void UnloadAssetBundleInternal(string abName, bool isThorough)
{
AssetBundleInfo bundle = GetLoadedAssetBundle(abName);
if (bundle == null)
{
return;
}
//if (--bundle.m_ReferencedCount <= 0) {
if (m_LoadRequests.ContainsKey(abName))
{
return; //如果当前AB处于Async Loading过程中，卸载会崩溃，只减去引用计数即可
}
bundle.m_AssetBundle.Unload(isThorough);
m_LoadedAssetBundles.Remove(abName);
Debug.Log(abName + " has been unloaded successfully");
//}
}
IEnumerator OnLoadAssetBundle(string abName, Type type)
{
string url = m_BaseDownloadingURL + abName;
WWW download = null;
if (type == typeof(AssetBundleManifest))
{
download = new WWW(url);
}
else
{
string[] dependencies = m_AssetBundleManifest.GetAllDependencies(abName);
if (dependencies.Length > 0)
{
m_Dependencies.Add(abName, dependencies);
for (int i = 0; i < dependencies.Length; i++)
{
string depName = dependencies[i];
AssetBundleInfo bundleInfo = null;
if (m_LoadedAssetBundles.TryGetValue(depName, out bundleInfo))
{
bundleInfo.m_ReferencedCount++;
}
else if (!m_LoadRequests.ContainsKey(depName))
{
yield return(StartCoroutine(OnLoadAssetBundle(depName, type)));
}
}
}
download = WWW.LoadFromCacheOrDownload(url, m_AssetBundleManifest.GetAssetBundleHash(abName), 0);
}
yield return(download);
AssetBundle assetObj = download.assetBundle;
string[] assetsname = assetObj.GetAllAssetNames();
if (assetObj != null)
{
m_LoadedAssetBundles.Add(abName, new AssetBundleInfo(assetObj));
}
}
IEnumerator OnLoadAssetBundle(string abName, Type type)
{
string url = m_BaseDownloadingURL + abName;
UnityWebRequest request;
if (type == typeof(AssetBundleManifest))
{
request = UnityWebRequestAssetBundle.GetAssetBundle(url);
}
else
{
string[] dependencies = m_AssetBundleManifest.GetAllDependencies(abName);
if (dependencies.Length > 0)
{
m_Dependencies.Add(abName, dependencies);
for (int i = 0; i < dependencies.Length; i++)
{
string depName = dependencies[i];
AssetBundleInfo bundleInfo = null;
if (m_LoadedAssetBundles.TryGetValue(depName, out bundleInfo))
{
bundleInfo.m_ReferencedCount++;
}
else if (!m_LoadRequests.ContainsKey(depName))
{
yield return(StartCoroutine(OnLoadAssetBundle(depName, type)));
}
}
}
request = UnityWebRequestAssetBundle.GetAssetBundle(url);
}
yield return(request.SendWebRequest());
AssetBundle assetObj = DownloadHandlerAssetBundle.GetContent(request);
if (assetObj != null)
{
m_LoadedAssetBundles.Add(abName, new AssetBundleInfo(assetObj));
}
}
object LoadAssetSync <T>(string abName, string[] assetNames) where T : UObject
{
abName = GetRealAssetPath(abName);
AssetBundleInfo bundleInfo = GetLoadedAssetBundle(abName);
if (bundleInfo == null)
{
Debug.LogError("LoadAssetSync Failed:BundleInfo is nil: Please LoadPrefabAsyn:" + abName + ":" + assetNames.ToString());
return(null);
}
List <UObject> result = new List <UObject>();
AssetBundle ab = bundleInfo.m_AssetBundle;
for (int j = 0; j < assetNames.Length; j++)
{
string assetPath = assetNames[j];
T assetObj = ab.LoadAsset <T>(assetPath);
result.Add(assetObj);
}
return((object)result.ToArray());
}
IEnumerator OnLoadAssetBundle(string abName, Type type)
{
//先从解压出来的资源去取，如果外面不存在，在从包内去取
string url = m_BaseDownloadingURLDataPath + abName;
if (!File.Exists(url))
{
url = m_BaseDownloadingURLResPath + abName;
}
else
{
url = "file:///" + url;
}
WWW download = null;
if (type == typeof(AssetBundleManifest))
{
download = new WWW(url);
}
else
{
string[] dependencies = m_AssetBundleManifest.GetAllDependencies(abName);
if (dependencies.Length > 0)
{
if (!m_Dependencies.ContainsKey(abName))//如果不存在再加，用的dependencies加载
{
m_Dependencies.Add(abName, dependencies);
}
for (int i = 0; i < dependencies.Length; i++)
