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(ODN): sometimes scripts are not encrypted.

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added possible image dimensions.
This commit is contained in:
morkt 2018-10-25 16:54:16 +04:00
parent 657368812e
commit cd527552b8
1 changed files with 32 additions and 10 deletions
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42
ArcFormats/Valkyria/ArcODN.cs
View File

@ -55,6 +55,11 @@ namespace GameRes.Formats.Valkyria
}
}
internal class OdnEntry : Entry
{
public bool IsEncrypted;
}
[Export(typeof(ArchiveFormat))]
sealed public class OdnOpener : ArchiveFormat
{
@ -67,9 +72,11 @@ namespace GameRes.Formats.Valkyria
public OdnOpener ()
{
Settings = new[] { AudioSampleRate };
Extensions = new[] { "odn", "dat" };
Extensions = RequiredExtensions;
}
static string[] RequiredExtensions = new[] { "odn", "dat", "pni" };
FixedSetSetting AudioSampleRate = new FixedSetSetting (Properties.Settings.Default) {
Name = "ODNAudioSampleRate",
Text = arcStrings.ODNAudioSampleRate,
@ -78,7 +85,7 @@ namespace GameRes.Formats.Valkyria
public override ArcFile TryOpen (ArcView file)
{
if (!file.Name.HasAnyOfExtensions ("odn", "dat"))
if (!file.Name.HasAnyOfExtensions (RequiredExtensions))
return null;
var reader = new OdnIndexReader (file);
var dir = reader.ReadIndex();
@ -87,14 +94,15 @@ namespace GameRes.Formats.Valkyria
return new ArcFile (file, this, dir);
}
internal static readonly Regex Image24NameRe = new Regex ("^(?:back|phii)");
internal static readonly Regex Image32NameRe = new Regex ("^(?:data|codn|cccc|fund)");
internal static readonly Regex Image24NameRe = new Regex ("^(?:back|phii|psss)");
internal static readonly Regex Image32NameRe = new Regex ("^(?:data|codn|cccc|fund|puni|wind)");
internal static readonly Regex ScriptNameRe = new Regex ("^(?:scrp|menu|sysm)");
internal static readonly Regex AudioNameRe = new Regex ("^hime");
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
if (ScriptNameRe.IsMatch (entry.Name))
var oent = entry as OdnEntry;
if (oent != null && oent.IsEncrypted)
{
byte key = (byte)~entry.Offset;
var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
@ -140,6 +148,11 @@ namespace GameRes.Formats.Valkyria
try
{
UnpackImage (input, output, pixel_size);
if (entry.Name.StartsWith ("wind") && output.Length == 1024 * 256 * pixel_size)
{
var info = new ImageMetaData { Width = 1024, Height = 256, BPP = pixel_size * 8 };
return new OdnImageDecoder (output, info);
}
return CreateImageDecoder (output, pixel_size);
}
catch { /* try different pixel size */ }
@ -169,8 +182,10 @@ namespace GameRes.Formats.Valkyria
static readonly Size[] ImageDimensions = new Size[]
{
new Size (1024, 768),
new Size (1024, 512),
new Size (800, 600),
new Size (640, 480),
new Size (512, 512),
new Size (400, 600),
new Size (400, 200),
};
@ -221,6 +236,7 @@ namespace GameRes.Formats.Valkyria
byte[] m_entry_buf = new byte[0x20];
List<Entry> m_dir = new List<Entry>();
Encoding m_enc;
bool m_scripts_encrypted = true;
public OdnIndexReader (ArcView file)
{
@ -265,6 +281,11 @@ namespace GameRes.Formats.Valkyria
index_offset += 0x10;
if (m_entry_buf.AsciiEqual (0, "END_ffffffffffff"))
break;
else if (m_entry_buf.AsciiEqual (0, "ffffffffffffffff"))
{
m_scripts_encrypted = false;
break;
}
else if (m_entry_buf.AsciiEqual (0, "HIME_END"))
{
index_offset += 8;
@ -272,10 +293,10 @@ namespace GameRes.Formats.Valkyria
}
var name = m_enc.GetString (m_entry_buf, 0, 8);
var offset = m_enc.GetString (m_entry_buf, 8, 8);
var entry = new Entry { Name = name, Offset = Convert.ToUInt32 (offset, 16) };
var entry = new OdnEntry { Name = name, Offset = Convert.ToUInt32 (offset, 16) };
m_dir.Add (entry);
}
foreach (var entry in m_dir)
foreach (OdnEntry entry in m_dir)
entry.Offset += index_offset;
if (m_dir.Any() && m_dir[m_dir.Count-1].Offset == m_file.MaxOffset)
m_dir.RemoveAt (m_dir.Count-1);
@ -293,7 +314,7 @@ namespace GameRes.Formats.Valkyria
if (m_file.MaxOffset == offset)
break;
var name = m_enc.GetString (m_entry_buf, 0, 8);
var entry = new Entry { Name = name, Offset = offset };
var entry = new OdnEntry { Name = name, Offset = offset };
m_dir.Add (entry);
index_offset += record_size;
if (record_size != m_file.View.Read (index_offset, m_entry_buf, 0, record_size))
@ -311,7 +332,7 @@ namespace GameRes.Formats.Valkyria
break;
var name = m_enc.GetString (m_entry_buf, 0, 8);
var offset = m_enc.GetString (m_entry_buf, 8, 8);
var entry = new Entry { Name = name, Offset = Convert.ToUInt32 (offset, 16) };
var entry = new OdnEntry { Name = name, Offset = Convert.ToUInt32 (offset, 16) };
m_dir.Add (entry);
if (0x10 != m_file.View.Read (index_offset, m_entry_buf, 0, 0x10))
throw new InvalidFormatException();
@ -333,7 +354,7 @@ namespace GameRes.Formats.Valkyria
{
for (int i = 0; i < m_dir.Count; ++i)
{
var entry = m_dir[i];
var entry = (OdnEntry)m_dir[i];
long next_offset = i+1 < m_dir.Count ? m_dir[i+1].Offset : m_file.MaxOffset;
entry.Size = (uint)(next_offset - entry.Offset);
@ -345,6 +366,7 @@ namespace GameRes.Formats.Valkyria
else if (OdnOpener.ScriptNameRe.IsMatch (entry.Name))
{
entry.Type = "script";
entry.IsEncrypted = m_scripts_encrypted;
}
else if (OdnOpener.AudioNameRe.IsMatch (entry.Name))
{