public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
int index_offset = 4;
int index_end = 4 + 8 * count;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry
{
Offset = file.View.ReadUInt32(index_offset),
Size = file.View.ReadUInt32(index_offset + 4),
};
if (entry.Offset < index_end || !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.Name = string.Format("{0}#{1:D5}", base_name, i);
dir.Add(entry);
index_offset += 8;
}
foreach (PackedEntry entry in dir)
{
var n = file.View.ReadInt32(entry.Offset);
if (n <= 0)
{
return(null);
}
var offset = file.View.ReadUInt32(entry.Offset + 4);
var size = file.View.ReadUInt32(entry.Offset + 8);
entry.Offset += offset;
entry.Size = size & 0x3FFFFFFF;
entry.IsPacked = 2 != (size >> 30);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
var res = AutoEntry.DetectFileType(file.View.ReadUInt32(entry.Offset));
if (res != null)
{
entry.ChangeType(res);
}
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
var dir = new List <Entry> (count);
int index_offset = 8;
long data_offset = count * 4 + 8;
uint next_offset = file.View.ReadUInt32(index_offset);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var entry = new PackedEntry {
Offset = next_offset
};
next_offset = i + 1 < count?file.View.ReadUInt32(index_offset) : (uint)file.MaxOffset;
entry.Size = next_offset - (uint)entry.Offset;
if (entry.Offset < data_offset || !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.Name = string.Format("{0}#{1:D4}", base_name, i);
dir.Add(entry);
}
DetectFileTypes(file, dir);
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
var arc_name = Path.GetFileName(file.Name);
var parsed = ArcNameParser.ParseName(arc_name);
if (null == parsed)
{
return(null);
}
var toc_name = VFS.CombinePath(VFS.GetDirectoryName(file.Name), parsed.Item1);
var toc = ReadToc(toc_name, 4);
if (null == toc)
{
return(null);
}
bool has_images = false;
var dir = new List <Entry>();
using (var toc_stream = new MemoryStream(toc))
using (var index = new StreamReader(toc_stream))
{
string line;
while ((line = index.ReadLine()) != null)
{
var fields = line.Split(',');
if (fields.Length != 5)
{
return(null);
}
var name = Path.ChangeExtension(fields[0], fields[4]);
string type = "";
if ("b" == fields[4])
{
type = "image";
has_images = true;
}
else if ("k" == fields[4] || "j" == fields[4])
{
type = "audio";
}
var entry = new PackedEntry
{
Name = name,
Type = type,
Offset = UInt32.Parse(fields[3]),
Size = UInt32.Parse(fields[2]),
UnpackedSize = UInt32.Parse(fields[1]),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.IsPacked = entry.UnpackedSize != entry.Size;
dir.Add(entry);
}
}
return(ArchiveFromDir(file, dir, has_images));
}
bool ReadV1(Stream input)
{
// NOTE CryptoStream will close an input stream
using (var xored = new CryptoStream(input, new NotTransform(), CryptoStreamMode.Read))
using (var lzss = new LzssStream(xored))
lzss.Read(m_index, 0, m_index.Length);
int index_offset = Array.IndexOf(m_index, (byte)0);
if (-1 == index_offset || 0 == index_offset)
{
return(false);
}
Password = m_index.Take(index_offset++).ToArray();
long base_offset = 0x20 + m_packed_size;
for (int i = 0; i < m_count; ++i)
{
var entry = new PackedEntry();
entry.Offset = LittleEndian.ToUInt32(m_index, index_offset) + base_offset;
entry.Size = LittleEndian.ToUInt32(m_index, index_offset + 4);
entry.UnpackedSize = LittleEndian.ToUInt32(m_index, index_offset + 8);
entry.IsPacked = entry.UnpackedSize != 0;
if (!entry.CheckPlacement(m_file.MaxOffset))
{
return(false);
}
int name_len = LittleEndian.ToInt32(m_index, index_offset + 0xC);
entry.Name = Encodings.cp932.GetString(m_index, index_offset + 0x18, name_len);
entry.Type = FormatCatalog.Instance.GetTypeFromName(entry.Name);
m_dir.Value.Add(entry);
index_offset += 0x18 + name_len;
}
return(true);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0x10);
if (!IsSaneCount(count))
{
return(null);
}
uint index_offset = file.View.ReadUInt32(8);
if (index_offset >= file.MaxOffset)
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry {
Name = string.Format("{0}#{1:D4}", base_name, i),
Size = file.View.ReadUInt32(index_offset),
Offset = file.View.ReadUInt32(index_offset + 4),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 8;
}
DetectFileTypes(dir, file);
return(new ArcFile(file, this, dir));
}
bool ReadV0(Stream input)
{
long current_offset = 0x20 + m_packed_size;
uint offset_table_size = (uint)m_count * 0x10;
if (offset_table_size > m_file.View.Reserve(current_offset, offset_table_size))
{
return(false);
}
using (var lzss = new LzssStream(input, LzssMode.Decompress, true))
if (m_index.Length != lzss.Read(m_index, 0, m_index.Length))
{
return(false);
}
for (int i = 0; i < m_index.Length; ++i)
{
m_index[i] = (byte)(~m_index[i] - 5);
}
int index_offset = Array.IndexOf <byte> (m_index, 0);
if (-1 == index_offset || 0 == index_offset)
