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(MblOpener): another archive format variant.

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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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17
ArcFormats/ArcMBL.cs
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@ -52,6 +52,8 @@ namespace GameRes.Formats.Marble
arc = ReadIndex (file, count, filename_len, 8); arc = ReadIndex (file, count, filename_len, 8);
if (null == arc) if (null == arc)
arc = ReadIndex (file, count, 0x10, 4); arc = ReadIndex (file, count, 0x10, 4);
if (null == arc)
arc = ReadIndex (file, count, 0x38, 4);
return arc; return arc;
} }
@ -60,12 +62,20 @@ namespace GameRes.Formats.Marble
uint index_size = (8u + filename_len) * (uint)count; uint index_size = (8u + filename_len) * (uint)count;
if (index_size > file.View.Reserve (index_offset, index_size)) if (index_size > file.View.Reserve (index_offset, index_size))
return null; return null;
try
{
var dir = new List<Entry> (count); var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i) for (int i = 0; i < count; ++i)
{ {
string name = file.View.ReadString (index_offset, filename_len); string name = file.View.ReadString (index_offset, filename_len);
if (0 == name.Length) if (0 == name.Length)
return null; 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(); name = name.ToLowerInvariant();
index_offset += (uint)filename_len; index_offset += (uint)filename_len;
uint offset = file.View.ReadUInt32 (index_offset); uint offset = file.View.ReadUInt32 (index_offset);
@ -83,7 +93,14 @@ namespace GameRes.Formats.Marble
dir.Add (entry); dir.Add (entry);
index_offset += 8; index_offset += 8;
} }
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir); return new ArcFile (file, this, dir);
} }
catch
{
return null;
}
}
} }
} }