/// <summary>
/// 底层加载函数，异步加载unity压缩过的AssetBundle，或者同步加载Resources类型
/// </summary>
/// <param name="newPath">相对于Resources路径下的资源路径</param>
/// <param name="callBack">回调函数的参数为ResourceItem对象，可以详细拿到AB中的所有Asset</param>
/// <param name="type">分类标签</param>
/// <param name="saveAssetBundle">是否保存AssetBundle对象不卸载，可以保留依赖关系</param>
/// <param name="clearAfterLoaded">加载完成后清除自己的缓存</param>
public static void LoadCore(string path, Action<ResourceItem> callBack, EResType type = EResType.None, bool saveAssetBundle = false, bool clearAfterLoaded = false, bool dependLoad = true, bool needCRC = false, int tag = 0, bool isImage = false)
{
//LoggerHelper.Error("LoadCore: " + path + saveAssetBundle + clearAfterLoaded);
var isMainifest = IsManifest(path);
if (!isMainifest && !IsInit)
{
Debug.LogError("has not init mainifest, can not load item: " + path);
return;
}
string newPath = path.ToLower();
string savePath = "";
# region isImage
if (isImage)
{
string assetName = getImagAssetName(newPath);
if (string.IsNullOrEmpty(assetName))
{
Debug.LogError("LoadImageAssets, url error: " + newPath);
return;
}
savePath = getImagSavePath(newPath);
if (!m_resourceItemDic.ContainsKey(assetName))
{
//先从本地加载图片
//Debug.LogError("savePath: " + savePath);
if (string.IsNullOrEmpty(savePath))
{
Debug.LogError("LoadImageAssets, url error 2: " + newPath);
return;
}
#if UNITY_WEBPLAYER
ResourceItem itemNew = new ResourceItem(path, saveAssetBundle);
#else
FileInfo fi = new FileInfo(savePath);
//创建缓存保存目录
if (!fi.Directory.Exists)
fi.Directory.Create();
ResourceItem itemNew;
if (!fi.Exists)
{
//如果本地文件不存在，说明是个网络地址
itemNew = new ResourceItem(newPath, saveAssetBundle);
}
else
{
itemNew = new ResourceItem("file:///" + savePath, saveAssetBundle);
}
#endif
itemNew.NeedCRC = needCRC;
itemNew.AddTags(tag);
m_resourceItemDic.Add(assetName, itemNew);
}
newPath = assetName;
}
# endregion
bool hasContains = false;
if (!m_resourceItemDic.ContainsKey(newPath))
{
var itemNew = new ResourceItem(path, saveAssetBundle);
itemNew.NeedCRC = needCRC;
itemNew.AddTags(tag);
m_resourceItemDic.Add(newPath, itemNew);
}
else
{
hasContains = !isImage;
if (hasContains)
{
Debug.Log("hascontains: " + newPath);
}
}
var item = m_resourceItemDic[newPath];
item.SetType(type);
item.IsClearAfterLoaded = clearAfterLoaded;
if (!hasContains && !item.IsLoaded)
{
if (dependLoad && IsInit)
{
//Debug.LogError("bb: " + item.Path);
var dependList = AssetBundleManifestObject.GetAllDependencies(item.Path.ToLower());
List<string> distinctList = new List<string>();
for (int i = 0; i < dependList.Length; i++)
{
if (m_resourceItemDic.ContainsKey(dependList[i]))
{
Debug.Log("contains depend, path: " + item.Path + "------- file: " + dependList[i]);
}
else
{
Debug.Log("not contains depend, path: " + item.Path + "------- file: " + dependList[i]);
distinctList.Add(dependList[i]);
}
}
//LoadMulti(distinctList.ToArray(), null, () => GlobalDelegate.Instance.View.StartCoroutine(BeginAssetBundleLoadAsync(item)));
LoadMulti(distinctList.ToArray(), null, () => beginLoadItem(item));
}
else if (isImage)
{
GlobalDelegate.Instance.View.StartCoroutine(BeginImageLoadAsync(item, savePath));
}
else
{
//GlobalDelegate.Instance.View.StartCoroutine(BeginAssetBundleLoadAsync(item));
beginLoadItem(item);
}
}
item.AddCallBackFunc(callBack);
if (item.IsCompleted)
{
item.LaunchCallBack();
}
}