inventory/Runtime/Events/GenericEventsInventoryExtensions.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using KairoEngine.Core;

namespace KairoEngine.Inventory
{
    public static class GenericEventsInventoryExtensions
    {
        public static Dictionary<string, System.Action<ItemContainer, ItemRef>> list = new Dictionary<string, System.Action<ItemContainer, ItemRef>>();
        
        public static void StartListening(this GenericEvents e, string title, System.Action<ItemContainer, ItemRef> listener)
        {
            System.Action<ItemContainer, ItemRef> action = null;
            if (list.TryGetValue(title, out action))
            {
                action += listener;
                list[title] = action;
            }
            else
            {
                action += listener;
                list.Add(title, action);
            }
        }

        public static void StopListening(this GenericEvents e,string title, System.Action<ItemContainer, ItemRef> listener)
        {
            System.Action<ItemContainer, ItemRef> action = null;
            if (list.TryGetValue(title, out action))
            {
                action -= listener;
                list[title] = action;
            }
        }

        public static void Trigger(this GenericEvents e, string title, ItemContainer container, ItemRef item)
        {
            System.Action<ItemContainer, ItemRef> action = null;
            if (list.TryGetValue(title, out action))
            {
                if(action != null) action(container, item);
            }
        }
    }
}