Misa c8537beac1 Add deferred callbacks to game loop ...

Sometimes, there needs to be code that gets ran at the end of the game
loop, otherwise rendering issues might occur. Currently, we do this by
special-casing each deferred routine (e.g. shouldreturntoeditor), but it
would be better if we could generalize this deference instead.

Deferred callbacks can be added using the DEFER_CALLBACK macro. It takes
in one argument, which is the name of a function, and that function must
be a void function that takes in no arguments. Also, due to annoying C++
quirks, void functions taking no arguments cannot be attributes of
objects (because they have an implicit `this` parameter), so it's
recommended to create each callback separately before using the
DEFER_CALLBACK macro.

2021-03-21 02:55:42 -04:00

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