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(ADPACK): special case for audio archives.

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This commit is contained in:
morkt 2017-12-29 01:09:33 +04:00
parent 9c7fb9d2de
commit 6e4dc2db53
1 changed files with 48 additions and 5 deletions
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53
ArcFormats/ActiveSoft/ArcADPACK.cs
View File

@ -50,6 +50,8 @@ namespace GameRes.Formats.AdPack
int count = file.View.ReadInt16 (0);
if (count <= 1)
return null;
if (0x4000 == count)
return TryOpenVoiceArchive (file);
long index_offset = 2;
uint index_size = (uint)(0x10 * count);
if (index_size > file.View.Reserve (index_offset, index_size))
@ -58,12 +60,9 @@ namespace GameRes.Formats.AdPack
var dir = new List<Entry> (count);
for (uint i = 0; i < count; ++i)
{
string name = file.View.ReadString (index_offset, 8).TrimEnd (null);
if (0 == name.Length)
string name = ReadName (file, index_offset);
if (string.IsNullOrEmpty (name))
return null;
string ext = file.View.ReadString (index_offset+8, 4).TrimEnd (null);
if (0 != ext.Length)
name += '.'+ext;
var entry = FormatCatalog.Instance.Create<Entry> (name);
uint offset = file.View.ReadUInt32 (index_offset+12);
uint next_offset = file.View.ReadUInt32 (index_offset+0x10+12);
@ -76,6 +75,50 @@ namespace GameRes.Formats.AdPack
}
return new ArcFile (file, this, dir);
}
ArcFile TryOpenVoiceArchive (ArcView file)
{
int count = file.View.ReadInt16 (2);
if (!IsSaneCount (count))
return null;
uint index_offset = 4;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32 (index_offset+4);
index_offset += 8;
if (offset == file.MaxOffset && i+1 == count)
break;
if (offset > file.MaxOffset)
return null;
var entry = new Entry { Offset = offset };
dir.Add (entry);
}
foreach (var entry in dir)
{
var name = ReadName (file, index_offset);
if (string.IsNullOrEmpty (name))
return null;
entry.Name = name;
entry.Type = FormatCatalog.Instance.GetTypeFromName (name);
entry.Size = file.View.ReadUInt32 (index_offset+0xC);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
index_offset += 0x10;
}
return new ArcFile (file, this, dir);
}
string ReadName (ArcView file, long offset)
{
string name = file.View.ReadString (offset, 8).TrimEnd (null);
if (0 == name.Length)
return null;
string ext = file.View.ReadString (offset+8, 4).TrimEnd (null);
if (0 != ext.Length)
name += '.'+ext;
return name;
}
}
[Export(typeof(ArchiveFormat))]