AppManager.h

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// Copyright (c) 2025 Dave R. Smith. All rights reserved.
// Malena Framework — Proprietary Software. See LICENSE for terms.
 
//
// Created by Dave R. Smith on 3/5/25.
//
 
#ifndef MALENA_APPMANAGER_H
#define MALENA_APPMANAGER_H
 
#pragma once
 
#include <Malena/Core/malena_export.h>
#include <Malena/Core/CoreManager.h>
#include <Malena/Engine/Window/WindowManager.h>
#include <SFML/Graphics.hpp>
#include <optional>
#include <string>
 
#include <Malena/Engine/App/Lifecycle.h>
namespace ml
{
    class MALENA_API AppManager : public Lifecycle, public CoreManager<Core>
    {
    private:
        sf::RenderWindow* window = nullptr;

        inline static bool        _isDrawing = false;
        inline static AppManager* _instance  = nullptr;
        inline static std::vector<std::function<void()>> _deferredUnloads;
 
    public:
        AppManager(const sf::VideoMode& videoMode,
                   const std::string& title,
                   sf::RenderWindow& window = WindowManager::getWindow());

        void run();
 
        virtual ~AppManager() = default;

        static bool isDrawing() { return _isDrawing; }
        static void deferUnload(std::function<void()> op)
        {
            _deferredUnloads.push_back(std::move(op));
        }

        static AppManager& get() { return *_instance; }
 
    private:
        void fireInputEvents(const std::optional<sf::Event>& event);
        void fireUpdateEvents();
        void draw();
    };
 
} // namespace ml
 
#endif // UIMANAGER_H