{
string depName = dependencies[i];
AssetBundleInfo bundleInfo = null;
if (m_LoadedAssetBundles.TryGetValue(depName, out bundleInfo))
{
bundleInfo.m_ReferencedCount++;
}
else if (!m_LoadRequests.ContainsKey(depName))
{
if (!m_LoadingAssetBundlesName.ContainsKey(depName))
{
//loading中不包含
m_LoadingAssetBundlesName.Add(depName, depName);
yield return(StartCoroutine(OnLoadAssetBundle(depName, type)));
}
}
}
}
//download = WWW.LoadFromCacheOrDownload(url, m_AssetBundleManifest.GetAssetBundleHash(abName), 0);
download = new WWW(url);
}
yield return(download);
AssetBundle assetObj = download.assetBundle;
if (assetObj != null)
{
m_LoadedAssetBundles.Add(abName, new AssetBundleInfo(assetObj));
}
m_LoadingAssetBundlesName.Remove(abName);
}
IEnumerator OnLoadAsset <T>(string abName) where T : UObject
{
AssetBundleInfo bundleInfo = GetLoadedAssetBundle(abName);
if (bundleInfo == null)
{
yield return(StartCoroutine(OnLoadAssetBundle(abName, typeof(T))));
bundleInfo = GetLoadedAssetBundle(abName);
if (bundleInfo == null)
{
m_LoadRequests.Remove(abName);
Debug.LogError("OnLoadAsset--->>>" + abName);
yield break;
}
}
List <LoadAssetRequest> list = null;
if (!m_LoadRequests.TryGetValue(abName, out list))
{
m_LoadRequests.Remove(abName);
yield break;
}
for (int i = 0; i < list.Count; i++)
{
string[] assetNames = list[i].assetNames;
List <UObject> result = new List <UObject>();
AssetBundle ab = bundleInfo.m_AssetBundle;
for (int j = 0; j < assetNames.Length; j++)
{
string assetPath = assetNames[j];
AssetBundleRequest request = ab.LoadAssetAsync(assetPath, list[i].assetType);
yield return(request);
result.Add(request.asset);
//T assetObj = ab.LoadAsset<T>(assetPath);
//result.Add(assetObj);
}
if (list[i].sharpFunc != null)
{
list[i].sharpFunc(result.ToArray());
list[i].sharpFunc = null;
}
if (list[i].luaFunc != null)
{
list[i].luaFunc.Call((object)result.ToArray());
list[i].luaFunc.Dispose();
list[i].luaFunc = null;
}
bundleInfo.m_ReferencedCount++;
}
m_LoadRequests.Remove(abName);
}
IEnumerator OnLoadAsset <T>(string abName) where T : UObject
{
AssetBundleInfo bundleInfo = GetLoadedAssetBundle(abName);
if (bundleInfo == null)
{
yield return(StartCoroutine(OnLoadAssetBundle(abName, typeof(T))));
bundleInfo = GetLoadedAssetBundle(abName);
if (bundleInfo == null)
{
m_LoadRequests.Remove(abName);
Debugger.LogError("OnLoadAsset Error --->>>" + abName);
yield break;
}
}
List <LoadAssetRequest> list = null;
if (!m_LoadRequests.TryGetValue(abName, out list))
{
m_LoadRequests.Remove(abName);
yield break;
}
for (int i = 0; i < list.Count; i++)
{
string[] assetNames = list[i].assetNames;
if (assetNames == null)
{
continue;
}
AssetBundle ab = bundleInfo.m_AssetBundle;
var loadedCache = bundleInfo.loadedObject;
UObject obj;
List <UObject> result = new List <UObject>();
for (int j = 0; j < assetNames.Length; j++)
{
string assetPath = assetNames[j];
assetPath = assetPath.Substring(assetPath.LastIndexOf("/") + 1);
if (loadedCache.TryGetValue(assetPath, out obj))
{
result.Add(obj);
}
else
{
AssetBundleRequest request = ab.LoadAssetAsync(assetPath, list[i].assetType);
yield return(request);
obj = request.asset;
loadedCache.Add(assetPath, obj);
result.Add(obj);
}
}
if (list[i].sharpFunc != null)
{
list[i].sharpFunc(result.ToArray());
list[i].sharpFunc = null;
}
if (list[i].luaFunc != null)
{
list[i].luaFunc.Call((object)result.ToArray());
list[i].luaFunc.Dispose();
list[i].luaFunc = null;
}
//bundleInfo.m_ReferencedCount++;
}
m_LoadRequests.Remove(abName);
}
public void LoadAsset <T>(string abName, string[] assetNames, Action <UObject[]> action = null, LuaFunction func = null) where T : UObject
