string ProcessVariants(ProcessVariantAssetsSchema schema, AddressableAssetGroup group, AddressableAssetsBuildContext context)
{
var settings = context.Settings;
var entries = new List <AddressableAssetEntry>(group.entries);
foreach (var mainEntry in entries)
{
if (AssetDatabase.GetMainAssetTypeAtPath(mainEntry.AssetPath) != typeof(GameObject))
{
continue;
}
GameObject mainAsset = AssetDatabase.LoadMainAssetAtPath(mainEntry.AssetPath) as GameObject;
if (!schema.PreprocessCheck(mainAsset))
{
continue;
}
string fileName = Path.GetFileNameWithoutExtension(mainEntry.AssetPath);
string mainAssetPath = AssetDatabase.GUIDToAssetPath(mainEntry.guid);
string groupDirectory = Path.Combine(defaultBaseDirectory, $"{group.Name}").Replace('\\', '/');
string newPrefabPath = groupDirectory + '/' + Path.GetFileName(mainEntry.AssetPath).Replace(fileName, $"{fileName}_variant");
Directory.CreateDirectory(groupDirectory);
if (!AssetDatabase.CopyAsset(mainAssetPath, newPrefabPath))
{
Debug.LogError("Failed to copy asset " + mainAssetPath);
continue;
}
if (schema.deleteVariants)
{
variantsPrefabsToDelete.Add(newPrefabPath);
}
GameObject variant = AssetDatabase.LoadAssetAtPath <GameObject>(newPrefabPath);
foreach (var script in schema.variantAssetsScripts)
{
script.ProcessVariantAsset(variant);
}
//Create the Variant Entry and set it's address and labels.
var variantEntry = settings.CreateOrMoveEntry(AssetDatabase.AssetPathToGUID(newPrefabPath), mainEntry.parentGroup, false, false);
variantEntry.address = mainEntry.address;
foreach (string label in mainEntry.labels)
{
variantEntry.SetLabel(label, true, false, false);
}
variantEntriesToRemove.Add(AssetDatabase.AssetPathToGUID(newPrefabPath));
entriesToRestore.Add(new AssetEntry {
address = mainEntry.address, assetGUID = mainEntry.guid, group = mainEntry.parentGroup, labels = mainEntry.labels
});
settings.RemoveAssetEntry(AssetDatabase.AssetPathToGUID(mainEntry.AssetPath), false);
}
return(string.Empty);
}
protected override string ProcessGroup(AddressableAssetGroup assetGroup, AddressableAssetsBuildContext aaContext)
{
if (assetGroup.HasSchema <ProcessVariantAssetsSchema>())
{
ProcessVariantAssetsSchema schema = assetGroup.GetSchema <ProcessVariantAssetsSchema>();
var errorString = ProcessVariants(schema, assetGroup, aaContext);
if (!string.IsNullOrEmpty(errorString))
{
return(errorString);
}
}
return(base.ProcessGroup(assetGroup, aaContext));
}