MxApplicationBase.h

#pragma once
#ifndef MX_APPLICATION_BASE_H_
#define MX_APPLICATION_BASE_H_
#include <string>
#include "Mx/Definitions/MxVersion.h"
#include <vector>

namespace Mix {
    class MixEngine;

    class ApplicationBase {
        friend MixEngine;
    public:
        ApplicationBase() = default;

        virtual ~ApplicationBase() = default;

        /** \brief Get the name of the application */
        virtual std::string getAppName() const = 0;

        /** \brief Get the version of the application */
        virtual Version getAppVersion() const = 0;

    protected:
         /**
         * \brief Called before engine starts up.
         * \param _args Arguments from command line.
         * \note Engine has not been initialized when this function is called.
         */
        virtual void startUp(std::vector<std::string> _args);

        /** \brief Called after modules are loaded */
        virtual void onModuleLoaded();

        /** \brief Called after modules are initialized */
        virtual void onModuleInitialized();

        /** \brief Called right after the main scene is created*/
        virtual void onMainSceneCreated();

        /** \brief Called in each main loop before any SceneObjects are updated. */
        virtual void onUpdate();

        /** \brief Called during fixed update in the main loop. Called after update and before late update. */
        virtual void onFixedUpdate();

        /** \brief Called in each main loop after all SceneObjects are updated. Called after fixed update */
        virtual void onLateUpdate();

        /** \brief Called before any render operations begin */
        virtual void onRender();

        /** \brief Called when drawing GUI, add code here to show ui on screen */
        virtual void onGUI();

        /** \brief Called after all render operations are done */
        virtual void onPostRender();

        /**
         * \brief Called when a quit event is issued.
         * \return True if application wants to quit.
         * \note  It DOES NOT mean that application will quit when this is called. Instead,\n
         *        it's just a request, it's up to application to decide whether to quit or not.
         */
        virtual bool onQuitRequested();

        /** \brief Called when main loop ends and the application is going to exit.*/
        virtual void onQuit();

    };
}

#endif