#pragma once

#include "engine.h"
#include "transmission.h"
#include "vehicle.h"

// Owns Engine + Transmission + Vehicle and sequences the per-tick
// coupling between them. This is the thing main.cpp / the GUI talks to.
class Simulation {
public:
    void step(double dt);

    const Engine& engine() const { return m_engine; }
    const Transmission& transmission() const { return m_transmission; }
    const Vehicle& vehicle() const { return m_vehicle; }

    Engine& engine() { return m_engine; } // for reset, etc.
    Transmission& transmission() { return m_transmission; } // for gear shifts

private:
    Engine m_engine;
    Transmission m_transmission;
    Vehicle m_vehicle;
};