97 lines
3.1 KiB
C#
97 lines
3.1 KiB
C#
using System;
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using System.Collections.Generic;
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namespace ET
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{
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public class BuffEventComponent:Entity
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{
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private readonly Dictionary<Type, LinkedList<IEvent>> allEvents = new Dictionary<Type, LinkedList<IEvent>>();
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/// <summary>
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/// 缓存的结点字典
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/// </summary>
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private readonly Dictionary<Type, LinkedListNode<IEvent>> cachedNodes = new Dictionary<Type, LinkedListNode<IEvent>>();
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/// <summary>
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/// 临时结点字典
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/// </summary>
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private readonly Dictionary<Type, LinkedListNode<IEvent>> tempNodes = new Dictionary<Type, LinkedListNode<IEvent>>();
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public void RegisterEvent(Type eventId, IEvent e)
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{
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if (!this.allEvents.ContainsKey(eventId))
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{
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this.allEvents.Add(eventId, new LinkedList<IEvent>());
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}
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this.allEvents[eventId].AddLast(e);
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}
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public void RemoveEvent(Type eventId, IEvent e)
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{
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if (cachedNodes.Count > 0)
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{
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foreach (KeyValuePair<Type, LinkedListNode<IEvent>> cachedNode in cachedNodes)
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{
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//预防极端情况，比如两个不同的事件id订阅了同一个事件处理者
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if (cachedNode.Value != null && cachedNode.Key == eventId && cachedNode.Value.Value == e)
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{
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//注意这里添加的Handler是下一个
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tempNodes.Add(cachedNode.Key, cachedNode.Value.Next);
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}
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}
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//把临时结点字典中的目标元素值更新到缓存结点字典
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if (tempNodes.Count > 0)
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{
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foreach (KeyValuePair<Type, LinkedListNode<IEvent>> cachedNode in tempNodes)
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{
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cachedNodes[cachedNode.Key] = cachedNode.Value;
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}
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//清除临时结点
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tempNodes.Clear();
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}
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}
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if (this.allEvents.ContainsKey(eventId))
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{
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this.allEvents[eventId].Remove(e);
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}
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}
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public async ETTask Public<T>(T a)where T:struct
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{
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Type type = typeof(T);
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if (!this.allEvents.TryGetValue(type, out LinkedList<IEvent> iEvents))
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{
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return;
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}
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LinkedListNode<IEvent> temp = iEvents.First;
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while (temp != null)
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{
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try
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{
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this.cachedNodes[type] = temp.Next;
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if (!( temp.Value is AEvent<T> aEvent))
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{
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Log.Error($"event error: { temp.Value.GetType().Name}");
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continue;
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}
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await aEvent.Run(a);
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}
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catch (Exception e)
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{
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Log.Error(e);
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}
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temp = this.cachedNodes[type];
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}
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this.cachedNodes.Remove(type);
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}
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}
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}
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