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(WagOpener): use shortcut methods.

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This commit is contained in:
morkt 2016-01-16 17:16:26 +04:00
parent e80d8c3366
commit 81b1793bc5
1 changed files with 6 additions and 4 deletions
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10
ArcFormats/Xuse/ArcWAG.cs
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@ -83,18 +83,18 @@ namespace GameRes.Formats.Xuse
for (int i = 0; i < name_key.Length; ++i) for (int i = 0; i < name_key.Length; ++i)
{ {
index_offset ^= name_key[i]; index_offset ^= name_key[i];
index_offset = index_offset << 31 | index_offset >> 1; index_offset = Binary.RotR (index_offset, 1);
} }
for (int i = 0; i < name_key.Length; ++i) for (int i = 0; i < name_key.Length; ++i)
{ {
index_offset ^= name_key[i]; index_offset ^= name_key[i];
index_offset = index_offset << 31 | index_offset >> 1; index_offset = Binary.RotR (index_offset, 1);
} }
index_offset %= 0x401; index_offset %= 0x401;
index_offset += 0x4A; index_offset += 0x4A;
byte[] index = new byte[4*count]; byte[] index = file.View.ReadBytes (index_offset, (uint)(4*count));
if (index.Length != file.View.Read (index_offset, index, 0, (uint)index.Length)) if (index.Length != 4*count)
return null; return null;
byte[] index_key = new byte[index.Length]; byte[] index_key = new byte[index.Length];
@ -116,6 +116,8 @@ namespace GameRes.Formats.Xuse
{ {
current_offset += 4; current_offset += 4;
uint entry_offset = next_offset; uint entry_offset = next_offset;
if (entry_offset >= file.MaxOffset)
return null;
if (i + 1 == count) if (i + 1 == count)
next_offset = (uint)file.MaxOffset; next_offset = (uint)file.MaxOffset;
else else