Started implementation of first event/message passing system

BarinkEngine/Include/BarinkEngine.h

@@ -20,3 +20,5 @@ extern void Start();
 extern void Update();
 extern void ImmediateGraphicsDraw();
 extern void Stop();
+
+extern BarinkEngine::InputManager InputSystem;

BarinkEngine/Include/EventSystem/Event.h

@@ -0,0 +1,11 @@
+#pragma once 
+#include <string> 
+
+struct Event
+{
+  public:
+    std::string name;
+    int argc;
+    void** argv;
+
+};

BarinkEngine/Include/EventSystem/EventEmitter.h

@@ -0,0 +1,16 @@
+#pragma once
+#include "Event.h"
+#include "EventListener.h"
+
+class EventEmitter {
+public: 
+  void Subscribe (EventListener& subscriber);
+  void Unsubscribe(EventListener& subscriber);
+
+protected:
+  std::list<EventListener*> subscribers;
+  void EmitEvent(Event& incident);
+
+  EventEmitter();
+
+};

BarinkEngine/Include/EventSystem/EventListener.cpp

@@ -0,0 +1,5 @@
+#include "EventListener.h"
+
+void EventListener::ReceiveEvent(Event& incident)
+{
+}

BarinkEngine/Include/EventSystem/EventListener.h

@@ -0,0 +1,8 @@
+#pragma once 
+#include "Event.h"
+#include <list>
+class EventListener{
+  public: 
+    virtual void ReceiveEvent(Event& incident);
+
+};

BarinkEngine/Include/Graphics/Window.h

@@ -3,12 +3,13 @@
 
 #include <glad/glad.h>
 #include <GLFW/glfw3.h>
+#include "../Include/EventSystem/EventListener.h"
 
 
 
 
 
-class BarinkWindow{
+class BarinkWindow : EventListener {
     private:
         GLFWwindow* window;
         bool FullScreen;
@@ -18,12 +19,15 @@ class BarinkWindow{
         static bool InitGLFW();
 
 
+
+
     public:
         BarinkWindow(const int width, const int height);
         ~BarinkWindow();
 
         GLFWwindow* windowptr();
 
+        void ReceiveEvent(Event& incident) override;
         bool WindowShouldClose();
 
         void Poll();

BarinkEngine/Include/Input/InputManager.h

@@ -1,11 +1,11 @@
 #pragma once
 #include <vector>
-
 #include "Graphics/Window.h"
+#include "EventSystem/EventEmitter.h"
 
 namespace BarinkEngine {
 
-	class InputManager {
+	class InputManager : EventEmitter {
 	public:
 		InputManager();
 
@@ -13,6 +13,7 @@ namespace BarinkEngine {
 		void attach(BarinkWindow* window);
 
 
+
 		// GLFW Handlers
 		static void KeyCallback(GLFWwindow* window, int key, int scancode, int action, int mods);
 		static void CursorPositionCallback(GLFWwindow* window, double x, double y);
@@ -21,5 +22,6 @@ namespace BarinkEngine {
 		static void ScrollCallback(GLFWwindow* window, double xoffset, double yoffset);
 	private:
 		std::vector<BarinkWindow*> windows;
+
 	};
 }