file.View.ReadInt32 (12);
|
|
if (entry_count <= 0 || entry_count > 0xfffff)
|
|
return null;
|
|
uint index_size = (uint)(entry_count * entry_size);
|
|
if (index_size > file.View.Reserve (index_offset, index_size))
|
|
return null;
|
|
long data_offset = 0x10;
|
|
|
|
var dir = new List<Entry> (entry_count);
|
|
for (int i = 0; i < entry_count; ++i)
|
|
{
|
|
string name = file.View.ReadString (index_offset, 0x15);
|
|
string ext = file.View.ReadString (index_offset+0x15, 3);
|
|
if (0 == name.Length)
|
|
name = i.ToString ("D5");
|
|
if (0 != ext.Length)
|
|
name += '.'+ext;
|
|
var entry = FormatCatalog.Instance.Create<KogadoEntry> (name);
|
|
entry.Offset = data_offset + file.View.ReadUInt32 (index_offset + 0x18);
|
|
if (version >= 0x200)
|
|
{
|
|
entry.UnpackedSize = file.View.ReadUInt32 (index_offset + 0x1c);
|
|
entry.Size = file.View.ReadUInt32 (index_offset + 0x20);
|
|
entry.CompressionType = file.View.ReadByte (index_offset + 0x24);
|
|
entry.IsPacked = 0 != entry.CompressionType;
|
|
if (version >= 0x300)
|
|
{
|
|
entry.HasCheckSum = 0 != file.View.ReadByte (index_offset + 0x25);
|
|
entry.CheckSum = file.View.ReadUInt16 (index_offset + 0x26);
|
|
entry.FileTime = file.View.ReadInt64 (index_offset + 0x28);
|
|
}
|
|
}
|
|
else
|
|
entry.Size = file.View.ReadUInt32 (index_offset + 0x1c);
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
|
return null;
|
|
dir.Add (entry);
|
|
index_offset += entry_size;
|
|
}
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var input = arc.File.CreateStream (entry.Offset, entry.Size);
|
|
var packed_entry = entry as KogadoEntry;
|
|
if (null == packed_entry || !packed_entry.IsPacked)
|
|
return input;
|
|
if (packed_entry.CompressionType > 3)
|
|
{
|
|
Trace.WriteLine (string.Format ("{1}: Unknown compression type {0}",
|
|
packed_entry.CompressionType, packed_entry.Name),
|
|
"Kogado.PakOpener.OpenEntry");
|
|
return input;
|
|
}
|
|
if (3 == packed_entry.CompressionType)
|
|
return new InputCryptoStream (input, new NotTransform());
|
|
try
|
|
{
|
|
if (2 == packed_entry.CompressionType)
|
|
{
|
|
var decoded = new MemoryStream ((int)packed_entry.UnpackedSize);
|
|
try
|
|
{
|
|
var cocotte = new CocotteEncoder();
|
|
if (!cocotte.Decode (input, decoded))
|
|
throw new InvalidFormatException ("Invalid Cocotte-encoded stream");
|
|
decoded.Position = 0;
|
|
return decoded;
|
|
}
|
|
catch
|
|
{
|
|
decoded.Dispose();
|
|
throw;
|
|
}
|
|
}
|
|
// if (1 == packed_entry.CompressionType)
|
|
var unpacked = new byte[packed_entry.UnpackedSize];
|
|
var mariel = new MarielEncoder();
|
|
mariel.Unpack (input, unpacked, unpacked.Length);
|
|
return new BinMemoryStream (unpacked, entry.Name);
|
|
}
|
|
finally
|
|
{
|
|
input.Dispose();
|
|
}
|
|
}
|
|
|
|
internal class OutputEntry : KogadoEntry
|
|
{
|
|
public byte[] IndexName;
|
|
public byte[] IndexExt;
|
|
}
|
|
|
|
// files inside archive are aligned to 0x10 boundary.
