You will write a program that reads a binary file that contains records of creatures. Each record can be stored in a Creature struct. You should present the user with a menu of three options: display a specific creature, display all the creatures sorted by name, or quit. If the user chooses to display a specific creature, you should ask the user which creature to display

Explanation:

main.cpp file

/

Name

Date

PA1_Starter.cpp

Description

/

// Headers

#include <iostream>

#include <cstdlib>

#include <string>

#include <vector>

#include <fstream>

#include <algorithm>

using namespace std;

// Global variables

const int CREATURE_NAME_SIZE = 30; // Max length of a creature name

const int CREATURE_TYPE_SIZE = 26; // Max length of a creature type

const string FILENAME = "creatures.dat"; // Name of file that contains the data

// struct used to create records in file

struct Creature

{

char name[CREATURE_NAME_SIZE]; // Name of the creature

char creatureType[CREATURE_TYPE_SIZE]; // Type of creature

int hp; // Hit points for creature

int armor; // Armor class for creature

int speed; // Speed of creature

};

// This function returns true if the name of the left creature is less than the name of the right creature

// Use this function when running the sort function

bool sortByName(const Creature &lhs, const Creature &rhs)

{

string name1(lhs.name), name2(rhs.name);

return name1 < name2;

}

// Function declarations

// You will need to code the definitions for each of these functions

int getCreatureNumber(int numCreatures);

void displayCreature(fstream& file, int num);

void displaySorted(fstream& file);

int main()

{

char choice; // choice made by user for menu

fstream creatureFile; // file stream for input file

int numCreatures; // the number of creatures saved to the file

// Open the creatureFile for input and binary (one statement of code)

// Get the number of creatures in the file (two statements of code)

// The number of creatures should be assigned to numCreatures

do

{

cout << "Menu" << endl;

cout << "1. Display a specific creature\n";

cout << "2. Display all creatures sorted by name\n";

cout << "3. Quit\n";

cout << "Enter your choice (1, 2, 3): ";

cin >> choice;

while (cin.get() != '\n');

switch (choice)

{

case '1': // Display a specific creature

displayCreature(creatureFile, getCreatureNumber(numCreatures));

break;

case '2': // Display all the creatures in order

displaySorted(creatureFile);

break;

case '3': // Quit

break;

default:

cout << "Invalid option.\n";

break;

}

if (choice != '3')

{

system("PAUSE");

system("CLS");

}

} while (choice != '3');

creatureFile.close();

// Make sure we place the end message on a new line

cout << endl;

// The following is system dependent. It will only work on Windows

system("PAUSE");

/*

// A non-system dependent method is below

cout << "Press any key to continue";

cin.get();

*/

return 0;

}

/

getCreatureNumber gets and returns the record number from the file that the user would like to be displayed

PARAM: numCreatures should be the value of the total number of records (creatures) in the file

PRE: numCreatures contains a value that is equal to the number of records in the file

POST: A value between 1 and numCreatures is returned as selected by the user

NOTE: Do not allow a value less than 1 or greater than numCreatures to be returned

/

int getCreatureNumber(int numCreatures)

{

}

/

displayCreature displays record number num from file

PARAM: file is a fstream that should be open for input and binary

num contains the record number that is to be read in file

PRE: file is a fstream that is open for input and binary

num is a value between 1 and the number of records in file

POST: The record number num is displayed to the monitor

/

void displayCreature(fstream& file, int num)

{

}

/

displaySorted should read file into a vector. It should then sort the vector by

the name of the creature. Last it should display the vector

PARAM: file is a fstream that should be open for input and binary

PRE: file is open for input and binary

POST: Each record is displayed sorted by the name of the creature

/

void displaySorted(fstream& file)

{

}

add the following

solution:

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