public IEnumerator Preload(AssetBundleLoader loader, PreloadList preloadList, Action <string[], Action, Action> onBeforePreloading, Action <double> progress, Action done, Action <int, string, AutoyaStatus> preloadFailed, Action <string, AssetBundleLoadError, string, AutoyaStatus> bundlePreloadFailed, int maxParallelCount = 1)
{
if (0 < maxParallelCount)
{
// pass.
}
else
{
yield return(null);
preloadFailed(-1, "maxParallelCount is negative or 0. unable to start preload.", new AutoyaStatus());
yield break;
}
if (loader != null)
{
// pass.
}
else
{
yield return(null);
preloadFailed(-1, "attached AssetBundleLoader is null. unable to start preload.", new AutoyaStatus());
yield break;
}
if (preloadList != null)
{
// pass.
}
else
{
yield return(null);
preloadFailed(-1, "preloadList is null. unable to start preload.", new AutoyaStatus());
yield break;
}
/*
* check if preloadList's assetBundleNames are contained by assetBundleList.
*/
var targetAssetBundleNames = preloadList.bundleNames;
var assetBundleListContainedAssetBundleNames = loader.GetWholeBundleNames();
// start preload assetBundles.
var loadingCoroutines = new Queue <IEnumerator>();
var currentDownloadCount = 0;
// define.
var totalLoadingCoroutinesCount = 0;
/*
* assetBundle downloaded actions.
*/
Action <string> bundlePreloadSucceededAct = (bundleName) =>
{
currentDownloadCount++;
// Debug.Log("bundleName:" + bundleName);
var count = ((currentDownloadCount * 100.0) / totalLoadingCoroutinesCount) * 0.01;
progress(count);
};
Action <string, AssetBundleLoadError, string, AutoyaStatus> bundlePreloadFailedAct = (bundleName, error, reason, autoyaStatus) =>
{
bundlePreloadFailed(bundleName, error, reason, autoyaStatus);
};
var wholeDownloadableAssetBundleNames = new List <string>();
foreach (var targetAssetBundleName in targetAssetBundleNames)
{
// skip not contained bundle.
if (!assetBundleListContainedAssetBundleNames.Contains(targetAssetBundleName))
{
continue;
}
// reserve this assetBundle name.
wholeDownloadableAssetBundleNames.Add(targetAssetBundleName);
// add only 1st level dependent AsstBundle Names.
var dependentBundleNames = loader.AssetBundleInfoFromBundleName(targetAssetBundleName).dependsBundleNames;
wholeDownloadableAssetBundleNames.AddRange(dependentBundleNames);
}
var shouldDownloadAssetBundleNamesCandidate = wholeDownloadableAssetBundleNames.Distinct().ToArray();
var shouldDownloadAssetBundleNames = new List <string>();
foreach (var shouldDownloadAssetBundleName in shouldDownloadAssetBundleNamesCandidate)
{
var bundleUrl = loader.GetAssetBundleDownloadUrl(shouldDownloadAssetBundleName);
var targetBundleInfo = loader.AssetBundleInfoFromBundleName(shouldDownloadAssetBundleName);
var hash = Hash128.Parse(targetBundleInfo.hash);
// ignore cached one.
if (Caching.IsVersionCached(bundleUrl, hash))
{
continue;
}
// ignore loaded one.
if (loader.IsAssetBundleCachedOnMemory(shouldDownloadAssetBundleName))
{
continue;
}
shouldDownloadAssetBundleNames.Add(shouldDownloadAssetBundleName);
}
// ここまでで、DLする対象のAssetBundleと、そのAssetBundleが依存しているAssetBundleまでが確保できている。
/*
* ask should continue or not before downloading target assetBundles.
* estimation is not considered about duplication of download same AssetBundle at same time.
* this is max case.
*/
var shouldContinueCor = shouldContinuePreloading(shouldDownloadAssetBundleNames.ToArray(), onBeforePreloading);
while (shouldContinueCor.MoveNext())
{
yield return(null);
}
var shouldContinue = shouldContinueCor.Current;
if (!shouldContinue)
{
done();
yield break;
}
/*
* bundles are not cached on storage. should start download.
*/
foreach (var shouldDownloadAssetBundleName in shouldDownloadAssetBundleNames)
{
var bundleLoadConId = AssetBundlesSettings.ASSETBUNDLES_PRELOADBUNDLE_PREFIX + Guid.NewGuid().ToString();
var bundleUrl = loader.GetAssetBundleDownloadUrl(shouldDownloadAssetBundleName);
var targetBundleInfo = loader.AssetBundleInfoFromBundleName(shouldDownloadAssetBundleName);
var crc = targetBundleInfo.crc;
var hash = Hash128.Parse(targetBundleInfo.hash);
if (loader.IsAssetBundleCachedOnMemory(shouldDownloadAssetBundleName))
{
// bundle is not cached on storage, but old bundle is no memory. need to unload it.
loader.UnloadOnMemoryAssetBundle(shouldDownloadAssetBundleName);
}
var bundlePreloadTimeoutTick = 0;// preloader does not have limit now.
