98 lines
3.9 KiB
C#
98 lines
3.9 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace ZXKFramework
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{
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public class EventManager : IEventManager
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{
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private Dictionary<System.Type, EventHandler> _delegates = new Dictionary<System.Type, EventHandler>();
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private Dictionary<System.Delegate, EventHandler> _delegateLookup = new Dictionary<System.Delegate, EventHandler>();
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public void AddListener<T>(EventHandler<T> del) where T : IGameEvent
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{
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if (_delegateLookup.ContainsKey(del))
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return;
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EventHandler internalDelegate = (e) => del((T)e);
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_delegateLookup[del] = internalDelegate;
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EventHandler tempDel;
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if (_delegates.TryGetValue(typeof(T), out tempDel))
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_delegates[typeof(T)] = tempDel += internalDelegate;
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else
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_delegates[typeof(T)] = internalDelegate;
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}
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public void RemoveListener<T>(EventHandler<T> del) where T : IGameEvent
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{
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EventHandler internalDelegate;
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if (_delegateLookup.TryGetValue(del, out internalDelegate))
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{
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EventHandler tempDel;
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if (_delegates.TryGetValue(typeof(T), out tempDel))
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{
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tempDel -= internalDelegate;
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if (tempDel == null)
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_delegates.Remove(typeof(T));
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else
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_delegates[typeof(T)] = tempDel;
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}
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_delegateLookup.Remove(del);
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}
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}
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public void Raise(IGameEvent e)
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{
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EventHandler del;
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if (_delegates.TryGetValue(e.GetType(), out del))
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{
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System.Delegate[] delegate_array = del.GetInvocationList();
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int count = delegate_array.Length;
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Debug.Log("[GameEventManager.Raise] delegate array Count : " + count);
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for (int i = 0; i < count; i++)
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{
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var del_item = delegate_array[i];
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try
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{
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if (del_item != null)
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del_item.DynamicInvoke(e);
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}
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catch (System.Exception ex)
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{
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string msg = ex.Message;
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string stack_trace = ex.StackTrace;
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if (ex.InnerException != null)
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{
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msg = ex.InnerException.Message;
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stack_trace = ex.InnerException.StackTrace;
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}
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Debug.Log("[GameEventManager]Raise: {0}\nStack Trace: {1}\nThis event listener will be removed because of this exception!" + msg + stack_trace);
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var evt_type = e.GetType();
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var item_evt_handler = del_item as EventHandler;
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if (item_evt_handler != null)
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del -= item_evt_handler;
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if (del == null)
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_delegates.Remove(evt_type);
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else
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_delegates[evt_type] = del;
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var etor = _delegateLookup.GetEnumerator();
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while (etor.MoveNext())
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{
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if (etor.Current.Value == item_evt_handler)
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{
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_delegateLookup.Remove(etor.Current.Key);
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break;
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}
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}
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}
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}
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}
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}
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public void Clear()
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{
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_delegates.Clear();
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_delegateLookup.Clear();
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}
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}
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}
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