Will be redoing the event interface for subscriptions, some work for the wi and crash fixes

common/event_sub.h

@@ -0,0 +1,28 @@
+#pragma once
+
+#include <unordered_map>
+
+class EventSubscriptionWatcher
+{
+public:
+	~EventSubscriptionWatcher();
+	
+	void Subscribe(const std::string &event_name);
+	void Unsubscribe(const std::string &event_name);
+	bool IsSubscribed(const std::string &event_name) const;
+
+	static EventSubscriptionWatcher *Get() {
+		static EventSubscriptionWatcher* inst = nullptr;
+		if(!inst) {
+			inst = new EventSubscriptionWatcher();
+		}
+		
+		return inst;
+	}
+private:
+	EventSubscriptionWatcher();
+	EventSubscriptionWatcher(const EventSubscriptionWatcher&);
+	EventSubscriptionWatcher& operator=(const EventSubscriptionWatcher&);
+	
+	std::unordered_map<std::string, bool> m_subs;
+};