Subsystem.h

#pragma once
 
#include "pch.h"
 
class App;
 
class Subsystem
{
public:
    Subsystem() = delete;
    Subsystem(App* appOwner)
    : m_app(appOwner) { }
 
public:
    virtual int PreInit(int ArgC, char* ArgV[]) { return 0; }
 
    virtual int Init() { return 0; }
 
    virtual void PreTick(double deltaTime) {}
 
    virtual void Tick(double deltaTime) {}
 
    virtual void TickRendering(double deltaTime) {}
 
    virtual void Exit() {}
    
public:
    App* GetApp() const { return m_app; }
 
protected:
    App* m_app = nullptr;
};