{
return(false);
}
index_offset++;
// Password = m_index.Take (index_offset++).ToArray();
for (int i = 0; i < m_count && index_offset < m_index.Length; ++i)
{
int name_end = Array.IndexOf <byte> (m_index, 0, index_offset);
if (-1 == name_end)
{
name_end = m_index.Length;
}
if (index_offset == name_end)
{
return(false);
}
var entry = new PackedEntry();
entry.Offset = m_file.View.ReadUInt32(current_offset);
entry.Size = m_file.View.ReadUInt32(current_offset + 4);
entry.UnpackedSize = m_file.View.ReadUInt32(current_offset + 8);
entry.IsPacked = entry.UnpackedSize != 0;
if (!entry.CheckPlacement(m_file.MaxOffset))
{
return(false);
}
entry.Name = Encodings.cp932.GetString(m_index, index_offset, name_end - index_offset);
entry.Type = FormatCatalog.Instance.GetTypeFromName(entry.Name);
m_dir.Value.Add(entry);
index_offset = name_end + 1;
current_offset += 0x10;
}
return(true);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(4, "KO ARC20"))
{
return(null);
}
int count = file.View.ReadInt32(12);
if (!IsSaneCount(count))
{
return(null);
}
uint index_size = 0x80 * (uint)count;
if (index_size > file.View.Reserve(0x10, index_size))
{
return(null);
}
var dir = new List <Entry> (count);
long index_offset = 0x10;
long base_offset = index_offset + index_size;
for (uint i = 0; i < count; ++i)
{
string name = file.View.ReadString(index_offset, 0x60);
var offset = base_offset + file.View.ReadUInt32(index_offset + 0x60);
var entry = new PackedEntry {
Name = name, Offset = offset
};
entry.Size = file.View.ReadUInt32(index_offset + 0x64);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x80;
}
foreach (var entry in dir)
{
uint signature = file.View.ReadUInt32(entry.Offset);
var res = AutoEntry.DetectFileType(signature);
if (res != null)
{
entry.Type = res.Type;
}
else if (file.View.AsciiEqual(entry.Offset, "BSE 1."))
{
entry.Type = "image";
}
else if (file.View.AsciiEqual(entry.Offset + 4, "bw "))
{
entry.Type = "audio";
}
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(0, "PAC") || 'K' == file.View.ReadByte(3))
{
return(null);
}
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
int pack_type = file.View.ReadInt32(8);
uint index_size = file.View.ReadUInt32(file.MaxOffset - 4);
if (index_size >= file.MaxOffset)
{
return(null);
}
byte[] index_packed = new byte[index_size];
file.View.Read(file.MaxOffset - 4 - index_size, index_packed, 0, index_size);
for (int i = 0; i < index_packed.Length; ++i)
{
index_packed[i] = (byte)~index_packed[i];
}
var index = HuffmanDecode(index_packed, count * 0x4c);
var dir = new List <Entry> (count);
int offset = 0;
for (int i = 0; i < count; ++i, offset += 0x4c)
{
var name = Binary.GetCString(index, offset, 0x40);
var entry = new PackedEntry
{
Name = name,
Type = FormatCatalog.Instance.GetTypeFromName(name),
Offset = LittleEndian.ToUInt32(index, offset + 0x40),
UnpackedSize = LittleEndian.ToUInt32(index, offset + 0x44),
Size = LittleEndian.ToUInt32(index, offset + 0x48),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.IsPacked = pack_type != 0 && (pack_type != 4 || entry.Size != entry.UnpackedSize);
dir.Add(entry);
}
if (0 == pack_type)
{
return(new ArcFile(file, this, dir));
}
return(new PacArchive(file, this, dir, (Compression)pack_type));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if ((count & 0xFFFF) != 0)
{
return(null);
}
count = (count >> 16) - 1;
if (!IsSaneCount(count))
{
return(null);
}
uint index_offset = 0xC;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadUInt32(index_offset).ToString("D5");
var entry = new PackedEntry {
Name = name,
Offset = file.View.ReadUInt32(index_offset + 4) << 11,
Size = file.View.ReadUInt32(index_offset + 8),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 12;
}
foreach (PackedEntry entry in dir)
{
uint signature;
if (entry.Size > 13 && file.View.AsciiEqual(entry.Offset + 2, "ike"))
{
int unpacked_size = IkeReader.DecodeSize(file.View.ReadByte(entry.Offset + 10),
file.View.ReadByte(entry.Offset + 11),
file.View.ReadByte(entry.Offset + 12));
entry.IsPacked = true;
entry.UnpackedSize = (uint)unpacked_size;
signature = file.View.ReadUInt32(entry.Offset + 0xF);
entry.Offset += 13;
entry.Size -= 13;
}
else
{
signature = file.View.ReadUInt32(entry.Offset);
}
entry.ChangeType(AutoEntry.DetectFileType(signature));
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
var arc_list = new List <Entry>();
long max_offset = file.MaxOffset;
for (int i = 1; i < 100; ++i)
{
var part_name = Path.ChangeExtension(file.Name, string.Format("a{0:D02}", i));
if (!VFS.FileExists(part_name))
{
break;
}
var part = VFS.FindFile(part_name);
arc_list.Add(part);
max_offset += part.Size;
}
uint index_length = file.View.ReadUInt32(8);
uint data_offset = file.View.ReadUInt32(0x10);
using (var zindex = file.CreateStream(0x20, index_length))
using (var uindex = new ZLibStream(zindex, CompressionMode.Decompress))
