- [Core] Fix bug where some buffers are unintentionally cached, causing undesired side effects.

This commit is contained in:
Razmoth
2024-01-25 11:20:14 +04:00
parent 5e35469435
commit 51a14820a8
9 changed files with 389 additions and 336 deletions

View File

@@ -1,4 +1,5 @@
using System; using System;
using System.Buffers;
using System.Runtime.CompilerServices; using System.Runtime.CompilerServices;
using Texture2DDecoder; using Texture2DDecoder;
@@ -32,7 +33,9 @@ namespace AssetStudio
return false; return false;
} }
var flag = false; var flag = false;
var buff = BigArrayPool<byte>.Shared.Rent(reader.Size); var buff = ArrayPool<byte>.Shared.Rent(reader.Size);
try
{
reader.GetData(buff); reader.GetData(buff);
switch (m_TextureFormat) switch (m_TextureFormat)
{ {
@@ -210,7 +213,12 @@ namespace AssetStudio
flag = DecodeRGBA64(buff, bytes); flag = DecodeRGBA64(buff, bytes);
break; break;
} }
BigArrayPool<byte>.Shared.Return(buff); }
finally
{
ArrayPool<byte>.Shared.Return(buff, true);
}
return flag; return flag;
} }

View File

@@ -1,6 +1,7 @@
using SixLabors.ImageSharp; using SixLabors.ImageSharp;
using SixLabors.ImageSharp.PixelFormats; using SixLabors.ImageSharp.PixelFormats;
using SixLabors.ImageSharp.Processing; using SixLabors.ImageSharp.Processing;
using System.Buffers;
using System.IO; using System.IO;
namespace AssetStudio namespace AssetStudio
@@ -17,7 +18,7 @@ namespace AssetStudio
public static Image<Bgra32> ConvertToImage(this Texture2D m_Texture2D, bool flip) public static Image<Bgra32> ConvertToImage(this Texture2D m_Texture2D, bool flip)
{ {
var converter = new Texture2DConverter(m_Texture2D); var converter = new Texture2DConverter(m_Texture2D);
var buff = BigArrayPool<byte>.Shared.Rent(m_Texture2D.m_Width * m_Texture2D.m_Height * 4); var buff = ArrayPool<byte>.Shared.Rent(m_Texture2D.m_Width * m_Texture2D.m_Height * 4);
try try
{ {
if (converter.DecodeTexture2D(buff)) if (converter.DecodeTexture2D(buff))
@@ -33,7 +34,7 @@ namespace AssetStudio
} }
finally finally
{ {
BigArrayPool<byte>.Shared.Return(buff); ArrayPool<byte>.Shared.Return(buff, true);
} }
} }

View File

@@ -1,10 +0,0 @@
using System.Buffers;
namespace AssetStudio
{
public static class BigArrayPool<T>
{
private static readonly ArrayPool<T> s_shared = ArrayPool<T>.Create(64 * 1024 * 1024, 3);
public static ArrayPool<T> Shared => s_shared;
}
}

View File

@@ -1,4 +1,5 @@
using System; using System;
using System.Buffers;
using System.Collections.Generic; using System.Collections.Generic;
using System.IO; using System.IO;
using System.Linq; using System.Linq;
@@ -124,8 +125,10 @@ namespace AssetStudio
var compressedSize = (int)blockInfo.compressedSize; var compressedSize = (int)blockInfo.compressedSize;
var uncompressedSize = (int)blockInfo.uncompressedSize; var uncompressedSize = (int)blockInfo.uncompressedSize;
var compressedBytes = BigArrayPool<byte>.Shared.Rent(compressedSize); var compressedBytes = ArrayPool<byte>.Shared.Rent(compressedSize);
var uncompressedBytes = BigArrayPool<byte>.Shared.Rent(uncompressedSize); var uncompressedBytes = ArrayPool<byte>.Shared.Rent(uncompressedSize);
try
{
reader.Read(compressedBytes, 0, compressedSize); reader.Read(compressedBytes, 0, compressedSize);
var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize); var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize);
@@ -138,8 +141,12 @@ namespace AssetStudio
} }
blocksStream.Write(uncompressedBytes, 0, uncompressedSize); blocksStream.Write(uncompressedBytes, 0, uncompressedSize);
BigArrayPool<byte>.Shared.Return(compressedBytes); }
BigArrayPool<byte>.Shared.Return(uncompressedBytes); finally
{
ArrayPool<byte>.Shared.Return(compressedBytes, true);
ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
}
} }
} }

View File

@@ -6,6 +6,7 @@ using System.Linq;
using System.Text; using System.Text;
using System.Text.RegularExpressions; using System.Text.RegularExpressions;
using System.Collections.Generic; using System.Collections.Generic;
using System.Buffers;
namespace AssetStudio namespace AssetStudio
{ {
@@ -445,7 +446,9 @@ namespace AssetStudio
case CompressionType.Lz4: //LZ4 case CompressionType.Lz4: //LZ4
case CompressionType.Lz4HC: //LZ4HC case CompressionType.Lz4HC: //LZ4HC
{ {
var uncompressedBytes = BigArrayPool<byte>.Shared.Rent((int)uncompressedSize); var uncompressedBytes = ArrayPool<byte>.Shared.Rent((int)uncompressedSize);
try
{
var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, (int)uncompressedSize); var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, (int)uncompressedSize);
var numWrite = LZ4.Decompress(blocksInfoBytesSpan, uncompressedBytesSpan); var numWrite = LZ4.Decompress(blocksInfoBytesSpan, uncompressedBytesSpan);
if (numWrite != uncompressedSize) if (numWrite != uncompressedSize)
@@ -453,7 +456,11 @@ namespace AssetStudio
throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes"); throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
} }
blocksInfoUncompresseddStream = new MemoryStream(uncompressedBytesSpan.ToArray()); blocksInfoUncompresseddStream = new MemoryStream(uncompressedBytesSpan.ToArray());
BigArrayPool<byte>.Shared.Return(uncompressedBytes); }
finally
{
ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
}
break; break;
} }
case CompressionType.Lz4Mr0k: //Lz4Mr0k case CompressionType.Lz4Mr0k: //Lz4Mr0k
@@ -544,9 +551,17 @@ namespace AssetStudio
case CompressionType.Lz4Mr0k when Game.Type.IsMhyGroup(): //Lz4Mr0k case CompressionType.Lz4Mr0k when Game.Type.IsMhyGroup(): //Lz4Mr0k
{ {
var compressedSize = (int)blockInfo.compressedSize; var compressedSize = (int)blockInfo.compressedSize;
var compressedBytes = BigArrayPool<byte>.Shared.Rent(compressedSize); var uncompressedSize = (int)blockInfo.uncompressedSize;
reader.Read(compressedBytes, 0, compressedSize);
var compressedBytes = ArrayPool<byte>.Shared.Rent(compressedSize);
var uncompressedBytes = ArrayPool<byte>.Shared.Rent(uncompressedSize);
try
{
var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize); var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize);
var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
reader.Read(compressedBytesSpan);
if (compressionType == CompressionType.Lz4Mr0k && Mr0kUtils.IsMr0k(compressedBytes)) if (compressionType == CompressionType.Lz4Mr0k && Mr0kUtils.IsMr0k(compressedBytes))
{ {
Logger.Verbose($"Block encrypted with mr0k, decrypting..."); Logger.Verbose($"Block encrypted with mr0k, decrypting...");
@@ -569,69 +584,81 @@ namespace AssetStudio
{ {
OPFPUtils.Decrypt(compressedBytesSpan, reader.FullPath); OPFPUtils.Decrypt(compressedBytesSpan, reader.FullPath);
} }
var uncompressedSize = (int)blockInfo.uncompressedSize;
var uncompressedBytes = BigArrayPool<byte>.Shared.Rent(uncompressedSize);
var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
var numWrite = LZ4.Decompress(compressedBytesSpan, uncompressedBytesSpan); var numWrite = LZ4.Decompress(compressedBytesSpan, uncompressedBytesSpan);
if (numWrite != uncompressedSize) if (numWrite != uncompressedSize)
{ {
throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes"); throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
} }
blocksStream.Write(uncompressedBytes, 0, uncompressedSize); blocksStream.Write(uncompressedBytesSpan);
BigArrayPool<byte>.Shared.Return(compressedBytes); }
BigArrayPool<byte>.Shared.Return(uncompressedBytes); finally
{
ArrayPool<byte>.Shared.Return(compressedBytes, true);
ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
