30 lines
983 B
GDScript
30 lines
983 B
GDScript
enum EInputState
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{
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RELEASED = 0, JUST_PRESSED = 1, PRESSED = 2, JUST_RELEASED = 3
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}
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## Represents an input action as an observable sequence which emits input state
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## each time [code]checks[/code] emits an item.
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static func from_godot_input_action_(input_action : String, checks : Observable) -> Observable:
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var subscribe = func(
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observer : ObserverBase,
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scheduler : SchedulerBase = null
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) -> DisposableBase:
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var prev_pressed = RefValue.Set(false)
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var curr_pressed = RefValue.Set(false)
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var on_next = func(__):
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prev_pressed.v = curr_pressed.v
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curr_pressed.v = Input.is_action_pressed(input_action)
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if prev_pressed.v != curr_pressed.v:
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observer.on_next(EInputState.JUST_PRESSED if curr_pressed.v else EInputState.JUST_RELEASED)
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observer.on_next(EInputState.PRESSED if curr_pressed.v else EInputState.RELEASED)
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return checks.subscribe(
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on_next, observer.on_error, observer.on_completed,
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scheduler
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)
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return Observable.new(subscribe)
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