EventDispatcher.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "Forward.hpp"
 
#include "Event.hpp"
 
#include "CeresEngine/Foundation/Event.hpp"
 
namespace CeresEngine {
 
    class AbstractEntityEventDispatcher {
    public:
        virtual ~AbstractEntityEventDispatcher() = default;
    };
 
    template<typename E> class EntityEventDispatcher final : public AbstractEntityEventDispatcher {
    private:
        UnsafeEvent<void(const Entity&, const E&)> mSignal;
 
    public:
        void emit(const Entity& entity, const E& event) const;
 
        template<typename Subscriber> WeakEventConnection subscribe(Subscriber&& subscriber);
    };
 
} // namespace CeresEngine
 
namespace CeresEngine {
 
    template<typename E> void EntityEventDispatcher<E>::emit(const Entity& entity, const E& event) const { mSignal(entity, event); }
 
    template<typename E> template<typename Subscriber> WeakEventConnection EntityEventDispatcher<E>::subscribe(Subscriber&& subscriber) {
        return mSignal.connect(subscriber);
    }
 
} // namespace CeresEngine