lifegpc/GARbro-crskycode
1
0
Fork 0
mirror of https://github.com/crskycode/GARbro.git synced 2026-07-08 01:30:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

remember last used MCG image key.

Browse Source
This commit is contained in:
morkt
2015-07-14 18:44:27 +04:00
parent c4acb0c44b
commit 5907b0ad5c
5 changed files with 28 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
ArcFormats/ImageMCG.cs
View File

@@ -26,9 +26,9 @@
using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Diagnostics;
using System.IO;
using System.Windows.Media;
using GameRes.Formats.Properties;
using GameRes.Utility;
namespace GameRes.Formats.FC01
@@ -102,6 +102,7 @@ namespace GameRes.Formats.FC01
uint m_width;
uint m_height;
uint m_pixels;
byte m_key;
public byte[] Data { get { return m_output; } }
@@ -115,6 +116,7 @@ namespace GameRes.Formats.FC01
m_height = info.Height;
m_pixels = m_width*m_height;
m_output = new byte[m_pixels*3];
m_key = Settings.Default.MCGLastKey;
}
static readonly byte[] ChannelOrder = { 1, 0, 2 };
@@ -122,9 +124,9 @@ namespace GameRes.Formats.FC01
public void Unpack ()
{
var reader = new MrgDecoder (m_input, 0, m_pixels);
for (int key = 0; key < 0x100; ++key)
do
{
reader.ResetKey ((byte)key);
reader.ResetKey (m_key);
try
{
for (int i = 0; i < 3; ++i)
@@ -141,18 +143,19 @@ namespace GameRes.Formats.FC01
}
catch (InvalidFormatException)
{
m_key++;
continue;
}
Transform();
Settings.Default.MCGLastKey = m_key;
return;
}
while (m_key != Settings.Default.MCGLastKey);
throw new UnknownEncryptionScheme();
}
void Transform ()
{
// esi = m_input
// dst = m_output
uint dst = 0;
uint stride = (m_width - 1) * 3;
for (uint y = m_height-1; y > 0; --y) // @@1a