public static AssetReference <T> LoadOrRegisterAsset <T>(string assetName) where T : class, IAsset, new()
{
if (assetNameToHolder.TryGetValue(assetName, out int idx))
{
if (assets[idx].assetType != typeof(T))
{
throw new AssetTypeException("The type of reference does not match type of asset");
}
return(new AssetReference <T>(idx));
}
else
{
AssetPackage package = GetAssetPackageForAsset(assetName);
var header = package.GetAssetHeader(assetName);
if (header.assetType != typeof(T))
{
throw new AssetTypeException("The type of reference does not match type of asset");
}
AssetReference <T> newRef = new AssetReference <T>(assets.Count + 1);
assets.Add(new AssetHolder()
{
asset = new T(),
assetType = typeof(T),
assetName = assetName,
state = AssetState.Unloaded
});
return(newRef);
}
}
public static void LoadAssetPackage(string filename)
{
FileInfo file = new FileInfo(filename);
if (!file.Exists)
{
throw new FileNotFoundException("Asset package was not found at location " + file.FullName);
}
AssetPackage package = new AssetPackage(file);
foreach (string assetName in package.GetAssetNames())
{
assetNameToPackage[assetName] = package;
}
assetPackages.Add(package);
}