public bool ReadDir(string root, uint dir_offset, uint base_offset)
{
m_index.Position = dir_offset;
int dir_count = m_index.ReadInt32();
dir_offset += 4;
for (int i = 0; i < dir_count; ++i)
{
var name = m_index.ReadCString(0x20);
uint offset = m_index.ReadUInt32();
uint data_offset = m_index.ReadUInt32();
if (offset <= dir_offset || offset > m_index.Length || data_offset > m_max_offset)
{
return(false);
}
if (!ReadDir(Path.Combine(root, name), offset, data_offset))
{
return(false);
}
dir_offset += 0x28;
m_index.Position = dir_offset;
}
int count = m_index.ReadInt32();
if (0 == count)
{
return(true);
}
if (!IsSaneCount(count))
{
return(false);
}
for (int i = 0; i < count; ++i)
{
var name = m_index.ReadCString(0x20);
name = Path.Combine(root, name);
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Offset = m_index.ReadUInt32() + base_offset;
entry.Size = m_index.ReadUInt32();
if (!entry.CheckPlacement(m_max_offset))
{
return(false);
}
if (name.HasExtension(".hse"))
{
entry.Type = "image";
}
m_dir.Add(entry);
}
return(true);
}
internal static object ReadField(this IBinaryStream input, FieldInfo field)
{
var field_type = field.FieldType;
var type_code = Type.GetTypeCode(field_type);
switch (type_code)
{
case TypeCode.SByte: return(input.ReadInt8());
case TypeCode.Byte: return(input.ReadUInt8());
case TypeCode.Int16: return(input.ReadInt16());
case TypeCode.UInt16: return(input.ReadUInt16());
case TypeCode.Int32: return(input.ReadInt32());
case TypeCode.UInt32: return(input.ReadUInt32());
case TypeCode.Int64: return(input.ReadInt64());
case TypeCode.UInt64: return(input.ReadUInt64());
case TypeCode.Char: return((char)input.ReadInt16());
case TypeCode.String:
var cstring_attr = field.GetCustomAttribute <CStringAttribute>();
if (cstring_attr != null)
{
var encoding = cstring_attr.Encoding ?? Encodings.cp932;
if (cstring_attr.IsLengthDefined)
{
return(input.ReadCString(cstring_attr.Length, encoding));
}
else
{
return(input.ReadCString(encoding));
}
}
throw new FormatException("Serialization method for string field is not defined.");
case TypeCode.Object:
object val = Activator.CreateInstance(field_type);
ReadStruct(input, field_type, ref val); // FIXME check object graph for cycles
return(val);
default:
throw new NotSupportedException("Not supported serialization type.");
}
}
List <Entry> ReadIndex(IBinaryStream index, long max_offset, int align)
{
var index_length = index.Length;
int index_pos = 0;
var dir = new List <Entry>();
while (index_pos < index_length)
{
index.Position = index_pos;
uint offset = index.ReadUInt32();
if (0 == offset)
{
break;
}
uint size = index.ReadUInt32();
byte name_length = index.ReadUInt8();
var name = index.ReadCString(name_length);
index_pos += ((align + 1 + name_length) & -align) + 8;
// index_pos += ((9 + name_length) & ~7) + 8;
// index_pos += ((5 + name_length) & ~3) + 8;
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Offset = offset;
entry.Size = size;
if (!entry.CheckPlacement(max_offset))
{
return(null);
}
dir.Add(entry);
}
return(dir);
}
protected virtual string ReadName()
{
int name_length = m_input.ReadUInt8();
Skip(2);
return(m_input.ReadCString(name_length));
}
byte[] ReadBaseImage(IBinaryStream file, RctMetaData meta)
{
try
{
file.Position = meta.DataOffset;
var name = file.ReadCString(meta.BaseNameLength);
string dir_name = VFS.GetDirectoryName(meta.FileName);
name = VFS.CombinePath(dir_name, name);
if (VFS.FileExists(name))
{
using (var base_file = VFS.OpenBinaryStream(name))
{
var base_info = ReadMetaData(base_file) as RctMetaData;
if (null != base_info &&
meta.Width == base_info.Width && meta.Height == base_info.Height)
{
base_info.BaseRecursionDepth = meta.BaseRecursionDepth + 1;
base_info.FileName = name;
return(ReadPixelsData(base_file, base_info));
}
}
}
}
catch { /* ignore baseline image read errors */ }
return(null);
}
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var info = new AkbMetaData();
bool is_incremental = '+' == (file.ReadUInt32() >> 24);
info.Width = file.ReadUInt16();
info.Height = file.ReadUInt16();
info.Flags = file.ReadUInt32();
info.BPP = 0 == (info.Flags & 0x40000000) ? 32 : 24;
info.Background = file.ReadBytes(4);
info.OffsetX = file.ReadInt32();
info.OffsetY = file.ReadInt32();
info.InnerWidth = file.ReadInt32() - info.OffsetX;
info.InnerHeight = file.ReadInt32() - info.OffsetY;
if (info.InnerWidth > info.Width || info.InnerHeight > info.Height)
{
return(null);
}
if (is_incremental)
{
info.BaseFileName = file.ReadCString(0x20);
}
info.DataOffset = (uint)file.Position;
return(info);
}
public List <Entry> Read(IBinaryStream input, int count)
{
m_dir.Clear();
if (m_dir.Capacity < count)
{
m_dir.Capacity = count;
}
try
{
for (int i = 0; i < count; ++i)
{
uint offset = input.ReadUInt32();
uint size = input.ReadUInt32();
var name = input.ReadCString(0x18);
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Offset = offset;
entry.Size = size;
if (!entry.CheckPlacement(m_arc_length))
{
return(null);
}
m_dir.Add(entry);
}
return(m_dir);
}
catch
{
return(null);
}
}
} // '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 void Parse(IBinaryStream index)
{
index.Position = 16;
int segment_count = Binary.BigEndian(index.ReadInt32());
m_segments = new List <BundleSegment> (segment_count);
long packed_offset = m_data_offset;
long unpacked_offset = 0;
for (int i = 0; i < segment_count; ++i)
{
var segment = new BundleSegment();
segment.Offset = packed_offset;
segment.UnpackedOffset = unpacked_offset;
segment.UnpackedSize = Binary.BigEndian(index.ReadUInt32());
segment.PackedSize = Binary.BigEndian(index.ReadUInt32());
segment.Compression = Binary.BigEndian(index.ReadUInt16());
m_segments.Add(segment);
packed_offset += segment.PackedSize;
unpacked_offset += segment.UnpackedSize;
}
int count = Binary.BigEndian(index.ReadInt32());
m_bundles = new List <BundleEntry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new BundleEntry();
entry.Offset = Binary.BigEndian(index.ReadInt64());
entry.Size = (uint)Binary.BigEndian(index.ReadInt64());
entry.Flags = Binary.BigEndian(index.ReadUInt32());
entry.Name = index.ReadCString(Encoding.UTF8);
m_bundles.Add(entry);
}
}
internal Dictionary <string, List <Entry> > ReadSysIni(IBinaryStream index)
{
int arc_count = index.ReadInt32();
if (!IsSaneCount(arc_count))
{
return(null);
}
var file_table = new Dictionary <string, List <Entry> > (arc_count, StringComparer.OrdinalIgnoreCase);
var arc_list = new List <Entry> [arc_count];
for (int i = 0; i < arc_count; ++i)
{
var name = index.ReadCString(0x100);
var file_list = new List <Entry>();
file_table.Add(name, file_list);
arc_list[i] = file_list;
}
int file_count = index.ReadInt32();
if (!IsSaneCount(file_count))
{
return(null);
}
for (int i = 0; i < file_count; ++i)
{
var name = index.ReadCString(0x40);
int arc_id = index.ReadInt32();
if (arc_id < 0 || arc_id >= arc_list.Length)
{
return(null);
}
index.ReadInt32(); // file number
uint offset = index.ReadUInt32();
uint size = index.ReadUInt32();
if ("@" == name)
{
continue;
}
var entry = Create <Entry> (name);
entry.Offset = offset;
entry.Size = size;
arc_list[arc_id].Add(entry);
}
return(file_table);
}
} // 'Divided Picture'
public override ImageMetaData ReadMetaData(IBinaryStream file)
{
var header = file.ReadHeader(0x30);
if (!header.AsciiEqual("Divided Picture") || header.ToInt32(0x10) != 1)
