UnityEvent for parameters code example
Example: Unity events with parameters
using UnityEngine;
using UnityEngine.Events;
using System.Collections;
using System.Collections.Generic;
[System.Serializable]
public class ThisEvent : UnityEvent<int>
{
}
public class EventManagerOneArgument : MonoBehaviour {
private Dictionary <string, ThisEvent> eventDictionary;
private static EventManagerOneArgument eventManagerArgs;
public static EventManagerOneArgument instance
{
get
{
if (!eventManagerArgs)
{
eventManagerArgs = FindObjectOfType (typeof (EventManagerOneArgument)) as EventManagerOneArgument;
if (!eventManagerArgs)
{
Debug.LogError ("There needs to be one active EventManger script on a GameObject in your scene.");
}
else
{
eventManagerArgs.Init ();
}
}
return eventManagerArgs;
}
}
void Init ()
{
if (eventDictionary == null)
{
eventDictionary = new Dictionary<string, ThisEvent>();
}
}
public static void startListening(string eventName, UnityAction<int> listener){
ThisEvent thisEvent = null;
if (instance.eventDictionary.TryGetValue (eventName, out thisEvent))
{
thisEvent.AddListener (listener);
}
else
{
thisEvent = new ThisEvent();
thisEvent.AddListener (listener);
instance.eventDictionary.Add (eventName, thisEvent);
}
}
public static void stopListening(string eventName, UnityAction<int> listener){
if (eventManagerArgs == null) return;
ThisEvent thisEvent = null;
if (instance.eventDictionary.TryGetValue (eventName, out thisEvent))
{
thisEvent.RemoveListener (listener);
}
}
public static void triggerEvent(string eventName, int value){
ThisEvent thisEvent = null;
if (instance.eventDictionary.TryGetValue (eventName, out thisEvent))
{
thisEvent.Invoke (value);
}
}
}