mirror of
https://github.com/crskycode/GARbro.git
synced 2024-11-23 21:55:34 +08:00
252 lines
9.4 KiB
C#
252 lines
9.4 KiB
C#
|
//! \file ArcDAT.cs
|
||
|
|
//! \date 2018 Nov 17
|
||
|
|
//! \brief KID 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;
|
||
|
|
using System.Collections.Generic;
|
||
|
|
using System.ComponentModel.Composition;
|
||
|
|
using System.IO;
|
||
|
|
using System.Security.Cryptography;
|
||
|
|
using GameRes.Utility;
|
||
|
|
|
||
|
|
namespace GameRes.Formats.Kid
|
||
|
|
{
|
||
|
|
[Export(typeof(ArchiveFormat))]
|
||
|
|
public class LnkOpener : ArchiveFormat
|
||
|
|
{
|
||
|
|
public override string Tag { get { return "DAT/LNK"; } }
|
||
|
|
public override string Description { get { return "KID resource archive"; } }
|
||
|
|
public override uint Signature { get { return 0x4B4E4C; } } // 'LNK'
|
||
|
|
public override bool IsHierarchic { get { return false; } }
|
||
|
|
public override bool CanWrite { get { return false; } }
|
||
|
|
|
||
|
|
LnkOpener ()
|
||
|
|
{
|
||
|
|
ContainedFormats = new[] { "PRT", "WAF" };
|
||
|
|
}
|
||
|
|
|
||
|
|
public override ArcFile TryOpen (ArcView file)
|
||
|
|
{
|
||
|
|
int count = file.View.ReadInt32 (4);
|
||
|
|
if (!IsSaneCount (count))
|
||
|
|
return null;
|
||
|
|
uint index_offset = 0x10;
|
||
|
|
long data_offset = index_offset + count * 32;
|
||
|
|
var dir = new List<Entry> (count);
|
||
|
|
for (int i = 0; i < count; ++i)
|
||
|
|
{
|
||
|
|
uint offset = file.View.ReadUInt32 (index_offset);
|
||
|
|
uint size = file.View.ReadUInt32 (index_offset+4);
|
||
|
|
var name = file.View.ReadString (index_offset+8, 0x18);
|
||
|
|
if (string.IsNullOrWhiteSpace (name))
|
||
|
|
return null;
|
||
|
|
var entry = Create<PackedEntry> (name);
|
||
|
|
entry.Offset = data_offset + offset;
|
||
|
|
entry.Size = size >> 1;
|
||
|
|
entry.IsPacked = (size & 1) != 0;
|
||
|
|
if (!entry.CheckPlacement (file.MaxOffset))
|
||
|
|
return null;
|
||
|
|
dir.Add (entry);
|
||
|
|
index_offset += 0x20;
|
||
|
|
}
|
||
|
|
return new ArcFile (file, this, dir);
|
||
|
|
}
|
||
|
|
|
||
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
||
|
|
{
|
||
|
|
IBinaryStream input = arc.File.CreateStream (entry.Offset, entry.Size, entry.Name);
|
||
|
|
var pent = entry as PackedEntry;
|
||
|
|
if (pent != null && pent.IsPacked && input.Signature == 0x646E6C) // 'lnd'
|
||
|
|
{
|
||
|
|
using (var lnd = input)
|
||
|
|
{
|
||
|
|
lnd.Position = 8;
|
||
|
|
pent.UnpackedSize = lnd.ReadUInt32();
|
||
|
|
lnd.ReadInt32();
|
||
|
|
var data = new byte[pent.UnpackedSize];
|
||
|
|
UnpackLnd (lnd, data);
|
||
|
|
input = new BinMemoryStream (data, entry.Name);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (input.Signature == 0x535043) // 'CPS'
|
||
|
|
{
|
||
|
|
using (input)
|
||
|
|
return UnpackCps (input);
|
||
|
|
}
|
||
|
|
return input.AsStream;
|
||
|
|
}
|
||
|
|
|
||
|
|
internal static void UnpackLnd (IBinaryStream input, byte[] output)
|
||
|
|
{
|
||
|
|
int unpacked_size = output.Length;
|
||
|
|
int dst = 0;
|
||
|
|
while (dst < unpacked_size)
|
||
|
|
{
|
||
|
|
int ctl = input.ReadByte();
|
||
|
|
if (-1 == ctl)
|
||
|
|
break;
|
||
|
|
if ((ctl & 0x80) != 0)
|
||
|
|
{
|
||
|
|
if ((ctl & 0x40) != 0)
|
||
|
|
{
|
||
|
|
int count = (ctl & 0x1F) + 2;
|
||
|
|
if ((ctl & 0x20) != 0)
|
||
|
|
count += input.ReadUInt8() << 5;
|
||
|
|
count = Math.Min (count, unpacked_size - dst);
|
||
|
|
byte v = input.ReadUInt8();
|
||
|
|
for (int i = 0; i < count; ++i)
|
||
|
|
output[dst++] = v;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int count = ((ctl >> 2) & 0xF) + 2;
|
||
|
|
int offset = ((ctl & 3) << 8) + input.ReadUInt8() + 1;
|
||
|
|
count = Math.Min (count, unpacked_size - dst);
|
||
|
|
Binary.CopyOverlapped (output, dst - offset, dst, count);
|
||
|
|
dst += count;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else if ((ctl & 0x40) != 0)
|
||
|
|
{
|
||
|
