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Code Issues Projects Releases Wiki Activity

minor fixes.

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This commit is contained in:
morkt 2015-04-23 13:39:04 +04:00
parent 3a4a3901fc
commit a12d481d21
1 changed files with 25 additions and 20 deletions
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45
ArcFormats/ArcLPK.cs
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@ -75,7 +75,7 @@ namespace GameRes.Formats.Lucifen
public override bool IsHierarchic { get { return false; } }
public override bool CanCreate { get { return false; } }
public struct Key
public class Key
{
public uint Key1, Key2;
public Key (uint k1, uint k2)
@ -85,9 +85,9 @@ namespace GameRes.Formats.Lucifen
}
}
static Key BaseKey = new Key { Key1 = 0xA5B9AC6B, Key2 = 0x9A639DE5 };
static Key BaseKey = new Key (0xA5B9AC6B, 0x9A639DE5);
static byte[] ScriptName = Encoding.ASCII.GetBytes ("SCRIPT");
static Key ScriptKey = new Key { Key1 = 0, Key2 = 0 };
static Key ScriptKey = new Key (0, 0);
Dictionary<string, Key> CurrentScheme = new Dictionary<string, Key>();
@ -121,11 +121,17 @@ namespace GameRes.Formats.Lucifen
var key = ScriptKey;
if (name != "SCRIPT.LPK" && !CurrentScheme.TryGetValue (name, out key))
{
ImportKeys (file.Name);
if (!CurrentScheme.TryGetValue (name, out key))
try
{
key = QueryEncryptionKey();
ImportKeys (file.Name);
CurrentScheme.TryGetValue (name, out key);
}
catch
{
key = null;
}
if (null == key)
key = QueryEncryptionKey (name);
}
var basename = Encodings.cp932.GetBytes (Path.GetFileNameWithoutExtension (name));
return Open (basename, file, key);
@ -157,16 +163,16 @@ namespace GameRes.Formats.Lucifen
input.Read (data, 0, data.Length);
}
}
if (larc.Info.WholeCrypt)
{
for (int i = 0; i < data.Length; ++i)
{
int v = data[i] ^ 0x5d;
data[i] = (byte)(v >> 4 | v << 4);
}
}
if (larc.Info.IsEncrypted)
{
if (larc.Info.WholeCrypt)
{
for (int i = 0; i < data.Length; ++i)
{
int v = data[i] ^ 0x5d;
data[i] = (byte)(v >> 4 | v << 4);
}
}
int count = Math.Min (data.Length / 4, 0x40);
if (count != 0)
{
@ -262,13 +268,13 @@ namespace GameRes.Formats.Lucifen
{
var init_data = new byte[gameinit.Length];
gameinit.Read (init_data, 0, init_data.Length);
if (!GameInit (init_data))
if (!ParseGameInit (init_data))
throw new UnknownEncryptionScheme();
}
}
}
bool GameInit (byte[] sob)
bool ParseGameInit (byte[] sob)
{
CurrentScheme.Clear();
if (!Binary.AsciiEqual (sob, "SOB0"))
@ -305,7 +311,7 @@ namespace GameRes.Formats.Lucifen
}
string name = Binary.GetCString (sob, name_index, sob.Length-name_index);
name = name.ToUpperInvariant();
CurrentScheme[name] = new Key { Key1 = p[8], Key2 = p[10] };
CurrentScheme[name] = new Key (p[8], p[10]);
p += 0x22;
} else
++p;
@ -315,7 +321,7 @@ namespace GameRes.Formats.Lucifen
}
}
Key QueryEncryptionKey ()
Key QueryEncryptionKey (string lpk_name)
{
var options = Query<LuciOptions> (arcStrings.ArcEncryptedNotice);
if (null == options)
@ -340,7 +346,6 @@ namespace GameRes.Formats.Lucifen
if (!info.Flag1)
throw new NotSupportedException ("Not supported LPK index format");
m_info = info;
m_name = new byte[260];
}
public List<Entry> Read (byte[] index)
@ -404,7 +409,7 @@ namespace GameRes.Formats.Lucifen
if (entry_pos+entry_size > m_index.Length)
throw new InvalidFormatException ("Invalid LPK entry index");
entry.Flag = m_index[entry_pos];
uint offset = LittleEndian.ToUInt32 (m_index, entry_pos+1);
long offset = LittleEndian.ToUInt32 (m_index, entry_pos+1);
entry.Offset = m_info.AlignedOffset ? offset << 11 : offset;
entry.Size = LittleEndian.ToUInt32 (m_index, entry_pos+5);
if (entry.IsPacked)