INotifyObjectDead.h

#pragma once
 
#include "Delegate.h"
#include "Event.h"
 
namespace sw
{
    class INotifyObjectDead; // 向前声明
 
    using ObjectDeadEventHandler =
        EventHandler<INotifyObjectDead>;
 
    class INotifyObjectDead
    {
    public:
        const Event<ObjectDeadEventHandler> ObjectDead{
            Event<ObjectDeadEventHandler>::Init(this)
                .Delegate([](INotifyObjectDead *self) -> ObjectDeadEventHandler & {
                    return self->GetObjectDeadEventDelegate();
                }) //
        };
 
        virtual ~INotifyObjectDead() = default;
 
    protected:
        virtual ObjectDeadEventHandler &GetObjectDeadEventDelegate() = 0;
    };
}