/*
* AssetBundleのダウンロードを行う。
* 依存取得はoffで、ハンドリングはAssetBundleLoaderのものを使用する。
*/
var cor = loader.LoadAssetBundleThenNotUse(
shouldDownloadAssetBundleName,
crc,
hash,
false,// not download more dependency.
downloadedBundleName =>
{
bundlePreloadSucceededAct(downloadedBundleName);
},
(downloadedBundleName, error, reason, autoyaStatus) =>
{
bundlePreloadFailedAct(downloadedBundleName, error, reason, autoyaStatus);
},
bundlePreloadTimeoutTick
);
loadingCoroutines.Enqueue(cor);
}
// update total count to actual.
totalLoadingCoroutinesCount = loadingCoroutines.Count;
/*
* execute loading.
*/
var currentLoadingCoroutines = new IEnumerator[maxParallelCount];
while (true)
{
for (var j = 0; j < currentLoadingCoroutines.Length; j++)
{
var currentLoadingCoroutine = currentLoadingCoroutines[j];
if (currentLoadingCoroutine == null)
{
// set next coroutine to currentLoadingCoroutines.
if (0 < loadingCoroutines.Count)
{
var next = loadingCoroutines.Dequeue();
currentLoadingCoroutines[j] = next;
}
else
{
// no coroutine exists.
continue;
}
}
}
var loading = false;
for (var j = 0; j < currentLoadingCoroutines.Length; j++)
{
var cor = currentLoadingCoroutines[j];
if (cor == null)
{
continue;
}
var result = cor.MoveNext();
// just finished.
if (!result)
{
currentLoadingCoroutines[j] = null;
}
else
{
loading = true;
}
}
if (0 < loadingCoroutines.Count)
{
loading = true;
}
if (loading)
{
yield return(null);
}
else
{
// nothing loading.
break;
}
}
// every bundle downloading is done.
done();
}
public IEnumerator Preload(AssetBundleLoader loader, PreloadList preloadList, Action <string[], Action, Action> onBeforePreloading, Action <double> progress, Action done, Action <int, string, AutoyaStatus> preloadFailed, Action <string, int, string, AutoyaStatus> bundlePreloadFailed, int maxParallelCount = 1)
{
if (0 < maxParallelCount)
{
// pass.
}
else
{
yield return(null);
preloadFailed(-1, "maxParallelCount is negative or 0. unable to start preload.", new AutoyaStatus());
yield break;
}
if (loader != null)
{
// pass.
}
else
{
yield return(null);
preloadFailed(-1, "attached AssetBundleLoader is null. unable to start preload.", new AutoyaStatus());
yield break;
}
if (preloadList != null)
{
// pass.
}
else
{
yield return(null);
preloadFailed(-1, "preloadList is null. unable to start preload.", new AutoyaStatus());
yield break;
}
/*
* check if preloadList's assetBundleNames are contained by assetBundleList.
*/
var targetAssetBundleNames = preloadList.bundleNames;
var assetBundleListContainedAssetBundleNames = loader.GetWholeBundleNames();
// start preload assetBundles.
var loadingCoroutines = new Queue <IEnumerator>();
var currentDownloadCount = 0;
// define.
var totalLoadingCoroutinesCount = 0;
/*
* assetBundle downloaded actions.
*/
Action <string, object> bundlePreloadSucceededAct = (conId, obj) =>
{
// unload assetBundle anyway.
// downloaded assetBundle is cached on storage.
var bundle = obj as AssetBundle;
bundle.Unload(true);
currentDownloadCount++;
var count = ((currentDownloadCount * 100.0) / totalLoadingCoroutinesCount) * 0.01;
progress(count);
};
Action <string, int, string, AutoyaStatus> bundlePreloadFailedAct = (bundleName, code, reason, autoyaStatus) =>
{
bundlePreloadFailed(bundleName, code, reason, autoyaStatus);
};
var wholeDownloadableAssetBundleNames = new List <string>();
foreach (var targetAssetBundleName in targetAssetBundleNames)
{
// skip not contained bundle.
if (!assetBundleListContainedAssetBundleNames.Contains(targetAssetBundleName))
{
continue;
}
// reserve this assetBundle and dependencies as "should be download".