|
|
// to convert DateTime structure into entry time:
|
|
// entry.FileTime = file_info.CreationTimeUtc.Ticks;
|
|
//
|
|
// last two bytes of archive is CRC16 of the whole file
|
|
|
|
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
|
|
EntryCallback callback)
|
|
{
|
|
const long data_offset = 0x10;
|
|
var encoding = Encodings.cp932.WithFatalFallback();
|
|
int callback_count = 0;
|
|
|
|
var output_list = new List<OutputEntry> (list.Count());
|
|
foreach (var entry in list)
|
|
{
|
|
try
|
|
{
|
|
string name = Path.GetFileNameWithoutExtension (entry.Name);
|
|
string ext = Path.GetExtension (entry.Name);
|
|
byte[] name_buf = new byte[0x15];
|
|
byte[] ext_buf = new byte[3];
|
|
encoding.GetBytes (name, 0, name.Length, name_buf, 0);
|
|
if (!string.IsNullOrEmpty (ext))
|
|
{
|
|
ext = ext.TrimStart ('.').ToLowerInvariant();
|
|
encoding.GetBytes (ext, 0, ext.Length, ext_buf, 0);
|
|
}
|
|
var out_entry = new OutputEntry
|
|
{
|
|
Name = entry.Name,
|
|
IndexName = name_buf,
|
|
IndexExt = ext_buf,
|
|
};
|
|
output_list.Add (out_entry);
|
|
}
|
|
catch (EncoderFallbackException X)
|
|
{
|
|
throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
|
|
}
|
|
catch (ArgumentException X)
|
|
{
|
|
throw new InvalidFileName (entry.Name, arcStrings.MsgFileNameTooLong, X);
|
|
}
|
|
}
|
|
|
|
if (null != callback)
|
|
callback (output_list.Count+2, null, null);
|
|
|
|
output.Position = data_offset;
|
|
uint current_offset = 0;
|
|
foreach (var entry in output_list)
|
|
{
|
|
if (null != callback)
|
|
callback (callback_count++, entry, arcStrings.MsgAddingFile);
|
|
|
|
entry.FileTime = File.GetCreationTimeUtc (entry.Name).Ticks;
|
|
entry.Offset = current_offset;
|
|
entry.CompressionType = 0;
|
|
using (var input = File.OpenRead (entry.Name))
|
|
{
|
|
var size = input.Length;
|
|
if (size > uint.MaxValue || current_offset + size + 0x0f > uint.MaxValue)
|
|
throw new FileSizeException();
|
|
entry.Size = (uint)size;
|
|
entry.UnpackedSize = entry.Size;
|
|
using (var checked_stream = new CheckedStream (output, new Crc16()))
|
|
{
|
|
input.CopyTo (checked_stream);
|
|
entry.HasCheckSum = true;
|
|
entry.CheckSum = (ushort)checked_stream.CheckSumValue;
|
|
}
|
|
current_offset += (uint)size + 0x0f;
|
|
current_offset &= ~0x0fu;
|
|
output.Position = data_offset + current_offset;
|
|
}
|
|
}
|
|
|
|
if (null != callback)
|
|
callback (callback_count++, null, arcStrings.MsgUpdatingIndex);
|
|
|
|
// at last, go back to directory and write offset/sizes
|
|
uint index_offset = current_offset;
|
|
using (var index = new BinaryWriter (output, encoding, true))
|
|
{
|
|
foreach (var entry in output_list)
|
|
{
|
|
index.Write (entry.IndexName);
|
|
index.Write (entry.IndexExt);
|
|
index.Write ((uint)entry.Offset);
|
|
index.Write (entry.UnpackedSize);
|
|
index.Write (entry.Size);
|
|
index.Write (entry.CompressionType);
|
|
index.Write (entry.HasCheckSum);
|
|
index.Write (entry.CheckSum);
|
|
index.Write (entry.FileTime);
|
|
}
|
|
index.BaseStream.Position = 0;
|
|
index.Write (Signature);
|
|
index.Write (0x03006b63);
|
|
index.Write (index_offset);
|
|
index.Write (output_list.Count);
|
|
|
|
if (null != callback)
|
|
callback (callback_count++, null, arcStrings.MsgCalculatingChecksum);
|
|
|
|
output.Position = 0;
|
|
using (var checked_stream = new CheckedStream (output, new Crc16()))
|
|
{
|
|
checked_stream.CopyTo (Stream.Null);
|
|
index.Write ((ushort)checked_stream.CheckSumValue);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public sealed class Crc16 : ICheckSum
|
|
{
|
|
private ushort m_value = 0xffff;
|
|
|
|