using (var index = new BinaryStream(uindex, file.Name))
{
var buffer = new byte[500];
var dir = new List <Entry>();
while (index.PeekByte() != -1)
{
int entry_length = index.ReadInt32();
if (entry_length <= 528)
{
return(null);
}
bool is_deleted = index.ReadUInt32() != 0;
var entry = new PackedEntry();
entry.Offset = index.ReadInt64() + data_offset;
index.ReadUInt32();
entry.Size = index.ReadUInt32();
entry.UnpackedSize = index.ReadUInt32();
entry.IsPacked = entry.Size != entry.UnpackedSize;
index.Read(buffer, 0, 500);
int name_length = index.Read(buffer, 0, entry_length - 528);
if (!is_deleted && entry.CheckPlacement(max_offset))
{
entry.Name = Encoding.Unicode.GetString(buffer, 0, name_length);
entry.Type = FormatCatalog.Instance.GetTypeFromName(entry.Name);
dir.Add(entry);
}
}
return(new Mpf2Archive(file, this, dir, arc_list));
}
}
public override ArcFile TryOpen(ArcView file)
{
uint first_offset = file.View.ReadUInt32(0);
if (first_offset < 8 || first_offset >= file.MaxOffset || 0 != (first_offset & 3))
{
return(null);
}
int count = (int)(first_offset - 4) / 4;
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint index_offset = 0;
uint next_offset = first_offset;
var dir = new List <Entry> (count);
for (int i = 0; i < count && next_offset < file.MaxOffset; ++i)
{
var entry = new PackedEntry {
Offset = next_offset
};
index_offset += 4;
next_offset = file.View.ReadUInt32(index_offset);
if (next_offset < entry.Offset)
{
return(null);
}
entry.Size = (uint)(next_offset - entry.Offset);
entry.UnpackedSize = entry.Size;
if (entry.Size != 0)
{
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.Name = string.Format("{0}#{1:D4}", base_name, i);
dir.Add(entry);
}
}
if (0 == dir.Count)
{
return(null);
}
DetectFileTypes(file, dir);
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
uint index_offset = 8;
long base_offset = count * 0x20 + 8;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString(index_offset, 0x10);
uint size = file.View.ReadUInt32(index_offset + 0x10);
var entry = new PackedEntry {
Name = name
};
if (name.HasExtension(".scp"))
{
entry.Type = "script";
entry.IsPacked = size > 12 && file.View.AsciiEqual(index_offset + 0x14, "CMP1");
}
else
{
entry.Type = FormatCatalog.Instance.GetTypeFromName(name);
entry.IsPacked = false;
}
if (entry.IsPacked)
{
entry.UnpackedSize = file.View.ReadUInt32(index_offset + 0x18);
}
else
{
entry.UnpackedSize = size;
}
entry.Offset = base_offset;
entry.Size = size;
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
base_offset += size;
index_offset += 0x20;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(0, "KOTORI") || 0x1A1A00 != file.View.ReadInt32(6))
{
return(null);
}
int count = file.View.ReadUInt16(0x14);
if (0x0100A618 != file.View.ReadInt32(0x10) || !IsSaneCount(count))
{
return(null);
}
string base_name = Path.GetFileNameWithoutExtension(file.Name);
uint current_offset = 0x18;
long next_offset = file.View.ReadUInt32(current_offset);
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry {
Name = string.Format("{0}#{1:D4}.ogg", base_name, i),
Type = "audio",
Offset = next_offset,
};
if (i + 1 != count)
{
current_offset += 6;
next_offset = file.View.ReadUInt32(current_offset);
}
else
{
next_offset = file.MaxOffset;
}
entry.Size = (uint)(next_offset - entry.Offset);
if (entry.Size >= 0x32)
{
entry.IsPacked = true;
entry.UnpackedSize = entry.Size - 0x32;
}
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
uint first_offset = file.View.ReadUInt32(4);
if (first_offset != 4 + (uint)count * 12)
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name).ToUpperInvariant();
string default_type = base_name == "SCR" ? "script" :
base_name == "VOICE" || base_name == "SE" ? "audio" :
base_name == "PICT" ? "image" : "";
uint index_offset = 4;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32(index_offset);
var entry = new PackedEntry {
Name = string.Format("{0}#{1:D4}", base_name, i),
Type = default_type,
Offset = file.View.ReadUInt32(index_offset),
UnpackedSize = file.View.ReadUInt32(index_offset + 4),
Size = file.View.ReadUInt32(index_offset + 8),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.IsPacked = entry.UnpackedSize != entry.Size;
dir.Add(entry);
index_offset += 12;
}
if (string.IsNullOrEmpty(default_type))
{
DetectFileTypes(file, dir);
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var index = Him5Opener.ReadIndex(file, 0x20, 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 < 17)
{
break;
}
var entry = new PackedEntry {
Offset = file.View.ReadUInt32(index_offset + 1),
UnpackedSize = file.View.ReadUInt32(index_offset + 5),
Size = file.View.ReadUInt32(index_offset + 9),
Name = file.View.ReadString(index_offset + 17, (uint)entry_size - 17),
};
entry.IsPacked = entry.Size != 0;
if (!entry.IsPacked)
{
entry.Size = entry.UnpackedSize;
