A silly combat game based off of a prompt given to a friend. Originally done in C, and then remade in C++.

CombatSim2015.c

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

int playerHP = 1000;
int enemyHP = 1000;
int playerBase = 100;
int enemyBase = 125;
char c = '\0';
int playerMove = 0;
int enemyMove = 0;
int dealt = 0;
int playerUsed = 1;
int enemyUsed = 1;
int win = 0;

void attacks();
int whirling(int d);
int artery(int d, int u);
int vicious(int d, int h);
void printline();

void attacks()
{
	printf("Pick an attack:\n");
	printf("[1]: Whirling Blades (base damage + 10-65 additional damage)\n");
	printf("[2]: Artery Slice (10%% base damage + 20 additional damage)\n");
	printf("		  (20 additional damage for each time used)\n");
	printf("[3]: Vicious Blow (2 * base damage + 2%% attacker's HP)\n");
}

int whirling(int d)
{
	int a1 = 0;
	int add1 = 0;

	srand(time(NULL));
	add1 = rand() & 56;
	add1 = add1 + 10;
	a1 = d + add1;
	return a1;
}

int artery(int d, int u)
{
	int a1 = 0;
	int add1 = 0;
	int add2 = 0;

	add1 = d * 0.1;
	add2 = 20 * u;
	a1 = add1 + add2;
	return a1;
}

int vicious(int d, int h)
{
	int a1 = 0;
	int add1 = 0;
	int add2 = 0;

	add1 = d * 2;
	add2 = h * 0.02;
	a1 = add1 + add2;
	return a1;
}

void printline()
{
	int z = 0;

	for(z = 0; z < 80; z++)
	{
		printf("-");
	}
	printf("\n");
}

int main(void)
{
	printf("*** Welcome to Combat Simulator 2015! ***\n");
	while(!((c == 'y') || (c == 'Y') || (c == 'n') || (c == 'N')))
	{
		printf("Would you like to start a battle? (y/n) ");
		scanf(" %c", &c);

		if((c == 'y') || (c == 'Y'))
		{
			printline();
			printline();
			printline();
			printf("The battle begins!\n");
			printf("You have %d base damage, and your opponent has %d base damage.\n", playerBase, enemyBase);
			while((playerHP > 0) && (enemyHP > 0))
			{
				printf("You have %d HP, and your opponent has %d HP.\n", playerHP, enemyHP);
				printline();
				attacks();
				printf("What is your next move? ");
				scanf(" %d", &playerMove);
				printline();

				switch(playerMove)
				{
					case 1:
						dealt = whirling(playerBase);
						break;
					case 2:
						dealt = artery(playerBase, playerUsed);
						playerUsed++;
						break;
					case 3:
						dealt = vicious(playerBase, playerHP);
						break;
					default:
						printf("What did you do!? That's not an option!\n");
						break;
				}

				if(!((playerMove == 1) || (playerMove == 2) || (playerMove == 3)))
				{
					continue;
				}

				printf("You dealt %d damage to your opponent!\n", dealt);
				enemyHP = enemyHP - dealt;

				if(!(enemyHP > 0))
				{
					win = 0;
					continue;
				}

				printf("Your opponent now has %d HP!\n", enemyHP);
				printf("It is now your opponent's turn.\n");
				srand(time(NULL));
				enemyMove = rand() % 3;
				enemyMove++;

				switch(enemyMove)
				{
					case 1:
						dealt = whirling(enemyBase);
						printf("Your opponent attacked with Whirling Blades!\n");
						break;
					case 2:
						dealt = artery(enemyBase, enemyUsed);
						printf("Your opponent attacked with Artery Slice!\n");
						enemyUsed++;
						break;
					case 3:
						dealt = vicious(enemyBase, enemyHP);
						printf("Your opponent attacked with Vicious Blow!\n");
						break;
					default:
						printf("What did you do!? That's not an option you stupid machine!\n");
						printf("Your opponent attacked with ?!\n");
						break;
				}

				printf("Your opponent dealt %d damage on you!\n", dealt);
				playerHP = playerHP - dealt;

				if(!(playerHP > 0))
				{
					win = 1;
					continue;
				}

				printf("You now have %d HP!\n", playerHP);
				printline();
			}

			if(win == 0)
			{
				printf("You won! You are left with %d HP.\n", playerHP);
			}
			else if(win == 1)
			{
				printf("You lost! Your opponent is left with %d HP.\n", enemyHP);
			}
			else
			{
				printf("You shouldn't be seeing this message, if not something went terribly wrong.\n");
			}
		}
		else if((c == 'n') || (c == 'N'))
		{
			printf("Fine, be that way!\n");
		}
		else
		{
			printf("That's not an option!\n");
		}
	}
	printf("Goodbye!\n");
	return 0;
}

