Added a component for firing game events on Unity Start and added the ability...

Added a component for firing game events on Unity Start and added the ability to delay firing Unity Events when a Game Event is being listened to.

Scriptable Variables/Listeners/GameEventListener.cs

 using System;
+using System.Collections;
 using UnityEngine;
 using UnityEngine.Events;
 
@@ -11,6 +12,9 @@ namespace Shared.ScriptableVariables {
     [Tooltip("The UnityEvent to raise in response to the game event being raised")]
     public UnityEvent response;
 
+    [Tooltip("The delay to have before firing the Unity Events")]
+    public float delay = 0.0f;
+
     //---------------------------------------------------------------------------
     void OnEnable() {
       eventToListenTo.OnRaised += OnEventRaised;
@@ -23,6 +27,24 @@ namespace Shared.ScriptableVariables {
 
     //---------------------------------------------------------------------------
     public virtual void OnEventRaised() {
+      // If there isn't a delay (or it's set wrong), just fire the Unity Event right away
+      if (delay <= 0.0f) {
+        InvokeUnityEvent();
+      }
+      // Otherwise, wait for the delay and THEN fire the Unity Event
+      else {
+        StartCoroutine(DelayInvokeUnityEvent());
+      }
+    }
+
+    //---------------------------------------------------------------------------
+    private IEnumerator DelayInvokeUnityEvent() {
+      yield return new WaitForSeconds(delay);
+      InvokeUnityEvent();
+    }
+
+    //---------------------------------------------------------------------------
+    private void InvokeUnityEvent() {
       if (response != null) {
         try {
           response.Invoke();
@@ -37,6 +59,9 @@ namespace Shared.ScriptableVariables {
 
   //---------------------------------------------------------------------------
   public abstract class GameEventListener<T> : MonoBehaviour {
+    [Tooltip("The delay to have before firing the Unity Events")]
+    public float delay = 0.0f;
+
     //---------------------------------------------------------------------------
     protected abstract GameEvent<T> GetGameEvent();
 
@@ -55,6 +80,24 @@ namespace Shared.ScriptableVariables {
 
     //---------------------------------------------------------------------------
     public virtual void OnEventRaised(T value) {
+      // If there isn't a delay (or it's set wrong), just fire the Unity Event right away
+      if (delay <= 0.0f) {
+        InvokeUnityEvent(value);
+      }
+      // Otherwise, wait for the delay and THEN fire the Unity Event
+      else {
+        StartCoroutine(DelayInvokeUnityEvent(value));
+      }
+    }
+
+    //---------------------------------------------------------------------------
+    private IEnumerator DelayInvokeUnityEvent(T value) {
+      yield return new WaitForSeconds(delay);
+      InvokeUnityEvent(value);
+    }
+
+    //---------------------------------------------------------------------------
+    private void InvokeUnityEvent(T value) {
       var unityEvent = GetUnityEvent();
       if (unityEvent != null) {
         try {

Scriptable Variables/Senders/StartEventSender.cs

+using UnityEngine;
+
+namespace Shared.ScriptableVariables {
+  // Fires the supplied GameEvent on Start()
+  public class StartEventSender : MonoBehaviour {
+    [Tooltip("Game Event to fire on start")]
+    public GameEvent startEvent;
+    
+    void Start() {
+      startEvent?.Raise();
+    }
+  }
+}

Scriptable Variables/Senders/StartEventSender.cs.meta

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