/* author: YKMoon
 * 状态机
 * 初始化需要手动添加状态信息 AddState
 * Update里面来调用状态机运行StateMachineUpdate
 */
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;

namespace YKMoon
{
    public class UFSMManager : USingletonMono<UFSMManager>
    {
        private List<UFSM> machines = new List<UFSM>();

        public static void Reg(UFSM stateMachine)
        {
            if(!Instance.machines.Contains(stateMachine)) {
                Instance.machines.Add(stateMachine);
            }
        }

        public static void UnReg(UFSM stateMachine)
        {
            if(Instance.machines.Contains(stateMachine)) {
                Instance.machines.Remove(stateMachine);
            }
        }

        public static void Clear()
        {
            Instance.machines.Clear();
        }

        private void Update()
        {
            for(int i = 0; i < machines.Count; i++) {
                machines[i].Update(Time.deltaTime, Time.unscaledDeltaTime);
            }
        }
    }
}