CombatSim2015.cpp

#include<iostream>
#include<cstdlib>
#include<ctime>
using namespace std;

void print_horizontal_line();
void move_list();
int whirling(int);
int artery(int, int);
int vicious(int, int);
int move_selection(int, int, int, int &);
void enemy_attack(int);
int random_gen();

int main()
{
	char choice = '\0';
	int playerHP = 1000, enemyHP = 1000;
	int playerBase = 100, enemyBase = 125;
	int playerMove = 0, enemyMove = 0;
	int playerUsed = 1, enemyUsed = 1;
	int damage_dealt = 0;
	bool win = false;

	cout << "*** Welcome to Combat Simulator 2015! ***" << endl;
	cout << "Would you like to start a battle? (y/n) ";
	cin >> choice;

	if(choice == 'y' || choice == 'Y')
	{
		print_horizontal_line();
		print_horizontal_line();
		print_horizontal_line();
		cout << "The battle begins!" << endl;
		cout << "You have " << playerBase << " base damage, ";
		cout << "and your opponent has " << enemyBase << " base damage." << endl;
		print_horizontal_line();

		while(playerHP > 0 && enemyHP > 0)
		{
			cout << "You have " << playerHP << " HP, ";
			cout << "and your opponent has " << enemyHP << " HP." << endl;
			print_horizontal_line();
			move_list();
			cout << "What is your next move? (1/2/3) ";
			cin >> playerMove;
			print_horizontal_line();
			
			damage_dealt = move_selection(playerMove, playerBase, playerHP, playerUsed);
			enemyHP -= damage_dealt;

			cout << "You dealt " << damage_dealt << " damage to your opponent!" << endl;

			if(enemyHP <= 0)
			{
				win = true;
				continue;
			}

			cout << "Your opponent now has " << enemyHP << " HP!" << endl;
			cout << "It is your opponent's turn." << endl;

			enemyMove = random_gen() % 3 + 1;
			damage_dealt = move_selection(enemyMove, enemyBase, enemyHP, enemyUsed);
			playerHP -= damage_dealt;

			enemy_attack(enemyMove);
			cout << "Your opponent dealt " << damage_dealt << " damage on you!" << endl;

			if(playerHP <= 0)
			{
				win = false;
				continue;
			}

			cout << "You now have " << playerHP << " HP!" << endl;
			print_horizontal_line();
		}

		if(win)
			cout << "You won! You are left with " << playerHP << " HP." << endl;
		else
			cout << "You lost! Your opponent is left with " << enemyHP << " HP." << endl;
		print_horizontal_line();
	}
	else if (choice == 'n' || choice == 'N')
		cout << "Goodbye!" << endl;
	else
		cout << "ERROR: Not a choice, must be (y/n)! Exiting..." << endl;

	return 0;
}

void print_horizontal_line()
{
	for (int x = 0; x < 80; x++)
		cout << "-";
	cout << endl;
}

void move_list()
{
	cout << "Pick an attack:" << endl;
	cout << "[1]: Whirling Blades (base damage + 10-65 additional damage)" << endl;
	cout << "[2]: Artery Slice (10% base damage + 20 additional damage)" << endl;
	cout << "			(20 additional damage for each time used)" << endl;
	cout << "[3]: Vicious Blow (2 * base damage - 2% attacker's HP)" << endl;
}

int whirling(int base)
{
	int add = 0;
	add = random_gen() % 56 + 10;

	return base + add;
}

int artery(int base, int used)
{
	int add1 = 0;
	int add2 = 0;
	add1 = base * 0.1;
	add2 = used * 20;

	return add1 + add2;
}

int vicious(int base, int hp)
{
	int add1 = 0;
	int add2 = 0;
	add1 = base * 2;
	add2 = hp * 0.02;

	return add1 - add2;
}

int move_selection(int move, int base, int hp, int &used)
{
	int dealt = 0;

	switch(move)
	{
		case 1:
			dealt = whirling(base);
			break;
		case 2:
			dealt = artery(base, used);
			used++;
			break;
		case 3:
			dealt = vicious(base, hp);
			break;
		default:
			cout << "ERROR: Not a move!" << endl;
	}

	return dealt;
}

void enemy_attack(int move)
{
	switch(move)
	{
		case 1:
			cout << "Your opponent attacked with Whirling Blades!" << endl;
			break;
		case 2:
			cout << "Your opponent attacked with Artery Slice!" << endl;
			break;
		case 3:
			cout << "Your opponent attacked with Vicious Blow!" << endl;
			break;
		default:
			cout << "Your opponent attacked with ?!" << endl;
	}
}

int random_gen()
{
	unsigned seed = time(0);
	srand(seed);

	return rand();
}