} // 'METAL'
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var header = file.ReadHeader(0x2C);
if (!header.AsciiEqual("METAL") || header.ToInt32(0x10) != 0x28 || header[0x15] == 0)
{
return(null);
}
int name_length = header.ToInt32(0x28);
if (name_length <= 0)
{
return(null);
}
var name = file.ReadCString(name_length);
if (file.ReadInt32() != 0xC)
{
return(null);
}
int frame_count = file.ReadInt32();
if (!ArchiveFormat.IsSaneCount(frame_count))
{
return(null);
}
var data_pos = file.Position + frame_count * 0x18;
return(new MtlMetaData {
Width = header.ToUInt32(0x20),
Height = header.ToUInt32(0x24),
BPP = 32,
DataOffset = data_pos,
});
}
public List <Entry> ReadIndexV1()
{
if (!ArchiveFormat.IsSaneCount((int)m_count))
{
return(null);
}
uint index_size = m_count * 0x88;
var index = m_file.View.ReadBytes(0x10, index_size);
if (index.Length != index_size)
{
return(null);
}
Decrypt(index);
int index_offset = 0;
var dir = new List <Entry> ((int)m_count);
for (uint i = 0; i < m_count; ++i)
{
var name = Binary.GetCString(index, index_offset, 0x80);
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Offset = LittleEndian.ToUInt32(index, index_offset + 0x80);
entry.Size = LittleEndian.ToUInt32(index, index_offset + 0x84);
if (!entry.CheckPlacement(m_file.MaxOffset))
{
return(null);
}
index_offset += 0x88;
dir.Add(entry);
}
return(dir);
}
public List <Entry> Read()
{
byte[] packed;
using (var input = m_file.CreateStream(12, m_data_offset - 12))
using (var bits = new MsbBitStream(input))
{
bits.GetNextBit();
m_dict = ReadBytes(bits);
if (null == m_dict)
{
return(null);
}
int packed_size = ReadInt32(bits);
int unpacked_size = ReadInt32(bits);
packed = new byte[packed_size];
for (int i = 0; i < packed_size; ++i)
{
packed[i] = (byte)bits.GetBits(8);
}
}
using (var bstr = new BinMemoryStream(packed))
using (var zstr = new ZLibStream(bstr, CompressionMode.Decompress))
using (var index = new MsbBitStream(zstr))
{
index.GetNextBit();
int count = ReadInt32(index);
if (!ArchiveFormat.IsSaneCount(count))
{
return(null);
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
if (index.GetBits(2) == -1)
{
break;
}
var name_buf = ReadEncryptedChars(index);
if (null == name_buf)
{
return(null);
}
var name = DecryptString(name_buf, name_buf.Length);
var entry = FormatCatalog.Instance.Create <Entry> (name);
ReadInt32(index);
ReadInt32(index);
entry.Offset = (uint)ReadInt32(index) + m_data_offset;
entry.Size = (uint)ReadInt32(index);
if (!entry.CheckPlacement(m_file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(dir);
}
}
public List <Entry> ReadIndex(uint entry_size)
{
int count = (int)(m_index.MaxOffset / entry_size);
if (!ArchiveFormat.IsSaneCount(count))
{
return(null);
}
if (null == m_dir)
{
m_dir = new List <Entry> (count);
}
else
{
m_dir.Clear();
}
uint idx_offset = 0;
for (int i = 0; i < count; ++i)
{
if (idx_offset + entry_size > m_index.MaxOffset)
{
return(null);
}
int name_offset = m_index.View.ReadInt32(idx_offset);
if (name_offset < 0 || name_offset >= m_names.Length)
{
return(null);
}
var name = Binary.GetCString(m_names, name_offset, m_names.Length - name_offset);
var entry = FormatCatalog.Instance.Create <PackedEntry> (name);
entry.Offset = m_index.View.ReadUInt32(idx_offset + 4);
entry.Size = m_index.View.ReadUInt32(idx_offset + 8);
if (!entry.CheckPlacement(m_arc.MaxOffset))
{
return(null);
}
entry.IsPacked = true;
if (entry_size >= 0x14)
{
entry.UnpackedSize = m_index.View.ReadUInt32(idx_offset + 0x10);
}
if (name.EndsWith(".bmp.txt", StringComparison.OrdinalIgnoreCase))
{
entry.Type = "image";
}
m_dir.Add(entry);
idx_offset += entry_size;
}
return(m_dir);
}
public List <Entry> ReadIndexV2()
{
if (!ArchiveFormat.IsSaneCount((int)m_count))
{
return(null);
}
uint names_size = m_file.View.ReadUInt32(0x10) ^ NextKey();
uint index_size = m_count * 12;
var index = m_file.View.ReadBytes(0x14, index_size);
if (index.Length != index_size)
{
return(null);
}
uint filenames_base = 0x14 + index_size;
var names = m_file.View.ReadBytes(filenames_base, names_size);
if (names.Length != names_size)
{
return(null);
}
Decrypt(index);
int index_offset = 0;
var dir = new List <Entry> ((int)m_count);
