protected override bool ApplyRevertGUIButtons()
{
EditorGUI.BeginDisabledGroup(!this.HasModified());
base.RevertButton();
bool result = base.ApplyButton("Apply Prefab");
EditorGUI.EndDisabledGroup();
bool upgradeMaterials = this.upgradeMaterials;
GUIContent content = (!this.HasModified() && !upgradeMaterials) ? SpeedTreeImporterInspector.Styles.Regenerate : SpeedTreeImporterInspector.Styles.ApplyAndGenerate;
if (GUILayout.Button(content, new GUILayoutOption[0]))
{
bool flag = this.HasModified();
if (flag)
{
this.Apply();
}
if (upgradeMaterials)
{
SpeedTreeImporter[] importers = this.importers;
for (int i = 0; i < importers.Length; i++)
{
SpeedTreeImporter speedTreeImporter = importers[i];
speedTreeImporter.SetMaterialVersionToCurrent();
}
}
this.GenerateMaterials();
if (flag || upgradeMaterials)
{
base.ApplyAndImport();
result = true;
}
}
return(result);
}