Event.h

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#pragma once
#include "HephShared.h"
#include "EventArgs.h"
#include "EventResult.h"
#include "EventParams.h"
#include "UserEventArgs.h"
#include <vector>
#include <cinttypes>
 
namespace Heph
{
    typedef void (*EventHandler)(const EventParams& eventParams);
 
    class HEPH_API Event final
    {
    private:
        std::vector<EventHandler> eventHandlers;
 
    public:
        UserEventArgs userEventArgs;
 
    public:
        Event();
        
        operator bool() const;
 
        void operator()(EventArgs* pArgs, EventResult* pResult) const;
 
        Event& operator=(EventHandler handler);
        Event& operator+=(EventHandler handler);
        Event& operator-=(EventHandler handler);
 
        size_t EventHandlerCount() const;
 
        bool EventHandlerExists(EventHandler handler) const;
 
        EventHandler GetEventHandler(size_t index) const;
 
        void SetEventHandler(EventHandler handler);
 
        void AddEventHandler(EventHandler handler);
 
        void InsertEventHandler(EventHandler handler, size_t index);
 
        void RemoveEventHandler(EventHandler handler);
 
        void RemoveEventHandler(size_t index);
 
        void ClearEventHandlers();
 
        void ClearAll();
 
        void Invoke(EventArgs* pArgs, EventResult* pResult) const;
    };
}