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Add LZ decompression to CExe

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This commit is contained in:
Matt Nadareski
2022-12-28 17:24:55 -08:00
parent 25bed747f2
commit 0397d529bb
1 changed files with 16 additions and 3 deletions
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19
BurnOutSharp/PackerType/CExe.cs
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@@ -3,6 +3,7 @@ using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using BurnOutSharp.Compression;
using BurnOutSharp.Interfaces;
using BurnOutSharp.Matching;
using BurnOutSharp.Wrappers;
@@ -75,8 +76,8 @@ namespace BurnOutSharp.PackerType
// Determine which compression was used
bool zlib = pex.FindResourceByNamedType("99, 1").Any();
// Set the otuput data to write
byte[] data = null;
// Create the output data buffer
byte[] data;
// If we had the decompression DLL included, it's zlib
if (zlib)
@@ -104,7 +105,19 @@ namespace BurnOutSharp.PackerType
{
try
{
// TODO: Implement LZ decompression
LZ lz = new LZ();
Models.Compression.LZ.State src = lz.OpenFile(new MemoryStream(payload));
MemoryStream dstStream = new MemoryStream();
Models.Compression.LZ.State dst = lz.OpenFile(dstStream);
long read = lz.Copy(src, dst);
if (read < 0)
return null;
// Copy the data to the buffer
data = new ReadOnlySpan<byte>(dstStream.GetBuffer(), 0, (int)dstStream.Position).ToArray();
lz.Close(src);
lz.Close(dst);
}
catch
{