Functions.h

#pragma once

#include <iostream>
#include <Windows.h>
#include <string>
#include <cstdlib>
#include <ctime>
#include <vector>
#include <string>
#include <conio.h>
#include <stdio.h>

using namespace std;

void BuyScreen(int& Damage, int& Gold, int& Health, int& Range);
void CheckChoice(char& choice, int& Damage, int& Gold, int& Health, int& Range);

bool Win;

const int Zero = { 0x30 };
const int One = { 0x31 };
const int Two = { 0x32 };
const int Three = { 0x33 };

const int B = { 0x42 };

const int W = { 0x57 };
const int A = { 0x41 };
const int S = { 0x53 };
const int D = { 0x44 };

const int U = { 0x55 };
const int H = { 0x48 };
const int J = { 0x4A };
const int K = { 0x4B };

const char Wall = '#';
const char Ground = ' ';
const char Goal = '?';
const int Length = 20;
const int Height = 20;
char board[Height][Length] = { {'#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#'}, //0
                               {'#', ' ', '#', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '#', ' ', ' ', ' ', ' ', '#'}, //1
                               {'#', ' ', '#', ' ', '#', '#', '#', '#', ' ', '#', '#', '#', '#', ' ', '#', ' ', '#', '#', ' ', '#'}, //2
                               {'#', ' ', '#', ' ', '#', ' ', ' ', ' ', ' ', '#', ' ', ' ', '#', ' ', '#', ' ', ' ', '#', ' ', '#'}, //3
                               {'#', ' ', '#', ' ', '#', ' ', '#', '#', '#', '#', ' ', ' ', '#', ' ', '#', '#', '#', '#', ' ', '#'}, //4
                               {'#', ' ', '#', '#', '#', ' ', '#', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '#'}, //5
                               {'#', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '#', '#', '#', '#', '#', ' ', '#', '#', '#', '#', '#', '#'}, //6
                               {'#', ' ', '#', '#', '#', '#', '#', ' ', '#', ' ', ' ', ' ', '#', ' ', ' ', ' ', ' ', ' ', ' ', '#'}, //7
                               {'#', ' ', '#', ' ', ' ', ' ', ' ', ' ', '#', ' ', '#', ' ', '#', ' ', '#', ' ', '#', ' ', ' ', '#'}, //8
                               {'#', ' ', '#', '#', '#', '#', '#', '#', '#', ' ', '#', ' ', '#', ' ', '#', ' ', '#', ' ', ' ', '#'}, //9
                               {'#', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '#', ' ', '#', ' ', '#', ' ', ' ', ' ', ' ', '#'}, //10
                               {'#', '#', '#', ' ', '#', '#', '#', '#', '#', ' ', '#', ' ', '#', ' ', '#', ' ', '#', '#', ' ', '#'}, //11
                               {'#', ' ', ' ', ' ', '#', ' ', ' ', ' ', ' ', ' ', '#', ' ', '#', ' ', '#', ' ', ' ', '#', ' ', '#'}, //12
                               {'#', ' ', '#', '#', '#', ' ', '#', '#', '#', ' ', '#', ' ', '#', ' ', '#', '#', ' ', '#', ' ', '#'}, //13
                               {'#', ' ', '#', ' ', ' ', ' ', '#', ' ', '#', ' ', '#', ' ', '#', ' ', ' ', '#', ' ', '#', ' ', '#'}, //14
                               {'#', ' ', '#', ' ', '#', ' ', '#', ' ', '#', ' ', '#', ' ', '#', '#', ' ', '#', ' ', '#', ' ', '#'}, //15
                               {'#', ' ', ' ', ' ', '#', ' ', '#', ' ', '#', ' ', '#', ' ', ' ', '#', ' ', '#', ' ', '#', ' ', '#'}, //16
                               {'#', ' ', '#', '#', '#', ' ', '#', ' ', '#', ' ', '#', '#', ' ', '#', '#', '#', ' ', '#', ' ', '#'}, //17
                               {'#', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '#', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', '?', '#'}, //18
                               {'#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#', '#'}};//19
//                               0    1    2    3    4    5    6    7    8    9    10   11   12   13   14   15   16   17   18   19

