76 lines
2.4 KiB
GDScript3
76 lines
2.4 KiB
GDScript3
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class _NodeLifecycleListener extends Node:
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signal on_event(data)
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class _ListenerOnProcess extends _NodeLifecycleListener:
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func _process(delta : float):
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on_event.emit(delta)
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class _ListenerOnPhysicsProcess extends _NodeLifecycleListener:
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func _physics_process(delta : float):
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on_event.emit(delta)
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class _ListenerOnInput extends _NodeLifecycleListener:
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func _input(event : InputEvent):
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on_event.emit(event)
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class _ListenerOnShortcutInput extends _NodeLifecycleListener:
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func _shortcut_input(event : InputEvent):
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on_event.emit(event)
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class _ListenerOnUnhandledInput extends _NodeLifecycleListener:
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func _unhandled_input(event : InputEvent):
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on_event.emit(event)
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class _ListenerOnUnhandledKeyInput extends _NodeLifecycleListener:
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func _unhandled_key_input(event : InputEvent):
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on_event.emit(event)
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## Represents [Node] lifecycle events like [method Node._process].
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## Observable emits argument from call as item on the stream.
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## [br][br]
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## [color=yellow]Warning![/color] This only creates a Node of type [b]_NodeLifecycleListener[/b]
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## which is added as a child since it is not possible to get signals on lifecycle callbacks.
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static func from_godot_node_lifecycle_event_(conn : Node, type : int) -> Observable:
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var listener : RefValue = RefValue.Null()
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var count : RefValue = RefValue.Set(0)
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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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if count.v == 0:
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match type:
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0:
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listener.v = _ListenerOnProcess.new()
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1:
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listener.v = _ListenerOnPhysicsProcess.new()
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2:
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listener.v = _ListenerOnInput.new()
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3:
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listener.v = _ListenerOnShortcutInput.new()
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4:
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listener.v = _ListenerOnUnhandledInput.new()
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5:
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listener.v = _ListenerOnUnhandledKeyInput.new()
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listener.v.name = "__Listener$" + str(conn.get_instance_id()) + "__"
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listener.v.process_priority = conn.process_priority
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listener.v.process_mode = conn.process_mode
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listener.v.process_physics_priority = conn.process_physics_priority
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conn.call_deferred("add_child", listener.v)
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count.v += 1
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var dispose = func():
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count.v -= 1
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if count.v == 0 and listener.v != null:
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listener.v.queue_free()
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var subscription = GDRx.gd.from_godot_signal(listener.v.on_event).subscribe(
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observer, GDRx.basic.noop, GDRx.basic.noop,
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scheduler
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)
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var cd : CompositeDisposable = CompositeDisposable.new([subscription, Disposable.new(dispose)])
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return cd
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return Observable.new(subscribe)
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