mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-24 20:04:13 +08:00
368 lines
15 KiB
C#
368 lines
15 KiB
C#
//! \file ArcYPF.cs
|
|
//! \date Mon Jul 14 14:40:06 2014
|
|
//! \brief YPF resource format 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.Text;
|
|
using System.Collections.Generic;
|
|
using System.ComponentModel.Composition;
|
|
using System.Windows.Media;
|
|
using System.Windows.Media.Imaging;
|
|
using ZLibNet;
|
|
using GameRes.Formats.Strings;
|
|
using GameRes.Formats.Properties;
|
|
using GameRes.Utility;
|
|
|
|
namespace GameRes.Formats.YuRis
|
|
{
|
|
public class YpfOptions : ResourceOptions
|
|
{
|
|
public uint Key { get; set; }
|
|
public uint Version { get; set; }
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class YpfOpener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "YPF"; } }
|
|
public override string Description { get { return arcStrings.YPFDescription; } }
|
|
public override uint Signature { get { return 0x00465059; } }
|
|
public override bool IsHierarchic { get { return true; } }
|
|
public override bool CanCreate { get { return true; } }
|
|
|
|
private const uint DefaultKey = 0xffffffff;
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
uint version = file.View.ReadUInt32 (4);
|
|
uint count = file.View.ReadUInt32 (8);
|
|
uint dir_size = file.View.ReadUInt32 (12);
|
|
if (dir_size < count * 0x17 || count > 0xfffff)
|
|
return null;
|
|
if (dir_size > file.View.Reserve (0x20, dir_size))
|
|
return null;
|
|
var parser = new Parser (file, version, count, dir_size);
|
|
|
|
uint key = QueryEncryptionKey();
|
|
var dir = parser.ScanDir (key);
|
|
if (0 == dir.Count)
|
|
return null;
|
|
|
|
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 PackedEntry;
|
|
if (null == packed_entry || !packed_entry.IsPacked)
|
|
return input;
|
|
else
|
|
return new ZLibStream (input, CompressionMode.Decompress);
|
|
}
|
|
|
|
public override ResourceOptions GetDefaultOptions ()
|
|
{
|
|
return new YpfOptions
|
|
{
|
|
Key = Settings.Default.YPFKey,
|
|
Version = Settings.Default.YPFVersion,
|
|
};
|
|
}
|
|
|
|
public override object GetAccessWidget ()
|
|
{
|
|
return new GUI.WidgetYPF();
|
|
}
|
|
|
|
public override object GetCreationWidget ()
|
|
{
|
|
return new GUI.CreateYPFWidget();
|
|
}
|
|
|
|
uint QueryEncryptionKey ()
|
|
{
|
|
var options = Query<YpfOptions> (arcStrings.YPFNotice);
|
|
return options.Key;
|
|
}
|
|
|
|
internal class YpfEntry : PackedEntry
|
|
{
|
|
public byte[] IndexName;
|
|
public uint NameHash;
|
|
public byte FileType;
|
|
public uint CheckSum;
|
|
}
|
|
|
|
delegate uint ChecksumFunc (byte[] data);
|
|
|
|
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
|
|
EntryCallback callback)
|
|
{
|
|
var ypf_options = GetOptions<YpfOptions> (options);
|
|
if (null == ypf_options)
|
|
throw new ArgumentException ("Invalid archive creation options", "options");
|
|
if (ypf_options.Key > 0xff)
|
|
throw new InvalidEncryptionScheme (arcStrings.MsgCreationKeyRequired);
|
|
if (0 == ypf_options.Version)
|
|
throw new InvalidFormatException (arcStrings.MsgInvalidVersion);
|
|
|
|
int callback_count = 0;
|
|
var encoding = Encodings.cp932.WithFatalFallback();
|
|
|
|
ChecksumFunc Checksum = data => Crc32.Compute (data, 0, data.Length);
|
|
|
|
uint data_offset = 0x20;
|
|
var file_table = new List<YpfEntry>();
|
|
foreach (var entry in list)
|
|
{
|
|
try
|
|
{
|
|
string file_name = entry.Name;
|
|
byte[] name_buf = encoding.GetBytes (file_name);
|
|
if (name_buf.Length > 0xff)
|
|
throw new InvalidFileName (entry.Name, arcStrings.MsgFileNameTooLong);
|
|
uint hash = Checksum (name_buf);
|
|
byte file_type = GetFileType (ypf_options.Version, file_name);
|
|
|
|
for (int i = 0; i < name_buf.Length; ++i)
|
|
name_buf[i] = (byte)(name_buf[i] ^ ypf_options.Key);
|
|
|
|
file_table.Add (new YpfEntry {
|
|
Name = file_name,
|
|
IndexName = name_buf,
|
|
NameHash = hash,
|
|
FileType = file_type,
|
|
IsPacked = 0 == file_type,
|
|
});
|
|
data_offset += (uint)(0x17 + name_buf.Length);
|
|
}
|
|
catch (EncoderFallbackException X)
|
|
{
|
|
throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
|
|
}
|
|
}
|
|
file_table.Sort ((a, b) => a.NameHash.CompareTo (b.NameHash));
|
|
|
|
output.Position = data_offset;
|
|
uint current_offset = data_offset;
|
|
foreach (var entry in file_table)
|
|
{
|
|
if (null != callback)
|
|
callback (callback_count++, entry, arcStrings.MsgAddingFile);
|
|
|
|
entry.Offset = current_offset;
|
|
using (var input = File.OpenRead (entry.Name))
|
|
{
|
|
var file_size = input.Length;
|
|
if (file_size > uint.MaxValue || current_offset + file_size > uint.MaxValue)
|
|
throw new FileSizeException();
|
|
entry.UnpackedSize = (uint)file_size;
|
|
using (var checked_stream = new CheckedStream (output, new Adler32()))
|
|
{
|
|
if (entry.IsPacked)
|
|
{
|
|
using (var zstream = new ZLibStream (checked_stream, CompressionMode.Compress,
|
|
CompressionLevel.Level9, true))
|
|
{
|
|
input.CopyTo (zstream);
|
|
zstream.Flush();
|
|
entry.Size = (uint)zstream.TotalOut;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
input.CopyTo (checked_stream);
|
|
entry.Size = entry.UnpackedSize;
|
|
}
|
|
checked_stream.Flush();
|
|
entry.CheckSum = checked_stream.CheckSumValue;
|
|
current_offset += entry.Size;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (null != callback)
|
|
callback (callback_count++, null, arcStrings.MsgWritingIndex);
|
|
|
|
output.Position = 0;
|
|
using (var writer = new BinaryWriter (output, encoding, true))
|
|
{
|
|
writer.Write (Signature);
|
|
writer.Write (ypf_options.Version);
|
|
writer.Write (file_table.Count);
|
|
writer.Write (data_offset);
|
|
writer.BaseStream.Seek (0x20, SeekOrigin.Begin);
|
|
foreach (var entry in file_table)
|
|
{
|
|
writer.Write (entry.NameHash);
|
|
byte name_len = (byte)~Parser.Decrypt (ypf_options.Version, (byte)entry.IndexName.Length);
|
|
writer.Write (name_len);
|
|
writer.Write (entry.IndexName);
|
|
writer.Write (entry.FileType);
|
|
writer.Write ((byte)(entry.IsPacked ? 1 : 0));
|
|
writer.Write (entry.UnpackedSize);
|
|
writer.Write (entry.Size);
|
|
writer.Write ((uint)entry.Offset);
|
|
writer.Write (entry.CheckSum);
|
|
}
|
|
}
|
|
}
|
|
|
|
static byte GetFileType (uint version, string name)
|
|
{
|
|
// 0x0F7: 0-ybn, 1-bmp, 2-png, 3-jpg, 4-gif, 5-avi, 6-wav, 7-ogg, 8-psd
|
|
// 0x122, 0x12C, 0x196: 0-ybn, 1-bmp, 2-png, 3-jpg, 4-gif, 5-wav, 6-ogg, 7-psd
|
|
string ext = Path.GetExtension (name).TrimStart ('.').ToLower();
|
|
if ("ybn" == ext) return 0;
|
|
if ("bmp" == ext) return 1;
|
|
if ("png" == ext) return 2;
|
|
if ("jpg" == ext || "jpeg" == ext) return 3;
|
|
if ("gif" == ext) return 4;
|
|
if ("avi" == ext && 0xf7 == version) return 5;
|
|
byte type = 0;
|
|
if ("wav" == ext) type = 5;
|
|
else if ("ogg" == ext) type = 6;
|
|
else if ("psd" == ext) type = 7;
|
|
if (0xf7 == version && 0 != type)
|
|
++type;
|
|
return type;
|
|
}
|
|
|
|
private class Parser
|
|
{
|
|
ArcView m_file;
|
|
uint m_version;
|
|
uint m_count;
|
|
uint m_dir_size;
|
|
|
|
public Parser (ArcView file, uint version, uint count, uint dir_size)
|
|
{
|
|
m_file = file;
|
|
m_count = count;
|
|
m_dir_size = dir_size;
|
|
m_version = version;
|
|
}
|
|
// 4-name_checksum, 1-name_count, *-name, 1-file_type
|
|
// 1-pack_flag, 4-size, 4-packed_size, 4-offset, 4-packed_adler32
|
|
|
|
public List<Entry> ScanDir (uint key)
|
|
{
|
|
uint dir_offset = 0x20;
|
|
uint dir_remaining = m_dir_size;
|
|
var dir = new List<Entry> ((int)m_count);
|
|
for (uint num = 0; num < m_count; ++num)
|
|
{
|
|
if (dir_remaining < 0x17)
|
|
break;
|
|
dir_remaining -= 0x17;
|
|
|
|
uint name_size = Decrypt (m_version, (byte)(m_file.View.ReadByte (dir_offset+4) ^ 0xff));
|
|
if (name_size > dir_remaining)
|
|
break;
|
|
dir_remaining -= name_size;
|
|
dir_offset += 5;
|
|
if (0 == name_size)
|
|
break;
|
|
if (0xffffffff == key)
|
|
{
|
|
if (name_size < 4)
|
|
break;
|
|
// assume filename contains '.' and 3-characters extension.
