/// Loads neighbor scenes within maxNeighborDistance, adding them to the near list.
private void LoadNeighbors(string sceneName, int distance)
{
if (near.Contains(sceneName))
{
return;
}
near.Add(sceneName);
if (distance >= maxNeighborDistance)
{
return;
}
GameObject scene = GameObject.Find(sceneName);
NeighboringScenes neighboringScenes = (scene) ? scene.GetComponent <NeighboringScenes>() : null;
if (!neighboringScenes)
{
neighboringScenes = CreateNeighboringScenesList(scene);
}
if (!neighboringScenes)
{
return;
}
for (int i = 0; i < neighboringScenes.sceneNames.Length; i++)
{
Load(neighboringScenes.sceneNames[i], LoadNeighbors, distance + 1);
}
}
/// Creates the neighboring scenes list. It's faster to manually add a
/// NeighboringScenes script to your scene's root object; this method
/// builds it manually if it's missing, but requires the scene to have
/// SceneEdge components.
private NeighboringScenes CreateNeighboringScenesList(GameObject scene)
{
if (!scene)
{
return(null);
}
NeighboringScenes neighboringScenes = scene.AddComponent <NeighboringScenes>();
HashSet <string> neighbors = new HashSet <string>();
var sceneEdges = scene.GetComponentsInChildren <SceneEdge>();
for (int i = 0; i < sceneEdges.Length; i++)
{
neighbors.Add(sceneEdges[i].nextSceneName);
}
neighboringScenes.sceneNames = new string[neighbors.Count];
neighbors.CopyTo(neighboringScenes.sceneNames);
return(neighboringScenes);
}
