public override AssetAsyncLoad LoadAssetAsync(string assetName, UnityAction <Object> loadedCallback, UnityAction <float> progressCallback, AssetLoadPriority priority = AssetLoadPriority.Normal)
{
if (m_CurrentLoadTask != null)
{
if (m_AssetLoadList[(int)priority].ContainsKey(assetName))
{
var loadTask = m_AssetLoadList[(int)priority][assetName];
loadTask.AssetName = assetName;
var asyncLoad = new AssetAsyncLoad(assetName);
loadTask.AddCallback(asyncLoad, loadedCallback, progressCallback);
return(asyncLoad);
}
else
{
var loadTask = AssetLoadTask.GetAssetLoadTask();
loadTask.AssetName = assetName;
var asyncLoad = new AssetAsyncLoad(assetName);
loadTask.AddCallback(asyncLoad, loadedCallback, progressCallback);
m_AssetLoadList[(int)priority].Add(assetName, loadTask);
return(asyncLoad);
}
}
else
{
var loadTask = AssetLoadTask.GetAssetLoadTask();
loadTask.AssetName = assetName;
var asyncLoad = new AssetAsyncLoad(assetName);
loadTask.AddCallback(asyncLoad, loadedCallback, progressCallback);
m_CurrentLoadTask = loadTask;
StartLoadAsset();
return(asyncLoad);
}
}
IEnumerator LoadAsset(string assetName)
{
var loadRequest = Resources.LoadAsync(assetName);
if (m_CurrentLoadTask.HasProgressCallback)
{
while (!loadRequest.isDone)
{
m_CurrentLoadTask.SafeInvokeAllProgressCallback(loadRequest.progress);
yield return(null);
}
}
else
{
yield return(loadRequest);
}
m_AssetLoadDoneEvent.Invoke(assetName, loadRequest.asset);
m_CurrentLoadTask.SafeInvokeAllCallback(loadRequest.asset);
AssetLoadTask.ReleaseAssetLoadTask(m_CurrentLoadTask);
m_CurrentLoadTask = PopAssetLoadTask();
while (m_CurrentLoadTask != null)
{
var asset = AssetManager.Instance.ContainAsset(m_CurrentLoadTask.AssetName);
if (asset == null)
{
break;
}
m_CurrentLoadTask.SafeInvokeAllCallback(asset);
m_CurrentLoadTask = PopAssetLoadTask();
}
if (m_CurrentLoadTask != null)
{
StartLoadAsset();
}
}
IEnumerator LoadAsset(string assetName)
{
GetAssetDependencesForAysnc(assetName);
Object asset = null;
var progress = 0f;
var count = m_AssetAsyncLoadOrder.Count;
for (int i = 0; i < count; ++i)
{
var loadAssetName = m_AssetAsyncLoadOrder[i];
asset = AssetManager.Instance.ContainAsset(loadAssetName);
if (asset != null)
{
continue;
}
var assetBundlePath = m_AssetDependences[loadAssetName].AssetBundlePath;
var assetBundle = m_AssetBundleCollector.GetAssetBundle(assetBundlePath);
AssetBundleRequest assetbundleRequest = null;
if (assetBundle != null)
{
if (m_CurrentLoadTask.HasProgressCallback)
{
var deltaProgress = 1f / count;
assetbundleRequest = assetBundle.LoadAssetAsync(loadAssetName, typeof(Object));
while (!assetbundleRequest.isDone)
{
var tempProgress = progress + deltaProgress * assetbundleRequest.progress;
m_CurrentLoadTask.SafeInvokeAllProgressCallback(tempProgress);
yield return(null);
}
progress += deltaProgress;
m_CurrentLoadTask.SafeInvokeAllProgressCallback(progress);
}
else
{
assetbundleRequest = assetBundle.LoadAssetAsync(loadAssetName, typeof(Object));
yield return(assetbundleRequest);
}
asset = assetbundleRequest.asset;
m_AssetLoadDoneEvent(loadAssetName, asset);
m_AssetBundleCollector.AddAssetBundleReference(loadAssetName, assetBundlePath);
continue;
}
WWW www = null;
if (m_CurrentLoadTask.HasProgressCallback)
{
var deltaProgress = 1f / count;
www = new WWW(UGCoreConfig.GetAssetBundlePath(assetBundlePath));
while (!www.isDone)
{
var tempProgress = progress + deltaProgress * 0.5f * www.progress;
m_CurrentLoadTask.SafeInvokeAllProgressCallback(tempProgress);
yield return(null);
}
assetBundle = m_AssetBundleCollector.GetAssetBundle(assetBundlePath);
if (assetBundle == null)
{
assetBundle = www.assetBundle;
}
assetbundleRequest = assetBundle.LoadAssetAsync(loadAssetName, typeof(Object));
while (!assetbundleRequest.isDone)
{
var tempProgress = progress + deltaProgress * 0.5f * (1 + assetbundleRequest.progress);
m_CurrentLoadTask.SafeInvokeAllProgressCallback(tempProgress);
yield return(null);
}
progress += deltaProgress;
m_CurrentLoadTask.SafeInvokeAllProgressCallback(progress);
}
else
{
www = new WWW(UGCoreConfig.GetAssetBundlePath(assetBundlePath));
yield return(www);
assetBundle = m_AssetBundleCollector.GetAssetBundle(assetBundlePath);
if (assetBundle == null)
{
assetBundle = www.assetBundle;
}
assetbundleRequest = assetBundle.LoadAssetAsync(loadAssetName, typeof(Object));
yield return(assetbundleRequest);
}
asset = assetbundleRequest.asset;
m_AssetLoadDoneEvent(loadAssetName, asset);
m_AssetBundleCollector.AddAssetBundle(assetBundlePath, assetBundle);
m_AssetBundleCollector.AddAssetBundleReference(loadAssetName, assetBundlePath);
}
m_AssetLoadDoneEvent.Invoke(assetName, asset);
m_CurrentLoadTask.SafeInvokeAllCallback(asset);
AssetLoadTask.ReleaseAssetLoadTask(m_CurrentLoadTask);
m_CurrentLoadTask = PopAssetLoadTask();
while (m_CurrentLoadTask != null)
{
asset = AssetManager.Instance.ContainAsset(m_CurrentLoadTask.AssetName);
if (asset == null)
{
break;
}
m_CurrentLoadTask.SafeInvokeAllCallback(asset);
m_CurrentLoadTask = PopAssetLoadTask();
}
if (m_CurrentLoadTask != null)
{
StartLoadAsset();
}
}
public static void ReleaseAssetLoadTask(AssetLoadTask target)
{
s_AssetLoadTasks.Release(target);
}