/// <summary>
/// 加载资源对象
/// </summary>
/// <param name="assetName">资源名称</param>
/// <param name="assetType">资源类型</param>
/// <param name="param">附加参数</param>
/// <returns></returns>
public AssetOperationHandle LoadAssetAsync(string assetName, System.Type assetType, IAssetParam param)
{
IAssetProvider provider = TryGetProvider(assetName);
if (provider == null)
{
if (assetType == typeof(SceneInstance))
{
IsSceneLoader = true;
SceneInstanceParam sceneParam = param as SceneInstanceParam;
provider = new AssetSceneProvider(this, assetName, assetType, sceneParam);
}
else if (assetType == typeof(PackageInstance))
{
throw new NotImplementedException(nameof(PackageInstance));
}
else
{
if (this is AssetBundleLoader)
{
provider = new AssetBundleProvider(this, assetName, assetType);
}
else if (this is AssetDatabaseLoader)
{
provider = new AssetDatabaseProvider(this, assetName, assetType);
}
else
{
throw new NotImplementedException($"{this.GetType()}");
}
}
_providers.Add(provider);
}
return(provider.Handle);
}
/// <summary>
/// 异步加载场景
/// </summary>
/// <param name="sceneName">场景名称</param>
public AssetOperationHandle LoadSceneAsync(string sceneName, SceneInstanceParam instanceParam)
{
IAssetProvider provider = TryGetProvider(sceneName);
if (provider == null)
{
IsSceneLoader = true;
provider = new AssetSceneProvider(this, sceneName, instanceParam);
_providers.Add(provider);
}
// 引用计数增加
provider.Reference();
return(provider.Handle);
}