Game.cpp

#include <iostream>
#include <fstream>
#include <string>
#include <windows.h>
#include <conio.h>
#include <cstdlib>
#include <ctime>
#include <iomanip>

using namespace std;

#define MAX 10

struct Position
{
    int X;
    int Y;
}PlayerPos,WumpusPos,GoldPos,PitPos;

char Grid[MAX][MAX];
bool Visited[MAX][MAX];

int gridSize;

void printArt(string filename);
void printWorld();
void initialise(int hardnessLevel);
int getHardnessLevel();
void randomizeGameElements(int hardnessLevel);
void game();
void visit(int X , int Y , string *Message , bool *flag , int *score);
void devMode();
bool exiting();

int main()
{
    game();
}

void printArt(string filename)
{
    filename += ".txt";
    
    fstream newfile;

    newfile.open( filename , ios::in);

    if (newfile.is_open())
    {
        string tp;
        while (getline(newfile, tp))
        {
            cout << tp << "\n";
        }
        newfile.close();
    }

    char ch;
    getchar();
}


void initialise( int hardnessLevel )
{
    gridSize = 3 + hardnessLevel*2;

    for(int i = 0 ; i < gridSize ; i++)
    {
        for(int j = 0 ; j < gridSize ; j++)
        {
            Grid[i][j] = ' ';
        }
    }

    PlayerPos.X = gridSize-1;
    PlayerPos.Y = 0;

    randomizeGameElements(hardnessLevel);

    for(int i = 0 ; i < gridSize ; i++)
    {
        for( int j = 0 ; j < gridSize ; j++)
        {
            if(Grid[i][j] == 'W')
            {
                if( i < gridSize-1 )
                { Grid[ i + 1 ][j] = 'S'; }
                if( i > 0 )
                { Grid[ i - 1 ][j] = 'S'; }
                if( j < gridSize-1 )
                { Grid[i][ j + 1 ] = 'S'; }
                if( j > 0 )
                { Grid[i][ j - 1 ] = 'S'; }
            }
        }

        for( int j = 0 ; j < gridSize ; j++)
        {
            if(Grid[i][j] == 'P')
            {
                if( Grid[i+1][j] == 'S' )
                {
                    Grid[i+1][j] = '?';
                }
                else
                {
                    if( i < gridSize-1 )
                    { Grid[ i + 1 ][j] = 'B'; }
                }

                if( Grid[i-1][j] == 'S' )
                {
                    Grid[i-1][j] = '?';
                }
                else
                {
                    if( i > 0 )
                    { Grid[ i - 1 ][j] = 'B'; }
                }

                if( Grid[i][j+1] == 'S' )
                {
                    Grid[i][j+1] = '?';
                }
                else
                {
                    if( j < gridSize-1 )
                    { Grid[i][ j + 1 ] = 'B'; }
                }

                if( Grid[i][j-1] == 'S' )
                {
                    Grid[i][j-1] = '?';
                }
                else
                {
                    if( j > 0 )
                    { Grid[i][ j - 1 ] = 'B'; }
                }
            }
        }
    }

    for(int i = 0 ; i < gridSize ; i++)
    {
        for(int j = 0 ; j < gridSize ; j++)
        {
            Visited[i][j] = false;
        }
    }
    Visited[PlayerPos.X][PlayerPos.Y] = true;
}

int getHardnessLevel()
{
    cout << "\tChoose the hardness level:\n";
    cout << "\t1. Easy\n";
    cout << "\t2. Medium\n";
    cout << "\t3. Hard\n";
    
    int choice;
    cin >> choice;
    
    switch (choice)
    {
        case 1:
            cout << "\tYou selected Easy. In this mode, the game will be relatively easier.\n";
            return 1;
            
        case 2:
            cout << "\tYou selected Medium. In this mode, the game will have moderate difficulty.\n";
            return 2;
            
        case 3:
            cout << "\tYou selected Hard. In this mode, the game will be quite challenging.\n";
            return 3;
            
        default:
            cout << "\tInvalid choice. Please select a valid hardness level.\n";
            return getHardnessLevel();
    }
}

void randomizeGameElements(int hardnessLevel)
{
    srand(time(NULL));

    for (int i = 0; i < hardnessLevel; i++)
    {
        int x = rand() % gridSize-1;
        int y = rand() % gridSize-1;

        while (Grid[x][y] != ' ')
        {
            x = rand() % gridSize-1;
            y = rand() % gridSize-1;
        }

        PitPos.X = x;
        PitPos.Y = y;

        Grid[x][y] = 'P';
    }

    for (int i = 0; i < hardnessLevel; i++)
    {
        int x = rand() % gridSize-1;
        int y = rand() % gridSize-1;

        while (Grid[x][y] != ' ')
        {
            x = rand() % gridSize-1;
            y = rand() % gridSize-1;
        }
        
        WumpusPos.X = x;
        WumpusPos.Y = y;

        Grid[x][y] = 'W';
    }

    for (int i = 0; i < hardnessLevel; i++)
    {
        int x = rand() % gridSize-1;
        int y = rand() % gridSize-1;

        while (Grid[x][y] != ' ')
        {
            x = rand() % gridSize-1;
            y = rand() % gridSize-1;
        }

