/// <summary>
/// 同步加载接口
/// 注意：仅支持无依赖关系的资源
/// </summary>
public T SyncLoad <T>(string location) where T : UnityEngine.Object
{
UnityEngine.Object result = null;
if (AssetSystem.SystemMode == EAssetSystemMode.EditorMode)
{
#if UNITY_EDITOR
string loadPath = AssetSystem.FindDatabaseAssetPath(location);
result = UnityEditor.AssetDatabase.LoadAssetAtPath <T>(loadPath);
if (result == null)
{
LogSystem.Log(ELogType.Error, $"Failed to load {loadPath}");
}
#else
throw new Exception("AssetDatabaseLoader only support unity editor.");
#endif
}
else if (AssetSystem.SystemMode == EAssetSystemMode.ResourcesMode)
{
result = Resources.Load <T>(location);
if (result == null)
{
LogSystem.Log(ELogType.Error, $"Failed to load {location}");
}
}
else if (AssetSystem.SystemMode == EAssetSystemMode.BundleMode)
{
string fileName = System.IO.Path.GetFileNameWithoutExtension(location);
string manifestPath = AssetPathHelper.ConvertLocationToManifestPath(location);
string loadPath = AssetSystem.BundleServices.GetAssetBundleLoadPath(manifestPath);
AssetBundle bundle = AssetBundle.LoadFromFile(loadPath);
if (bundle != null)
{
result = bundle.LoadAsset <T>(fileName);
}
if (result == null)
{
LogSystem.Log(ELogType.Error, $"Failed to load {loadPath}");
}
if (bundle != null)
{
bundle.Unload(false);
}
}
else
{
throw new NotImplementedException($"{AssetSystem.SystemMode}");
}
return(result as T);
}
public override void Update()
{
#if UNITY_EDITOR
if (IsDone)
{
return;
}
if (States == EAssetProviderStates.None)
{
States = EAssetProviderStates.Loading;
}
// 1. 加载资源对象
if (States == EAssetProviderStates.Loading)
{
string loadPath = _owner.LoadPath;
// 注意：如果加载路径指向的是文件夹
if (UnityEditor.AssetDatabase.IsValidFolder(loadPath))
{
string folderPath = loadPath;
string fileName = AssetName;
loadPath = AssetSystem.FindDatabaseAssetPath(folderPath, fileName);
}
AssetObject = UnityEditor.AssetDatabase.LoadAssetAtPath(loadPath, AssetType);
States = EAssetProviderStates.Checking;
}
// 2. 检测加载结果
if (States == EAssetProviderStates.Checking)
{
States = AssetObject == null ? EAssetProviderStates.Failed : EAssetProviderStates.Succeed;
if (States == EAssetProviderStates.Failed)
{
LogSystem.Log(ELogType.Warning, $"Failed to load asset object : {_owner.LoadPath} : {AssetName}");
}
InvokeCompletion();
}
#endif
}
