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ArcFormats: Support S5IC archieve

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* Tested game: https://vndb.org/r119690

Signed-off-by: MkfsSion <[email protected]>
This commit is contained in:
MkfsSion
2024-08-31 00:39:40 +08:00
parent e2d4ddb59a
commit d621cf4c03
2 changed files with 78 additions and 21 deletions
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26
GameRes/BinaryStream.cs
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@@ -170,6 +170,27 @@ namespace GameRes
return bin;
}
internal int FindEoS(int start, int length, Encoding enc)
{
int eos_pos = -1;
if (enc.IsUtf16())
{
for (int i = start + 1; i < start + length; i += 2)
{
if (m_buffer[i - 1] == 0 && m_buffer[i] == 0)
{
eos_pos = i - 1;
break;
}
}
}
else
{
eos_pos = Array.IndexOf<byte>(m_buffer, 0, start, length);
}
return eos_pos;
}
uint ReadSignature ()
{
if (m_header_size >= 4)
@@ -307,10 +328,7 @@ namespace GameRes
public string ReadCString (int length, Encoding enc)
{
length = FillBuffer (length);
int i;
for (i = 0; i < length; ++i)
if (0 == m_buffer[m_buffer_pos+i])
break;
int i = FindEoS(m_buffer_pos, length, enc) - m_buffer_pos;
string s = enc.GetString (m_buffer, m_buffer_pos, i);
m_buffer_pos += length;
return s;