/// <summary>
/// 移除未添加委托的事件
/// </summary>
/// <param name="myEventName"></param>
private static void OnListenerRemoved(MyEventName myEventName)
{
if (m_EventTable[myEventName] == null)
{
m_EventTable.Remove(myEventName);
}
}
/// <summary>
/// 注册事件
/// </summary>
/// <param name="myEventName"></param>
/// <param name="callback"></param>
private static void OnListenerAdding(MyEventName myEventName, Delegate callback)
{
if (!m_EventTable.ContainsKey(myEventName))
{
m_EventTable.Add(myEventName, null);
}
Delegate d = m_EventTable[myEventName];
if (d != null && d.GetType() != callback.GetType())
{
throw new Exception(string.Format("尝试为事件{0}添加不同类型的委托，当前事件所对应的委托类型是{1}，要添加的委托类型为{2}", myEventName, d.GetType(), callback.GetType()));
}
}
/// <summary>
/// 广播4参数类型
/// </summary>
/// <param name="myEventName"></param>
public static void Broadcast <T, X, Z, W>(MyEventName myEventName, T arg1, X arg2, Z arg3, W arg4)
{
Delegate d;
if (m_EventTable.TryGetValue(myEventName, out d))
{
CallBack <T, X, Z, W> callBack = d as CallBack <T, X, Z, W>;
if (callBack != null)
{
callBack(arg1, arg2, arg3, arg4);
}
else
{
throw new Exception(string.Format("广播失败:事件{0}未包含3参数类型委托", myEventName));
}
}
}
/// <summary>
/// 广播无参数类型
/// </summary>
/// <param name="myEventName"></param>
public static void Broadcast(MyEventName myEventName)
{
Delegate d;
Debug.Log(m_EventTable.TryGetValue(myEventName, out d));
if (m_EventTable.TryGetValue(myEventName, out d))
{
CallBack callBack = d as CallBack;
if (callBack != null)
{
callBack();
}
else
{
throw new Exception(string.Format("广播失败:事件{0}未包含无参数类型委托", myEventName));
}
}
}
/// <summary>
/// 移除事件
/// </summary>
/// <param name="myEventName"></param>
/// <param name="callback"></param>
/// <returns></returns>
private static void OnListenerRemoving(MyEventName myEventName, Delegate callback)
{
if (m_EventTable.ContainsKey(myEventName))
{
Delegate d = m_EventTable[myEventName];
if (d == null)
{
throw new Exception(string.Format("移除监听错误:事件{0}未添加任何委托", myEventName));
}
else if (d.GetType() != callback.GetType())
{
throw new Exception(string.Format("移除监听错误:事件{0}没有对应的委托", myEventName));
}
}
else
{
throw new Exception(string.Format("事件系统未包含{0}事件", myEventName));
}
}
//添加2参数委托
public static void AddListener <T, X>(MyEventName myEventName, CallBack <T, X> callBack)
{
OnListenerAdding(myEventName, callBack);
m_EventTable[myEventName] = (CallBack <T, X>)m_EventTable[myEventName] + callBack;
}
//移除4参数委托
public static void RemoveListener <T, X, Z, W>(MyEventName myEventName, CallBack <T, X, Z, W> callBack)
{
OnListenerRemoving(myEventName, callBack);
m_EventTable[myEventName] = (CallBack <T, X, Z, W>)m_EventTable[myEventName] - callBack;
OnListenerRemoved(myEventName);
}
