/// <summary>
/// Search the given map for cross-scene references.
/// </summary>
/// <param name="map">The map to search</param>
/// <returns>The list of cross-scene references found in the map</returns>
private static List<EditorCrossSceneReference> ComputeCrossSceneReferences( List<KeyValuePair<SerializedProperty, Object>> map )
{
var refSubSceneMap = new List<EditorCrossSceneReference>();
var cache = new Dictionary<Object,Scene>();
// We figure out what the subScene mapping is (from which subScene to which subScene).
foreach( var pair in map )
{
Scene fromScene = FindSceneCached( pair.Key.serializedObject.targetObject, cache );
Scene toScene = FindSceneCached( pair.Value, cache );
// Always safe to reference nothing, or a persistent object
if ( !fromScene.IsValid() || !toScene.IsValid() )
continue;
bool bIsWithinSameScene = fromScene.Equals(toScene);
if ( bIsWithinSameScene )
continue;
EditorCrossSceneReference crossRef = new EditorCrossSceneReference();
crossRef.fromScene = fromScene;
crossRef.toScene = toScene;
crossRef.fromProperty = pair.Key;
crossRef.toInstance = pair.Value;
refSubSceneMap.Add( crossRef );
}
return refSubSceneMap;
}
/// <summary>
/// Check a cross-scene reference for data that cannot be saved by simple field look-ups at runtime.
/// </summary>
static List <GenericData> GetCustomCrossSceneReferenceData(EditorCrossSceneReference crossRef)
{
var playableDirector = crossRef.fromObject as PlayableDirector;
if (!playableDirector)
{
throw new System.ArgumentException("crossRef.fromObject contained an incompatible class");
}
List <GenericData> genericData = new List <GenericData>();
var fromProperty = crossRef.fromProperty;
string propertyPath = fromProperty.propertyPath;
var serializedObject = fromProperty.serializedObject;
if (propertyPath.StartsWith("m_SceneBindings") && propertyPath.EndsWith("value"))
{
var spElement = serializedObject.FindProperty(fromProperty.propertyPath.Substring(0, fromProperty.propertyPath.Length - fromProperty.name.Length - 1));
genericData.Add(spElement.FindPropertyRelative("key").objectReferenceValue);
}
else if (propertyPath.StartsWith("m_ExposedReferences") && propertyPath.EndsWith("second"))
{
var spElement = serializedObject.FindProperty(propertyPath.Substring(0, propertyPath.Length - fromProperty.name.Length - 1));
genericData.Add(spElement.FindPropertyRelative("first").stringValue);
}
return(genericData);
}
private static EditorCrossSceneReference CreateEditorCrossSceneReference( Object fromObject, Scene fromScene, SerializedProperty fromProperty, Object toObject, Scene toScene )
{
EditorCrossSceneReference crossRef = new EditorCrossSceneReference();
crossRef.fromScene = fromScene;
crossRef.toScene = toScene;
crossRef.fromProperty = fromProperty;
crossRef.toInstance = toObject;
// Now see if we have a custom processor...
CustomDataProcessorDelegate customDataProcessor;
if ( _customCrossSceneReferenceDataProcessors.TryGetValue( fromObject.GetType(), out customDataProcessor ) )
{
var customData = customDataProcessor( crossRef );
if ( customData != null && customData.Count > 0 )
crossRef.data = customData;
}
return crossRef;
}