{
#if UNITY_EDITOR
if (AppDef.DebugMode)
{
List <UObject> result = new List <UObject>();
var exts = type2Ext(typeof(T));
abName = abName.ToLower();
AssetBundleInfo abi = GetLoadedAssetBundle(abName);
if (abi == null)
{
abi = AddLoadedAssetBundle(abName, null);
}
foreach (string assetName in assetNames)
{
UObject obj;
if (abi.loadedObject.TryGetValue(assetName, out obj))
{
result.Add(obj);
continue;
}
string hasExt = Path.GetExtension(assetName);
string nameNoExt = Path.GetFileNameWithoutExtension(assetName).ToLower();
string mergeName = abName.Replace(nameNoExt, "");
foreach (var path in gameAssetPaths)
{
string prefix = path;
{
prefix += mergeName;
if (!prefix.EndsWith("/"))
{
prefix += "/";
}
}
if (!string.IsNullOrEmpty(hasExt) || exts == null)
{
string ff = string.Format("{0}{1}", prefix, assetName);
obj = AssetDatabase.LoadAssetAtPath <T>(ff);
if (obj)
{
result.Add(obj);
abi.loadedObject[assetName] = obj;
continue;
}
}
else
{
foreach (var ext in exts)
{
string ff = string.Format("{0}{1}{2}", prefix, assetName, ext);
obj = AssetDatabase.LoadAssetAtPath <T>(ff);
if (obj)
{
result.Add(obj);
abi.loadedObject[assetName] = obj;
continue;
}
}
}
}
}
if (result.Count == 0)
{
Debug.LogWarning("Editor LoadAsset, no asset: " + string.Join(",", assetNames));
}
if (action != null)
{
action(result.ToArray());
action = null;
}
if (func != null)
{
if (result.Count > 0)
{
func.Call((object)result.ToArray());
}
else
{
func.Call();
}
func.Dispose();
func = null;
}
return;
}
#endif
abName = GetRealAssetPath(abName);
LoadAssetRequest request = new LoadAssetRequest();
request.assetType = typeof(T);
request.assetNames = assetNames;
request.luaFunc = func;
request.sharpFunc = action;
List <LoadAssetRequest> requests = null;
if (!m_LoadRequests.TryGetValue(abName, out requests))
{
requests = new List <LoadAssetRequest>();
requests.Add(request);
m_LoadRequests.Add(abName, requests);
#if NET_4_6
await OnLoadAsset <T>(abName);
#else
StartCoroutine(OnLoadAsset <T>(abName));
#endif
}
else
{
requests.Add(request);
}
}
// 加载 Asset
IEnumerator OnLoadAsset <T>(string abName) where T : UObject
{
// 从加载表中获取 AssetBundle，若为空，可能是 ab 不存在，也可能由于尚未加载，因此须先进行加载，再判断 ab 是否的确不存在
AssetBundleInfo bundleInfo = GetLoadedAssetBundle(abName);
if (bundleInfo == null)
{
yield return(StartCoroutine(OnLoadAssetBundle(abName, typeof(T)))); // 加载 AssetBundle
bundleInfo = GetLoadedAssetBundle(abName); // 获取 AssetBundle
// 若该资源包的确不存在，则将当前加载命令从请求记录字典中移出，并退出协程
if (bundleInfo == null)
{
m_LoadRequests.Remove(abName);
Debug.LogError("OnLoadAsset--->>>" + abName);
yield break;
}
}
List <LoadAssetRequest> list = null;
// 如果获取不到对该 ab 的加载请求，将该条记录从字典中移出，然后退出协程
if (!m_LoadRequests.TryGetValue(abName, out list))
{
m_LoadRequests.Remove(abName);
yield break;
}
// list: abName 所对应的请求列表
for (int i = 0; i < list.Count; i++)
{
string[] assetNames = list[i].assetNames; // 每条请求对应要加载的资源文件名数组
List <UObject> result = new List <UObject>();
AssetBundle ab = bundleInfo.m_AssetBundle;
for (int j = 0; j < assetNames.Length; j++)
{
string assetPath = assetNames[j];
AssetBundleRequest request = ab.LoadAssetAsync(assetPath, list[i].assetType);
yield return(request);
result.Add(request.asset);
//T assetObj = ab.LoadAsset<T>(assetPath);
//result.Add(assetObj);
}
// call backs
if (list[i].sharpFunc != null)
{
list[i].sharpFunc(result.ToArray());
list[i].sharpFunc = null;
}
if (list[i].luaFunc != null)
{
list[i].luaFunc.Call((object)result.ToArray());
list[i].luaFunc.Dispose();
list[i].luaFunc = null;
}
bundleInfo.m_ReferencedCount++;
}
// 该 ab 所有请求处理完后，将其从请求字典中移出，表示对该资源包的加载已经结束
m_LoadRequests.Remove(abName);
}
