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57 lines
1.4 KiB
57 lines
1.4 KiB
#pragma once
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#include <SFML/Graphics.hpp>
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#include <iostream>
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#include "Event.hpp"
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#include <memory>
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class VrEventPublisher;
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/**
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*
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* VrEventSubscriber
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*
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* When inherited, the user must impliment a
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*
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*
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*
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*
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*
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*
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*
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*/
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class VrEventSubscriber {
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public:
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virtual ~VrEventSubscriber();
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virtual void event_handler(VrEventPublisher *publisher, std::unique_ptr<vr::Event> event) = 0;
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void subscribe_to_publisher(VrEventPublisher* publisher, vr::Event::EventType type);
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void subscribe_to_publisher(VrEventPublisher* publisher, std::vector<vr::Event::EventType> type);
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void unsubscribe(VrEventPublisher* publisher, vr::Event::EventType type);
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protected:
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// When we destroy a subscriber we need to be able to notify the publishers
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// We have to keep track of every EventType because of the way EventTypes
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// are mapped to subscribers in the publisher
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std::map<VrEventPublisher*, std::vector<vr::Event::EventType>> subscriptions;
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};
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class VrEventPublisher {
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public:
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virtual ~VrEventPublisher();
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virtual void subscribe(VrEventSubscriber *subscriber, vr::Event::EventType type);
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virtual void subscribe(VrEventSubscriber *subscriber, std::vector<vr::Event::EventType> type);
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virtual void unsubscribe(VrEventSubscriber *s, vr::Event::EventType c);
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virtual void notify_subscribers(std::unique_ptr<vr::Event> event);
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private:
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std::map<vr::Event::EventType, std::vector<VrEventSubscriber*>> subscribers;
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};
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