wholeDownloadableAssetBundleNames.Add(targetAssetBundleName);
var dependentBundleNames = loader.AssetBundleInfoFromBundleName(targetAssetBundleName).dependsBundleNames;
wholeDownloadableAssetBundleNames.AddRange(dependentBundleNames);
}
var shouldDownloadAssetBundleNamesCandidate = wholeDownloadableAssetBundleNames.Distinct().ToArray();
var shouldDownloadAssetBundleNames = new List <string>();
foreach (var shouldDownloadAssetBundleName in shouldDownloadAssetBundleNamesCandidate)
{
var bundleUrl = loader.GetAssetBundleDownloadUrl(shouldDownloadAssetBundleName);
var targetBundleInfo = loader.AssetBundleInfoFromBundleName(shouldDownloadAssetBundleName);
var hash = Hash128.Parse(targetBundleInfo.hash);
// ignore cached one.
if (Caching.IsVersionCached(bundleUrl, hash))
{
continue;
}
// ignore loaded one.
if (loader.IsAssetBundleCachedOnMemory(shouldDownloadAssetBundleName))
{
continue;
}
shouldDownloadAssetBundleNames.Add(shouldDownloadAssetBundleName);
}
/*
* ask should continue or not before downloading target assetBundles.
*/
var shouldContinueCor = shouldContinuePreloading(shouldDownloadAssetBundleNames.ToArray(), onBeforePreloading);
while (shouldContinueCor.MoveNext())
{
yield return(null);
}
var shouldContinue = shouldContinueCor.Current;
if (!shouldContinue)
{
done();
yield break;
}
/*
* bundles are not cached on storage. should start download.
*/
foreach (var shouldDownloadAssetBundleName in shouldDownloadAssetBundleNames)
{
var bundleLoadConId = AssetBundlesSettings.ASSETBUNDLES_PRELOADBUNDLE_PREFIX + Guid.NewGuid().ToString();
var bundleUrl = loader.GetAssetBundleDownloadUrl(shouldDownloadAssetBundleName);
var bundleReqHeader = assetBundleGetRequestHeaderDelegate(bundleUrl, new Dictionary <string, string>());
var targetBundleInfo = loader.AssetBundleInfoFromBundleName(shouldDownloadAssetBundleName);
var crc = targetBundleInfo.crc;
var hash = Hash128.Parse(targetBundleInfo.hash);
if (loader.IsAssetBundleCachedOnMemory(shouldDownloadAssetBundleName))
{
// bundle is not cached on storage, but old bundle is no memory. need to unload it.
loader.UnloadOnMemoryAssetBundle(shouldDownloadAssetBundleName);
}
var bundlePreloadTimeoutTick = 0;// preloader does not have limit now.
var cor = loader.DownloadAssetBundle(
shouldDownloadAssetBundleName,
bundleLoadConId,
bundleReqHeader,
bundleUrl,
crc,
hash,
(conId, code, responseHeaders, bundle) =>
{
httpResponseHandlingDelegate(conId, responseHeaders, code, bundle, string.Empty, bundlePreloadSucceededAct, bundlePreloadFailedAct);
},
(conId, code, reason, responseHeaders) =>
{
httpResponseHandlingDelegate(conId, responseHeaders, code, string.Empty, reason, bundlePreloadSucceededAct, bundlePreloadFailedAct);
},
bundlePreloadTimeoutTick
);
loadingCoroutines.Enqueue(cor);
}
// update total count to actual.
totalLoadingCoroutinesCount = loadingCoroutines.Count;
/*
* execute loading.
*/
var currentLoadingCoroutines = new IEnumerator[maxParallelCount];
while (true)
{
for (var j = 0; j < currentLoadingCoroutines.Length; j++)
{
var currentLoadingCoroutine = currentLoadingCoroutines[j];
if (currentLoadingCoroutine == null)
{
// set next coroutine to currentLoadingCoroutines.
if (0 < loadingCoroutines.Count)
{
var next = loadingCoroutines.Dequeue();
currentLoadingCoroutines[j] = next;
}
else
{
// no coroutine exists.
continue;
}
}
}
var loading = false;
for (var j = 0; j < currentLoadingCoroutines.Length; j++)
{
var cor = currentLoadingCoroutines[j];
if (cor == null)
{
continue;
}
var result = cor.MoveNext();
// just finished.
if (!result)
{
currentLoadingCoroutines[j] = null;
}
else
{
loading = true;
}
}
if (0 < loadingCoroutines.Count)
{
loading = true;
}
if (loading)
{
yield return(null);
}
else
{
// nothing loading.
break;
}
}
// every bundle downloading is done.
done();
}