}
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
index_offset += entry_size;
section_size -= entry_size;
dir.Add(entry);
}
}
DetectFileTypes(file, dir);
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".arc"))
{
return(null);
}
var bin_name = Path.ChangeExtension(file.Name, "BIN");
if (!VFS.FileExists(bin_name))
{
return(null);
}
using (var bin = VFS.OpenView(bin_name))
{
if (!bin.View.AsciiEqual(0, "LSDARC V.100"))
{
return(null);
}
int count = bin.View.ReadInt32(0xC);
if (!IsSaneCount(count))
{
return(null);
}
using (var index = bin.CreateStream())
{
index.Position = 0x10;
var dir = new List <Entry>(count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry();
entry.IsPacked = index.ReadInt32() != 0;
entry.Offset = index.ReadUInt32();
entry.UnpackedSize = index.ReadUInt32();
entry.Size = index.ReadUInt32();
entry.Name = index.ReadCString();
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
}
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".dm"))
{
return(null);
}
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
var arc_name = Path.GetFileNameWithoutExtension(file.Name).ToLowerInvariant();
string type = arc_name == "image" ? "image"
: arc_name == "sound" ? "audio" : "";
uint index_offset = 4;
uint data_offset = 4 + (uint)count * 0x2C;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString(index_offset, 0x20);
if (string.IsNullOrWhiteSpace(name))
{
return(null);
}
var entry = new PackedEntry {
Name = name,
Type = type,
UnpackedSize = file.View.ReadUInt32(index_offset + 0x20),
Size = file.View.ReadUInt32(index_offset + 0x24),
Offset = file.View.ReadUInt32(index_offset + 0x28),
IsPacked = true,
};
if (entry.Offset < data_offset || !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x2C;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
uint index_offset = file.View.ReadUInt32(8);
int count = file.View.ReadInt32(0xC);
if (!IsSaneCount(count) || index_offset >= file.MaxOffset)
{
return(null);
}
var dir = new List <Entry> (count);
Func <uint, bool> ReadIndex = entry_size => {
uint current_offset = index_offset;
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry {
Name = i.ToString("D5")
};
entry.Offset = file.View.ReadUInt32(current_offset);
entry.Size = file.View.ReadUInt32(current_offset + 4);
if (0 == entry.Size || !entry.CheckPlacement(file.MaxOffset))
{
return(false);
}
dir.Add(entry);
current_offset += entry_size;
}
return(true);
};
if (!ReadIndex(8))
{
dir.Clear();
if (!ReadIndex(0x10))
{
return(null);
}
}
using (var stream = file.CreateStream())
DetectFileTypes(stream, dir);
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0xC);
if (!IsSaneCount(count))
{
return(null);
}
uint index_offset = file.View.ReadUInt32(4);
if (index_offset >= file.MaxOffset)
{
return(null);
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry {
UnpackedSize = file.View.ReadUInt32(index_offset),
Size = file.View.ReadUInt32(index_offset + 4),
Offset = file.View.ReadUInt32(index_offset + 8),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
uint name_length = file.View.ReadUInt32(index_offset + 0xC);
if (0 == name_length || name_length > 0x100)
{
return(null);
}
entry.Name = file.View.ReadString(index_offset + 0x10, name_length);
entry.Type = FormatCatalog.Instance.GetTypeFromName(entry.Name);
entry.IsPacked = entry.UnpackedSize != entry.Size;
dir.Add(entry);
index_offset += 0x10 + name_length;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
if (file.View.ReadInt16(4) != 1)
{
return(null);
}
uint unpacked_size = file.View.ReadUInt32(0x16);
uint width = file.View.ReadUInt32(0x1A);
uint height = file.View.ReadUInt32(0x1E);
int count = file.View.ReadInt32(0x2A);
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint offset = 0x32;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32(offset);
var entry = new PackedEntry
{
Name = string.Format("{0}#{1:D4}.bmp", base_name, i),
Type = "image",
Offset = offset + 4,
Size = size,
IsPacked = true,
UnpackedSize = unpacked_size + 0x36,
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
offset += 4 + size;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count) || !file.Name.HasExtension(".dat"))
{
return(null);
}
uint first_offset = file.View.ReadUInt32(0x14);
if (first_offset != 4 + count * 0x14)
{
return(null);
}
uint index_offset = 4;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString(index_offset, 0xC);
if (string.IsNullOrEmpty(name))
{
return(null);
}
var entry = new PackedEntry {
Name = name,
Size = file.View.ReadUInt32(index_offset + 0xC),
Offset = file.View.ReadUInt32(index_offset + 0x10),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x14;
}
DetectFileTypes(file, dir);
return(new ArcFile(file, this, dir));
}
internal List <Entry> ReadIndex(ArcView file, uint index_offset, int count)
{
var base_name = Path.GetFileNameWithoutExtension(file.Name);