void ShowBoard()
{
    for (int i = 0; i < Height; i++)
    {
        for (int j = 0; j < Length; j++)
        {
            cout << board[i][j];
        }
        cout << endl;
    }
}

void ClearScreen()
{
    HANDLE hStdOut;
    CONSOLE_SCREEN_BUFFER_INFO csbi;
    DWORD count;
    DWORD cellCount;
    COORD homeCoords = { 0, 0 };

    hStdOut = GetStdHandle( STD_OUTPUT_HANDLE );

    if (hStdOut == INVALID_HANDLE_VALUE)
        return;

    /* Get the number of cells in the current buffer */
    if (!GetConsoleScreenBufferInfo( hStdOut, &csbi ))
        return;

    cellCount = csbi.dwSize.X *csbi.dwSize.Y;

    /* Fill the entire buffer with spaces */
    if (!FillConsoleOutputCharacter(hStdOut, (TCHAR) ' ', cellCount, homeCoords, &count))
        return;

    /* Fill the entire buffer with the current colors and attributes */
    if (!FillConsoleOutputAttribute(hStdOut, csbi.wAttributes, cellCount, homeCoords, &count))
        return;

    /* Move the cursor home */
    SetConsoleCursorPosition( hStdOut, homeCoords );
}

void BuyScreen(int& Damage, int& Gold, int& Health, int& Range)
{
    bool Invalid = true;
    bool Choosing;

    while (Invalid)
    {
        int hPotionCost = 5 * Health;
        int damageUpCost = Damage * 1000;
        int rangeUpCost = Range * 1500;
        ClearScreen();
        int BuyChoice;
        cout << "You have " << Gold << " gold and " << Health << " health.\n\n";
        cout << "What would you like to buy?\n";
        cout << "\n0 - Healing Potion - " << hPotionCost << " Gold";
        cout << "\n1 - Damage Up - " << damageUpCost << " Gold";
        cout << "\n2 - Range Up - " << rangeUpCost << " Gold";
        cout << "\n3 - Exit - 0 Gold\n\n";

        Choosing = true;

        Sleep(50);

        while (Choosing)
        {
            //Buy a healing potion

            if (GetAsyncKeyState(Zero))
            {
                BuyChoice = 0;
                Choosing = false;
            }

            //Damage Up

            if (GetAsyncKeyState(One))
            {
                BuyChoice = 1;
                Choosing = false;
            }

            //Range Up

            if (GetAsyncKeyState(Two))
            {
                BuyChoice = 2;
                Choosing = false;
            }

            //Exit

            if (GetAsyncKeyState(Three))
            {
                BuyChoice = 3;
                Choosing = false;
            }
        }

        switch (BuyChoice)
        {
        case 0:
            if (Gold < hPotionCost)
            {
                cout << "\nYou don't have enough gold for that!\n";
                Invalid = true;
                system("PAUSE");

                continue;
            }

            else
            {
                cout << "\nYou feel very refreshed!\n";
                Health += 10;
                Gold -= hPotionCost;
                system("PAUSE");

                if (Health > 100)
                    Health = 100;

                break;
            }

        case 1:
            if (Gold < damageUpCost)
            {
                cout << "\nYou don't have enough gold for that!\n";
                Invalid = true;
                system("PAUSE");

                continue;
            }

            else
            {
                cout << "\nYour muscles grow!\n";
                Damage += 1;
                Gold -= damageUpCost;
                system("PAUSE");

                break;
            }

            case 2:
            if (Gold < rangeUpCost)
            {
                cout << "\nYou don't have enough gold for that!\n";
                Invalid = true;
                system("PAUSE");

                continue;
            }

            else
            {
                cout << "\nYour arms are like warm rubber!\n";
                Range += 1;
                Gold -= rangeUpCost;
                system("PAUSE");

                break;
            }

        case 3:
            cout << "\nVisit again soon!\n";
            Invalid = false;
            system("PAUSE");

            break;

        default:
            cout << "\nInvalid Choice!\n";
            system("PAUSE");
            continue;
        }
    }
}