public uint Value { get { return m_value; } }
|
|
|
|
public void Update (byte[] buf, int pos, int len)
|
|
{
|
|
for (int i = 0; i < len; ++i)
|
|
{
|
|
m_value = (ushort)(Crc16Table[(m_value^buf[pos+i]) & 0xff] ^ (m_value >> 8));
|
|
}
|
|
}
|
|
|
|
private static readonly ushort[] Crc16Table = {
|
|
0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
|
|
0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
|
|
0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
|
|
0x9cc9, 0x8d40, 0xbfdb, 0xae52, 0xdaed, 0xcb64, 0xf9ff, 0xe876,
|
|
0x2102, 0x308b, 0x0210, 0x1399, 0x6726, 0x76af, 0x4434, 0x55bd,
|
|
0xad4a, 0xbcc3, 0x8e58, 0x9fd1, 0xeb6e, 0xfae7, 0xc87c, 0xd9f5,
|
|
0x3183, 0x200a, 0x1291, 0x0318, 0x77a7, 0x662e, 0x54b5, 0x453c,
|
|
0xbdcb, 0xac42, 0x9ed9, 0x8f50, 0xfbef, 0xea66, 0xd8fd, 0xc974,
|
|
0x4204, 0x538d, 0x6116, 0x709f, 0x0420, 0x15a9, 0x2732, 0x36bb,
|
|
0xce4c, 0xdfc5, 0xed5e, 0xfcd7, 0x8868, 0x99e1, 0xab7a, 0xbaf3,
|
|
0x5285, 0x430c, 0x7197, 0x601e, 0x14a1, 0x0528, 0x37b3, 0x263a,
|
|
0xdecd, 0xcf44, 0xfddf, 0xec56, 0x98e9, 0x8960, 0xbbfb, 0xaa72,
|
|
0x6306, 0x728f, 0x4014, 0x519d, 0x2522, 0x34ab, 0x0630, 0x17b9,
|
|
0xef4e, 0xfec7, 0xcc5c, 0xddd5, 0xa96a, 0xb8e3, 0x8a78, 0x9bf1,
|
|
0x7387, 0x620e, 0x5095, 0x411c, 0x35a3, 0x242a, 0x16b1, 0x0738,
|
|
0xffcf, 0xee46, 0xdcdd, 0xcd54, 0xb9eb, 0xa862, 0x9af9, 0x8b70,
|
|
0x8408, 0x9581, 0xa71a, 0xb693, 0xc22c, 0xd3a5, 0xe13e, 0xf0b7,
|
|
0x0840, 0x19c9, 0x2b52, 0x3adb, 0x4e64, 0x5fed, 0x6d76, 0x7cff,
|
|
0x9489, 0x8500, 0xb79b, 0xa612, 0xd2ad, 0xc324, 0xf1bf, 0xe036,
|
|
0x18c1, 0x0948, 0x3bd3, 0x2a5a, 0x5ee5, 0x4f6c, 0x7df7, 0x6c7e,
|
|
0xa50a, 0xb483, 0x8618, 0x9791, 0xe32e, 0xf2a7, 0xc03c, 0xd1b5,
|
|
0x2942, 0x38cb, 0x0a50, 0x1bd9, 0x6f66, 0x7eef, 0x4c74, 0x5dfd,
|
|
0xb58b, 0xa402, 0x9699, 0x8710, 0xf3af, 0xe226, 0xd0bd, 0xc134,
|
|
0x39c3, 0x284a, 0x1ad1, 0x0b58, 0x7fe7, 0x6e6e, 0x5cf5, 0x4d7c,
|
|
0xc60c, 0xd785, 0xe51e, 0xf497, 0x8028, 0x91a1, 0xa33a, 0xb2b3,
|
|
0x4a44, 0x5bcd, 0x6956, 0x78df, 0x0c60, 0x1de9, 0x2f72, 0x3efb,
|
|
0xd68d, 0xc704, 0xf59f, 0xe416, 0x90a9, 0x8120, 0xb3bb, 0xa232,
|
|
0x5ac5, 0x4b4c, 0x79d7, 0x685e, 0x1ce1, 0x0d68, 0x3ff3, 0x2e7a,
|
|
0xe70e, 0xf687, 0xc41c, 0xd595, 0xa12a, 0xb0a3, 0x8238, 0x93b1,
|
|
0x6b46, 0x7acf, 0x4854, 0x59dd, 0x2d62, 0x3ceb, 0x0e70, 0x1ff9,
|
|
0xf78f, 0xe606, 0xd49d, 0xc514, 0xb1ab, 0xa022, 0x92b9, 0x8330,
|
|
0x7bc7, 0x6a4e, 0x58d5, 0x495c, 0x3de3, 0x2c6a, 0x1ef1, 0x0f78,
|
|
};
|
|
}
|
|
|
|
internal class MarielEncoder
|
|
{
|
|
public void Unpack (IBinaryStream input, byte[] dest, int dest_size)
|
|
{
|
|
int out_pos = 0;
|
|
uint bits = 0;
|
|
while (dest_size > 0)
|
|
{
|
|
bool carry = 0 != (bits & 0x80000000);
|
|
bits <<= 1;
|
|
if (0 == bits)
|
|
{
|
|
bits = input.ReadUInt32();
|
|
carry = 0 != (bits & 0x80000000);
|
|
bits = (bits << 1) | 1u;
|
|
}
|
|
int b = input.ReadByte();
|
|
if (-1 == b)
|
|
break;
|
|
if (!carry)
|
|
{
|
|
dest[out_pos++] = (byte)b;
|
|
dest_size--;
|
|
continue;
|
|
}
|
|
int offset = (b & 0x0f) + 1;
|
|
int count = ((b >> 4) & 0x0f) + 1;
|
|
if (0x0f == count)
|
|
{
|
|
b = input.ReadByte();
|
|
if (-1 == b)
|
|
break;
|
|
count = (byte)b;
|
|
}
|
|
else if (count > 0x0f)
|
|
{
|
|
count = input.ReadUInt16();
|
|
}
|
|
if (offset >= 0x0b)
|
|
{
|
|
offset -= 0x0b;
|
|
offset <<= 8;
|
|
offset |= input.ReadUInt8();
|
|
}
|
|
if (count > dest_size)
|
|
count = dest_size;
|
|
int src = out_pos - offset;
|
|
if (src < 0 || src >= out_pos)
|
|
break;
|
|
Binary.CopyOverlapped (dest, src, out_pos, count);
|
|
out_pos += count;
|
|
dest_size -= count;
|
|
}
|
|
}
|
|
}
|
|
}
|