/// <summary>
/// 根据不同的加载路径生成不同的资源路径
/// </summary>
/// <param name="url"></param>
/// <param name="loadPathEnum"></param>
/// <param name="isFileAbsolutelyPath">是否是绝对路径 (使用IO.File 加载时候必须)</param>
/// <returns></returns>
public static PathResultEnum GetAssetPathOfLoadAssetPath(ref string url, LoadAssetPathEnum loadPathEnum, bool isFileAbsolutelyPath, AssetTypeTag assetType = AssetTypeTag.None)
{
if (string.IsNullOrEmpty(url))
{
Debug.LogError("无法识别的路径 " + url);
return(PathResultEnum.Invalid);
}
switch (loadPathEnum)
{
case LoadAssetPathEnum.PersistentDataPath:
url = ConstDefine.S_PersistentDataPath + url;
return(PathResultEnum.Valid);
case LoadAssetPathEnum.ResourcesPath:
//if (assetType == AssetTypeTag.ShaderAsset)
// return PathResultEnum.Valid; //Shade 路径不处理
if (isFileAbsolutelyPath)
{
url = ConstDefine.S_ResourcesPath + url;
}
return(PathResultEnum.Valid);
//case LoadAssetPathEnum.StreamingAssetsPath:
// return PathResultEnum.Valid;
//case LoadAssetPathEnum.EditorAssetDataPath:
// return PathResultEnum.Valid;
default:
break;
}
Debug.LogError("没有配置的路径");
return(PathResultEnum.Invalid);
}
/// <summary>Oa
/// 根据当前的加载路径获取下一个第一级优先级的路径枚举
/// </summary>
/// <param name="curAssetPath">返回是否</param>
/// <returns></returns>
public void GetNextLoadAssetPath(ref LoadAssetPathEnum curAssetPath)
{
for (int dex = 0; dex < m_LoadAssetPathOfPriority.Count - 1; ++dex)
{
if (m_LoadAssetPathOfPriority[dex].m_AssetPathEnum == curAssetPath)
{
curAssetPath = m_LoadAssetPathOfPriority[dex + 1].m_AssetPathEnum;
return;
}
}
curAssetPath = LoadAssetPathEnum.None;
}
/// <summary>
///只在编辑器下可用
/// </summary>
/// <param name="bridgeLoader"></param>
/// <param name="url"></param>
/// <param name="isloadScene"> 如果加载的是场景 则这里必须填true ,否则false</param>
/// <returns></returns>
private void LoadAssetByPriority_Editor(string url, BridgeLoader bridgeLoader, bool isloadSceneAsset)
{
LoadAssetPathEnum curLoadAssetPathEnum = ApplicationConfig.GetDefaultEditorLoadAssetPath();
string fileName = System.IO.Path.GetFileNameWithoutExtension(url);
if (curLoadAssetPathEnum == LoadAssetPathEnum.ResourcesPath)
{
bridgeLoader.m_ConnectLoader = ResourcesLoader.LoadResourcesAsset(url, LoadAssetModel.Sync, null, isloadSceneAsset);
if (bridgeLoader.m_ConnectLoader.ResultObj != null)
{
return;
}
else
{
Debug.LogError("加载资源失败 url" + url);
}
}
Debug.LogError("LoadAssetByPriority_Editor Fail, 无法识别的模式 " + curLoadAssetPathEnum);
}
/// <summary>
/// 根据配置的路径加载优先级 选择合适的加载器加载资源 (可能存在加载不到资源的情况,目前只处理LoadAssetPathEnum.PersistentDataPath和PersistentDataPath.ResourcesPath)
/// </summary>
/// <param name="bridgeLoader"></param>
/// <param name="url"></param>
/// <param name="isloadScene"> 如果加载的是场景 则这里必须填true ,否则false</param>
/// <returns></returns>
private IEnumerator LoadAssetByPriorityAsync(string url, BridgeLoader bridgeLoader, bool isloadSceneAsset)
{
LoadAssetPathEnum curLoadAssetPathEnum = ApplicationConfig.Instance.GetFirstPriortyAssetPathEnum(); //加载的优先级
string fileName = System.IO.Path.GetFileNameWithoutExtension(url);
do
{
if (curLoadAssetPathEnum == LoadAssetPathEnum.PersistentDataPath)
{
AssetBundleExitState assetBundleExitState;
string newUrl = HotUpdate.AssetBundleMgr.Instance.CheckIfAssetBundleAsset(url.ToLower(), out assetBundleExitState);
if (assetBundleExitState != AssetBundleExitState.None)
{
Debug.Log("[AssetBundler ]加载外部资源，且以AssetBundle 加载");
bridgeLoader.m_ConnectLoader = NewAssetBundleLoader3.LoadAssetBundleAsset(newUrl, fileName, LoadAssetModel.Async, assetBundleExitState, isloadSceneAsset); //整体打包的资源
}
else
{
if (isloadSceneAsset == false)
{
Debug.Log("[byteLoader ]优先加载外部资源,但是不是AssetBundle 资源，则以Byte[] 尝试 加载");
string path = url;
if (url.StartsWith(ConstDefine.S_AssetBundleTopPath) == false)
{
path = ConstDefine.S_AssetBundleTopPath + url;
}
bridgeLoader.m_ConnectLoader = ByteLoader.LoadAsset(path, LoadAssetModel.Async, null);
}
else
{
//***场景资源不通过这种方式
}
}
}
else if (curLoadAssetPathEnum == LoadAssetPathEnum.ResourcesPath)
{
Debug.Log("[RecourcsLoader ] 加载Resources 资源 " + url);
bridgeLoader.m_ConnectLoader = ResourcesLoader.LoadResourcesAsset(url, LoadAssetModel.Async, null, isloadSceneAsset);
}
while (bridgeLoader.m_ConnectLoader.IsCompleted == false)
{
yield return(null);
}
if (curLoadAssetPathEnum == LoadAssetPathEnum.PersistentDataPath && (bridgeLoader.m_ConnectLoader.GetType() == typeof(NewAssetBundleLoader3)))
{
NewAssetBundleLoader3 assetBundleLoader = bridgeLoader.m_ConnectLoader as NewAssetBundleLoader3;
if (assetBundleLoader.AssetLoaderResultInfor.GetAssetByUrl(assetBundleLoader.m_ResourcesUrl, fileName) != null)
{
yield break;
}
}
else
{
if (bridgeLoader.m_ConnectLoader.ResultObj != null)
{
yield break;
}
}
// bridgeLoader.m_ConnectLoader.ReduceReference(bridgeLoader.m_ConnectLoader, false); //卸载这个加载器
ApplicationConfig.Instance.GetNextLoadAssetPath(ref curLoadAssetPathEnum);
continue; //如果加载得到则返回否则继续尝试其他的加载方式
} while (curLoadAssetPathEnum != LoadAssetPathEnum.None);
Debug.LogError("如果加载成功不会执行到这里" + url);
bridgeLoader.m_ConnectLoader = null; //如果加载成功不会执行到这里
}