Continentis/Assets/Scripts/ScriptExtensions/General/GameEvent.cs

using System;
using SLSFramework.General;
using UnityEngine;
using UnityEngine.Events;


namespace SLSFramework.General
{
    public class EventUnit : IPrioritized
    {
        private readonly UnityAction action;
        public int Priority { get; set; }

        public EventUnit(UnityAction action, int priority = 0)
        {
            this.action = action;
            this.Priority = priority;
        }

        public void Invoke()
        {
            action.Invoke();
        }
    }
    
    public class EventUnit<T> : IPrioritized
    {
        private readonly UnityAction<T> action;
        public int Priority { get; set; }

        public EventUnit(UnityAction<T> action, int priority = 0)
        {
            this.action = action;
            this.Priority = priority;
        }

        public void Invoke(T arg)
        {
            action.Invoke(arg);
        }
    }
    
    public class EventUnit<T1, T2> : IPrioritized
    {
        private readonly UnityAction<T1, T2> action;
        public int Priority { get; set; }

        public EventUnit(UnityAction<T1, T2> action, int priority = 0)
        {
            this.action = action;
            this.Priority = priority;
        }

        public void Invoke(T1 arg1, T2 arg2)
        {
            action.Invoke(arg1, arg2);
        }
    }
    
    public class EventUnit<T1, T2, T3> : IPrioritized
    {
        private readonly UnityAction<T1, T2, T3> action;
        public int Priority { get; set; }

        public EventUnit(UnityAction<T1, T2, T3> action, int priority = 0)
        {
            this.action = action;
            this.Priority = priority;
        }

        public void Invoke(T1 arg1, T2 arg2, T3 arg3)
        {
            action.Invoke(arg1, arg2, arg3);
        }
    }
    
    public class PrioritizedFunc<T1, T2, T3, TR> : IPrioritized
    {
        private readonly Func<T1, T2, T3, TR> func;
        public int Priority { get; set; }

        public PrioritizedFunc(Func<T1, T2, T3, TR> func, int priority = 0)
        {
            this.func = func;
            this.Priority = priority;
        }

        public TR Invoke(T1 arg1, T2 arg2, T3 arg3)
        {
            return func.Invoke(arg1, arg2, arg3);
        }
    }
}