}
break; break;
} }
case CompressionType.Lz4Inv when Game.Type.IsArknightsEndfield(): case CompressionType.Lz4Inv when Game.Type.IsArknightsEndfield():
{ {
var compressedSize = (int)blockInfo.compressedSize; var compressedSize = (int)blockInfo.compressedSize;
var compressedBytes = BigArrayPool<byte>.Shared.Rent(compressedSize); var uncompressedSize = (int)blockInfo.uncompressedSize;
reader.Read(compressedBytes, 0, compressedSize);
var compressedBytes = ArrayPool<byte>.Shared.Rent(compressedSize);
var uncompressedBytes = ArrayPool<byte>.Shared.Rent(uncompressedSize);
var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize); var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize);
var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
try
{
reader.Read(compressedBytesSpan);
if (i == 0) if (i == 0)
{ {
FairGuardUtils.Decrypt(compressedBytesSpan); FairGuardUtils.Decrypt(compressedBytesSpan);
} }
var uncompressedSize = (int)blockInfo.uncompressedSize;
var uncompressedBytes = BigArrayPool<byte>.Shared.Rent(uncompressedSize);
var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
var numWrite = LZ4Inv.Decompress(compressedBytesSpan, uncompressedBytesSpan); var numWrite = LZ4Inv.Decompress(compressedBytesSpan, uncompressedBytesSpan);
if (numWrite != uncompressedSize) if (numWrite != uncompressedSize)
{ {
throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes"); throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
} }
blocksStream.Write(uncompressedBytes, 0, uncompressedSize); blocksStream.Write(uncompressedBytesSpan);
BigArrayPool<byte>.Shared.Return(compressedBytes); }
BigArrayPool<byte>.Shared.Return(uncompressedBytes); finally
{
ArrayPool<byte>.Shared.Return(compressedBytes, true);
ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
}
break; break;
} }
case CompressionType.Zstd when !Game.Type.IsMhyGroup(): //Zstd case CompressionType.Zstd when !Game.Type.IsMhyGroup(): //Zstd
{ {
var compressedSize = (int)blockInfo.compressedSize; var compressedSize = (int)blockInfo.compressedSize;
var compressedBytes = BigArrayPool<byte>.Shared.Rent(compressedSize);
reader.Read(compressedBytes, 0, compressedSize);
var uncompressedSize = (int)blockInfo.uncompressedSize; var uncompressedSize = (int)blockInfo.uncompressedSize;
var uncompressedBytes = BigArrayPool<byte>.Shared.Rent(uncompressedSize);
var compressedBytes = ArrayPool<byte>.Shared.Rent(compressedSize);
var uncompressedBytes = ArrayPool<byte>.Shared.Rent(uncompressedSize);
try try
{ {
reader.Read(compressedBytes, 0, compressedSize);
using var decompressor = new Decompressor(); using var decompressor = new Decompressor();
var numWrite = decompressor.Unwrap(compressedBytes, 0, compressedSize, uncompressedBytes, 0, uncompressedSize); var numWrite = decompressor.Unwrap(compressedBytes, 0, compressedSize, uncompressedBytes, 0, uncompressedSize);
if (numWrite != uncompressedSize) if (numWrite != uncompressedSize)
{ {
throw new IOException($"Zstd decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes"); throw new IOException($"Zstd decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
} }
blocksStream.Write(uncompressedBytes.ToArray(), 0, uncompressedSize);
} }
catch(Exception ex) catch (Exception ex)
{ {
Console.WriteLine($"Zstd decompression error:\n{ex}"); Console.WriteLine($"Zstd decompression error:\n{ex}");
} }
finally
blocksStream.Write(uncompressedBytes.ToArray(), 0, uncompressedSize); {
BigArrayPool<byte>.Shared.Return(compressedBytes); ArrayPool<byte>.Shared.Return(compressedBytes, true);
BigArrayPool<byte>.Shared.Return(uncompressedBytes); ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
}
break; break;
} }
default: default:

