void AddStyleSheetsToRootAsset(VisualElementAsset rootAsset, string newUssPath = null, int newUssIndex = 0)
{
if (rootAsset.fullTypeName == BuilderConstants.SelectedVisualTreeAssetSpecialElementTypeName)
{
return;
}
rootAsset.ClearStyleSheets();
for (int i = 0; i < m_OpenUSSFiles.Count; ++i)
{
var localUssPath = m_OpenUSSFiles[i].assetPath;
if (!string.IsNullOrEmpty(newUssPath) && i == newUssIndex)
{
localUssPath = newUssPath;
}
if (string.IsNullOrEmpty(localUssPath))
{
continue;
}
rootAsset.AddStyleSheet(m_OpenUSSFiles[i].styleSheet);
rootAsset.AddStyleSheetPath(localUssPath);
}
}