Added a Initialize function for systems.

include/Engine/Core/System.h

@@ -15,10 +15,10 @@ public:
         , m_ComponentType(componentType)
     { }
 	
-	virtual void Initialize();
+	virtual void Initialize() { }
     virtual void Update(World* world, ComponentWrapper& component, double dt) = 0;
 
-private:
+protected:
     std::string m_ComponentType;
 	EventBroker* m_EventBroker;
 };

include/Engine/Core/SystemPipeline.h

@@ -21,6 +21,16 @@ public:
         }
     }
 
+	void Initialize()
+	{
+		for (auto& pair : m_Systems) {
+			auto& systems = pair.second;
+			for (auto& system : systems) {
+				system->Initialize();
+			}
+		}
+	}
+
     template <typename T, typename... Arguments>
     void AddSystem(Arguments... args)
     {

include/Game/PlayerSystem.h

@@ -17,13 +17,12 @@ public:
 		: System(eventBroker, "Player")
 	{ }
 
-	void Initialize();
+	virtual void Initialize();
 	virtual void Update(World* world, ComponentWrapper& player, double dt) override;
 
 private:
 	float m_Speed;
 	glm::vec3 m_Direction;
-	EventBroker* m_EventBroker;
 
 	EventRelay<PlayerSystem, Events::KeyDown> m_EKeyDown;
 	bool OnKeyDown(const Events::KeyDown &event);

include/Game/RaptorCopterSystem.h

@@ -8,6 +8,8 @@ public:
         : System(eventBroker, "RaptorCopter")
     { }
 
+	virtual void Initialize() { }
+
     virtual void Update(World* world, ComponentWrapper& raptorCopter, double dt) override
     {
         ComponentWrapper& transform = world->GetComponent(raptorCopter.EntityID, "Transform");

src/Game/Game.cpp

@@ -47,9 +47,13 @@ Game::Game(int argc, char* argv[])
 	m_SystemPipeline->AddSystem<RaptorCopterSystem>();
 	m_SystemPipeline->AddSystem<PlayerSystem>();
 
+
+
 	m_LastTime = glfwGetTime();
 
     testIntialize();
+
+	m_SystemPipeline->Initialize();
 }
 
 Game::~Game()

src/Game/PlayerSystem.cpp

@@ -16,7 +16,7 @@ void PlayerSystem::Update(World * world, ComponentWrapper & player, double dt)
 
 bool PlayerSystem::OnKeyDown(const Events::KeyDown & event)
 {
-	if (event.KeyCode == GLFW_KEY_P) {
+	if (event.KeyCode == GLFW_KEY_UP) {
 		m_Direction.z == -1;
 	}
 	if (event.KeyCode == GLFW_KEY_LEFT) {