void IfUseErrorType(AssetLoading operation)
{
bool needLog = false;
if (operation.LoadingPattern == AssetLoadingPattern.Simulation)
{
#if UNITY_EDITOR
string[] assetPaths = UnityEditor.AssetDatabase.GetAssetPathsFromAssetBundleAndAssetName(operation.BundleName, operation.Name);
if (assetPaths != null && assetPaths.Length > 0)
{
needLog = true;
}
#endif
}
else
{
if (_loadedAssetBundles.ContainsKey(operation.BundleName))
{
var loadedBundle = _loadedAssetBundles[operation.BundleName];
if (loadedBundle.Bundle != null)
{
if (loadedBundle.Bundle.Contains(operation.Name))
{
needLog = true;
}
}
}
}
if (needLog)
{
_logger.WarnFormat("AssetBundles {0} Has {1} But You Use The Error Type {2} To Loader", operation.BundleName, operation.Name, operation.ObjectType);
}
}
private async Task <Dictionary <AssetItem, object> > BuildAndReloadAssets(IEnumerable <AssetItem> assetsToRebuild)
{
var assetList = assetsToRebuild.ToList();
if (assetList.Count == 0)
{
return(null);
}
logger?.Debug($"Starting BuildAndReloadAssets for assets {string.Join(", ", assetList.Select(x => x.Location))}");
var value = Interlocked.Increment(ref loadingAssetCount);
AssetLoading?.Invoke(this, new ContentLoadEventArgs(value));
try
{
// Rebuild the assets
await Task.WhenAll(assetList.Select(x => database.Build(x)));
logger?.Debug("Assets have been built");
// Unload the previous versions of assets and (re)load the newly build ones.
var reloadedObjects = await UnloadAndReloadAssets(assetList);
Game.TriggerActiveRenderStageReevaluation();
return(reloadedObjects);
}
finally
{
value = Interlocked.Decrement(ref loadingAssetCount);
AssetLoaded?.Invoke(this, new ContentLoadEventArgs(value));
logger?.Debug($"Completed BuildAndReloadAssets for assets {string.Join(", ", assetList.Select(x => x.Location))}");
}
}
public static void AddLastExt(this LinkedList <AssetLoading> list, AssetLoading assetLoading)
{
if (assetLoading == null)
{
throw new Exception("Null AssetLoading!!");
}
list.AddLast(assetLoading);
}
// 异步LoadAllAssets方法
public void LoadAllAssetsAsync(Action <UnityEngine.Object[]> callback)
{
if (loadingAll != null)
{
loadingAll.callback.Add(callback);
return;
}
loadingAll = new AssetLoading <UnityEngine.Object[]>();
loadingAll.callback.Add(callback);
GameMain.Instance.StartCoroutine(LoadAllAssetsCoroutine());
}
// 异步GatAB，允许回调为空
public static void GetABAsync(string assetbundleName, Action <AssetBundleRef> callback = null)
{
AssetBundleRef abRef;
if (abDict.TryGetValue(assetbundleName, out abRef))
{
// 缓存命中
abRef.Retain();
if (callback != null)
{
callback(abRef);
}
}
else
{
AssetLoading <AssetBundleRef> loading;
// 检查是否已在loading
if (loadingDict.TryGetValue(assetbundleName, out loading))
{
//将本次回调添加到load回调就完事了
if (callback != null)
{
loading.callback.Add(callback);
}
loading.refCount++;
return;
}
loading = new AssetLoading <AssetBundleRef>();
loadingDict.Add(assetbundleName, loading);
if (callback != null)
{
loading.callback.Add(callback);
}
// 异步加载
AssetBundleLoader.LoadAsync(assetbundleName, (assetbundle) =>
{
abRef = new AssetBundleRef(assetbundleName, assetbundle);
CheckShouldCacheSpriteAsync(abRef, () =>
{
CacheAB(abRef);
loadingDict.Remove(assetbundleName);
abRef.Retain(loading.refCount - 1); // ref默认是1,所以只需retain refCount - 1
loading.FireCallBack(abRef);
});
});
}
}
// 释放，命名与destroy区分开
void dealloc()
{
foreach (KeyValuePair <string, AssetLoading <UnityEngine.Object> > kv in loadingDict)
{
kv.Value.FireCallBack(null);
}
loadingDict = null; // 让协程知道该assetbundle已被release
if (loadingAll != null)
{
loadingAll.FireCallBack(null);
loadingAll = null;
}
Unload(true);
AssetBundleManager.UnloadAB(this._name);
}
// Load All 协程实现
IEnumerator LoadAllAssetsCoroutine()
{
AssetBundleRequest request = this.assetBundle.LoadAllAssetsAsync();
while (!request.isDone)
{
if (loadingAll == null)
{
break;
}
yield return(false);
}
if (loadingAll != null)
{
loadingAll.FireCallBack(request.allAssets);
loadingAll = null;
}
}
