mirror of
https://github.com/lifegpc/GARbro.git
synced 2026-07-08 01:31:41 +08:00
implemented TCD3 archives and SPDC images.
This commit is contained in:
morkt
295
ArcFormats/TopCat/ArcTCD3.cs
Normal file
295
ArcFormats/TopCat/ArcTCD3.cs
Normal file
@@ -0,0 +1,295 @@
|
||||
//! \file ArcTCD3.cs
|
||||
//! \date Thu Oct 08 13:14:57 2015
|
||||
//! \brief TopCat data archives (TCD)
|
||||
//
|
||||
// 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;
|
||||
|
||||
namespace GameRes.Formats.TopCat
|
||||
{
|
||||
internal class TcdSection
|
||||
{
|
||||
public uint DataSize;
|
||||
public uint IndexOffset;
|
||||
public int DirCount;
|
||||
public int DirNameLength;
|
||||
public int FileCount;
|
||||
public int FileNameLength;
|
||||
}
|
||||
|
||||
internal struct TcdDirEntry
|
||||
{
|
||||
public int FileCount;
|
||||
public int NamesOffset;
|
||||
public int FirstIndex;
|
||||
}
|
||||
|
||||
internal class TcdEntry : AutoEntry
|
||||
{
|
||||
public int Index;
|
||||
|
||||
public TcdEntry (int index, string name, ArcView file, long offset)
|
||||
: base (name, () => DetectFileType (file, offset))
|
||||
{
|
||||
Index = index;
|
||||
Offset = offset;
|
||||
}
|
||||
|
||||
private static IResource DetectFileType (ArcView file, long offset)
|
||||
{
|
||||
uint signature = file.View.ReadUInt32 (offset);
|
||||
return FormatCatalog.Instance.LookupSignature (signature).FirstOrDefault();
|
||||
}
|
||||
}
|
||||
|
||||
internal class TcdArchive : ArcFile
|
||||
{
|
||||
public int? Key;
|
||||
|
||||
public TcdArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir)
|
||||
: base (arc, impl, dir)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
[Serializable]
|
||||
public class TcdScheme : ResourceScheme
|
||||
{
|
||||
public Dictionary<string, int> KnownKeys;
|
||||
}
|
||||
|
||||
[Export(typeof(ArchiveFormat))]
|
||||
public class TcdOpener : ArchiveFormat
|
||||
{
|
||||
public override string Tag { get { return "TCD3"; } }
|
||||
public override string Description { get { return "TopCat data archive"; } }
|
||||
public override uint Signature { get { return 0x33444354; } } // 'TCD3'
|
||||
public override bool IsHierarchic { get { return true; } }
|
||||
public override bool CanCreate { get { return false; } }
|
||||
|
||||
public TcdOpener ()
|
||||
{
|
||||
Extensions = new string[] { "tcd" };
|
||||
}
|
||||
|
||||
public static Dictionary<string, int> KnownKeys = new Dictionary<string, int>();
|
||||
|
||||
public override ResourceScheme Scheme
|
||||
{
|
||||
get { return new TcdScheme { KnownKeys = KnownKeys }; }
|
||||
set { KnownKeys = ((TcdScheme)value).KnownKeys; }
|
||||
}
|
||||
|
||||
public override ArcFile TryOpen (ArcView file)
|
||||
{
|
||||
int count = file.View.ReadInt32 (4);
|
||||
if (!IsSaneCount (count))
|
||||
return null;
|
||||
|
||||
uint current_offset = 8;
|
||||
var sections = new List<TcdSection> (5);
|
||||
for (int i = 0; i < 5; ++i, current_offset += 0x20)
|
||||
{
|
||||
uint index_offset = file.View.ReadUInt32 (current_offset+4);
|
||||
if (0 == index_offset)
|
||||
continue;
|
||||
var section = new TcdSection
|
||||
{
|
||||
IndexOffset = index_offset,
|
||||
DataSize = file.View.ReadUInt32 (current_offset),
|
||||
DirCount = file.View.ReadInt32 (current_offset+8),
|
||||
DirNameLength = file.View.ReadInt32 (current_offset+0x0C),
|
||||
FileCount = file.View.ReadInt32 (current_offset+0x10),
|
||||
FileNameLength = file.View.ReadInt32 (current_offset+0x14),
|
||||
};
|
||||
sections.Add (section);
|
||||
}
|
||||
|
||||
var list = new List<Entry> (count);
|
||||
foreach (var section in sections)
|
||||
{
|
||||
current_offset = section.IndexOffset;
|
||||
uint dir_size = (uint)(section.DirCount * section.DirNameLength);
|
||||
var dir_names = new byte[dir_size];
|
||||
if (dir_size != file.View.Read (current_offset, dir_names, 0, dir_size))
|
||||
return null;
|
||||
current_offset += dir_size;
|
||||
DecryptNames (dir_names, section.DirNameLength);
|
||||
|
||||
var dirs = new TcdDirEntry[section.DirCount];
|
||||
for (int i = 0; i < dirs.Length; ++i)
|
||||
{
|
||||
dirs[i].FileCount = file.View.ReadInt32 (current_offset);
|
||||
dirs[i].NamesOffset = file.View.ReadInt32 (current_offset+4);
|
||||
dirs[i].FirstIndex = file.View.ReadInt32 (current_offset+8);
|
||||
current_offset += 0x10;
|
||||
}
|
||||
|
||||
