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65 lines
2.3 KiB
65 lines
2.3 KiB
11 months ago
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using System; // require keep for Windows Universal App
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using UnityEngine;
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namespace UniRx.Triggers
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{
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public abstract class ObservableTriggerBase : MonoBehaviour
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{
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bool calledAwake = false;
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Subject<Unit> awake;
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/// <summary>Awake is called when the script instance is being loaded.</summary>
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void Awake()
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{
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calledAwake = true;
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if (awake != null) { awake.OnNext(Unit.Default); awake.OnCompleted(); }
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}
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/// <summary>Awake is called when the script instance is being loaded.</summary>
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public IObservable<Unit> AwakeAsObservable()
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{
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if (calledAwake) return Observable.Return(Unit.Default);
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return awake ?? (awake = new Subject<Unit>());
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}
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bool calledStart = false;
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Subject<Unit> start;
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/// <summary>Start is called on the frame when a script is enabled just before any of the Update methods is called the first time.</summary>
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void Start()
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{
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calledStart = true;
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if (start != null) { start.OnNext(Unit.Default); start.OnCompleted(); }
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}
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/// <summary>Start is called on the frame when a script is enabled just before any of the Update methods is called the first time.</summary>
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public IObservable<Unit> StartAsObservable()
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{
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if (calledStart) return Observable.Return(Unit.Default);
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return start ?? (start = new Subject<Unit>());
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}
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bool calledDestroy = false;
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Subject<Unit> onDestroy;
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/// <summary>This function is called when the MonoBehaviour will be destroyed.</summary>
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void OnDestroy()
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{
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calledDestroy = true;
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if (onDestroy != null) { onDestroy.OnNext(Unit.Default); onDestroy.OnCompleted(); }
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RaiseOnCompletedOnDestroy();
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}
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/// <summary>This function is called when the MonoBehaviour will be destroyed.</summary>
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public IObservable<Unit> OnDestroyAsObservable()
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{
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if (this == null) return Observable.Return(Unit.Default);
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if (calledDestroy) return Observable.Return(Unit.Default);
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return onDestroy ?? (onDestroy = new Subject<Unit>());
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}
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protected abstract void RaiseOnCompletedOnDestroy();
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}
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}
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