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(MAIKA): adjusted scramble scheme detection.

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This commit is contained in:
morkt
2020-03-30 17:32:08 +04:00
parent d90e65c6a6
commit 8cd3cac054
2 changed files with 23 additions and 10 deletions
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26
ArcFormats/Maika/ArcMK2.cs
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@@ -33,7 +33,7 @@ using GameRes.Utility;
namespace GameRes.Formats.Maika
{
[Serializable]
internal class ScrambleScheme
public class ScrambleScheme
{
public uint ScrambledSize;
public Tuple<byte, byte>[] ScrambleMap;
@@ -75,7 +75,6 @@ namespace GameRes.Formats.Maika
if (!IsSaneCount (count))
return null;
string arc_id = file.View.ReadString (0, 5);
uint base_offset = file.View.ReadUInt16 (8);
uint index_offset = file.View.ReadUInt32 (0xE);
if (index_offset >= file.MaxOffset)
@@ -114,8 +113,14 @@ namespace GameRes.Formats.Maika
break;
current_offset += 6;
}
return GetArchive (file, dir);
}
internal ArcFile GetArchive (ArcView file, List<Entry> dir)
{
if (0 == dir.Count)
return null;
string arc_id = file.View.ReadString (0, 5);
ScrambleScheme scheme;
if (!KnownSchemes.TryGetValue (arc_id, out scheme))
scheme = DefaultScheme;
@@ -172,14 +177,17 @@ namespace GameRes.Formats.Maika
}
};
static readonly ScrambleScheme ArScheme = new ScrambleScheme {
ScrambledSize = 15,
ScrambleMap = new Tuple<byte,byte>[] {
new Tuple<byte, byte> (7, 13),
new Tuple<byte, byte> (9, 14)
}
};
Dictionary<string, ScrambleScheme> KnownSchemes = new Dictionary<string, ScrambleScheme> {
{ "AR2.0", new ScrambleScheme {
ScrambledSize = 15,
ScrambleMap = new Tuple<byte,byte>[] {
new Tuple<byte, byte> (7, 13),
new Tuple<byte, byte> (9, 14)
}
} }
{ "AR2.0", ArScheme },
{ "USG01", ArScheme },
};
}