View File

@@ -1981,7 +1981,7 @@ namespace AssetStudio
var aclClip = m_MuscleClip.m_Clip.m_ACLClip as GIACLClip; var aclClip = m_MuscleClip.m_Clip.m_ACLClip as GIACLClip;
var resourceReader = new ResourceReader(m_StreamData.path, assetsFile, m_StreamData.offset, m_StreamData.size); var resourceReader = new ResourceReader(m_StreamData.path, assetsFile, m_StreamData.offset, m_StreamData.size);
var ms = new MemoryStream(); using var ms = new MemoryStream();
ms.Write(aclClip.m_DatabaseData); ms.Write(aclClip.m_DatabaseData);
ms.Write(resourceReader.GetData()); ms.Write(resourceReader.GetData());

View File

@@ -815,7 +815,7 @@ namespace AssetStudio
return reader; return reader;
} }
MemoryStream ms = new MemoryStream(); MemoryStream ms = new();
if (version == 0x10) if (version == 0x10)
{ {
var buffer = (stackalloc byte[8]); var buffer = (stackalloc byte[8]);
@@ -929,7 +929,7 @@ namespace AssetStudio
} }
Logger.Verbose("Decrypted Reverse: 1999 file successfully !!"); Logger.Verbose("Decrypted Reverse: 1999 file successfully !!");
var stream = new MemoryStream(); MemoryStream stream = new();
stream.Write(signatureBytes); stream.Write(signatureBytes);
stream.Write(remaining); stream.Write(remaining);
stream.Position = 0; stream.Position = 0;