long offset = index_offset + count * 4;
if (offset >= file.MaxOffset)
{
return(null);
}
var dir = new List <Entry> (count / 2);
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32(index_offset);
if (size != 0 && size != uint.MaxValue)
{
var entry = new PackedEntry
{
Name = string.Format("{0}#{1:D5}", base_name, i),
Offset = offset,
Size = size,
IsPacked = false,
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
offset += size;
}
index_offset += 4;
}
if (0 == dir.Count || (file.MaxOffset - offset) > 0x80000)
{
return(null);
}
DetectFileTypes(file, dir);
return(dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
uint index_offset = 0x20;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry {
Offset = file.View.ReadUInt32(index_offset),
UnpackedSize = file.View.ReadUInt32(index_offset + 4),
Size = file.View.ReadUInt32(index_offset + 8),
Name = string.Format("{0}#{1:D5}", base_name, i),
};
entry.IsPacked = entry.Size != 0;
if (!entry.IsPacked)
{
entry.Size = entry.UnpackedSize;
}
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
index_offset += 0x10;
dir.Add(entry);
}
DetectFileTypes(file, dir);
return(new ArcFile(file, this, dir));
}
public List <Entry> ReadIndex()
{
uint section_size = ReadSectionSize("Fver");
m_offset += section_size;
section_size = ReadSectionSize("Fcdr");
/*
* int Mcdr_size;
* var Mcdr = ZlibUnpack (m_offset, section_size, out Mcdr_size);
*/
m_offset += section_size;
uint abmp_size = ReadSectionSize("ABMP");
int max_count = m_file.View.Read(m_offset, m_size_buffer, 0, Math.Min(10, abmp_size));
int size_offset = 0;
ReadValue(m_size_buffer, ref size_offset, max_count);
max_count -= size_offset;
int bmp_unpacked_size = (int)ReadValue(m_size_buffer, ref size_offset, max_count);
m_offset += size_offset;
abmp_size -= (uint)size_offset;
int index_size;
var index = ZlibUnpack(m_offset, abmp_size, out index_size, bmp_unpacked_size);
m_offset += abmp_size;
section_size = ReadSectionSize("FGEI");
if (0 != section_size)
{
throw new NotSupportedException();
}
int index_offset = 0;
ReadValue(index, ref index_offset, index_size - index_offset);
ReadValue(index, ref index_offset, index_size - index_offset);
int entry_count = (int)ReadValue(index, ref index_offset, index_size - index_offset);
if (entry_count <= 0 || entry_count > 0xfffff)
{
return(null);
}
var type_buf = new char[4];
var dir = new List <Entry> (entry_count);
for (int i = 0; i < entry_count; ++i)
{
uint id = ReadValue(index, ref index_offset, index_size - index_offset);
uint offset = ReadValue(index, ref index_offset, index_size - index_offset);
uint size = ReadValue(index, ref index_offset, index_size - index_offset);
uint unpacked_size = ReadValue(index, ref index_offset, index_size - index_offset);
uint flag = ReadValue(index, ref index_offset, index_size - index_offset);
if (index_size - index_offset < 4)
{
return(null);
}
uint type_id = LittleEndian.ToUInt32(index, index_offset);
index_offset += 4;
if (0 == type_id || uint.MaxValue == offset)
{
continue;
}
Encoding.ASCII.GetChars(index, index_offset - 4, 4, type_buf, 0);
var entry = new PackedEntry
{
Name = CreateName(id, type_buf),
Offset = (long)m_offset + offset,
Size = size,
UnpackedSize = unpacked_size,
IsPacked = 0 == flag,
};
if (entry.CheckPlacement(m_file.MaxOffset))
{
dir.Add(entry);
}
}
return(dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
uint first_offset = file.View.ReadUInt32(4);
if (4 + count * 8 != first_offset)
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
bool is_msg = base_name == "msg";
uint index_offset = 4;
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 entry = new PackedEntry {
Name = string.Format("{0}#{1:D5}", base_name, i),
Offset = offset,
Size = size,
};
if (!is_msg && !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 8;
}
foreach (PackedEntry entry in dir)
{
if (is_msg)
{
uint size = file.View.ReadUInt32(entry.Offset);
entry.Offset += 4;
entry.UnpackedSize = entry.Size;
entry.Size = size;
entry.IsPacked = true;
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
continue;
}
uint pos = file.View.ReadUInt32(entry.Offset + 4);
if (pos > entry.Size)
{
continue;
}
uint unpacked_size = file.View.ReadUInt32(entry.Offset + 8);
uint flags = unpacked_size >> 30;
unpacked_size &= 0x3FFFFFFF;
entry.IsPacked = 0 == flags;
uint signature = 0;
if (entry.IsPacked)
{
entry.UnpackedSize = unpacked_size;
entry.Size = file.View.ReadUInt32(entry.Offset + pos);
entry.Offset += pos + 4;
if ((file.View.ReadByte(entry.Offset) & 0xF) == 0xF)
{
signature = file.View.ReadUInt32(entry.Offset + 1);
}
}
else
{
entry.Size = unpacked_size;
entry.Offset += pos;
signature = file.View.ReadUInt32(entry.Offset);
}
var res = AutoEntry.DetectFileType(signature);
if (res != null)
{
entry.ChangeType(res);
}
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
long offset = 4 + count * 4;
