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added another version of DRS archives.

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morkt 2015-02-15 19:53:04 +04:00
parent 9bb3701488
commit 250858262b
1 changed files with 50 additions and 0 deletions
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50
ArcFormats/ArcDRS.cs
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@ -89,4 +89,54 @@ namespace GameRes.Formats.DRS
return new ArcFile (file, this, dir);
}
}
[Export(typeof(ArchiveFormat))]
public class MpxOpener : ArchiveFormat
{
public override string Tag { get { return "IKURA/GDL"; } }
public override string Description { get { return "IKURA GDL Resource archive"; } }
public override uint Signature { get { return 0x4d324d53; } } // 'SM2M'
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public MpxOpener ()
{
Extensions = Enumerable.Empty<string>(); // DRS archives have no extensions
}
public override ArcFile TryOpen (ArcView file)
{
if (!file.View.AsciiEqual (4, "PX10") || file.MaxOffset > uint.MaxValue)
return null;
int count = file.View.ReadInt32 (8);
if (count <= 0 || count > 0xfffff)
return null;
uint index_size = file.View.ReadUInt32 (12);
if (index_size > file.MaxOffset)
return null;
var encoding = Encodings.cp932.WithFatalFallback();
byte[] name_raw = new byte[12];
long dir_offset = 0x20;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
file.View.Read (dir_offset, name_raw, 0, 12);
int name_length = name_raw.Length;
while (name_length > 0 && 0 == name_raw[name_length-1])
--name_length;
if (0 == name_length)
return null;
string name = encoding.GetString (name_raw, 0, name_length).ToLowerInvariant();
var entry = FormatCatalog.Instance.CreateEntry (name);
entry.Offset = file.View.ReadUInt32 (dir_offset+12);
entry.Size = file.View.ReadUInt32 (dir_offset+16);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
dir_offset += 0x14;
}
return new ArcFile (file, this, dir);
}
}
}