private static void OpenArchiveBackgroundWork(object?sender, DoWorkEventArgs e)
{
_archive = MpqArchive.Open((string)e.Argument, true);
_archive.DiscoverFileNames();
var mapsList = new HashSet <string>();
if (_archive.IsCampaignArchive(out var campaignInfo))
{
for (var i = 0; i < campaignInfo.Maps.Count; i++)
{
mapsList.Add(campaignInfo.Maps[i].MapFilePath);
}
}
else
{
using var mpqStream = _archive.OpenFile(MapInfo.FileName);
using var reader = new BinaryReader(mpqStream);
_originPatch = reader.ReadMapInfo().GetOriginGamePatch();
}
var listViewItems = new List <ListViewItem>();
var possibleOriginPatches = new HashSet <GamePatch>();
var files = _archive.ToList();
var progress = new OpenArchiveProgress();
progress.Maximum = files.Count;
foreach (var file in files)
{
if (mapsList.Contains(file.FileName))
{
var mapName = file.FileName;
using var mapArchiveStream = _archive.OpenFile(mapName);
using var mapArchive = MpqArchive.Open(mapArchiveStream, true);
mapArchive.DiscoverFileNames();
var children = new List <ListViewItem>();
var mapFiles = mapArchive.ToList();
progress.Maximum += mapFiles.Count;
foreach (var mapFile in mapArchive)
{
var subItem = ListViewItemExtensions.Create(new ItemTag(mapArchive, mapFile, mapName));
subItem.IndentCount = 1;
children.Add(subItem);
_openArchiveWorker.ReportProgress(0, progress);
}
using (var mapInfoFileStream = mapArchive.OpenFile(MapInfo.FileName))
{
using var reader = new BinaryReader(mapInfoFileStream);
var mapArchiveOriginPatch = reader.ReadMapInfo().GetOriginGamePatch();
var mapArchiveItem = ListViewItemExtensions.Create(new ItemTag(_archive, file, children.ToArray(), mapArchiveOriginPatch));
listViewItems.Add(mapArchiveItem);
_openArchiveWorker.ReportProgress(0, progress);
if (mapArchiveOriginPatch.HasValue)
{
possibleOriginPatches.Add(mapArchiveOriginPatch.Value);
}
}
foreach (var child in children)
{
listViewItems.Add(child);
}
}
else
{
var item = ListViewItemExtensions.Create(new ItemTag(_archive, file));
listViewItems.Add(item);
_openArchiveWorker.ReportProgress(0, progress);
}
}
if (_originPatch is null)
{
_originPatch = possibleOriginPatches.Count == 1 ? possibleOriginPatches.Single() : _latestPatch;
}
e.Result = listViewItems;
}