if (offset >= file.MaxOffset)
{
return(null);
}
uint index_offset = 4;
var dir = new List <Entry>();
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32(index_offset);
if (0 != size)
{
var entry = new PackedEntry
{
Name = i.ToString("D5"),
Offset = offset,
Size = size,
IsPacked = false,
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
offset += size;
}
index_offset += 4;
}
if (offset != file.MaxOffset || 0 == dir.Count)
{
return(null);
}
byte[] preview = new byte[16];
byte[] sign_buf = new byte[4];
foreach (PackedEntry entry in dir)
{
uint extra = 6;
if (extra > entry.Size)
{
continue;
}
int label = file.View.ReadUInt16(entry.Offset);
if (1 == label)
{
entry.IsPacked = true;
entry.UnpackedSize = file.View.ReadUInt32(entry.Offset + 2);
}
entry.Offset += extra;
entry.Size -= extra;
uint signature;
if (entry.IsPacked)
{
file.View.Read(entry.Offset, preview, 0, (uint)preview.Length);
using (var input = new MemoryStream(preview))
{
LzssUnpack(input, sign_buf);
signature = LittleEndian.ToUInt32(sign_buf, 0);
}
}
else
{
signature = file.View.ReadUInt32(entry.Offset);
}
if (0 != signature)
{
SetEntryType(entry, signature);
}
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
uint first_offset = file.View.ReadUInt32 (0);
if (first_offset < 8 || first_offset >= file.MaxOffset)
return null;
int count = (int)(first_offset - 8) / 4;
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
uint index_offset = 0;
uint next_offset = first_offset;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry { Offset = next_offset };
index_offset += 4;
next_offset = file.View.ReadUInt32 (index_offset);
if (next_offset < entry.Offset)
return null;
entry.Size = (uint)(next_offset - entry.Offset);
entry.UnpackedSize = entry.Size;
if (entry.Size != 0)
{
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.Name = string.Format ("{0}#{1:D4}", base_name, i);
dir.Add (entry);
}
}
if (0 == dir.Count)
return null;
foreach (PackedEntry entry in dir)
{
if (entry.Size < 4)
continue;
uint unpacked_size = file.View.ReadUInt32 (entry.Offset);
if (entry.Size > 8 && file.View.AsciiEqual (entry.Offset+4, "HDJ\0"))
{
if (file.View.AsciiEqual (entry.Offset+12, "BM"))
{
entry.Name = Path.ChangeExtension (entry.Name, "bmp");
entry.Type = "image";
}
entry.UnpackedSize = unpacked_size;
entry.IsPacked = true;
}
else if (entry.Size > 12 && file.View.AsciiEqual (entry.Offset+8, "RIFF"))
{
entry.Name = Path.ChangeExtension (entry.Name, "wav");
entry.Type = "audio";
entry.UnpackedSize = unpacked_size;
entry.IsPacked = true;
}
else if (0x4D42 == (unpacked_size & 0xFFFF))
{
entry.Name = Path.ChangeExtension (entry.Name, "bmp");
entry.Type = "image";
}
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(4, "OFST"))
{
return(null);
}
int index_size = file.View.ReadInt32(8);
int count = index_size / 4;
if (!IsSaneCount(count))
{
return(null);
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
string content_ext = "", content_type = "";
if (base_name.EndsWith("flac", StringComparison.InvariantCultureIgnoreCase))
{
content_ext = "flac";
content_type = "audio";
base_name = base_name.Substring(0, base_name.Length - 4);
}
else if (base_name.EndsWith("ogg", StringComparison.InvariantCultureIgnoreCase))
{
content_ext = "ogg";
content_type = "audio";
base_name = base_name.Substring(0, base_name.Length - 3);
}
var filenames = GetFileNames(VFS.GetDirectoryName(file.Name), base_name);
if (null == filenames)
{
filenames = new List <string> (count);
}
for (int i = filenames.Count; i < count; ++i)
{
filenames.Add(string.Format("{0}#{1:D5}", base_name, i));
}
uint index_offset = 0xC;
var dir = new List <Entry> (count);
uint next_offset = file.View.ReadUInt32(index_offset);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var entry = new PackedEntry {
Name = filenames[i]
};
entry.Offset = next_offset;
next_offset = i + 1 < count?file.View.ReadUInt32(index_offset) : (uint)file.MaxOffset;
entry.Size = next_offset - (uint)entry.Offset;
if (entry.Size > 0 && !entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
if (!string.IsNullOrEmpty(content_type))
{
entry.Type = content_type;
entry.Name = Path.ChangeExtension(entry.Name, content_ext);
}
dir.Add(entry);
}
foreach (PackedEntry entry in dir.Where(e => e.Size > 4))
{
entry.IsPacked = file.View.AsciiEqual(entry.Offset, "DFLT");
if (entry.IsPacked)
{
entry.Size = file.View.ReadUInt32(entry.Offset + 4);
entry.UnpackedSize = file.View.ReadUInt32(entry.Offset + 8);
entry.Offset += 12;
}
else if (file.View.AsciiEqual(entry.Offset, "DATA"))
{
entry.Size = file.View.ReadUInt32(entry.Offset + 4);
entry.UnpackedSize = entry.Size;
entry.Offset += 8;
if (string.IsNullOrEmpty(entry.Type))
{
uint signature = file.View.ReadUInt32(entry.Offset);
if (0x43614C66 == signature) // 'fLaC'
{
entry.Type = "audio";
entry.Name = Path.ChangeExtension(entry.Name, "flac");
}
else
{
