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use ArView.ReadBytes and Binary.RotR shortcut methods.

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This commit is contained in:
morkt 2016-02-04 05:59:55 +04:00
parent f502e9578c
commit 7756f8d8e8
2 changed files with 6 additions and 8 deletions
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10
ArcFormats/NitroPlus/ArcNitro.cs
View File

@ -2,7 +2,7 @@
//! \date Wed Feb 25 20:28:14 2015
//! \brief Nitro+ PAK archives implementation.
//
// Copyright (C) 2015 by morkt
// Copyright (C) 2015-2016 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
@ -125,8 +125,7 @@ namespace GameRes.Formats.NitroPlus
uint size_xor = file.View.ReadUInt32 (0x104);
if (0x64 != size_xor)
return null;
byte[] name_buf = new byte[0x100];
file.View.Read (4, name_buf, 0, 0x100);
byte[] name_buf = file.View.ReadBytes (4, 0x100);
int name_len = 0;
for (int i = 0; i < name_buf.Length; ++i)
{
@ -223,13 +222,12 @@ namespace GameRes.Formats.NitroPlus
uint enc_size = Math.Min (entry.Size, 0x10u);
if (0 == enc_size)
return Stream.Null;
var buf = new byte[enc_size];
arc.File.View.Read (entry.Offset, buf, 0, enc_size);
var buf = arc.File.View.ReadBytes (entry.Offset, enc_size);
uint key = entry.Key;
for (int i = 0; i < buf.Length; ++i)
{
buf[i] ^= (byte)key;
key = key >> 8 | key << 24;
key = Binary.RotR (key, 8);
}
if (enc_size == entry.Size)
return new MemoryStream (buf, false);

4
ArcFormats/Xuse/ArcWAG.cs
View File

@ -67,8 +67,8 @@ namespace GameRes.Formats.Xuse
if (!IsSaneCount (count))
return null;
byte[] title = new byte[0x40];
if (0x40 != file.View.Read (6, title, 0, 0x40))
byte[] title = file.View.ReadBytes (6, 0x40);
if (0x40 != title.Length)
return null;
int title_length = Array.IndexOf<byte> (title, 0);
if (-1 == title_length)