View File

@@ -1,4 +1,5 @@
using System; using System;
using System.Buffers;
using System.Collections.Generic; using System.Collections.Generic;
using System.IO; using System.IO;
using System.Linq; using System.Linq;
@@ -46,18 +47,21 @@ namespace AssetStudio
private void ReadBlocksInfoAndDirectory(FileReader reader) private void ReadBlocksInfoAndDirectory(FileReader reader)
{ {
int offset = 0x20;
var blocksInfo = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize); var blocksInfo = reader.ReadBytes((int)m_Header.compressedBlocksInfoSize);
DescrambleHeader(blocksInfo); DescrambleHeader(blocksInfo);
Logger.Verbose($"Descrambled blocksInfo signature {Convert.ToHexString(blocksInfo, 0 , 4)}"); Logger.Verbose($"Descrambled blocksInfo signature {Convert.ToHexString(blocksInfo, 0 , 4)}");
using var blocksInfoStream = new MemoryStream(blocksInfo, offset, (int)m_Header.compressedBlocksInfoSize - offset); using var blocksInfoStream = new MemoryStream(blocksInfo, 0x20, (int)m_Header.compressedBlocksInfoSize - 0x20);
using var blocksInfoReader = new EndianBinaryReader(blocksInfoStream); using var blocksInfoReader = new EndianBinaryReader(blocksInfoStream);
m_Header.uncompressedBlocksInfoSize = blocksInfoReader.ReadMhyUInt(); m_Header.uncompressedBlocksInfoSize = blocksInfoReader.ReadMhyUInt();
Logger.Verbose($"uncompressed blocksInfo size: 0x{m_Header.uncompressedBlocksInfoSize:X8}"); Logger.Verbose($"uncompressed blocksInfo size: 0x{m_Header.uncompressedBlocksInfoSize:X8}");
var compressedBlocksInfo = blocksInfoReader.ReadBytes((int)blocksInfoReader.Remaining); var compressedBlocksInfo = blocksInfoReader.ReadBytes((int)blocksInfoReader.Remaining);
var uncompressedBlocksInfo = BigArrayPool<byte>.Shared.Rent((int)m_Header.uncompressedBlocksInfoSize);
var uncompressedBlocksInfo = ArrayPool<byte>.Shared.Rent((int)m_Header.uncompressedBlocksInfoSize);
var uncompressedBlocksInfoSpan = uncompressedBlocksInfo.AsSpan(0, (int)m_Header.uncompressedBlocksInfoSize); var uncompressedBlocksInfoSpan = uncompressedBlocksInfo.AsSpan(0, (int)m_Header.uncompressedBlocksInfoSize);
try
{
var numWrite = LZ4.Decompress(compressedBlocksInfo, uncompressedBlocksInfoSpan); var numWrite = LZ4.Decompress(compressedBlocksInfo, uncompressedBlocksInfoSpan);
if (numWrite != m_Header.uncompressedBlocksInfoSize) if (numWrite != m_Header.uncompressedBlocksInfoSize)
{ {
@@ -65,7 +69,7 @@ namespace AssetStudio
} }
Logger.Verbose($"Writing block and directory to blocks stream..."); Logger.Verbose($"Writing block and directory to blocks stream...");
using var blocksInfoUncompressedStream = new MemoryStream(uncompressedBlocksInfo); using var blocksInfoUncompressedStream = new MemoryStream(uncompressedBlocksInfo, 0, (int)m_Header.uncompressedBlocksInfoSize);
using var blocksInfoUncompressedReader = new EndianBinaryReader(blocksInfoUncompressedStream); using var blocksInfoUncompressedReader = new EndianBinaryReader(blocksInfoUncompressedStream);
var nodesCount = blocksInfoUncompressedReader.ReadMhyInt(); var nodesCount = blocksInfoUncompressedReader.ReadMhyInt();
m_DirectoryInfo = new List<BundleFile.Node>(); m_DirectoryInfo = new List<BundleFile.Node>();
@@ -97,8 +101,11 @@ namespace AssetStudio
Logger.Verbose($"Block {i} Info: {m_BlocksInfo[i]}"); Logger.Verbose($"Block {i} Info: {m_BlocksInfo[i]}");
} }
}
BigArrayPool<byte>.Shared.Return(uncompressedBlocksInfo); finally
{
ArrayPool<byte>.Shared.Return(uncompressedBlocksInfo, true);
}
} }
private Stream CreateBlocksStream(string path) private Stream CreateBlocksStream(string path)
@@ -124,25 +131,31 @@ namespace AssetStudio
throw new Exception($"Wrong compressed length: {compressedSize}"); throw new Exception($"Wrong compressed length: {compressedSize}");
} }
var compressedBytes = BigArrayPool<byte>.Shared.Rent(compressedSize); var compressedBytes = ArrayPool<byte>.Shared.Rent(compressedSize);
var uncompressedBytes = BigArrayPool<byte>.Shared.Rent(uncompressedSize); var uncompressedBytes = ArrayPool<byte>.Shared.Rent(uncompressedSize);
reader.Read(compressedBytes, 0, compressedSize);
var offset = 0xC; try
{
var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize); var compressedBytesSpan = compressedBytes.AsSpan(0, compressedSize);
var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize); var uncompressedBytesSpan = uncompressedBytes.AsSpan(0, uncompressedSize);
reader.Read(compressedBytesSpan);
DescrambleEntry(compressedBytesSpan); DescrambleEntry(compressedBytesSpan);
Logger.Verbose($"Descrambled block signature {Convert.ToHexString(compressedBytes, 0, 4)}"); Logger.Verbose($"Descrambled block signature {Convert.ToHexString(compressedBytes, 0, 4)}");
var numWrite = LZ4.Decompress(compressedBytesSpan[offset..], uncompressedBytesSpan); var numWrite = LZ4.Decompress(compressedBytesSpan[0xC..], uncompressedBytesSpan);
if (numWrite != uncompressedSize) if (numWrite != uncompressedSize)
{ {
throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes"); throw new IOException($"Lz4 decompression error, write {numWrite} bytes but expected {uncompressedSize} bytes");
} }
blocksStream.Write(uncompressedBytes, 0, uncompressedSize); blocksStream.Write(uncompressedBytesSpan);
BigArrayPool<byte>.Shared.Return(compressedBytes); }
BigArrayPool<byte>.Shared.Return(uncompressedBytes); finally
{
ArrayPool<byte>.Shared.Return(compressedBytes, true);
ArrayPool<byte>.Shared.Return(uncompressedBytes, true);
}
} }
} }

View File

@@ -1,4 +1,5 @@
using System; using System;
using System.Buffers;
using System.Collections.Generic; using System.Collections.Generic;
using System.IO; using System.IO;
using System.Text; using System.Text;
@@ -94,7 +95,9 @@ namespace AssetStudio
Logger.Verbose($"Prased signature: {signature}"); Logger.Verbose($"Prased signature: {signature}");
var signatureBytes = Encoding.UTF8.GetBytes(signature); var signatureBytes = Encoding.UTF8.GetBytes(signature);
var buffer = BigArrayPool<byte>.Shared.Rent(BufferSize); var buffer = ArrayPool<byte>.Shared.Rent(BufferSize);
try
{
while (Remaining > 0) while (Remaining > 0)
{ {
var index = 0; var index = 0;
@@ -110,7 +113,11 @@ namespace AssetStudio
index++; index++;
} }
} }
BigArrayPool<byte>.Shared.Return(buffer); }
finally
{
ArrayPool<byte>.Shared.Return(buffer, true);
}
} }
} }
} }