var res = AutoEntry.DetectFileType(signature);
if (null != res)
{
entry.ChangeType(res);
}
}
}
}
}
return(new ArcFile(file, this, dir));
}
bool ReadV1(Stream input)
{
// NOTE CryptoStream will close an input stream
using (var xored = new CryptoStream (input, new NotTransform(), CryptoStreamMode.Read))
using (var lzss = new LzssStream (xored))
lzss.Read (m_index, 0, m_index.Length);
int index_offset = Array.IndexOf (m_index, (byte)0);
if (-1 == index_offset || 0 == index_offset)
return false;
Password = m_index.Take (index_offset++).ToArray();
long base_offset = 0x20 + m_packed_size;
for (int i = 0; i < m_count; ++i)
{
var entry = new PackedEntry();
entry.Offset = LittleEndian.ToUInt32 (m_index, index_offset) + base_offset;
entry.Size = LittleEndian.ToUInt32 (m_index, index_offset + 4);
entry.UnpackedSize = LittleEndian.ToUInt32 (m_index, index_offset + 8);
entry.IsPacked = entry.UnpackedSize != 0;
if (!entry.CheckPlacement (m_file.MaxOffset))
return false;
int name_len = LittleEndian.ToInt32 (m_index, index_offset + 0xC);
entry.Name = Encodings.cp932.GetString (m_index, index_offset+0x18, name_len);
entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
m_dir.Value.Add (entry);
index_offset += 0x18 + name_len;
}
return true;
}
public override ArcFile TryOpen(ArcView file)
{
int version = file.View.ReadByte(3) - 0x30;
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var name_buf = new byte[32];
var dir = new List <Entry> (count);
long index_offset = 8;
uint next_offset = file.View.ReadUInt32(index_offset);
for (int i = 0; i < count; ++i)
{
uint offset = next_offset;
uint size = file.View.ReadUInt32(index_offset + 4);
int name_length = file.View.ReadByte(index_offset + 8);
if (name_length > name_buf.Length)
{
name_buf = new byte[name_length];
}
file.View.Read(index_offset + 9, name_buf, 0, (uint)name_length);
if (i + 1 == count)
{
next_offset = (uint)file.MaxOffset;
}
else
{
next_offset = file.View.ReadUInt32(index_offset + 9 + name_length);
}
if (0 != offset && offset != file.MaxOffset)
{
if (2 == version)
{
for (int j = 0; j < name_length; ++j)
{
name_buf[j] ^= 0xff;
}
}
uint packed_size;
if (0 == next_offset)
{
packed_size = size;
}
else if (next_offset >= offset)
{
packed_size = next_offset - offset;
}
else
{
return(null);
}
string name = Encodings.cp932.GetString(name_buf, 0, name_length);
var entry = new PackedEntry
{
Name = name,
Type = FormatCatalog.Instance.GetTypeFromName(name),
Offset = offset,
Size = packed_size,
UnpackedSize = size,
IsPacked = packed_size != size,
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
index_offset += 9 + name_length;
}
if (2 == version)
{
return(new AstArchive(file, this, dir));
}
else
{
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
uint index_size = (uint)count * 4 + 8;
if (index_size > file.View.Reserve(0, index_size))
{
return(null);
}
uint index_offset = 4;
uint offset = file.View.ReadUInt32(index_offset);
if (offset != index_size)
{
return(null);
}
uint last_offset = file.View.ReadUInt32(index_size - 4);
if (last_offset != file.MaxOffset)
{
return(null);
}
string default_type = "";
if (file.Name.HasExtension("fx"))
{
default_type = "audio";
}
else if (file.Name.HasExtension("gx"))
{
default_type = "image";
}
var base_name = Path.GetFileNameWithoutExtension(file.Name);
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var entry = new PackedEntry {
Name = string.Format("{0}#{1:D4}", base_name, i),
Type = default_type,
Offset = offset,
};
offset = file.View.ReadUInt32(index_offset);
entry.Size = (uint)(offset - entry.Offset);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
if (string.IsNullOrEmpty(default_type))
{
foreach (var entry in dir)
{
uint signature = file.View.ReadUInt32(entry.Offset);
entry.ChangeType(AutoEntry.DetectFileType(signature));
}
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count))
return null;
long offset = 4+count*4;
if (offset >= file.MaxOffset)
return null;
uint index_offset = 4;
var dir = new List<Entry>();
for (int i = 0; i < count; ++i)
{
uint size = file.View.ReadUInt32 (index_offset);
if (0 != size)
{
var entry = new PackedEntry
{
Name = i.ToString ("D5"),
Offset = offset,
Size = size,
IsPacked = false,
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
offset += size;
}
index_offset += 4;
}
if (offset != file.MaxOffset || 0 == dir.Count)
return null;
byte[] preview = new byte[16];
byte[] sign_buf = new byte[4];
foreach (PackedEntry entry in dir)
{
uint extra = 6;
if (extra > entry.Size)
continue;
int label = file.View.ReadUInt16 (entry.Offset);
if (1 == label)
{
entry.IsPacked = true;
entry.UnpackedSize = file.View.ReadUInt32 (entry.Offset+2);
}
entry.Offset += extra;
entry.Size -= extra;
uint signature;
if (entry.IsPacked)
{
file.View.Read (entry.Offset, preview, 0, (uint)preview.Length);
using (var input = new MemoryStream (preview))
{
