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Cx encryption bytecode generation fix.

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This commit is contained in:
morkt 2014-09-08 11:27:24 +04:00
parent 12d8236d3d
commit a0162b4bbc
2 changed files with 8 additions and 7 deletions
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8
ArcFormats/ArcXP3.cs
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@ -232,10 +232,6 @@ namespace GameRes.Formats.KiriKiri
if (!string.IsNullOrEmpty (entry.Name) && entry.Segments.Any())
{
dir.Add (entry);
// Trace.WriteLine (string.Format ("{0,-16} {3:X8} {1,11} {2,12}", entry.Name,
// entry.IsEncrypted ? "[encrypted]" : "",
// entry.Segments.First().IsCompressed ? "[compressed]" : "",
// entry.Hash));
}
NextEntry:
header.BaseStream.Position = dir_offset;
@ -249,6 +245,10 @@ NextEntry:
var xp3_entry = entry as Xp3Entry;
if (null == xp3_entry)
return arc.File.CreateStream (entry.Offset, entry.Size);
// Trace.WriteLine (string.Format ("{0,-16} {3:X8} {1,11} {2,12}", xp3_entry.Name,
// xp3_entry.IsEncrypted ? "[encrypted]" : "",
// xp3_entry.Segments.First().IsCompressed ? "[compressed]" : "",
// xp3_entry.Hash));
if (1 == xp3_entry.Segments.Count && !xp3_entry.IsEncrypted)
{
var segment = xp3_entry.Segments.First();

7
ArcFormats/KiriKiriCx.cs
View File

@ -175,7 +175,7 @@ namespace GameRes.Formats.KiriKiri
else if (!EmitBody2 (program, stage - 1))
return false;
if (!program.Emit (CxByteCode.MOV_EBX_EAX, 2))
if (!program.Emit (CxByteCode.MOV_EBX_EAX, 2)) // 0x89 0xc3
return false;
if (0 != (program.GetRandom() & 1))
@ -211,9 +211,10 @@ namespace GameRes.Formats.KiriKiri
case 2:
// MOV EAX, (Random() & 0x3ff)
// MOV EAX, EncryptionControlBlock[EAX]
rc = program.Emit (CxByteCode.MOV_EAX_IMMED) // 0xbe
rc = program.EmitNop (5) // 0xbe
&& program.Emit (CxByteCode.MOV_EAX_IMMED, 2) // 0x8b 0x86
&& program.EmitUInt32 (program.GetRandom() & 0x3ff)
&& program.Emit (CxByteCode.MOV_EAX_INDIRECT, 6); // 0x8b 0x86
&& program.Emit (CxByteCode.MOV_EAX_INDIRECT, 0);
break;
case 1:
rc = program.Emit (CxByteCode.MOV_EAX_EDI, 2); // 0x8b 0xc7