private async Task LoadAssets(LoadAssets payload, Action onCompleteCallback)
{
LoaderFunction loader;
switch (payload.Source.ContainerType)
{
case AssetContainerType.GLTF:
loader = LoadAssetsFromGLTF;
break;
default:
throw new Exception(
$"Cannot load assets from unknown container type {payload.Source.ContainerType.ToString()}");
}
IList <Asset> assets = null;
string failureMessage = null;
// attempt to get cached assets instead of loading
try
{
assets = await loader(payload.Source, payload.ContainerId, payload.ColliderType);
ActiveContainers.Add(payload.ContainerId);
}
catch (Exception e)
{
failureMessage = UtilMethods.FormatException(
$"An unexpected error occurred while loading the asset [{payload.Source.Uri}].", e);
}
_app.Protocol.Send(new Message()
{
ReplyToId = payload.MessageId,
Payload = new AssetsLoaded()
{
FailureMessage = failureMessage,
Assets = assets?.ToArray()
}
});
onCompleteCallback?.Invoke();
}
private async Task LoadAssets(LoadAssets payload, Action onCompleteCallback)
{
LoaderFunction loader;
switch (payload.Source.ContainerType)
{
case AssetContainerType.GLTF:
loader = LoadAssetsFromGLTF;
break;
default:
throw new Exception(
$"Cannot load assets from unknown container type {payload.Source.ContainerType.ToString()}");
}
IList <Asset> assets = null;
string failureMessage = null;
// attempt to get cached assets instead of loading
var oldGuids = MREAPI.AppsAPI.AssetCache.GetAssetIdsInSource(payload.Source);
if (oldGuids != null)
{
assets = new List <Asset>(5);
foreach (var guid in oldGuids)
{
var oldAsset = MREAPI.AppsAPI.AssetCache.GetAsset(guid);
if (oldAsset == null)
{
continue;
}
var patch = GenerateAssetPatch(oldAsset, guid);
patch.Name = oldAsset.name;
patch.Source = payload.Source;
assets.Add(patch);
}
}
else
{
try
{
assets = await loader(payload.Source, payload.ColliderType);
}
catch (Exception e)
{
failureMessage = UtilMethods.FormatException(
$"An unexpected error occurred while loading the asset [{payload.Source.Uri}].", e);
}
}
_app.Protocol.Send(new Message()
{
ReplyToId = payload.MessageId,
Payload = new AssetsLoaded()
{
FailureMessage = failureMessage,
Assets = assets ?? new Asset[] { }
}
});
onCompleteCallback?.Invoke();
}
