86 lines
2.5 KiB
C#
86 lines
2.5 KiB
C#
using System;
|
|
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using UnityEngine;
|
|
|
|
|
|
public delegate void CallBack();//需要有参数的直接在这加上需要的参数就可以实现参数广播。
|
|
public enum EventTypee//广播事件
|
|
{
|
|
test
|
|
}
|
|
public class EventCenter : MonoBehaviour
|
|
{
|
|
private static Dictionary<EventTypee, Delegate> dic = new Dictionary<EventTypee, Delegate>();
|
|
/// <summary>
|
|
/// 添加事件监听
|
|
/// </summary>
|
|
/// <param name="eventType"></param>
|
|
/// <param name="callBack"></param>
|
|
public static void AddListener(EventTypee eventTypee, CallBack callBack)
|
|
{
|
|
if (!dic.ContainsKey(eventTypee))
|
|
{
|
|
dic.Add(eventTypee, null);
|
|
}
|
|
//异常抛出
|
|
Delegate m = dic[eventTypee];
|
|
if (m != null && m.GetType() != callBack.GetType())
|
|
{
|
|
throw new Exception(string.Format("事件{0}为不同委托，对应为{1}，添加类型为{2}", eventTypee, m.GetType(), callBack.GetType()));
|
|
}
|
|
dic[eventTypee] = (CallBack)dic[eventTypee] + callBack;
|
|
|
|
}
|
|
/// <summary>
|
|
/// 移除监听事件
|
|
/// </summary>
|
|
/// <param name="eventTypee"></param>
|
|
/// <param name="callBack"></param>
|
|
public static void RemoveListener(EventTypee eventTypee, CallBack callBack)
|
|
{
|
|
//异常抛出
|
|
if (dic.ContainsKey(eventTypee))
|
|
{
|
|
Delegate m = dic[eventTypee];
|
|
if (m == null)
|
|
{
|
|
throw new Exception(string.Format("错误；事件{0}没有添加", eventTypee));
|
|
}
|
|
else if (m.GetType() != callBack.GetType())
|
|
{
|
|
throw new Exception(string.Format("移除错误，事件{0}于事件{1}为不同委托", m.GetType(), callBack.GetType()));
|
|
}
|
|
|
|
}
|
|
else
|
|
{
|
|
throw new Exception(string.Format("错误，没有事件{0}", eventTypee));
|
|
}
|
|
dic[eventTypee] = (CallBack)dic[eventTypee] - callBack;
|
|
if (dic[eventTypee] == null)
|
|
{
|
|
dic.Remove(eventTypee);
|
|
}
|
|
}
|
|
/// <summary>
|
|
/// 事件的广播
|
|
/// </summary>
|
|
/// <param name="eventTypee"></param>
|
|
public static void Broadcast(EventTypee eventTypee)
|
|
{
|
|
Delegate m;
|
|
if (dic.TryGetValue(eventTypee, out m))
|
|
{
|
|
CallBack callBack = m as CallBack;//强制转换失败时，会返回 null
|
|
if (callBack != null)
|
|
{
|
|
callBack();
|
|
}
|
|
else
|
|
{
|
|
throw new Exception(string.Format("错误，事件已存在", eventTypee));
|
|
}
|
|
}
|
|
}
|
|
} |