private IEnumerator UnloadSceneCore(SceneInstance sceneInstance)
{
var scene = sceneInstance.GetScene();
if (!scene.HasValue)
{
yield break;
}
if (SceneManager.sceneCount <= 1)
{
yield break;
}
UnityAction <Scene> sceneUnloaded = s =>
{
if (s.IsValid())
{
if (sceneInstance.Identifier.HasValue)
{
var identifier = sceneInstance.Identifier.Value;
if (loadedscenes.ContainsKey(identifier))
{
loadedscenes.Remove(identifier);
}
}
if (cacheScenes.Contains(sceneInstance))
{
cacheScenes.Remove(sceneInstance);
}
if (onUnloadScene != null)
{
onUnloadScene.OnNext(sceneInstance);
}
}
};
var rootObjects = scene.Value.GetRootGameObjects();
foreach (var rootObject in rootObjects)
{
var targets = UnityUtility.FindObjectsOfInterface <ISceneEvent>(rootObject);
foreach (var target in targets)
{
yield return(target.OnUnloadSceneAsObservable().ToYieldInstruction());
}
}
AsyncOperation op = null;
try
{
SceneManager.sceneUnloaded += sceneUnloaded;
op = SceneManager.UnloadSceneAsync(scene.Value);
}
catch (Exception e)
{
SceneManager.sceneUnloaded -= sceneUnloaded;
Debug.LogException(e);
if (onUnloadError != null)
{
onUnloadError.OnNext(Unit.Default);
}
yield break;
}
while (!op.isDone)
{
yield return(op);
}
SceneManager.sceneUnloaded -= sceneUnloaded;
if (onUnloadSceneComplete != null)
{
onUnloadSceneComplete.OnNext(sceneInstance);
}
}
