private ABItem LoadAssetBundle(string abName)
{
Debug.Log("同步加载AB包: " + abName);
Assert.IsFalse(m_loadingABNames.Contains(abName), "在异步加载尚未结束时不能再同步加载AB包：" + abName);
// AB包的依赖项
string[] dependence = null;
m_ABToDependence.TryGetValue(abName, out dependence);
if (dependence != null && dependence.Length > 0)
{
for (int i = 0; i < dependence.Length; i++)
{
LoadAssetBundle(dependence[i]);
}
}
// AB包本身
ABItem abItem = null;
m_loadedABs.TryGetValue(abName, out abItem);
if (abItem != null)
{
abItem.Retain();
}
else
{
string abPath = ABUtility.ABAbsolutePath + abName;
Debug.Log("Path：" + abPath);
AssetBundle ab = AssetBundle.LoadFromFile(abPath);
abItem = GameMgr.m_ObjectMgr.Spawn <ABItem>();
abItem.Init(ab, abName);
m_loadedABs[abName] = abItem;
}
Debug.Log(string.Format("同步加载AB包完毕: {0} 引用 {1}", abName, abItem.ReferencedCount));
return(abItem);
}
private IEnumerator LoadAssetBundleAsync(string abName, Action <ABItem> successCall, Action failCall = null)
{
Debug.Log("异步加载AB包: " + abName);
// AB包的依赖项
string[] dependence = null;
m_ABToDependence.TryGetValue(abName, out dependence);
if (dependence != null && dependence.Length > 0)
{
for (int i = 0; i < dependence.Length; i++)
{
GameMgr.StartCoroutine(LoadAssetBundleAsync(dependence[i], null));
}
}
// AB包本身
ABItem abItem = null;
m_loadedABs.TryGetValue(abName, out abItem);
if (abItem != null)
{
abItem.Retain();
Debug.Log(string.Format("异步加载AB包完毕: {0} 引用 {1}", abName, abItem.ReferencedCount));
successCall?.Invoke(abItem);
}
else
{
string abPath = ABUtility.ABAbsolutePath + abName;
// 加载中
if (m_loadingABNames.Contains(abName))
{
yield return(m_loadedABs.ContainsKey(abName));
abItem = m_loadedABs[abName];
abItem.Retain();
Debug.Log(string.Format("异步加载AB包完毕: {0} 引用 {1}", abName, abItem.ReferencedCount));
successCall?.Invoke(abItem);
}
else
{
// 从头加载
Debug.Log("Path：" + abPath);
m_loadingABNames.Add(abName);
var abRequest = AssetBundle.LoadFromFileAsync(abPath);
yield return(abRequest.isDone);
abItem = GameMgr.m_ObjectMgr.Spawn <ABItem>();
abItem.Init(abRequest.assetBundle, abName);
m_loadedABs[abName] = abItem;
m_loadingABNames.Remove(abName);
Debug.Log(string.Format("异步加载AB包完毕: {0} 引用 {1}", abName, abItem.ReferencedCount));
successCall?.Invoke(abItem);
}
}
}
