void ReadV2(uint record_size)
{
uint index_offset = 0;
var first_offset_str = m_enc.GetString(m_entry_buf, 8, 8);
uint first_offset = Convert.ToUInt32(first_offset_str, 16);
while (index_offset < first_offset)
{
var offset_str = m_enc.GetString(m_entry_buf, 8, 8);
var offset = Convert.ToUInt32(offset_str, 16);
if (m_file.MaxOffset == offset)
{
break;
}
var name = m_enc.GetString(m_entry_buf, 0, 8);
var entry = new OdnEntry {
Name = name, Offset = offset
};
m_dir.Add(entry);
index_offset += record_size;
if (record_size != m_file.View.Read(index_offset, m_entry_buf, 0, record_size))
{
throw new InvalidFormatException();
}
}
}
void ReadEncrypted(byte key)
{
uint index_offset = 0;
for (;;)
{
index_offset += 0x10;
if (m_entry_buf.AsciiEqual(0, "ffffffffffffffff"))
{
break;
}
var name = m_enc.GetString(m_entry_buf, 0, 8);
var offset = m_enc.GetString(m_entry_buf, 8, 8);
var entry = new OdnEntry {
Name = name, Offset = Convert.ToUInt32(offset, 16)
};
m_dir.Add(entry);
if (0x10 != m_file.View.Read(index_offset, m_entry_buf, 0, 0x10))
{
throw new InvalidFormatException();
}
key = OdnOpener.Decrypt(m_entry_buf, 0x10, key);
}
foreach (var entry in m_dir)
{
entry.Offset += index_offset;
}
}
void ReadV1()
{
uint index_offset = 0;
for (;;)
{
if (0x10 != m_file.View.Read(index_offset, m_entry_buf, 0, 0x10))
{
throw new InvalidFormatException();
}
index_offset += 0x10;
if (m_entry_buf.AsciiEqual(0, "END_ffffffffffff"))
{
break;
}
else if (m_entry_buf.AsciiEqual(0, "ffffffffffffffff"))
{
m_scripts_encrypted = false;
break;
}
else if (m_entry_buf.AsciiEqual(0, "HIME_END"))
{
index_offset += 8;
break;
}
var name = m_enc.GetString(m_entry_buf, 0, 8);
var offset = m_enc.GetString(m_entry_buf, 8, 8);
var entry = new OdnEntry {
Name = name, Offset = Convert.ToUInt32(offset, 16)
};
m_dir.Add(entry);
}
foreach (OdnEntry entry in m_dir)
{
entry.Offset += index_offset;
}
if (m_dir.Any() && m_dir[m_dir.Count - 1].Offset == m_file.MaxOffset)
{
m_dir.RemoveAt(m_dir.Count - 1);
}
}
