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ThundernerdThundernerd
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Added Safe Event
1 parent c9aabb7 commit d6e149b

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lines changed

‎Runtime.meta‎

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‎Runtime/DuplicateSubscriptionException.cs‎

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using System;
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namespace TNRD.Events
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{
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public class DuplicateSubscriptionException : Exception
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{
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}
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}

‎Runtime/DuplicateSubscriptionException.cs.meta‎

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‎Runtime/SafeEvent.cs‎

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using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace TNRD.Events
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{
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public struct SafeEvent
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{
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private HashSet<Action> subscriptions;
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public int Count => subscriptions?.Count ?? 0;
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public void RemoveAllSubscriptions()
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{
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subscriptions.Clear();
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}
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public void Invoke()
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{
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foreach (var subscription in subscriptions)
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{
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#if UNITY_EDITOR || DEBUG
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ThrowIfInvalidSubscription(subscription);
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#endif
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subscription?.Invoke();
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}
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}
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private static void ThrowIfInvalidSubscription(Action subscription)
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{
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if (subscription?.Target == null)
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{
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throw new SubscriptionIsNullException();
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}
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if (subscription.Target is Component component && !component)
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{
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throw new SubscriptionIsNullException();
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}
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if (subscription.Target is GameObject gameObject && !gameObject)
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{
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throw new SubscriptionIsNullException();
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}
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}
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public void Subscribe(Action action)
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{
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if (subscriptions == null)
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{
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subscriptions = new HashSet<Action>();
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}
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if (subscriptions.Contains(action))
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{
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#if UNITY_EDITOR || DEBUG
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throw new DuplicateSubscriptionException();
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#endif
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return;
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}
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subscriptions.Add(action);
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}
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public void Unsubscribe(Action action)
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{
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subscriptions?.Remove(action);
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}
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public static SafeEvent operator +(SafeEvent safeEvent, Action action)
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{
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safeEvent.Subscribe(action);
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return safeEvent;
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}
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public static SafeEvent operator -(SafeEvent safeEvent, Action action)
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{
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safeEvent.Unsubscribe(action);
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return safeEvent;
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}
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}
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}

‎Runtime/SafeEvent.cs.meta‎

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Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎Runtime/SafeEventOneParameter.cs‎

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using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace TNRD.Events
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{
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public struct SafeEvent<T>
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{
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private HashSet<Action<T>> subscriptions;
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public int Count => subscriptions?.Count ?? 0;
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public void RemoveAllSubscriptions()
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{
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subscriptions.Clear();
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}
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public void Invoke(T obj)
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{
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foreach (var subscription in subscriptions)
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{
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#if UNITY_EDITOR || DEBUG
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ThrowIfInvalidSubscription(subscription);
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#endif
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subscription?.Invoke(obj);
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}
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}
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private static void ThrowIfInvalidSubscription(Action<T> subscription)
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{
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if (subscription?.Target == null)
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{
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throw new SubscriptionIsNullException();
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}
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if (subscription.Target is Component component && !component)
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{
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throw new SubscriptionIsNullException();
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}
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if (subscription.Target is GameObject gameObject && !gameObject)
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{
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throw new SubscriptionIsNullException();
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}
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}
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public void Subscribe(Action<T> action)
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{
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if (subscriptions == null)
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{
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subscriptions = new HashSet<Action<T>>();
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}
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if (subscriptions.Contains(action))
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{
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#if UNITY_EDITOR || DEBUG
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throw new DuplicateSubscriptionException();
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#endif
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return;
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}
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subscriptions.Add(action);
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}
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public void Unsubscribe(Action<T> action)
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{
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subscriptions?.Remove(action);
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}
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public static SafeEvent<T> operator +(SafeEvent<T> safeEvent, Action<T> action)
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{
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safeEvent.Subscribe(action);
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return safeEvent;
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}
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public static SafeEvent<T> operator -(SafeEvent<T> safeEvent, Action<T> action)
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{
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safeEvent.Unsubscribe(action);
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return safeEvent;
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}
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}
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}

‎Runtime/SafeEventOneParameter.cs.meta‎

Lines changed: 3 additions & 0 deletions
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎Runtime/SafeEventTwoParameters.cs‎

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using System;
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using System.Collections.Generic;
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using UnityEngine;
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namespace TNRD.Events
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{
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public struct SafeEvent<T, T2>
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{
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private HashSet<Action<T, T2>> subscriptions;
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public int Count => subscriptions?.Count ?? 0;
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public void RemoveAllSubscriptions()
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{
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subscriptions.Clear();
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}
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public void Invoke(T arg1, T2 arg2)
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{
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foreach (var subscription in subscriptions)
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{
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#if UNITY_EDITOR || DEBUG
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ThrowIfInvalidSubscription(subscription);
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#endif
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subscription?.Invoke(arg1, arg2);
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}
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}
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private static void ThrowIfInvalidSubscription(Action<T, T2> subscription)
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{
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if (subscription?.Target == null)
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{
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throw new SubscriptionIsNullException();
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}
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if (subscription.Target is Component component && !component)
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{
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throw new SubscriptionIsNullException();
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}
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if (subscription.Target is GameObject gameObject && !gameObject)
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{
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throw new SubscriptionIsNullException();
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}
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}
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public void Subscribe(Action<T, T2> action)
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{
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if (subscriptions == null)
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{
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subscriptions = new HashSet<Action<T, T2>>();
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}
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if (subscriptions.Contains(action))
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{
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#if UNITY_EDITOR || DEBUG
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throw new DuplicateSubscriptionException();
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#endif
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return;
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}
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subscriptions.Add(action);
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}
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public void Unsubscribe(Action<T, T2> action)
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{
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subscriptions?.Remove(action);
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}
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public static SafeEvent<T, T2> operator +(SafeEvent<T, T2> safeEvent, Action<T, T2> action)
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{
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safeEvent.Subscribe(action);
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return safeEvent;
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}
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public static SafeEvent<T, T2> operator -(SafeEvent<T, T2> safeEvent, Action<T, T2> action)
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{
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safeEvent.Unsubscribe(action);
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return safeEvent;
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}
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}
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}

‎Runtime/SafeEventTwoParameters.cs.meta‎

Lines changed: 3 additions & 0 deletions
Some generated files are not rendered by default. Learn more about customizing how changed files appear on GitHub.

‎Runtime/SubscriptionIsNullException.cs‎

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using System;
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namespace TNRD.Events
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{
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public class SubscriptionIsNullException : Exception
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{
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}
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}

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