// Update this asset bundle.
public void Tick()
{
float progressSum = 0;
bool done = true;
// Update each async request and recalculate data.
for (int i = 0; i < asyncRequests.Length; i++)
{
AsyncResourceRequest request = asyncRequests [i];
request.Tick();
progressSum += request.Progress();
if (!request.IsDone())
{
done = false;
}
}
// If finished, fire callback.
if (done && callback != null)
{
callback();
callback = null;
}
// Record data.
progress = progressSum / asyncRequests.Length;
isDone = done;
}
/// <summary>
/// 异步加载资源
/// </summary>
/// <param name="resourceName">资源名称</param>
/// <param name="func">加载成功的回调</param>
public void LoadAsync(string resourceName, LuaFunction func)
{
var resourceRequest = new AsyncResourceRequest();
resourceRequest.ResourceName = resourceName;
resourceRequest.CallBack = func;
resourceRequest.Id = Time.realtimeSinceStartup;
_asyncResourceRequestList.Add(resourceRequest);
StartLoadAsync();
}
// Constructor for an AsyncResourceRequestBundle.
public AsyncResourceRequestBundle(ResourceRequest[] requests, Action callback)
{
// Create AsyncResourceRequest objects for each request.
asyncRequests = new AsyncResourceRequest[requests.Length];
for (int i = 0; i < requests.Length; i++)
{
asyncRequests [i] = new AsyncResourceRequest(requests [i], null);
}
// Register callback.
this.callback = callback;
}
// Update all pending async load requests.
public static void Update()
{
// Keep a running list of the requests that are finished and need to get cleared in a cleanup pass.
List <int> toRemove = new List <int> ();
int i;
// Update pass for single requests.
for (i = 0; i < singleRequests.Count; i++)
{
// Update the request.
AsyncResourceRequest request = singleRequests [i];
request.Tick();
// If done, mark for removal and fire callback.
if (request.IsDone())
{
toRemove.Add(i);
}
}
// Garbage collection pass for single requests.
for (i = 0; i < toRemove.Count; i++)
{
singleRequests.RemoveAt(toRemove [i]);
}
// Clear garbage collection tracker.
toRemove.Clear();
// Update pass for bundle requests.
for (i = 0; i < bundleRequests.Count; i++)
{
// Update the request bundle.
AsyncResourceRequestBundle bundle = bundleRequests [i];
bundle.Tick();
// If done, mark for removal and fire callback.
if (bundle.IsDone())
{
toRemove.Add(i);
}
}
// Garbage collection pass for bundle requests.
for (i = 0; i < toRemove.Count; i++)
{
bundleRequests.RemoveAt(toRemove [i]);
}
}