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compatibility for old uncompressed backup files

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FabianFG 2020-05-19 20:11:49 +02:00
parent 6f7972e0db
commit d04a94e494
1 changed files with 14 additions and 3 deletions
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17
FModel/ViewModels/MenuItem/PakMenuItemViewModel.cs
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@ -15,6 +15,7 @@ using PakReader.Parsers.Objects;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics.Eventing.Reader;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
@ -253,12 +254,22 @@ namespace FModel.ViewModels.MenuItem
var oldFilesTemp = new Dictionary<string, FPakEntry>();
using FileStream fileStream = new FileStream(ofd.FileName, FileMode.Open);
using LZ4DecoderStream compressionStream = LZ4Stream.Decode(fileStream);
using (var target = new MemoryStream())
BinaryReader checkReader = new BinaryReader(fileStream);
bool isLz4 = checkReader.ReadUInt32() == 0x184D2204u;
fileStream.Seek(0, SeekOrigin.Begin);
var target = new MemoryStream();
if (isLz4)
{
using LZ4DecoderStream compressionStream = LZ4Stream.Decode(fileStream);
compressionStream.CopyTo(target);
}
else
{
fileStream.CopyTo(target);
}
using (target)
{
target.Position = 0;
using BinaryReader reader = new BinaryReader(target);
while (reader.BaseStream.Position < reader.BaseStream.Length)
{