internal AssetAccessor LoadAsset(string assetPath, bool isScene, LoadAssetCallbackSet callbackSet, object context)
{
if (string.IsNullOrEmpty(assetPath))
{
throw new ArgumentException("Shouldn't be null or empty.", "assetPath");
}
if (!ReadWriteIndex.AssetInfos.TryGetValue(assetPath, out var assetInfo))
{
throw new ArgumentException(Utility.Text.Format("Asset info for path '{0}' not found.", assetPath));
}
int resourceGroup = ReadWriteIndex.ResourceBasicInfos[assetInfo.ResourcePath].GroupId;
if (m_Owner.ResourceUpdater.GetResourceGroupStatus(resourceGroup) != ResourceGroupStatus.UpToDate)
{
throw new InvalidOperationException(Utility.Text.Format(
"Asset '{0}' cannot be used until resource group '{1}' is done updating.",
assetPath, resourceGroup));
}
if (!m_AssetCaches.TryGetValue(assetPath, out var assetCache))
{
assetCache = AcquireAssetCache(assetPath, assetInfo, isScene);
}
var ret = m_AssetAccessorPool.Acquire();
ret.Init(assetCache, callbackSet, context);
return(ret);
}
/// <inheritdoc />
public IAssetAccessor LoadSceneAsset(string sceneAssetPath, LoadAssetCallbackSet callbackSet, object context)
{
if (m_UpdateChecker.Status != UpdateCheckerStatus.Success)
{
throw new InvalidOperationException("Update checking not successfully done.");
}
return(m_Loader.LoadAsset(sceneAssetPath, true, callbackSet, context));
}
internal void Init(AssetCache assetCache, LoadAssetCallbackSet callbackSet, object context)
{
if (m_SerialId > 0)
{
throw new InvalidOperationException("Oops, I'm not reset.");
}
m_AssetCache = assetCache ?? throw new ArgumentNullException(nameof(assetCache), "Oops!");
m_SerialId = NextSerialId();
m_AssetCache.IncreaseRetainCount();
CallbackSet = callbackSet;
Context = context;
m_AssetCache.AddAccessor(this);
}