/// <summary>
/// Add a UI package from two assetbundles with a optional main asset name.
/// </summary>
/// <param name="desc">A assetbunble contains description file.</param>
/// <param name="res">A assetbundle contains resources.</param>
/// <param name="mainAssetName">Main asset name. e.g. Basics_fui.bytes</param>
/// <returns>UIPackage</returns>
public static UIPackage AddPackage(AssetBundle desc, AssetBundle res, string mainAssetName)
{
byte[] source = null;
#if (UNITY_5 || UNITY_5_3_OR_NEWER)
if (mainAssetName != null)
{
TextAsset ta = desc.LoadAsset <TextAsset>(mainAssetName);
if (ta != null)
{
source = ta.bytes;
}
}
else
{
string[] names = desc.GetAllAssetNames();
string searchPattern = "_fui";
foreach (string n in names)
{
if (n.IndexOf(searchPattern) != -1)
{
TextAsset ta = desc.LoadAsset <TextAsset>(n);
if (ta != null)
{
source = ta.bytes;
mainAssetName = Path.GetFileNameWithoutExtension(n);
break;
}
}
}
}
#else
if (mainAssetName != null)
{
TextAsset ta = (TextAsset)desc.Load(mainAssetName, typeof(TextAsset));
if (ta != null)
{
source = ta.bytes;
}
}
else
{
source = ((TextAsset)desc.mainAsset).bytes;
mainAssetName = desc.mainAsset.name;
}
#endif
if (source == null)
{
throw new Exception("FairyGUI: no package found in this bundle.");
}
if (desc != res)
{
desc.Unload(true);
}
ByteBuffer buffer = new ByteBuffer(source);
UIPackage pkg = new UIPackage();
pkg._resBundle = res;
pkg._fromBundle = true;
int pos = mainAssetName.IndexOf("_fui");
string assetNamePrefix;
if (pos != -1)
{
assetNamePrefix = mainAssetName.Substring(0, pos);
}
else
{
assetNamePrefix = mainAssetName;
}
if (!pkg.LoadPackage(buffer, res.name, assetNamePrefix))
{
return(null);
}
_packageInstById[pkg.id] = pkg;
_packageInstByName[pkg.name] = pkg;
_packageList.Add(pkg);
return(pkg);
}