public AssetObjectLoader(AssetBundle bundle, string assetName, System.Type assetType)
{
_cacheBundle = bundle;
AssetName = assetName;
AssetType = assetType;
LoadState = EAssetObjectLoadState.None;
}
/// <summary>
/// 轮询更新方法
/// </summary>
public void Update()
{
if (IsDone())
{
return;
}
if (LoadState == EAssetObjectLoadState.None)
{
LoadState = EAssetObjectLoadState.LoadAssetObject;
}
// 1. 加载主资源对象
if (LoadState == EAssetObjectLoadState.LoadAssetObject)
{
// Load main asset
System.Type systemType = AssetSystem.MakeSystemType(AssetType);
_cacheRequest = _cacheBundle.LoadAssetAsync(AssetName, systemType);
LoadState = EAssetObjectLoadState.CheckAssetObject;
}
// 2. 检测AssetObject加载结果
if (LoadState == EAssetObjectLoadState.CheckAssetObject)
{
if (_cacheRequest.isDone == false)
{
return;
}
AssetObject = _cacheRequest.asset;
// Check error
if (AssetObject == null)
{
LoadState = EAssetObjectLoadState.LoadAssetObjectFailed;
LoadCallback?.Invoke(AssetObject, false);
}
else
{
LoadState = EAssetObjectLoadState.LoadAssetObjectOK;
LoadCallback?.Invoke(AssetObject, true);
}
}
}
/// <summary>
/// 轮询更新方法
/// </summary>
public void Update()
{
if (IsDone())
{
return;
}
if (LoadState == EAssetObjectLoadState.None)
{
LoadState = EAssetObjectLoadState.LoadAssetObject;
}
// 1. 加载主资源对象
if (LoadState == EAssetObjectLoadState.LoadAssetObject)
{
if (AssetType == null)
{
_cacheRequest = _cacheBundle.LoadAssetAsync(AssetName);
}
else
{
_cacheRequest = _cacheBundle.LoadAssetAsync(AssetName, AssetType);
}
LoadState = EAssetObjectLoadState.CheckAssetObject;
}
// 2. 检测AssetObject加载结果
if (LoadState == EAssetObjectLoadState.CheckAssetObject)
{
if (_cacheRequest.isDone == false)
{
return;
}
AssetObject = _cacheRequest.asset;
LoadState = AssetObject == null ? EAssetObjectLoadState.LoadAssetObjectFailed : EAssetObjectLoadState.LoadAssetObjectOK;
LoadCallback?.Invoke(AssetObject);
}
}