{
return(null);
}
int version = header.ToInt32(0x14);
if (version != 1 && version != 2)
{
return(null);
}
int info_pos = header.ToInt32(0x18);
if (header.ToInt32(0x1C) < 4)
{
return(null);
}
int name_table_pos = header.ToInt32(0x20);
int name_table_size = header.ToInt32(0x24);
int layout_pos = header.ToInt32(0x28);
file.Position = info_pos;
ushort width = file.ReadUInt16();
ushort height = file.ReadUInt16();
file.Position = name_table_pos;
int name_count = file.ReadUInt16();
if (name_count * 32 + 2 != name_table_size)
{
return(null);
}
var dir_name = VFS.GetDirectoryName(file.Name);
var files = new List <string> (name_count);
for (int i = 0; i < name_count; ++i)
{
var name = file.ReadCString(0x20);
if (name.StartsWith(@".\"))
{
name = name.Substring(2);
}
name = VFS.CombinePath(dir_name, name);
files.Add(name);
}
return(new DpoMetaData {
Width = width,
Height = height,
BPP = 32,
Version = version,
LayoutOffset = layout_pos,
Files = files,
});
}
void ParseRegularIndex(int count)
{
for (int i = 0; i < count; ++i)
{
int name_length = m_index.ReadByte();
var name = m_index.ReadCString(name_length);
var entry = FormatCatalog.Instance.Create <EpkEntry> (name);
ReadEntry(entry);
m_dir.Add(entry);
}
}
public List <Entry> Deserialize()
{
m_index.Position = 8;
int count = Binary.BigEndian(m_index.ReadInt32());
m_name_list = new string[count];
for (int i = 0; i < count; ++i)
{
int length = m_index.ReadUInt8();
m_name_list[i] = m_index.ReadCString(length, Encoding.UTF8);
}
count = Binary.BigEndian(m_index.ReadInt32());
m_dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
m_index.ReadUInt16();
ushort flags = Binary.BigEndian(m_index.ReadUInt16());
uint offset = Binary.BigEndian(m_index.ReadUInt32());
uint size = Binary.BigEndian(m_index.ReadUInt32());
var entry = new SxEntry {
Flags = flags,
Offset = (long)offset << 4,
Size = size,
IsPacked = 0 != (flags & 0x03),
};
if (!entry.CheckPlacement(m_max_offset))
{
return(null);
}
m_dir.Add(entry);
}
count = Binary.BigEndian(m_index.ReadUInt16());
for (int i = 0; i < count; ++i)
{
m_index.ReadUInt32();
m_index.ReadUInt32();
m_index.ReadUInt32();
Binary.BigEndian(m_index.ReadUInt32()); // archive body length
m_index.ReadUInt64();
m_index.Seek(16, SeekOrigin.Current); // MD5 sum
}
count = Binary.BigEndian(m_index.ReadUInt16());
if (count > 0)
{
m_index.Seek(count * 24, SeekOrigin.Current);
}
DeserializeTree();
return(m_dir);
}
string ReadString()
{
var len_str = m_ini.ReadCString(4);
int length = Convert.ToInt32(len_str);
var buf = m_ini.ReadBytes(length);
if (buf.Length != length)
{
throw new InvalidFormatException();
}
for (int i = 0; i < length; ++i)
{
buf[i] ^= 0xD1;
}
return(Encodings.cp932.GetString(buf));
}
string DeserializeString(IBinaryStream input)
{
int length = DeserializeLength(input);
if (0 == length)
{
return("");
}
if (length != -1)
{
return(input.ReadCString(length));
}
length = DeserializeLength(input) * 2;
var chars = input.ReadBytes(length);
return(Encoding.Unicode.GetString(chars, 0, length));
}
bool ReadFromStream(IBinaryStream index, int name_length)
{
m_dir.Clear();
for (int i = 0; i < m_count; ++i)
{
var name = index.ReadCString(name_length);
if (string.IsNullOrWhiteSpace(name))
{
return(false);
}
var entry = FormatCatalog.Instance.Create <PackedEntry> (name);
entry.Offset = index.ReadUInt32();
entry.UnpackedSize = index.ReadUInt32();
entry.Size = index.ReadUInt32();
if (!entry.CheckPlacement(m_file.MaxOffset))
{
return(false);
}
entry.IsPacked = m_pack_type != 0 && (m_pack_type != 4 || entry.Size != entry.UnpackedSize);
m_dir.Add(entry);
}
return(true);
}
/// <summary>
/// Read null-terminated UTF8 string.