for (uint i = 0; i < m_count; ++i)
{
int filename_offset = LittleEndian.ToInt32(index, index_offset);
if (filename_offset < 0 || filename_offset >= names.Length)
{
return(null);
}
var name = Binary.GetCString(names, filename_offset, names.Length - filename_offset);
if (0 == name.Length)
{
return(null);
}
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Offset = LittleEndian.ToUInt32(index, index_offset + 4);
entry.Size = LittleEndian.ToUInt32(index, index_offset + 8);
if (!entry.CheckPlacement(m_file.MaxOffset))
{
return(null);
}
index_offset += 12;
dir.Add(entry);
}
return(dir);
}
bool ReadDir(string root, long base_offset)
{
m_input.BaseStream.Position = base_offset;
if (0x5542494C != m_input.ReadUInt32()) // 'LIBU'
{
return(false);
}
m_input.ReadInt32();
int count = m_input.ReadInt32();
if (!ArchiveFormat.IsSaneCount(count))
{
return(false);
}
if (m_dir.Capacity < m_dir.Count + count)
{
m_dir.Capacity = m_dir.Count + count;
}
long index_pos = base_offset + 0x10;
for (int i = 0; i < count; ++i)
{
m_input.BaseStream.Position = index_pos;
var name = ReadName();
uint entry_size = m_input.ReadUInt32();
long entry_offset = base_offset + m_input.ReadInt64();
index_pos = m_input.BaseStream.Position;
bool has_extension = -1 != name.IndexOf('.');
name = Path.Combine(root, name);
if (!has_extension && ReadDir(name, entry_offset))
{
continue;
}
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Offset = entry_offset;
entry.Size = entry_size;
if (!entry.CheckPlacement(m_max_offset))
{
return(false);
}
m_dir.Add(entry);
}
return(true);
}
public PackIndexReader(PackOpener fmt, ArcView file, long index_offset)
{
m_fmt = fmt;
m_file = file;
m_pack_version = new Version(m_file.View.ReadByte(index_offset + 0xB) - '0',
m_file.View.ReadByte(index_offset + 0xD) - '0');
m_count = m_file.View.ReadInt32(index_offset + 0x10);
if (!ArchiveFormat.IsSaneCount(m_count))
{
throw new InvalidFormatException();
}
m_index_offset = m_file.View.ReadInt64(index_offset + 0x14);
if (index_offset < 0 || index_offset >= m_file.MaxOffset)
{
throw new InvalidFormatException();
}
m_index = m_file.CreateStream(m_index_offset);
m_dir = new List <Entry> (m_count);
}
public List <Entry> Read(byte[] index)
{
m_index = index;
int count = LittleEndian.ToInt32(m_index, 0);
if (!ArchiveFormat.IsSaneCount(count))
{
return(null);
}
int index_offset = 4;
int prefix_length = m_index[index_offset++];
if (0 != prefix_length)
{
m_info.Prefix = new byte[prefix_length];
Buffer.BlockCopy(m_index, index_offset, m_info.Prefix, 0, prefix_length);
index_offset += prefix_length;
}
m_index_width = 0 != m_index[index_offset++] ? 4 : 2;
int letter_table_length = LittleEndian.ToInt32(m_index, index_offset);
index_offset += 4;
m_entries_offset = index_offset + letter_table_length;
if (m_entries_offset >= m_index.Length)
{
return(null);
}
if ((m_index.Length - m_entries_offset) / EntrySize < count)
{
EntrySize = (m_index.Length - m_entries_offset) / count;
}
if (EntrySize < 8 || m_info.PackedEntries && EntrySize < 12)
{
return(null);
}
m_dir = new List <Entry> (count);
m_name = new byte[260];
TraverseIndex(index_offset, 0);
return(m_dir.Count == count ? m_dir : null);
}
public List <Entry> Read(byte[] index)
{
using (m_index = new BinMemoryStream(index))
{
int count = m_index.ReadInt32();
if (!ArchiveFormat.IsSaneCount(count))
{
return(null);
}
m_dir = new List <Entry> (count);
if (m_info.IndexEncrypted)
{
ParseEncryptedIndex(count);
}
else
{
ParseRegularIndex(count);
}
return(m_dir.Count > 0 ? m_dir : null);
}
}
public bool Read()
{
int entry_size = m_index.ReadInt32();
if (entry_size < 0x11)
{
return(false);
}
int count = (int)m_index.Length / (entry_size + 4);
if (!ArchiveFormat.IsSaneCount(count))
{
return(false);
}
long next_pos = 0;
m_dir = new List <Entry> (count);
while (next_pos < m_index.Length)
{
m_index.Position = next_pos;
entry_size = m_index.ReadInt32();
if (entry_size <= 0)
{
return(false);
}
next_pos += 4 + entry_size;
var entry = ReadEntryInfo();
if (ReadEntryType(entry, entry_size))
{
if (entry.CheckPlacement(MaxOffset))
{
m_dir.Add(entry);
}
}
}
return(true);
}
public static IndexReader Create(ArcView file)
{