        GoldPos.X = x;
        GoldPos.Y = y;

        Grid[x][y] = 'G';
    }
}

void printWorld()
{
        cout << "\t --- " ;
        for(int i = 1 ; i < gridSize ; i++)
        { cout << "--- " ; }
        cout << endl;

        cout << "\t| " ; if(Visited[0][0] && PlayerPos.X == 0 && PlayerPos.Y == 0) { cout << '@'; } else if(Visited[0][0]) { cout << Grid[0][0]; } else { cout << "#"; }cout << " |" ;
        for(int i = 1 ; i < gridSize ; i++)
        { cout << " " ; if(Visited[0][i] && PlayerPos.X == 0 && PlayerPos.Y == i) { cout << '@'; } else if(Visited[0][i]) { cout << Grid[0][i]; } else { cout << "#"; }cout << " |" ; }
        cout << endl;

        cout << "\t --- " ;
        for(int i = 1 ; i < gridSize ; i++)
        { cout << "--- " ; }
        cout << endl;

    for(int j = 1 ; j < gridSize ; j++)
    {
        cout << "\t| " ; if(Visited[j][0] && PlayerPos.X == j && PlayerPos.Y == 0) { cout << '@'; } else if(Visited[j][0]) { cout << Grid[j][0]; } else { cout << "#"; }cout << " |" ;
        for(int i = 1 ; i < gridSize ; i++)
        { cout << " " ; if(Visited[j][i] && PlayerPos.X == j && PlayerPos.Y == i) { cout << '@'; } else if(Visited[j][i]) { cout << Grid[j][i]; } else { cout << "#"; }cout << " |" ; }
        cout << endl;

        cout << "\t --- " ;
        for(int i = 1 ; i < gridSize ; i++)
        { cout << "--- " ; }
        cout << endl;
    }
}

void game()
{
Restart:;

    string Message;
    bool flag = true;
    int Score = 0;

    HANDLE consoleHandle = GetStdHandle(STD_OUTPUT_HANDLE);

    CONSOLE_CURSOR_INFO cursorInfo;
    GetConsoleCursorInfo(consoleHandle, &cursorInfo);
    cursorInfo.bVisible = false;
    SetConsoleCursorInfo(consoleHandle, &cursorInfo);
		
    printArt("TitleScreen");
    printArt("Instructions");

    int hardnessLevel = getHardnessLevel();

    initialise(hardnessLevel);

    while(flag)
    {
        system("cls");

        printWorld();
        
        cout << "\n\tScore : " << Score << endl ;
        cout << Message;

        Position NextPos = PlayerPos;

        char key = _getch();
            
        switch(key)
        {
            case 80 :
                    NextPos.X++;
                    Score -= 1;
                    break;
            case 72 :
                    NextPos.X--;
                    Score -= 1;
                    break;
            case 77 :
                    NextPos.Y++;
                    Score -= 1;
                    break;
            case 75 :
                    NextPos.Y--;
                    Score -= 1;
                    break;
            case 104 :
                    devMode();
                    break;
            case 113 :
                    flag = false;
                    break;
        }

        Message.clear();

        visit( NextPos.X , NextPos.Y , &Message , &flag , &Score);
    }

    if( exiting() )
    { goto Restart ;} 
}


void visit(int X , int Y , string *Message , bool *flag , int *Score)
{
    if( X < 0 || X > gridSize-1 || Y < 0 || Y > gridSize-1)
    {
        return;
    }
    else if( Grid[X][Y] == 'W')
    {
        printArt("Wumpus");
        *flag = false;
    }
    else if( Grid[X][Y] == 'P')
    {
        printArt("Pit");
        *flag = false;
    }
    else if( Grid[X][Y] == 'S')
    {
        *Message = "You Sense a Stench in the air. The WUMPUS is nearby";
    }
    else if( Grid[X][Y] == 'B')
    {
        *Message = "You Sense a Cold Breeze. There is a PIT Nearby";
    }
    else if( Grid[X][Y] == '?')
    {
        *Message = "You Sense a Stench in the air. The WUMPUS is nearby\nYou Sense a Cold Breeze. There is a PIT Nearby";
    }
    else if( Grid[X][Y] == 'G')
    {
        *Score += 100;
        *flag = false;
        printArt("Gold");
    }
 
    PlayerPos.X = X ; PlayerPos.Y = Y ;
    Visited[X][Y] = true;
}

void devMode()
{
    for(int i = 0 ; i < gridSize ; i++)
    {
        for(int j = 0 ; j < gridSize ; j++)
        {
            Visited[i][j] = true;
        }
    }
}

bool exiting()
{
start:

    cout << "\n\n Thank you for Playing the Game \n" ;

    char answer;

    cout << "\nDo you want to Play Again (Y/N) : " ;
    cin >> answer ;

    switch (answer)
    {
    case 'y':
    case 'Y':
            return true;
            break;

    case 'n':
    case 'N':
            return false;
            break;

    default:
            cout << "\nYou did not respond correctly...\n" ;
            goto start;
            break;
    }
}