/// <summary>
/// 删除指定事件的所有监听回调
/// </summary>
/// <param name="type"></param>
public void RemoveEvent(SGEventType type)
{
if (callBacks.ContainsKey(type))
{
callBacks.Remove(type);
}
}
/// <summary>
/// 发送通知
/// </summary>
/// <param name="type"></param>
/// <param name="data"></param>
public void SendEvent(SGEventType type, EventData data)
{
EventCallBack callback = null;
if (callBacks.TryGetValue(type, out callback))
{
callback?.Invoke(data);
}
}
/// <summary>
/// 删除指定事件类型中的监听回调
/// </summary>
/// <param name="type"></param>
/// <param name="callback"></param>
public void RemoveListener(SGEventType type, EventCallBack callback)
{
if (callBacks.ContainsKey(type))
{
if (callBacks[type] == null)
{
return;
}
callBacks[type] -= callback;
}
}
/// <summary>
/// 事件监听注册
/// </summary>
/// <param name="type"></param>
/// <param name="callback"></param>
public void RegistListener(SGEventType type, EventCallBack callback)
{
if (callback == null)
{
Debug.LogWarning("call back is null");
return;
}
if (!callBacks.ContainsKey(type))
{
//不存在指定事件的key，创建新key-value
callBacks.Add(type, callback);
}
else
{
//存在指定事件的key，不能用其他变量存委托，
//然后+=，因为委托非原地+，会导致字典中的委托没变化
callBacks[type] += callback;
}
}
