public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
{
var serializedProperty = property.FindPropertyRelative("_path");
var path = serializedProperty.stringValue;
var serializedType = property.FindPropertyRelative("_serializedType");
var type = GetResourceType(serializedType);
if (type == null)
{
type = Type.GetType(serializedType.stringValue);
}
if (type != null)
{
serializedType.stringValue = ResourceReference.SerializeType(type);
}
var lastValue = Resources.Load(path);
if (lastValue == null)
{
lastValue = Recovery(property);
}
var guidProperty = property.FindPropertyRelative("_guid");
label.text = label.text + ": " + (type != null ? type.Name : string.Empty) + string.Format(" [{0}]", string.IsNullOrEmpty(path) ? "null" : path);
label.tooltip = label.text;
var newValue = EditorGUI.ObjectField(position, label, lastValue, type, false);
guidProperty.stringValue = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(newValue));
serializedProperty.stringValue = ResourceReferenceEditorUtils.GetResourcePath(newValue);
}
private static UnityEngine.Object Recovery(SerializedProperty property)
{
if (property != null)
{
var guidProperty = property.FindPropertyRelative("_guid");
var assetPath = AssetDatabase.GUIDToAssetPath(guidProperty.stringValue);
if (!string.IsNullOrEmpty(assetPath))
{
int rIndex = assetPath.LastIndexOf("Resources");
if (rIndex != -1)
{
assetPath = assetPath.Remove(0, rIndex + "Resources".Length).Trim('/', '\\', ' ', '\t', '\r', '\n');
assetPath = Path.ChangeExtension(assetPath, "").Trim('.', ',');
var newValue = Resources.Load(assetPath);
guidProperty.stringValue = AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(newValue));
property.FindPropertyRelative("_path").stringValue = ResourceReferenceEditorUtils.GetResourcePath(newValue);
return(newValue);
}
}
}
return(null);
}