|
|
key = (uint)(m_file.View.ReadByte (dir_offset+name_size-4) ^ 0x2e);
|
|
}
|
|
byte[] raw_name = new byte[name_size];
|
|
for (int i = 0; i < name_size; ++i)
|
|
{
|
|
raw_name[i] = (byte)(m_file.View.ReadByte (dir_offset) ^ key);
|
|
++dir_offset;
|
|
}
|
|
string name = Encodings.cp932.GetString (raw_name);
|
|
// 0x0F7: 0-ybn, 1-bmp, 2-png, 3-jpg, 4-gif, 5-avi, 6-wav, 7-ogg, 8-psd
|
|
// 0x122, 0x12C, 0x196: 0-ybn, 1-bmp, 2-png, 3-jpg, 4-gif, 5-wav, 6-ogg, 7-psd
|
|
int type_id = m_file.View.ReadByte (dir_offset);
|
|
string type = "";
|
|
switch (type_id)
|
|
{
|
|
case 0:
|
|
type = "script";
|
|
break;
|
|
case 1: case 2: case 3: case 4:
|
|
type = "image";
|
|
break;
|
|
case 5:
|
|
type = 0xf7 == m_version ? "video" : "audio";
|
|
break;
|
|
case 6:
|
|
case 7:
|
|
type = "audio";
|
|
break;
|
|
}
|
|
var entry = new PackedEntry { Name = name, Type = type };
|
|
entry.IsPacked = 1 == m_file.View.ReadByte (dir_offset+1);
|
|
entry.UnpackedSize = m_file.View.ReadUInt32 (dir_offset+2);
|
|
entry.Size = m_file.View.ReadUInt32 (dir_offset+6);
|
|
entry.Offset = m_file.View.ReadUInt32 (dir_offset+10);
|
|
if (entry.CheckPlacement (m_file.MaxOffset))
|
|
dir.Add (entry);
|
|
dir_offset += 0x12;
|
|
}
|
|
return dir;
|
|
}
|
|
|
|
static readonly byte[] s_crypt_table = {
|
|
0x03,0x48,0x06,0x35, // 0x122, 0x196
|
|
0x0C,0x10,0x11,0x19,0x1C,0x1E, // 0x0F7
|
|
0x09,0x0B,0x0D,0x13,0x15,0x1B, // 0x12C
|
|
0x20,0x23,0x26,0x29,
|
|
0x2C,0x2F,0x2E,0x32,
|
|
};
|
|
// 0xFF 0x0F7 "Four-Leaf" adler32
|
|
// 0x34 0x122 "Neko Koi!" crc32
|
|
// 0x28 0x12C "Suzukaze no Melt" (no recovery - 00 00 00 00)
|
|
// 0xFF 0x196 "Mamono Musume-tachi to no Rakuen ~Slime & Scylla~"
|
|
|
|
static public byte Decrypt (uint version, byte value)
|
|
{
|
|
int pos = 4;
|
|
if (version >= 0x100)
|
|
{
|
|
if (version >= 0x12c && version < 0x196)
|
|
pos = 10;
|
|
else
|
|
pos = 0;
|
|
}
|
|
pos = Array.IndexOf (s_crypt_table, value, pos);
|
|
if (-1 == pos)
|
|
return value;
|
|
if (0 != (pos & 1))
|
|
return s_crypt_table[pos-1];
|
|
else
|
|
return s_crypt_table[pos+1];
|
|
}
|
|
}
|
|
}
|
|
}
|