internal static void InstallEvents(bool server)
{
Dispatch.Install <DownloadItemResult_t>(x =>
{
if (x.AppID == SteamClient.AppId)
{
OnDownloadItemResult?.Invoke(x.Result);
Ugc.Item item = new Ugc.Item(x.PublishedFileId);
if (item.IsInstalled && (onItemInstalled?.ContainsKey(x.PublishedFileId) ?? false))
{
onItemInstalled[x.PublishedFileId]?.Invoke();
onItemInstalled.Remove(x.PublishedFileId);
}
}
}, server);
Dispatch.Install <ItemInstalled_t>(x =>
{
if (x.AppID == SteamClient.AppId)
{
GlobalOnItemInstalled?.Invoke(x.PublishedFileId);
if (onItemInstalled?.ContainsKey(x.PublishedFileId) ?? false)
{
onItemInstalled[x.PublishedFileId]?.Invoke();
onItemInstalled.Remove(x.PublishedFileId);
}
}
}, server);
}
internal void Init(Steamworks.Ugc.Item item)
{
string previewImageUrl;
bool flag;
string description;
string title;
this.Item = new Steamworks.Ugc.Item?(item);
if (this.Name)
{
TextMeshProUGUI name = this.Name;
ref Nullable nullablePointer = ref this.Item;
if (nullablePointer.HasValue)
{
title = nullablePointer.GetValueOrDefault().Title;
}
else
{
title = null;
}
name.text = title;
}
/// <summary>
/// Will attempt to download this item asyncronously - allowing you to instantly react to its installation
/// </summary>
/// <param name="fileId">The ID of the file you want to download</param>
/// <param name="progress">An optional callback</param>
/// <param name="ct">Allows you to send a message to cancel the download anywhere during the process</param>
/// <param name="milisecondsUpdateDelay">How often to call the progress function</param>
/// <returns>true if downloaded and installed correctly</returns>
public static async Task <bool> DownloadAsync(
PublishedFileId fileId,
Action <float> progress = null,
Action <string> onError = null,
int milisecondsUpdateDelay = 60,
CancellationToken ct = default,
bool highPriority = true)
{
progress?.Invoke(0.00f);
if (ct == default)
{
ct = new CancellationTokenSource(TimeSpan.FromSeconds(60)).Token;
}
Ugc.Item?itemNullable = await Ugc.Item.GetAsync(fileId);
progress?.Invoke(0.05f);
if (!itemNullable.HasValue)
{
onError?.Invoke($"Workshop item (id: " + fileId.Value + ") failed to load or doesn't exist.");
return(false);
}
Ugc.Item item = itemNullable.Value;
bool itemDownloaded = false;
Result?downloadError = null;
Action <DownloadItemResult> onDownloadResult = r =>
{
if (r.AppID == SteamClient.AppId && r.PublishedFileId == fileId)
{
if (r.Result != Result.OK)
{
downloadError = r.Result;
}
else
{
itemDownloaded = true;
}
}
};
try
{
OnDownloadItemResult += onDownloadResult;
progress?.Invoke(0.1f);
if (Download(fileId, highPriority) == false)
{
return(false);
}
await Task.Delay(milisecondsUpdateDelay); //have to wait here otherwise first DownloadAmount is 1
while (itemDownloaded == false && downloadError == null)
{
var state = item.State;
if (ct.IsCancellationRequested)
{
break;
}
//waiting for download to start
if (state.HasFlag(ItemState.DownloadPending) &&
!state.HasFlag(ItemState.Downloading))
{
progress?.Invoke(0.2f);
}
else
{
progress?.Invoke(0.2f + item.DownloadAmount * 0.8f);
}
//skip whole OnDownloadItemResult call as it doesn't work for everyone
if (!state.HasFlag(ItemState.DownloadPending) &&
!state.HasFlag(ItemState.Downloading) &&
!state.HasFlag(ItemState.NeedsUpdate))
{
break;
}
await Task.Delay(milisecondsUpdateDelay);
}
await Task.Delay(milisecondsUpdateDelay);
if (downloadError != null)
{
onError?.Invoke("Download item result error: " + downloadError.ToString());
return(false);
}
progress?.Invoke(1.0f);
return(true);
}
finally
{
OnDownloadItemResult -= onDownloadResult;
}
}