void App::run()
{
    Tileset tileset(resourcePath() + "tileset.png", 16);

    const std::vector<sf::Sprite>* tilesetVector = tileset.getTiles();

    Engine engine = Engine();
    EngineState state = engine.mainLoop(window, tilesetVector);

    switch (state)
    {
        case EngineState::STATE_exiting:
            window->close();
            break;

        default:
            break;
    }
}