uint entries_size = (uint)(section.FileCount * section.FileNameLength);
|
||||
var file_names = new byte[entries_size];
|
||||
if (entries_size != file.View.Read (current_offset, file_names, 0, entries_size))
|
||||
return null;
|
||||
current_offset += entries_size;
|
||||
DecryptNames (file_names, section.FileNameLength);
|
||||
|
||||
var offsets = new uint[section.FileCount + 1];
|
||||
for (int i = 0; i < offsets.Length; ++i)
|
||||
{
|
||||
offsets[i] = file.View.ReadUInt32 (current_offset);
|
||||
current_offset += 4;
|
||||
}
|
||||
|
||||
int dir_name_offset = 0;
|
||||
foreach (var dir in dirs)
|
||||
{
|
||||
string dir_name = Binary.GetCString (dir_names, dir_name_offset, section.DirNameLength);
|
||||
dir_name_offset += section.DirNameLength;
|
||||
int index = dir.FirstIndex;
|
||||
int name_offset = dir.NamesOffset;
|
||||
for (int i = 0; i < dir.FileCount; ++i)
|
||||
{
|
||||
string name = Binary.GetCString (file_names, name_offset, section.FileNameLength);
|
||||
name_offset += section.FileNameLength;
|
||||
name = dir_name + '\\' + name;
|
||||
var entry = new TcdEntry (index, name, file, offsets[index]);
|
||||
entry.Size = offsets[index+1] - offsets[index];
|
||||
++index;
|
||||
list.Add (entry);
|
||||
}
|
||||
}
|
||||
}
|
||||
return new TcdArchive (file, this, list);
|
||||
}
|
||||
|
||||
private void DecryptNames (byte[] buffer, int name_length)
|
||||
{
|
||||
byte key = buffer[name_length-1];
|
||||
for (int i = 0; i < buffer.Length; ++i)
|
||||
buffer[i] -= key;
|
||||
}
|
||||
|
||||
public override Stream OpenEntry (ArcFile arc, Entry entry)
|
||||
{
|
||||
var tcde = entry as TcdEntry;
|
||||
var tcda = arc as TcdArchive;
|
||||
if (null == tcde || null == tcda || entry.Size <= 0x14)
|
||||
return arc.File.CreateStream (entry.Offset, entry.Size);
|
||||
int signature = arc.File.View.ReadInt32 (entry.Offset);
|
||||
if (0x43445053 == signature) // 'SPDC'
|
||||
return arc.File.CreateStream (entry.Offset, entry.Size);
|
||||
if (0x5367674F == signature) // 'OggS'
|
||||
return DecryptOgg (arc, entry);
|
||||
var header = new byte[0x14];
|
||||
arc.File.View.Read (entry.Offset, header, 0, 0x14);
|
||||
unsafe
|
||||
{
|
||||
fixed (byte* raw = header)
|
||||
{
|
||||
int* dw = (int*)raw;
|
||||
if (null == tcda.Key)
|
||||
{
|
||||
foreach (var key in KnownKeys.Values)
|
||||
{
|
||||
int first = signature + key * (tcde.Index + 3);
|
||||
if (0x43445053 == first) // 'SPDC'
|
||||
{
|
||||
tcda.Key = key;
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
if (null != tcda.Key && 0 != tcda.Key.Value)
|
||||
{
|
||||
for (int i = 0; i < 5; ++i)
|
||||
dw[i] += tcda.Key.Value * (tcde.Index + 3 + i);
|
||||
}
|
||||
}
|
||||
}
|
||||
var rest = arc.File.CreateStream (entry.Offset+0x14, entry.Size-0x14);
|
||||
return new PrefixStream (header, rest);
|
||||
}
|
||||
|
||||
static Lazy<uint[]> OggCrcTable = new Lazy<uint[]> (InitOggCrcTable);
|
||||
|
||||
static uint[] InitOggCrcTable ()
|
||||
{
|
||||
var table = new uint[0x100];
|
||||
for (uint i = 0; i < 0x100; ++i)
|
||||
{
|
||||
uint a = i << 24;
|
||||
for (int j = 0; j < 8; ++j)
|
||||
{
|
||||
bool carry = 0 != (a & 0x80000000);
|
||||
a <<= 1;
|
||||
if (carry)
|
||||
a ^= 0x04C11DB7;
|
||||
}
|
||||
table[i] = a;
|
||||
}
|
||||
return table;
|
||||
}
|
||||
|
||||
Stream DecryptOgg (ArcFile arc, Entry entry)
|
||||
{
|
||||
var data = new byte[entry.Size];
|
||||
arc.File.View.Read (entry.Offset, data, 0, entry.Size);
|
||||
int remaining = data.Length;
|
||||
int src = 0;
|
||||
while (remaining > 0x1B && Binary.AsciiEqual (data, src, "OggS"))
|
||||
{
|
||||
int d = data[src+0x1A];
|
||||
data[src+0x16] = 0;
|
||||
data[src+0x17] = 0;
|
||||
data[src+0x18] = 0;
|
||||
data[src+0x19] = 0;
|
||||
int dst = src + 0x1B;
|
||||
int count = d + 0x1B;
|
||||
if (d != 0)
|
||||
{
|
||||
if (remaining < count)
|
||||
break;
|
||||
for (int i = 0; i < d; ++i)
|
||||
count += data[dst++];
|
||||
}
|
||||
remaining -= count;
|
||||
if (remaining < 0)
|
||||
break;
|
||||
dst = src + 0x16;
|
||||
uint crc = 0;
|
||||
for (int i = 0; i < count; ++i)
|
||||
{
|
||||
uint x = (crc >> 24) ^ data[src++];
|
||||
crc <<= 8;
|
||||
crc ^= OggCrcTable.Value[x];
|
||||
}
|
||||
LittleEndian.Pack (crc, data, dst);
|
||||
}
|
||||
return new MemoryStream (data);
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user