carparts.cpp

来自「C++ Source code from a tutorial」· C++ 代码 · 共 88 行

#include "carparts.h"
#include <iostream>

using namespace std;

void CarPart::Changed() {
    mediator->PartChanged(this); 
}

void Engine::Start() {
    RPM = 1000;
    Changed();
}

void Engine::PushGasPedal(int amount) {
    Revamount = amount;
    RPM += Revamount;
    Changed();
}

void Engine::ReleaseGasPedal(int amount) {
    Revamount = amount;
    RPM -= Revamount;
    Changed();
}

void Engine::Stop() {
    RPM = 0;
    Revamount = 0;
    Changed();
}

void Electric::ChangeOutputBy(int amount) {
    Output += amount;
    ChangedBy = amount;
    Changed();
}

void Wheels::Accelerate(int amount) {
    Speed += amount;
    Changed();
}

void Wheels::Decelerate(int amount) {
    Speed -= amount;
    Changed();
}

int Brakes::Apply(int amount) {
    Pressure = amount;
    Changed();
}

void Headlights::Adjust(int Amount) {
    Brightness += Amount;
}

void AirConditioner::TurnOn() {
    ChangedBy = 100 - Level;
    Level = 100;
    Changed();
}

void AirConditioner::TurnOff() {
    ChangedBy = 0 - Level;
    Level = 0;
    Changed();
}

void AirConditioner::SetLevel(int newlevel) {
    Level = newlevel;
    ChangedBy = newlevel - Level;
    Changed();
}

void Road::ClimbDescend(int angle) {
    ClimbAngle = angle;
    Changed();
}

void Road::Bump(int height, int which) {
    BumpHeight = height;
    BumpWhichTire = which;
    Changed();
}