/// <summary>
/// 加载AssetBundle打包信息
/// </summary>
private void loadAssetBundleBuildInfo()
{
// 确保之前加载的AB打包信息卸载彻底
if (mAssetBundleBuildInfo != null)
{
Resources.UnloadAsset(mAssetBundleBuildInfo);
mAssetBundleBuildInfo = null;
}
// AssetBundle打包信息比较特殊，在未加载完成前拿不到AB名字映射
// 所以这里单独特殊加载,不走正常流程
var abpath = AssetBundlePath.GetABLoadFullPath(ResourceConstData.AssetBundleBuildInfoAssetName);
AssetBundle ab = null;
ab = AssetBundle.LoadFromFile(abpath);
if (ab != null)
{
mAssetBundleBuildInfo = ab.LoadAsset <AssetBundleBuildInfoAsset>(ResourceConstData.AssetBundleBuildInfoAssetName);
mAssetBundleBuildInfo.init();
ab.Unload(false);
Debug.Log("AssetBundle打包信息文件加载成功!");
}
else
{
Debug.LogError($"找不到AssetBundle打包信息文件:{ResourceConstData.AssetBundleBuildInfoAssetName}");
}
}
/// <summary>
/// AB加载携程
/// </summary>
/// <returns></returns>
private IEnumerator assetBundleLoadAsync()
{
while (true)
{
if (ABAsyncQueue.Count > 0)
{
CurrentLoadingAssetBundleLoader = ABAsyncQueue.Dequeue();
//检查是否已经同步加载完成
//如果异步加载AB时，同步请求来了，打断异步后续逻辑
//LoadState == ResourceLoadState.None表明同步加载该资源已经完成，无需再异步返回
if (CurrentLoadingAssetBundleLoader.LoadState == ResourceLoadState.None)
{
//ResourceLogger.logWar("有资源还未开始异步加载就被同步加载打断!");
}
else
{
CurrentLoadingAssetBundleLoader.LoadState = ResourceLoadState.Loading;
var abname = CurrentLoadingAssetBundleLoader.AssetBundleName;
var abpath = AssetBundlePath.GetABLoadFullPath(abname);
AssetBundleCreateRequest abrequest = null;
#if UNITY_EDITOR
//因为资源不全，很多资源丢失，导致直接报错
//这里临时先在Editor模式下判定下文件是否存在，避免AssetBundle.LoadFromFileAsync()直接报错
if (System.IO.File.Exists(abpath))
{
abrequest = AssetBundle.LoadFromFileAsync(abpath);
}
else
{
Debug.LogError(string.Format("AB : {0}文件不存在！", CurrentLoadingAssetBundleLoader.AssetBundleName));
}
#else
abrequest = AssetBundle.LoadFromFileAsync(abpath);
#endif
yield return(abrequest);
//如果异步加载AB时，同步请求来了，打断异步后续逻辑
//LoadState == ResourceLoadState.None表明同步加载该资源已经完成，无需再异步返回
if (CurrentLoadingAssetBundleLoader.LoadState == ResourceLoadState.None)
{
ResourceLogger.log(string.Format("资源 : {0}加载已完成，异步加载被打断!", abname));
}
else
{
var assetbundle = abrequest.assetBundle;
if (assetbundle == null)
{
ResourceLogger.logErr(string.Format("Failed to load AssetBundle : {0}!", CurrentLoadingAssetBundleLoader.AssetBundleName));
}
CurrentLoadingAssetBundleLoader.onSelfABLoadComplete(assetbundle);
}
}
CurrentLoadingAssetBundleLoader = null;
}
else
{
yield return(null);
}
}
}
/// <summary>
/// 同步加载AB
/// </summary>
/// <returns></returns>
private void loadAssetBundleSync()
{
var abpath = AssetBundlePath.GetABLoadFullPath(AssetBundleName);
AssetBundle ab = null;
#if UNITY_EDITOR
//因为资源不全，很多资源丢失，导致直接报错
//这里临时先在Editor模式下判定下文件是否存在，避免AssetBundle.LoadFromFile()直接报错
if (System.IO.File.Exists(abpath))
{
ab = AssetBundle.LoadFromFile(abpath);
}
else
{
Debug.LogError(string.Format("AB : {0}文件不存在！", AssetBundleName));
}
#else
ab = AssetBundle.LoadFromFile(abpath);
#endif
onSelfABLoadComplete(ab);
}