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morkt
2019-03-30 18:45:18 +04:00
parent 8894767e35
commit b35a80dcdc
5 changed files with 896 additions and 0 deletions
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215
ArcFormats/Key/ArcPAK.cs Normal file
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//! \file ArcPAK.cs
//! \date 2018 Nov 23
//! \brief Key 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.Linq;
using System.Text;
namespace GameRes.Formats.Key
{
[Export(typeof(ArchiveFormat))]
public class PakOpener : ArchiveFormat
{
public override string Tag { get { return "PAK/KEY"; } }
public override string Description { get { return "Key resource archive"; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return false; } }
public override bool CanWrite { get { return false; } }
static Encoding DefaultEncoding = Encoding.UTF8;
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
uint data_offset = file.View.ReadUInt32 (0);
if (data_offset <= 0x24 || data_offset >= file.MaxOffset)
return null;
uint block_size = file.View.ReadUInt32 (0xC);
if (0 == block_size)
return null;
uint first_offset = data_offset / block_size;
if (first_offset * block_size != data_offset)
return null;
byte flags = file.View.ReadByte (0x21);
uint index_offset = 0x24;
while (index_offset < data_offset)
{
if (file.View.ReadUInt32 (index_offset) == first_offset)
break;
index_offset += 4;
}
if (index_offset == data_offset)
return null;
string[] names;
if ((flags & 2) != 0) // index has names
{
var encoding = DefaultEncoding;
names = new string[count];
using (var input = file.CreateStream())
{
uint names_offset = file.View.ReadUInt32 (index_offset - 4);
input.Position = names_offset;
for (int i = 0; i < count; ++i)
{
names[i] = input.ReadCString (encoding);
}
}
}
else
{
names = Enumerable.Range (0, count).Select (x => x.ToString ("D5")).ToArray();
}
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry { Name = names[i] };
entry.Offset = (long)file.View.ReadUInt32 (index_offset) * block_size;
entry.Size = file.View.ReadUInt32 (index_offset+4);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
foreach (var entry in dir)
{
uint signature = file.View.ReadUInt32 (entry.Offset);
entry.ChangeType (AutoEntry.DetectFileType (signature));
}
return new ArcFile (file, this, dir);
}
}
/*
internal sealed class PakDeserializer : IDisposable
{
IBinaryStream m_input;
int m_data_offset;
int m_count1;
int m_count2;
int m_count3;
int field_58;
int field_5C;
int field_60;
int field_64;
int field_68;
public PakDeserializer (IBinaryStream input)
{
m_input = input;
}
public void Read ()
{
m_input.Position = 0;
ReadHeader();
}
void ReadHeader ()
{
m_data_offset = ReadInt32();
m_count1 = ReadInt32();
m_count2 = ReadInt32();
m_count3 = ReadInt32();
ReadInt32();
ReadInt32();
ReadInt32();
ReadInt32();
int n = ReadUInt8();
int flag = ReadBit();
ReadBit();
for (int i = 0; i < n; ++i)
{
int val1 = ReadUInt8();
int val2 = ReadUInt8();
int val3 = ReadUInt32();
}
ReadAlign();
field_58 = ReadInt32();
field_60 = (int)m_input.Position;
if (flag != 0)
{
field_68 = field_60 + 8 * m_count1;
m_input.Position = field_68;
}
if (field_58 != 0)
{
field_5C = m_data_offset - field_58;
}
}
int m_bit_pos;
byte m_bits;
int ReadInt32 ()
{
if (m_bit_pos != 0)
m_bit_pos = 0;
return m_input.ReadInt32();
}
byte ReadUInt8 ()
{
if (m_bit_pos != 0)
m_bit_pos = 0;
return m_input.ReadUInt8();
}
int ReadBit ()
{
if (0 == m_bit_pos)
{
m_bits = m_input.ReadUInt8();
m_bit_pos = 8;
}
return (m_bits >> --m_bit_pos) & 1;
}
byte[] m_align_buf = new byte[4];
int ReadAlign ()
{
int pos_align = (int)m_input.Position & 3;
if (pos_align != 0)
m_input.Read (m_align_buf, 0, 4 - pos_align);
}
bool m_disposed = false;
public void Dispose ()
{
if (!m_disposed)
{
m_input.Dispose();
m_disposed = true;
}
}
}
*/
}