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extended SEC5 resource index parser.

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This commit is contained in:
morkt 2015-10-25 01:31:19 +04:00
parent 1ddb25ec3d
commit 00fe80b415
2 changed files with 142 additions and 0 deletions
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141
ArcFormats/Sas5/ArcSec5.cs
View File

@ -129,6 +129,11 @@ namespace GameRes.Formats.Sas5
using (var resr = sec5.CreateStream (offset, section_size))
return ReadResrSection (resr);
}
if ("RES2" == id)
{
using (var res2 = sec5.CreateStream (offset, section_size))
return ReadRes2Section (res2);
}
offset += section_size;
}
}
@ -169,5 +174,141 @@ namespace GameRes.Formats.Sas5
return map.Count > 0 ? map : null;
}
}
static internal Dictionary<string, Dictionary<int, Entry>> ReadRes2Section (Stream input)
{
using (var resr = new Res2Reader (input))
return resr.Read();
}
}
internal sealed class Res2Reader : IDisposable
{
BinaryReader m_resr;
byte[] m_strings;
Dictionary<int, string> m_string_cache = new Dictionary<int, string>();
public Res2Reader (Stream input)
{
m_resr = new BinaryReader (input, Encodings.cp932, true);
}
public Dictionary<string, Dictionary<int, Entry>> Read ()
{
int section_size = m_resr.ReadInt32();
m_strings = m_resr.ReadBytes (section_size);
if (m_strings.Length != section_size)
return null;
var map = new Dictionary<string, Dictionary<int, Entry>> (StringComparer.InvariantCultureIgnoreCase);
int count = m_resr.ReadInt32();
for (int i = 0; i < count; ++i)
{
string name = ReadString();
string type = ReadString();
string arc_type = ReadString();
int param_count = ReadInteger();
string arc_name = null;
int? arc_index = null;
for (int j = 0; j < param_count; ++j)
{
string param_name = ReadString();
if ("path" == param_name)
arc_name = ReadString();
else if ("arc-index" == param_name)
arc_index = ReadInteger();
else
SkipObject();
}
if (!string.IsNullOrEmpty (arc_name) && arc_index != null)
{
arc_name = Path.GetFileName (arc_name);
if (!map.ContainsKey (arc_name))
map[arc_name] = new Dictionary<int, Entry>();
var entry = new Entry
{
Name = name,
Type = type,
};
map[arc_name][arc_index.Value] = entry;
}
}
return map.Count > 0 ? map : null;
}
string ReadString ()
{
int n = m_resr.ReadByte();
if (0x90 != (n & 0xF8))
throw new InvalidFormatException ("[ReadString] SEC5 deserialization error");
int offset = ReadNumber (n);
if (offset >= m_strings.Length)
throw new InvalidFormatException ("[ReadString] SEC5 deserialization error");
string s;
if (!m_string_cache.TryGetValue (offset, out s))
{
int str_length = LittleEndian.ToInt32 (m_strings, offset);
s = Encodings.cp932.GetString (m_strings, offset+4, str_length);
m_string_cache[offset] = s;
}
return s;
}
int ReadInteger ()
{
int n = m_resr.ReadByte();
if (0 != (n & 0xE0))
{
if (0x80 != (n & 0xF8))
throw new InvalidFormatException ("[ReadInteger] SEC5 deserialization error");
n = ReadNumber (n);
}
else
{
n = (n & 0xF) - (n & 0x10);
}
return n;
}
void SkipObject ()
{
int n = m_resr.ReadByte();
if (0 != (n & 0xE0))
ReadNumber (n);
}
int ReadNumber (int length_code)
{
int count = (length_code & 7) + 1;
if (count > 4)
throw new InvalidFormatException ("[ReadNumber] SEC5 deserialization error");
int n = 0;
int rank = 0;
for (int i = 0; i < count; ++i)
{
int b = m_resr.ReadByte();
n |= b << rank;
rank += 8;
}
if (count <= 3)
{
int sign = n & (1 << (8 * count - 1));
if (sign != 0)
n -= sign << 1;
}
return n;
}
#region IDisposable Members
bool _disposed = false;
public void Dispose ()
{
if (!_disposed)
{
m_resr.Dispose();
_disposed = true;
}
}
#endregion
}
}

1
supported.html
View File

@ -434,6 +434,7 @@ Shitai o Arau<br/>
<tr><td>*.iar<br/>*.war</td><td><tt>iar</tt><br/><tt>war</tt></td><td>No</td><td>Studio Ryokucha</td><td>
Katakoi no Tsuki<br/>
Katakoi no Tsuki Extra<br/>
Shukufuku no Kane no Oto wa, Sakurairo no Kaze to Tomo ni<br/>
</td></tr>
<tr class="odd"><td>*.bsa</td><td><tt>BSArc</tt></td><td>No</td><td rowspan="2">Bishop</td><td rowspan="2">
Houkago ~Nureta Seifuku~<br/>