#ifndef NETWORK_H#define NETWORK_H#include "Computer.h"#include "Cable.h"class Network{				/*structure for global network of computers */  public:    static const int MAX_COMPUTERS = 20;	/* max computers on screen */    static const int NUM_SYS = 6;	/* number of computer types */    NXPicture pictures[NUM_SYS + 1];	/* array of cpu pictures */    int width, height;		/* size of cpu picture */    int units;			/* number of cpus in network */    int win, base, off;		/* number in each state */    Computer computers[MAX_COMPUTERS];	/* array of cpu info */    Cable cables[MAX_COMPUTERS];    int ncables;    void setup();    void load_pix();    void draw();    void update();    void toasters();    int on(int lev);};#endif