LzssUnpack (input, sign_buf);
signature = LittleEndian.ToUInt32 (sign_buf, 0);
}
}
else
{
signature = file.View.ReadUInt32 (entry.Offset);
}
if (0 != signature)
SetEntryType (entry, signature);
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (0 != file.View.ReadInt32(4))
{
return(null);
}
long index_offset = file.View.ReadInt64(8);
if (index_offset >= file.MaxOffset)
{
return(null);
}
if (!file.View.AsciiEqual(index_offset, "GCE3"))
{
return(null);
}
int count = file.View.ReadInt32(index_offset + 0x18);
if (!IsSaneCount(count))
{
return(null);
}
bool index_packed = 0x11 == file.View.ReadInt32(index_offset + 4);
uint index_size = file.View.ReadUInt32(index_offset + 8);
byte[] index = null;
if (index_packed)
{
index_size -= 0x28;
int unpacked_size = file.View.ReadInt32(index_offset + 0x20);
using (var input = file.CreateStream(index_offset + 0x28, index_size))
using (var reader = new GceReader(input, unpacked_size))
index = reader.Data;
}
else
{
index_size -= 0x20;
index = new byte[index_size];
if (index.Length != file.View.Read(index_offset + 0x20, index, 0, index_size))
{
return(null);
}
}
int current_index = 0;
int current_filename = 0x20 * count;
long current_offset = 0x10;
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
int name_length = LittleEndian.ToUInt16(index, current_filename);
if (current_filename + 2 + name_length > index.Length)
{
return(null);
}
uint size = LittleEndian.ToUInt32(index, current_index + 0x18);
if (size != 0)
{
string name = Encodings.cp932.GetString(index, current_filename + 2, name_length);
var entry = new PackedEntry
{
Name = name,
Type = FormatCatalog.Instance.GetTypeFromName(name),
Offset = current_offset,
Size = size,
UnpackedSize = LittleEndian.ToUInt32(index, current_index + 0x10),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.IsPacked = entry.Size != entry.UnpackedSize;
current_offset += entry.Size;
dir.Add(entry);
}
current_index += 0x20;
current_filename += 2 + name_length;
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
int index_offset = 8;
long data_offset = count * 4 + 8;
uint next_offset = file.View.ReadUInt32 (index_offset);
for (int i = 0; i < count; ++i)
{
index_offset += 4;
var entry = new PackedEntry { Offset = next_offset };
next_offset = i + 1 < count ? file.View.ReadUInt32 (index_offset) : (uint)file.MaxOffset;
entry.Size = next_offset - (uint)entry.Offset;
if (entry.Offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
return null;
entry.Name = string.Format ("{0}#{1:D4}", base_name, i);
dir.Add (entry);
}
DetectFileTypes (file, dir);
return new ArcFile (file, this, dir);
}
bool ReadV0(Stream input)
{
long current_offset = 0x20 + m_packed_size;
uint offset_table_size = (uint)m_count * 0x10;
if (offset_table_size > m_file.View.Reserve (current_offset, offset_table_size))
return false;
using (var lzss = new LzssStream (input, LzssMode.Decompress, true))
lzss.Read (m_index, 0, m_index.Length);
for (int i = 0; i < m_index.Length; ++i)
{
m_index[i] = (byte)(~m_index[i] - 5);
}
int index_offset = Array.IndexOf (m_index, (byte)0);
if (-1 == index_offset || 0 == index_offset)
return false;
index_offset++;
// Password = m_index.Take (index_offset++).ToArray();
for (int i = 0; i < m_count && index_offset < m_index.Length; ++i)
{
int name_end = Array.IndexOf (m_index, (byte)0, index_offset);
if (-1 == name_end)
name_end = m_index.Length;
if (index_offset == name_end)
return false;
var entry = new PackedEntry();
entry.Offset = m_file.View.ReadUInt32 (current_offset);
entry.Size = m_file.View.ReadUInt32 (current_offset+4);
entry.UnpackedSize = m_file.View.ReadUInt32 (current_offset+8);
entry.IsPacked = entry.UnpackedSize != 0;
if (!entry.CheckPlacement (m_file.MaxOffset))
return false;
entry.Name = Encodings.cp932.GetString (m_index, index_offset, name_end-index_offset);
entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
m_dir.Value.Add (entry);
index_offset = name_end+1;
current_offset += 0x10;
}
return true;
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual (0, "KOTORI") || 0x1A1A00 != file.View.ReadInt32 (6))
return null;
int count = file.View.ReadUInt16 (0x14);
if (0x0100A618 != file.View.ReadInt32 (0x10) || !IsSaneCount (count))
return null;
string base_name = Path.GetFileNameWithoutExtension (file.Name);
uint current_offset = 0x18;
long next_offset = file.View.ReadUInt32 (current_offset);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new PackedEntry {
Name = string.Format ("{0}#{1:D4}.ogg", base_name, i),
Type = "audio",
Offset = next_offset,
};
if (i+1 != count)
{
current_offset += 6;
next_offset = file.View.ReadUInt32 (current_offset);
}
else
next_offset = file.MaxOffset;
entry.Size = (uint)(next_offset - entry.Offset);
if (entry.Size >= 0x32)
{
entry.IsPacked = true;
entry.UnpackedSize = entry.Size - 0x32;
}
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}