mirror of
https://github.com/crskycode/GARbro.git
synced 2024-12-29 14:24:13 +08:00
291 lines
11 KiB
C#
291 lines
11 KiB
C#
//! \file ArcHXP.cs
|
|
//! \date Sun Nov 08 18:04:58 2015
|
|
//! \brief SH System resource archive.
|
|
//
|
|
// Copyright (C) 2015 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 GameRes.Utility;
|
|
using System.Text;
|
|
|
|
namespace GameRes.Formats.SHSystem
|
|
{
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class Him4Opener : ArchiveFormat
|
|
{
|
|
public override string Tag { get { return "HIM4"; } }
|
|
public override string Description { get { return "SH System engine resource archive"; } }
|
|
public override uint Signature { get { return 0x346D6948; } } // 'Him4'
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanCreate { get { return false; } }
|
|
|
|
public Him4Opener ()
|
|
{
|
|
Signatures = new uint[] { 0x346D6948, 0x36534853 }; // 'Him4', 'SHS6'
|
|
Extensions = new string[] { "hxp" };
|
|
}
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
int count = file.View.ReadInt32 (4);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
|
|
long next_offset = file.View.ReadUInt32 (8);
|
|
uint index_offset = 0xC;
|
|
var dir = new List<Entry> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
if (next_offset > file.MaxOffset)
|
|
return null;
|
|
var entry = new PackedEntry {
|
|
Name = i.ToString ("D5"),
|
|
Offset = next_offset,
|
|
};
|
|
next_offset = i + 1 == count ? file.MaxOffset : file.View.ReadUInt32 (index_offset);
|
|
index_offset += 4;
|
|
entry.Size = (uint)(next_offset - entry.Offset);
|
|
dir.Add (entry);
|
|
}
|
|
DetectFileTypes (file, dir);
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
|
|
static protected void DetectFileTypes (ArcView file, List<Entry> dir)
|
|
{
|
|
byte[] signature_buffer = new byte[4];
|
|
foreach (PackedEntry entry in dir)
|
|
{
|
|
uint packed_size = file.View.ReadUInt32 (entry.Offset);
|
|
uint unpacked_size = file.View.ReadUInt32 (entry.Offset+4);
|
|
entry.IsPacked = 0 != packed_size;
|
|
if (!entry.IsPacked)
|
|
packed_size = unpacked_size;
|
|
entry.Size = packed_size;
|
|
entry.UnpackedSize = unpacked_size;
|
|
entry.Offset += 8;
|
|
uint signature;
|
|
if (entry.IsPacked)
|
|
{
|
|
using (var input = file.CreateStream (entry.Offset, Math.Min (packed_size, 0x20u)))
|
|
using (var reader = new ShsCompression (input))
|
|
{
|
|
reader.Unpack (signature_buffer);
|
|
signature = LittleEndian.ToUInt32 (signature_buffer, 0);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
signature = file.View.ReadUInt32 (entry.Offset);
|
|
}
|
|
if (0 != signature)
|
|
{
|
|
IResource res;
|
|
if (0x020000 == signature || 0x0A0000 == signature)
|
|
res = ImageFormat.Tga;
|
|
else
|
|
res = AutoEntry.DetectFileType (signature);
|
|
if (res != null)
|
|
{
|
|
entry.Type = res.Type;
|
|
var ext = res.Extensions.FirstOrDefault();
|
|
if (!string.IsNullOrEmpty (ext))
|
|
entry.Name = Path.ChangeExtension (entry.Name, ext);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
|
{
|
|
var input = base.OpenEntry (arc, entry);
|
|
var pent = entry as PackedEntry;
|
|
if (null == pent || !pent.IsPacked)
|
|
return input;
|
|
var data = new byte[pent.UnpackedSize];
|
|
using (var reader = new ShsCompression (input))
|
|
{
|
|
reader.Unpack (data);
|
|
return new MemoryStream (data);
|
|
}
|
|
}
|
|
}
|
|
|
|
[Export(typeof(ArchiveFormat))]
|
|
public class Him5Opener : Him4Opener
|
|
{
|
|
public override string Tag { get { return "HIM5"; } }
|
|
public override string Description { get { return "SH System engine resource archive"; } }
|
|
