Класс Car

#include "stdafx.h"
#include<iostream>
#include<fstream>
#include<string.h>
#include<stdio.h>
#include<math.h>
#include<conio.h>
#include<stdlib.h>
#include<time.h>
#include<dos.h>
 
using namespace std;
 
class Interface
{ public:
virtual void InputData()=0;       
virtual int Stop()=0;            
};
 
class Engine: public Interface
{  public:
double fuel_consumption;
Engine()
{ InputData(); }
void InputData();
};
 
class Fuel: public Interface
{   public:
double fuel_tank;
Fuel()
{ InputData(); }
void InputData() ;                 
int Stop() ;                       
void Remain(double used)
{ fuel_tank-=used; }               
};
 
class Car: public Engine, public Fuel
{    public:
char type[100];                      
double speed;                      
double max_speed;             
double way;                  
int excess_speed;            
time_t beg, start;           
Car();                      
void InputData() ;           
int Stop();
void Car::ListCriticalSituations();  
void model();               
};
 
const int timeacc=10;                     
float critical_stop=160;        
 
void Engine::InputData()
{   cout<<"\nProvide info about your engine:"
<<"\nFuel consumption <liters per 100 km>: ";
cin>>fuel_consumption;
fuel_consumption/=100;
}
 
void Fuel::InputData()
{        cout<<endl;
                    
cout<<"Fuel required:\n";
 
cout<<"Enter fuel amount to power your car: ";
cin>>fuel_tank;      
}
 
int Fuel:: Stop()
{         if(fuel_tank>0) return 0;
else return 1;         
}
 
Car::Car()
{  speed=0;
way=0;                       
excess_speed =0;              
time_t curr;         
double timed=0;      
start=time(NULL);    
}
 
void Car::InputData()
{          cout<<"\nYour car type: ";
gets(type);
cout<<"Max speed your car can achieve: ";
cin>>max_speed;
}
 
void Car::ListCriticalSituations()
{  cout<<endl;
cout<<"          ANALYSIS OF CRITICAL SITUATIONS "<<endl;
cout<<"If current speed>critical speed then your brakes failure"<<endl;
cout<<"If current speed>max speed then wheels fell off"<<endl;
cout<<"If fuel tank is empty then car stopped"<<endl;
getch();
}
 
int Car::Stop()
{      time_t  fix;
if((speed>=max_speed)&&(!excess_speed))
{               beg=time(NULL);     excess_speed =1;           }
else if(speed<max_speed)
beg=time(NULL);
fix=time(NULL);
if(timeacc*difftime(fix,beg)>18)
return 1;
else return 0;
}
 
void Car::model()
{int ff;
speed=0;
way=0;                      
excess_speed =0;      
time_t curr;           
double timed=0;        
start=time(NULL);      
 
cout<<"\n\nPress 'a' to accelerate | 'd' to brake | 'e' to stop immediately\n\n";
int v;              
int trouble=0;      
while(!trouble)     
{        curr=time(NULL);   
timed=difftime(curr,start);   
start=time(NULL);
if (kbhit())           
{   v=getch();         
switch(v)             
 
{ case 'a':                               
{ 
cout<<"Accelerating...";
speed+=10;                          
break;
}
 
case 'd':
{ 
cout<<"Stopping...";
speed-=10;                           
break;
}
 
case 'e':
{  
cout<<"Extra stopped...";
if(speed>=critical_stop)     
{  cout<<"\nYou've got a great trouble: your brakes obliterated";
trouble=1;                    
}
speed=0;
break;
}
 
case 'l':
{ 
 
ListCriticalSituations();
break;
}
}           
}          
 
way+=speed*timed;                                                
double used=speed*timed*fuel_consumption;   
Fuel::Remain(used);                                   
 
 
if (Fuel::Stop())                                 
{  speed=0;                                                   
cout<<"Fuel tank is empty\n";       
cout<<"Would you like to refuel? <y/n>: ";
if(getch()!='n')                                                
{  
 
Fuel::InputData();  
}
else trouble=1;
}
 
 
 
 
if(Car::Stop())            
{  trouble=1;            
speed=0;                 
cout<<"Max speed limit exceeded\n";
 
cout<<"You've got a great trouble: wheels fell off";            
}
 
 
 
cout<<"Current speed: "<<speed<<" km/h"<<endl;      
if(speed>=max_speed) cout<<" (!!! Above max !!!)"<<endl;
 
cout<<"You've passed   "<<way<<" km "<<endl;     
cout<<fuel_tank<<" liters remain in fuel tank"<<endl;   
 
if(speed>0)
{    
                          
}
}          
}
 
void main()
{
puts("The task is to create a program which can emulate the engine's working process");
getch();
Car yourcar;               
do                                   
{          
yourcar.InputData();     
yourcar.ListCriticalSituations();    
yourcar.model();                     
cout<<endl<<"Change the car? y/n"<<endl;
}
while(getch()=='y');
}