main.cpp

#include <SFML/Graphics/RenderWindow.hpp>
#include <SFML/System/Clock.hpp>
#include <SFML/Window/Event.hpp>

#include <dlfcn.h>
#include <iostream>

#include "game.hpp"

void* handle;

Game* create_game() {
    if(handle) 
        dlclose(handle);

    handle = dlopen("./libgame.so", RTLD_LAZY);
    Game* (*create)();

    create = (Game* (*)())dlsym(handle, "create_game");
    return create();
}

int main() {
    Game* game = create_game();

    sf::RenderWindow window(sf::VideoMode(200, 200), "Particles");
    sf::Clock clock;

    window.setFramerateLimit(60);
    window.setVerticalSyncEnabled(true);
    
    while(window.isOpen()) {
        sf::Event ev;

        while(window.pollEvent(ev)) {
            if(ev.type == sf::Event::Closed) {
                window.close();
            }

            if(ev.type == sf::Event::KeyPressed) {
                game = create_game();
            }
        }

        game->MouseUpdate(window.mapPixelToCoords(sf::Mouse::getPosition(window)));

        sf::Time dt = clock.restart();
        game->Update(dt);

        window.clear();
        window.draw(*game);
        window.display();
    }

    return 0;
}