public override uint Signature { get { return 0x356D6948; } } // 'Him5'
|
|
public override bool IsHierarchic { get { return false; } }
|
|
public override bool CanCreate { get { return false; } }
|
|
|
|
public Him5Opener ()
|
|
{
|
|
Signatures = new uint[] { 0x356D6948, 0x37534853 }; // 'Him5', 'SHS7'
|
|
Extensions = new string[] { "hxp" };
|
|
}
|
|
|
|
public override ArcFile TryOpen (ArcView file)
|
|
{
|
|
int version = file.View.ReadByte (3) - '0';
|
|
int count = file.View.ReadInt32 (4);
|
|
if (!IsSaneCount (count))
|
|
return null;
|
|
|
|
var index = ReadIndex (file, 8, count);
|
|
var dir = new List<Entry>();
|
|
foreach (var section in index)
|
|
{
|
|
int index_offset = section.Item1;
|
|
for (int section_size = section.Item2; section_size > 0; )
|
|
{
|
|
int entry_size = file.View.ReadByte (index_offset);
|
|
if (entry_size < 5)
|
|
break;
|
|
var entry = new PackedEntry {
|
|
Offset = Binary.BigEndian (file.View.ReadUInt32 (index_offset+1)),
|
|
Name = file.View.ReadString (index_offset+5, (uint)entry_size-5),
|
|
};
|
|
if (entry.Offset > file.MaxOffset)
|
|
return null;
|
|
index_offset += entry_size;
|
|
section_size -= entry_size;
|
|
dir.Add (entry);
|
|
}
|
|
}
|
|
DetectFileTypes (file, dir);
|
|
return new ArcFile (file, this, dir);
|
|
}
|
|
|
|
internal static List<Tuple<int, int>> ReadIndex (ArcView file, uint index_offset, int count)
|
|
{
|
|
var index = new List<Tuple<int, int>> (count);
|
|
for (int i = 0; i < count; ++i)
|
|
{
|
|
int size = file.View.ReadInt32 (index_offset);
|
|
int offset = file.View.ReadInt32 (index_offset+4);
|
|
index_offset += 8;
|
|
if (size != 0)
|
|
index.Add (Tuple.Create (offset, size));
|
|
}
|
|
return index;
|
|
}
|
|
}
|
|
|
|
internal class ShsCompression : IDisposable
|
|
{
|
|
BinaryReader m_input;
|
|
|
|
public ShsCompression (Stream input, bool leave_open = false)
|
|
{
|
|
m_input = new BinaryReader (input, Encoding.UTF8, leave_open);
|
|
}
|
|
|
|
public int Unpack (byte[] output)
|
|
{
|
|
int dst = 0;
|
|
while (dst < output.Length)
|
|
{
|
|
int count;
|
|
int ctl = m_input.ReadByte();
|
|
if (ctl < 32)
|
|
{
|
|
switch (ctl)
|
|
{
|
|
case 0x1D:
|
|
count = m_input.ReadByte() + 0x1E;
|
|
break;
|
|
case 0x1E:
|
|
count = Binary.BigEndian (m_input.ReadUInt16()) + 0x11E;
|
|
break;
|
|
case 0x1F:
|
|
count = Binary.BigEndian (m_input.ReadInt32());
|
|
break;
|
|
default:
|
|
count = ctl + 1;
|
|
break;
|
|
}
|
|
count = Math.Min (count, output.Length - dst);
|
|
m_input.Read (output, dst, count);
|
|
}
|
|
else
|
|
{
|
|
int offset;
|
|
if (0 == (ctl & 0x80))
|
|
{
|
|
if (0x20 == (ctl & 0x60))
|
|
{
|
|
offset = (ctl >> 2) & 7;
|
|
count = ctl & 3;
|
|
}
|
|
else
|
|
{
|
|
offset = m_input.ReadByte();
|
|
if (0x40 == (ctl & 0x60))
|
|
count = (ctl & 0x1F) + 4;
|
|
else
|
|
{
|
|
offset |= (ctl & 0x1F) << 8;
|
|
ctl = m_input.ReadByte();
|
|
if (0xFE == ctl)
|
|
count = Binary.BigEndian (m_input.ReadUInt16()) + 0x102;
|
|
else if (0xFF == ctl)
|
|
count = Binary.BigEndian (m_input.ReadInt32());
|
|
else
|
|
count = ctl + 4;
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
count = (ctl >> 5) & 3;
|
|
offset = ((ctl & 0x1F) << 8) | m_input.ReadByte();
|
|
}
|
|
count += 3;
|
|
offset++;
|
|
count = Math.Min (count, output.Length-dst);
|
|
Binary.CopyOverlapped (output, dst-offset, dst, count);
|
|
}
|
|
dst += count;
|
|
}
|
|
return dst;
|
|
}
|
|
|
|
#region IDisposable Members
|
|
bool m_disposed = false;
|
|
public void Dispose ()
|
|
{
|
|
if (!m_disposed)
|
|
{
|
|
m_input.Dispose();
|
|
m_disposed = true;
|
|
}
|
|
}
|
|
#endregion
|
|
}
|
|
}
|