// 异步加载资源
public void LoadAsync(string assetName, Action <UnityEngine.Object> callback, Type resType = null)
{
AssetLoading <UnityEngine.Object> assetLoading;
UnityEngine.Object obj;
// 先判断该资源是否已经在loading字典中
if (loadingDict.TryGetValue(assetName, out assetLoading))
{
// 已在loading，将回调添加上去
assetLoading.callback.Add(callback);
return;
}
// 创建一个loading
assetLoading = new AssetLoading <UnityEngine.Object>();
assetLoading.callback.Add(callback);
loadingDict.Add(assetName, assetLoading);
// 开始异步加载资源
GameMain.Instance.StartCoroutine(LoadAssetCoroutine(assetBundle, assetName, resType == null ? typeof(UnityEngine.Object) : resType));
}
public static void InvokeAssetLoading() => AssetLoading?.Invoke();
//TODO 这个方法有些复杂，说明需要简化逻辑
public override void LoadAsync(GameResType type, string name, Action <UnityEngine.Object> callback, Type resType = null)
{
GameBundleInfo data;
// 检查资源
if (CheckRes(type, name, out data))
{
AssetBundleRef abRef;
/*
* 测试发现，异步从ab包加载资源时，即使该assetbundle已被unload(true)，仍可以载到奇怪的资源，且能被添加到场景上
* 而loader被释放可能引起assetbundle被unload
*/
Action <UnityEngine.Object> checkCallBack = (asset) => //检查异步加载资源结束时，是否该loader已被释放
{
if (abrDict == null || loadingDict == null) // 为null视为已释放
{
callback(null); // 直接回调null
}
else
{
callback(asset); // 正常回调上层
}
};
if (abrDict.TryGetValue(data.assetbundle, out abRef))
{
abRef.LoadAsync(name, checkCallBack); // 缓存命中
}
else
{
// 缓存未命中，则要去加载ab，先声明ab载完回调
Action <AssetBundleRef> loadABCallback = (assetbundleRef) =>
{
if (assetbundleRef == null)
{
checkCallBack(null);
}
else
{
assetbundleRef.LoadAsync(name, checkCallBack);
}
};
/*
* loadAssetbundle 可以考虑在继承monoLoader的情况下，自己startCoroutine，就不必处理协程结束，而自己已经被销毁的情况
*/
AssetLoading <AssetBundleRef> loading;
// 如果已经在异步load assetbundle
if (loadingDict.TryGetValue(data.assetbundle, out loading))
{
//将本次回调添加到load回调就完事了
loading.callback.Add(loadABCallback);
return;
}
// 创建一个loading
loading = new AssetLoading <AssetBundleRef>();
loadingDict.Add(data.assetbundle, loading);
loading.callback.Add(loadABCallback);
// 异步load Assetbundle
LoadABAsync(data.assetbundle, (assetbundleRef) => // 本地缓存未命中，向AssetManager异步请求AssetBundle
{
// 如果loader自身已被释放
if (abrDict == null || loadingDict == null)
{
loading.FireCallBack(null); // 回调null
}
// 正常添加到缓存，并回调
loadingDict.Remove(data.assetbundle);
loading.FireCallBack(assetbundleRef);
});
}
}
else
{
// 没找到这资源
callback(null);
}
}
private void View_ScriptNotify(object sender, NotifyEventArgs e)
{
var key = e.Value.Substring(0, 4);
var value = e.Value.Substring(4);
switch (key)
{
// Loading assets
case "LOAD":
{
AssetLoading?.Invoke(this, EventArgs.Empty);
break;
}
// Assets loaded
case "LODD":
{
_view.Opacity = 1;
AssetLoaded?.Invoke(this, EventArgs.Empty);
break;
}
// Camera alpha angle in radians
case "ALPH":
{
AlphaInDegrees = GetDegreeFromRadian(double.Parse(value));
break;
}
// Camera beta angle in radians
case "BETA":
{
BetaInDegrees = GetDegreeFromRadian(double.Parse(value));
break;
}
// Camera radius
case "RADI":
{
RadiusPercentage = double.Parse(value);
break;
}
// Animations are supported
case "ANIM":
{
if (_commandGrid == null)
{
return;
}
_commandGrid.Visibility = Visibility.Visible;
var animationNames = value.Split(',');
if (_animationList != null)
{
_animationList.Items.Clear();
foreach (var animName in animationNames)
{
_animationList.Items.Add(animName);
}
_animationList.SelectedIndex = 0;
_playSymbol.Visibility = Visibility.Collapsed;
_pauseSymbol.Visibility = Visibility.Visible;
}
break;
}
// No animation
case "NANM":
{
if (_commandGrid != null)
{
_commandGrid.Visibility = Visibility.Collapsed;
}
break;
}
// Current animation frame
case "FRAM":
{
if (_animationSlider == null || !_sliderLayoutUpdated)
{
return;
}
var position = Math.Min(1, Math.Max(0, double.Parse(value)));
// Making sure we are not overwhelming the system
_sliderLayoutUpdated = false;
_lastValueSetFromAnimation = position * 99.0;
_animationSlider.Value = _lastValueSetFromAnimation;
break;
}
}
}