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(ArcOpener): use some shortcut methods.

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This commit is contained in:
morkt 2015-12-20 09:29:04 +04:00
parent b592a7dd52
commit 27c07a3821
1 changed files with 3 additions and 4 deletions
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7
ArcFormats/ArcAST.cs
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@ -59,7 +59,7 @@ namespace GameRes.Formats.AST
{ {
int version = file.View.ReadByte (3) - 0x30; int version = file.View.ReadByte (3) - 0x30;
int count = file.View.ReadInt32 (4); int count = file.View.ReadInt32 (4);
if (count <= 0 || count > 0xfffff) if (!IsSaneCount (count))
return null; return null;
var name_buf = new byte[32]; var name_buf = new byte[32];
var dir = new List<Entry> (count); var dir = new List<Entry> (count);
@ -111,10 +111,9 @@ namespace GameRes.Formats.AST
{ {
arc.File.View.Reserve (entry.Offset, entry.Size); arc.File.View.Reserve (entry.Offset, entry.Size);
var sig = arc.File.View.ReadUInt32 (entry.Offset); var sig = arc.File.View.ReadUInt32 (entry.Offset);
if (0xb8b1af76 == sig) if (0xB8B1AF76 == sig) // PNG signature ^ FF
{ {
var data = new byte[entry.Size]; var data = arc.File.View.ReadBytes (entry.Offset, entry.Size);
arc.File.View.Read (entry.Offset, data, 0, entry.Size);
for (int i = 0; i < data.Length; ++i) for (int i = 0; i < data.Length; ++i)
data[i] ^= 0xff; data[i] ^= 0xff;
return new MemoryStream (data); return new MemoryStream (data);