/// <summary>
/// Coroutine which pops the top of the stack and
/// expects top of the stack to be same as uiOperation.SceneName
/// It also pops from the stack and after popping, if there are two scenes in memory,
/// it disambiguates by marking the correct base scene as the active scene.
/// </summary>
/// <param name="uiOperation"></param>
/// <returns></returns>
private IEnumerator UnloadAdditiveSceneAsync(UIOperation uiOperation)
{
BeginSafetyOperation();
var popupSceneName = uiOperation.SceneName;
AsyncOperation asyncLoad = SceneManager.UnloadSceneAsync(popupSceneName);
while (!asyncLoad.isDone)
{
yield return(null);
}
#if UNITY_EDITOR
//Debug.Log("Active scene before: " + SceneManager.GetActiveScene().name);
#endif
string baseScenePath = m_sceneCallStack.Pop();
// only need to set scene active, if there were >= 2 scenes
// if after pop, stack is empty => now there is only 1 active scene
// we dont need to set the only scene as active scene
if (m_sceneCallStack.Count != 0)
{
var baseScene = SceneManager.GetSceneByPath(baseScenePath);
yield return(StartCoroutine(SetActiveScene(baseScene)));
}
uiOperation.Complete();
GameManager.Instance.EventAggregator.Publish(SceneChangeEvent.Build(SceneManager.GetSceneByPath(baseScenePath).name));
EndSafetyOperation();
}
/// <summary>
/// Coroutine which stacks the given scene name on top of existing scene.
/// Tracks existing scene name in stack such that it can be set active later on when given scene is popped.
/// Example: In BoardScene (BS), Pause Button is clicked which will trigger PauseScene (PS) to be stacked on top
/// - In stack, BS will be pushed. => Stack (BS)
/// - PS will be marked as the active scene => Active Scene (PS)
/// In Pause Menu, if now Level select is clicked, LevelSelectScene (LS) needs to be stacked on top
/// - In stack, PS will be pushed. => Stack (PS, BS) (PS is top)
/// - LS will be marked as the active scene => Active Scene (LS)
/// </summary>
/// <param name="uiOperation"></param>
/// <returns></returns>
private IEnumerator LoadAdditiveSceneAsync(UIOperation uiOperation)
{
BeginSafetyOperation();
m_sceneCallStack.Push(SceneManager.GetActiveScene().path);
var popupSceneName = uiOperation.SceneName;
AsyncOperation asyncLoad = SceneManager.LoadSceneAsync(popupSceneName, LoadSceneMode.Additive);
while (!asyncLoad.isDone)
{
yield return(null);
}
// explicitly need to set this active scene since it doesnt happen automatically in additive load
var popupScene = SceneManager.GetSceneByName(popupSceneName);
while (!popupScene.isLoaded)
{
yield return(null);
}
yield return(StartCoroutine(SetActiveScene(popupScene)));
uiOperation.Complete();
GameManager.Instance.EventAggregator.Publish(SceneChangeEvent.Build(popupSceneName));
EndSafetyOperation();
}
public void Dispatch(SceneChangeEvent gameEvent)
{
foreach (EventManager.EntityListener entityListener in _entityListeners.ToArray())
{
entityListener.Listener.OnSceneChange(gameEvent);
}
}
private void Awake()
{
if (changeScenes == null)
{
changeScenes = new SceneChangeEvent();
}
}
private void OnValidate()
{
if (changeScenes == null)
{
changeScenes = new SceneChangeEvent();
#if UNITY_EDITOR
UnityEditor.EditorUtility.SetDirty(this);
#endif
}
}
/// <summary>
/// Coroutine which removes all the other scenes and loads the given scene name
/// </summary>
/// <param name="operation"></param>
/// <returns></returns>
private IEnumerator LoadSingleSceneAsync(UIOperation operation)
{
BeginSafetyOperation();
AsyncOperation asyncLoad = SceneManager.LoadSceneAsync(operation.SceneName, LoadSceneMode.Single);
while (!asyncLoad.isDone)
{
yield return(null);
}
m_sceneCallStack.Clear();
operation.Complete();
GameManager.Instance.EventAggregator.Publish(SceneChangeEvent.Build(operation.SceneName));
EndSafetyOperation();
}
private void ChangeScene(SceneChangeEvent e)
{
SceneManager.LoadScene(e.getSceneName());
}