32 lines
652 B
C++
32 lines
652 B
C++
#pragma once
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#include <functional>
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using ListenerID = uint64_t;
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template<class... ArgTypes>
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class Event
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{
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public:
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void a(){}
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using Callback = std::function<void(ArgTypes...)>;
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ListenerID AddListener(Callback p_callback);
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ListenerID operator+=(Callback p_callback);
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bool RemoveListener(ListenerID p_listenerID);
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bool operator-=(ListenerID p_listenerID);
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void RemoveAllListeners();
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uint64_t GetListenerCount();
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void Invoke(ArgTypes... p_args);
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private:
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std::unordered_map<ListenerID, Callback> m_callbacks; //存储该事件的所有监听者
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ListenerID m_availableListenerID = 0; //一个监听者ID的自增统计量
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};
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#include"Event.inl" |