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(MblOpener): another archive format variant.

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This commit is contained in:
morkt 2015-04-19 15:27:52 +04:00
parent be3cf68c86
commit d3a459cfb0
1 changed files with 38 additions and 21 deletions
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59
ArcFormats/ArcMBL.cs
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@ -52,6 +52,8 @@ namespace GameRes.Formats.Marble
arc = ReadIndex (file, count, filename_len, 8);
if (null == arc)
arc = ReadIndex (file, count, 0x10, 4);
if (null == arc)
arc = ReadIndex (file, count, 0x38, 4);
return arc;
}
@ -60,30 +62,45 @@ namespace GameRes.Formats.Marble
uint index_size = (8u + filename_len) * (uint)count;
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
try
{
string name = file.View.ReadString (index_offset, filename_len);
if (0 == name.Length)
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString (index_offset, filename_len);
if (0 == name.Length)
return null;
if (filename_len-name.Length > 1)
{
string ext = file.View.ReadString (index_offset+name.Length+1, filename_len-(uint)name.Length-1);
if (0 != ext.Length)
name = Path.ChangeExtension (name, ext);
}
name = name.ToLowerInvariant();
index_offset += (uint)filename_len;
uint offset = file.View.ReadUInt32 (index_offset);
var entry = new AutoEntry (name, () => {
uint signature = file.View.ReadUInt32 (offset);
var res = FormatCatalog.Instance.LookupSignature (signature);
if (!res.Any() && 0x4259 == (0xffff & signature))
res = FormatCatalog.Instance.ImageFormats.Where (x => x.Tag == "PRS");
return res.FirstOrDefault();
});
entry.Offset = offset;
entry.Size = file.View.ReadUInt32 (index_offset+4);
if (offset < index_size || !entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
if (0 == dir.Count)
return null;
name = name.ToLowerInvariant();
index_offset += (uint)filename_len;
uint offset = file.View.ReadUInt32 (index_offset);
var entry = new AutoEntry (name, () => {
uint signature = file.View.ReadUInt32 (offset);
var res = FormatCatalog.Instance.LookupSignature (signature);
if (!res.Any() && 0x4259 == (0xffff & signature))
res = FormatCatalog.Instance.ImageFormats.Where (x => x.Tag == "PRS");
return res.FirstOrDefault();
});
entry.Offset = offset;
entry.Size = file.View.ReadUInt32 (index_offset+4);
if (offset < index_size || !entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
return new ArcFile (file, this, dir);
}
catch
{
return null;
}
return new ArcFile (file, this, dir);
}
}
}