#include "engine.h"
#include "iostream"

void Engine::step(double dt, double load_torque_nm) {
    // TODO: replace with real combustion/friction torque model driven
    // by throttle position and crank angle. For now: seek idle rpm
    // and just track the applied load so downstream pieces have
    // something to wire against.
    m_rpm += (kIdleRpm - m_rpm) * dt;
    m_torque_nm = -load_torque_nm;
}

double Engine::rpm() const {
    return m_rpm;
}

double Engine::torque_nm() const {
    return m_torque_nm;
}

void Engine::set_throttle(double throttle) {
    m_throttle = throttle;
}

double Engine::get_throttle() {
    return m_throttle;
}

void Engine::reset() {
    m_rpm = 0;
    m_oil_temp = 0;
    m_coolant_capacity = 0;
}