int count, record_size;
bool is_encrypted = false;
if (!file.View.AsciiEqual(0, "PACK"))
{
var header = file.View.ReadBytes(0, 12);
byte k1 = file.View.ReadByte(file.MaxOffset - 9);
byte k2 = file.View.ReadByte(file.MaxOffset - 6);
DecryptHeader(header, k1, k2);
if (!header.AsciiEqual("PACK"))
{
return(null);
}
count = header.ToInt32(4);
record_size = header.ToInt32(8);
is_encrypted = true;
}
else
{
count = file.View.ReadInt32(4);
record_size = file.View.ReadInt32(8);
}
if (!ArchiveFormat.IsSaneCount(count) || record_size <= 0x10 || record_size > 0x100)
{
return(null);
}
var reader = new IndexReader(file, count, record_size, is_encrypted);
if (reader.m_data_offset >= file.MaxOffset)
{
return(null);
}
return(reader);
}
public List <Entry> ReadIndex()
{
if (!ArchiveFormat.IsSaneCount(Count))
{
return(null);
}
var sections = ReadSections(m_section_count);
var list = new List <Entry> (Count);
foreach (var section in sections)
{
m_input.Position = section.IndexOffset;
var dir_names = m_input.ReadBytes(section.DirNamesSize);
if (section.DirNamesSize != dir_names.Length)
{
return(null);
}
byte section_key = dir_names[section.DirNameLength - 1];
DecryptNames(dir_names, section_key);
var dirs = new TcdDirEntry[section.DirCount];
for (int i = 0; i < dirs.Length; ++i)
{
dirs[i].FileCount = m_input.ReadInt32();
dirs[i].NamesOffset = m_input.ReadInt32();
dirs[i].FirstIndex = m_input.ReadInt32();
m_input.ReadInt32();
}
var file_names = m_input.ReadBytes(section.FileNamesSize);
if (file_names.Length != section.FileNamesSize)
{
return(null);
}
DecryptNames(file_names, section_key);
var offsets = new uint[section.FileCount + 1];
for (int i = 0; i < offsets.Length; ++i)
{
offsets[i] = m_input.ReadUInt32();
}
int dir_name_offset = 0;
foreach (var dir in dirs)
{
string dir_name = GetName(dir_names, section.DirNameLength, ref dir_name_offset);
int index = dir.FirstIndex;
int name_offset = dir.NamesOffset;
for (int i = 0; i < dir.FileCount; ++i)
{
string name = GetName(file_names, section.FileNameLength, ref name_offset);
name = Path.Combine(dir_name, name);
name = Path.ChangeExtension(name, section.Extension);
var entry = FormatCatalog.Instance.Create <TcdEntry> (name);
if (name.HasExtension(".SPD"))
{
entry.Type = "image";
}
entry.Offset = offsets[index];
entry.Size = offsets[index + 1] - offsets[index];
entry.Index = index;
++index;
list.Add(entry);
}
}
}
return(list);
}
public override ImageMetaData ReadMetaData(IBinaryStream stream)
{
var header = stream.ReadHeader(0x20);
int type = header.ToUInt16(0x10);
if (0x0C == type)
{
int count = header.ToInt32(0);
if (!ArchiveFormat.IsSaneCount(count))
{
return(null);
}
int block_size = header.ToInt32(4);
if (block_size <= 0)
{
return(null);
}
int bpp = header.ToUInt16(0x12);
uint width = header.ToUInt16(0x14);
uint height = header.ToUInt16(0x16);
if (bpp != 32 || 0 == width || 0 == height)
{
return(null);
}
return(new PxMetaData
{
Width = width,
Height = height,
BPP = bpp,
Type = type,
FrameCount = count,
BlockSize = block_size,
BlocksWidth = header.ToUInt16(0x1C),
BlocksHeight = header.ToUInt16(0x1E),
});
}
else if (0x90 == type)
{
if (!header.AsciiEqual(0x14, "Leaf"))
{
return(null);
}
int count = header.ToInt32(4);
if (!ArchiveFormat.IsSaneCount(count))
{
return(null);
}
var header_ex = stream.ReadBytes(0x20);
if (0x20 != header_ex.Length)
{
return(null);
}
if (0x0A != LittleEndian.ToUInt16(header_ex, 0x10))
{
return(null);
}
return(new PxMetaData
{
Width = LittleEndian.ToUInt32(header_ex, 0),
Height = LittleEndian.ToUInt32(header_ex, 4),
BPP = LittleEndian.ToUInt16(header_ex, 0x12),
Type = type,
FrameCount = count,
});
}
else if (0x40 == type || 0x44 == type)
{
int count = header.ToInt32(0);
if (!ArchiveFormat.IsSaneCount(count))
{
return(null);
}
return(new PxMetaData
{
Width = header.ToUInt32(0x14),
Height = header.ToUInt32(0x18),
Type = 0x40,
BPP = 32,
FrameCount = count,
});
}
else if (1 == type || 4 == type || 7 == type)
{
int bpp = header.ToUInt16(0x12);
if (bpp != 32 && bpp != 8)
{
return(null);
}
return(new PxMetaData
{
Width = header.ToUInt32(0x14),
Height = header.ToUInt32(0x18),
Type = type,
BPP = bpp,
FrameCount = 1,
});
}
return(null);
}