|
int length = Math.Min ((ctl & 0x3F) + 2, unpacked_size - dst);
|
||
|
|
int count = input.ReadUInt8();
|
||
|
|
input.Read (output, dst, length);
|
||
|
|
dst += length;
|
||
|
|
count = Math.Min (count * length, unpacked_size - dst);
|
||
|
|
if (count > 0)
|
||
|
|
{
|
||
|
|
Binary.CopyOverlapped (output, dst - length, dst, count);
|
||
|
|
dst += count;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
int count = (ctl & 0x1F) + 1;
|
||
|
|
if ((ctl & 0x20) != 0)
|
||
|
|
count += input.ReadUInt8() << 5;
|
||
|
|
count = Math.Min (count, unpacked_size - dst);
|
||
|
|
input.Read (output, dst, count);
|
||
|
|
dst += count;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void UnpackLnd16 (IBinaryStream input, byte[] output)
|
||
|
|
{
|
||
|
|
throw new NotImplementedException ("KID Lnd16 compression not implemented.");
|
||
|
|
}
|
||
|
|
|
||
|
|
Stream UnpackCps (IBinaryStream input)
|
||
|
|
{
|
||
|
|
input.Seek (-4, SeekOrigin.End);
|
||
|
|
uint key_offset = input.ReadUInt32() - 0x7534682;
|
||
|
|
input.Position = key_offset;
|
||
|
|
uint key = input.ReadUInt32() + key_offset + 0x3786425;
|
||
|
|
|
||
|
|
var header = input.ReadHeader (0x10);
|
||
|
|
int packed_size = header.ToInt32 (4);
|
||
|
|
int compression = header.ToUInt16 (0xA);
|
||
|
|
int unpacked_size = header.ToInt32 (0xC);
|
||
|
|
|
||
|
|
var decryptor = new CpsTransform (packed_size, (int)key_offset, key);
|
||
|
|
using (var decoded = new InputCryptoStream (input.AsStream, decryptor))
|
||
|
|
using (var cps = new BinaryStream (decoded, input.Name))
|
||
|
|
{
|
||
|
|
var output = new byte[unpacked_size];
|
||
|
|
if ((compression & 1) != 0)
|
||
|
|
{
|
||
|
|
cps.ReadInt32();
|
||
|
|
UnpackLnd (cps, output);
|
||
|
|
}
|
||
|
|
else if ((compression & 2) != 0)
|
||
|
|
{
|
||
|
|
UnpackLnd16 (cps, output);
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
cps.ReadInt32();
|
||
|
|
cps.Read (output, 0, unpacked_size);
|
||
|
|
}
|
||
|
|
return new BinMemoryStream (output);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
internal sealed class CpsTransform : ICryptoTransform
|
||
|
|
{
|
||
|
|
const int BlockSize = 4;
|
||
|
|
|
||
|
|
public bool CanReuseTransform { get { return false; } }
|
||
|
|
public bool CanTransformMultipleBlocks { get { return true; } }
|
||
|
|
public int InputBlockSize { get { return BlockSize; } }
|
||
|
|
public int OutputBlockSize { get { return BlockSize; } }
|
||
|
|
|
||
|
|
int m_data_length;
|
||
|
|
int m_key_offset;
|
||
|
|
uint m_key;
|
||
|
|
int m_position;
|
||
|
|
|
||
|
|
public CpsTransform (int data_length, int key_offset, uint key)
|
||
|
|
{
|
||
|
|
m_data_length = data_length;
|
||
|
|
m_key_offset = key_offset;
|
||
|
|
m_key = key;
|
||
|
|
m_position = 0x10;
|
||
|
|
}
|
||
|
|
|
||
|
|
public int TransformBlock (byte[] inputBuffer, int src, int inputCount,
|
||
|
|
byte[] outputBuffer, int dst)
|
||
|
|
{
|
||
|
|
for (int i = 0; i < inputCount; i += BlockSize)
|
||
|
|
{
|
||
|
|
if (m_position == m_data_length - 4)
|
||
|
|
{
|
||
|
|
LittleEndian.Pack (0, outputBuffer, dst);
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
uint data = LittleEndian.ToUInt32 (inputBuffer, src);
|
||
|
|
if (m_position != m_key_offset && m_key_offset != 0)
|
||
|
|
data -= m_key + (uint)m_data_length;
|
||
|
|
LittleEndian.Pack (data, outputBuffer, dst);
|
||
|
|
src += 4;
|
||
|
|
dst += 4;
|
||
|
|
m_position += 4;
|
||
|
|
m_key = 1103515245 * m_key + 39686;
|
||
|
|
}
|
||
|
|
return inputCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
public byte[] TransformFinalBlock (byte[] inputBuffer, int inputOffset, int inputCount)
|
||
|
|
{
|
||
|
|
byte[] outputBuffer = new byte[inputCount];
|
||
|
|
TransformBlock (inputBuffer, inputOffset, inputCount, outputBuffer, 0);
|
||
|
|
return outputBuffer;
|
||
|
|
}
|
||
|
|
|
||
|
|
public void Dispose ()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|