/// </summary>
public string ReadCString()
{
return(m_input.ReadCString(Encoding.UTF8));
}
public List <Entry> ReadIndex()
{
m_input.Position = 0x10;
int n = 0;
var type_buf = new byte[0x10];
while (0x10 == m_input.Read(type_buf, 0, 0x10))
{
if (Binary.AsciiEqual(type_buf, "abdata"))
{
uint size = m_input.ReadUInt32();
var entry = new Entry {
Name = string.Format("{0}#{1}.dat", m_base_name, n++),
Offset = m_input.Position,
Size = size,
};
m_dir.Add(entry);
Skip(size);
}
else if (Binary.AsciiEqual(type_buf, "abimage10\0") ||
Binary.AsciiEqual(type_buf, "absound10\0"))
{
int count = m_input.ReadByte();
for (int i = 0; i < count; ++i)
{
if (0x10 != m_input.Read(type_buf, 0, 0x10))
{
break;
}
var tag = Binary.GetCString(type_buf, 0, 0x10, Encoding.ASCII);
string name = null;
if ("abimgdat15" == tag)
{
Skip(4);
int name_length = m_input.ReadUInt16();
if (name_length > 0)
{
var name_bytes = m_input.ReadBytes(name_length * 2);
name = Encoding.Unicode.GetString(name_bytes);
}
name_length = m_input.ReadUInt16();
if (name_length > 0)
{
if (string.IsNullOrEmpty(name))
{
name = m_input.ReadCString(name_length);
}
else
{
Skip((uint)name_length);
}
}
byte type = m_input.ReadUInt8();
/*
* case 0: ".bmp"
* case 1: ".jpg"
* case 2:
* case 3: ".png"
* case 4: ".m"
* case 5: ".argb"
* case 6: ".b"
* case 7: ".ogv"
* case 8: ".mdl"
*/
Skip(0x11);
}
else
{
int name_length = m_input.ReadUInt16();
name = m_input.ReadCString(name_length);
if (tag != "abimgdat10" && tag != "absnddat10")
{
Skip(m_input.ReadUInt16());
if ("abimgdat13" == tag)
{
Skip(0x0C);
}
else if ("abimgdat14" == tag)
{
Skip(0x4C);
}
}
m_input.ReadByte();
}
var size = m_input.ReadUInt32();
if (0 != size)
{
if (string.IsNullOrEmpty(name))
{
name = string.Format("{0}#{1}", m_base_name, n++);
}
else
{
name = s_InvalidChars.Replace(name, "_");
}
var entry = new Entry {
Name = name,
Type = tag.StartsWith("abimg") ? "image" : tag.StartsWith("absnd") ? "audio" : "",
Offset = m_input.Position,
Size = size,
};
if (entry.CheckPlacement(m_file.MaxOffset))
{
DetectFileType(m_file, entry);
m_dir.Add(entry);
}
}
Skip(size);
}
}
else
{
var entry = new Entry {
Name = string.Format("{0}#{1}#{2}", m_base_name, n++, GetTypeName(type_buf)),
Offset = m_input.Position,
Size = (uint)(m_file.MaxOffset - m_input.Position),
};
m_dir.Add(entry);
Skip(entry.Size);
}
}
return(m_dir);
}
protected virtual string ReadString()
{
int length = m_input.ReadUInt8();
return(m_input.ReadCString(length));
}
string ReadString(int length)
{
return(m_input.ReadCString(length, Encoding));
}
