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Edit note on call_deferred() in Singletons (AutoLoad) (#2250)

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* Edit note on call_deferred() in Singletons (AutoLoad)

- Rewrote the paragraph to be less wordy and more concise.
- Moved "Object.call_deferred()" to the beginning  of the sentence to emphasize it.

* Specify purpose of call_deferred

Specify purpose of using call_deferred in this context.

(cherry picked from commit 2f27222d16)
This commit is contained in:
Arman
2019-03-15 19:56:25 -07:00
committed by Re‚‚‚émi Verschelde
parent 962d12a692
commit 2deb52fa10
1 changed files with 4 additions and 5 deletions
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9
getting_started/step_by_step/singletons_autoload.rst
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@@ -224,11 +224,10 @@ current scene and replace it with the requested one.
GetTree().SetCurrentScene(CurrentScene);
}
As mentioned in the comments above, we need to avoid the situation of deleting
the current scene while it is still being used (i.e. its code is still running),
so using :ref:`Object.call_deferred() <class_Object_method_call_deferred>`
is required at this point. The result is that the second function will run
at a later time when any code from the current scene has completed.
Using :ref:`Object.call_deferred() <class_Object_method_call_deferred>`,
the second function will only run once all code from the current scene has
completed. Thus, the current scene will not be removed while it is
still being used (i.e. its code is still running).
Finally, we need to fill the empty callback functions in the two scenes: