public int AddAsset(AssetData asset)
{
if (asset == null || asset.buffer == null)
{
return(this.assets.Count - 1);
}
for (int i = 0, l = this.assets.Count; i < l; i++)
{
var item = this.assets[i];
if (item.uri == asset.uri)
{
this.assets[i] = asset;
return(i);
}
}
this.assets.Add(asset);
return(this.assets.Count - 1);
}