public static bool IsFullyDownloaded(int version, Package package)
{
long actualSize = Utils.GetFolderSize(GetFolder(version, package));
if (actualSize == 0)
{
return(false);
}
long expectedSize = ManifestData.GetDownloadSize(version, package);
if (actualSize == expectedSize)
{
return(true);
}
Logging.Log($"Package {package} for version {version} is {actualSize} bytes, expected {expectedSize}");
if (actualSize > expectedSize)
{
Logging.Log("Package has additional, unexpected data. Assuming it was fully downloaded...");
return(true);
}
return(false);
}
private static void DownloadDepots(VersionUIComponent component)
{
var previousState = component.State;
component.State = VersionState.DownloadPending; // Pending until we acquire the lock
lock (downloadLock) {
int version = component.version;
Logging.Log($"Downloading depots for {version}");
var drive = new DriveInfo(new DirectoryInfo(ManifestData.DepotLocation).Root.FullName);
if (!drive.IsReady)
{
Logging.MessageBox("Drive unavailable", $"Steam install location is in drive {drive.Name}, which is unavailable.");
return;
}
var neededManifests = new List <SteamManifest>();
if (!IsFullyDownloaded(version, Package.Main))
{
neededManifests.AddRange(ManifestData.Get(version, Package.Main));
}
if (Settings.Default.ownsGehenna && !IsFullyDownloaded(version, Package.Gehenna))
{
neededManifests.AddRange(ManifestData.Get(version, Package.Gehenna));
}
if (Settings.Default.ownsPrototype && !IsFullyDownloaded(version, Package.Prototype))
{
neededManifests.AddRange(ManifestData.Get(version, Package.Prototype));
}
if (Settings.Default.wantsEditor && !IsFullyDownloaded(version, Package.Editor))
{
neededManifests.AddRange(ManifestData.Get(version, Package.Editor));
}
if (neededManifests.Count == 0)
{
Logging.Log($"Attempted to download manifests for {version}, but no manfiests applied.");
component.State = VersionState.Downloaded;
return;
}
if (Settings.Default.steamHack == false)
{
// Note: There are intentional tab characters in this string -- that's because it's a verbatim string.
Logging.MessageBox("Unable to download",
@"Steam has broken the download_depots command, so this version can't be downloaded.
To download versions, please change your beta participation in Steam, re-download the game, then re-launch the downpatcher.
Version | Steam beta
------------|------------------------
440323 | NONE
326589 | previousversion
252786 | legacy_winxp
244371 | speedrun-244371");
component.State = previousState;
return;
}
double totalDownloadSize = 0;
foreach (var manifest in neededManifests)
{
totalDownloadSize += manifest.size;
}
long freeSpace = drive.TotalFreeSpace;
if (drive.TotalFreeSpace < totalDownloadSize)
{
Logging.MessageBox("Not enough space",
$@"Steam install location is in drive {drive.Name}
has {Math.Round(freeSpace / 1000000000.0, 1)} GB of free space
but {Math.Round(totalDownloadSize / 1000000000.0, 1)} GB are required.");
return;
}
component.State = VersionState.Downloading;
{ // Keep steam interaction close together, to avoid accidental user interference
SteamCommand.OpenConsole();
Thread.Sleep(10);
foreach (var manifest in neededManifests)
{
SteamCommand.DownloadDepot(manifest.appId, manifest.depotId, manifest.manifestId);
}
MainWindow.SetForeground();
}
Thread.Sleep(5000); // Extra sleep to avoid a race condition where we check for depots before they're actually cleared.
while (true)
{
long actualSize = 0;
foreach (var manifest in neededManifests)
{
actualSize += Utils.GetFolderSize(manifest.location);
}
component.SetProgress(0.8 * actualSize / totalDownloadSize); // 80% - Downloading
if (actualSize == totalDownloadSize)
{
break;
}
Thread.Sleep(1000);
}
component.State = VersionState.Saving;
long copied = 0;
// @Performance: Start copying while downloads are in progress?
foreach (var manifest in neededManifests)
{
CopyAndOverwrite(manifest.location, GetFolder(version, manifest.package), delegate(long fileSize) {
copied += fileSize;
component.SetProgress(0.8 + 0.2 * (copied / totalDownloadSize)); // 20% - Copying
});
}
if (drive.TotalFreeSpace < 5 * totalDownloadSize)
{
Logging.Log("Low on disk space, clearing download directory");
Directory.Delete(ManifestData.DepotLocation, true);
}
component.State = VersionState.Downloaded;
}
}