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(vav): recognize archives version 100.

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This commit is contained in:
morkt 2018-12-19 03:19:18 +04:00
parent 19b0b95dce
commit 479fd34ca3
1 changed files with 36 additions and 17 deletions
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53
ArcFormats/FrontWing/ArcVAV.cs
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@ -35,6 +35,17 @@ namespace GameRes.Formats.FrontWing
public int Compression;
}
internal class VavArchive : ArcFile
{
public int Version;
public VavArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, int version)
: base (arc, impl, dir)
{
Version = version;
}
}
[Export(typeof(ArchiveFormat))]
public class PakOpener : ArchiveFormat
{
@ -47,28 +58,33 @@ namespace GameRes.Formats.FrontWing
public override ArcFile TryOpen (ArcView file)
{
int version = file.View.ReadInt32 (4);
if (version != 200 && version != 201)
if (version != 100 && version != 200 && version != 201)
return null;
int count = file.View.ReadInt32 (8);
if (!IsSaneCount (count))
return null;
bool is_voice = Path.GetFileNameWithoutExtension (file.Name).Equals ("voice", StringComparison.OrdinalIgnoreCase);
uint index_offset = file.View.ReadUInt32 (0xC);
uint name_size = version < 200 ? 0x10u : 0x20u;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x20);
var entry = FormatCatalog.Instance.Create<VavEntry> (name);
entry.Size = file.View.ReadUInt32 (index_offset+0x20);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0x24);
entry.Offset = file.View.ReadUInt32 (index_offset+0x28);
var name = file.View.ReadString (index_offset, name_size);
var entry = Create<VavEntry> (name);
index_offset += name_size;
entry.Size = file.View.ReadUInt32 (index_offset);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+4);
entry.Offset = file.View.ReadUInt32 (index_offset+8);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.Compression = file.View.ReadInt32 (index_offset+0x2C);
entry.Compression = file.View.ReadInt32 (index_offset+0xC);
entry.IsPacked = (entry.Compression & 0x90) != 0;
if (is_voice)
entry.Type = "audio";
dir.Add (entry);
index_offset += 0x38;
index_offset += 0x18;
}
return new ArcFile (file, this, dir);
return new VavArchive (file, this, dir, version);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
@ -76,6 +92,8 @@ namespace GameRes.Formats.FrontWing
var vent = entry as VavEntry;
if (null == vent)
return base.OpenEntry (arc, entry);
var varc = arc as VavArchive;
bool old_version = varc != null && varc.Version < 200;
var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
int data_length = data.Length;
if ((vent.Compression & 0x80) != 0)
@ -90,22 +108,23 @@ namespace GameRes.Formats.FrontWing
UnpackRle (data, data_length, output);
data = output;
}
DecryptEntry (data, vent.Compression & 0xF);
DecryptEntry (data, vent.Compression & 0xF, old_version);
return new BinMemoryStream (data);
}
void DecryptEntry (byte[] data, int start)
void DecryptEntry (byte[] data, int start, bool old_version = false)
{
if (0 == start)
{
for (int i = 0; i < data.Length; ++i)
data[i] ^= 0x55;
}
else
if (start > 0)
{
for (int i = start; i < data.Length; ++i)
data[i] ^= data[i-start];
}
else
{
int data_length = old_version ? 1 : data.Length;
for (int i = 0; i < data_length; ++i)
data[i] ^= 0x55;
}
}
int UnpackRle (byte[] input, int input_length, byte[] output)