public async UniTask ReturnAsync()
{
await _transition.FadeInAsync(_transitionDuration / 2f);
if (_currentScreen != null)
{
_currentScreen.Hide();
}
_currentScreen = null;
await _transition.FadeOutAsync(_transitionDuration / 2f);
}
/// <summary>
/// Loads a scene that contains a manager asynchronously.
/// </summary>
/// <param name="scene">The scene to be loaded.</param>
/// <typeparam name="TManager">The type of the manager to be fetched in the scene.</typeparam>
/// <returns>A task to be awaited which represents the loading. Its value is the scene's manager. </returns>
/// <exception cref="Exception">Thrown if the given <paramref name="scene"/> does not contain a manager of type
/// <typeparamref name="TManager"/>.</exception>
private async UniTask <TManager> LoadManagedSceneAsync <TManager>(SceneReference scene)
where TManager : MonoBehaviour
{
_loading = true;
await _transition.FadeInAsync(TransitionDuration);
if (_scene != null)
{
await SceneManager.UnloadSceneAsync(_scene.Value);
}
await SceneManager.LoadSceneAsync(scene, LoadSceneMode.Additive);
_scene = SceneManager.GetSceneByPath(scene);
if (_scene == null)
{
throw new Exception($"Managed scene wasn't loaded ({typeof(TManager)}).");
}
SceneManager.SetActiveScene(_scene.Value);
var manager = FindObjectOfType <TManager>();
await _transition.FadeOutAsync(TransitionDuration);
_loading = false;
return(manager);
}