Random Thoughts.....What Are You Thinking?

//Purpose: Game of blackjack
//author: iro
//Date: 2/12/2012
//Filename: blackjack.cpp
//input: menuSelect, hitSelect, guessNum
//output: compTotal, playerTotal

#include <iostream>
#include <ctime>

using namespace std;

//function prototypes
void printLines();   //prints the seperation lines.
void showTitle();    // Title header.
void callMenu(int &selection);  //shows the main menu.
int getRandomNum();       //for the player. generates a random number 1-11.
int getCompRandomNum();   //for the computer. generates a random number between 10-21.

int main()
{
	//variables
	int menuSelect = 0;
	int hitSelect = 0;
	int playerRandNum = 0;
	int compTotal = 0;
	int playerTotal = 0;

	//game info
	printLines();   //this section shows the title header
	showTitle();
	printLines();

	//main menu and game process
	
	while(menuSelect != 2)   //this while statment controls the entire game repeat.
	{                        //the game will always go back to the main menu when finished 
		callMenu(menuSelect);  //so that the player can choose to play a new game or exit.
		printLines();

		if(menuSelect == 1) //this if statement lets the program skip the game if the player chooses to exit.
		{
			
			
			while(hitSelect != 2)
			{
				while(hitSelect != 2) //this while statement lets the player go as many times as they wish to get
				{                     //as close to 21 as they can.
					cout << "Would you like to (1) Hit or (2) Stay? ";
					cin >> hitSelect;

					if(hitSelect == 1) //this if statement means that if the player chooses to stay, then the game 
					{                  // wont process the random number generation an extra time.
						playerRandNum = getRandomNum();
						playerTotal += playerRandNum;		

						cout << "Player Total: " << playerTotal << endl;
					}// endif

				}//endwhile

				compTotal = getCompRandomNum();         //this generates the the number for the computer's hand.

				cout << "Computer Total: " << compTotal << endl;

 
			}//endwhile
		 
			if(playerTotal == compTotal) //this if statement indicates that if there is a tie,
			{                                        //then the computer should display that it is a tie.
				cout << "It's a tie!" << endl;
			}//endif
			if(playerTotal == 21 || playerTotal > compTotal && playerTotal < 22 && playerTotal != compTotal)
			{                                                                  //this if statement is for displaying the winning 
				cout << "Congratulations, you win!" << endl;                   //text if the player gets 21 or a number higher than the computer.
			}//endif
			if(playerTotal < compTotal || playerTotal > 21)   //this if statment indicates that none of the other conditions were met, which means the player has lost.
			{
				cout << "You lost!" << endl;
			}//endif
		

			//clear variables
			hitSelect = 0;             //this section clears
			playerTotal = 0;           //out the variables so
			compTotal = 0;             //that the numbers from
 			playerRandNum = 0;         //the previous game won't interfere.
			printLines();              //prints a dividing line between the last game and the main menu.
		}//endif

	}//endwhile
				


	return 0;
}//end of main function

//*****function definitions - void functions*****
void printLines()
{
	cout << "--------------------" << endl;
} //end of printLines

void showTitle()
{
	cout << "***SIMPLE BLACKJACK***" << endl;
	cout << "written by Cody Warren" << endl;
} //end showTitle


void callMenu(int &selection)
{
	cout << "*****MAIN MENU*****" << endl;
	cout << "1. Play" << endl;
	cout << "2. Exit" << endl;

	printLines();

	cout << "What would you like to do? ";
	cin >> selection;
} //end callMenu

//*****function definitions - value returning functions*****
int getRandomNum()
{
	int num = 0;

	srand(static_cast<int>(time(0)));
	num = 1 + rand() % (11 - 1 + 1);

	return num;
} //end getRandomNum

int getCompRandomNum()
{
	int compNum = 0;

	srand(static_cast<int>(time(0)));
	compNum = 10 + rand() % (21 - 10 + 1);

	return compNum;
} //end getCompRandomNum